summaryrefslogtreecommitdiff
path: root/Build/source/libs/xpdf/xpdf-src/splash/SplashState.h
blob: be64b4723337bf3db2fec21e5a510bdebc939cf7 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
//========================================================================
//
// SplashState.h
//
// Copyright 2003-2013 Glyph & Cog, LLC
//
//========================================================================

#ifndef SPLASHSTATE_H
#define SPLASHSTATE_H

#include <aconf.h>

#ifdef USE_GCC_PRAGMAS
#pragma interface
#endif

#include "SplashTypes.h"

class SplashPattern;
class SplashScreen;
class SplashClip;
class SplashBitmap;
class SplashPath;

//------------------------------------------------------------------------
// line cap values
//------------------------------------------------------------------------

#define splashLineCapButt       0
#define splashLineCapRound      1
#define splashLineCapProjecting 2

//------------------------------------------------------------------------
// line join values
//------------------------------------------------------------------------

#define splashLineJoinMiter     0
#define splashLineJoinRound     1
#define splashLineJoinBevel     2

//------------------------------------------------------------------------
// SplashState
//------------------------------------------------------------------------

class SplashState {
public:

  // Create a new state object, initialized with default settings.
  SplashState(int width, int height, GBool vectorAntialias,
	      SplashScreenParams *screenParams);
  SplashState(int width, int height, GBool vectorAntialias,
	      SplashScreen *screenA);

  // Copy a state object.
  SplashState *copy() { return new SplashState(this); }

  ~SplashState();

  // Set the stroke pattern.  This does not copy <strokePatternA>.
  void setStrokePattern(SplashPattern *strokePatternA);

  // Set the fill pattern.  This does not copy <fillPatternA>.
  void setFillPattern(SplashPattern *fillPatternA);

  // Set the screen.  This does not copy <screenA>.
  void setScreen(SplashScreen *screenA);

  // Set the line dash pattern.  This copies the <lineDashA> array.
  void setLineDash(SplashCoord *lineDashA, int lineDashLengthA,
		   SplashCoord lineDashPhaseA);

  // Returns true if the current line dash pattern contains one or
  // more zero-length "on" sections (dashes).
  GBool lineDashContainsZeroLengthDashes();

  void clipResetToRect(SplashCoord x0, SplashCoord y0,
		       SplashCoord x1, SplashCoord y1);
  SplashError clipToRect(SplashCoord x0, SplashCoord y0,
			 SplashCoord x1, SplashCoord y1);
  SplashError clipToPath(SplashPath *path, GBool eo);

  // Set the soft mask bitmap.
  void setSoftMask(SplashBitmap *softMaskA, GBool deleteBitmap = gTrue);

  // Set the transfer function.
  void setTransfer(Guchar *red, Guchar *green, Guchar *blue, Guchar *gray);


private:

  SplashState(SplashState *state);

  SplashCoord matrix[6];
  SplashPattern *strokePattern;
  SplashPattern *fillPattern;
  SplashScreen *screen;
  SplashBlendFunc blendFunc;
  SplashCoord strokeAlpha;
  SplashCoord fillAlpha;
  SplashCoord lineWidth;
  int lineCap;
  int lineJoin;
  SplashCoord miterLimit;
  SplashCoord flatness;
  SplashCoord *lineDash;
  int lineDashLength;
  SplashCoord lineDashPhase;
  SplashStrokeAdjustMode strokeAdjust;
  SplashClip *clip;
  GBool clipIsShared;
  SplashBitmap *softMask;
  GBool deleteSoftMask;
  GBool inNonIsolatedGroup;
  GBool inKnockoutGroup;
  Guchar *rgbTransferR;
  Guchar *rgbTransferG;
  Guchar *rgbTransferB;
  Guchar *grayTransfer;
#if SPLASH_CMYK
  Guchar *cmykTransferC;
  Guchar *cmykTransferM;
  Guchar *cmykTransferY;
  Guchar *cmykTransferK;
#endif
  GBool transferIsShared;
  Guint overprintMask;
  GBool enablePathSimplification;


  SplashState *next;		// used by Splash class

  friend class Splash;
};

#endif