[thirdparty/cups.git] / pdftops / OutputDev.h

//========================================================================
//
// OutputDev.h
//
// Copyright 1996 Derek B. Noonburg
//
//========================================================================

#ifndef OUTPUTDEV_H
#define OUTPUTDEV_H

#ifdef __GNUC__
#pragma interface
#endif

#include "gtypes.h"

class GString;
class GfxState;
class GfxColorSpace;
class GfxImageColorMap;
class Stream;
class Link;
class Catalog;

//------------------------------------------------------------------------
// OutputDev
//------------------------------------------------------------------------

class OutputDev {
public:

  // Constructor.
  OutputDev() {}

  // Destructor.
  virtual ~OutputDev() {}

  //----- 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() = 0;

  // Does this device use drawChar() or drawString()?
  virtual GBool useDrawChar() = 0;

  //----- initialization and control

  // Set default transform matrix.
  virtual void setDefaultCTM(double *ctm);

  // Start a page.
  virtual void startPage(int pageNum, GfxState *state) {}

  // End a page.
  virtual void endPage() {}

  // Dump page contents to display.
  virtual void dump() {}

  //----- coordinate conversion

  // Convert between device and user coordinates.
  virtual void cvtDevToUser(int dx, int dy, double *ux, double *uy);
  virtual void cvtUserToDev(double ux, double uy, int *dx, int *dy);

  //----- link borders
  virtual void drawLink(Link *link, Catalog *catalog) {}

  //----- save/restore graphics state
  virtual void saveState(GfxState *state) {}
  virtual void restoreState(GfxState *state) {}

  //----- update graphics state
  virtual void updateAll(GfxState *state);
  virtual void updateCTM(GfxState *state, double m11, double m12,
			 double m21, double m22, double m31, double m32) {}
  virtual void updateLineDash(GfxState *state) {}
  virtual void updateFlatness(GfxState *state) {}
  virtual void updateLineJoin(GfxState *state) {}
  virtual void updateLineCap(GfxState *state) {}
  virtual void updateMiterLimit(GfxState *state) {}
  virtual void updateLineWidth(GfxState *state) {}
  virtual void updateFillColor(GfxState *state) {}
  virtual void updateStrokeColor(GfxState *state) {}
  virtual void updateFillOpacity(GfxState *state) {}
  virtual void updateStrokeOpacity(GfxState *state) {}

  //----- update text state
  virtual void updateFont(GfxState *state) {}
  virtual void updateTextMat(GfxState *state) {}
  virtual void updateCharSpace(GfxState *state) {}
  virtual void updateRender(GfxState *state) {}
  virtual void updateRise(GfxState *state) {}
  virtual void updateWordSpace(GfxState *state) {}
  virtual void updateHorizScaling(GfxState *state) {}
  virtual void updateTextPos(GfxState *state) {}
  virtual void updateTextShift(GfxState *state, double shift) {}

  //----- path painting
  virtual void stroke(GfxState *state) {}
  virtual void fill(GfxState *state) {}
  virtual void eoFill(GfxState *state) {}

  //----- path clipping
  virtual void clip(GfxState *state) {}
  virtual void eoClip(GfxState *state) {}

  //----- text drawing
  virtual void beginString(GfxState *state, GString *s) {}
  virtual void endString(GfxState *state) {}
  virtual void drawChar(GfxState *state, double x, double y,
			double dx, double dy, Guchar c) {}
  virtual void drawChar16(GfxState *state, double x, double y,
			  double dx, double dy, int c) {}
  virtual void drawString(GfxState *state, GString *s) {}
  virtual void drawString16(GfxState *state, GString *s) {}

  //----- image drawing
  virtual void drawImageMask(GfxState *state, Object *ref, Stream *str,
			     int width, int height, GBool invert,
			     GBool inlineImg);
  virtual void drawImage(GfxState *state, Object *ref, Stream *str,
			 int width, int height, GfxImageColorMap *colorMap,
			 int *maskColors, GBool inlineImg);

#if OPI_SUPPORT
  //----- OPI functions
  virtual void opiBegin(GfxState *state, Dict *opiDict);
  virtual void opiEnd(GfxState *state, Dict *opiDict);
#endif

private:

  double defCTM[6];		// default coordinate transform matrix
  double defICTM[6];		// inverse of default CTM
};

#endif
Commit	Line	Data
9c72faab	1	//========================================================================
	2	//
	3	// OutputDev.h
	4	//
	5	// Copyright 1996 Derek B. Noonburg
	6	//
	7	//========================================================================
	8
	9	#ifndef OUTPUTDEV_H
	10	#define OUTPUTDEV_H
	11
	12	#ifdef __GNUC__
	13	#pragma interface
	14	#endif
	15
	16	#include "gtypes.h"
	17
	18	class GString;
	19	class GfxState;
	20	class GfxColorSpace;
	21	class GfxImageColorMap;
	22	class Stream;
52118ca3	23	class Link;
52118ca3	24	class Catalog;
9c72faab	25
	26	//------------------------------------------------------------------------
	27	// OutputDev
	28	//------------------------------------------------------------------------
	29
	30	class OutputDev {
	31	public:
	32
	33	// Constructor.
	34	OutputDev() {}
	35
	36	// Destructor.
	37	virtual ~OutputDev() {}
	38
	39	//----- get info about output device
	40
	41	// Does this device use upside-down coordinates?
	42	// (Upside-down means (0,0) is the top left corner of the page.)
	43	virtual GBool upsideDown() = 0;
	44
	45	// Does this device use drawChar() or drawString()?
	46	virtual GBool useDrawChar() = 0;
	47
	48	//----- initialization and control
	49
	50	// Set default transform matrix.
753453e4	51	virtual void setDefaultCTM(double *ctm);
9c72faab	52
9c72faab	53	// Start a page.
753453e4	54	virtual void startPage(int pageNum, GfxState *state) {}
9c72faab	55
	56	// End a page.
	57	virtual void endPage() {}
	58
	59	// Dump page contents to display.
	60	virtual void dump() {}
	61
	62	//----- coordinate conversion
	63
	64	// Convert between device and user coordinates.
	65	virtual void cvtDevToUser(int dx, int dy, double ux, double uy);
	66	virtual void cvtUserToDev(double ux, double uy, int dx, int dy);
	67
	68	//----- link borders
753453e4	69	virtual void drawLink(Link link, Catalog catalog) {}
9c72faab	70
9c72faab	71	//----- save/restore graphics state
753453e4	72	virtual void saveState(GfxState *state) {}
753453e4	73	virtual void restoreState(GfxState *state) {}
9c72faab	74
	75	//----- update graphics state
	76	virtual void updateAll(GfxState *state);
753453e4	77	virtual void updateCTM(GfxState *state, double m11, double m12,
	78	double m21, double m22, double m31, double m32) {}
	79	virtual void updateLineDash(GfxState *state) {}
	80	virtual void updateFlatness(GfxState *state) {}
	81	virtual void updateLineJoin(GfxState *state) {}
	82	virtual void updateLineCap(GfxState *state) {}
	83	virtual void updateMiterLimit(GfxState *state) {}
	84	virtual void updateLineWidth(GfxState *state) {}
	85	virtual void updateFillColor(GfxState *state) {}
	86	virtual void updateStrokeColor(GfxState *state) {}
	87	virtual void updateFillOpacity(GfxState *state) {}
	88	virtual void updateStrokeOpacity(GfxState *state) {}
	89
	90	//----- update text state
	91	virtual void updateFont(GfxState *state) {}
	92	virtual void updateTextMat(GfxState *state) {}
	93	virtual void updateCharSpace(GfxState *state) {}
	94	virtual void updateRender(GfxState *state) {}
	95	virtual void updateRise(GfxState *state) {}
	96	virtual void updateWordSpace(GfxState *state) {}
	97	virtual void updateHorizScaling(GfxState *state) {}
	98	virtual void updateTextPos(GfxState *state) {}
	99	virtual void updateTextShift(GfxState *state, double shift) {}
9c72faab	100
9c72faab	101	//----- path painting
753453e4	102	virtual void stroke(GfxState *state) {}
	103	virtual void fill(GfxState *state) {}
	104	virtual void eoFill(GfxState *state) {}
9c72faab	105
9c72faab	106	//----- path clipping
753453e4	107	virtual void clip(GfxState *state) {}
753453e4	108	virtual void eoClip(GfxState *state) {}
9c72faab	109
9c72faab	110	//----- text drawing
753453e4	111	virtual void beginString(GfxState state, GString s) {}
	112	virtual void endString(GfxState *state) {}
	113	virtual void drawChar(GfxState *state, double x, double y,
	114	double dx, double dy, Guchar c) {}
	115	virtual void drawChar16(GfxState *state, double x, double y,
	116	double dx, double dy, int c) {}
	117	virtual void drawString(GfxState state, GString s) {}
	118	virtual void drawString16(GfxState state, GString s) {}
9c72faab	119
9c72faab	120	//----- image drawing
b5cb0608	121	virtual void drawImageMask(GfxState state, Object ref, Stream *str,
9c72faab	122	int width, int height, GBool invert,
9c72faab	123	GBool inlineImg);
b5cb0608	124	virtual void drawImage(GfxState state, Object ref, Stream *str,
b5cb0608	125	int width, int height, GfxImageColorMap *colorMap,
753453e4	126	int *maskColors, GBool inlineImg);
9c72faab	127
52118ca3	128	#if OPI_SUPPORT
	129	//----- OPI functions
	130	virtual void opiBegin(GfxState state, Dict opiDict);
	131	virtual void opiEnd(GfxState state, Dict opiDict);
	132	#endif
	133
9c72faab	134	private:
9c72faab	135
753453e4	136	double defCTM[6]; // default coordinate transform matrix
753453e4	137	double defICTM[6]; // inverse of default CTM
9c72faab	138	};
	139
	140	#endif