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imageoutputdev.h
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C/C++ Source or Header
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1998-11-27
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2KB
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68 lines
//========================================================================
//
// ImageOutputDev.h
//
// Copyright 1998 Derek B. Noonburg
//
//========================================================================
#ifndef IMAGEOUTPUTDEV_H
#define IMAGEOUTPUTDEV_H
#ifdef __GNUC__
#pragma interface
#endif
#include <stdio.h>
#include "gtypes.h"
#include "OutputDev.h"
class GfxState;
//------------------------------------------------------------------------
// ImageOutputDev
//------------------------------------------------------------------------
class ImageOutputDev: public OutputDev {
public:
// Create an OutputDev which will write images to files named
// <fileRoot>-NNN.<type>. Normally, all images are written as PBM
// (.pbm) or PPM (.ppm) files. If <dumpJPEG> is set, JPEG images are
// written as JPEG (.jpg) files.
ImageOutputDev(char *fileRoot1, GBool dumpJPEG1);
// Destructor.
virtual ~ImageOutputDev();
// Check if file was successfully created.
virtual GBool isOk() { return ok; }
//---- get info about output device
// Does this device use upside-down coordinates?
// (Upside-down means (0,0) is the top left corner of the page.)
virtual GBool upsideDown() { return gTrue; }
// Does this device use drawChar() or drawString()?
virtual GBool useDrawChar() { return gFalse; }
//----- image drawing
virtual void drawImageMask(GfxState *state, Stream *str,
int width, int height, GBool invert,
GBool inlineImg);
virtual void drawImage(GfxState *state, Stream *str, int width,
int height, GfxImageColorMap *colorMap,
GBool inlineImg);
private:
char *fileRoot; // root of output file names
char *fileName; // buffer for output file names
GBool dumpJPEG; // set to dump native JPEG files
int imgNum; // current image number
GBool ok; // set up ok?
};
#endif