diff options
Diffstat (limited to 'generic')
| -rw-r--r-- | generic/tkImgPhoto.c | 11 |
1 files changed, 5 insertions, 6 deletions
diff --git a/generic/tkImgPhoto.c b/generic/tkImgPhoto.c index 4fcc3db..9527c93 100644 --- a/generic/tkImgPhoto.c +++ b/generic/tkImgPhoto.c @@ -3683,12 +3683,6 @@ ImgGetPhoto( break; } } - if (!alphaOffset) { - blockPtr->pixelPtr--; - blockPtr->offset[0]++; - blockPtr->offset[1]++; - blockPtr->offset[2]++; - } greenOffset = blockPtr->offset[1] - blockPtr->offset[0]; blueOffset = blockPtr->offset[2] - blockPtr->offset[0]; if (((optPtr->options & OPT_BACKGROUND) && alphaOffset) || @@ -3803,9 +3797,14 @@ ImgGetPhoto( if (newPixelSize > 2) { blockPtr->offset[1] = 1; blockPtr->offset[2] = 2; + blockPtr->offset[3]= 3; } else { blockPtr->offset[1] = 0; blockPtr->offset[2] = 0; + blockPtr->offset[3]= 1; + } + if (!alphaOffset) { + blockPtr->offset[3]= -1; } return data; } |