IIXC_Page::InvertChannel Method

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(See Also)
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{{ToReview}}
 
{{ToReview}}
  
The method of interface of PDF-XChange Editor SDK.
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The method inverts color data only within the specified color channel.
  
 
== Syntax ==
 
== Syntax ==
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== Parameters ==
 
== Parameters ==
 
;nCannel
 
;nCannel
:[in]  Value of [[PXV:IXC_Channel|IXC_Channel]].
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:[in]  Specifies the [[PXV:IXC_Channel|channel]] for which function should be applied.
 
;pRect
 
;pRect
:[in]  Pointer to RECT.
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:[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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{{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.}}
  
 
== Return Value ==
 
== Return Value ==

Revision as of 06:26, 29 April 2015


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

Syntax

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

Parameters

nCannel
[in] Specifies the channel for which function should be applied.
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.
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.

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::GetChannelPixel
IIXC_Page::SetChannelPixel
IXC_Channel