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Merge pull request #7122 from haikusw:UIImageAlphaToMatFix

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This commit is contained in:
Vadim Pisarevsky 2016-08-20 10:38:35 +00:00
commit 5903c7257e
1 changed files with 4 additions and 0 deletions
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4
modules/imgcodecs/src/ios_conversions.mm
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@ -106,6 +106,8 @@ void UIImageToMat(const UIImage* image,
bitmapInfo = kCGImageAlphaNone;
if (!alphaExist)
bitmapInfo = kCGImageAlphaNone;
else
m = cv::Scalar(0);
contextRef = CGBitmapContextCreate(m.data, m.cols, m.rows, 8,
m.step[0], colorSpace,
bitmapInfo);
@ -116,6 +118,8 @@ void UIImageToMat(const UIImage* image,
if (!alphaExist)
bitmapInfo = kCGImageAlphaNoneSkipLast |
kCGBitmapByteOrderDefault;
else
m = cv::Scalar(0);
contextRef = CGBitmapContextCreate(m.data, m.cols, m.rows, 8,
m.step[0], colorSpace,
bitmapInfo);