Slic3r/src/libslic3r/PNGRead.hpp
2020-08-27 23:14:42 +02:00

31 lines
635 B
C++

#ifndef PNGREAD_HPP
#define PNGREAD_HPP
#include <vector>
#include <string>
namespace Slic3r { namespace png {
struct ReadBuf { const void *buf = nullptr; const size_t sz = 0; };
template<class PxT> struct Image {
std::vector<PxT> buf;
size_t rows, cols;
PxT get(size_t row, size_t col) const { return buf[row * cols + col]; }
};
struct RGB { uint8_t r, g, b; };
using ImageRGB = Image<RGB>;
using ImageGreyscale = Image<uint8_t>;
// TODO
// bool decode_png(Buffer &&pngbuf, ImageRGB &img);
bool is_png(const ReadBuf &pngbuf);
bool decode_png(const ReadBuf &pngbuf, ImageGreyscale &img);
}}
#endif // PNGREAD_HPP