pandemonium_engine_minimal/core/io/image_loader.h

55 lines
1.7 KiB
C++

#ifndef IMAGE_LOADER_H
#define IMAGE_LOADER_H
/* image_loader.h */
#include "core/io/image.h"
#include "core/io/resource_loader.h"
#include "core/containers/list.h"
#include "core/os/file_access.h"
#include "core/string/ustring.h"
class ImageLoader;
class ImageFormatLoader {
friend class ImageLoader;
friend class ResourceFormatLoaderImage;
protected:
virtual Error load_image(Ref<Image> p_image, FileAccess *p_fileaccess, bool p_force_linear, float p_scale) = 0;
virtual void get_recognized_extensions(List<String> *p_extensions) const = 0;
bool recognize(const String &p_extension) const;
public:
virtual ~ImageFormatLoader() {}
};
class ImageLoader {
static Vector<ImageFormatLoader *> loader;
friend class ResourceFormatLoaderImage;
protected:
public:
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);
static void get_recognized_extensions(List<String> *p_extensions);
static ImageFormatLoader *recognize(const String &p_extension);
static void add_image_format_loader(ImageFormatLoader *p_loader);
static void remove_image_format_loader(ImageFormatLoader *p_loader);
static const Vector<ImageFormatLoader *> &get_image_format_loaders();
static void cleanup();
};
class ResourceFormatLoaderImage : public ResourceFormatLoader {
public:
virtual RES load(const String &p_path, const String &p_original_path = "", Error *r_error = NULL, bool p_no_subresource_cache = false);
virtual void get_recognized_extensions(List<String> *p_extensions) const;
virtual bool handles_type(const String &p_type) const;
virtual String get_resource_type(const String &p_path) const;
};
#endif