Fix UIImageToMat method by taking image scale information into account

opencv · Mar 23, 2017 · d8a7b3e · d8a7b3e
1 parent 874fb7a
commit d8a7b3e
Showing 1 changed file with 2 additions and 3 deletions.
diff --git a/modules/imgcodecs/src/ios_conversions.mm b/modules/imgcodecs/src/ios_conversions.mm
@@ -97,11 +97,10 @@
 void UIImageToMat(const UIImage* image,
                          cv::Mat& m, bool alphaExist) {
     CGColorSpaceRef colorSpace = CGImageGetColorSpace(image.CGImage);
-    CGFloat cols = image.size.width, rows = image.size.height;
+    CGFloat cols = CGImageGetWidth(image.CGImage), rows = CGImageGetHeight(image.CGImage);
     CGContextRef contextRef;
     CGBitmapInfo bitmapInfo = kCGImageAlphaPremultipliedLast;
-    if (CGColorSpaceGetModel(colorSpace) == kCGColorSpaceModelMonochrome)
-    {
+    if (CGColorSpaceGetModel(colorSpace) == kCGColorSpaceModelMonochrome) {
         m.create(rows, cols, CV_8UC1); // 8 bits per component, 1 channel
         bitmapInfo = kCGImageAlphaNone;
         if (!alphaExist)