Keying Screen node from tomato branch
[blender.git] / source / blender / editors / space_node / drawnode.c
1 /*
2  * ***** BEGIN GPL LICENSE BLOCK *****
3  *
4  * This program is free software; you can redistribute it and/or
5  * modify it under the terms of the GNU General Public License
6  * as published by the Free Software Foundation; either version 2
7  * of the License, or (at your option) any later version. 
8  *
9  * This program is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12  * GNU General Public License for more details.
13  *
14  * You should have received a copy of the GNU General Public License
15  * along with this program; if not, write to the Free Software Foundation,
16  * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
17  *
18  * The Original Code is Copyright (C) 2005 Blender Foundation.
19  * All rights reserved.
20  *
21  * The Original Code is: all of this file.
22  *
23  * Contributor(s): David Millan Escriva, Juho Vepsäläinen, Bob Holcomb, Thomas Dinges
24  *
25  * ***** END GPL LICENSE BLOCK *****
26  */
27
28 /** \file blender/editors/space_node/drawnode.c
29  *  \ingroup spnode
30  */
31
32
33 #include <math.h>
34 #include <stdio.h>
35 #include <string.h>
36
37 #include "BLI_blenlib.h"
38 #include "BLI_math.h"
39 #include "BLI_utildefines.h"
40
41 #include "DNA_node_types.h"
42 #include "DNA_material_types.h"
43 #include "DNA_object_types.h"
44 #include "DNA_scene_types.h"
45 #include "DNA_space_types.h"
46 #include "DNA_screen_types.h"
47
48 #include "BKE_context.h"
49 #include "BKE_curve.h"
50 #include "BKE_global.h"
51 #include "BKE_image.h"
52 #include "BKE_library.h"
53 #include "BKE_main.h"
54 #include "BKE_node.h"
55
56 #include "BLF_api.h"
57 #include "BLF_translation.h"
58
59 #include "NOD_composite.h"
60 #include "NOD_shader.h"
61
62 #include "BIF_gl.h"
63 #include "BIF_glutil.h"
64
65 #include "BLF_api.h"
66
67 #include "MEM_guardedalloc.h"
68
69
70 #include "RNA_access.h"
71
72 #include "ED_node.h"
73
74 #include "WM_api.h"
75 #include "WM_types.h"
76
77 #include "UI_interface.h"
78 #include "UI_resources.h"
79
80 #include "IMB_imbuf.h"
81 #include "IMB_imbuf_types.h"
82
83 #include "node_intern.h"
84
85 // XXX interface.h
86 extern void ui_dropshadow(rctf *rct, float radius, float aspect, float alpha, int select);
87
88 /* ****************** SOCKET BUTTON DRAW FUNCTIONS ***************** */
89
90 static void node_sync_cb(bContext *UNUSED(C), void *snode_v, void *node_v)
91 {
92         SpaceNode *snode = snode_v;
93         
94         if (snode->treetype == NTREE_SHADER) {
95                 nodeShaderSynchronizeID(node_v, 1);
96                 // allqueue(REDRAWBUTSSHADING, 0);
97         }
98 }
99
100 static void node_socket_button_label(const bContext *UNUSED(C), uiBlock *block,
101                                      bNodeTree *UNUSED(ntree), bNode *UNUSED(node), bNodeSocket *sock,
102                                      const char *UNUSED(name), int x, int y, int width)
103 {
104         uiDefBut(block, LABEL, 0, IFACE_(sock->name), x, y, width, NODE_DY, NULL, 0, 0, 0, 0, "");
105 }
106
107 static void node_socket_button_default(const bContext *C, uiBlock *block,
108                                        bNodeTree *ntree, bNode *node, bNodeSocket *sock,
109                                        const char *name, int x, int y, int width)
110 {
111         if (sock->link || (sock->flag & SOCK_HIDE_VALUE))
112                 node_socket_button_label(C, block, ntree, node, sock, name, x, y, width);
113         else {
114                 PointerRNA ptr;
115                 uiBut *bt;
116                 
117                 RNA_pointer_create(&ntree->id, &RNA_NodeSocket, sock, &ptr);
118                 
119                 bt = uiDefButR(block, NUM, B_NODE_EXEC, IFACE_(name),
120                                x, y + 1, width, NODE_DY - 2,
121                                &ptr, "default_value", 0, 0, 0, -1, -1, NULL);
122                 if (node)
123                         uiButSetFunc(bt, node_sync_cb, CTX_wm_space_node(C), node);
124         }
125 }
126
127 typedef struct SocketComponentMenuArgs {
128         PointerRNA ptr;
129         int x, y, width;
130         uiButHandleFunc cb;
131         void *arg1, *arg2;
132 } SocketComponentMenuArgs;
133 /* NOTE: this is a block-menu, needs 0 events, otherwise the menu closes */
134 static uiBlock *socket_component_menu(bContext *C, ARegion *ar, void *args_v)
135 {
136         SocketComponentMenuArgs *args = (SocketComponentMenuArgs *)args_v;
137         uiBlock *block;
138         uiLayout *layout;
139         
140         block = uiBeginBlock(C, ar, __func__, UI_EMBOSS);
141         uiBlockSetFlag(block, UI_BLOCK_KEEP_OPEN);
142         
143         layout = uiLayoutColumn(uiBlockLayout(block, UI_LAYOUT_VERTICAL, UI_LAYOUT_PANEL, args->x, args->y + 2, args->width, NODE_DY, UI_GetStyle()), 0);
144         
145         uiItemR(layout, &args->ptr, "default_value", UI_ITEM_R_EXPAND, "", ICON_NONE);
146         
147         return block;
148 }
149 static void node_socket_button_components(const bContext *C, uiBlock *block,
150                                           bNodeTree *ntree, bNode *node, bNodeSocket *sock,
151                                           const char *name, int x, int y, int width)
152 {
153         if (sock->link || (sock->flag & SOCK_HIDE_VALUE))
154                 node_socket_button_label(C, block, ntree, node, sock, name, x, y, width);
155         else {
156                 PointerRNA ptr;
157                 SocketComponentMenuArgs *args;
158                 
159                 RNA_pointer_create(&ntree->id, &RNA_NodeSocket, sock, &ptr);
160                 
161                 args = MEM_callocN(sizeof(SocketComponentMenuArgs), "SocketComponentMenuArgs");
162                 
163                 args->ptr = ptr;
164                 args->x = x;
165                 args->y = y;
166                 args->width = width;
167                 args->cb = node_sync_cb;
168                 args->arg1 = CTX_wm_space_node(C);
169                 args->arg2 = node;
170                 
171                 uiDefBlockButN(block, socket_component_menu, args, IFACE_(name), x, y + 1, width, NODE_DY - 2, "");
172         }
173 }
174
175 static void node_socket_button_color(const bContext *C, uiBlock *block,
176                                      bNodeTree *ntree, bNode *node, bNodeSocket *sock,
177                                      const char *name, int x, int y, int width)
178 {
179         if (sock->link || (sock->flag & SOCK_HIDE_VALUE))
180                 node_socket_button_label(C, block, ntree, node, sock, IFACE_(name), x, y, width);
181         else {
182                 PointerRNA ptr;
183                 uiBut *bt;
184                 int labelw = width - 40;
185                 RNA_pointer_create(&ntree->id, &RNA_NodeSocket, sock, &ptr);
186                 
187                 bt = uiDefButR(block, COL, B_NODE_EXEC, "",
188                                x, y + 2, (labelw > 0 ? 40 : width), NODE_DY - 2,
189                                &ptr, "default_value", 0, 0, 0, -1, -1, NULL);
190                 if (node)
191                         uiButSetFunc(bt, node_sync_cb, CTX_wm_space_node(C), node);
192                 
193                 if (name[0] != '\0' && labelw > 0)
194                         uiDefBut(block, LABEL, 0, IFACE_(name), x + 40, y + 2, labelw, NODE_DY - 2, NULL, 0, 0, 0, 0, "");
195         }
196 }
197
198 /* standard draw function, display the default input value */
199 static void node_draw_input_default(const bContext *C, uiBlock *block,
200                                     bNodeTree *ntree, bNode *node, bNodeSocket *sock,
201                                     const char *name, int x, int y, int width)
202 {
203         bNodeSocketType *stype = ntreeGetSocketType(sock->type);
204         if (stype->buttonfunc)
205                 stype->buttonfunc(C, block, ntree, node, sock, name, x, y, width);
206         else
207                 node_socket_button_label(C, block, ntree, node, sock, IFACE_(name), x, y, width);
208 }
209
210 static void node_draw_output_default(const bContext *C, uiBlock *block,
211                                      bNodeTree *UNUSED(ntree), bNode *node, bNodeSocket *sock,
212                                      const char *name, int UNUSED(x), int UNUSED(y), int UNUSED(width))
213 {
214         SpaceNode *snode = CTX_wm_space_node(C);
215         float slen;
216         int ofs = 0;
217         const char *ui_name = IFACE_(name);
218         UI_ThemeColor(TH_TEXT);
219         slen = snode->aspect * UI_GetStringWidth(ui_name);
220         while (slen > node->width) {
221                 ofs++;
222                 slen = snode->aspect * UI_GetStringWidth(ui_name + ofs);
223         }
224         uiDefBut(block, LABEL, 0, ui_name + ofs, (short)(sock->locx - 15.0f - slen), (short)(sock->locy - 9.0f),
225                  (short)(node->width - NODE_DY), NODE_DY,  NULL, 0, 0, 0, 0, "");
226 }
227
228 /* ****************** BASE DRAW FUNCTIONS FOR NEW OPERATOR NODES ***************** */
229
230 #if 0 /* UNUSED */
231 static void node_draw_socket_new(bNodeSocket *sock, float size)
232 {
233         float x = sock->locx, y = sock->locy;
234         
235         /* 16 values of sin function */
236         static float si[16] = {
237                 0.00000000f, 0.39435585f, 0.72479278f, 0.93775213f,
238                 0.99871650f, 0.89780453f, 0.65137248f, 0.29936312f,
239                 -0.10116832f, -0.48530196f, -0.79077573f, -0.96807711f,
240                 -0.98846832f, -0.84864425f, -0.57126821f, -0.20129852f
241         };
242         /* 16 values of cos function */
243         static float co[16] = {
244                 1.00000000f, 0.91895781f, 0.68896691f, 0.34730525f,
245                 -0.05064916f, -0.44039415f, -0.75875812f, -0.95413925f,
246                 -0.99486932f, -0.87434661f, -0.61210598f, -0.25065253f,
247                 0.15142777f, 0.52896401f, 0.82076344f, 0.97952994f,
248         };
249         int a;
250         
251         glColor3ub(180, 180, 180);
252         
253         glBegin(GL_POLYGON);
254         for (a = 0; a < 16; a++)
255                 glVertex2f(x + size * si[a], y + size * co[a]);
256         glEnd();
257         
258         glColor4ub(0, 0, 0, 150);
259         glEnable(GL_BLEND);
260         glEnable(GL_LINE_SMOOTH);
261         glBegin(GL_LINE_LOOP);
262         for (a = 0; a < 16; a++)
263                 glVertex2f(x + size * si[a], y + size * co[a]);
264         glEnd();
265         glDisable(GL_LINE_SMOOTH);
266         glDisable(GL_BLEND);
267 }
268 #endif
269
270 /* ****************** BUTTON CALLBACKS FOR ALL TREES ***************** */
271
272 static void node_buts_value(uiLayout *layout, bContext *UNUSED(C), PointerRNA *ptr)
273 {
274         PointerRNA sockptr;
275         PropertyRNA *prop;
276         
277         /* first socket stores value */
278         prop = RNA_struct_find_property(ptr, "outputs");
279         RNA_property_collection_lookup_int(ptr, prop, 0, &sockptr);
280         
281         uiItemR(layout, &sockptr, "default_value", 0, "", ICON_NONE);
282 }
283
284 static void node_buts_rgb(uiLayout *layout, bContext *UNUSED(C), PointerRNA *ptr)
285 {
286         uiLayout *col;
287         PointerRNA sockptr;
288         PropertyRNA *prop;
289         
290         /* first socket stores value */
291         prop = RNA_struct_find_property(ptr, "outputs");
292         RNA_property_collection_lookup_int(ptr, prop, 0, &sockptr);
293         
294         col = uiLayoutColumn(layout, 0);
295         uiTemplateColorWheel(col, &sockptr, "default_value", 1, 0, 0, 0);
296         uiItemR(col, &sockptr, "default_value", 0, "", ICON_NONE);
297 }
298
299 static void node_buts_mix_rgb(uiLayout *layout, bContext *UNUSED(C), PointerRNA *ptr)
300 {       
301         uiLayout *row;
302
303         bNodeTree *ntree = (bNodeTree *)ptr->id.data;
304
305         row = uiLayoutRow(layout, 1);
306         uiItemR(row, ptr, "blend_type", 0, "", ICON_NONE);
307         if (ntree->type == NTREE_COMPOSIT)
308                 uiItemR(row, ptr, "use_alpha", 0, "", ICON_IMAGE_RGB_ALPHA);
309 }
310
311 static void node_buts_time(uiLayout *layout, bContext *UNUSED(C), PointerRNA *ptr)
312 {
313         uiLayout *row;
314 #if 0
315         /* XXX no context access here .. */
316         bNode *node = ptr->data;
317         CurveMapping *cumap = node->storage;
318         
319         if (cumap) {
320                 cumap->flag |= CUMA_DRAW_CFRA;
321                 if (node->custom1 < node->custom2)
322                         cumap->sample[0] = (float)(CFRA - node->custom1) / (float)(node->custom2 - node->custom1);
323         }
324 #endif
325
326         uiTemplateCurveMapping(layout, ptr, "curve", 's', 0, 0);
327
328         row = uiLayoutRow(layout, 1);
329         uiItemR(row, ptr, "frame_start", 0, IFACE_("Sta"), ICON_NONE);
330         uiItemR(row, ptr, "frame_end", 0, IFACE_("End"), ICON_NONE);
331 }
332
333 static void node_buts_colorramp(uiLayout *layout, bContext *UNUSED(C), PointerRNA *ptr)
334 {
335         uiTemplateColorRamp(layout, ptr, "color_ramp", 0);
336 }
337
338 static void node_buts_curvevec(uiLayout *layout, bContext *UNUSED(C), PointerRNA *ptr)
339 {
340         uiTemplateCurveMapping(layout, ptr, "mapping", 'v', 0, 0);
341 }
342
343 static float *_sample_col = NULL;    // bad bad, 2.5 will do better?
344 #if 0
345 static void node_curvemap_sample(float *col)
346 {
347         _sample_col = col;
348 }
349 #endif
350
351 static void node_buts_curvecol(uiLayout *layout, bContext *UNUSED(C), PointerRNA *ptr)
352 {
353         bNode *node = ptr->data;
354         CurveMapping *cumap = node->storage;
355
356         if (_sample_col) {
357                 cumap->flag |= CUMA_DRAW_SAMPLE;
358                 copy_v3_v3(cumap->sample, _sample_col);
359         }
360         else 
361                 cumap->flag &= ~CUMA_DRAW_SAMPLE;
362
363         uiTemplateCurveMapping(layout, ptr, "mapping", 'c', 0, 0);
364 }
365
366 static void node_normal_cb(bContext *C, void *ntree_v, void *node_v)
367 {
368         Main *bmain = CTX_data_main(C);
369
370         ED_node_generic_update(bmain, ntree_v, node_v);
371         WM_event_add_notifier(C, NC_NODE | NA_EDITED, ntree_v);
372 }
373
374 static void node_buts_normal(uiLayout *layout, bContext *UNUSED(C), PointerRNA *ptr)
375 {
376         uiBlock *block = uiLayoutAbsoluteBlock(layout);
377         bNodeTree *ntree = ptr->id.data;
378         bNode *node = ptr->data;
379         rctf *butr = &node->butr;
380         bNodeSocket *sock = node->outputs.first;     /* first socket stores normal */
381         float *nor = ((bNodeSocketValueVector *)sock->default_value)->value;
382         uiBut *bt;
383         
384         bt = uiDefButF(block, BUT_NORMAL, B_NODE_EXEC, "",
385                        (short)butr->xmin, (short)butr->xmin,
386                        butr->xmax - butr->xmin, butr->xmax - butr->xmin,
387                        nor, 0.0f, 1.0f, 0, 0, "");
388         uiButSetFunc(bt, node_normal_cb, ntree, node);
389 }
390 #if 0 // not used in 2.5x yet
391 static void node_browse_tex_cb(bContext *C, void *ntree_v, void *node_v)
392 {
393         Main *bmain = CTX_data_main(C);
394         bNodeTree *ntree = ntree_v;
395         bNode *node = node_v;
396         Tex *tex;
397         
398         if (node->menunr < 1) return;
399         
400         if (node->id) {
401                 node->id->us--;
402                 node->id = NULL;
403         }
404         tex = BLI_findlink(&bmain->tex, node->menunr - 1);
405
406         node->id = &tex->id;
407         id_us_plus(node->id);
408         BLI_strncpy(node->name, node->id->name + 2, sizeof(node->name));
409         
410         nodeSetActive(ntree, node);
411         
412         if (ntree->type == NTREE_TEXTURE)
413                 ntreeTexCheckCyclics(ntree);
414         
415         // allqueue(REDRAWBUTSSHADING, 0);
416         // allqueue(REDRAWNODE, 0);
417         NodeTagChanged(ntree, node); 
418         
419         node->menunr = 0;
420 }
421 #endif
422
423 static void node_buts_texture(uiLayout *layout, bContext *UNUSED(C), PointerRNA *ptr)
424 {
425         bNode *node = ptr->data;
426
427         short multi = (
428             node->id &&
429             ((Tex *)node->id)->use_nodes &&
430             (node->type != CMP_NODE_TEXTURE) &&
431             (node->type != TEX_NODE_TEXTURE)
432             );
433         
434         uiItemR(layout, ptr, "texture", 0, "", ICON_NONE);
435         
436         if (multi) {
437                 /* Number Drawing not optimal here, better have a list*/
438                 uiItemR(layout, ptr, "node_output", 0, "", ICON_NONE);
439         }
440 }
441
442 static void node_buts_math(uiLayout *layout, bContext *UNUSED(C), PointerRNA *ptr)
443
444         uiItemR(layout, ptr, "operation", 0, "", ICON_NONE);
445 }
446
447 static int node_resize_area_default(bNode *node, int x, int y)
448 {
449         if (node->flag & NODE_HIDDEN) {
450                 rctf totr = node->totr;
451                 /* right part of node */
452                 totr.xmin = node->totr.xmax - 20.0f;
453                 if (BLI_in_rctf(&totr, x, y))
454                         return NODE_RESIZE_RIGHT;
455                 else
456                         return 0;
457         }
458         else {
459                 const float size = 10.0f;
460                 rctf totr = node->totr;
461                 int dir = 0;
462                 
463                 if (x >= totr.xmax - size && x < totr.xmax && y >= totr.ymin && y < totr.ymax)
464                         dir |= NODE_RESIZE_RIGHT;
465                 if (x >= totr.xmin && x < totr.xmin + size && y >= totr.ymin && y < totr.ymax)
466                         dir |= NODE_RESIZE_LEFT;
467                 return dir;
468         }
469 }
470
471 /* ****************** BUTTON CALLBACKS FOR COMMON NODES ***************** */
472
473 /* width of socket columns in group display */
474 #define NODE_GROUP_FRAME        120
475
476 /* based on settings in node, sets drawing rect info. each redraw! */
477 /* note: this assumes only 1 group at a time is drawn (linked data) */
478 /* in node->totr the entire boundbox for the group is stored */
479 static void node_update_group(const bContext *C, bNodeTree *ntree, bNode *gnode)
480 {
481         if (!(gnode->flag & NODE_GROUP_EDIT)) {
482                 node_update_default(C, ntree, gnode);
483         }
484         else {
485                 bNodeTree *ngroup = (bNodeTree *)gnode->id;
486                 bNode *node;
487                 bNodeSocket *sock, *gsock;
488                 float locx, locy;
489                 rctf *rect = &gnode->totr;
490                 float node_group_frame = U.dpi * NODE_GROUP_FRAME / 72;
491                 float group_header = 26 * U.dpi / 72;
492                 int counter;
493                 int dy;
494                 
495                 /* get "global" coords */
496                 nodeToView(gnode, 0.0f, 0.0f, &locx, &locy);
497                 
498                 /* center them, is a bit of abuse of locx and locy though */
499                 node_update_nodetree(C, ngroup, locx, locy);
500                 
501                 rect->xmin = rect->xmax = locx;
502                 rect->ymin = rect->ymax = locy;
503                 
504                 counter = 1;
505                 for (node = ngroup->nodes.first; node; node = node->next) {
506                         if (counter) {
507                                 *rect = node->totr;
508                                 counter = 0;
509                         }
510                         else
511                                 BLI_union_rctf(rect, &node->totr);
512                 }
513                 
514                 /* add some room for links to group sockets */
515                 rect->xmin -= 4 * NODE_DY;
516                 rect->xmax += 4 * NODE_DY;
517                 rect->ymin -= NODE_DY;
518                 rect->ymax += NODE_DY;
519                 
520                 /* input sockets */
521                 dy = 0.5f * (rect->ymin + rect->ymax) + NODE_DY * (BLI_countlist(&gnode->inputs) - 1);
522                 gsock = ngroup->inputs.first;
523                 sock = gnode->inputs.first;
524                 while (gsock || sock) {
525                         while (sock && !sock->groupsock) {
526                                 sock->locx = rect->xmin - node_group_frame;
527                                 sock->locy = dy;
528
529                                 /* prevent long socket lists from growing out of the group box */
530                                 if (dy - 3 * NODE_DYS < rect->ymin)
531                                         rect->ymin = dy - 3 * NODE_DYS;
532                                 if (dy + 3 * NODE_DYS > rect->ymax)
533                                         rect->ymax = dy + 3 * NODE_DYS;
534                                 dy -= 2 * NODE_DY;
535                                 
536                                 sock = sock->next;
537                         }
538                         while (gsock && (!sock || sock->groupsock != gsock)) {
539                                 gsock->locx = rect->xmin;
540                                 gsock->locy = dy;
541                                 
542                                 /* prevent long socket lists from growing out of the group box */
543                                 if (dy - 3 * NODE_DYS < rect->ymin)
544                                         rect->ymin = dy - 3 * NODE_DYS;
545                                 if (dy + 3 * NODE_DYS > rect->ymax)
546                                         rect->ymax = dy + 3 * NODE_DYS;
547                                 dy -= 2 * NODE_DY;
548                                 
549                                 gsock = gsock->next;
550                         }
551                         while (sock && gsock && sock->groupsock == gsock) {
552                                 gsock->locx = rect->xmin;
553                                 sock->locx = rect->xmin - node_group_frame;
554                                 sock->locy = gsock->locy = dy;
555                                 
556                                 /* prevent long socket lists from growing out of the group box */
557                                 if (dy - 3 * NODE_DYS < rect->ymin)
558                                         rect->ymin = dy - 3 * NODE_DYS;
559                                 if (dy + 3 * NODE_DYS > rect->ymax)
560                                         rect->ymax = dy + 3 * NODE_DYS;
561                                 dy -= 2 * NODE_DY;
562                                 
563                                 sock = sock->next;
564                                 gsock = gsock->next;
565                         }
566                 }
567                 
568                 /* output sockets */
569                 dy = 0.5f * (rect->ymin + rect->ymax) + NODE_DY * (BLI_countlist(&gnode->outputs) - 1);
570                 gsock = ngroup->outputs.first;
571                 sock = gnode->outputs.first;
572                 while (gsock || sock) {
573                         while (sock && !sock->groupsock) {
574                                 sock->locx = rect->xmax + node_group_frame;
575                                 sock->locy = dy - NODE_DYS;
576                                 
577                                 /* prevent long socket lists from growing out of the group box */
578                                 if (dy - 3 * NODE_DYS < rect->ymin)
579                                         rect->ymin = dy - 3 * NODE_DYS;
580                                 if (dy + 3 * NODE_DYS > rect->ymax)
581                                         rect->ymax = dy + 3 * NODE_DYS;
582                                 dy -= 2 * NODE_DY;
583                                 
584                                 sock = sock->next;
585                         }
586                         while (gsock && (!sock || sock->groupsock != gsock)) {
587                                 gsock->locx = rect->xmax;
588                                 gsock->locy = dy - NODE_DYS;
589                                 
590                                 /* prevent long socket lists from growing out of the group box */
591                                 if (dy - 3 * NODE_DYS < rect->ymin)
592                                         rect->ymin = dy - 3 * NODE_DYS;
593                                 if (dy + 3 * NODE_DYS > rect->ymax)
594                                         rect->ymax = dy + 3 * NODE_DYS;
595                                 dy -= 2 * NODE_DY;
596                                 
597                                 gsock = gsock->next;
598                         }
599                         while (sock && gsock && sock->groupsock == gsock) {
600                                 gsock->locx = rect->xmax;
601                                 sock->locx = rect->xmax + node_group_frame;
602                                 sock->locy = gsock->locy = dy - NODE_DYS;
603                                 
604                                 /* prevent long socket lists from growing out of the group box */
605                                 if (dy - 3 * NODE_DYS < rect->ymin)
606                                         rect->ymin = dy - 3 * NODE_DYS;
607                                 if (dy + 3 * NODE_DYS > rect->ymax)
608                                         rect->ymax = dy + 3 * NODE_DYS;
609                                 dy -= 2 * NODE_DY;
610                                 
611                                 sock = sock->next;
612                                 gsock = gsock->next;
613                         }
614                 }
615                 
616                 /* Set the block bounds to clip mouse events from underlying nodes.
617                  * Add margin for header and input/output columns.
618                  */
619                 uiExplicitBoundsBlock(gnode->block,
620                                       rect->xmin - node_group_frame,
621                                       rect->ymin,
622                                       rect->xmax + node_group_frame,
623                                       rect->ymax + group_header);
624         }
625 }
626
627 static void update_group_input_cb(bContext *UNUSED(C), void *UNUSED(snode_v), void *ngroup_v)
628 {
629         bNodeTree *ngroup = (bNodeTree *)ngroup_v;
630         
631         ngroup->update |= NTREE_UPDATE_GROUP_IN;
632         ntreeUpdateTree(ngroup);
633 }
634
635 static void update_group_output_cb(bContext *UNUSED(C), void *UNUSED(snode_v), void *ngroup_v)
636 {
637         bNodeTree *ngroup = (bNodeTree *)ngroup_v;
638         
639         ngroup->update |= NTREE_UPDATE_GROUP_OUT;
640         ntreeUpdateTree(ngroup);
641 }
642
643 static void draw_group_socket_name(SpaceNode *snode, bNode *gnode, bNodeSocket *sock, int in_out, float xoffset, float yoffset)
644 {
645         bNodeTree *ngroup = (bNodeTree *)gnode->id;
646         uiBut *bt;
647         const char *ui_name = IFACE_(sock->name);
648         
649         if (sock->flag & SOCK_DYNAMIC) {
650                 bt = uiDefBut(gnode->block, TEX, 0, "", 
651                               sock->locx + xoffset, sock->locy + 1 + yoffset, 72, NODE_DY,
652                               sock->name, 0, sizeof(sock->name), 0, 0, "");
653                 if (in_out == SOCK_IN)
654                         uiButSetFunc(bt, update_group_input_cb, snode, ngroup);
655                 else
656                         uiButSetFunc(bt, update_group_output_cb, snode, ngroup);
657         }
658         else {
659                 uiDefBut(gnode->block, LABEL, 0, ui_name,
660                          sock->locx + xoffset, sock->locy + 1 + yoffset, 72, NODE_DY,
661                          NULL, 0, sizeof(ui_name), 0, 0, "");
662         }
663 }
664
665 static void draw_group_socket(const bContext *C, SpaceNode *snode, bNodeTree *ntree, bNode *gnode, bNodeSocket *sock, bNodeSocket *gsock, int index, int in_out)
666 {
667         bNodeTree *ngroup = (bNodeTree *)gnode->id;
668         bNodeSocketType *stype = ntreeGetSocketType(gsock ? gsock->type : sock->type);
669         uiBut *bt;
670         float offset;
671         int draw_value;
672         float node_group_frame = U.dpi * NODE_GROUP_FRAME / 72;
673         float socket_size = NODE_SOCKSIZE * U.dpi / 72;
674         float arrowbutw = 0.8f * UI_UNIT_X;
675         /* layout stuff for buttons on group left frame */
676         float colw = 0.6f * node_group_frame;
677         float col1 = 6 - node_group_frame;
678         float col2 = col1 + colw + 6;
679         float col3 = -arrowbutw - 6;
680         /* layout stuff for buttons on group right frame */
681         float cor1 = 6;
682         float cor2 = cor1 + arrowbutw + 6;
683         float cor3 = cor2 + arrowbutw + 6;
684         
685         /* node and group socket circles */
686         if (sock)
687                 node_socket_circle_draw(ntree, sock, socket_size, sock->flag & SELECT);
688         if (gsock)
689                 node_socket_circle_draw(ngroup, gsock, socket_size, gsock->flag & SELECT);
690         
691         /* socket name */
692         offset = (in_out == SOCK_IN ? col1 : cor3);
693         if (!gsock)
694                 offset += (in_out == SOCK_IN ? node_group_frame : -node_group_frame);
695         
696         /* draw both name and value button if:
697          * 1) input: not internal
698          * 2) output: (node type uses const outputs) and (group output is unlinked)
699          */
700         draw_value = 0;
701         switch (in_out) {
702                 case SOCK_IN:
703                         draw_value = !(gsock && (gsock->flag & SOCK_INTERNAL));
704                         break;
705                 case SOCK_OUT:
706                         if (gnode->typeinfo->flag & NODE_CONST_OUTPUT)
707                                 draw_value = !(gsock && gsock->link);
708                         break;
709         }
710         if (draw_value) {
711                 /* both name and value buttons */
712                 if (gsock) {
713                         draw_group_socket_name(snode, gnode, gsock, in_out, offset, 0);
714                         if (stype->buttonfunc)
715                                 stype->buttonfunc(C, gnode->block, ngroup, NULL, gsock, "", gsock->locx + offset, gsock->locy - NODE_DY, colw);
716                 }
717                 else {
718                         draw_group_socket_name(snode, gnode, sock, in_out, offset, 0);
719                         if (stype->buttonfunc)
720                                 stype->buttonfunc(C, gnode->block, ngroup, NULL, sock, "", sock->locx + offset, sock->locy - NODE_DY, colw);
721                 }
722         }
723         else {
724                 /* only name, no value button */
725                 if (gsock)
726                         draw_group_socket_name(snode, gnode, gsock, in_out, offset, -NODE_DYS);
727                 else
728                         draw_group_socket_name(snode, gnode, sock, in_out, offset, -NODE_DYS);
729         }
730         
731         if (gsock && (gsock->flag & SOCK_DYNAMIC)) {
732                 /* up/down buttons */
733                 offset = (in_out == SOCK_IN ? col2 : cor2);
734                 uiBlockSetDirection(gnode->block, UI_TOP);
735                 uiBlockBeginAlign(gnode->block);
736                 bt = uiDefIconButO(gnode->block, BUT, "NODE_OT_group_socket_move_up", 0, ICON_TRIA_UP,
737                                    gsock->locx + offset, gsock->locy, arrowbutw, arrowbutw, "");
738                 if (!gsock->prev || !(gsock->prev->flag & SOCK_DYNAMIC))
739                         uiButSetFlag(bt, UI_BUT_DISABLED);
740                 RNA_int_set(uiButGetOperatorPtrRNA(bt), "index", index);
741                 RNA_enum_set(uiButGetOperatorPtrRNA(bt), "in_out", in_out);
742                 bt = uiDefIconButO(gnode->block, BUT, "NODE_OT_group_socket_move_down", 0, ICON_TRIA_DOWN,
743                                    gsock->locx + offset, gsock->locy - arrowbutw, arrowbutw, arrowbutw, "");
744                 if (!gsock->next || !(gsock->next->flag & SOCK_DYNAMIC))
745                         uiButSetFlag(bt, UI_BUT_DISABLED);
746                 RNA_int_set(uiButGetOperatorPtrRNA(bt), "index", index);
747                 RNA_enum_set(uiButGetOperatorPtrRNA(bt), "in_out", in_out);
748                 uiBlockEndAlign(gnode->block);
749                 uiBlockSetDirection(gnode->block, 0);
750                 
751                 /* remove button */
752                 offset = (in_out == SOCK_IN ? col3 : cor1);
753                 uiBlockSetEmboss(gnode->block, UI_EMBOSSN);
754                 bt = uiDefIconButO(gnode->block, BUT, "NODE_OT_group_socket_remove", 0, ICON_X,
755                                    gsock->locx + offset, gsock->locy - 0.5f * arrowbutw, arrowbutw, arrowbutw, "");
756                 RNA_int_set(uiButGetOperatorPtrRNA(bt), "index", index);
757                 RNA_enum_set(uiButGetOperatorPtrRNA(bt), "in_out", in_out);
758                 uiBlockSetEmboss(gnode->block, UI_EMBOSS);
759         }
760 }
761
762 /* groups are, on creation, centered around 0,0 */
763 static void node_draw_group(const bContext *C, ARegion *ar, SpaceNode *snode, bNodeTree *ntree, bNode *gnode)
764 {
765         if (!(gnode->flag & NODE_GROUP_EDIT)) {
766                 node_draw_default(C, ar, snode, ntree, gnode);
767         }
768         else {
769                 bNodeTree *ngroup = (bNodeTree *)gnode->id;
770                 bNodeSocket *sock, *gsock;
771                 uiLayout *layout;
772                 PointerRNA ptr;
773                 rctf rect = gnode->totr;
774                 float node_group_frame = U.dpi * NODE_GROUP_FRAME / 72;
775                 float group_header = 26 * U.dpi / 72;
776                 
777                 int index;
778                 
779                 /* backdrop header */
780                 glEnable(GL_BLEND);
781                 uiSetRoundBox(UI_CNR_TOP_LEFT | UI_CNR_TOP_RIGHT);
782                 UI_ThemeColorShadeAlpha(TH_NODE_GROUP, 0, -70);
783                 uiDrawBox(GL_POLYGON, rect.xmin - node_group_frame, rect.ymax, rect.xmax + node_group_frame, rect.ymax + group_header, BASIS_RAD);
784                 
785                 /* backdrop body */
786                 UI_ThemeColorShadeAlpha(TH_BACK, -8, -70);
787                 uiSetRoundBox(UI_CNR_NONE);
788                 uiDrawBox(GL_POLYGON, rect.xmin, rect.ymin, rect.xmax, rect.ymax, BASIS_RAD);
789         
790                 /* input column */
791                 UI_ThemeColorShadeAlpha(TH_BACK, 10, -50);
792                 uiSetRoundBox(UI_CNR_BOTTOM_LEFT);
793                 uiDrawBox(GL_POLYGON, rect.xmin - node_group_frame, rect.ymin, rect.xmin, rect.ymax, BASIS_RAD);
794         
795                 /* output column */
796                 UI_ThemeColorShadeAlpha(TH_BACK, 10, -50);
797                 uiSetRoundBox(UI_CNR_BOTTOM_RIGHT);
798                 uiDrawBox(GL_POLYGON, rect.xmax, rect.ymin, rect.xmax + node_group_frame, rect.ymax, BASIS_RAD);
799         
800                 /* input column separator */
801                 glColor4ub(200, 200, 200, 140);
802                 glBegin(GL_LINES);
803                 glVertex2f(rect.xmin, rect.ymin);
804                 glVertex2f(rect.xmin, rect.ymax);
805                 glEnd();
806         
807                 /* output column separator */
808                 glColor4ub(200, 200, 200, 140);
809                 glBegin(GL_LINES);
810                 glVertex2f(rect.xmax, rect.ymin);
811                 glVertex2f(rect.xmax, rect.ymax);
812                 glEnd();
813         
814                 /* group node outline */
815                 uiSetRoundBox(UI_CNR_ALL);
816                 glColor4ub(200, 200, 200, 140);
817                 glEnable(GL_LINE_SMOOTH);
818                 uiDrawBox(GL_LINE_LOOP, rect.xmin - node_group_frame, rect.ymin, rect.xmax + node_group_frame, rect.ymax + group_header, BASIS_RAD);
819                 glDisable(GL_LINE_SMOOTH);
820                 glDisable(GL_BLEND);
821                 
822                 /* backdrop title */
823                 UI_ThemeColor(TH_TEXT_HI);
824         
825                 layout = uiBlockLayout(gnode->block, UI_LAYOUT_VERTICAL, UI_LAYOUT_PANEL, (short)(rect.xmin + 15), (short)(rect.ymax + group_header),
826                                        MIN2((int)(rect.xmax - rect.xmin - 18.0f), node_group_frame + 20), group_header, UI_GetStyle());
827                 RNA_pointer_create(&ntree->id, &RNA_Node, gnode, &ptr);
828                 uiTemplateIDBrowse(layout, (bContext *)C, &ptr, "node_tree", NULL, NULL, NULL);
829                 uiBlockLayoutResolve(gnode->block, NULL, NULL);
830         
831                 /* draw the internal tree nodes and links */
832                 node_draw_nodetree(C, ar, snode, ngroup);
833         
834                 /* group sockets */
835                 gsock = ngroup->inputs.first;
836                 sock = gnode->inputs.first;
837                 index = 0;
838                 while (gsock || sock) {
839                         while (sock && !sock->groupsock) {
840                                 draw_group_socket(C, snode, ntree, gnode, sock, NULL, index, SOCK_IN);
841                                 sock = sock->next;
842                         }
843                         while (gsock && (!sock || sock->groupsock != gsock)) {
844                                 draw_group_socket(C, snode, ntree, gnode, NULL, gsock, index, SOCK_IN);
845                                 gsock = gsock->next;
846                                 ++index;
847                         }
848                         while (sock && gsock && sock->groupsock == gsock) {
849                                 draw_group_socket(C, snode, ntree, gnode, sock, gsock, index, SOCK_IN);
850                                 sock = sock->next;
851                                 gsock = gsock->next;
852                                 ++index;
853                         }
854                 }
855                 gsock = ngroup->outputs.first;
856                 sock = gnode->outputs.first;
857                 index = 0;
858                 while (gsock || sock) {
859                         while (sock && !sock->groupsock) {
860                                 draw_group_socket(C, snode, ntree, gnode, sock, NULL, index, SOCK_OUT);
861                                 sock = sock->next;
862                         }
863                         while (gsock && (!sock || sock->groupsock != gsock)) {
864                                 draw_group_socket(C, snode, ntree, gnode, NULL, gsock, index, SOCK_OUT);
865                                 gsock = gsock->next;
866                                 ++index;
867                         }
868                         while (sock && gsock && sock->groupsock == gsock) {
869                                 draw_group_socket(C, snode, ntree, gnode, sock, gsock, index, SOCK_OUT);
870                                 sock = sock->next;
871                                 gsock = gsock->next;
872                                 ++index;
873                         }
874                 }
875                 
876                 uiEndBlock(C, gnode->block);
877                 uiDrawBlock(C, gnode->block);
878                 gnode->block = NULL;
879         }
880 }
881
882 void node_uifunc_group(uiLayout *layout, bContext *C, PointerRNA *ptr)
883 {
884         uiTemplateIDBrowse(layout, C, ptr, "node_tree", NULL, NULL, NULL);
885 }
886
887 static void node_common_buts_whileloop(uiLayout *layout, bContext *UNUSED(C), PointerRNA *ptr)
888 {
889         uiItemR(layout, ptr, "max_iterations", 0, NULL, 0);
890 }
891
892 /* XXX Does a bounding box update by iterating over all children.
893  * Not ideal to do this in every draw call, but doing as transform callback doesn't work,
894  * since the child node totr rects are not updated properly at that point.
895  */
896 static void node_update_frame(const bContext *UNUSED(C), bNodeTree *ntree, bNode *node)
897 {
898         const float margin = 30.0f;
899         NodeFrame *data = (NodeFrame *)node->storage;
900         int bbinit;
901         bNode *tnode;
902         rctf rect, noderect;
903         float xmax, ymax;
904         
905         /* init rect from current frame size */
906         nodeToView(node, node->offsetx, node->offsety, &rect.xmin, &rect.ymax);
907         nodeToView(node, node->offsetx + node->width, node->offsety - node->height, &rect.xmax, &rect.ymin);
908         
909         /* frame can be resized manually only if shrinking is disabled or no children are attached */
910         data->flag |= NODE_FRAME_RESIZEABLE;
911         /* for shrinking bbox, initialize the rect from first child node */
912         bbinit = (data->flag & NODE_FRAME_SHRINK);
913         /* fit bounding box to all children */
914         for (tnode = ntree->nodes.first; tnode; tnode = tnode->next) {
915                 if (tnode->parent != node)
916                         continue;
917                 
918                 /* add margin to node rect */
919                 noderect = tnode->totr;
920                 noderect.xmin -= margin;
921                 noderect.xmax += margin;
922                 noderect.ymin -= margin;
923                 noderect.ymax += margin;
924                 
925                 /* first child initializes frame */
926                 if (bbinit) {
927                         bbinit = 0;
928                         rect = noderect;
929                         data->flag &= ~NODE_FRAME_RESIZEABLE;
930                 }
931                 else
932                         BLI_union_rctf(&rect, &noderect);
933         }
934         
935         /* now adjust the frame size from view-space bounding box */
936         nodeFromView(node, rect.xmin, rect.ymax, &node->offsetx, &node->offsety);
937         nodeFromView(node, rect.xmax, rect.ymin, &xmax, &ymax);
938         node->width = xmax - node->offsetx;
939         node->height = -ymax + node->offsety;
940         
941         node->totr = rect;
942 }
943
944 static void node_draw_frame_label(bNode *node)
945 {
946         /* XXX font id is crap design */
947         const int fontid = blf_mono_font;
948         NodeFrame *data = (NodeFrame *)node->storage;
949         rctf *rct = &node->totr;
950         int color_id = node_get_colorid(node);
951         char label[128];
952         /* XXX a bit hacky, should use separate align values for x and y */
953         float width, ascender;
954         float x, y;
955         
956         BLI_strncpy(label, nodeLabel(node), sizeof(label));
957         BLF_size(fontid, data->label_size, U.dpi);
958         
959         /* title color */
960         UI_ThemeColorBlendShade(TH_TEXT, color_id, 0.8f, 10);
961
962         width = BLF_width(fontid, label);
963         ascender = BLF_ascender(fontid);
964         
965         x = 0.5f * (rct->xmin + rct->xmax) - 0.5f * width;
966         y = rct->ymax - NODE_DYS - ascender;
967         
968         BLF_position(fontid, x, y, 0);
969         BLF_draw(fontid, label, BLF_DRAW_STR_DUMMY_MAX);
970 }
971
972 static void node_draw_frame(const bContext *C, ARegion *ar, SpaceNode *snode, bNodeTree *UNUSED(ntree), bNode *node)
973 {
974         rctf *rct = &node->totr;
975         int color_id = node_get_colorid(node);
976         unsigned char color[4];
977         float alpha;
978         
979         UI_GetThemeColor4ubv(TH_NODE_FRAME, color);
980         alpha = (float)(color[3])/255.0f;
981         
982         /* skip if out of view */
983         if (node->totr.xmax < ar->v2d.cur.xmin || node->totr.xmin > ar->v2d.cur.xmax ||
984             node->totr.ymax < ar->v2d.cur.ymin || node->totr.ymin > ar->v2d.cur.ymax) {
985                 
986                 uiEndBlock(C, node->block);
987                 node->block = NULL;
988                 return;
989         }
990         
991         /* shadow */
992         node_draw_shadow(snode, node, BASIS_RAD, alpha);
993         
994         /* body */
995         if (node->flag & NODE_CUSTOM_COLOR)
996                 glColor4f(node->color[0], node->color[1], node->color[2], alpha);
997         else
998                 UI_ThemeColor4(TH_NODE_FRAME);
999         glEnable(GL_BLEND);
1000         uiSetRoundBox(UI_CNR_ALL);
1001         uiRoundBox(rct->xmin, rct->ymin, rct->xmax, rct->ymax, BASIS_RAD);
1002         glDisable(GL_BLEND);
1003
1004         /* outline active and selected emphasis */
1005         if (node->flag & (NODE_ACTIVE | SELECT) ) {
1006                 glEnable(GL_BLEND);
1007                 glEnable(GL_LINE_SMOOTH);
1008                 
1009                 if (node->flag & NODE_ACTIVE)
1010                         UI_ThemeColorShadeAlpha(TH_ACTIVE, 0, -40);
1011                 else
1012                         UI_ThemeColorShadeAlpha(TH_SELECT, 0, -40);
1013                 uiSetRoundBox(UI_CNR_ALL);
1014                 uiDrawBox(GL_LINE_LOOP, rct->xmin, rct->ymin, rct->xmax, rct->ymax, BASIS_RAD);
1015                 
1016                 glDisable(GL_LINE_SMOOTH);
1017                 glDisable(GL_BLEND);
1018         }
1019         
1020         /* label */
1021         node_draw_frame_label(node);
1022         
1023         UI_ThemeClearColor(color_id);
1024                 
1025         uiEndBlock(C, node->block);
1026         uiDrawBlock(C, node->block);
1027         node->block = NULL;
1028 }
1029
1030 static int node_resize_area_frame(bNode *node, int x, int y)
1031 {
1032         const float size = 10.0f;
1033         NodeFrame *data = (NodeFrame *)node->storage;
1034         rctf totr = node->totr;
1035         int dir = 0;
1036         
1037         /* shrinking frame size is determined by child nodes */
1038         if (!(data->flag & NODE_FRAME_RESIZEABLE))
1039                 return 0;
1040         
1041         if (x >= totr.xmax - size && x < totr.xmax && y >= totr.ymin && y < totr.ymax)
1042                 dir |= NODE_RESIZE_RIGHT;
1043         if (x >= totr.xmin && x < totr.xmin + size && y >= totr.ymin && y < totr.ymax)
1044                 dir |= NODE_RESIZE_LEFT;
1045         if (x >= totr.xmin && x < totr.xmax && y >= totr.ymax - size && y < totr.ymax)
1046                 dir |= NODE_RESIZE_TOP;
1047         if (x >= totr.xmin && x < totr.xmax && y >= totr.ymin && y < totr.ymin + size)
1048                 dir |= NODE_RESIZE_BOTTOM;
1049         
1050         return dir;
1051 }
1052
1053 static void node_buts_frame_details(uiLayout *layout, bContext *UNUSED(C), PointerRNA *ptr)
1054 {
1055         uiItemR(layout, ptr, "label_size", 0, IFACE_("Label Size"), ICON_NONE);
1056         uiItemR(layout, ptr, "shrink", 0, IFACE_("Shrink"), ICON_NONE);
1057 }
1058
1059
1060 #define NODE_REROUTE_SIZE       8.0f
1061
1062 static void node_update_reroute(const bContext *UNUSED(C), bNodeTree *UNUSED(ntree), bNode *node)
1063 {
1064         bNodeSocket *nsock;
1065         float locx, locy;
1066         float size = NODE_REROUTE_SIZE;
1067         
1068         /* get "global" coords */
1069         nodeToView(node, 0.0f, 0.0f, &locx, &locy);
1070         
1071         /* reroute node has exactly one input and one output, both in the same place */
1072         nsock= node->outputs.first;
1073         nsock->locx= locx;
1074         nsock->locy= locy;
1075
1076         nsock= node->inputs.first;
1077         nsock->locx= locx;
1078         nsock->locy= locy;
1079         
1080         node->width = size*2;
1081         node->totr.xmin= locx - size;
1082         node->totr.xmax= locx + size;
1083         node->totr.ymax= locy + size;
1084         node->totr.ymin= locy - size;
1085 }
1086
1087 static void node_draw_reroute(const bContext *C, ARegion *ar, SpaceNode *UNUSED(snode),  bNodeTree *ntree, bNode *node)
1088 {
1089         bNodeSocket *sock;
1090         #if 0   /* UNUSED */
1091         rctf *rct= &node->totr;
1092         float size = NODE_REROUTE_SIZE;
1093         #endif
1094         float socket_size= NODE_SOCKSIZE;
1095
1096         /* skip if out of view */
1097         if (node->totr.xmax < ar->v2d.cur.xmin || node->totr.xmin > ar->v2d.cur.xmax ||
1098                         node->totr.ymax < ar->v2d.cur.ymin || node->totr.ymin > ar->v2d.cur.ymax) {
1099
1100                 uiEndBlock(C, node->block);
1101                 node->block= NULL;
1102                 return;
1103         }
1104
1105         /* XXX only kept for debugging
1106          * selection state is indicated by socket outline below!
1107          */
1108         #if 0
1109         /* body */
1110         uiSetRoundBox(15);
1111         UI_ThemeColor4(TH_NODE);
1112         glEnable(GL_BLEND);
1113         uiRoundBox(rct->xmin, rct->ymin, rct->xmax, rct->ymax, size);
1114         glDisable(GL_BLEND);
1115
1116         /* outline active and selected emphasis */
1117         if (node->flag & (NODE_ACTIVE | SELECT)) {
1118                 glEnable(GL_BLEND);
1119                 glEnable( GL_LINE_SMOOTH );
1120                         /* using different shades of TH_TEXT_HI for the empasis, like triangle */
1121                         if( node->flag & NODE_ACTIVE )
1122                                 UI_ThemeColorShadeAlpha(TH_TEXT_HI, 0, -40);
1123                         else
1124                                 UI_ThemeColorShadeAlpha(TH_TEXT_HI, -20, -120);
1125                         uiDrawBox(GL_LINE_LOOP, rct->xmin, rct->ymin, rct->xmax, rct->ymax, size);
1126
1127                 glDisable( GL_LINE_SMOOTH );
1128                 glDisable(GL_BLEND);
1129         }
1130         #endif
1131
1132         /* only draw input socket. as they all are placed on the same position.
1133          * highlight also if node itself is selected, since we don't display the node body separately!
1134          */
1135         for (sock= node->inputs.first; sock; sock= sock->next) {
1136                 node_socket_circle_draw(ntree, sock, socket_size, (sock->flag & SELECT) || (node->flag & SELECT));
1137         }
1138
1139         uiEndBlock(C, node->block);
1140         uiDrawBlock(C, node->block);
1141         node->block= NULL;
1142 }
1143
1144 /* Special tweak area for reroute node.
1145  * Since this node is quite small, we use a larger tweak area for grabbing than for selection.
1146  */
1147 static int node_tweak_area_reroute(bNode *node, int x, int y)
1148 {
1149         /* square of tweak radius */
1150         static const float tweak_radius_sq = 576;       /* 24*24 */
1151         
1152         bNodeSocket *sock = node->inputs.first;
1153         float dx = sock->locx - x;
1154         float dy = sock->locy - y;
1155         return (dx*dx + dy*dy <= tweak_radius_sq);
1156 }
1157
1158 static void node_common_set_butfunc(bNodeType *ntype)
1159 {
1160         switch (ntype->type) {
1161                 case NODE_GROUP:
1162                         ntype->uifunc = node_uifunc_group;
1163                         ntype->drawfunc = node_draw_group;
1164                         ntype->drawupdatefunc = node_update_group;
1165                         break;
1166                 case NODE_FORLOOP:
1167 //                      ntype->uifunc= node_common_buts_group;
1168                         ntype->drawfunc = node_draw_group;
1169                         ntype->drawupdatefunc = node_update_group;
1170                         break;
1171                 case NODE_WHILELOOP:
1172                         ntype->uifunc = node_common_buts_whileloop;
1173                         ntype->drawfunc = node_draw_group;
1174                         ntype->drawupdatefunc = node_update_group;
1175                         break;
1176                 case NODE_FRAME:
1177                         ntype->drawfunc = node_draw_frame;
1178                         ntype->drawupdatefunc = node_update_frame;
1179                         ntype->uifuncbut = node_buts_frame_details;
1180                         ntype->resize_area_func = node_resize_area_frame;
1181                         break;
1182                 case NODE_REROUTE:
1183                         ntype->drawfunc= node_draw_reroute;
1184                         ntype->drawupdatefunc= node_update_reroute;
1185                         ntype->tweak_area_func= node_tweak_area_reroute;
1186                         break;
1187         }
1188 }
1189
1190 /* ****************** BUTTON CALLBACKS FOR SHADER NODES ***************** */
1191
1192 static void node_buts_image_user(uiLayout *layout, bContext *C, PointerRNA *imaptr, PointerRNA *iuserptr)
1193 {
1194         uiLayout *col;
1195         int source;
1196
1197         if(!imaptr->data)
1198                 return;
1199
1200         col = uiLayoutColumn(layout, 0);
1201         
1202         uiItemR(col, imaptr, "source", 0, "", ICON_NONE);
1203         
1204         source = RNA_enum_get(imaptr, "source");
1205
1206         if (source == IMA_SRC_SEQUENCE) {
1207                 /* don't use iuser->framenr directly because it may not be updated if auto-refresh is off */
1208                 Scene *scene = CTX_data_scene(C);
1209                 ImageUser *iuser = iuserptr->data;
1210                 char numstr[32];
1211                 const int framenr = BKE_image_user_frame_get(iuser, CFRA, 0);
1212                 BLI_snprintf(numstr, sizeof(numstr), IFACE_("Frame: %d"), framenr);
1213                 uiItemL(layout, numstr, ICON_NONE);
1214         }
1215
1216         if (ELEM(source, IMA_SRC_SEQUENCE, IMA_SRC_MOVIE)) {
1217                 col = uiLayoutColumn(layout, 1);
1218                 uiItemR(col, iuserptr, "frame_duration", 0, NULL, ICON_NONE);
1219                 uiItemR(col, iuserptr, "frame_start", 0, NULL, ICON_NONE);
1220                 uiItemR(col, iuserptr, "frame_offset", 0, NULL, ICON_NONE);
1221                 uiItemR(col, iuserptr, "use_cyclic", 0, NULL, ICON_NONE);
1222                 uiItemR(col, iuserptr, "use_auto_refresh", UI_ITEM_R_ICON_ONLY, NULL, ICON_NONE);
1223         }
1224
1225         col = uiLayoutColumn(layout, 0);
1226
1227         if (RNA_enum_get(imaptr, "type") == IMA_TYPE_MULTILAYER)
1228                 uiItemR(col, iuserptr, "layer", 0, NULL, ICON_NONE);
1229
1230 }
1231
1232 static void node_shader_buts_material(uiLayout *layout, bContext *C, PointerRNA *ptr)
1233 {
1234         bNode *node = ptr->data;
1235         uiLayout *col;
1236         
1237         uiTemplateID(layout, C, ptr, "material", "MATERIAL_OT_new", NULL, NULL);
1238         
1239         if (!node->id) return;
1240         
1241         col = uiLayoutColumn(layout, 0);
1242         uiItemR(col, ptr, "use_diffuse", 0, NULL, ICON_NONE);
1243         uiItemR(col, ptr, "use_specular", 0, NULL, ICON_NONE);
1244         uiItemR(col, ptr, "invert_normal", 0, NULL, ICON_NONE);
1245 }
1246
1247 static void node_shader_buts_mapping(uiLayout *layout, bContext *UNUSED(C), PointerRNA *ptr)
1248 {
1249         uiLayout *row;
1250         
1251         uiItemL(layout, IFACE_("Location:"), ICON_NONE);
1252         row = uiLayoutRow(layout, 1);
1253         uiItemR(row, ptr, "translation", 0, "", ICON_NONE);
1254         
1255         uiItemL(layout, IFACE_("Rotation:"), ICON_NONE);
1256         row = uiLayoutRow(layout, 1);
1257         uiItemR(row, ptr, "rotation", 0, "", ICON_NONE);
1258         
1259         uiItemL(layout, IFACE_("Scale:"), ICON_NONE);
1260         row = uiLayoutRow(layout, 1);
1261         uiItemR(row, ptr, "scale", 0, "", ICON_NONE);
1262         
1263         row = uiLayoutRow(layout, 1);
1264         uiItemR(row, ptr, "use_min", 0, "Min", ICON_NONE);
1265         uiItemR(row, ptr, "min", 0, "", ICON_NONE);
1266         
1267         row = uiLayoutRow(layout, 1);
1268         uiItemR(row, ptr, "use_max", 0, "Max", ICON_NONE);
1269         uiItemR(row, ptr, "max", 0, "", ICON_NONE);
1270 }
1271
1272 static void node_shader_buts_vect_math(uiLayout *layout, bContext *UNUSED(C), PointerRNA *ptr)
1273
1274         uiItemR(layout, ptr, "operation", 0, "", ICON_NONE);
1275 }
1276
1277 static void node_shader_buts_geometry(uiLayout *layout, bContext *C, PointerRNA *ptr)
1278 {
1279         PointerRNA obptr = CTX_data_pointer_get(C, "active_object");
1280         uiLayout *col;
1281
1282         col = uiLayoutColumn(layout, 0);
1283
1284         if (obptr.data && RNA_enum_get(&obptr, "type") == OB_MESH) {
1285                 PointerRNA dataptr = RNA_pointer_get(&obptr, "data");
1286
1287                 uiItemPointerR(col, ptr, "uv_layer", &dataptr, "uv_textures", "", ICON_NONE);
1288                 uiItemPointerR(col, ptr, "color_layer", &dataptr, "vertex_colors", "", ICON_NONE);
1289         }
1290         else {
1291                 uiItemR(col, ptr, "uv_layer", 0, IFACE_("UV"), ICON_NONE);
1292                 uiItemR(col, ptr, "color_layer", 0, IFACE_("VCol"), ICON_NONE);
1293         }
1294 }
1295
1296 static void node_shader_buts_attribute(uiLayout *layout, bContext *UNUSED(C), PointerRNA *ptr)
1297 {
1298         uiItemR(layout, ptr, "attribute_name", 0, IFACE_("Name"), ICON_NONE);
1299 }
1300
1301 static void node_shader_buts_tex_image(uiLayout *layout, bContext *C, PointerRNA *ptr)
1302 {
1303         PointerRNA imaptr = RNA_pointer_get(ptr, "image");
1304         PointerRNA iuserptr = RNA_pointer_get(ptr, "image_user");
1305
1306         uiTemplateID(layout, C, ptr, "image", NULL, "IMAGE_OT_open", NULL);
1307         uiItemR(layout, ptr, "color_space", 0, "", ICON_NONE);
1308
1309         node_buts_image_user(layout, C, &imaptr, &iuserptr);
1310 }
1311
1312 static void node_shader_buts_tex_environment(uiLayout *layout, bContext *C, PointerRNA *ptr)
1313 {
1314         PointerRNA imaptr = RNA_pointer_get(ptr, "image");
1315         PointerRNA iuserptr = RNA_pointer_get(ptr, "image_user");
1316
1317         uiTemplateID(layout, C, ptr, "image", NULL, "IMAGE_OT_open", NULL);
1318         uiItemR(layout, ptr, "color_space", 0, "", ICON_NONE);
1319         uiItemR(layout, ptr, "projection", 0, "", ICON_NONE);
1320
1321         node_buts_image_user(layout, C, &imaptr, &iuserptr);
1322 }
1323
1324 static void node_shader_buts_tex_sky(uiLayout *layout, bContext *UNUSED(C), PointerRNA *ptr)
1325 {
1326         uiItemR(layout, ptr, "sun_direction", 0, "", ICON_NONE);
1327         uiItemR(layout, ptr, "turbidity", 0, NULL, ICON_NONE);
1328 }
1329
1330 static void node_shader_buts_tex_gradient(uiLayout *layout, bContext *UNUSED(C), PointerRNA *ptr)
1331 {
1332         uiItemR(layout, ptr, "gradient_type", 0, "", ICON_NONE);
1333 }
1334
1335 static void node_shader_buts_tex_magic(uiLayout *layout, bContext *UNUSED(C), PointerRNA *ptr)
1336 {
1337         uiItemR(layout, ptr, "turbulence_depth", 0, NULL, ICON_NONE);
1338 }
1339
1340 static void node_shader_buts_tex_wave(uiLayout *layout, bContext *UNUSED(C), PointerRNA *ptr)
1341 {
1342         uiItemR(layout, ptr, "wave_type", 0, "", ICON_NONE);
1343 }
1344
1345 static void node_shader_buts_tex_musgrave(uiLayout *layout, bContext *UNUSED(C), PointerRNA *ptr)
1346 {
1347         uiItemR(layout, ptr, "musgrave_type", 0, "", ICON_NONE);
1348 }
1349
1350 static void node_shader_buts_tex_voronoi(uiLayout *layout, bContext *UNUSED(C), PointerRNA *ptr)
1351 {
1352         uiItemR(layout, ptr, "coloring", 0, "", ICON_NONE);
1353 }
1354
1355 static void node_shader_buts_glossy(uiLayout *layout, bContext *UNUSED(C), PointerRNA *ptr)
1356 {
1357         uiItemR(layout, ptr, "distribution", 0, "", ICON_NONE);
1358 }
1359
1360 /* only once called */
1361 static void node_shader_set_butfunc(bNodeType *ntype)
1362 {
1363         switch (ntype->type) {
1364                 /* case NODE_GROUP:      note, typeinfo for group is generated... see "XXX ugly hack" */
1365
1366                 case SH_NODE_MATERIAL:
1367                 case SH_NODE_MATERIAL_EXT:
1368                         ntype->uifunc = node_shader_buts_material;
1369                         break;
1370                 case SH_NODE_TEXTURE:
1371                         ntype->uifunc = node_buts_texture;
1372                         break;
1373                 case SH_NODE_NORMAL:
1374                         ntype->uifunc = node_buts_normal;
1375                         break;
1376                 case SH_NODE_CURVE_VEC:
1377                         ntype->uifunc = node_buts_curvevec;
1378                         break;
1379                 case SH_NODE_CURVE_RGB:
1380                         ntype->uifunc = node_buts_curvecol;
1381                         break;
1382                 case SH_NODE_MAPPING:
1383                         ntype->uifunc = node_shader_buts_mapping;
1384                         break;
1385                 case SH_NODE_VALUE:
1386                         ntype->uifunc = node_buts_value;
1387                         break;
1388                 case SH_NODE_RGB:
1389                         ntype->uifunc = node_buts_rgb;
1390                         break;
1391                 case SH_NODE_MIX_RGB:
1392                         ntype->uifunc = node_buts_mix_rgb;
1393                         break;
1394                 case SH_NODE_VALTORGB:
1395                         ntype->uifunc = node_buts_colorramp;
1396                         break;
1397                 case SH_NODE_MATH: 
1398                         ntype->uifunc = node_buts_math;
1399                         break; 
1400                 case SH_NODE_VECT_MATH: 
1401                         ntype->uifunc = node_shader_buts_vect_math;
1402                         break; 
1403                 case SH_NODE_GEOMETRY:
1404                         ntype->uifunc = node_shader_buts_geometry;
1405                         break;
1406                 case SH_NODE_ATTRIBUTE:
1407                         ntype->uifunc = node_shader_buts_attribute;
1408                         break;
1409                 case SH_NODE_TEX_SKY:
1410                         ntype->uifunc = node_shader_buts_tex_sky;
1411                         break;
1412                 case SH_NODE_TEX_IMAGE:
1413                         ntype->uifunc = node_shader_buts_tex_image;
1414                         break;
1415                 case SH_NODE_TEX_ENVIRONMENT:
1416                         ntype->uifunc = node_shader_buts_tex_environment;
1417                         break;
1418                 case SH_NODE_TEX_GRADIENT:
1419                         ntype->uifunc = node_shader_buts_tex_gradient;
1420                         break;
1421                 case SH_NODE_TEX_MAGIC:
1422                         ntype->uifunc = node_shader_buts_tex_magic;
1423                         break;
1424                 case SH_NODE_TEX_WAVE:
1425                         ntype->uifunc = node_shader_buts_tex_wave;
1426                         break;
1427                 case SH_NODE_TEX_MUSGRAVE:
1428                         ntype->uifunc = node_shader_buts_tex_musgrave;
1429                         break;
1430                 case SH_NODE_TEX_VORONOI:
1431                         ntype->uifunc = node_shader_buts_tex_voronoi;
1432                         break;
1433                 case SH_NODE_BSDF_GLOSSY:
1434                 case SH_NODE_BSDF_GLASS:
1435                         ntype->uifunc = node_shader_buts_glossy;
1436                         break;
1437         }
1438 }
1439
1440 /* ****************** BUTTON CALLBACKS FOR COMPOSITE NODES ***************** */
1441
1442 static void node_composit_buts_image(uiLayout *layout, bContext *C, PointerRNA *ptr)
1443 {
1444         bNode *node = ptr->data;
1445         PointerRNA imaptr, iuserptr;
1446         
1447         uiTemplateID(layout, C, ptr, "image", NULL, "IMAGE_OT_open", NULL);
1448         
1449         if (!node->id) return;
1450         
1451         imaptr = RNA_pointer_get(ptr, "image");
1452         RNA_pointer_create((ID *)ptr->id.data, &RNA_ImageUser, node->storage, &iuserptr);
1453         
1454         node_buts_image_user(layout, C, &imaptr, &iuserptr);
1455 }
1456
1457 static void node_composit_buts_renderlayers(uiLayout *layout, bContext *C, PointerRNA *ptr)
1458 {
1459         bNode *node = ptr->data;
1460         uiLayout *col, *row;
1461         PointerRNA op_ptr;
1462         PointerRNA scn_ptr;
1463         PropertyRNA *prop;
1464         const char *layer_name;
1465         char scene_name[MAX_ID_NAME - 2];
1466         wmOperatorType *ot = WM_operatortype_find("RENDER_OT_render", 1);
1467
1468         BLI_assert(ot != 0);
1469
1470         uiTemplateID(layout, C, ptr, "scene", NULL, NULL, NULL);
1471         
1472         if (!node->id) return;
1473
1474         col = uiLayoutColumn(layout, 0);
1475         row = uiLayoutRow(col, 0);
1476         uiItemR(row, ptr, "layer", 0, "", ICON_NONE);
1477         
1478         prop = RNA_struct_find_property(ptr, "layer");
1479         if (!(RNA_property_enum_identifier(C, ptr, prop, RNA_property_enum_get(ptr, prop), &layer_name)))
1480                 return;
1481         
1482         scn_ptr = RNA_pointer_get(ptr, "scene");
1483         RNA_string_get(&scn_ptr, "name", scene_name);
1484         
1485         WM_operator_properties_create_ptr(&op_ptr, ot);
1486         RNA_string_set(&op_ptr, "layer", layer_name);
1487         RNA_string_set(&op_ptr, "scene", scene_name);
1488         uiItemFullO_ptr(row, ot, "", ICON_RENDER_STILL, op_ptr.data, WM_OP_INVOKE_DEFAULT, 0);
1489
1490 }
1491
1492
1493 static void node_composit_buts_blur(uiLayout *layout, bContext *UNUSED(C), PointerRNA *ptr)
1494 {
1495         uiLayout *col, *row;
1496         
1497         col = uiLayoutColumn(layout, 0);
1498         
1499         uiItemR(col, ptr, "filter_type", 0, "", ICON_NONE);
1500         if (RNA_enum_get(ptr, "filter_type") != R_FILTER_FAST_GAUSS) {
1501                 uiItemR(col, ptr, "use_bokeh", 0, NULL, ICON_NONE);
1502                 uiItemR(col, ptr, "use_gamma_correction", 0, NULL, ICON_NONE);
1503         }
1504         
1505         uiItemR(col, ptr, "use_relative", 0, NULL, ICON_NONE);
1506         
1507         if (RNA_boolean_get(ptr, "use_relative")) {
1508                 uiItemL(col, IFACE_("Aspect Correction"), 0);
1509                 row = uiLayoutRow(layout, 1);
1510                 uiItemR(row, ptr, "aspect_correction", UI_ITEM_R_EXPAND, NULL, 0);
1511                 
1512                 col = uiLayoutColumn(layout, 1);
1513                 uiItemR(col, ptr, "factor_x", 0, IFACE_("X"), ICON_NONE);
1514                 uiItemR(col, ptr, "factor_y", 0, IFACE_("Y"), ICON_NONE);
1515         }
1516         else {
1517                 col = uiLayoutColumn(layout, 1);
1518                 uiItemR(col, ptr, "size_x", 0, IFACE_("X"), ICON_NONE);
1519                 uiItemR(col, ptr, "size_y", 0, IFACE_("Y"), ICON_NONE);
1520         }
1521 }
1522
1523 static void node_composit_buts_dblur(uiLayout *layout, bContext *UNUSED(C), PointerRNA *ptr)
1524 {
1525         uiLayout *col;
1526         
1527         uiItemR(layout, ptr, "iterations", 0, NULL, ICON_NONE);
1528         uiItemR(layout, ptr, "use_wrap", 0, NULL, ICON_NONE);
1529         
1530         col = uiLayoutColumn(layout, 1);
1531         uiItemL(col, IFACE_("Center:"), ICON_NONE);
1532         uiItemR(col, ptr, "center_x", 0, IFACE_("X"), ICON_NONE);
1533         uiItemR(col, ptr, "center_y", 0, IFACE_("Y"), ICON_NONE);
1534         
1535         uiItemS(layout);
1536         
1537         col = uiLayoutColumn(layout, 1);
1538         uiItemR(col, ptr, "distance", 0, NULL, ICON_NONE);
1539         uiItemR(col, ptr, "angle", 0, NULL, ICON_NONE);
1540         
1541         uiItemS(layout);
1542         
1543         uiItemR(layout, ptr, "spin", 0, NULL, ICON_NONE);
1544         uiItemR(layout, ptr, "zoom", 0, NULL, ICON_NONE);
1545 }
1546
1547 static void node_composit_buts_bilateralblur(uiLayout *layout, bContext *UNUSED(C), PointerRNA *ptr)
1548 {       
1549         uiLayout *col;
1550         
1551         col = uiLayoutColumn(layout, 1);
1552         uiItemR(col, ptr, "iterations", 0, NULL, ICON_NONE);
1553         uiItemR(col, ptr, "sigma_color", 0, NULL, ICON_NONE);
1554         uiItemR(col, ptr, "sigma_space", 0, NULL, ICON_NONE);
1555 }
1556
1557 static void node_composit_buts_defocus(uiLayout *layout, bContext *UNUSED(C), PointerRNA *ptr)
1558 {
1559         uiLayout *sub, *col;
1560         
1561         col = uiLayoutColumn(layout, 0);
1562         uiItemL(col, IFACE_("Bokeh Type:"), ICON_NONE);
1563         uiItemR(col, ptr, "bokeh", 0, "", ICON_NONE);
1564         uiItemR(col, ptr, "angle", 0, NULL, ICON_NONE);
1565
1566         uiItemR(layout, ptr, "use_gamma_correction", 0, NULL, ICON_NONE);
1567
1568         col = uiLayoutColumn(layout, 0);
1569         uiLayoutSetActive(col, RNA_boolean_get(ptr, "use_zbuffer") == TRUE);
1570         uiItemR(col, ptr, "f_stop", 0, NULL, ICON_NONE);
1571
1572         uiItemR(layout, ptr, "blur_max", 0, NULL, ICON_NONE);
1573         uiItemR(layout, ptr, "threshold", 0, NULL, ICON_NONE);
1574
1575         col = uiLayoutColumn(layout, 0);
1576         uiItemR(col, ptr, "use_preview", 0, NULL, ICON_NONE);
1577         sub = uiLayoutColumn(col, 0);
1578         uiLayoutSetActive(sub, RNA_boolean_get(ptr, "use_preview"));
1579         uiItemR(sub, ptr, "samples", 0, NULL, ICON_NONE);
1580         
1581         col = uiLayoutColumn(layout, 0);
1582         uiItemR(col, ptr, "use_zbuffer", 0, NULL, ICON_NONE);
1583         sub = uiLayoutColumn(col, 0);
1584         uiLayoutSetActive(sub, RNA_boolean_get(ptr, "use_zbuffer") == FALSE);
1585         uiItemR(sub, ptr, "z_scale", 0, NULL, ICON_NONE);
1586 }
1587
1588 /* qdn: glare node */
1589 static void node_composit_buts_glare(uiLayout *layout, bContext *UNUSED(C), PointerRNA *ptr)
1590 {       
1591         uiItemR(layout, ptr, "glare_type", 0, "", ICON_NONE);
1592         uiItemR(layout, ptr, "quality", 0, "", ICON_NONE);
1593
1594         if (RNA_enum_get(ptr, "glare_type") != 1) {
1595                 uiItemR(layout, ptr, "iterations", 0, NULL, ICON_NONE);
1596         
1597                 if (RNA_enum_get(ptr, "glare_type") != 0)
1598                         uiItemR(layout, ptr, "color_modulation", UI_ITEM_R_SLIDER, NULL, ICON_NONE);
1599         }
1600         
1601         uiItemR(layout, ptr, "mix", 0, NULL, ICON_NONE);
1602         uiItemR(layout, ptr, "threshold", 0, NULL, ICON_NONE);
1603
1604         if (RNA_enum_get(ptr, "glare_type") == 2) {
1605                 uiItemR(layout, ptr, "streaks", 0, NULL, ICON_NONE);
1606                 uiItemR(layout, ptr, "angle_offset", 0, NULL, ICON_NONE);
1607         }
1608         if (RNA_enum_get(ptr, "glare_type") == 0 || RNA_enum_get(ptr, "glare_type") == 2) {
1609                 uiItemR(layout, ptr, "fade", UI_ITEM_R_SLIDER, NULL, ICON_NONE);
1610                 
1611                 if (RNA_enum_get(ptr, "glare_type") == 0)
1612                         uiItemR(layout, ptr, "use_rotate_45", 0, NULL, ICON_NONE);
1613         }
1614         if (RNA_enum_get(ptr, "glare_type") == 1) {
1615                 uiItemR(layout, ptr, "size", 0, NULL, ICON_NONE);
1616         }
1617 }
1618
1619 static void node_composit_buts_tonemap(uiLayout *layout, bContext *UNUSED(C), PointerRNA *ptr)
1620 {       
1621         uiLayout *col;
1622
1623         col = uiLayoutColumn(layout, 0);
1624         uiItemR(col, ptr, "tonemap_type", 0, "", ICON_NONE);
1625         if (RNA_enum_get(ptr, "tonemap_type") == 0) {
1626                 uiItemR(col, ptr, "key", UI_ITEM_R_SLIDER, NULL, ICON_NONE);
1627                 uiItemR(col, ptr, "offset", 0, NULL, ICON_NONE);
1628                 uiItemR(col, ptr, "gamma", 0, NULL, ICON_NONE);
1629         }
1630         else {
1631                 uiItemR(col, ptr, "intensity", 0, NULL, ICON_NONE);
1632                 uiItemR(col, ptr, "contrast", UI_ITEM_R_SLIDER, NULL, ICON_NONE);
1633                 uiItemR(col, ptr, "adaptation", UI_ITEM_R_SLIDER, NULL, ICON_NONE);
1634                 uiItemR(col, ptr, "correction", UI_ITEM_R_SLIDER, NULL, ICON_NONE);
1635         }
1636 }
1637
1638 static void node_composit_buts_lensdist(uiLayout *layout, bContext *UNUSED(C), PointerRNA *ptr)
1639 {
1640         uiLayout *col;
1641
1642         col = uiLayoutColumn(layout, 0);
1643         uiItemR(col, ptr, "use_projector", 0, NULL, ICON_NONE);
1644
1645         col = uiLayoutColumn(col, 0);
1646         uiLayoutSetActive(col, RNA_boolean_get(ptr, "use_projector") == FALSE);
1647         uiItemR(col, ptr, "use_jitter", 0, NULL, ICON_NONE);
1648         uiItemR(col, ptr, "use_fit", 0, NULL, ICON_NONE);
1649 }
1650
1651 static void node_composit_buts_vecblur(uiLayout *layout, bContext *UNUSED(C), PointerRNA *ptr)
1652 {
1653         uiLayout *col;
1654         
1655         col = uiLayoutColumn(layout, 0);
1656         uiItemR(col, ptr, "samples", 0, NULL, ICON_NONE);
1657         uiItemR(col, ptr, "factor", 0, IFACE_("Blur"), ICON_NONE);
1658         
1659         col = uiLayoutColumn(layout, 1);
1660         uiItemL(col, IFACE_("Speed:"), ICON_NONE);
1661         uiItemR(col, ptr, "speed_min", 0, IFACE_("Min"), ICON_NONE);
1662         uiItemR(col, ptr, "speed_max", 0, IFACE_("Max"), ICON_NONE);
1663
1664         uiItemR(layout, ptr, "use_curved", 0, NULL, ICON_NONE);
1665 }
1666
1667 static void node_composit_buts_filter(uiLayout *layout, bContext *UNUSED(C), PointerRNA *ptr)
1668 {
1669         uiItemR(layout, ptr, "filter_type", 0, "", ICON_NONE);
1670 }
1671
1672 static void node_composit_buts_flip(uiLayout *layout, bContext *UNUSED(C), PointerRNA *ptr)
1673 {
1674         uiItemR(layout, ptr, "axis", 0, "", ICON_NONE);
1675 }
1676
1677 static void node_composit_buts_crop(uiLayout *layout, bContext *UNUSED(C), PointerRNA *ptr)
1678 {
1679         uiLayout *col;
1680
1681         uiItemR(layout, ptr, "use_crop_size", 0, NULL, ICON_NONE);
1682         uiItemR(layout, ptr, "relative", 0, NULL, ICON_NONE);
1683
1684         col = uiLayoutColumn(layout, 1);
1685         if (RNA_boolean_get(ptr, "relative")) {
1686                 uiItemR(col, ptr, "rel_min_x", 0, IFACE_("Left"), ICON_NONE);
1687                 uiItemR(col, ptr, "rel_max_x", 0, IFACE_("Right"), ICON_NONE);
1688                 uiItemR(col, ptr, "rel_min_y", 0, IFACE_("Up"), ICON_NONE);
1689                 uiItemR(col, ptr, "rel_max_y", 0, IFACE_("Down"), ICON_NONE);
1690         }
1691         else {
1692                 uiItemR(col, ptr, "min_x", 0, IFACE_("Left"), ICON_NONE);
1693                 uiItemR(col, ptr, "max_x", 0, IFACE_("Right"), ICON_NONE);
1694                 uiItemR(col, ptr, "min_y", 0, IFACE_("Up"), ICON_NONE);
1695                 uiItemR(col, ptr, "max_y", 0, IFACE_("Down"), ICON_NONE);
1696         }
1697 }
1698
1699 static void node_composit_buts_splitviewer(uiLayout *layout, bContext *UNUSED(C), PointerRNA *ptr)
1700 {
1701         uiLayout *row, *col;
1702         
1703         col = uiLayoutColumn(layout, 0);
1704         row = uiLayoutRow(col, 0);
1705         uiItemR(row, ptr, "axis", UI_ITEM_R_EXPAND, NULL, ICON_NONE);
1706         uiItemR(col, ptr, "factor", 0, NULL, ICON_NONE);
1707 }
1708
1709 static void node_composit_buts_double_edge_mask(uiLayout *layout, bContext *UNUSED(C), PointerRNA *ptr)
1710 {
1711         uiLayout *col;
1712
1713         col = uiLayoutColumn(layout, 0);
1714
1715         uiItemL(col, IFACE_("Inner Edge:"), ICON_NONE);
1716         uiItemR(col, ptr, "inner_mode", 0, "", ICON_NONE);
1717         uiItemL(col, IFACE_("Buffer Edge:"), ICON_NONE);
1718         uiItemR(col, ptr, "edge_mode", 0, "", ICON_NONE);
1719 }
1720
1721 static void node_composit_buts_map_value(uiLayout *layout, bContext *UNUSED(C), PointerRNA *ptr)
1722 {
1723         uiLayout *sub, *col;
1724         
1725         col = uiLayoutColumn(layout, 1);
1726         uiItemR(col, ptr, "offset", 0, NULL, ICON_NONE);
1727         uiItemR(col, ptr, "size", 0, NULL, ICON_NONE);
1728         
1729         col = uiLayoutColumn(layout, 1);
1730         uiItemR(col, ptr, "use_min", 0, NULL, ICON_NONE);
1731         sub = uiLayoutColumn(col, 0);
1732         uiLayoutSetActive(sub, RNA_boolean_get(ptr, "use_min"));
1733         uiItemR(sub, ptr, "min", 0, "", ICON_NONE);
1734         
1735         col = uiLayoutColumn(layout, 1);
1736         uiItemR(col, ptr, "use_max", 0, NULL, ICON_NONE);
1737         sub = uiLayoutColumn(col, 0);
1738         uiLayoutSetActive(sub, RNA_boolean_get(ptr, "use_max"));
1739         uiItemR(sub, ptr, "max", 0, "", ICON_NONE);
1740 }
1741
1742 static void node_composit_buts_alphaover(uiLayout *layout, bContext *UNUSED(C), PointerRNA *ptr)
1743 {       
1744         uiLayout *col;
1745         
1746         col = uiLayoutColumn(layout, 1);
1747         uiItemR(col, ptr, "use_premultiply", 0, NULL, ICON_NONE);
1748         uiItemR(col, ptr, "premul", 0, NULL, ICON_NONE);
1749 }
1750
1751 static void node_composit_buts_zcombine(uiLayout *layout, bContext *UNUSED(C), PointerRNA *ptr)
1752 {       
1753         uiLayout *col;
1754         
1755         col = uiLayoutColumn(layout, 1);
1756         uiItemR(col, ptr, "use_alpha", 0, NULL, ICON_NONE);
1757 }
1758
1759
1760 static void node_composit_buts_hue_sat(uiLayout *layout, bContext *UNUSED(C), PointerRNA *ptr)
1761 {
1762         uiLayout *col;
1763         
1764         col = uiLayoutColumn(layout, 0);
1765         uiItemR(col, ptr, "color_hue", UI_ITEM_R_SLIDER, NULL, ICON_NONE);
1766         uiItemR(col, ptr, "color_saturation", UI_ITEM_R_SLIDER, NULL, ICON_NONE);
1767         uiItemR(col, ptr, "color_value", UI_ITEM_R_SLIDER, NULL, ICON_NONE);
1768 }
1769
1770 static void node_composit_buts_dilateerode(uiLayout *layout, bContext *UNUSED(C), PointerRNA *ptr)
1771 {
1772         uiItemR(layout, ptr, "type", 0, NULL, ICON_NONE);
1773         uiItemR(layout, ptr, "distance", 0, NULL, ICON_NONE);
1774         if (RNA_enum_get(ptr, "type") == CMP_NODE_DILATEERODE_DISTANCE_THRESH) {
1775                 uiItemR(layout, ptr, "edge", 0, NULL, ICON_NONE);
1776         }
1777 }
1778
1779 static void node_composit_buts_diff_matte(uiLayout *layout, bContext *UNUSED(C), PointerRNA *ptr)
1780 {
1781         uiLayout *col;
1782         
1783         col = uiLayoutColumn(layout, 1);
1784         uiItemR(col, ptr, "tolerance", UI_ITEM_R_SLIDER, NULL, ICON_NONE);
1785         uiItemR(col, ptr, "falloff", UI_ITEM_R_SLIDER, NULL, ICON_NONE);
1786 }
1787
1788 static void node_composit_buts_distance_matte(uiLayout *layout, bContext *UNUSED(C), PointerRNA *ptr)
1789 {
1790         uiLayout *col, *row;
1791         
1792         col = uiLayoutColumn(layout, 1);
1793    
1794         uiItemL(layout, IFACE_("Color Space:"), ICON_NONE);
1795         row = uiLayoutRow(layout, 0);
1796         uiItemR(row, ptr, "channel", UI_ITEM_R_EXPAND, NULL, ICON_NONE);
1797
1798         uiItemR(col, ptr, "tolerance", UI_ITEM_R_SLIDER, NULL, ICON_NONE);
1799         uiItemR(col, ptr, "falloff", UI_ITEM_R_SLIDER, NULL, ICON_NONE);
1800 }
1801
1802 static void node_composit_buts_color_spill(uiLayout *layout, bContext *UNUSED(C), PointerRNA *ptr)
1803 {
1804         uiLayout *row, *col;
1805         
1806         uiItemL(layout, IFACE_("Despill Channel:"), ICON_NONE);
1807         row = uiLayoutRow(layout, 0);
1808         uiItemR(row, ptr, "channel", UI_ITEM_R_EXPAND, NULL, ICON_NONE);
1809
1810         col = uiLayoutColumn(layout, 0);
1811         uiItemR(col, ptr, "limit_method", 0, NULL, ICON_NONE);
1812
1813         if (RNA_enum_get(ptr, "limit_method") == 0) {
1814                 uiItemL(col, IFACE_("Limiting Channel:"), ICON_NONE);
1815                 row = uiLayoutRow(col, 0);
1816                 uiItemR(row, ptr, "limit_channel", UI_ITEM_R_EXPAND, NULL, ICON_NONE);
1817         }
1818
1819         uiItemR(col, ptr, "ratio", UI_ITEM_R_SLIDER, NULL, ICON_NONE);
1820         uiItemR(col, ptr, "use_unspill", 0, NULL, ICON_NONE);
1821         if (RNA_boolean_get(ptr, "use_unspill") == TRUE) {
1822                 uiItemR(col, ptr, "unspill_red", UI_ITEM_R_SLIDER, NULL, ICON_NONE);
1823                 uiItemR(col, ptr, "unspill_green", UI_ITEM_R_SLIDER, NULL, ICON_NONE);
1824                 uiItemR(col, ptr, "unspill_blue", UI_ITEM_R_SLIDER, NULL, ICON_NONE);
1825         }
1826 }
1827
1828 static void node_composit_buts_chroma_matte(uiLayout *layout, bContext *UNUSED(C), PointerRNA *ptr)
1829 {
1830         uiLayout *col;
1831         
1832         col = uiLayoutColumn(layout, 0);
1833         uiItemR(col, ptr, "tolerance", 0, NULL, ICON_NONE);
1834         uiItemR(col, ptr, "threshold", 0, NULL, ICON_NONE);
1835         
1836         col = uiLayoutColumn(layout, 1);
1837         /*uiItemR(col, ptr, "lift", UI_ITEM_R_SLIDER, NULL, ICON_NONE);  Removed for now */
1838         uiItemR(col, ptr, "gain", UI_ITEM_R_SLIDER, NULL, ICON_NONE);
1839         /*uiItemR(col, ptr, "shadow_adjust", UI_ITEM_R_SLIDER, NULL, ICON_NONE);  Removed for now*/
1840 }
1841
1842 static void node_composit_buts_color_matte(uiLayout *layout, bContext *UNUSED(C), PointerRNA *ptr)
1843 {
1844         uiLayout *col;
1845         
1846         col = uiLayoutColumn(layout, 1);
1847         uiItemR(col, ptr, "color_hue", UI_ITEM_R_SLIDER, NULL, ICON_NONE);
1848         uiItemR(col, ptr, "color_saturation", UI_ITEM_R_SLIDER, NULL, ICON_NONE);
1849         uiItemR(col, ptr, "color_value", UI_ITEM_R_SLIDER, NULL, ICON_NONE);
1850 }
1851
1852 static void node_composit_buts_channel_matte(uiLayout *layout, bContext *UNUSED(C), PointerRNA *ptr)
1853 {       
1854         uiLayout *col, *row;
1855
1856         uiItemL(layout, IFACE_("Color Space:"), ICON_NONE);
1857         row = uiLayoutRow(layout, 0);
1858         uiItemR(row, ptr, "color_space", UI_ITEM_R_EXPAND, NULL, ICON_NONE);
1859
1860         col = uiLayoutColumn(layout, 0);
1861         uiItemL(col, IFACE_("Key Channel:"), ICON_NONE);
1862         row = uiLayoutRow(col, 0);
1863         uiItemR(row, ptr, "matte_channel", UI_ITEM_R_EXPAND, NULL, ICON_NONE);
1864
1865         col = uiLayoutColumn(layout, 0);
1866
1867         uiItemR(col, ptr, "limit_method", 0, NULL, ICON_NONE);
1868         if (RNA_enum_get(ptr, "limit_method") == 0) {
1869                 uiItemL(col, IFACE_("Limiting Channel:"), ICON_NONE);
1870                 row = uiLayoutRow(col, 0);
1871                 uiItemR(row, ptr, "limit_channel", UI_ITEM_R_EXPAND, NULL, ICON_NONE);
1872         }
1873
1874         uiItemR(col, ptr, "limit_max", UI_ITEM_R_SLIDER, NULL, ICON_NONE);
1875         uiItemR(col, ptr, "limit_min", UI_ITEM_R_SLIDER, NULL, ICON_NONE);
1876 }
1877
1878 static void node_composit_buts_luma_matte(uiLayout *layout, bContext *UNUSED(C), PointerRNA *ptr)
1879 {
1880         uiLayout *col;
1881         
1882         col = uiLayoutColumn(layout, 1);
1883         uiItemR(col, ptr, "limit_max", UI_ITEM_R_SLIDER, NULL, ICON_NONE);
1884         uiItemR(col, ptr, "limit_min", UI_ITEM_R_SLIDER, NULL, ICON_NONE);
1885 }
1886
1887 static void node_composit_buts_map_uv(uiLayout *layout, bContext *UNUSED(C), PointerRNA *ptr)
1888 {
1889         uiItemR(layout, ptr, "alpha", 0, NULL, ICON_NONE);
1890 }
1891
1892 static void node_composit_buts_id_mask(uiLayout *layout, bContext *UNUSED(C), PointerRNA *ptr)
1893 {
1894         uiItemR(layout, ptr, "index", 0, NULL, ICON_NONE);
1895         uiItemR(layout, ptr, "use_smooth_mask", 0, NULL, ICON_NONE);
1896 }
1897
1898 /* draw function for file output node sockets, displays only sub-path and format, no value button */
1899 static void node_draw_input_file_output(const bContext *C, uiBlock *block,
1900                                         bNodeTree *ntree, bNode *node, bNodeSocket *sock,
1901                                         const char *UNUSED(name), int x, int y, int width)
1902 {
1903         uiLayout *layout, *row;
1904         PointerRNA nodeptr, inputptr, imfptr;
1905         int imtype;
1906         int rx, ry;
1907         RNA_pointer_create(&ntree->id, &RNA_Node, node, &nodeptr);
1908         
1909         layout = uiBlockLayout(block, UI_LAYOUT_VERTICAL, UI_LAYOUT_PANEL, x, y + NODE_DY, width, 20, UI_GetStyle());
1910         row = uiLayoutRow(layout, 0);
1911         
1912         imfptr = RNA_pointer_get(&nodeptr, "format");
1913         imtype = RNA_enum_get(&imfptr, "file_format");
1914         if (imtype == R_IMF_IMTYPE_MULTILAYER) {
1915                 NodeImageMultiFileSocket *input = sock->storage;
1916                 RNA_pointer_create(&ntree->id, &RNA_NodeOutputFileSlotLayer, input, &inputptr);
1917                 
1918                 uiItemL(row, input->layer, 0);
1919         }
1920         else {
1921                 NodeImageMultiFileSocket *input = sock->storage;
1922                 PropertyRNA *imtype_prop;
1923                 const char *imtype_name;
1924                 RNA_pointer_create(&ntree->id, &RNA_NodeOutputFileSlotFile, input, &inputptr);
1925                 
1926                 uiItemL(row, input->path, 0);
1927                 
1928                 if (!RNA_boolean_get(&inputptr, "use_node_format"))
1929                         imfptr = RNA_pointer_get(&inputptr, "format");
1930                 
1931                 imtype_prop = RNA_struct_find_property(&imfptr, "file_format");
1932                 RNA_property_enum_name((bContext *)C, &imfptr, imtype_prop, RNA_property_enum_get(&imfptr, imtype_prop), &imtype_name);
1933                 uiBlockSetEmboss(block, UI_EMBOSSP);
1934                 uiItemL(row, imtype_name, 0);
1935                 uiBlockSetEmboss(block, UI_EMBOSSN);
1936         }
1937         
1938         uiBlockLayoutResolve(block, &rx, &ry);
1939 }
1940 static void node_composit_buts_file_output(uiLayout *layout, bContext *UNUSED(C), PointerRNA *ptr)
1941 {
1942         PointerRNA imfptr = RNA_pointer_get(ptr, "format");
1943         int multilayer = (RNA_enum_get(&imfptr, "file_format") == R_IMF_IMTYPE_MULTILAYER);
1944         
1945         if (multilayer)
1946                 uiItemL(layout, IFACE_("Path:"), 0);
1947         else
1948                 uiItemL(layout, IFACE_("Base Path:"), 0);
1949         uiItemR(layout, ptr, "base_path", 0, "", ICON_NONE);
1950 }
1951 static void node_composit_buts_file_output_details(uiLayout *layout, bContext *C, PointerRNA *ptr)
1952 {
1953         PointerRNA imfptr = RNA_pointer_get(ptr, "format");
1954         PointerRNA active_input_ptr, op_ptr;
1955         uiLayout *row;
1956         int active_index;
1957         int multilayer = (RNA_enum_get(&imfptr, "file_format") == R_IMF_IMTYPE_MULTILAYER);
1958         
1959         node_composit_buts_file_output(layout, C, ptr);
1960         uiTemplateImageSettings(layout, &imfptr);
1961         
1962         uiItemS(layout);
1963         
1964         uiItemO(layout, IFACE_("Add Input"), ICON_ZOOMIN, "NODE_OT_output_file_add_socket");
1965         
1966         active_index = RNA_int_get(ptr, "active_input_index");
1967         /* using different collection properties if multilayer format is enabled */
1968         if (multilayer) {
1969                 uiTemplateList(layout, C, ptr, "layer_slots", ptr, "active_input_index", NULL, 0, 0, 0);
1970                 RNA_property_collection_lookup_int(ptr, RNA_struct_find_property(ptr, "layer_slots"), active_index, &active_input_ptr);
1971         }
1972         else {
1973                 uiTemplateList(layout, C, ptr, "file_slots", ptr, "active_input_index", NULL, 0, 0, 0);
1974                 RNA_property_collection_lookup_int(ptr, RNA_struct_find_property(ptr, "file_slots"), active_index, &active_input_ptr);
1975         }
1976         /* XXX collection lookup does not return the ID part of the pointer, setting this manually here */
1977         active_input_ptr.id.data = ptr->id.data;
1978         
1979         row = uiLayoutRow(layout, 1);
1980         op_ptr = uiItemFullO(row, "NODE_OT_output_file_move_active_socket", "", ICON_TRIA_UP, NULL, WM_OP_INVOKE_DEFAULT, UI_ITEM_O_RETURN_PROPS);
1981         RNA_enum_set(&op_ptr, "direction", 1);
1982         op_ptr = uiItemFullO(row, "NODE_OT_output_file_move_active_socket", "", ICON_TRIA_DOWN, NULL, WM_OP_INVOKE_DEFAULT, UI_ITEM_O_RETURN_PROPS);
1983         RNA_enum_set(&op_ptr, "direction", 2);
1984         
1985         if (active_input_ptr.data) {
1986                 if (multilayer) {
1987                         uiLayout *row, *col;
1988                         col = uiLayoutColumn(layout, 1);
1989                         
1990                         uiItemL(col, IFACE_("Layer:"), 0);
1991                         row = uiLayoutRow(col, 0);
1992                         uiItemR(row, &active_input_ptr, "name", 0, "", 0);
1993                         uiItemFullO(row, "NODE_OT_output_file_remove_active_socket", "", ICON_X, NULL, WM_OP_EXEC_DEFAULT, UI_ITEM_R_ICON_ONLY);
1994                 }
1995                 else {
1996                         uiLayout *row, *col;
1997                         col = uiLayoutColumn(layout, 1);
1998                         
1999                         uiItemL(col, IFACE_("File Path:"), 0);
2000                         row = uiLayoutRow(col, 0);
2001                         uiItemR(row, &active_input_ptr, "path", 0, "", 0);
2002                         uiItemFullO(row, "NODE_OT_output_file_remove_active_socket", "", ICON_X, NULL, WM_OP_EXEC_DEFAULT, UI_ITEM_R_ICON_ONLY);
2003                         
2004                         /* format details for individual files */
2005                         imfptr = RNA_pointer_get(&active_input_ptr, "format");
2006                         
2007                         col = uiLayoutColumn(layout, 1);
2008                         uiItemL(col, IFACE_("Format:"), 0);
2009                         uiItemR(col, &active_input_ptr, "use_node_format", 0, NULL, 0);
2010                         
2011                         col = uiLayoutColumn(layout, 0);
2012                         uiLayoutSetActive(col, RNA_boolean_get(&active_input_ptr, "use_node_format") == FALSE);
2013                         uiTemplateImageSettings(col, &imfptr);
2014                 }
2015         }
2016 }
2017
2018 static void node_composit_buts_scale(uiLayout *layout, bContext *UNUSED(C), PointerRNA *ptr)
2019 {
2020         uiItemR(layout, ptr, "space", 0, "", ICON_NONE);
2021 }
2022
2023 static void node_composit_buts_rotate(uiLayout *layout, bContext *UNUSED(C), PointerRNA *ptr)
2024 {
2025         uiItemR(layout, ptr, "filter_type", 0, "", ICON_NONE);
2026 }
2027
2028 static void node_composit_buts_invert(uiLayout *layout, bContext *UNUSED(C), PointerRNA *ptr)
2029 {
2030         uiLayout *col;
2031         
2032         col = uiLayoutColumn(layout, 0);
2033         uiItemR(col, ptr, "invert_rgb", 0, NULL, ICON_NONE);
2034         uiItemR(col, ptr, "invert_alpha", 0, NULL, ICON_NONE);
2035 }
2036
2037 static void node_composit_buts_premulkey(uiLayout *layout, bContext *UNUSED(C), PointerRNA *ptr)
2038 {
2039         uiItemR(layout, ptr, "mapping", 0, "", ICON_NONE);
2040 }
2041
2042 static void node_composit_buts_view_levels(uiLayout *layout, bContext *UNUSED(C), PointerRNA *ptr)
2043 {
2044         uiItemR(layout, ptr, "channel", UI_ITEM_R_EXPAND, NULL, ICON_NONE);
2045 }
2046
2047 static void node_composit_buts_colorbalance(uiLayout *layout, bContext *UNUSED(C), PointerRNA *ptr)
2048 {
2049         uiLayout *split, *col, *row;
2050         
2051         uiItemR(layout, ptr, "correction_method", 0, NULL, ICON_NONE);
2052         
2053         if (RNA_enum_get(ptr, "correction_method") == 0) {
2054         
2055                 split = uiLayoutSplit(layout, 0, 0);
2056                 col = uiLayoutColumn(split, 0);
2057                 uiTemplateColorWheel(col, ptr, "lift", 1, 1, 0, 1);
2058                 row = uiLayoutRow(col, 0);
2059                 uiItemR(row, ptr, "lift", 0, NULL, ICON_NONE);
2060                 
2061                 col = uiLayoutColumn(split, 0);
2062                 uiTemplateColorWheel(col, ptr, "gamma", 1, 1, 1, 1);
2063                 row = uiLayoutRow(col, 0);
2064                 uiItemR(row, ptr, "gamma", 0, NULL, ICON_NONE);
2065                 
2066                 col = uiLayoutColumn(split, 0);
2067                 uiTemplateColorWheel(col, ptr, "gain", 1, 1, 1, 1);
2068                 row = uiLayoutRow(col, 0);
2069                 uiItemR(row, ptr, "gain", 0, NULL, ICON_NONE);
2070
2071         }
2072         else {
2073                 
2074                 split = uiLayoutSplit(layout, 0, 0);
2075                 col = uiLayoutColumn(split, 0);
2076                 uiTemplateColorWheel(col, ptr, "offset", 1, 1, 0, 1);
2077                 row = uiLayoutRow(col, 0);
2078                 uiItemR(row, ptr, "offset", 0, NULL, ICON_NONE);
2079                 
2080                 col = uiLayoutColumn(split, 0);
2081                 uiTemplateColorWheel(col, ptr, "power", 1, 1, 0, 1);
2082                 row = uiLayoutRow(col, 0);
2083                 uiItemR(row, ptr, "power", 0, NULL, ICON_NONE);
2084                 
2085                 col = uiLayoutColumn(split, 0);
2086                 uiTemplateColorWheel(col, ptr, "slope", 1, 1, 0, 1);
2087                 row = uiLayoutRow(col, 0);
2088                 uiItemR(row, ptr, "slope", 0, NULL, ICON_NONE);
2089         }
2090
2091 }
2092 static void node_composit_buts_colorbalance_but(uiLayout *layout, bContext *UNUSED(C), PointerRNA *ptr)
2093 {
2094         uiItemR(layout, ptr, "correction_method", 0, NULL, ICON_NONE);
2095
2096         if (RNA_enum_get(ptr, "correction_method") == 0) {
2097
2098                 uiTemplateColorWheel(layout, ptr, "lift", 1, 1, 0, 1);
2099                 uiItemR(layout, ptr, "lift", 0, NULL, ICON_NONE);
2100
2101                 uiTemplateColorWheel(layout, ptr, "gamma", 1, 1, 1, 1);
2102                 uiItemR(layout, ptr, "gamma", 0, NULL, ICON_NONE);
2103
2104                 uiTemplateColorWheel(layout, ptr, "gain", 1, 1, 1, 1);
2105                 uiItemR(layout, ptr, "gain", 0, NULL, ICON_NONE);
2106         }
2107         else {
2108                 uiTemplateColorWheel(layout, ptr, "offset", 1, 1, 0, 1);
2109                 uiItemR(layout, ptr, "offset", 0, NULL, ICON_NONE);
2110
2111                 uiTemplateColorWheel(layout, ptr, "power", 1, 1, 0, 1);
2112                 uiItemR(layout, ptr, "power", 0, NULL, ICON_NONE);
2113
2114                 uiTemplateColorWheel(layout, ptr, "slope", 1, 1, 0, 1);
2115                 uiItemR(layout, ptr, "slope", 0, NULL, ICON_NONE);
2116         }
2117 }
2118
2119
2120 static void node_composit_buts_huecorrect(uiLayout *layout, bContext *UNUSED(C), PointerRNA *ptr)
2121 {
2122         uiTemplateCurveMapping(layout, ptr, "mapping", 'h', 0, 0);
2123 }
2124
2125 static void node_composit_buts_ycc(uiLayout *layout, bContext *UNUSED(C), PointerRNA *ptr)
2126
2127         uiItemR(layout, ptr, "mode", 0, "", ICON_NONE);
2128 }
2129
2130 static void node_composit_buts_movieclip(uiLayout *layout, bContext *C, PointerRNA *ptr)
2131 {
2132         uiTemplateID(layout, C, ptr, "clip", NULL, "CLIP_OT_open", NULL);
2133 }
2134
2135 static void node_composit_buts_stabilize2d(uiLayout *layout, bContext *C, PointerRNA *ptr)
2136 {
2137         bNode *node = ptr->data;
2138
2139         uiTemplateID(layout, C, ptr, "clip", NULL, "CLIP_OT_open", NULL);
2140
2141         if (!node->id)
2142                 return;
2143
2144         uiItemR(layout, ptr, "filter_type", 0, "", 0);
2145 }
2146
2147 static void node_composit_buts_transform(uiLayout *layout, bContext *UNUSED(C), PointerRNA *ptr)
2148 {
2149         uiItemR(layout, ptr, "filter_type", 0, "", 0);
2150 }
2151
2152 static void node_composit_buts_moviedistortion(uiLayout *layout, bContext *C, PointerRNA *ptr)
2153 {
2154         bNode *node = ptr->data;
2155
2156         uiTemplateID(layout, C, ptr, "clip", NULL, "CLIP_OT_open", NULL);
2157
2158         if (!node->id)
2159                 return;
2160
2161         uiItemR(layout, ptr, "distortion_type", 0, "", 0);
2162 }
2163
2164 static void node_composit_buts_colorcorrection(uiLayout *layout, bContext *UNUSED(C), PointerRNA *ptr)
2165 {
2166         uiLayout *row;
2167         
2168         row = uiLayoutRow(layout, 0);
2169         uiItemR(row, ptr, "red", 0, NULL, ICON_NONE);
2170         uiItemR(row, ptr, "green", 0, NULL, ICON_NONE);
2171         uiItemR(row, ptr, "blue", 0, NULL, ICON_NONE);
2172
2173         row = uiLayoutRow(layout, 0);
2174         uiItemL(row, "", 0);
2175         uiItemL(row, IFACE_("Saturation"), 0);
2176         uiItemL(row, IFACE_("Contrast"), 0);
2177         uiItemL(row, IFACE_("Gamma"), 0);
2178         uiItemL(row, IFACE_("Gain"), 0);
2179         uiItemL(row, IFACE_("Lift"), 0);
2180
2181         row = uiLayoutRow(layout, 0);
2182         uiItemL(row, IFACE_("Master"), 0);
2183         uiItemR(row, ptr, "master_saturation", UI_ITEM_R_SLIDER, "", ICON_NONE);
2184         uiItemR(row, ptr, "master_contrast", UI_ITEM_R_SLIDER, "", ICON_NONE);
2185         uiItemR(row, ptr, "master_gamma", UI_ITEM_R_SLIDER, "", ICON_NONE);
2186         uiItemR(row, ptr, "master_gain", UI_ITEM_R_SLIDER, "", ICON_NONE);
2187         uiItemR(row, ptr, "master_lift", UI_ITEM_R_SLIDER, "", ICON_NONE);
2188
2189         row = uiLayoutRow(layout, 0);
2190         uiItemL(row, IFACE_("Highlights"), 0);
2191         uiItemR(row, ptr, "highlights_saturation", UI_ITEM_R_SLIDER, "", ICON_NONE);
2192         uiItemR(row, ptr, "highlights_contrast", UI_ITEM_R_SLIDER, "", ICON_NONE);
2193         uiItemR(row, ptr, "highlights_gamma", UI_ITEM_R_SLIDER, "", ICON_NONE);
2194         uiItemR(row, ptr, "highlights_gain", UI_ITEM_R_SLIDER, "", ICON_NONE);
2195         uiItemR(row, ptr, "highlights_lift", UI_ITEM_R_SLIDER, "", ICON_NONE);
2196
2197         row = uiLayoutRow(layout, 0);
2198         uiItemL(row, IFACE_("Midtones"), 0);
2199         uiItemR(row, ptr, "midtones_saturation", UI_ITEM_R_SLIDER, "", ICON_NONE);
2200         uiItemR(row, ptr, "midtones_contrast", UI_ITEM_R_SLIDER, "", ICON_NONE);
2201         uiItemR(row, ptr, "midtones_gamma", UI_ITEM_R_SLIDER, "", ICON_NONE);
2202         uiItemR(row, ptr, "midtones_gain", UI_ITEM_R_SLIDER, "", ICON_NONE);
2203         uiItemR(row, ptr, "midtones_lift", UI_ITEM_R_SLIDER, "", ICON_NONE);
2204
2205         row = uiLayoutRow(layout, 0);
2206         uiItemL(row, IFACE_("Shadows"), 0);
2207         uiItemR(row, ptr, "shadows_saturation", UI_ITEM_R_SLIDER, "", ICON_NONE);
2208         uiItemR(row, ptr, "shadows_contrast", UI_ITEM_R_SLIDER, "", ICON_NONE);
2209         uiItemR(row, ptr, "shadows_gamma", UI_ITEM_R_SLIDER, "", ICON_NONE);
2210         uiItemR(row, ptr, "shadows_gain", UI_ITEM_R_SLIDER, "", ICON_NONE);
2211         uiItemR(row, ptr, "shadows_lift", UI_ITEM_R_SLIDER, "", ICON_NONE);
2212
2213         row = uiLayoutRow(layout, 0);
2214         uiItemR(row, ptr, "midtones_start", UI_ITEM_R_SLIDER, NULL, ICON_NONE);
2215         uiItemR(row, ptr, "midtones_end", UI_ITEM_R_SLIDER, NULL, ICON_NONE);
2216 }
2217
2218 static void node_composit_buts_colorcorrection_but(uiLayout *layout, bContext *UNUSED(C), PointerRNA *ptr)
2219 {
2220         uiLayout *row;
2221         
2222         row = uiLayoutRow(layout, 0);
2223         uiItemR(row, ptr, "red", 0, NULL, ICON_NONE);
2224         uiItemR(row, ptr, "green", 0, NULL, ICON_NONE);
2225         uiItemR(row, ptr, "blue", 0, NULL, ICON_NONE);
2226         row = layout;
2227         uiItemL(row, IFACE_("Saturation"), 0);
2228         uiItemR(row, ptr, "master_saturation", UI_ITEM_R_SLIDER, NULL, ICON_NONE);
2229         uiItemR(row, ptr, "highlights_saturation", UI_ITEM_R_SLIDER, NULL, ICON_NONE);
2230         uiItemR(row, ptr, "midtones_saturation", UI_ITEM_R_SLIDER, NULL, ICON_NONE);
2231         uiItemR(row, ptr, "shadows_saturation", UI_ITEM_R_SLIDER, NULL, ICON_NONE);
2232
2233         uiItemL(row, IFACE_("Contrast"), 0);
2234         uiItemR(row, ptr, "master_contrast", UI_ITEM_R_SLIDER, NULL, ICON_NONE);
2235         uiItemR(row, ptr, "highlights_contrast", UI_ITEM_R_SLIDER, NULL, ICON_NONE);
2236         uiItemR(row, ptr, "midtones_contrast", UI_ITEM_R_SLIDER, NULL, ICON_NONE);
2237         uiItemR(row, ptr, "shadows_contrast", UI_ITEM_R_SLIDER, NULL, ICON_NONE);
2238
2239         uiItemL(row, IFACE_("Gamma"), 0);
2240         uiItemR(row, ptr, "master_gamma", UI_ITEM_R_SLIDER, NULL, ICON_NONE);
2241         uiItemR(row, ptr, "highlights_gamma", UI_ITEM_R_SLIDER, NULL, ICON_NONE);
2242         uiItemR(row, ptr, "midtones_gamma", UI_ITEM_R_SLIDER, NULL, ICON_NONE);
2243         uiItemR(row, ptr, "shadows_gamma", UI_ITEM_R_SLIDER, NULL, ICON_NONE);
2244
2245         uiItemL(row, IFACE_("Gain"), 0);
2246         uiItemR(row, ptr, "master_gain", UI_ITEM_R_SLIDER, NULL, ICON_NONE);
2247         uiItemR(row, ptr, "highlights_gain", UI_ITEM_R_SLIDER, NULL, ICON_NONE);
2248         uiItemR(row, ptr, "midtones_gain", UI_ITEM_R_SLIDER, NULL, ICON_NONE);
2249         uiItemR(row, ptr, "shadows_gain", UI_ITEM_R_SLIDER, NULL, ICON_NONE);
2250         
2251         uiItemL(row, IFACE_("Lift"), 0);
2252         uiItemR(row, ptr, "master_lift", UI_ITEM_R_SLIDER, NULL, ICON_NONE);
2253         uiItemR(row, ptr, "highlights_lift", UI_ITEM_R_SLIDER, NULL, ICON_NONE);
2254         uiItemR(row, ptr, "midtones_lift", UI_ITEM_R_SLIDER, NULL, ICON_NONE);
2255         uiItemR(row, ptr, "shadows_lift", UI_ITEM_R_SLIDER, NULL, ICON_NONE);
2256
2257         row = uiLayoutRow(layout, 0);
2258         uiItemR(row, ptr, "midtones_start", 0, NULL, ICON_NONE);
2259         uiItemR(row, ptr, "midtones_end", 0, NULL, ICON_NONE);
2260 }
2261
2262 static void node_composit_buts_switch(uiLayout *layout, bContext *UNUSED(C), PointerRNA *ptr)
2263 {
2264         uiItemR(layout, ptr, "check", 0, NULL, ICON_NONE);
2265 }
2266
2267 static void node_composit_buts_boxmask(uiLayout *layout, bContext *UNUSED(C), PointerRNA *ptr)
2268 {
2269         uiLayout *row;
2270         
2271         row = uiLayoutRow(layout, 1);
2272         uiItemR(row, ptr, "x", 0, NULL, ICON_NONE);
2273         uiItemR(row, ptr, "y", 0, NULL, ICON_NONE);
2274         
2275         row = uiLayoutRow(layout, 1);
2276         uiItemR(row, ptr, "width", UI_ITEM_R_SLIDER, NULL, ICON_NONE);
2277         uiItemR(row, ptr, "height", UI_ITEM_R_SLIDER, NULL, ICON_NONE);
2278
2279         uiItemR(layout, ptr, "rotation", 0, NULL, ICON_NONE);
2280         uiItemR(layout, ptr, "mask_type", 0, NULL, ICON_NONE);
2281 }
2282
2283 static void node_composit_buts_bokehimage(uiLayout *layout, bContext *UNUSED(C), PointerRNA *ptr)
2284 {
2285         uiItemR(layout, ptr, "flaps", 0, NULL, ICON_NONE);
2286         uiItemR(layout, ptr, "angle", 0, NULL, ICON_NONE);
2287         uiItemR(layout, ptr, "rounding", UI_ITEM_R_SLIDER, NULL, ICON_NONE);
2288         uiItemR(layout, ptr, "catadioptric", UI_ITEM_R_SLIDER, NULL, ICON_NONE);
2289         uiItemR(layout, ptr, "shift", UI_ITEM_R_SLIDER, NULL, ICON_NONE);
2290 }
2291
2292 void node_composit_backdrop_viewer(SpaceNode *snode, ImBuf *backdrop, bNode *node, int x, int y)
2293 {
2294 //      node_composit_backdrop_canvas(snode, backdrop, node, x, y);
2295         if (node->custom1 == 0) {
2296                 const float backdropWidth = backdrop->x;
2297                 const float backdropHeight = backdrop->y;
2298                 const float cx  = x + snode->zoom * backdropWidth * node->custom3;
2299                 const float cy = y + snode->zoom * backdropHeight * node->custom4;
2300
2301                 glColor3f(1.0, 1.0, 1.0);
2302
2303                 glBegin(GL_LINES);
2304                 glVertex2f(cx - 25, cy - 25);
2305                 glVertex2f(cx + 25, cy + 25);
2306                 glVertex2f(cx + 25, cy - 25);
2307                 glVertex2f(cx - 25, cy + 25);
2308                 glEnd();
2309         }
2310 }
2311
2312 void node_composit_backdrop_boxmask(SpaceNode *snode, ImBuf *backdrop, bNode *node, int x, int y)
2313 {
2314         NodeBoxMask *boxmask = node->storage;
2315         const float backdropWidth = backdrop->x;
2316         const float backdropHeight = backdrop->y;
2317         const float aspect = backdropWidth / backdropHeight;
2318         const float rad = DEG2RADF(-boxmask->rotation);
2319         const float cosine = cosf(rad);
2320         const float sine = sinf(rad);
2321         const float halveBoxWidth = backdropWidth * (boxmask->width / 2.0f);
2322         const float halveBoxHeight = backdropHeight * (boxmask->height / 2.0f) * aspect;
2323
2324         float cx, cy, x1, x2, x3, x4;
2325         float y1, y2, y3, y4;
2326
2327
2328         /* keep this, saves us from a version patch */
2329         if (snode->zoom == 0.0f) snode->zoom = 1.0f;
2330
2331         glColor3f(1.0, 1.0, 1.0);
2332
2333         cx  = x + snode->zoom * backdropWidth * boxmask->x;
2334         cy = y + snode->zoom * backdropHeight * boxmask->y;
2335
2336         x1 = cx - (cosine * halveBoxWidth + sine * halveBoxHeight) * snode->zoom;
2337         x2 = cx - (cosine * -halveBoxWidth + sine * halveBoxHeight) * snode->zoom;
2338         x3 = cx - (cosine * -halveBoxWidth + sine * -halveBoxHeight) * snode->zoom;
2339         x4 = cx - (cosine * halveBoxWidth + sine * -halveBoxHeight) * snode->zoom;
2340         y1 = cy - (-sine * halveBoxWidth + cosine * halveBoxHeight) * snode->zoom;
2341         y2 = cy - (-sine * -halveBoxWidth + cosine * halveBoxHeight) * snode->zoom;
2342         y3 = cy - (-sine * -halveBoxWidth + cosine * -halveBoxHeight) * snode->zoom;
2343         y4 = cy - (-sine * halveBoxWidth + cosine * -halveBoxHeight) * snode->zoom;
2344
2345         glBegin(GL_LINE_LOOP);
2346         glVertex2f(x1, y1);
2347         glVertex2f(x2, y2);
2348         glVertex2f(x3, y3);
2349         glVertex2f(x4, y4);
2350         glEnd();
2351 }
2352
2353 void node_composit_backdrop_ellipsemask(SpaceNode *snode, ImBuf *backdrop, bNode *node, int x, int y)
2354 {
2355         NodeEllipseMask *ellipsemask = node->storage;
2356         const float backdropWidth = backdrop->x;
2357         const float backdropHeight = backdrop->y;
2358         const float aspect = backdropWidth / backdropHeight;
2359         const float rad = DEG2RADF(-ellipsemask->rotation);
2360         const float cosine = cosf(rad);
2361         const float sine = sinf(rad);
2362         const float halveBoxWidth = backdropWidth * (ellipsemask->width / 2.0f);
2363         const float halveBoxHeight = backdropHeight * (ellipsemask->height / 2.0f) * aspect;
2364
2365         float cx, cy, x1, x2, x3, x4;
2366         float y1, y2, y3, y4;
2367
2368
2369         /* keep this, saves us from a version patch */
2370         if (snode->zoom == 0.0f) snode->zoom = 1.0f;
2371
2372         glColor3f(1.0, 1.0, 1.0);
2373
2374         cx  = x + snode->zoom * backdropWidth * ellipsemask->x;
2375         cy = y + snode->zoom * backdropHeight * ellipsemask->y;
2376
2377         x1 = cx - (cosine * halveBoxWidth + sine * halveBoxHeight) * snode->zoom;
2378         x2 = cx - (cosine * -halveBoxWidth + sine * halveBoxHeight) * snode->zoom;
2379         x3 = cx - (cosine * -halveBoxWidth + sine * -halveBoxHeight) * snode->zoom;
2380         x4 = cx - (cosine * halveBoxWidth + sine * -halveBoxHeight) * snode->zoom;
2381         y1 = cy - (-sine * halveBoxWidth + cosine * halveBoxHeight) * snode->zoom;
2382         y2 = cy - (-sine * -halveBoxWidth + cosine * halveBoxHeight) * snode->zoom;
2383         y3 = cy - (-sine * -halveBoxWidth + cosine * -halveBoxHeight) * snode->zoom;
2384         y4 = cy - (-sine * halveBoxWidth + cosine * -halveBoxHeight) * snode->zoom;
2385
2386         glBegin(GL_LINE_LOOP);
2387
2388         glVertex2f(x1, y1);
2389         glVertex2f(x2, y2);
2390         glVertex2f(x3, y3);
2391         glVertex2f(x4, y4);
2392         glEnd();
2393 }
2394
2395 static void node_composit_buts_ellipsemask(uiLayout *layout, bContext *UNUSED(C), PointerRNA *ptr)
2396 {
2397         uiLayout *row;
2398         row = uiLayoutRow(layout, 1);
2399         uiItemR(row, ptr, "x", 0, NULL, ICON_NONE);
2400         uiItemR(row, ptr, "y", 0, NULL, ICON_NONE);
2401         row = uiLayoutRow(layout, 1);
2402         uiItemR(row, ptr, "width", UI_ITEM_R_SLIDER, NULL, ICON_NONE);
2403         uiItemR(row, ptr, "height", UI_ITEM_R_SLIDER, NULL, ICON_NONE);
2404
2405         uiItemR(layout, ptr, "rotation", 0, NULL, ICON_NONE);
2406         uiItemR(layout, ptr, "mask_type", 0, NULL, ICON_NONE);
2407 }
2408
2409 static void node_composit_buts_viewer_but(uiLayout *layout, bContext *UNUSED(C), PointerRNA *ptr)
2410 {
2411         uiLayout *col;
2412         
2413         uiItemR(layout, ptr, "tile_order", 0, NULL, ICON_NONE);
2414         if (RNA_enum_get(ptr, "tile_order") == 0) {
2415                 col = uiLayoutColumn(layout, 1);
2416                 uiItemR(col, ptr, "center_x", 0, NULL, ICON_NONE);
2417                 uiItemR(col, ptr, "center_y", 0, NULL, ICON_NONE);
2418         }
2419 }
2420
2421 static void node_composit_buts_mask(uiLayout *layout, bContext *C, PointerRNA *ptr)
2422 {
2423         uiTemplateID(layout, C, ptr, "mask", NULL, NULL, NULL);
2424     uiItemR(layout, ptr, "smooth_mask", 0, NULL, ICON_NONE);
2425
2426 }
2427
2428 static void node_composit_buts_keyingscreen(uiLayout *layout, bContext *C, PointerRNA *ptr)
2429 {
2430         bNode *node= ptr->data;
2431
2432         uiTemplateID(layout, C, ptr, "clip", NULL, NULL, NULL);
2433
2434         if (node->id) {
2435                 MovieClip *clip = (MovieClip *) node->id;
2436                 uiLayout *col;
2437                 PointerRNA tracking_ptr;
2438
2439                 RNA_pointer_create(&clip->id, &RNA_MovieTracking, &clip->tracking, &tracking_ptr);
2440
2441                 col = uiLayoutColumn(layout, 1);
2442                 uiItemPointerR(col, ptr, "tracking_object", &tracking_ptr, "objects", "", ICON_OBJECT_DATA);
2443         }
2444 }
2445
2446 /* only once called */
2447 static void node_composit_set_butfunc(bNodeType *ntype)
2448 {
2449         switch (ntype->type) {
2450                 /* case NODE_GROUP:      note, typeinfo for group is generated... see "XXX ugly hack" */
2451
2452                 case CMP_NODE_IMAGE:
2453                         ntype->uifunc = node_composit_buts_image;
2454                         break;
2455                 case CMP_NODE_R_LAYERS:
2456                         ntype->uifunc = node_composit_buts_renderlayers;
2457                         break;
2458                 case CMP_NODE_NORMAL:
2459                         ntype->uifunc = node_buts_normal;
2460                         break;
2461                 case CMP_NODE_CURVE_VEC:
2462                         ntype->uifunc = node_buts_curvevec;
2463                         break;
2464                 case CMP_NODE_CURVE_RGB:
2465                         ntype->uifunc = node_buts_curvecol;
2466                         break;
2467                 case CMP_NODE_VALUE:
2468                         ntype->uifunc = node_buts_value;
2469                         break;
2470                 case CMP_NODE_RGB:
2471                         ntype->uifunc = node_buts_rgb;
2472                         break;
2473                 case CMP_NODE_FLIP:
2474                         ntype->uifunc = node_composit_buts_flip;
2475                         break;
2476                 case CMP_NODE_SPLITVIEWER:
2477                         ntype->uifunc = node_composit_buts_splitviewer;
2478                         break;
2479                 case CMP_NODE_MIX_RGB:
2480                         ntype->uifunc = node_buts_mix_rgb;
2481                         break;
2482                 case CMP_NODE_VALTORGB:
2483                         ntype->uifunc = node_buts_colorramp;
2484                         break;
2485                 case CMP_NODE_CROP:
2486                         ntype->uifunc = node_composit_buts_crop;
2487                         break;
2488                 case CMP_NODE_BLUR:
2489                         ntype->uifunc = node_composit_buts_blur;
2490                         break;
2491                 case CMP_NODE_DBLUR:
2492                         ntype->uifunc = node_composit_buts_dblur;
2493                         break;
2494                 case CMP_NODE_BILATERALBLUR:
2495                         ntype->uifunc = node_composit_buts_bilateralblur;
2496                         break;
2497                 case CMP_NODE_DEFOCUS:
2498                         ntype->uifunc = node_composit_buts_defocus;
2499                         break;
2500                 case CMP_NODE_GLARE:
2501                         ntype->uifunc = node_composit_buts_glare;
2502                         break;
2503                 case CMP_NODE_TONEMAP:
2504                         ntype->uifunc = node_composit_buts_tonemap;
2505                         break;
2506                 case CMP_NODE_LENSDIST:
2507                         ntype->uifunc = node_composit_buts_lensdist;
2508                         break;
2509                 case CMP_NODE_VECBLUR:
2510                         ntype->uifunc = node_composit_buts_vecblur;
2511                         break;
2512                 case CMP_NODE_FILTER:
2513                         ntype->uifunc = node_composit_buts_filter;
2514                         break;
2515                 case CMP_NODE_MAP_VALUE:
2516                         ntype->uifunc = node_composit_buts_map_value;
2517                         break;
2518                 case CMP_NODE_TIME:
2519                         ntype->uifunc = node_buts_time;
2520                         break;
2521                 case CMP_NODE_ALPHAOVER:
2522                         ntype->uifunc = node_composit_buts_alphaover;
2523                         break;
2524                 case CMP_NODE_HUE_SAT:
2525                         ntype->uifunc = node_composit_buts_hue_sat;
2526                         break;
2527                 case CMP_NODE_TEXTURE:
2528                         ntype->uifunc = node_buts_texture;
2529                         break;
2530                 case CMP_NODE_DILATEERODE:
2531                         ntype->uifunc = node_composit_buts_dilateerode;
2532                         break;
2533                 case CMP_NODE_OUTPUT_FILE:
2534                         ntype->uifunc = node_composit_buts_file_output;
2535                         ntype->uifuncbut = node_composit_buts_file_output_details;
2536                         ntype->drawinputfunc = node_draw_input_file_output;
2537                         break;
2538                 case CMP_NODE_DIFF_MATTE:
2539                         ntype->uifunc = node_composit_buts_diff_matte;
2540                         break;
2541                 case CMP_NODE_DIST_MATTE:
2542                         ntype->uifunc = node_composit_buts_distance_matte;
2543                         break;
2544                 case CMP_NODE_COLOR_SPILL:
2545                         ntype->uifunc = node_composit_buts_color_spill;
2546                         break;
2547                 case CMP_NODE_CHROMA_MATTE:
2548                         ntype->uifunc = node_composit_buts_chroma_matte;
2549                         break;
2550                 case CMP_NODE_COLOR_MATTE:
2551                         ntype->uifunc = node_composit_buts_color_matte;
2552                         break;
2553                 case CMP_NODE_SCALE:
2554                         ntype->uifunc = node_composit_buts_scale;
2555                         break;
2556                 case CMP_NODE_ROTATE:
2557                         ntype->uifunc = node_composit_buts_rotate;
2558                         break;
2559                 case CMP_NODE_CHANNEL_MATTE:
2560                         ntype->uifunc = node_composit_buts_channel_matte;
2561                         break;
2562                 case CMP_NODE_LUMA_MATTE:
2563                         ntype->uifunc = node_composit_buts_luma_matte;
2564                         break;
2565                 case CMP_NODE_MAP_UV:
2566                         ntype->uifunc = node_composit_buts_map_uv;
2567                         break;
2568                 case CMP_NODE_ID_MASK:
2569                         ntype->uifunc = node_composit_buts_id_mask;
2570                         break;
2571                 case CMP_NODE_DOUBLEEDGEMASK:
2572                         ntype->uifunc = node_composit_buts_double_edge_mask;
2573                         break;
2574                 case CMP_NODE_MATH:
2575                         ntype->uifunc = node_buts_math;
2576                         break;
2577                 case CMP_NODE_INVERT:
2578                         ntype->uifunc = node_composit_buts_invert;
2579                         break;
2580                 case CMP_NODE_PREMULKEY:
2581                         ntype->uifunc = node_composit_buts_premulkey;
2582                         break;
2583                 case CMP_NODE_VIEW_LEVELS:
2584                         ntype->uifunc = node_composit_buts_view_levels;
2585                         break;
2586                 case CMP_NODE_COLORBALANCE:
2587                         ntype->uifunc = node_composit_buts_colorbalance;
2588                         ntype->uifuncbut = node_composit_buts_colorbalance_but;
2589                         break;
2590                 case CMP_NODE_HUECORRECT:
2591                         ntype->uifunc = node_composit_buts_huecorrect;
2592                         break;
2593                 case CMP_NODE_ZCOMBINE:
2594                         ntype->uifunc = node_composit_buts_zcombine;
2595                         break;
2596                 case CMP_NODE_COMBYCCA:
2597                 case CMP_NODE_SEPYCCA:
2598                         ntype->uifunc = node_composit_buts_ycc;
2599                         break;
2600                 case CMP_NODE_MOVIECLIP:
2601                         ntype->uifunc = node_composit_buts_movieclip;
2602                         break;
2603                 case CMP_NODE_STABILIZE2D:
2604                         ntype->uifunc = node_composit_buts_stabilize2d;
2605                         break;
2606                 case CMP_NODE_TRANSFORM:
2607                         ntype->uifunc = node_composit_buts_transform;
2608                         break;
2609                 case CMP_NODE_MOVIEDISTORTION:
2610                         ntype->uifunc = node_composit_buts_moviedistortion;
2611                         break;
2612                 case CMP_NODE_COLORCORRECTION:
2613                         ntype->uifunc = node_composit_buts_colorcorrection;
2614                         ntype->uifuncbut = node_composit_buts_colorcorrection_but;
2615                         break;
2616                 case CMP_NODE_SWITCH:
2617                         ntype->uifunc = node_composit_buts_switch;
2618                         break;
2619                 case CMP_NODE_MASK_BOX:
2620                         ntype->uifunc = node_composit_buts_boxmask;
2621                         ntype->uibackdropfunc = node_composit_backdrop_boxmask;
2622                         break;
2623                 case CMP_NODE_MASK_ELLIPSE:
2624                         ntype->uifunc = node_composit_buts_ellipsemask;
2625                         ntype->uibackdropfunc = node_composit_backdrop_ellipsemask;
2626                         break;
2627                 case CMP_NODE_BOKEHIMAGE:
2628                         ntype->uifunc = node_composit_buts_bokehimage;
2629                         break;
2630                 case CMP_NODE_VIEWER:
2631                         ntype->uifunc = NULL;
2632                         ntype->uifuncbut = node_composit_buts_viewer_but;
2633                         ntype->uibackdropfunc = node_composit_backdrop_viewer;
2634                         break;
2635                 case CMP_NODE_MASK:
2636                         ntype->uifunc= node_composit_buts_mask;
2637                         break;
2638                 case CMP_NODE_KEYINGSCREEN:
2639                         ntype->uifunc = node_composit_buts_keyingscreen;
2640                         break;
2641                 default:
2642                         ntype->uifunc = NULL;
2643         }
2644 }
2645
2646 /* ****************** BUTTON CALLBACKS FOR TEXTURE NODES ***************** */
2647
2648 static void node_texture_buts_bricks(uiLayout *layout, bContext *UNUSED(C), PointerRNA *ptr)
2649 {
2650         uiLayout *col;
2651         
2652         col = uiLayoutColumn(layout, 1);
2653         uiItemR(col, ptr, "offset", 0, IFACE_("Offset"), ICON_NONE);
2654         uiItemR(col, ptr, "offset_frequency", 0, IFACE_("Frequency"), ICON_NONE);
2655         
2656         col = uiLayoutColumn(layout, 1);
2657         uiItemR(col, ptr, "squash", 0, IFACE_("Squash"), ICON_NONE);
2658         uiItemR(col, ptr, "squash_frequency", 0, IFACE_("Frequency"), ICON_NONE);
2659 }
2660
2661 static void node_texture_buts_proc(uiLayout *layout, bContext *UNUSED(C), PointerRNA *ptr)
2662 {
2663         PointerRNA tex_ptr;
2664         bNode *node = ptr->data;
2665         ID *id = ptr->id.data;
2666         Tex *tex = (Tex *)node->storage;
2667         uiLayout *col, *row;
2668         
2669         RNA_pointer_create(id, &RNA_Texture, tex, &tex_ptr);
2670
2671         col = uiLayoutColumn(layout, 0);
2672
2673         switch (tex->type) {
2674                 case TEX_BLEND:
2675                         uiItemR(col, &tex_ptr, "progression", 0, "", ICON_NONE);
2676                         row = uiLayoutRow(col, 0);
2677                         uiItemR(row, &tex_ptr, "use_flip_axis", UI_ITEM_R_EXPAND, NULL, ICON_NONE);
2678                         break;
2679
2680                 case TEX_MARBLE:
2681                         row = uiLayoutRow(col, 0);
2682                         uiItemR(row, &tex_ptr, "marble_type", UI_ITEM_R_EXPAND, NULL, ICON_NONE);
2683                         row = uiLayoutRow(col, 0);
2684                         uiItemR(row, &tex_ptr, "noise_type", UI_ITEM_R_EXPAND, NULL, ICON_NONE);
2685                         row = uiLayoutRow(col, 0);
2686                         uiItemR(row, &tex_ptr, "noise_basis", 0, "", ICON_NONE);
2687                         row = uiLayoutRow(col, 0);
2688                         uiItemR(row, &tex_ptr, "noise_basis_2", UI_ITEM_R_EXPAND, NULL, ICON_NONE);
2689                         break;
2690
2691                 case TEX_MAGIC:
2692                         uiItemR(col, &tex_ptr, "noise_depth", 0, NULL, ICON_NONE);
2693                         break;
2694
2695                 case TEX_STUCCI:
2696                         row = uiLayoutRow(col, 0);
2697                         uiItemR(row, &tex_ptr, "stucci_type", UI_ITEM_R_EXPAND, NULL, ICON_NONE);
2698                         row = uiLayoutRow(col, 0);
2699                         uiItemR(row, &tex_ptr, "noise_type", UI_ITEM_R_EXPAND, NULL, ICON_NONE);
2700                         uiItemR(col, &tex_ptr, "noise_basis", 0, "", ICON_NONE);
2701                         break;
2702
2703                 case TEX_WOOD:
2704                         uiItemR(col, &tex_ptr, "noise_basis", 0, "", ICON_NONE);
2705                         uiItemR(col, &tex_ptr, "wood_type", 0, "", ICON_NONE);
2706                         row = uiLayoutRow(col, 0);
2707                         uiItemR(row, &tex_ptr, "noise_basis_2", UI_ITEM_R_EXPAND, NULL, ICON_NONE);
2708                         row = uiLayoutRow(col, 0);
2709                         uiLayoutSetActive(row, !(RNA_enum_get(&tex_ptr, "wood_type") == TEX_BAND || RNA_enum_get(&tex_ptr, "wood_type") == TEX_RING));
2710                         uiItemR(row, &tex_ptr, "noise_type", UI_ITEM_R_EXPAND, NULL, ICON_NONE);
2711                         break;
2712                         
2713                 case TEX_CLOUDS:
2714                         uiItemR(col, &tex_ptr, "noise_basis", 0, "", ICON_NONE);
2715                         row = uiLayoutRow(col, 0);
2716                         uiItemR(row, &tex_ptr, "cloud_type", UI_ITEM_R_EXPAND, NULL, ICON_NONE);
2717                         row = uiLayoutRow(col, 0);
2718                         uiItemR(row, &tex_ptr, "noise_type", UI_ITEM_R_EXPAND, NULL, ICON_NONE);
2719                         uiItemR(col, &tex_ptr, "noise_depth", UI_ITEM_R_EXPAND, IFACE_("Depth"), ICON_NONE);
2720                         break;
2721                         
2722                 case TEX_DISTNOISE:
2723                         uiItemR(col, &tex_ptr, "noise_basis", 0, "", ICON_NONE);
2724                         uiItemR(col, &tex_ptr, "noise_distortion", 0, "", ICON_NONE);
2725                         break;
2726
2727                 case TEX_MUSGRAVE:
2728                         uiItemR(col, &tex_ptr, "musgrave_type", 0, "", ICON_NONE);
2729                         uiItemR(col, &tex_ptr, "noise_basis", 0, "", ICON_NONE);
2730                         break;
2731                 case TEX_VORONOI:
2732                         uiItemR(col, &tex_ptr, "distance_metric", 0, "", ICON_NONE);
2733                         if (tex->vn_distm == TEX_MINKOVSKY) {
2734                                 uiItemR(col, &tex_ptr, "minkovsky_exponent", 0, NULL, ICON_NONE);
2735                         }
2736                         uiItemR(col, &tex_ptr, "color_mode", 0, "", ICON_NONE);
2737                         break;
2738         }
2739 }
2740
2741 static void node_texture_buts_image(uiLayout *layout, bContext *C, PointerRNA *ptr)
2742 {
2743         uiTemplateID(layout, C, ptr, "image", NULL, "IMAGE_OT_open", NULL);
2744 }
2745
2746 static void node_texture_buts_output(uiLayout *layout, bContext *UNUSED(C), PointerRNA *ptr)
2747 {
2748         uiItemR(layout, ptr, "filepath", 0, "", ICON_NONE);
2749 }
2750
2751 /* only once called */
2752 static void node_texture_set_butfunc(bNodeType *ntype)
2753 {
2754         if (ntype->type >= TEX_NODE_PROC && ntype->type < TEX_NODE_PROC_MAX) {
2755                 ntype->uifunc = node_texture_buts_proc;
2756         }
2757         else {
2758                 switch (ntype->type) {
2759
2760                         case TEX_NODE_MATH:
2761                                 ntype->uifunc = node_buts_math;
2762                                 break;
2763
2764                         case TEX_NODE_MIX_RGB:
2765                                 ntype->uifunc = node_buts_mix_rgb;
2766                                 break;
2767
2768                         case TEX_NODE_VALTORGB:
2769                                 ntype->uifunc = node_buts_colorramp;
2770                                 break;
2771
2772                         case TEX_NODE_CURVE_RGB:
2773                                 ntype->uifunc = node_buts_curvecol;
2774                                 break;
2775
2776                         case TEX_NODE_CURVE_TIME:
2777                                 ntype->uifunc = node_buts_time;
2778                                 break;
2779
2780                         case TEX_NODE_TEXTURE:
2781                                 ntype->uifunc = node_buts_texture;
2782                                 break;
2783
2784                         case TEX_NODE_BRICKS:
2785                                 ntype->uifunc = node_texture_buts_bricks;
2786                                 break;
2787
2788                         case TEX_NODE_IMAGE:
2789                                 ntype->uifunc = node_texture_buts_image;
2790                                 break;
2791
2792                         case TEX_NODE_OUTPUT:
2793                                 ntype->uifunc = node_texture_buts_output;
2794                                 break;
2795                 }
2796         }
2797 }
2798
2799 /* ******* init draw callbacks for all tree types, only called in usiblender.c, once ************* */
2800
2801 void ED_init_node_butfuncs(void)
2802 {
2803         bNodeTreeType *treetype;
2804         bNodeType *ntype;
2805         bNodeSocketType *stype;
2806         int i;
2807         
2808         /* node type ui functions */
2809         for (i = 0; i < NUM_NTREE_TYPES; ++i) {
2810                 treetype = ntreeGetType(i);
2811                 if (treetype) {
2812                         for (ntype = treetype->node_types.first; ntype; ntype = ntype->next) {
2813                                 /* default ui functions */
2814                                 ntype->drawfunc = node_draw_default;
2815                                 ntype->drawupdatefunc = node_update_default;
2816                                 ntype->select_area_func = node_select_area_default;
2817                                 ntype->tweak_area_func = node_tweak_area_default;
2818                                 ntype->uifunc = NULL;
2819                                 ntype->uifuncbut = NULL;
2820                                 ntype->drawinputfunc = node_draw_input_default;
2821                                 ntype->drawoutputfunc = node_draw_output_default;
2822                                 ntype->resize_area_func = node_resize_area_default;
2823                                 
2824                                 node_common_set_butfunc(ntype);
2825                                 
2826                                 switch (i) {
2827                                         case NTREE_COMPOSIT:
2828                                                 node_composit_set_butfunc(ntype);
2829                                                 break;
2830                                         case NTREE_SHADER:
2831                                                 node_shader_set_butfunc(ntype);
2832                                                 break;
2833                                         case NTREE_TEXTURE:
2834                                                 node_texture_set_butfunc(ntype);
2835                                                 break;
2836                                 }
2837                         }
2838                 }
2839         }
2840         
2841         /* socket type ui functions */
2842         for (i = 0; i < NUM_SOCKET_TYPES; ++i) {
2843                 stype = ntreeGetSocketType(i);
2844                 if (stype) {
2845                         switch (stype->type) {
2846                                 case SOCK_FLOAT:
2847                                 case SOCK_INT:
2848                                 case SOCK_BOOLEAN:
2849                                         stype->buttonfunc = node_socket_button_default;
2850                                         break;
2851                                 case SOCK_VECTOR:
2852                                         stype->buttonfunc = node_socket_button_components;
2853                                         break;
2854                                 case SOCK_RGBA:
2855                                         stype->buttonfunc = node_socket_button_color;
2856                                         break;
2857                                 case SOCK_SHADER:
2858                                         stype->buttonfunc = node_socket_button_label;
2859                                         break;
2860                                 default:
2861                                         stype->buttonfunc = NULL;
2862                         }
2863                 }
2864         }
2865 }
2866
2867 /* ************** Generic drawing ************** */
2868
2869 void draw_nodespace_back_pix(ARegion *ar, SpaceNode *snode, int color_manage)
2870 {
2871         
2872         if ((snode->flag & SNODE_BACKDRAW) && snode->treetype == NTREE_COMPOSIT) {
2873                 Image *ima = BKE_image_verify_viewer(IMA_TYPE_COMPOSITE, "Viewer Node");
2874                 void *lock;
2875                 ImBuf *ibuf = BKE_image_acquire_ibuf(ima, NULL, &lock);
2876                 if (ibuf) {
2877                         float x, y; 
2878                         
2879                         glMatrixMode(GL_PROJECTION);
2880                         glPushMatrix();
2881                         glMatrixMode(GL_MODELVIEW);
2882                         glPushMatrix();
2883
2884                         /* keep this, saves us from a version patch */
2885                         if (snode->zoom == 0.0f) snode->zoom = 1.0f;
2886                         
2887                         /* somehow the offset has to be calculated inverse */
2888                         
2889                         glaDefine2DArea(&ar->winrct);
2890                         /* ortho at pixel level curarea */
2891                         wmOrtho2(-0.375, ar->winx - 0.375, -0.375, ar->winy - 0.375);
2892                         
2893                         x = (ar->winx - snode->zoom * ibuf->x) / 2 + snode->xof;
2894                         y = (ar->winy - snode->zoom * ibuf->y) / 2 + snode->yof;
2895                         
2896                         if (!ibuf->rect) {
2897                                 if (color_manage)
2898                                         ibuf->profile = IB_PROFILE_LINEAR_RGB;
2899                                 else
2900                                         ibuf->profile = IB_PROFILE_NONE;
2901                                 IMB_rect_from_float(ibuf);
2902                         }
2903
2904                         if (ibuf->rect) {
2905                                 if (snode->flag & SNODE_SHOW_ALPHA) {
2906                                         glPixelZoom(snode->zoom, snode->zoom);
2907                                         /* swap bytes, so alpha is most significant one, then just draw it as luminance int */
2908                                         if (ENDIAN_ORDER == B_ENDIAN)
2909                                                 glPixelStorei(GL_UNPACK_SWAP_BYTES, 1);
2910                                         
2911                                         glaDrawPixelsSafe(x, y, ibuf->x, ibuf->y, ibuf->x, GL_LUMINANCE, GL_UNSIGNED_INT, ibuf->rect);
2912                                         
2913                                         glPixelStorei(GL_UNPACK_SWAP_BYTES, 0);
2914                                         glPixelZoom(1.0f, 1.0f);
2915                                 }
2916                                 else if (snode->flag & SNODE_USE_ALPHA) {
2917                                         glEnable(GL_BLEND);
2918                                         glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
2919                                         glPixelZoom(snode->zoom, snode->zoom);
2920                                         
2921                                         glaDrawPixelsSafe(x, y, ibuf->x, ibuf->y, ibuf->x, GL_RGBA, GL_UNSIGNED_BYTE, ibuf->rect);
2922                                         
2923                                         glPixelZoom(1.0f, 1.0f);
2924                                         glDisable(GL_BLEND);
2925                                 }
2926                                 else {
2927                                         glPixelZoom(snode->zoom, snode->zoom);
2928                                         
2929                                         glaDrawPixelsSafe(x, y, ibuf->x, ibuf->y, ibuf->x, GL_RGBA, GL_UNSIGNED_BYTE, ibuf->rect);
2930                                         
2931                                         glPixelZoom(1.0f, 1.0f);
2932                                 }
2933                         }
2934
2935                         /// @note draw selected info on backdrop
2936                         if (snode->edittree) {
2937                                 bNode *node = snode->edittree->nodes.first;
2938                                 while (node) {
2939                                         if (node->flag & NODE_SELECT) {
2940                                                 if (node->typeinfo->uibackdropfunc) {
2941                                                         node->typeinfo->uibackdropfunc(snode, ibuf, node, x, y);
2942                                                 }
2943                                         }
2944                                         node = node->next;
2945                                 }
2946                         }
2947                         
2948                         glMatrixMode(GL_PROJECTION);
2949                         glPopMatrix();
2950                         glMatrixMode(GL_MODELVIEW);
2951                         glPopMatrix();
2952                 }
2953
2954                 BKE_image_release_ibuf(ima, lock);
2955         }
2956 }
2957
2958 #if 0
2959 /* note: needs to be userpref or opengl profile option */
2960 static void draw_nodespace_back_tex(ScrArea *sa, SpaceNode *snode)
2961 {
2962
2963         draw_nodespace_grid(snode);
2964         
2965         if (snode->flag & SNODE_BACKDRAW) {
2966                 Image *ima = BKE_image_verify_viewer(IMA_TYPE_COMPOSITE, "Viewer Node");
2967                 ImBuf *ibuf = BKE_image_get_ibuf(ima, NULL);
2968                 if (ibuf) {
2969                         int x, y;
2970                         float zoom = 1.0;
2971
2972                         glMatrixMode(GL_PROJECTION);
2973                         glPushMatrix();
2974                         glMatrixMode(GL_MODELVIEW);
2975                         glPushMatrix();
2976                         
2977                         glaDefine2DArea(&sa->winrct);
2978
2979                         if (ibuf->x > sa->winx || ibuf->y > sa->winy) {
2980                                 float zoomx, zoomy;
2981                                 zoomx = (float)sa->winx / ibuf->x;
2982                                 zoomy = (float)sa->winy / ibuf->y;
2983                                 zoom = MIN2(zoomx, zoomy);
2984                         }
2985                         
2986                         x = (sa->winx - zoom * ibuf->x) / 2 + snode->xof;
2987                         y = (sa->winy - zoom * ibuf->y) / 2 + snode->yof;
2988
2989                         glPixelZoom(zoom, zoom);
2990
2991                         glColor4f(1.0, 1.0, 1.0, 1.0);
2992                         if (ibuf->rect)
2993                                 glaDrawPixelsTex(x, y, ibuf->x, ibuf->y, GL_UNSIGNED_BYTE, ibuf->rect);
2994                         else if (ibuf->channels == 4)
2995                                 glaDrawPixelsTex(x, y, ibuf->x, ibuf->y, GL_FLOAT, ibuf->rect_float);
2996
2997                         glPixelZoom(1.0, 1.0);
2998
2999                         glMatrixMode(GL_PROJECTION);
3000                         glPopMatrix();
3001                         glMatrixMode(GL_MODELVIEW);
3002                         glPopMatrix();
3003                 }
3004         }
3005 }
3006 #endif
3007
3008 /* if v2d not NULL, it clips and returns 0 if not visible */
3009 int node_link_bezier_points(View2D *v2d, SpaceNode *snode, bNodeLink *link, float coord_array[][2], int resol)
3010 {
3011         float dist, vec[4][2];
3012         float deltax, deltay;
3013         int toreroute, fromreroute;
3014         /* in v0 and v3 we put begin/end points */
3015         if (link->fromsock) {
3016                 vec[0][0] = link->fromsock->locx;
3017                 vec[0][1] = link->fromsock->locy;
3018                 fromreroute = (link->fromnode && link->fromnode->type == NODE_REROUTE);
3019         }
3020         else {
3021                 if (snode == NULL) return 0;
3022                 vec[0][0] = snode->mx;
3023                 vec[0][1] = snode->my;
3024                 fromreroute = 0;
3025         }
3026         if (link->tosock) {
3027                 vec[3][0] = link->tosock->locx;
3028                 vec[3][1] = link->tosock->locy;
3029                 toreroute = (link->tonode && link->tonode->type == NODE_REROUTE);
3030         }
3031         else {
3032                 if (snode == NULL) return 0;
3033                 vec[3][0] = snode->mx;
3034                 vec[3][1] = snode->my;
3035                 toreroute = 0;
3036         }
3037
3038         dist = UI_GetThemeValue(TH_NODE_CURVING) * 0.10f * ABS(vec[0][0] - vec[3][0]);
3039         deltax = vec[3][0] - vec[0][0];
3040         deltay = vec[3][1] - vec[0][1];
3041         /* check direction later, for top sockets */
3042         if (fromreroute) {
3043                 if (ABS(deltax)>ABS(deltay)) {
3044                         vec[1][1]= vec[0][1];
3045                         vec[1][0]= vec[0][0]+(deltax>0?dist:-dist);
3046                 } else {
3047                         vec[1][0]= vec[0][0];
3048                         vec[1][1]= vec[0][1]+(deltay>0?dist:-dist);
3049                 }
3050         } else {
3051                 vec[1][0] = vec[0][0] + dist;
3052                 vec[1][1] = vec[0][1];
3053         }
3054         if (toreroute) {
3055                 if (ABS(deltax)>ABS(deltay)) {
3056                         vec[2][1]= vec[3][1];
3057                         vec[2][0]= vec[3][0]+ (deltax>0?-dist:dist);
3058                 } else {
3059                         vec[2][0]= vec[3][0];
3060                         vec[2][1]= vec[3][1]+(deltay>0?-dist:dist);
3061                 }
3062
3063         } else {
3064                 vec[2][0] = vec[3][0] - dist;
3065                 vec[2][1] = vec[3][1];
3066         }
3067         if (v2d && MIN4(vec[0][0], vec[1][0], vec[2][0], vec[3][0]) > v2d->cur.xmax) ;  /* clipped */
3068         else if (v2d && MAX4(vec[0][0], vec[1][0], vec[2][0], vec[3][0]) < v2d->cur.xmin) ;  /* clipped */
3069         else {
3070                 
3071                 /* always do all three, to prevent data hanging around */
3072                 BKE_curve_forward_diff_bezier(vec[0][0], vec[1][0], vec[2][0], vec[3][0], coord_array[0], resol, sizeof(float) * 2);
3073                 BKE_curve_forward_diff_bezier(vec[0][1], vec[1][1], vec[2][1], vec[3][1], coord_array[0] + 1, resol, sizeof(float) * 2);
3074                 
3075                 return 1;
3076         }
3077         return 0;
3078 }
3079
3080 #define LINK_RESOL  24
3081 #define LINK_ARROW      12      /* position of arrow on the link, LINK_RESOL/2 */
3082 #define ARROW_SIZE 7
3083 void node_draw_link_bezier(View2D *v2d, SpaceNode *snode, bNodeLink *link, int th_col1, int do_shaded, int th_col2, int do_triple, int th_col3)
3084 {
3085         float coord_array[LINK_RESOL + 1][2];
3086         
3087         if (node_link_bezier_points(v2d, snode, link, coord_array, LINK_RESOL)) {
3088                 float dist, spline_step = 0.0f;
3089                 int i;
3090                 int drawarrow;
3091                 /* store current linewidth */
3092                 float linew;
3093                 float arrow[2], arrow1[2], arrow2[2];
3094                 glGetFloatv(GL_LINE_WIDTH, &linew);
3095                 
3096                 /* we can reuse the dist variable here to increment the GL curve eval amount*/
3097                 dist = 1.0f / (float)LINK_RESOL;
3098                 
3099                 glEnable(GL_LINE_SMOOTH);
3100                 
3101                 drawarrow = (link->tonode && (link->tonode->type == NODE_REROUTE)) && (link->fromnode && (link->fromnode->type == NODE_REROUTE));
3102                 if (drawarrow) {
3103                         // draw arrow in line segment LINK_ARROW
3104                         float dx, dy, len;
3105                         dx = coord_array[LINK_ARROW][0]-coord_array[LINK_ARROW-1][0];
3106                         dy = coord_array[LINK_ARROW][1]-coord_array[LINK_ARROW-1][1];
3107