pdftops/SplashState.h

   1 //========================================================================
   2 //
   3 // SplashState.h
   4 //
   5 //========================================================================
   6
   7 #ifndef SPLASHSTATE_H
   8 #define SPLASHSTATE_H
   9
  10 #include <config.h>
  11
  12 #ifdef USE_GCC_PRAGMAS
  13 #pragma interface
  14 #endif
  15
  16 #include "SplashTypes.h"
  17
  18 class SplashPattern;
  19 class SplashScreen;
  20 class SplashClip;
  21
  22 //------------------------------------------------------------------------
  23 // line cap values
  24 //------------------------------------------------------------------------
  25
  26 #define splashLineCapButt       0
  27 #define splashLineCapRound      1
  28 #define splashLineCapProjecting 2
  29
  30 //------------------------------------------------------------------------
  31 // line join values
  32 //------------------------------------------------------------------------
  33
  34 #define splashLineJoinMiter     0
  35 #define splashLineJoinRound     1
  36 #define splashLineJoinBevel     2
  37
  38 //------------------------------------------------------------------------
  39 // SplashState
  40 //------------------------------------------------------------------------
  41
  42 class SplashState {
  43 public:
  44
  45   // Create a new state object, initialized with default settings.
  46   SplashState(int width, int height);
  47
  48   // Copy a state object.
  49   SplashState *copy() { return new SplashState(this); }
  50
  51   ~SplashState();
  52
  53   // Set the stroke pattern.  This does not copy <strokePatternA>.
  54   void setStrokePattern(SplashPattern *strokePatternA);
  55
  56   // Set the fill pattern.  This does not copy <fillPatternA>.
  57   void setFillPattern(SplashPattern *fillPatternA);
  58
  59   // Set the screen.  This does not copy <screenA>.
  60   void setScreen(SplashScreen *screenA);
  61
  62   // Set the line dash pattern.  This copies the <lineDashA> array.
  63   void setLineDash(SplashCoord *lineDashA, int lineDashLengthA,
  64                    SplashCoord lineDashPhaseA);
  65
  66 private:
  67
  68   SplashState(SplashState *state);
  69
  70   SplashPattern *strokePattern;
  71   SplashPattern *fillPattern;
  72   SplashScreen *screen;
  73   SplashBlendFunc blendFunc;
  74   SplashCoord strokeAlpha;
  75   SplashCoord fillAlpha;
  76   SplashCoord lineWidth;
  77   int lineCap;
  78   int lineJoin;
  79   SplashCoord miterLimit;
  80   SplashCoord flatness;
  81   SplashCoord *lineDash;
  82   int lineDashLength;
  83   SplashCoord lineDashPhase;
  84   SplashClip *clip;
  85
  86   SplashState *next;            // used by Splash class
  87
  88   friend class Splash;
  89 };
  90
  91 #endif