blob: 0e7311f2e510e756073bbc0409e9a1110e57e2fe (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
|
#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>;
bool is_png(const ReadBuf &pngbuf);
// Only decodes true 8 bit grayscale png images. Returns false for other formats
// TODO: implement transformation of rgb images into grayscale...
bool decode_png(const ReadBuf &pngbuf, ImageGreyscale &img);
// TODO
// bool decode_png(Buffer &&pngbuf, ImageRGB &img);
}}
#endif // PNGREAD_HPP
|
