diff options
| -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 85c7de5..58c4484 100644 --- a/generic/tkImgPhoto.c +++ b/generic/tkImgPhoto.c @@ -5648,12 +5648,6 @@ 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) || @@ -5766,9 +5760,14 @@ 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; } |