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-rw-r--r--generic/tkImgPhoto.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/generic/tkImgPhoto.c b/generic/tkImgPhoto.c
index 58c4484..780b0c2 100644
--- a/generic/tkImgPhoto.c
+++ b/generic/tkImgPhoto.c
@@ -5648,6 +5648,9 @@ ImgGetPhoto(
break;
}
}
+ if (!alphaOffset) {
+ blockPtr->offset[3]= -1; /* Tell caller alpha need not be read */
+ }
greenOffset = blockPtr->offset[1] - blockPtr->offset[0];
blueOffset = blockPtr->offset[2] - blockPtr->offset[0];
if (((optPtr->options & OPT_BACKGROUND) && alphaOffset) ||
@@ -5766,9 +5769,6 @@ ImgGetPhoto(
blockPtr->offset[2]= 0;
blockPtr->offset[3]= 1;
}
- if (!alphaOffset) {
- blockPtr->offset[3]= -1;
- }
return data;
}
return NULL;