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/*
 * Smithsonian Astrophysical Observatory, Cambridge, MA, USA
 * This code has been modified under the terms listed below and is made
 * available under the same terms.
 */

/*
 *	Copyright 1993-2004 George A Howlett.
 *
 *	Permission is hereby granted, free of charge, to any person obtaining
 *	a copy of this software and associated documentation files (the
 *	"Software"), to deal in the Software without restriction, including
 *	without limitation the rights to use, copy, modify, merge, publish,
 *	distribute, sublicense, and/or sell copies of the Software, and to
 *	permit persons to whom the Software is furnished to do so, subject to
 *	the following conditions:
 *
 *	The above copyright notice and this permission notice shall be
 *	included in all copies or substantial portions of the Software.
 *
 *	THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 *	EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 *	MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 *	NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
 *	LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
 *	OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
 *	WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */

#ifndef _BLT_PS_H
#define _BLT_PS_H

#include <tk.h>

#define POSTSCRIPT_BUFSIZ ((BUFSIZ*2)-1)

class Graph;
class PageSetup;

class PostScript {
 protected:
  Graph* graphPtr_;
  Tcl_DString dString_;
  char scratchArr_[POSTSCRIPT_BUFSIZ+1];

 protected:
  void addComments(const char**);
  void XColorToPostScript(XColor*);
  unsigned char reverseBits(unsigned char);
  void byteToHex(unsigned char, char*);
  void setJoinStyle(int);
  void setCapStyle(int);
  void prolog();

 public:
  PostScript(Graph*);
  virtual ~PostScript();

  void printPolyline(Point2d*, int);
  void printMaxPolyline(Point2d*, int);
  void printSegments(Segment2d*, int);
  void printBitmap(Display*, Pixmap, double, double);
  void printRectangle(int, int, int, int);
  void printPolygon(Point2d*, int);
  void print3DRectangle(Tk_3DBorder, double, double, int, int, int, int);
  void printText(const char*, double, double);

  void fillRectangle(double, double, int, int);
  void fillRectangles(XRectangle*, int);
  void fill3DRectangle(Tk_3DBorder, double, double, int, int, int, int);
  void fillPolygon(Point2d*, int);

  void setFont(Tk_Font); 
  void setLineWidth(int);
  void setBackground(XColor*);
  void setForeground(XColor*);
  void setLineAttributes(XColor*,int, Dashes*, int, int);
  void setClearBackground();
  void setDashes(Dashes*);
  void setBitmap(Display*, Pixmap, int, int);

  int preamble(const char*);
  int computeBBox(int, int);
  const char* getValue(int*);
  void append(const char*);
  void format(const char*, ...);
  void varAppend(const char*, ...);
};

#endif