Fix UIImageToMat method by taking image scale information into account

2017-03-22 22:20:42 -07:00
parent 874fb7ae78
commit de7018539d
1 changed files with 1 additions and 1 deletions
@@ -97,7 +97,7 @@ UIImage* MatToUIImage(const cv::Mat& image) {
 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)