| 56,6 → 56,21 |
|---|
| } |
| } |
| |
| int ppm_get_data(unsigned char *data, size_t dtsz, int *width, int *height) |
| { |
| /* Read magic */ |
| if (data[0] != 'P' || data[1] != '6') |
| return EINVAL; |
| |
| data+=2; |
| skip_whitespace(&data); |
| read_num(&data, width); |
| skip_whitespace(&data); |
| read_num(&data,height); |
| |
| return 0; |
| } |
| |
| /** Draw PPM pixmap |
| * |
| * @param data Pointer to PPM data |
| 66,7 → 81,7 |
|---|
| * @param maxheight Maximum allowed height for picture |
| * @param putpixel Putpixel function used to print bitmap |
| */ |
| int draw_ppm(unsigned char *data, size_t datasz, unsigned int sx, |
| int ppm_draw(unsigned char *data, size_t datasz, unsigned int sx, |
| unsigned int sy, |
| unsigned int maxwidth, unsigned int maxheight, |
| void (*putpixel)(int,unsigned int, unsigned int, int),int vp) |
| 104,7 → 119,7 |
|---|
| data += 3; |
| continue; |
| } |
| color = ((data[0]*coef) << 16) + ((data[1]*coef) << 8) + data[0]*coef; |
| color = ((data[0]*coef) << 16) + ((data[1]*coef) << 8) + data[2]*coef; |
| |
| (*putpixel)(vp, sx+(i % width), sy+(i / width), color); |
| data += 3; |