GODOT IS OPEN SOURCE

core/io/image_loader.cpp

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+/*************************************************************************/
+/*  image_loader.cpp                                                     */
+/*************************************************************************/
+/*                       This file is part of:                           */
+/*                           GODOT ENGINE                                */
+/*                    http://www.godotengine.org                         */
+/*************************************************************************/
+/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur.                 */
+/*                                                                       */
+/* 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.extension())==0)
+			return true;
+	}
+	
+	return false;
+}
+
+Error ImageLoader::load_image(String p_file,Image *p_image, FileAccess *p_custom) {
+
+
+	FileAccess *f=p_custom;
+	if (!f) {
+		Error err;
+		f=FileAccess::open(p_file,FileAccess::READ,&err);
+		if (!f)
+			return err;
+	}
+				
+	String extension = p_file.extension();
+
+
+	for (int i=0;i<loader_count;i++) {
+	
+		if (!loader[i]->recognize(extension))
+			continue;
+		Error err = loader[i]->load_image(p_image,f);
+		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;
+}
+
+
+