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File handling APIs are typically considered part of I/O, and we did have most `FileAccess` implementations in `core/io` already.
82 lines
3.9 KiB
C++
82 lines
3.9 KiB
C++
/*************************************************************************/
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/* image_loader.h */
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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) 2007-2021 Juan Linietsky, Ariel Manzur. */
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/* Copyright (c) 2014-2021 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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#ifndef IMAGE_LOADER_H
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#define IMAGE_LOADER_H
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#include "core/io/file_access.h"
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#include "core/io/image.h"
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#include "core/io/resource_loader.h"
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#include "core/string/ustring.h"
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#include "core/templates/list.h"
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class ImageLoader;
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class ImageFormatLoader {
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friend class ImageLoader;
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friend class ResourceFormatLoaderImage;
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protected:
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virtual Error load_image(Ref<Image> p_image, FileAccess *p_fileaccess, bool p_force_linear, float p_scale) = 0;
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virtual void get_recognized_extensions(List<String> *p_extensions) const = 0;
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bool recognize(const String &p_extension) const;
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public:
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virtual ~ImageFormatLoader() {}
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};
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class ImageLoader {
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static Vector<ImageFormatLoader *> loader;
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friend class ResourceFormatLoaderImage;
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protected:
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public:
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static Error load_image(String p_file, Ref<Image> p_image, FileAccess *p_custom = nullptr, bool p_force_linear = false, float p_scale = 1.0);
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static void get_recognized_extensions(List<String> *p_extensions);
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static ImageFormatLoader *recognize(const String &p_extension);
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static void add_image_format_loader(ImageFormatLoader *p_loader);
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static void remove_image_format_loader(ImageFormatLoader *p_loader);
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static const Vector<ImageFormatLoader *> &get_image_format_loaders();
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static void cleanup();
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};
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class ResourceFormatLoaderImage : public ResourceFormatLoader {
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public:
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virtual RES load(const String &p_path, const String &p_original_path = "", Error *r_error = nullptr, bool p_use_sub_threads = false, float *r_progress = nullptr, CacheMode p_cache_mode = CACHE_MODE_REUSE);
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virtual void get_recognized_extensions(List<String> *p_extensions) const;
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virtual bool handles_type(const String &p_type) const;
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virtual String get_resource_type(const String &p_path) const;
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};
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#endif // IMAGE_LOADER_H
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