| 790 | } |
| 791 | |
| 792 | static void PixelDePack16(void* src, void* dst, int numbytes) |
| 793 | { |
| 794 | uint8_t* src8 = (uint8_t*)src; |
| 795 | uint8_t* dst8 = (uint8_t*)dst; |
| 796 | |
| 797 | while (numbytes) |
| 798 | { |
| 799 | uint8_t v = *src8++; |
| 800 | |
| 801 | dst8[0] = (uint8_t)v >> 4; |
| 802 | dst8[1] = (uint8_t)v & 0xF; |
| 803 | dst8 += 2; |
| 804 | |
| 805 | numbytes--; |
| 806 | } |
| 807 | } |
| 808 | |
| 809 | static int unpack_grey_1(uint8_t* src, uint8_t* dst, int pixels, png_decoder *pwi) |
| 810 | { |