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