|
private CvtColor ( |
||
| src | ||
| dst | ||
| code | CvEnum | |
| stream | ||
| return | void | |
private static void ConvertColor(IntPtr src, IntPtr dest, Type srcColor, Type destColor, Size size, Stream stream)
{
try
{
// if the direct conversion exist, apply the conversion
GpuInvoke.CvtColor(src, dest, CvToolbox.GetColorCvtCode(srcColor, destColor), stream);
} catch
{
try
{
//if a direct conversion doesn't exist, apply a two step conversion
//in this case, needs to wait for the completion of the stream because a temporary local image buffer is used
//we don't want the tmp image to be released before the operation is completed.
using (GpuImage <Bgr, TDepth> tmp = new GpuImage <Bgr, TDepth>(size))
{
GpuInvoke.CvtColor(src, tmp.Ptr, CvToolbox.GetColorCvtCode(srcColor, typeof(Bgr)), stream);
GpuInvoke.CvtColor(tmp.Ptr, dest, CvToolbox.GetColorCvtCode(typeof(Bgr), destColor), stream);
stream.WaitForCompletion();
}
} catch
{
throw new NotSupportedException(String.Format(
"Convertion from Image<{0}, {1}> to Image<{2}, {3}> is not supported by OpenCV",
srcColor.ToString(),
typeof(TDepth).ToString(),
destColor.ToString(),
typeof(TDepth).ToString()));
}
}
}
private static void ConvertColor(IntPtr src, IntPtr dest, Type srcColor, Type destColor, Size size, Stream stream)
{
try
{
// if the direct conversion exist, apply the conversion
GpuInvoke.CvtColor(src, dest, CvToolbox.GetColorCvtCode(srcColor, destColor), stream);
}
catch
{
try
{
//if a direct conversion doesn't exist, apply a two step conversion
using (GpuImage <Bgr, TDepth> tmp = new GpuImage <Bgr, TDepth>(size))
{
GpuInvoke.CvtColor(src, tmp.Ptr, CvToolbox.GetColorCvtCode(srcColor, typeof(Bgr)), stream);
GpuInvoke.CvtColor(tmp.Ptr, dest, CvToolbox.GetColorCvtCode(typeof(Bgr), destColor), stream);
}
}
catch
{
throw new NotSupportedException(String.Format(
"Convertion from Image<{0}, {1}> to Image<{2}, {3}> is not supported by OpenCV",
srcColor.ToString(),
typeof(TDepth).ToString(),
destColor.ToString(),
typeof(TDepth).ToString()));
}
}
}