IIXC_Page::InvertChannel Method

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== Syntax ==
 
== Syntax ==
<pre class="brush:cpp;gutter:false">HRESULT InvertChannel([in]  IXC_Channel  nCannel,
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<pre class="brush:cpp;gutter:false">HRESULT InvertChannel([in]  IXC_Channel  nChannel,
 
                       [in]  RECT*        pRect);</pre>
 
                       [in]  RECT*        pRect);</pre>
  
 
== Parameters ==
 
== Parameters ==
 
;nCannel
 
;nCannel
:[in]  Specifies the [[PXV:IXC_Channel|channel]] for which function should be applied.
+
:[in]  Specifies the [[PXV:IXC_Channel|Channel]] for which function should be applied.
 
;pRect
 
;pRect
:[in]  Pointer to RECT structure which defines the rectangular area where colors should be inverted. If this parameter is NULL, the entire page will be inverted.
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:[in]  Pointer to a RECT structure which defines the rectangular area where he colors should be inverted. If this parameter is NULL, then the entire page will be inverted.
{{note|Please note that processing of part of the page is not supported for some internal formats. For example, it is not supported for indexed images, because each pixel in such images contains not the color, but the index into color table (palette) which is common for the entire page.}}
+
{{note|Please note that processing part of the page is not supported for some internal formats. For example, it is not supported for indexed images, because the pixels in such images do not contain the color, but an index into a color table (or palette) which is common for the entire page.}}
  
 
== Return Value ==
 
== Return Value ==

Revision as of 10:25, 18 May 2015


The method inverts color data only within the specified color channel.

Syntax

HRESULT InvertChannel([in]  IXC_Channel  nChannel,
                      [in]  RECT*        pRect);

Parameters

nCannel
[in] Specifies the Channel for which function should be applied.
pRect
[in] Pointer to a RECT structure which defines the rectangular area where he colors should be inverted. If this parameter is NULL, then the entire page will be inverted.
Note:
Please note that processing part of the page is not supported for some internal formats. For example, it is not supported for indexed images, because the pixels in such images do not contain the color, but an index into a color table (or palette) which is common for the entire page.

Return Value

Returns S_OK if operation was successful or error code in other cases.

See Also

IIXC_Page
IIXC_Page::Invert
IIXC_Page::CopyChannel
IIXC_Page::FillChannel
IIXC_Page::GetChannelPixel
IIXC_Page::SetChannelPixel
IXC_Channel