/*************************************************************************/ /* image_loader.cpp */ /*************************************************************************/ /* This file is part of: */ /* GODOT ENGINE */ /* https://godotengine.org */ /*************************************************************************/ /* Copyright (c) 2007-2018 Juan Linietsky, Ariel Manzur. */ /* Copyright (c) 2014-2018 Godot Engine contributors (cf. AUTHORS.md) */ /* */ /* Permission is hereby granted, free of charge, to any person obtaining */ /* a copy of this software and associated documentation files (the */ /* "Software"), to deal in the Software without restriction, including */ /* without limitation the rights to use, copy, modify, merge, publish, */ /* distribute, sublicense, and/or sell copies of the Software, and to */ /* permit persons to whom the Software is furnished to do so, subject to */ /* the following conditions: */ /* */ /* The above copyright notice and this permission notice shall be */ /* included in all copies or substantial portions of the Software. */ /* */ /* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */ /* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */ /* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/ /* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */ /* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */ /* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */ /* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ /*************************************************************************/ #include "image_loader.h" #include "print_string.h" bool ImageFormatLoader::recognize(const String &p_extension) const { List<String> extensions; get_recognized_extensions(&extensions); for (List<String>::Element *E = extensions.front(); E; E = E->next()) { if (E->get().nocasecmp_to(p_extension.get_extension()) == 0) return true; } return false; } Error ImageLoader::load_image(String p_file, Ref<Image> p_image, FileAccess *p_custom, bool p_force_linear, float p_scale) { ERR_FAIL_COND_V(p_image.is_null(), ERR_INVALID_PARAMETER); FileAccess *f = p_custom; if (!f) { Error err; f = FileAccess::open(p_file, FileAccess::READ, &err); if (!f) { ERR_PRINTS("Error opening file: " + p_file); return err; } } String extension = p_file.get_extension(); for (int i = 0; i < loader_count; i++) { if (!loader[i]->recognize(extension)) continue; Error err = loader[i]->load_image(p_image, f, p_force_linear, p_scale); if (err != ERR_FILE_UNRECOGNIZED) { if (!p_custom) memdelete(f); return err; } } if (!p_custom) memdelete(f); return ERR_FILE_UNRECOGNIZED; } void ImageLoader::get_recognized_extensions(List<String> *p_extensions) { for (int i = 0; i < loader_count; i++) { loader[i]->get_recognized_extensions(p_extensions); } } bool ImageLoader::recognize(const String &p_extension) { for (int i = 0; i < loader_count; i++) { if (loader[i]->recognize(p_extension)) return true; } return false; } ImageFormatLoader *ImageLoader::loader[MAX_LOADERS]; int ImageLoader::loader_count = 0; void ImageLoader::add_image_format_loader(ImageFormatLoader *p_loader) { ERR_FAIL_COND(loader_count >= MAX_LOADERS); loader[loader_count++] = p_loader; }