svn-gvsig-desktop / trunk / libraries / libjni-mrsid / include / filters / lti_viewerImageFilter.h @ 3539
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/* $Id: lti_viewerImageFilter.h 3539 2006-01-09 12:23:20Z nacho $ */
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/* //////////////////////////////////////////////////////////////////////////
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// //
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// This code is Copyright (c) 2004 LizardTech, Inc, 1008 Western Avenue, //
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// Suite 200, Seattle, WA 98104. Unauthorized use or distribution //
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// prohibited. Access to and use of this code is permitted only under //
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// license from LizardTech, Inc. Portions of the code are protected by //
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// US and foreign patents and other filings. All Rights Reserved. //
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// //
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////////////////////////////////////////////////////////////////////////// */
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/* PUBLIC */
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#ifndef LTIVIEWERIMAGEFILTER_H
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#define LTIVIEWERIMAGEFILTER_H
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// lt_lib_mrsid_core
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#include "lti_imageFilter.h" |
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LT_BEGIN_NAMESPACE(LizardTech) |
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#if defined(LT_COMPILER_MS)
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#pragma warning(push,4) |
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#endif
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/**
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* performs datatype and colorspace transforms on an image to make it displayable
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*
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* This class wraps the LTIDataType, LTIColorTransformer, and
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* LTIDynamicRangeFilter classes in order to transform the input image into
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* an 8-bit datatype with colorspace greyscale or RGB, as is required by most
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* display engines.
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*/
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class LTIViewerImageFilter : public LTIImageFilter |
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{ |
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public:
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/**
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* constructor
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*
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* Transforms the input image to 8-bit samples and a colorspace of either
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* greyscale or RGB. This allows the image's pixels to be more easily
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* passed to command rendering engines.
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*
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* The class also allows for the dynamic range of the image to be adjusted
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* to make the image's histogram fit the datatype width. RGB pixels can
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* also be remapped to be in BGR format (as is required for Windows
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* bitmaps).
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*
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* @param sourceImage the input image
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* @param useDynamicRange if set, the image data will be scaled
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* according to the dynamic range metadata in the
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* image (if any)
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* @param useBGR if set, RGB samples will be remapped to BGR
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* format
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* @param takeOwnership set to true to have the filter delete the \a
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* sourceImage
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*/
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LTIViewerImageFilter(LTIImageStage* sourceImage, |
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bool useDynamicRange,
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bool useBGR,
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bool takeOwnership);
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virtual ~LTIViewerImageFilter(); |
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virtual LT_STATUS initialize(); |
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protected:
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LT_STATUS decodeBegin(const LTIScene& scene);
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LT_STATUS decodeEnd(); |
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LT_STATUS decodeStrip(LTISceneBuffer& stripBuffer, const LTIScene& stripScene);
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private:
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typedef LTIImageFilter Super;
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LTIImageFilter* m_drTransform; |
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LTIImageFilter* m_csTransform; |
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LTIImageFilter* m_dtTransform; |
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LTIImageFilter* m_mapTransform; |
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LTIImageStage* m_lastStage; |
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bool m_useBGR;
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bool m_useDynamicRange;
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// nope
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LTIViewerImageFilter(const LTIViewerImageFilter&);
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LTIViewerImageFilter& operator=(const LTIViewerImageFilter&);
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}; |
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LT_END_NAMESPACE(LizardTech) |
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#if defined(LT_COMPILER_MS)
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#pragma warning(pop)
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#endif
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#endif // LTIVIEWERIMAGEFILTER_H |