260 lines
7.5 KiB
C++
260 lines
7.5 KiB
C++
/*
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* ***** BEGIN GPL LICENSE BLOCK *****
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* Contributor(s): Chingiz Dyussenov, Arystanbek Dyussenov, Jan Diederich, Tod Liverseed,
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* Nathan Letwory
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*
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* ***** END GPL LICENSE BLOCK *****
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*/
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/** \file blender/collada/ImageExporter.cpp
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* \ingroup collada
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*/
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#include "COLLADABUURI.h"
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#include "COLLADASWImage.h"
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extern "C" {
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#include "DNA_texture_types.h"
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#include "DNA_image_types.h"
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#include "DNA_meshdata_types.h"
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#include "BKE_customdata.h"
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#include "BKE_global.h"
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#include "BKE_image.h"
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#include "BKE_main.h"
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#include "BKE_mesh.h"
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#include "BLI_fileops.h"
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#include "BLI_path_util.h"
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#include "BLI_string.h"
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#include "IMB_imbuf_types.h"
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}
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#include "ImageExporter.h"
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#include "MaterialExporter.h"
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ImagesExporter::ImagesExporter(COLLADASW::StreamWriter *sw, const ExportSettings *export_settings) : COLLADASW::LibraryImages(sw), export_settings(export_settings)
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{
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}
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void ImagesExporter::export_UV_Image(Image *image, bool use_copies)
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{
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std::string name(id_name(image));
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std::string translated_name(translate_id(name));
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bool not_yet_exported = find(mImages.begin(), mImages.end(), translated_name) == mImages.end();
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if (not_yet_exported) {
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ImBuf *imbuf = BKE_image_acquire_ibuf(image, NULL, NULL);
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if (!imbuf) {
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fprintf(stderr, "Collada export: image does not exist:\n%s\n", image->name);
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return;
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}
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bool is_dirty = imbuf->userflags & IB_BITMAPDIRTY;
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ImageFormatData imageFormat;
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BKE_imbuf_to_image_format(&imageFormat, imbuf);
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short image_source = image->source;
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bool is_generated = image_source == IMA_SRC_GENERATED;
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bool is_packed = image->packedfile != NULL;
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char export_path[FILE_MAX];
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char source_path[FILE_MAX];
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char export_dir[FILE_MAX];
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char export_file[FILE_MAX];
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// Destination folder for exported assets
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BLI_split_dir_part(this->export_settings->filepath, export_dir, sizeof(export_dir));
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if (is_generated || is_dirty || use_copies || is_packed) {
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// make absolute destination path
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BLI_strncpy(export_file, name.c_str(), sizeof(export_file));
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BKE_add_image_extension(export_file, &imageFormat);
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BLI_join_dirfile(export_path, sizeof(export_path), export_dir, export_file);
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// make dest directory if it doesn't exist
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BLI_make_existing_file(export_path);
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}
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if (is_generated || is_dirty || is_packed) {
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// This image in its current state only exists in Blender memory.
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// So we have to export it. The export will keep the image state intact,
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// so the exported file will not be associated with the image.
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if (BKE_imbuf_write_as(imbuf, export_path, &imageFormat, true) == 0) {
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fprintf(stderr, "Collada export: Cannot export image to:\n%s\n", export_path);
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return;
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}
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BLI_strncpy(export_path, export_file, sizeof(export_path));
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}
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else {
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// make absolute source path
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BLI_strncpy(source_path, image->name, sizeof(source_path));
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BLI_path_abs(source_path, G.main->name);
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BLI_cleanup_path(NULL, source_path);
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if (use_copies) {
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// This image is already located on the file system.
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// But we want to create copies here.
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// To move images into the same export directory.
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// Note: If an image is already located in the export folder,
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// then skip the copy (as it would result in a file copy error).
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if (BLI_path_cmp(source_path, export_path) != 0) {
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if (BLI_copy(source_path, export_path) != 0) {
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fprintf(stderr, "Collada export: Cannot copy image:\n source:%s\ndest :%s\n", source_path, export_path);
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return;
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}
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}
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BLI_strncpy(export_path, export_file, sizeof(export_path));
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}
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else {
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// Do not make any copies, but use the source path directly as reference
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// to the original image
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BLI_strncpy(export_path, source_path, sizeof(export_path));
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}
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}
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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 */
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img.add(mSW);
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fprintf(stdout, "Collada export: Added image: %s\n", export_file);
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mImages.push_back(translated_name);
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BKE_image_release_ibuf(image, imbuf, NULL);
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}
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}
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void ImagesExporter::export_UV_Images()
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{
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std::set<Image *> uv_textures;
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LinkNode *node;
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bool use_texture_copies = this->export_settings->use_texture_copies;
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bool active_uv_only = this->export_settings->active_uv_only;
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for (node = this->export_settings->export_set; node; node = node->next) {
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Object *ob = (Object *)node->link;
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if (ob->type == OB_MESH && ob->totcol) {
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Mesh *me = (Mesh *) ob->data;
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BKE_mesh_tessface_ensure(me);
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int active_uv_layer = CustomData_get_active_layer_index(&me->pdata, CD_MTEXPOLY);
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for (int i = 0; i < me->pdata.totlayer; i++) {
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if (me->pdata.layers[i].type == CD_MTEXPOLY) {
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if (!active_uv_only || active_uv_layer == i)
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{
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MTexPoly *txface = (MTexPoly *)me->pdata.layers[i].data;
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for (int j = 0; j < me->totpoly; j++, txface++) {
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Image *ima = txface->tpage;
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if (ima == NULL)
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continue;
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bool not_in_list = uv_textures.find(ima) == uv_textures.end();
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if (not_in_list) {
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uv_textures.insert(ima);
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export_UV_Image(ima, use_texture_copies);
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}
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}
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}
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}
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}
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}
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}
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}
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bool ImagesExporter::hasImages(Scene *sce)
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{
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LinkNode *node;
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for (node = this->export_settings->export_set; node; node = node->next) {
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Object *ob = (Object *)node->link;
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int a;
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for (a = 0; a < ob->totcol; a++) {
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Material *ma = give_current_material(ob, a + 1);
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// no material, but check all of the slots
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if (!ma) continue;
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int b;
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for (b = 0; b < MAX_MTEX; b++) {
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MTex *mtex = ma->mtex[b];
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if (mtex && mtex->tex && mtex->tex->ima) return true;
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}
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}
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if (ob->type == OB_MESH) {
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Mesh *me = (Mesh *) ob->data;
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BKE_mesh_tessface_ensure(me);
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bool has_uvs = (bool)CustomData_has_layer(&me->fdata, CD_MTFACE);
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if (has_uvs) {
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int num_layers = CustomData_number_of_layers(&me->fdata, CD_MTFACE);
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for (int a = 0; a < num_layers; a++) {
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MTFace *tface = (MTFace *)CustomData_get_layer_n(&me->fdata, CD_MTFACE, a);
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Image *img = tface->tpage;
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if (img) return true;
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}
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}
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}
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}
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return false;
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}
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void ImagesExporter::exportImages(Scene *sce)
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{
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openLibrary();
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MaterialFunctor mf;
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if (this->export_settings->include_material_textures) {
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mf.forEachMaterialInExportSet<ImagesExporter>(sce, *this, this->export_settings->export_set);
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}
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if (this->export_settings->include_uv_textures) {
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export_UV_Images();
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}
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closeLibrary();
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}
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void ImagesExporter::operator()(Material *ma, Object *ob)
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{
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int a;
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bool use_texture_copies = this->export_settings->use_texture_copies;
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for (a = 0; a < MAX_MTEX; a++) {
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MTex *mtex = ma->mtex[a];
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if (mtex && mtex->tex && mtex->tex->ima) {
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Image *image = mtex->tex->ima;
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export_UV_Image(image, use_texture_copies);
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}
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}
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}
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