IIXC_Page::FilterNoise Method
From PDF XChange PDF SDK
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;pRect | ;pRect | ||
:[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 | + | {{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 | ;nLevel | ||
:[in] Specifies noise level. | :[in] Specifies noise level. | ||
Revision as of 13:27, 17 May 2015
The method applies Noise filter to the image page or its specified area.
Contents
Syntax
HRESULT FilterNoise([in] RECT* pRect,
[in] ULONG nLevel,
[in] ULONG nFlags);
Parameters
- pRect
- [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 IXC_NoiseType.
Return Value
Returns S_OK if operation was successful or error code in other cases.
