void cv::imshow( const String& winname, InputArray _img )
{
CV_TRACE_FUNCTION();
const Size size = _img.size();
#ifndef HAVE_OPENGL
CV_Assert(size.width>0 && size.height>0);
{
Mat img = _img.getMat();
CvMat c_img = cvMat(img);
cvShowImage(winname.c_str(), &c_img);
}
#else
const double useGl = getWindowProperty(winname, WND_PROP_OPENGL);
CV_Assert(size.width>0 && size.height>0);
if (useGl <= 0)
{
Mat img = _img.getMat();
CvMat c_img = cvMat(img);
cvShowImage(winname.c_str(), &c_img);
}
else
{
const double autoSize = getWindowProperty(winname, WND_PROP_AUTOSIZE);
if (autoSize > 0)
{
resizeWindow(winname, size.width, size.height);
}
setOpenGlContext(winname);
cv::ogl::Texture2D& tex = ownWndTexs[winname];
if (_img.kind() == _InputArray::CUDA_GPU_MAT)
{
cv::ogl::Buffer& buf = ownWndBufs[winname];
buf.copyFrom(_img);
buf.setAutoRelease(false);
tex.copyFrom(buf);
tex.setAutoRelease(false);
}
else
{
tex.copyFrom(_img);
}
tex.setAutoRelease(false);
setOpenGlDrawCallback(winname, glDrawTextureCallback, &tex);
updateWindow(winname);
}
#endif
}
void cv::imshow(const String& winname, const ogl::Texture2D& _tex)
{
CV_TRACE_FUNCTION();
#ifndef HAVE_OPENGL
CV_UNUSED(winname);
CV_UNUSED(_tex);
CV_Error(cv::Error::OpenGlNotSupported, "The library is compiled without OpenGL support");
#else
const double useGl = getWindowProperty(winname, WND_PROP_OPENGL);
if (useGl <= 0)
{
CV_Error(cv::Error::OpenGlNotSupported, "The window was created without OpenGL context");
}
else
{
const double autoSize = getWindowProperty(winname, WND_PROP_AUTOSIZE);
if (autoSize > 0)
{
Size size = _tex.size();
resizeWindow(winname, size.width, size.height);
}
setOpenGlContext(winname);
cv::ogl::Texture2D& tex = wndTexs[winname];
tex = _tex;
tex.setAutoRelease(false);
setOpenGlDrawCallback(winname, glDrawTextureCallback, &tex);
updateWindow(winname);
}
#endif
}
void cv::imshow( const std::string& winname, InputArray _img )
{
#ifndef HAVE_OPENGL
Mat img = _img.getMat();
CvMat c_img = img;
cvShowImage(winname.c_str(), &c_img);
#else
const double useGl = getWindowProperty(winname, WND_PROP_OPENGL);
if (useGl <= 0)
{
Mat img = _img.getMat();
CvMat c_img = img;
cvShowImage(winname.c_str(), &c_img);
}
else
{
const double autoSize = getWindowProperty(winname, WND_PROP_AUTOSIZE);
if (autoSize > 0)
{
Size size = _img.size();
resizeWindow(winname, size.width, size.height);
}
setOpenGlContext(winname);
if (_img.kind() == _InputArray::OPENGL_TEXTURE)
{
cv::ogl::Texture2D& tex = wndTexs[winname];
tex = _img.getOGlTexture2D();
tex.setAutoRelease(false);
setOpenGlDrawCallback(winname, glDrawTextureCallback, &tex);
}
else
{
cv::ogl::Texture2D& tex = ownWndTexs[winname];
if (_img.kind() == _InputArray::GPU_MAT)
{
cv::ogl::Buffer& buf = ownWndBufs[winname];
buf.copyFrom(_img);
buf.setAutoRelease(false);
tex.copyFrom(buf);
tex.setAutoRelease(false);
}
else
{
tex.copyFrom(_img);
}
tex.setAutoRelease(false);
setOpenGlDrawCallback(winname, glDrawTextureCallback, &tex);
}
updateWindow(winname);
}
#endif
}
