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//========================================================================
//
// SplashState.cc
//
// Copyright 2003-2013 Glyph & Cog, LLC
//
//========================================================================
#include <aconf.h>
#ifdef USE_GCC_PRAGMAS
#pragma implementation
#endif
#include <string.h>
#include "gmem.h"
#include "SplashPattern.h"
#include "SplashScreen.h"
#include "SplashClip.h"
#include "SplashBitmap.h"
#include "SplashState.h"
//------------------------------------------------------------------------
// SplashState
//------------------------------------------------------------------------
// number of components in each color mode
int splashColorModeNComps[] = {
1, 1, 3, 3
#if SPLASH_CMYK
, 4
#endif
};
SplashState::SplashState(int width, int height, GBool vectorAntialias,
SplashScreenParams *screenParams) {
SplashColor color;
int i;
matrix[0] = 1; matrix[1] = 0;
matrix[2] = 0; matrix[3] = 1;
matrix[4] = 0; matrix[5] = 0;
memset(&color, 0, sizeof(SplashColor));
strokePattern = new SplashSolidColor(color);
fillPattern = new SplashSolidColor(color);
screen = new SplashScreen(screenParams);
blendFunc = NULL;
strokeAlpha = 1;
fillAlpha = 1;
lineWidth = 1;
lineCap = splashLineCapButt;
lineJoin = splashLineJoinMiter;
miterLimit = 10;
flatness = 1;
lineDash = NULL;
lineDashLength = 0;
lineDashPhase = 0;
strokeAdjust = gFalse;
clip = new SplashClip(0, 0, width, height);
clipIsShared = gFalse;
softMask = NULL;
deleteSoftMask = gFalse;
inNonIsolatedGroup = gFalse;
inKnockoutGroup = gFalse;
for (i = 0; i < 256; ++i) {
rgbTransferR[i] = (Guchar)i;
rgbTransferG[i] = (Guchar)i;
rgbTransferB[i] = (Guchar)i;
grayTransfer[i] = (Guchar)i;
cmykTransferC[i] = (Guchar)i;
cmykTransferM[i] = (Guchar)i;
cmykTransferY[i] = (Guchar)i;
cmykTransferK[i] = (Guchar)i;
}
overprintMask = 0xffffffff;
next = NULL;
}
SplashState::SplashState(int width, int height, GBool vectorAntialias,
SplashScreen *screenA) {
SplashColor color;
int i;
matrix[0] = 1; matrix[1] = 0;
matrix[2] = 0; matrix[3] = 1;
matrix[4] = 0; matrix[5] = 0;
memset(&color, 0, sizeof(SplashColor));
strokePattern = new SplashSolidColor(color);
fillPattern = new SplashSolidColor(color);
screen = screenA->copy();
blendFunc = NULL;
strokeAlpha = 1;
fillAlpha = 1;
lineWidth = 1;
lineCap = splashLineCapButt;
lineJoin = splashLineJoinMiter;
miterLimit = 10;
flatness = 1;
lineDash = NULL;
lineDashLength = 0;
lineDashPhase = 0;
strokeAdjust = gFalse;
clip = new SplashClip(0, 0, width, height);
clipIsShared = gFalse;
softMask = NULL;
deleteSoftMask = gFalse;
inNonIsolatedGroup = gFalse;
inKnockoutGroup = gFalse;
for (i = 0; i < 256; ++i) {
rgbTransferR[i] = (Guchar)i;
rgbTransferG[i] = (Guchar)i;
rgbTransferB[i] = (Guchar)i;
grayTransfer[i] = (Guchar)i;
cmykTransferC[i] = (Guchar)i;
cmykTransferM[i] = (Guchar)i;
cmykTransferY[i] = (Guchar)i;
cmykTransferK[i] = (Guchar)i;
}
overprintMask = 0xffffffff;
next = NULL;
}
SplashState::SplashState(SplashState *state) {
memcpy(matrix, state->matrix, 6 * sizeof(SplashCoord));
strokePattern = state->strokePattern->copy();
fillPattern = state->fillPattern->copy();
screen = state->screen->copy();
blendFunc = state->blendFunc;
strokeAlpha = state->strokeAlpha;
fillAlpha = state->fillAlpha;
lineWidth = state->lineWidth;
lineCap = state->lineCap;
lineJoin = state->lineJoin;
miterLimit = state->miterLimit;
flatness = state->flatness;
if (state->lineDash) {
lineDashLength = state->lineDashLength;
lineDash = (SplashCoord *)gmallocn(lineDashLength, sizeof(SplashCoord));
memcpy(lineDash, state->lineDash, lineDashLength * sizeof(SplashCoord));
} else {
lineDash = NULL;
lineDashLength = 0;
}
lineDashPhase = state->lineDashPhase;
strokeAdjust = state->strokeAdjust;
clip = state->clip;
clipIsShared = gTrue;
softMask = state->softMask;
deleteSoftMask = gFalse;
inNonIsolatedGroup = state->inNonIsolatedGroup;
inKnockoutGroup = state->inKnockoutGroup;
memcpy(rgbTransferR, state->rgbTransferR, 256);
memcpy(rgbTransferG, state->rgbTransferG, 256);
memcpy(rgbTransferB, state->rgbTransferB, 256);
memcpy(grayTransfer, state->grayTransfer, 256);
memcpy(cmykTransferC, state->cmykTransferC, 256);
memcpy(cmykTransferM, state->cmykTransferM, 256);
memcpy(cmykTransferY, state->cmykTransferY, 256);
memcpy(cmykTransferK, state->cmykTransferK, 256);
overprintMask = state->overprintMask;
next = NULL;
}
SplashState::~SplashState() {
delete strokePattern;
delete fillPattern;
delete screen;
gfree(lineDash);
if (!clipIsShared) {
delete clip;
}
if (deleteSoftMask && softMask) {
delete softMask;
}
}
void SplashState::setStrokePattern(SplashPattern *strokePatternA) {
delete strokePattern;
strokePattern = strokePatternA;
}
void SplashState::setFillPattern(SplashPattern *fillPatternA) {
delete fillPattern;
fillPattern = fillPatternA;
}
void SplashState::setScreen(SplashScreen *screenA) {
delete screen;
screen = screenA;
}
void SplashState::setLineDash(SplashCoord *lineDashA, int lineDashLengthA,
SplashCoord lineDashPhaseA) {
gfree(lineDash);
lineDashLength = lineDashLengthA;
if (lineDashLength > 0) {
lineDash = (SplashCoord *)gmallocn(lineDashLength, sizeof(SplashCoord));
memcpy(lineDash, lineDashA, lineDashLength * sizeof(SplashCoord));
} else {
lineDash = NULL;
}
lineDashPhase = lineDashPhaseA;
}
void SplashState::clipResetToRect(SplashCoord x0, SplashCoord y0,
SplashCoord x1, SplashCoord y1) {
if (clipIsShared) {
clip = clip->copy();
clipIsShared = gFalse;
}
clip->resetToRect(x0, y0, x1, y1);
}
SplashError SplashState::clipToRect(SplashCoord x0, SplashCoord y0,
SplashCoord x1, SplashCoord y1) {
if (clipIsShared) {
clip = clip->copy();
clipIsShared = gFalse;
}
return clip->clipToRect(x0, y0, x1, y1);
}
SplashError SplashState::clipToPath(SplashPath *path, GBool eo) {
if (clipIsShared) {
clip = clip->copy();
clipIsShared = gFalse;
}
return clip->clipToPath(path, matrix, flatness, eo);
}
void SplashState::setSoftMask(SplashBitmap *softMaskA) {
if (deleteSoftMask) {
delete softMask;
}
softMask = softMaskA;
deleteSoftMask = gTrue;
}
void SplashState::setTransfer(Guchar *red, Guchar *green, Guchar *blue,
Guchar *gray) {
int i;
memcpy(rgbTransferR, red, 256);
memcpy(rgbTransferG, green, 256);
memcpy(rgbTransferB, blue, 256);
memcpy(grayTransfer, gray, 256);
for (i = 0; i < 256; ++i) {
cmykTransferC[i] = 255 - rgbTransferR[255 - i];
cmykTransferM[i] = 255 - rgbTransferG[255 - i];
cmykTransferY[i] = 255 - rgbTransferB[255 - i];
cmykTransferK[i] = 255 - grayTransfer[255 - i];
}
}
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