IIXC_Page::GetChannelPixel Method

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The '''GetChannelPixel''' method retrieves the pixel color channel value stored at the specified coordinates.
 
The '''GetChannelPixel''' method retrieves the pixel color channel value stored at the specified coordinates.

Revision as of 04:03, 21 May 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*       pValue);

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.
pValue
[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.

See Also

IIXC_Page
IIXC_Page::CopyChannel
IIXC_Page::FillChannel
IIXC_Page::InvertChannel
IIXC_Page::SetChannelPixel
IXC_Channel