arospdf/splash/SplashState.h

   1 //========================================================================
   2 //
   3 // SplashState.h
   4 //
   5 //========================================================================
   6
   7 #ifndef SPLASHSTATE_H
   8 #define SPLASHSTATE_H
   9
  10 #include <aconf.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 class SplashBitmap;
  22
  23 //------------------------------------------------------------------------
  24 // line cap values
  25 //------------------------------------------------------------------------
  26
  27 #define splashLineCapButt       0
  28 #define splashLineCapRound      1
  29 #define splashLineCapProjecting 2
  30
  31 //------------------------------------------------------------------------
  32 // line join values
  33 //------------------------------------------------------------------------
  34
  35 #define splashLineJoinMiter     0
  36 #define splashLineJoinRound     1
  37 #define splashLineJoinBevel     2
  38
  39 //------------------------------------------------------------------------
  40 // SplashState
  41 //------------------------------------------------------------------------
  42
  43 class SplashState {
  44 public:
  45
  46   // Create a new state object, initialized with default settings.
  47   SplashState(int width, int height, GBool vectorAntialias,
  48               SplashScreenParams *screenParams);
  49   SplashState(int width, int height, GBool vectorAntialias,
  50               SplashScreen *screenA);
  51
  52   // Copy a state object.
  53   SplashState *copy() { return new SplashState(this); }
  54
  55   ~SplashState();
  56
  57   // Set the stroke pattern.  This does not copy <strokePatternA>.
  58   void setStrokePattern(SplashPattern *strokePatternA);
  59
  60   // Set the fill pattern.  This does not copy <fillPatternA>.
  61   void setFillPattern(SplashPattern *fillPatternA);
  62
  63   // Set the screen.  This does not copy <screenA>.
  64   void setScreen(SplashScreen *screenA);
  65
  66   // Set the line dash pattern.  This copies the <lineDashA> array.
  67   void setLineDash(SplashCoord *lineDashA, int lineDashLengthA,
  68                    SplashCoord lineDashPhaseA);
  69
  70   // Set the soft mask bitmap.
  71   void setSoftMask(SplashBitmap *softMaskA);
  72
  73 private:
  74
  75   SplashState(SplashState *state);
  76
  77   SplashCoord matrix[6];
  78   SplashPattern *strokePattern;
  79   SplashPattern *fillPattern;
  80   SplashScreen *screen;
  81   SplashBlendFunc blendFunc;
  82   SplashCoord strokeAlpha;
  83   SplashCoord fillAlpha;
  84   SplashCoord lineWidth;
  85   int lineCap;
  86   int lineJoin;
  87   SplashCoord miterLimit;
  88   SplashCoord flatness;
  89   SplashCoord *lineDash;
  90   int lineDashLength;
  91   SplashCoord lineDashPhase;
  92   GBool strokeAdjust;
  93   SplashClip *clip;
  94   SplashBitmap *softMask;
  95   GBool deleteSoftMask;
  96   GBool inNonIsolatedGroup;
  97
  98   SplashState *next;            // used by Splash class
  99
 100   friend class Splash;
 101 };
 102
 103 #endif