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/*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
/** \file
* \ingroup collada
*/
#include "COLLADABUURI.h"
#include "COLLADASWImage.h"
extern "C" {
#include "DNA_texture_types.h"
#include "DNA_image_types.h"
#include "DNA_meshdata_types.h"
#include "BKE_customdata.h"
#include "BKE_global.h"
#include "BKE_image.h"
#include "BKE_main.h"
#include "BKE_mesh.h"
#include "BLI_fileops.h"
#include "BLI_path_util.h"
#include "BLI_string.h"
#include "IMB_imbuf_types.h"
}
#include "ImageExporter.h"
#include "MaterialExporter.h"
ImagesExporter::ImagesExporter(COLLADASW::StreamWriter *sw,
BCExportSettings &export_settings,
KeyImageMap &key_image_map)
: COLLADASW::LibraryImages(sw), export_settings(export_settings), key_image_map(key_image_map)
{
/* pass */
}
void ImagesExporter::export_UV_Image(Image *image, bool use_copies)
{
std::string name(id_name(image));
std::string translated_name(translate_id(name));
ImBuf *imbuf = BKE_image_acquire_ibuf(image, NULL, NULL);
if (!imbuf) {
fprintf(stderr, "Collada export: image does not exist:\n%s\n", image->name);
return;
}
bool is_dirty = BKE_image_is_dirty(image);
ImageFormatData imageFormat;
BKE_imbuf_to_image_format(&imageFormat, imbuf);
short image_source = image->source;
bool is_generated = image_source == IMA_SRC_GENERATED;
bool is_packed = BKE_image_has_packedfile(image);
char export_path[FILE_MAX];
char source_path[FILE_MAX];
char export_dir[FILE_MAX];
char export_file[FILE_MAX];
/* Destination folder for exported assets */
BLI_split_dir_part(this->export_settings.get_filepath(), export_dir, sizeof(export_dir));
if (is_generated || is_dirty || use_copies || is_packed) {
/* make absolute destination path */
BLI_strncpy(export_file, name.c_str(), sizeof(export_file));
BKE_image_path_ensure_ext_from_imformat(export_file, &imageFormat);
BLI_join_dirfile(export_path, sizeof(export_path), export_dir, export_file);
/* make dest directory if it doesn't exist */
BLI_make_existing_file(export_path);
}
if (is_generated || is_dirty || is_packed) {
/* This image in its current state only exists in Blender memory.
* So we have to export it. The export will keep the image state intact,
* so the exported file will not be associated with the image. */
if (BKE_imbuf_write_as(imbuf, export_path, &imageFormat, true) == 0) {
fprintf(stderr, "Collada export: Cannot export image to:\n%s\n", export_path);
return;
}
BLI_strncpy(export_path, export_file, sizeof(export_path));
}
else {
/* make absolute source path */
BLI_strncpy(source_path, image->name, sizeof(source_path));
BLI_path_abs(source_path, BKE_main_blendfile_path_from_global());
BLI_cleanup_path(NULL, source_path);
if (use_copies) {
/* This image is already located on the file system.
* But we want to create copies here.
* To move images into the same export directory.
* Note: If an image is already located in the export folder,
* then skip the copy (as it would result in a file copy error). */
if (BLI_path_cmp(source_path, export_path) != 0) {
if (BLI_copy(source_path, export_path) != 0) {
fprintf(stderr,
"Collada export: Cannot copy image:\n source:%s\ndest :%s\n",
source_path,
export_path);
return;
}
}
BLI_strncpy(export_path, export_file, sizeof(export_path));
}
else {
/* Do not make any copies, but use the source path directly as reference
* to the original image */
BLI_strncpy(export_path, source_path, sizeof(export_path));
}
}
/* Set name also to mNameNC.
* This helps other viewers import files exported from Blender better. */
COLLADASW::Image img(COLLADABU::URI(COLLADABU::URI::nativePathToUri(export_path)),
translated_name,
translated_name);
img.add(mSW);
fprintf(stdout, "Collada export: Added image: %s\n", export_file);
BKE_image_release_ibuf(image, imbuf, NULL);
}
void ImagesExporter::exportImages(Scene *sce)
{
bool use_texture_copies = this->export_settings.get_use_texture_copies();
openLibrary();
KeyImageMap::iterator iter;
for (iter = key_image_map.begin(); iter != key_image_map.end(); iter++) {
Image *image = iter->second;
std::string uid(id_name(image));
std::string key = translate_id(uid);
export_UV_Image(image, use_texture_copies);
}
closeLibrary();
}
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