IIXC_Page::GetChannelPixel Method
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{{#parentPage:PXV:IIXC_Page|GetChannelPixel Method|method}} | {{#parentPage:PXV:IIXC_Page|GetChannelPixel Method|method}} | ||
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| − | The method retrieves a value stored | + | The '''GetChannelPixel''' method retrieves a value stored in a selected color channel at the specified coordinates. |
== Syntax == | == Syntax == | ||
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== Parameters == | == Parameters == | ||
;nChannel | ;nChannel | ||
| − | :[in] Specifies | + | :[in] Specifies the [[PXV:IXC_Channel|color channel]] from which information will be retrieved. |
;nX | ;nX | ||
:[in] Specifies the x-coordinate of the pixel to be examined. | :[in] Specifies the x-coordinate of the pixel to be examined. | ||
Revision as of 08:21, 18 May 2015
The GetChannelPixel method retrieves a value stored in a selected color channel at the specified coordinates.
Contents
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.
