summaryrefslogtreecommitdiffstats
path: root/kpdf/xpdf/xpdf/OutputDev.cpp
blob: 1b394ad40ccc9d23fd2ee1ab328db80b08547aee (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
//========================================================================
//
// OutputDev.cpp
//
// Copyright 1996-2003 Glyph & Cog, LLC
//
//========================================================================

#include <aconf.h>

#ifdef USE_GCC_PRAGMAS
#pragma implementation
#endif

#include <stddef.h>
#include "Object.h"
#include "Stream.h"
#include "GfxState.h"
#include "OutputDev.h"

//------------------------------------------------------------------------
// OutputDev
//------------------------------------------------------------------------

void OutputDev::setDefaultCTM(double *ctm) {
  int i;
  double det;

  for (i = 0; i < 6; ++i) {
    defCTM[i] = ctm[i];
  }
  det = 1 / (defCTM[0] * defCTM[3] - defCTM[1] * defCTM[2]);
  defICTM[0] = defCTM[3] * det;
  defICTM[1] = -defCTM[1] * det;
  defICTM[2] = -defCTM[2] * det;
  defICTM[3] = defCTM[0] * det;
  defICTM[4] = (defCTM[2] * defCTM[5] - defCTM[3] * defCTM[4]) * det;
  defICTM[5] = (defCTM[1] * defCTM[4] - defCTM[0] * defCTM[5]) * det;
}

void OutputDev::cvtDevToUser(double dx, double dy, double *ux, double *uy) {
  *ux = defICTM[0] * dx + defICTM[2] * dy + defICTM[4];
  *uy = defICTM[1] * dx + defICTM[3] * dy + defICTM[5];
}

void OutputDev::cvtUserToDev(double ux, double uy, int *dx, int *dy) {
  *dx = (int)(defCTM[0] * ux + defCTM[2] * uy + defCTM[4] + 0.5);
  *dy = (int)(defCTM[1] * ux + defCTM[3] * uy + defCTM[5] + 0.5);
}

void OutputDev::updateAll(GfxState *state) {
  updateLineDash(state);
  updateFlatness(state);
  updateLineJoin(state);
  updateLineCap(state);
  updateMiterLimit(state);
  updateLineWidth(state);
  updateStrokeAdjust(state);
  updateFillColorSpace(state);
  updateFillColor(state);
  updateStrokeColorSpace(state);
  updateStrokeColor(state);
  updateBlendMode(state);
  updateFillOpacity(state);
  updateStrokeOpacity(state);
  updateFillOverprint(state);
  updateStrokeOverprint(state);
  updateTransfer(state);
  updateFont(state);
}

GBool OutputDev::beginType3Char(GfxState * /*state*/, double /*x*/, double /*y*/,
				double /*dx*/, double /*dy*/,
				CharCode /*code*/, Unicode * /*u*/, int /*uLen*/) {
  return gFalse;
}

void OutputDev::drawImageMask(GfxState * /*state*/, Object * /*ref*/, Stream *str,
			      int width, int height, GBool /*invert*/,
			      GBool inlineImg) {
  int i, j;

  if (inlineImg) {
    str->reset();
    j = height * ((width + 7) / 8);
    for (i = 0; i < j; ++i)
      str->getChar();
    str->close();
  }
}

void OutputDev::drawImage(GfxState * /*state*/, Object * /*ref*/, Stream *str,
			  int width, int height, GfxImageColorMap *colorMap,
			  int * /*maskColors*/, GBool inlineImg) {
  int i, j;

  if (inlineImg) {
    str->reset();
    j = height * ((width * colorMap->getNumPixelComps() *
		   colorMap->getBits() + 7) / 8);
    for (i = 0; i < j; ++i)
      str->getChar();
    str->close();
  }
}

void OutputDev::drawMaskedImage(GfxState *state, Object *ref, Stream *str,
				int width, int height,
				GfxImageColorMap *colorMap,
				Stream * /*maskStr*/,
				int /*maskWidth*/, int /*maskHeight*/,
				GBool /*maskInvert*/) {
  drawImage(state, ref, str, width, height, colorMap, NULL, gFalse);
}

void OutputDev::drawSoftMaskedImage(GfxState *state, Object *ref, Stream *str,
				    int width, int height,
				    GfxImageColorMap *colorMap,
				    Stream * /*maskStr*/,
				    int /*maskWidth*/, int /*maskHeight*/,
				    GfxImageColorMap * /*maskColorMap*/) {
  drawImage(state, ref, str, width, height, colorMap, NULL, gFalse);
}

#if OPI_SUPPORT
void OutputDev::opiBegin(GfxState *state, Dict *opiDict) {
}

void OutputDev::opiEnd(GfxState *state, Dict *opiDict) {
}
#endif