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28 lines
700 B
28 lines
700 B
2 years ago
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#include "utils/surface_to_png.hpp"
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#include <cstdio>
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#include <string>
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#include <SDL.h>
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#include <expected.hpp>
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#include "engine/surface.hpp"
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namespace devilution {
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extern "C" int IMG_SavePNG_RW(SDL_Surface *surface, SDL_RWops *dst, int freedst);
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tl::expected<void, std::string>
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WriteSurfaceToFilePng(const Surface &buf, FILE *outStream)
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{
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SDL_RWops *rwops = SDL_RWFromFP(outStream, /*autoclose=*/SDL_TRUE);
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if (rwops == nullptr || IMG_SavePNG_RW(buf.surface, rwops, /*freedst=*/1) != 0) {
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tl::expected<void, std::string> result = tl::make_unexpected(std::string(SDL_GetError()));
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SDL_ClearError();
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return result;
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}
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return {};
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}
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} // namespace devilution
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