rosapps/smartpdf/poppler/splash/SplashPattern.h

   1 //========================================================================
   2 //
   3 // SplashPattern.h
   4 //
   5 //========================================================================
   6
   7 #ifndef SPLASHPATTERN_H
   8 #define SPLASHPATTERN_H
   9
  10 #ifdef USE_GCC_PRAGMAS
  11 #pragma interface
  12 #endif
  13
  14 #include "SplashTypes.h"
  15
  16 class SplashScreen;
  17
  18 //------------------------------------------------------------------------
  19 // SplashPattern
  20 //------------------------------------------------------------------------
  21
  22 class SplashPattern {
  23 public:
  24
  25   SplashPattern();
  26
  27   virtual SplashPattern *copy() = 0;
  28
  29   virtual ~SplashPattern();
  30
  31   // Return the color value for a specific pixel.
  32   virtual void getColor(int x, int y, SplashColorPtr c) = 0;
  33
  34   // Returns true if this pattern object will return the same color
  35   // value for all pixels.
  36   virtual GBool isStatic() = 0;
  37
  38 private:
  39 };
  40
  41 //------------------------------------------------------------------------
  42 // SplashSolidColor
  43 //------------------------------------------------------------------------
  44
  45 class SplashSolidColor: public SplashPattern {
  46 public:
  47
  48   SplashSolidColor(SplashColorPtr colorA);
  49
  50   virtual SplashPattern *copy() { return new SplashSolidColor(color); }
  51
  52   virtual ~SplashSolidColor();
  53
  54   virtual void getColor(int x, int y, SplashColorPtr c);
  55
  56   virtual GBool isStatic() { return gTrue; }
  57
  58 private:
  59
  60   SplashColor color;
  61 };
  62
  63 //------------------------------------------------------------------------
  64 // SplashHalftone
  65 //------------------------------------------------------------------------
  66
  67 class SplashHalftone: public SplashPattern {
  68 public:
  69
  70   SplashHalftone(SplashColorPtr color0A, SplashColorPtr color1A,
  71                  SplashScreen *screenA, SplashCoord valueA);
  72
  73   virtual SplashPattern *copy();
  74
  75   virtual ~SplashHalftone();
  76
  77   virtual void getColor(int x, int y, SplashColorPtr c);
  78
  79   virtual GBool isStatic();
  80
  81 private:
  82
  83   SplashColor color0, color1;
  84   SplashScreen *screen;
  85   SplashCoord value;
  86 };
  87
  88 #endif