IIXC_Page::GetChannelPixel Method
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== Syntax == | == Syntax == | ||
| − | <pre class="brush:cpp;gutter:false">HRESULT GetChannelPixel([in] IXC_Channel | + | <pre class="brush:cpp;gutter:false">HRESULT GetChannelPixel([in] IXC_Channel Channel, |
[in] LONG nX, | [in] LONG nX, | ||
[in] LONG nY, | [in] LONG nY, | ||
| − | [out, retval] UCHAR* | + | [out, retval] UCHAR* Value);</pre> |
== Parameters == | == Parameters == | ||
| − | ; | + | ;Channel |
:[in] Specifies the [[PXV:IXC_Channel|color channel]] from which information will be retrieved. | :[in] Specifies the [[PXV:IXC_Channel|color channel]] from which information will be retrieved. | ||
;nX | ;nX | ||
| Line 19: | Line 19: | ||
;nY | ;nY | ||
:[in] Specifies the y-coordinate of the pixel to be examined. | :[in] Specifies the y-coordinate of the pixel to be examined. | ||
| − | ; | + | ;Value |
:[out, retval] Pointer to UCHAR value that receives the value of color channel at specified pixel. | :[out, retval] Pointer to UCHAR value that receives the value of color channel at specified pixel. | ||
Revision as of 06:50, 12 June 2015
The GetChannelPixel method retrieves the pixel color channel value stored at the specified coordinates.
Syntax
HRESULT GetChannelPixel([in] IXC_Channel Channel,
[in] LONG nX,
[in] LONG nY,
[out, retval] UCHAR* Value);
Parameters
- Channel
- [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.
- Value
- [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.
