source/libs/poppler/poppler-src/splash/SplashState.h

   1 //========================================================================
   2 //
   3 // SplashState.h
   4 //
   5 //========================================================================
   6
   7 //========================================================================
   8 //
   9 // Modified under the Poppler project - http://poppler.freedesktop.org
  10 //
  11 // All changes made under the Poppler project to this file are licensed
  12 // under GPL version 2 or later
  13 //
  14 // Copyright (C) 2011, 2012, 2015 Thomas Freitag <Thomas.Freitag@alfa.de>
  15 //
  16 // To see a description of the changes please see the Changelog file that
  17 // came with your tarball or type make ChangeLog if you are building from git
  18 //
  19 //========================================================================
  20
  21 #ifndef SPLASHSTATE_H
  22 #define SPLASHSTATE_H
  23
  24 #ifdef USE_GCC_PRAGMAS
  25 #pragma interface
  26 #endif
  27
  28 #include "SplashTypes.h"
  29
  30 class SplashPattern;
  31 class SplashScreen;
  32 class SplashClip;
  33 class SplashBitmap;
  34
  35 //------------------------------------------------------------------------
  36 // line cap values
  37 //------------------------------------------------------------------------
  38
  39 #define splashLineCapButt       0
  40 #define splashLineCapRound      1
  41 #define splashLineCapProjecting 2
  42
  43 //------------------------------------------------------------------------
  44 // line join values
  45 //------------------------------------------------------------------------
  46
  47 #define splashLineJoinMiter     0
  48 #define splashLineJoinRound     1
  49 #define splashLineJoinBevel     2
  50
  51 //------------------------------------------------------------------------
  52 // SplashState
  53 //------------------------------------------------------------------------
  54
  55 class SplashState {
  56 public:
  57
  58   // Create a new state object, initialized with default settings.
  59   SplashState(int width, int height, GBool vectorAntialias,
  60               SplashScreenParams *screenParams);
  61   SplashState(int width, int height, GBool vectorAntialias,
  62               SplashScreen *screenA);
  63
  64   // Copy a state object.
  65   SplashState *copy() { return new SplashState(this); }
  66
  67   ~SplashState();
  68
  69   // Set the stroke pattern.  This does not copy <strokePatternA>.
  70   void setStrokePattern(SplashPattern *strokePatternA);
  71
  72   // Set the fill pattern.  This does not copy <fillPatternA>.
  73   void setFillPattern(SplashPattern *fillPatternA);
  74
  75   // Set the screen.  This does not copy <screenA>.
  76   void setScreen(SplashScreen *screenA);
  77
  78   // Set the line dash pattern.  This copies the <lineDashA> array.
  79   void setLineDash(SplashCoord *lineDashA, int lineDashLengthA,
  80                    SplashCoord lineDashPhaseA);
  81
  82   // Set the soft mask bitmap.
  83   void setSoftMask(SplashBitmap *softMaskA);
  84
  85   // Set the overprint parametes.
  86   void setFillOverprint(GBool fillOverprintA) { fillOverprint = fillOverprintA; }
  87   void setStrokeOverprint(GBool strokeOverprintA) { strokeOverprint = strokeOverprintA; }
  88   void setOverprintMode(int overprintModeA) { overprintMode = overprintModeA; }
  89
  90   // Set the transfer function.
  91   void setTransfer(Guchar *red, Guchar *green, Guchar *blue, Guchar *gray);
  92
  93 private:
  94
  95   SplashState(SplashState *state);
  96
  97   SplashCoord matrix[6];
  98   SplashPattern *strokePattern;
  99   SplashPattern *fillPattern;
 100   SplashScreen *screen;
 101   SplashBlendFunc blendFunc;
 102   SplashCoord strokeAlpha;
 103   SplashCoord fillAlpha;
 104   GBool multiplyPatternAlpha;
 105   SplashCoord patternStrokeAlpha;
 106   SplashCoord patternFillAlpha;
 107   SplashCoord lineWidth;
 108   int lineCap;
 109   int lineJoin;
 110   SplashCoord miterLimit;
 111   SplashCoord flatness;
 112   SplashCoord *lineDash;
 113   int lineDashLength;
 114   SplashCoord lineDashPhase;
 115   GBool strokeAdjust;
 116   SplashClip *clip;
 117   SplashBitmap *softMask;
 118   GBool deleteSoftMask;
 119   GBool inNonIsolatedGroup;
 120   GBool fillOverprint;
 121   GBool strokeOverprint;
 122   int overprintMode;
 123   Guchar rgbTransferR[256],
 124          rgbTransferG[256],
 125          rgbTransferB[256];
 126   Guchar grayTransfer[256];
 127 #if SPLASH_CMYK
 128   Guchar cmykTransferC[256],
 129          cmykTransferM[256],
 130          cmykTransferY[256],
 131          cmykTransferK[256];
 132   Guchar deviceNTransfer[SPOT_NCOMPS+4][256];
 133 #endif
 134   Guint overprintMask;
 135   GBool overprintAdditive;
 136
 137   SplashState *next;            // used by Splash class
 138
 139   friend class Splash;
 140 };
 141
 142 #endif