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131 lines
3.5 KiB
131 lines
3.5 KiB
//========================================================================
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//
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// OutputDev.cc
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//
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// Copyright 1996-2003 Glyph & Cog, LLC
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//
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//========================================================================
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#include <aconf.h>
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#ifdef USE_GCC_PRAGMAS
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#pragma implementation
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#endif
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#include <stddef.h>
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#include "Object.h"
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#include "Stream.h"
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#include "GfxState.h"
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#include "OutputDev.h"
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//------------------------------------------------------------------------
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// OutputDev
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//------------------------------------------------------------------------
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void OutputDev::setDefaultCTM(double *ctm) {
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int i;
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double det;
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for (i = 0; i < 6; ++i) {
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defCTM[i] = ctm[i];
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}
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det = 1 / (defCTM[0] * defCTM[3] - defCTM[1] * defCTM[2]);
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defICTM[0] = defCTM[3] * det;
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defICTM[1] = -defCTM[1] * det;
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defICTM[2] = -defCTM[2] * det;
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defICTM[3] = defCTM[0] * det;
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defICTM[4] = (defCTM[2] * defCTM[5] - defCTM[3] * defCTM[4]) * det;
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defICTM[5] = (defCTM[1] * defCTM[4] - defCTM[0] * defCTM[5]) * det;
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}
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void OutputDev::cvtDevToUser(double dx, double dy, double *ux, double *uy) {
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*ux = defICTM[0] * dx + defICTM[2] * dy + defICTM[4];
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*uy = defICTM[1] * dx + defICTM[3] * dy + defICTM[5];
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}
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void OutputDev::cvtUserToDev(double ux, double uy, int *dx, int *dy) {
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*dx = (int)(defCTM[0] * ux + defCTM[2] * uy + defCTM[4] + 0.5);
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*dy = (int)(defCTM[1] * ux + defCTM[3] * uy + defCTM[5] + 0.5);
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}
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void OutputDev::updateAll(GfxState *state) {
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updateLineDash(state);
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updateFlatness(state);
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updateLineJoin(state);
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updateLineCap(state);
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updateMiterLimit(state);
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updateLineWidth(state);
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updateStrokeAdjust(state);
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updateFillColorSpace(state);
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updateFillColor(state);
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updateStrokeColorSpace(state);
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updateStrokeColor(state);
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updateBlendMode(state);
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updateFillOpacity(state);
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updateStrokeOpacity(state);
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updateFillOverprint(state);
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updateStrokeOverprint(state);
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updateTransfer(state);
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updateFont(state);
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}
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GBool OutputDev::beginType3Char(GfxState *state, double x, double y,
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double dx, double dy,
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CharCode code, Unicode *u, int uLen) {
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return gFalse;
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}
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void OutputDev::drawImageMask(GfxState *state, Object *ref, Stream *str,
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int width, int height, GBool invert,
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GBool inlineImg) {
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int i, j;
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if (inlineImg) {
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str->reset();
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j = height * ((width + 7) / 8);
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for (i = 0; i < j; ++i)
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str->getChar();
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str->close();
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}
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}
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void OutputDev::drawImage(GfxState *state, Object *ref, Stream *str,
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int width, int height, GfxImageColorMap *colorMap,
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int *maskColors, GBool inlineImg) {
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int i, j;
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if (inlineImg) {
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str->reset();
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j = height * ((width * colorMap->getNumPixelComps() *
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colorMap->getBits() + 7) / 8);
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for (i = 0; i < j; ++i)
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str->getChar();
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str->close();
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}
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}
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void OutputDev::drawMaskedImage(GfxState *state, Object *ref, Stream *str,
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int width, int height,
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GfxImageColorMap *colorMap,
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Stream *maskStr,
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int maskWidth, int maskHeight,
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GBool maskInvert) {
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drawImage(state, ref, str, width, height, colorMap, NULL, gFalse);
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}
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void OutputDev::drawSoftMaskedImage(GfxState *state, Object *ref, Stream *str,
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int width, int height,
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GfxImageColorMap *colorMap,
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Stream *maskStr,
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int maskWidth, int maskHeight,
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GfxImageColorMap *maskColorMap) {
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drawImage(state, ref, str, width, height, colorMap, NULL, gFalse);
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}
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#if OPI_SUPPORT
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void OutputDev::opiBegin(GfxState *state, Dict *opiDict) {
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}
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void OutputDev::opiEnd(GfxState *state, Dict *opiDict) {
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}
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#endif
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