IMG_FileFilterWindow.h

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/*
 * PROPRIETARY INFORMATION.  This software is proprietary to
 * Side Effects Software Inc., and is not to be reproduced,
 * transmitted, or disclosed in any way without written permission.
 *
 * NAME:        IMG_FileFilterWindow ( IMG Library, C++)
 *
 * COMMENTS:
 *
 *    Implements data windowing abstraction for files.
 *
 */

#pragma once

#ifndef IMG_FILE_FILTER_WINDOW_H
#define IMG_FILE_FILTER_WINDOW_H

#include "IMG_API.h"
#include "IMG_FileFilter.h"
#include <UT/UT_IntArray.h>
#include <UT/UT_NonCopyable.h>
#include <UT/UT_Rect.h>
#include <UT/UT_ValArray.h>

class PXL_FillParms;

class IMG_API IMG_FileFilterWindow : public IMG_FileFilter
{
public:
             IMG_FileFilterWindow(IMG_File *file_to_filter);
            ~IMG_FileFilterWindow() override;

             UT_NON_COPYABLE(IMG_FileFilterWindow)

    const char  *className() const override { return "IMG_FileFilterWindow"; }
    
    void        initWindow(const UT_DimRect &user_area);

    const void  *readPlaneScanline(int y, const IMG_Plane &pi) override;
    
    int          writePlaneScanline(const void *data, int y,
                                    const IMG_Plane &pi) override;

    void         computeCommonData() override;
    
    int          getDeepPixelSamples(int x, int y) override;
    bool         getDeepPixelPlaneData(int x, int y,
                                       const IMG_Plane &plane,
                                       float *data) override;
    bool         getDeepPixelData(int x, int y, float * const *data) override;
    bool         readDeepPixelData(int x, int y,
                                   PXL_DeepSampleList &p) override;
    bool         writeDeepPixelData(int x, int y,
                                    const PXL_DeepSampleListPtr &p) override;
private:
    
    void         fillBG(void *buffer, const IMG_Plane &pi,
                        PXL_FillParms *parms);
    void         fillScan(void *buffer, const void *input,
                          const IMG_Plane &pi,
                          IMG_Stat &stat, IMG_Stat &istat);
    void         clearScan(void *buffer, const IMG_Plane &pi);
    
    void         finishedScanline(int scan) override;

    bool         computeXY(int &x, int &y);
    
    UT_DimRect  myInWindow;
    UT_DimRect  myOutWindow;
    bool        myDisjointFlag;
    fpreal      myBGColor[4];
    bool        myStreakFlag;
    
    UT_ValArray<PXL_FillParms *> myPlaneFill;
    UT_ValArray<PXL_FillParms *> myPlaneFillLeft;
    UT_ValArray<PXL_FillParms *> myPlaneFillRight;
    UT_IntArray                  myPlaneScanline;
};

#endif