IMG_FileFilterTile.h

Go to the documentation of this file.

/*
 * 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_FileFilterTile ( IMG Library, C++)
 *
 * COMMENTS:
 *
 *    Allows reading and writing files using a tile interface rather than
 *    scanlines.
 */
#ifndef IMG_FILE_FILTER_TILE_H
#define IMG_FILE_FILTER_TILE_H

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

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

             UT_NON_COPYABLE(IMG_FileFilterTile)

    const char  *className() const override { return "IMG_FileFilterTile"; }

    void        initTile(IMG_Interleave i);

    bool         readTile(const UT_InclusiveRect &rect,
                          void *data, const IMG_Plane *plane=0) override;
    
    bool         writeTile(const UT_InclusiveRect &rect,
                           const void *data,
                           const IMG_Plane *plane=0) override;
    
    void         computeCommonData() override;
private:
    
    // These methods do not work with tiles. Do not call them.
    //
    const void  *readPlaneScanline(int y, const IMG_Plane &pi) override;
    
    int          writePlaneScanline(const void *data, int y,
                                    const IMG_Plane &pi) override;

    int myWidth;
    int myHeight;
    IMG_Interleave myInterleaved;
    UT_ValArray<UT_IntArray *> myProcessedPixels;
};





#endif