Coverage Report

Created: 2026-05-30 06:25

next uncovered line (L), next uncovered region (R), next uncovered branch (B)
/src/xpdf-4.06/splash/SplashState.cc
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//========================================================================
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//
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// SplashState.cc
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//
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// Copyright 2003-2013 Glyph & Cog, LLC
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//
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//========================================================================
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#include <aconf.h>
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#include <string.h>
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#include "gmem.h"
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#include "gmempp.h"
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#include "SplashPattern.h"
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#include "SplashScreen.h"
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#include "SplashClip.h"
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#include "SplashBitmap.h"
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#include "SplashState.h"
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//------------------------------------------------------------------------
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// SplashState
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//------------------------------------------------------------------------
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// number of components in each color mode
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int splashColorModeNComps[] = {
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  1, 1, 3, 3
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#if SPLASH_CMYK
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  , 4
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#endif
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};
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SplashState::SplashState(int width, int height, GBool vectorAntialias,
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329k
       SplashScreenParams *screenParams) {
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329k
  SplashColor color;
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329k
  int i;
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329k
  matrix[0] = 1;  matrix[1] = 0;
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329k
  matrix[2] = 0;  matrix[3] = 1;
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329k
  matrix[4] = 0;  matrix[5] = 0;
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329k
  memset(&color, 0, sizeof(SplashColor));
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329k
  strokePattern = new SplashSolidColor(color);
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329k
  fillPattern = new SplashSolidColor(color);
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329k
  screen = new SplashScreen(screenParams);
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329k
  blendFunc = NULL;
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329k
  strokeAlpha = 1;
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329k
  fillAlpha = 1;
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329k
  lineWidth = 1;
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329k
  lineCap = splashLineCapButt;
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329k
  lineJoin = splashLineJoinMiter;
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329k
  miterLimit = 10;
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329k
  flatness = 1;
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329k
  lineDash = NULL;
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329k
  lineDashLength = 0;
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329k
  lineDashPhase = 0;
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329k
  strokeAdjust = splashStrokeAdjustOff;
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329k
  alphaIsShape = gFalse;
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329k
  clip = new SplashClip(0, 0, width, height);
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329k
  clipIsShared = gFalse;
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329k
  softMask = NULL;
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329k
  deleteSoftMask = gFalse;
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329k
  inNonIsolatedGroup = gFalse;
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329k
  inKnockoutGroup = gFalse;
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329k
#if SPLASH_CMYK
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329k
  rgbTransferR = (Guchar *)gmalloc(8 * 256);
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329k
  rgbTransferG = rgbTransferR + 256;
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329k
  rgbTransferB = rgbTransferG + 256;
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329k
  grayTransfer = rgbTransferB + 256;
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329k
  cmykTransferC = grayTransfer + 256;
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329k
  cmykTransferM = cmykTransferC + 256;
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329k
  cmykTransferY = cmykTransferM + 256;
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329k
  cmykTransferK = cmykTransferY + 256;
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#else
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  rgbTransferR = (Guchar *)gmalloc(4 * 256);
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  rgbTransferG = rgbTransferR + 256;
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  rgbTransferB = rgbTransferG + 256;
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  grayTransfer = rgbTransferB + 256;
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#endif
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84.7M
  for (i = 0; i < 256; ++i) {
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84.4M
    rgbTransferR[i] = (Guchar)i;
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84.4M
    rgbTransferG[i] = (Guchar)i;
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84.4M
    rgbTransferB[i] = (Guchar)i;
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84.4M
    grayTransfer[i] = (Guchar)i;
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84.4M
#if SPLASH_CMYK
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84.4M
    cmykTransferC[i] = (Guchar)i;
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84.4M
    cmykTransferM[i] = (Guchar)i;
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84.4M
    cmykTransferY[i] = (Guchar)i;
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84.4M
    cmykTransferK[i] = (Guchar)i;
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84.4M
#endif
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84.4M
  }
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329k
  transferIsShared = gFalse;
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329k
  overprintMask = 0xffffffff;
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329k
  enablePathSimplification = gFalse;
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329k
  next = NULL;
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329k
}
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SplashState::SplashState(int width, int height, GBool vectorAntialias,
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5.72k
       SplashScreen *screenA) {
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5.72k
  SplashColor color;
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5.72k
  int i;
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5.72k
  matrix[0] = 1;  matrix[1] = 0;
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5.72k
  matrix[2] = 0;  matrix[3] = 1;
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5.72k
  matrix[4] = 0;  matrix[5] = 0;
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5.72k
  memset(&color, 0, sizeof(SplashColor));
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5.72k
  strokePattern = new SplashSolidColor(color);
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5.72k
  fillPattern = new SplashSolidColor(color);
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5.72k
  screen = screenA->copy();
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5.72k
  blendFunc = NULL;
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5.72k
  strokeAlpha = 1;
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5.72k
  fillAlpha = 1;
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5.72k
  lineWidth = 1;
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5.72k
  lineCap = splashLineCapButt;
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5.72k
  lineJoin = splashLineJoinMiter;
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5.72k
  miterLimit = 10;
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5.72k
  flatness = 1;
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5.72k
  lineDash = NULL;
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5.72k
  lineDashLength = 0;
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5.72k
  lineDashPhase = 0;
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5.72k
  strokeAdjust = splashStrokeAdjustOff;
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5.72k
  alphaIsShape = gFalse;
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5.72k
  clip = new SplashClip(0, 0, width, height);
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5.72k
  clipIsShared = gFalse;
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5.72k
  softMask = NULL;
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5.72k
  deleteSoftMask = gFalse;
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5.72k
  inNonIsolatedGroup = gFalse;
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5.72k
  inKnockoutGroup = gFalse;
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5.72k
#if SPLASH_CMYK
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5.72k
  rgbTransferR = (Guchar *)gmalloc(8 * 256);
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5.72k
  rgbTransferG = rgbTransferR + 256;
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5.72k
  rgbTransferB = rgbTransferG + 256;
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5.72k
  grayTransfer = rgbTransferB + 256;
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5.72k
  cmykTransferC = grayTransfer + 256;
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5.72k
  cmykTransferM = cmykTransferC + 256;
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5.72k
  cmykTransferY = cmykTransferM + 256;
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5.72k
  cmykTransferK = cmykTransferY + 256;
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#else
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  rgbTransferR = (Guchar *)gmalloc(4 * 256);
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  rgbTransferG = rgbTransferR + 256;
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  rgbTransferB = rgbTransferG + 256;
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  grayTransfer = rgbTransferB + 256;
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#endif
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1.47M
  for (i = 0; i < 256; ++i) {
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1.46M
    rgbTransferR[i] = (Guchar)i;
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1.46M
    rgbTransferG[i] = (Guchar)i;
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1.46M
    rgbTransferB[i] = (Guchar)i;
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1.46M
    grayTransfer[i] = (Guchar)i;
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1.46M
#if SPLASH_CMYK
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1.46M
    cmykTransferC[i] = (Guchar)i;
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1.46M
    cmykTransferM[i] = (Guchar)i;
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1.46M
    cmykTransferY[i] = (Guchar)i;
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1.46M
    cmykTransferK[i] = (Guchar)i;
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1.46M
#endif
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1.46M
  }
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5.72k
  transferIsShared = gFalse;
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5.72k
  overprintMask = 0xffffffff;
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5.72k
  enablePathSimplification = gFalse;
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5.72k
  next = NULL;
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5.72k
}
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2.97M
SplashState::SplashState(SplashState *state) {
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2.97M
  memcpy(matrix, state->matrix, 6 * sizeof(SplashCoord));
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2.97M
  strokePattern = state->strokePattern->copy();
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2.97M
  fillPattern = state->fillPattern->copy();
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2.97M
  screen = state->screen->copy();
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2.97M
  blendFunc = state->blendFunc;
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2.97M
  strokeAlpha = state->strokeAlpha;
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2.97M
  fillAlpha = state->fillAlpha;
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2.97M
  lineWidth = state->lineWidth;
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2.97M
  lineCap = state->lineCap;
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2.97M
  lineJoin = state->lineJoin;
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2.97M
  miterLimit = state->miterLimit;
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2.97M
  flatness = state->flatness;
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2.97M
  if (state->lineDash) {
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2.30k
    lineDashLength = state->lineDashLength;
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2.30k
    lineDash = (SplashCoord *)gmallocn(lineDashLength, sizeof(SplashCoord));
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2.30k
    memcpy(lineDash, state->lineDash, lineDashLength * sizeof(SplashCoord));
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2.96M
  } else {
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2.96M
    lineDash = NULL;
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2.96M
    lineDashLength = 0;
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2.96M
  }
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2.97M
  lineDashPhase = state->lineDashPhase;
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2.97M
  strokeAdjust = state->strokeAdjust;
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2.97M
  alphaIsShape = state->alphaIsShape;
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2.97M
  clip = state->clip;
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2.97M
  clipIsShared = gTrue;
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2.97M
  softMask = state->softMask;
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2.97M
  deleteSoftMask = gFalse;
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2.97M
  inNonIsolatedGroup = state->inNonIsolatedGroup;
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2.97M
  inKnockoutGroup = state->inKnockoutGroup;
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2.97M
  rgbTransferR = state->rgbTransferR;
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2.97M
  rgbTransferG = state->rgbTransferG;
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2.97M
  rgbTransferB = state->rgbTransferB;
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2.97M
  grayTransfer = state->grayTransfer;
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2.97M
#if SPLASH_CMYK
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2.97M
  cmykTransferC = state->cmykTransferC;
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2.97M
  cmykTransferM = state->cmykTransferM;
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2.97M
  cmykTransferY = state->cmykTransferY;
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2.97M
  cmykTransferK = state->cmykTransferK;
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2.97M
#endif
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2.97M
  transferIsShared = gTrue;
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2.97M
  overprintMask = state->overprintMask;
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2.97M
  enablePathSimplification = state->enablePathSimplification;
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2.97M
  next = NULL;
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2.97M
}
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3.30M
SplashState::~SplashState() {
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3.30M
  delete strokePattern;
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3.30M
  delete fillPattern;
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3.30M
  delete screen;
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3.30M
  gfree(lineDash);
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3.30M
  if (!clipIsShared) {
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482k
    delete clip;
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482k
  }
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3.30M
  if (!transferIsShared) {
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335k
    gfree(rgbTransferR);
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335k
  }
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3.30M
  if (deleteSoftMask && softMask) {
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566
    delete softMask;
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566
  }
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3.30M
}
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797k
void SplashState::setStrokePattern(SplashPattern *strokePatternA) {
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797k
  delete strokePattern;
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797k
  strokePattern = strokePatternA;
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797k
}
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2.46M
void SplashState::setFillPattern(SplashPattern *fillPatternA) {
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2.46M
  delete fillPattern;
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2.46M
  fillPattern = fillPatternA;
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2.46M
}
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0
void SplashState::setScreen(SplashScreen *screenA) {
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0
  delete screen;
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0
  screen = screenA;
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0
}
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void SplashState::setLineDash(SplashCoord *lineDashA, int lineDashLengthA,
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682k
            SplashCoord lineDashPhaseA) {
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682k
  gfree(lineDash);
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682k
  lineDashLength = lineDashLengthA;
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682k
  if (lineDashLength > 0) {
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938
    lineDash = (SplashCoord *)gmallocn(lineDashLength, sizeof(SplashCoord));
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938
    memcpy(lineDash, lineDashA, lineDashLength * sizeof(SplashCoord));
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681k
  } else {
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681k
    lineDash = NULL;
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681k
  }
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682k
  lineDashPhase = lineDashPhaseA;
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682k
}
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0
GBool SplashState::lineDashContainsZeroLengthDashes() {
251
0
  int i;
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253
0
  if (lineDashLength == 0) {
254
0
    return gFalse;
255
0
  }
256
257
  // if the line dash array has an odd number of elements, we need to
258
  // check all of the elements; if the length is even, we only need to
259
  // check even-number elements
260
0
  if (lineDashLength & 1) {
261
0
    for (i = 0; i < lineDashLength; ++i) {
262
0
      if (lineDash[i] == 0) {
263
0
  return gTrue;
264
0
      }
265
0
    }
266
0
  } else {
267
0
    for (i = 0; i < lineDashLength; i += 2) {
268
0
      if (lineDash[i] == 0) {
269
0
  return gTrue;
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0
      }
271
0
    }
272
0
  }
273
0
  return gFalse;
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0
}
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276
void SplashState::clipResetToRect(SplashCoord x0, SplashCoord y0,
277
0
          SplashCoord x1, SplashCoord y1) {
278
0
  if (clipIsShared) {
279
0
    clip = clip->copy();
280
0
    clipIsShared = gFalse;
281
0
  }
282
0
  clip->resetToRect(x0, y0, x1, y1);
283
0
}
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285
SplashError SplashState::clipToRect(SplashCoord x0, SplashCoord y0,
286
0
            SplashCoord x1, SplashCoord y1) {
287
0
  if (clipIsShared) {
288
0
    clip = clip->copy();
289
0
    clipIsShared = gFalse;
290
0
  }
291
0
  return clip->clipToRect(x0, y0, x1, y1);
292
0
}
293
294
179k
SplashError SplashState::clipToPath(SplashPath *path, GBool eo) {
295
179k
  if (clipIsShared) {
296
147k
    clip = clip->copy();
297
147k
    clipIsShared = gFalse;
298
147k
  }
299
179k
  return clip->clipToPath(path, matrix, flatness, eo,
300
179k
        enablePathSimplification, strokeAdjust);
301
179k
}
302
303
9.04k
void SplashState::setSoftMask(SplashBitmap *softMaskA, GBool deleteBitmap) {
304
9.04k
  if (deleteSoftMask) {
305
3.21k
    delete softMask;
306
3.21k
  }
307
9.04k
  softMask = softMaskA;
308
9.04k
  deleteSoftMask = deleteBitmap;
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9.04k
}
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311
void SplashState::setTransfer(Guchar *red, Guchar *green, Guchar *blue,
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417
            Guchar *gray) {
313
417
#if SPLASH_CMYK
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417
  int i;
315
417
#endif
316
317
417
  if (transferIsShared) {
318
377
#if SPLASH_CMYK
319
377
    rgbTransferR = (Guchar *)gmalloc(8 * 256);
320
377
    rgbTransferG = rgbTransferR + 256;
321
377
    rgbTransferB = rgbTransferG + 256;
322
377
    grayTransfer = rgbTransferB + 256;
323
377
    cmykTransferC = grayTransfer + 256;
324
377
    cmykTransferM = cmykTransferC + 256;
325
377
    cmykTransferY = cmykTransferM + 256;
326
377
    cmykTransferK = cmykTransferY + 256;
327
#else
328
    rgbTransferR = (Guchar *)gmalloc(4 * 256);
329
    rgbTransferG = rgbTransferR + 256;
330
    rgbTransferB = rgbTransferG + 256;
331
    grayTransfer = rgbTransferB + 256;
332
#endif
333
377
    transferIsShared = gFalse;
334
377
  }
335
417
  memcpy(rgbTransferR, red, 256);
336
417
  memcpy(rgbTransferG, green, 256);
337
417
  memcpy(rgbTransferB, blue, 256);
338
417
  memcpy(grayTransfer, gray, 256);
339
417
#if SPLASH_CMYK
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107k
  for (i = 0; i < 256; ++i) {
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106k
    cmykTransferC[i] = (Guchar)(255 - rgbTransferR[255 - i]);
342
106k
    cmykTransferM[i] = (Guchar)(255 - rgbTransferG[255 - i]);
343
106k
    cmykTransferY[i] = (Guchar)(255 - rgbTransferB[255 - i]);
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106k
    cmykTransferK[i] = (Guchar)(255 - grayTransfer[255 - i]);
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106k
  }
346
417
#endif
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417
}
348