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//========================================================================
//
// OutputDev.cc
//
// Copyright 1996 Derek B. Noonburg
//
//========================================================================
#ifdef __GNUC__
#pragma implementation
#endif
#include <stddef.h>
#include "Object.h"
#include "Stream.h"
#include "GfxState.h"
#include "OutputDev.h"
//------------------------------------------------------------------------
// OutputDev
//------------------------------------------------------------------------
void OutputDev::setDefaultCTM(double *ctm1) {
int i;
double det;
for (i = 0; i < 6; ++i)
ctm[i] = ctm1[i];
det = 1 / (ctm[0] * ctm[3] - ctm[1] * ctm[2]);
ictm[0] = ctm[3] * det;
ictm[1] = -ctm[1] * det;
ictm[2] = -ctm[2] * det;
ictm[3] = ctm[0] * det;
ictm[4] = (ctm[2] * ctm[5] - ctm[3] * ctm[4]) * det;
ictm[5] = (ctm[1] * ctm[4] - ctm[0] * ctm[5]) * det;
}
void OutputDev::cvtDevToUser(int dx, int dy, double *ux, double *uy) {
*ux = ictm[0] * dx + ictm[2] * dy + ictm[4];
*uy = ictm[1] * dx + ictm[3] * dy + ictm[5];
}
void OutputDev::cvtUserToDev(double ux, double uy, int *dx, int *dy) {
*dx = (int)(ctm[0] * ux + ctm[2] * uy + ctm[4] + 0.5);
*dy = (int)(ctm[1] * ux + ctm[3] * uy + ctm[5] + 0.5);
}
void OutputDev::updateAll(GfxState *state) {
updateLineDash(state);
updateFlatness(state);
updateLineJoin(state);
updateLineCap(state);
updateMiterLimit(state);
updateLineWidth(state);
updateFillColor(state);
updateStrokeColor(state);
updateFont(state);
}
void OutputDev::drawImageMask(GfxState *state, 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();
}
}
void OutputDev::drawImage(GfxState *state, Stream *str, int width,
int height, GfxImageColorMap *colorMap,
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();
}
}
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