Collada: commented out code was previously left over with an unresolved conflict...
[blender.git] / source / blender / collada / ImageExporter.cpp
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  * Contributor(s): Chingiz Dyussenov, Arystanbek Dyussenov, Jan Diederich, Tod Liverseed,
19  *                 Nathan Letwory
20  *
21  * ***** END GPL LICENSE BLOCK *****
22  */
23
24 /** \file blender/collada/ImageExporter.cpp
25  *  \ingroup collada
26  */
27
28
29 #include "COLLADABUURI.h"
30 #include "COLLADASWImage.h"
31
32 extern "C" {
33 #include "DNA_texture_types.h"
34 #include "DNA_image_types.h"
35 #include "DNA_meshdata_types.h"
36
37 #include "BKE_customdata.h" 
38 #include "BKE_global.h"
39 #include "BKE_image.h"
40 #include "BKE_main.h"
41 #include "BKE_mesh.h"
42 #include "BLI_fileops.h"
43 #include "BLI_path_util.h"
44 #include "BLI_string.h"
45 #include "IMB_imbuf_types.h"
46 }
47
48 #include "ImageExporter.h"
49 #include "MaterialExporter.h"
50
51
52 ImagesExporter::ImagesExporter(COLLADASW::StreamWriter *sw, const ExportSettings *export_settings) : COLLADASW::LibraryImages(sw), export_settings(export_settings)
53 {
54 }
55
56 void ImagesExporter::export_UV_Image(Image *image, bool use_copies) 
57 {
58         std::string name(id_name(image));
59         std::string translated_name(translate_id(name));
60         bool not_yet_exported = find(mImages.begin(), mImages.end(), translated_name) == mImages.end();
61
62         if (not_yet_exported) {
63
64                 ImBuf *imbuf       = BKE_image_acquire_ibuf(image, NULL, NULL);
65                 if (!imbuf) {
66                         fprintf(stderr, "Collada export: image does not exist:\n%s\n", image->name);
67                         return;
68                 }
69
70                 bool  is_dirty     = (imbuf->userflags & IB_BITMAPDIRTY) != 0;
71
72                 ImageFormatData imageFormat;
73                 BKE_imbuf_to_image_format(&imageFormat, imbuf);
74
75                 short image_source = image->source;
76                 bool  is_generated = image_source == IMA_SRC_GENERATED;
77                 bool  is_packed    = BKE_image_has_packedfile(image);
78
79                 char export_path[FILE_MAX];
80                 char source_path[FILE_MAX];
81                 char export_dir[FILE_MAX];
82                 char export_file[FILE_MAX];
83
84                 // Destination folder for exported assets
85                 BLI_split_dir_part(this->export_settings->filepath, export_dir, sizeof(export_dir));
86
87                 if (is_generated || is_dirty || use_copies || is_packed) {
88
89                         // make absolute destination path
90
91                         BLI_strncpy(export_file, name.c_str(), sizeof(export_file));
92                         BKE_image_path_ensure_ext_from_imformat(export_file, &imageFormat);
93
94                         BLI_join_dirfile(export_path, sizeof(export_path), export_dir, export_file);
95
96                         // make dest directory if it doesn't exist
97                         BLI_make_existing_file(export_path);
98                 }
99
100                 if (is_generated || is_dirty || is_packed) {
101
102                         // This image in its current state only exists in Blender memory.
103                         // So we have to export it. The export will keep the image state intact,
104                         // so the exported file will not be associated with the image.
105
106                         if (BKE_imbuf_write_as(imbuf, export_path, &imageFormat, true) == 0) {
107                                 fprintf(stderr, "Collada export: Cannot export image to:\n%s\n", export_path);
108                                 return;
109                         }
110                         BLI_strncpy(export_path, export_file, sizeof(export_path));
111                 }
112                 else {
113
114                         // make absolute source path
115                         BLI_strncpy(source_path, image->name, sizeof(source_path));
116                         BLI_path_abs(source_path, G.main->name);
117                         BLI_cleanup_path(NULL, source_path);
118
119                         if (use_copies) {
120                         
121                                 // This image is already located on the file system.
122                                 // But we want to create copies here.
123                                 // To move images into the same export directory.
124                                 // Note: If an image is already located in the export folder,
125                                 // then skip the copy (as it would result in a file copy error).
126
127                                 if (BLI_path_cmp(source_path, export_path) != 0) {
128                                         if (BLI_copy(source_path, export_path) != 0) {
129                                                 fprintf(stderr, "Collada export: Cannot copy image:\n source:%s\ndest :%s\n", source_path, export_path);
130                                                 return;
131                                         }
132                                 }
133
134                                 BLI_strncpy(export_path, export_file, sizeof(export_path));
135
136                         }
137                         else {
138
139                                 // Do not make any copies, but use the source path directly as reference
140                                 // to the original image
141
142                                 BLI_strncpy(export_path, source_path, sizeof(export_path));
143                         }
144                 }
145
146                 COLLADASW::Image img(COLLADABU::URI(COLLADABU::URI::nativePathToUri(export_path)), translated_name, translated_name); /* set name also to mNameNC. This helps other viewers import files exported from Blender better */
147                 img.add(mSW);
148                 fprintf(stdout, "Collada export: Added image: %s\n", export_file);
149                 mImages.push_back(translated_name);
150
151                 BKE_image_release_ibuf(image, imbuf, NULL);
152         }
153 }
154
155 bool ImagesExporter::hasImages(Scene *sce)
156 {
157         LinkNode *node;
158         
159         for (node = this->export_settings->export_set; node; node = node->next) {
160                 Object *ob = (Object *)node->link;
161                 int a;
162                 for (a = 0; a < ob->totcol; a++) {
163                         Material *ma = give_current_material(ob, a + 1);
164
165                         // no material, but check all of the slots
166                         if (!ma) continue;
167                         int b;
168                         for (b = 0; b < MAX_MTEX; b++) {
169                                 MTex *mtex = ma->mtex[b];
170                                 if (mtex && mtex->tex && mtex->tex->ima) return true;
171                         }
172
173                 }
174         }
175         return false;
176 }
177
178 void ImagesExporter::exportImages(Scene *sce)
179 {
180         openLibrary();
181
182         MaterialFunctor mf;
183         if (this->export_settings->include_material_textures) {
184                 mf.forEachMaterialInExportSet<ImagesExporter>(sce, *this, this->export_settings->export_set);
185         }
186
187         closeLibrary();
188 }
189
190
191
192 void ImagesExporter::operator()(Material *ma, Object *ob)
193 {
194         int a;
195         bool use_texture_copies = this->export_settings->use_texture_copies;
196         for (a = 0; a < MAX_MTEX; a++) {
197                 MTex *mtex = ma->mtex[a];
198                 if (mtex && mtex->tex && mtex->tex->ima) {
199                         Image *image = mtex->tex->ima;
200                         export_UV_Image(image, use_texture_copies);
201                 }
202         }
203 }