lti_embeddedImage.h

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/* $Id$ */
/* //////////////////////////////////////////////////////////////////////////
//                                                                         //
// This code is Copyright (c) 2004 LizardTech, Inc, 1008 Western Avenue,   //
// Suite 200, Seattle, WA 98104.  Unauthorized use or distribution         //
// prohibited.  Access to and use of this code is permitted only under     //
// license from LizardTech, Inc.  Portions of the code are protected by    //
// US and foreign patents and other filings. All Rights Reserved.          //
//                                                                         //
/* PUBLIC */

#ifndef LTI_EMBEDDED_IMAGE_H
#define LTI_EMBEDDED_IMAGE_H

// lt_lib_mrsid_core
#include "lti_imageFilter.h"
#include "lti_imageStageOverrides.h"
#include "lti_scene.h"
#include "lti_sceneBuffer.h"

LT_BEGIN_NAMESPACE(LizardTech)


#ifdef SWIG
class LTIEmbeddedImage : public LTIImageFilter
#else
class LTIEmbeddedImage : public LTIOverrideDimensions
                                <LTIOverrideBackgroundPixel
                                <LTIOverrideGeoCoord
                                <LTIImageFilter> > >
#endif
{
   LTI_REFERENCE_COUNTED_BOILERPLATE(LTIEmbeddedImage);
public:
   LT_STATUS initialize(LTIImageStage* srcImage,
                        lt_uint32 newWidth,
                        lt_uint32 newHeight,
                        double newXPos,
                        double newYPos,
                        const LTIPixel* backgroundPixel,
                        const LTIPixel* nodataPixel);


   // LTIImage
   LT_STATUS getDimsAtMag(double mag,
                          lt_uint32 &width,
                          lt_uint32 &height) const;

   // LTIImageStage
   lt_int64 getEncodingCost(const LTIScene& scene) const;
   bool getReaderScene(const LTIScene &decodeScene,
                       LTIScene &readerScene) const;


   LT_STATUS setFillingBackground(bool fill);

   bool getFillingBackground(void) const;

    LT_STATUS setFillMethod(LTIPixelFillMethod method,
                            double fuzzyThreshold /*= LTISceneBuffer::DefaultFuzzyThreshold*/);
   
   LTIPixelFillMethod getFillMethod(void) const;
   double getFuzzyThreshold(void) const;

   // LTIImageStage
   virtual lt_uint32 getModifications(const LTIScene &scene) const;

   // for LizardTech internal use only
   lt_int32 getChildXPosAtMag(double mag) const;
   // for LizardTech internal use only
   lt_int32 getChildYPosAtMag(double mag) const;
   // for LizardTech internal use only
   bool getChildScene(const LTIScene &parentScene, LTIScene &childScene) const;

protected:
   LT_STATUS decodeBegin(const LTIPixel &pixelProps,
                         const LTIScene &fullScene);
   LT_STATUS decodeStrip(LTISceneBuffer &stripBuffer,
                         const LTIScene &stripScene);
   LT_STATUS decodeEnd(void);

private:
   double m_childXPos_P;
   double m_childYPos_P;

   LTIScene m_parentScene;
   LTIScene m_childScene;
   bool m_haveAnything;
   lt_int32 m_firstStrip;
   lt_int32 m_lastStrip;

   bool m_fillingBackground;
   LTIPixelFillMethod m_fillMethod;
   double m_fuzzyThreshold;

   LTIPixel *m_decodePixelProps;
};


LT_END_NAMESPACE(LizardTech)

#endif // LTI_EMBEDDED_IMAGE_H

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LizardTech