IIXC_Page::GetChannelPixel Method

Revision as of 08:24, 18 May 2015

The GetChannelPixel method retrieves a value stored in a selected color channel 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