| 40 | } |
| 41 | |
| 42 | bool operator()(const PalEntryWithIndex& a, const PalEntryWithIndex& b) { |
| 43 | color_t c1 = a.color; |
| 44 | color_t c2 = b.color; |
| 45 | int value1 = 0, value2 = 0; |
| 46 | |
| 47 | switch (channel) { |
| 48 | |
| 49 | case SortPaletteBy::RED: |
| 50 | value1 = rgba_getr(c1); |
| 51 | value2 = rgba_getr(c2); |
| 52 | break; |
| 53 | |
| 54 | case SortPaletteBy::GREEN: |
| 55 | value1 = rgba_getg(c1); |
| 56 | value2 = rgba_getg(c2); |
| 57 | break; |
| 58 | |
| 59 | case SortPaletteBy::BLUE: |
| 60 | value1 = rgba_getb(c1); |
| 61 | value2 = rgba_getb(c2); |
| 62 | break; |
| 63 | |
| 64 | case SortPaletteBy::ALPHA: |
| 65 | value1 = rgba_geta(c1); |
| 66 | value2 = rgba_geta(c2); |
| 67 | break; |
| 68 | |
| 69 | case SortPaletteBy::HUE: |
| 70 | case SortPaletteBy::SATURATION: |
| 71 | case SortPaletteBy::VALUE: { |
| 72 | Hsv hsv1(Rgb(rgba_getr(c1), |
| 73 | rgba_getg(c1), |
| 74 | rgba_getb(c1))); |
| 75 | Hsv hsv2(Rgb(rgba_getr(c2), |
| 76 | rgba_getg(c2), |
| 77 | rgba_getb(c2))); |
| 78 | |
| 79 | switch (channel) { |
| 80 | case SortPaletteBy::HUE: |
| 81 | value1 = hsv1.hueInt(); |
| 82 | value2 = hsv2.hueInt(); |
| 83 | break; |
| 84 | case SortPaletteBy::SATURATION: |
| 85 | value1 = hsv1.saturationInt(); |
| 86 | value2 = hsv2.saturationInt(); |
| 87 | break; |
| 88 | case SortPaletteBy::VALUE: |
| 89 | value1 = hsv1.valueInt(); |
| 90 | value2 = hsv2.valueInt(); |
| 91 | break; |
| 92 | default: |
| 93 | ASSERT(false); |
| 94 | break; |
| 95 | } |
| 96 | break; |
| 97 | } |
| 98 | |
| 99 | case SortPaletteBy::LIGHTNESS: { |