mirror of
https://github.com/kichikuou/system3-sdl2.git
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kichikuou
bdb93bf7ed
Centralize the differences between SDL2 and SDL3 behind compatibility interfaces and select the appropriate implementations with the SYSTEM3_SDL_VERSION CMake option. The default is SDL2 except on Android, which supports only SDL3.
43 lines
947 B
C++
43 lines
947 B
C++
/*
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ALICE SOFT SYSTEM 3 for Win32
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[ CG ]
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*/
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#ifndef _CG_H_
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#define _CG_H_
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#include <memory>
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#include "sdl_compat.h"
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#include "common.h"
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inline uint8_t* surface_line(SDL_Surface* surface, int y)
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{
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return static_cast<uint8*>(surface->pixels) + surface->pitch * y;
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}
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struct SurfaceDeleter {
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void operator()(SDL_Surface* s) const noexcept {
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if (s) sdl::DestroySurface(s);
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}
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};
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struct CG {
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std::unique_ptr<SDL_Surface, SurfaceDeleter> surface_;
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int x;
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int y;
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CG() = default;
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CG(int x, int y, int width, int height)
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: surface_(sdl::CreateSurface(width, height, SDL_PIXELFORMAT_INDEX8)),
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x(x), y(y) {}
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explicit operator bool() const noexcept { return static_cast<bool>(surface_); }
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SDL_Surface* surface() const { return surface_.get(); }
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int width() const { return surface_->w; }
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int height() const { return surface_->h; }
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SDL_Palette* palette() const { return sdl::GetSurfacePalette(surface_.get()); }
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};
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#endif // _CG_H_
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