h4570
69 lines
2.0 KiB
C++
69 lines
2.0 KiB
C++
/*
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# _____ ____ ___
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# | \/ ____| |___|
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# | | | \ | |
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#-----------------------------------------------------------------------
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# Copyright 2022, tyra - https://github.com/h4570/tyra
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# Licensed under Apache License 2.0
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# Sandro Sobczyński <sandro.sobczynski@gmail.com>
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*/
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#pragma once
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#include "loaders/texture/base/texture_loader.hpp"
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#include "renderer/core/texture/models/texture.hpp"
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#ifdef INTELLISENSE
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typedef void* png_structp;
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typedef void* png_bytep;
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typedef void* png_infop;
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typedef void* png_colorp;
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#else
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#include <png.h>
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#endif
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namespace Tyra {
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struct PngPixel3 {
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u8 r, g, b;
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};
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struct PngPixel4 {
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u8 r, g, b, a;
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};
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class PngLoader : public TextureLoader {
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public:
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PngLoader();
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~PngLoader();
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inline TextureBuilderData* load(const std::string& fullpath) {
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return load(fullpath.c_str());
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}
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TextureBuilderData* load(const char* fullpath);
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private:
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void handle32bpp(TextureBuilderData* result, png_structp pngPtr,
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png_infop infoPtr, png_bytep* rowPointers);
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void handle24bpp(TextureBuilderData* result, png_structp pngPtr,
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png_infop infoPtr, png_bytep* rowPointers);
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void handlePalletized(TextureBuilderData* result, png_structp pngPtr,
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png_infop infoPtr, png_bytep* rowPointers,
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const int& bitDepth);
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void handle8bppPalletized(TextureBuilderData* result, png_structp pngPtr,
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png_infop infoPtr, png_bytep* rowPointers,
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png_colorp palette, png_bytep trans,
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const int& numPallete, const int& numTrans);
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void handle4bppPalletized(TextureBuilderData* result, png_structp pngPtr,
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png_infop infoPtr, png_bytep* rowPointers,
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png_colorp palette, png_bytep trans,
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const int& numPallete, const int& numTrans);
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};
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} // namespace Tyra
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