diff options
| author | Campbell Barton <ideasman42@gmail.com> | 2011-08-31 05:05:40 +0400 |
|---|---|---|
| committer | Campbell Barton <ideasman42@gmail.com> | 2011-08-31 05:05:40 +0400 |
| commit | 79249f8aede5c5481c625335b5ef7bd9b4cf28cc (patch) | |
| tree | 086a359a188266ebf6ca0bda3ffa97b36e739ce3 /source/blender/imbuf | |
| parent | 2457c2134aaef5faec561757ecb1d4afbd1dabcd (diff) | |
fix [#28430] Image with Stampinfo does not get saved correctly with alpha
Diffstat (limited to 'source/blender/imbuf')
| -rw-r--r-- | source/blender/imbuf/IMB_imbuf.h | 2 | ||||
| -rw-r--r-- | source/blender/imbuf/intern/rectop.c | 10 |
2 files changed, 10 insertions, 2 deletions
diff --git a/source/blender/imbuf/IMB_imbuf.h b/source/blender/imbuf/IMB_imbuf.h index 1fbe8e01fd4..2c926f2d94b 100644 --- a/source/blender/imbuf/IMB_imbuf.h +++ b/source/blender/imbuf/IMB_imbuf.h @@ -499,7 +499,7 @@ void IMB_rectfill_area(struct ImBuf *ibuf, float *col, int x1, int y1, int x2, i void IMB_rectfill_alpha(struct ImBuf *ibuf, const float value); /* this should not be here, really, we needed it for operating on render data, IMB_rectfill_area calls it */ -void buf_rectfill_area(unsigned char *rect, float *rectf, int width, int height, float *col, int x1, int y1, int x2, int y2); +void buf_rectfill_area(unsigned char *rect, float *rectf, int width, int height, const float col[4], int x1, int y1, int x2, int y2); /* defined in metadata.c */ int IMB_metadata_change_field(struct ImBuf *img, const char *key, const char *field); diff --git a/source/blender/imbuf/intern/rectop.c b/source/blender/imbuf/intern/rectop.c index 844478e03cb..db2ae3a5114 100644 --- a/source/blender/imbuf/intern/rectop.c +++ b/source/blender/imbuf/intern/rectop.c @@ -482,7 +482,7 @@ void IMB_rectfill(struct ImBuf *drect, const float col[4]) } -void buf_rectfill_area(unsigned char *rect, float *rectf, int width, int height, float *col, int x1, int y1, int x2, int y2) +void buf_rectfill_area(unsigned char *rect, float *rectf, int width, int height, const float col[4], int x1, int y1, int x2, int y2) { int i, j; float a; /* alpha */ @@ -509,6 +509,8 @@ void buf_rectfill_area(unsigned char *rect, float *rectf, int width, int height, unsigned char *pixel; unsigned char chr=0, chg=0, chb=0; float fr=0, fg=0, fb=0; + + const int alphaint= FTOCHAR(a); if (a == 1.0f) { chr = FTOCHAR(col[0]); @@ -527,10 +529,13 @@ void buf_rectfill_area(unsigned char *rect, float *rectf, int width, int height, pixel[0] = chr; pixel[1] = chg; pixel[2] = chb; + pixel[3] = 255; } else { + int alphatest; pixel[0] = (char)((fr + ((float)pixel[0]*aich))*255.0f); pixel[1] = (char)((fg + ((float)pixel[1]*aich))*255.0f); pixel[2] = (char)((fb + ((float)pixel[2]*aich))*255.0f); + pixel[3] = (char)((alphatest= ((int)pixel[3] + alphaint)) < 255 ? alphatest : 255); } } } @@ -546,10 +551,13 @@ void buf_rectfill_area(unsigned char *rect, float *rectf, int width, int height, pixel[0] = col[0]; pixel[1] = col[1]; pixel[2] = col[2]; + pixel[3] = 1.0f; } else { + float alphatest; pixel[0] = (col[0]*a) + (pixel[0]*ai); pixel[1] = (col[1]*a) + (pixel[1]*ai); pixel[2] = (col[2]*a) + (pixel[2]*ai); + pixel[3] = (alphatest= (pixel[3] + a)) < 1.0f ? alphatest : 1.0f; } } } |