int channels = 0;
void* dst_ptr = 0;
const int channels0 = 3;
- int origin = 0;
CvMat stub, *image;
bool changed_size = false; // philipg
if( !window || !arr )
EXIT; // keep silence here.
- if( CV_IS_IMAGE_HDR( arr ))
- origin = ((IplImage*)arr)->origin;
-
CV_CALL( image = cvGetMat( arr, &stub ));
#ifdef HAVE_OPENGL
{
cv::Mat src = cv::cvarrToMat(image);
cv::Mat dst(size.cy, size.cx, CV_8UC3, dst_ptr, (size.cx * channels + 3) & -4);
- if (src.channels() == 1)
- {
- cv::cvtColor(src, dst, cv::COLOR_GRAY2BGR);
- cv::flip(dst, dst, 0);
- }
- else if (src.channels() == 4)
- {
- cv::cvtColor(src, dst, cv::COLOR_BGRA2BGR);
- cv::flip(dst, dst, 0);
- }
- else
- {
- CV_Assert(src.channels() == 3);
- cv::flip(src, dst, 0);
- }
+
+ cv::Mat tmp;
+ int src_depth = src.depth();
+ double scale = src_depth <= CV_8S ? 1 : src_depth <= CV_32S ? 1./256 : 255;
+ double shift = src_depth == CV_8S || src_depth == CV_16S ? 128 : 0;
+ cv::convertScaleAbs(src, tmp, scale, shift);
+ cv::cvtColor(tmp, dst, cv::COLOR_BGRA2BGR, dst.channels());
+ cv::flip(dst, dst, 0);
+
CV_Assert(dst.data == (uchar*)dst_ptr);
}