IIXC_Page::FilterNoise Method
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== Syntax == | == Syntax == | ||
− | <pre class="brush:cpp;gutter:false">HRESULT FilterNoise([in] RECT* | + | <pre class="brush:cpp;gutter:false">HRESULT FilterNoise([in] RECT* stRect, |
[in] ULONG nLevel, | [in] ULONG nLevel, | ||
[in] ULONG nFlags);</pre> | [in] ULONG nFlags);</pre> | ||
== Parameters == | == Parameters == | ||
− | ; | + | ;stRect |
:[in] Pointer to the RECT structure which defines the rectangular area where the function should be applied. If this parameter is NULL, the entire page will be processed. | :[in] Pointer to the RECT structure which defines the rectangular area where the function should be applied. If this parameter is NULL, the entire page will be processed. | ||
{{note|Please note that partial processing of an area of a page is not supported for all image formats. For example, it is not supported for indexed images, because pixels in such images do not contain a color, but an index into a color table (or palette) which is common for the entire page}} | {{note|Please note that partial processing of an area of a page is not supported for all image formats. For example, it is not supported for indexed images, because pixels in such images do not contain a color, but an index into a color table (or palette) which is common for the entire page}} |
Revision as of 02:08, 4 June 2015
The method applies Noise filter to the image page or its specified area.
Syntax
HRESULT FilterNoise([in] RECT* stRect, [in] ULONG nLevel, [in] ULONG nFlags);
Parameters
- stRect
- [in] Pointer to the RECT structure which defines the rectangular area where the function should be applied. If this parameter is NULL, the entire page will be processed.
Note:
Please note that partial processing of an area of a page is not supported for all image formats. For example, it is not supported for indexed images, because pixels in such images do not contain a color, but an index into a color table (or palette) which is common for the entire page- nLevel
- [in] Specifies noise level.
- nFlags
- [in] Specifies the type of the filter. Could be one of the following Noise types.
Return Value
Returns S_OK if operation was successful or error code in other cases.