IIXC_Page::GetChannelPixel Method
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Latest revision as of 03:16, 15 June 2015
The GetChannelPixel method retrieves the pixel color channel value stored at the specified coordinates.
Syntax
HRESULT GetChannelPixel([in] IXC_Channel nChannel, [in] LONG nX, [in] LONG nY, [out, retval] UCHAR* nValue);
Parameters
- nChannel
- [in] Specifies the color channel from which information will be retrieved.
- nX
- [in] Specifies the x-coordinate of the pixel to be examined.
- nY
- [in] Specifies the y-coordinate of the pixel to be examined.
- nValue
- [out, retval] Pointer to UCHAR value that receives the value of color channel at specified pixel.
Return Value
Returns S_OK if operation was successful or error code in other cases.