IIXC_Page::InvertChannel Method
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== Syntax == | == Syntax == | ||
| − | <pre class="brush:cpp;gutter:false">HRESULT InvertChannel([in] IXC_Channel | + | <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| | + | :[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. | + | :[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 | + | {{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.
Contents
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.
