| Index: libs/ui/export/libui.h |
| — | — | @@ -46,6 +46,8 @@ |
| 47 | 47 | struct libui_api
|
| 48 | 48 | {
|
| 49 | 49 | typeof(blend)* blend;
|
| | 50 | + typeof(blendcolor)* blendcolor;
|
| | 51 | + typeof(mattecolor)* mattecolor;
|
| 50 | 52 | };
|
| 51 | 53 |
|
| 52 | 54 | #endif
|
| Index: libs/ui/blend.c |
| — | — | @@ -54,3 +54,54 @@ |
| 55 | 55 | out += (outstride - width) * 3;
|
| 56 | 56 | }
|
| 57 | 57 | }
|
| | 58 | +
|
| | 59 | +void blendcolor(int width, int height, uint32_t color,
|
| | 60 | + void* outbuf, int outx, int outy, int outstride,
|
| | 61 | + void* inbuf, int inx, int iny, int instride)
|
| | 62 | +{
|
| | 63 | + char* in = (char*)inbuf + (inx + iny * instride) * 3;
|
| | 64 | + char* out = (char*)outbuf + (outx + outy * outstride) * 3;
|
| | 65 | + int r = (color >> 0) & 0xff;
|
| | 66 | + int g = (color >> 8) & 0xff;
|
| | 67 | + int b = (color >> 16) & 0xff;
|
| | 68 | + int a = (color >> 24) & 0xff;
|
| | 69 | + int x, y;
|
| | 70 | + for (y = 0; y < height; y++)
|
| | 71 | + {
|
| | 72 | + for (x = 0; x < width; x++)
|
| | 73 | + {
|
| | 74 | + *out++ = (a * r + (255 - a) * *in++) >> 8;
|
| | 75 | + *out++ = (a * g + (255 - a) * *in++) >> 8;
|
| | 76 | + *out++ = (a * b + (255 - a) * *in++) >> 8;
|
| | 77 | + }
|
| | 78 | + in += (instride - width) * 3;
|
| | 79 | + out += (outstride - width) * 3;
|
| | 80 | + }
|
| | 81 | +}
|
| | 82 | +
|
| | 83 | +void mattecolor(int width, int height, uint32_t color,
|
| | 84 | + void* outbuf, int outx, int outy, int outstride,
|
| | 85 | + void* inbuf, int inx, int iny, int instride)
|
| | 86 | +{
|
| | 87 | + char* in = (char*)inbuf + (inx + iny * instride) * 4;
|
| | 88 | + char* out = (char*)outbuf + (outx + outy * outstride) * 3;
|
| | 89 | + int mr = (color >> 0) & 0xff;
|
| | 90 | + int mg = (color >> 8) & 0xff;
|
| | 91 | + int mb = (color >> 16) & 0xff;
|
| | 92 | + int x, y;
|
| | 93 | + for (y = 0; y < height; y++)
|
| | 94 | + {
|
| | 95 | + for (x = 0; x < width; x++)
|
| | 96 | + {
|
| | 97 | + int r = *in++;
|
| | 98 | + int g = *in++;
|
| | 99 | + int b = *in++;
|
| | 100 | + int a = *in++;
|
| | 101 | + *out++ = (a * r + (255 - a) * mr) >> 8;
|
| | 102 | + *out++ = (a * g + (255 - a) * mg) >> 8;
|
| | 103 | + *out++ = (a * b + (255 - a) * mb) >> 8;
|
| | 104 | + }
|
| | 105 | + in += (instride - width) * 4;
|
| | 106 | + out += (outstride - width) * 3;
|
| | 107 | + }
|
| | 108 | +}
|
| Index: libs/ui/main.c |
| — | — | @@ -27,7 +27,9 @@ |
| 28 | 28 |
|
| 29 | 29 | struct libui_api apitable =
|
| 30 | 30 | {
|
| 31 | | - .blend = blend
|
| | 31 | + .blend = blend,
|
| | 32 | + .blendcolor = blendcolor,
|
| | 33 | + .mattecolor = mattecolor,
|
| 32 | 34 | };
|
| 33 | 35 |
|
| 34 | 36 | EMCORE_LIB_HEADER(0x49554365, LIBUI_API_VERSION, LIBUI_MIN_API_VERSION, NULL, NULL, apitable)
|
| Index: libs/ui/blend.h |
| — | — | @@ -31,6 +31,12 @@ |
| 32 | 32 | void* outbuf, int outx, int outy, int outstride,
|
| 33 | 33 | void* in1buf, int in1x, int in1y, int in1stride,
|
| 34 | 34 | void* in2buf, int in2x, int in2y, int in2stride);
|
| | 35 | +void blendcolor(int width, int height, uint32_t color,
|
| | 36 | + void* outbuf, int outx, int outy, int outstride,
|
| | 37 | + void* inbuf, int inx, int iny, int instride);
|
| | 38 | +void mattecolor(int width, int height, uint32_t color,
|
| | 39 | + void* outbuf, int outx, int outy, int outstride,
|
| | 40 | + void* inbuf, int inx, int iny, int instride);
|
| 35 | 41 |
|
| 36 | 42 |
|
| 37 | 43 | #endif
|
