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/*
* IRenderHandler.h, part of VCMI engine
*
* Authors: listed in file AUTHORS in main folder
*
* License: GNU General Public License v2.0 or later
* Full text of license available in license.txt file, in main folder
*
*/
#pragma once
#include "ImageLocator.h"
VCMI_LIB_NAMESPACE_BEGIN
class Services;
VCMI_LIB_NAMESPACE_END
struct SDL_Surface;
class IFont;
class IImage;
class CAnimation;
class CanvasImage;
class SDLImageShared;
enum class EImageBlitMode : uint8_t;
enum class CanvasScalingPolicy;
enum EFonts : int8_t;
class IRenderHandler : public boost::noncopyable
{
public:
virtual ~IRenderHandler() = default;
/// Must be called once VLC loading is over to initialize icons
virtual void onLibraryLoadingFinished(const Services * services) = 0;
/// Loads image using given path
virtual std::shared_ptr<IImage> loadImage(const ImageLocator & locator) = 0;
virtual std::shared_ptr<IImage> loadImage(const ImagePath & path, EImageBlitMode mode) = 0;
virtual std::shared_ptr<IImage> loadImage(const AnimationPath & path, int frame, int group, EImageBlitMode mode) = 0;
/// Loads single upscaled image without auto-scaling support
virtual std::shared_ptr<SDLImageShared> loadScaledImage(const ImageLocator & locator) = 0;
/// Creates image which can be used as target for drawing on
virtual std::shared_ptr<CanvasImage> createImage(const Point & size, CanvasScalingPolicy scalingPolicy) = 0;
/// Loads animation using given path
virtual std::shared_ptr<CAnimation> loadAnimation(const AnimationPath & path, EImageBlitMode mode) = 0;
/// Returns font with specified identifer
virtual std::shared_ptr<const IFont> loadFont(EFonts font) = 0;
virtual void exportGeneratedAssets() = 0;
};
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