| 46 | } |
| 47 | |
| 48 | static bool pngSave(const byte *pixels, int width, int height, int rowStride, int colorType, const char *filename) { |
| 49 | if (!(pixels && width && height)) |
| 50 | return false; |
| 51 | png_structp png = png_create_write_struct(PNG_LIBPNG_VER_STRING, NULL, &pngIgnoreError, &pngIgnoreError); |
| 52 | if (!png) |
| 53 | return false; |
| 54 | png_infop info = png_create_info_struct(png); |
| 55 | PngGuard guard(png, info); |
| 56 | if (!info) |
| 57 | return false; |
| 58 | FILE *file = fopen(filename, "wb"); |
| 59 | if (!file) |
| 60 | return false; |
| 61 | guard.setFile(file); |
| 62 | std::vector<const byte *> rows(height); |
| 63 | for (int y = 0; y < height; ++y) |
| 64 | rows[y] = pixels+rowStride*y; |
| 65 | if (setjmp(png_jmpbuf(png))) |
| 66 | return false; |
| 67 | png_set_write_fn(png, file, &pngWrite, &pngFlush); |
| 68 | png_set_IHDR(png, info, width, height, 8, colorType, PNG_INTERLACE_NONE, PNG_COMPRESSION_TYPE_DEFAULT, PNG_FILTER_TYPE_DEFAULT); |
| 69 | png_set_compression_level(png, 9); |
| 70 | png_set_rows(png, info, const_cast<png_bytepp>(&rows[0])); |
| 71 | png_write_png(png, info, PNG_TRANSFORM_IDENTITY, NULL); |
| 72 | return true; |
| 73 | } |
| 74 | |
| 75 | static bool pngSave(const float *pixels, int width, int height, int rowStride, int channels, int colorType, const char *filename) { |
| 76 | if (!(pixels && width && height)) |
no test coverage detected