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Diffstat (limited to 'xpdf/OutputDev.cc')
| -rw-r--r-- | xpdf/OutputDev.cc | 140 |
1 files changed, 140 insertions, 0 deletions
diff --git a/xpdf/OutputDev.cc b/xpdf/OutputDev.cc new file mode 100644 index 0000000..f2be88e --- /dev/null +++ b/xpdf/OutputDev.cc @@ -0,0 +1,140 @@ +//======================================================================== +// +// OutputDev.cc +// +// Copyright 1996-2003 Glyph & Cog, LLC +// +//======================================================================== + +#include <aconf.h> + +#ifdef USE_GCC_PRAGMAS +#pragma implementation +#endif + +#include <stddef.h> +#include "gmempp.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, double *dx, double *dy) { + *dx = defCTM[0] * ux + defCTM[2] * uy + defCTM[4]; + *dy = defCTM[1] * ux + defCTM[3] * uy + defCTM[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); + updateOverprintMode(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, GBool interpolate) { + if (inlineImg) { + str->reset(); + str->discardChars(height * ((width + 7) / 8)); + str->close(); + } +} + +void OutputDev::setSoftMaskFromImageMask(GfxState *state, + Object *ref, Stream *str, + int width, int height, GBool invert, + GBool inlineImg, GBool interpolate) { + drawImageMask(state, ref, str, width, height, invert, inlineImg, interpolate); +} + +void OutputDev::drawImage(GfxState *state, Object *ref, Stream *str, + int width, int height, GfxImageColorMap *colorMap, + int *maskColors, GBool inlineImg, GBool interpolate) { + if (inlineImg) { + str->reset(); + str->discardChars(height * ((width * colorMap->getNumPixelComps() * + colorMap->getBits() + 7) / 8)); + str->close(); + } +} + +void OutputDev::drawMaskedImage(GfxState *state, Object *ref, Stream *str, + int width, int height, + GfxImageColorMap *colorMap, + Object *maskRef, Stream *maskStr, + int maskWidth, int maskHeight, + GBool maskInvert, GBool interpolate) { + drawImage(state, ref, str, width, height, colorMap, NULL, gFalse, + interpolate); +} + +void OutputDev::drawSoftMaskedImage(GfxState *state, Object *ref, Stream *str, + int width, int height, + GfxImageColorMap *colorMap, + Object *maskRef, Stream *maskStr, + int maskWidth, int maskHeight, + GfxImageColorMap *maskColorMap, + double *matte, GBool interpolate) { + drawImage(state, ref, str, width, height, colorMap, NULL, gFalse, + interpolate); +} + +#if OPI_SUPPORT +void OutputDev::opiBegin(GfxState *state, Dict *opiDict) { +} + +void OutputDev::opiEnd(GfxState *state, Dict *opiDict) { +} +#endif |