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25 lines
691 B
25 lines
691 B
#pragma once |
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#include <SDL_version.h> |
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#if SDL_VERSION_ATLEAST(2, 0, 0) |
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#include <SDL_surface.h> |
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#else |
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#include <SDL_video.h> |
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#endif |
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namespace devilution { |
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/** |
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* @brief Bilinear 32-bit scaling. |
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* Requires `src` and `dst` to have the same pixel format (ARGB8888 or RGBA8888). |
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*/ |
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void BilinearScale32(SDL_Surface *src, SDL_Surface *dst); |
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/** |
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* @brief Streamlined bilinear downscaling using blended transparency table. |
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* Requires `src` and `dst` to have the same pixel format (INDEX8). |
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*/ |
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void BilinearDownscaleByHalf8(const SDL_Surface *src, const uint8_t (*paletteBlendingTable)[256], SDL_Surface *dst, uint8_t transparentIndex); |
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} // namespace devilution
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