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/*
* SDLImage.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 "../render/IImage.h"
#include "../../lib/Point.h"
VCMI_LIB_NAMESPACE_BEGIN
class JsonNode;
VCMI_LIB_NAMESPACE_END
class CDefFile;
struct SDL_Surface;
struct SDL_Palette;
/*
* Wrapper around SDL_Surface
*/
class SDLImageShared final : public ISharedImage, public std::enable_shared_from_this<SDLImageShared>, boost::noncopyable
{
//Surface without empty borders
SDL_Surface * surf = nullptr;
SDL_Palette * originalPalette = nullptr;
//size of left and top borders
Point margins;
//total size including borders
Point fullSize;
std::atomic_bool upscalingInProgress = false;
// Keep the original palette, in order to do color switching operation
void savePalette();
void optimizeSurface();
public:
//Load image from def file
SDLImageShared(const CDefFile *data, size_t frame, size_t group=0);
//Load from bitmap file
SDLImageShared(const ImagePath & filename);
//Create using existing surface, extraRef will increase refcount on SDL_Surface
SDLImageShared(SDL_Surface * from);
/// Creates image at specified scaling factor from source image
SDLImageShared(const SDLImageShared * from, int integerScaleFactor, EScalingAlgorithm algorithm);
~SDLImageShared();
void scaledDraw(SDL_Surface * where, SDL_Palette * palette, const Point & scaling, const Point & dest, const Rect * src, const ColorRGBA & colorMultiplier, uint8_t alpha, EImageBlitMode mode) const override;
void draw(SDL_Surface * where, SDL_Palette * palette, const Point & dest, const Rect * src, const ColorRGBA & colorMultiplier, uint8_t alpha, EImageBlitMode mode) const override;
void exportBitmap(const boost::filesystem::path & path, SDL_Palette * palette) const override;
Point dimensions() const override;
bool isTransparent(const Point & coords) const override;
Rect contentRect() const override;
bool isLoading() const override;
const SDL_Palette * getPalette() const override;
[[nodiscard]] std::shared_ptr<const ISharedImage> horizontalFlip() const override;
[[nodiscard]] std::shared_ptr<const ISharedImage> verticalFlip() const override;
[[nodiscard]] std::shared_ptr<const ISharedImage> scaleInteger(int factor, SDL_Palette * palette, EImageBlitMode blitMode) const override;
[[nodiscard]] std::shared_ptr<const ISharedImage> scaleTo(const Point & size, SDL_Palette * palette) const override;
friend class SDLImageLoader;
};
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