diff options
Diffstat (limited to 'kpdf/xpdf/xpdf/PreScanOutputDev.cc')
| -rw-r--r-- | kpdf/xpdf/xpdf/PreScanOutputDev.cc | 257 |
1 files changed, 0 insertions, 257 deletions
diff --git a/kpdf/xpdf/xpdf/PreScanOutputDev.cc b/kpdf/xpdf/xpdf/PreScanOutputDev.cc deleted file mode 100644 index 52ffeb7f..00000000 --- a/kpdf/xpdf/xpdf/PreScanOutputDev.cc +++ /dev/null @@ -1,257 +0,0 @@ -//======================================================================== -// -// PreScanOutputDev.cc -// -// Copyright 2005 Glyph & Cog, LLC -// -//======================================================================== - -#include <aconf.h> - -#ifdef USE_GCC_PRAGMAS -#pragma implementation -#endif - -#include <math.h> -#include "GlobalParams.h" -#include "GfxFont.h" -#include "Link.h" -#include "PreScanOutputDev.h" - -//------------------------------------------------------------------------ -// PreScanOutputDev -//------------------------------------------------------------------------ - -PreScanOutputDev::PreScanOutputDev() { - clearStats(); -} - -PreScanOutputDev::~PreScanOutputDev() { -} - -void PreScanOutputDev::startPage(int /*pageNum*/, GfxState * /*state*/) { -} - -void PreScanOutputDev::endPage() { -} - -void PreScanOutputDev::stroke(GfxState *state) { - double *dash; - int dashLen; - double dashStart; - - check(state->getStrokeColorSpace(), state->getStrokeColor(), - state->getStrokeOpacity(), state->getBlendMode()); - state->getLineDash(&dash, &dashLen, &dashStart); - if (dashLen != 0) { - gdi = gFalse; - } -} - -void PreScanOutputDev::fill(GfxState *state) { - check(state->getFillColorSpace(), state->getFillColor(), - state->getFillOpacity(), state->getBlendMode()); -} - -void PreScanOutputDev::eoFill(GfxState *state) { - check(state->getFillColorSpace(), state->getFillColor(), - state->getFillOpacity(), state->getBlendMode()); -} - -void PreScanOutputDev::clip(GfxState * /*state*/) { - //~ check for a rectangle "near" the edge of the page; - //~ else set gdi to false -} - -void PreScanOutputDev::eoClip(GfxState * /*state*/) { - //~ see clip() -} - -void PreScanOutputDev::beginStringOp(GfxState *state) { - int render; - GfxFont *font; - double m11, m12, m21, m22; - Ref embRef; - DisplayFontParam *dfp; - GBool simpleTTF; - - render = state->getRender(); - if (!(render & 1)) { - check(state->getFillColorSpace(), state->getFillColor(), - state->getFillOpacity(), state->getBlendMode()); - } - if ((render & 3) == 1 || (render & 3) == 2) { - check(state->getStrokeColorSpace(), state->getStrokeColor(), - state->getStrokeOpacity(), state->getBlendMode()); - } - - font = state->getFont(); - state->getFontTransMat(&m11, &m12, &m21, &m22); - simpleTTF = fabs(m11 + m22) < 0.01 && - m11 > 0 && - fabs(m12) < 0.01 && - fabs(m21) < 0.01 && - fabs(state->getHorizScaling() - 1) < 0.001 && - (font->getType() == fontTrueType || - font->getType() == fontTrueTypeOT) && - (font->getEmbeddedFontID(&embRef) || - font->getExtFontFile() || - (font->getName() && - (dfp = globalParams->getDisplayFont(font->getName())) && - dfp->kind == displayFontTT)); - if (simpleTTF) { - //~ need to create a FoFiTrueType object, and check for a Unicode cmap - } - if (state->getRender() != 0 || !simpleTTF) { - gdi = gFalse; - } -} - -void PreScanOutputDev::endStringOp(GfxState * /*state*/) { -} - -GBool PreScanOutputDev::beginType3Char(GfxState * /*state*/, double /*x*/, double /*y*/, - double /*dx*/, double /*dy*/, - CharCode /*code*/, Unicode * /*u*/, int /*uLen*/) { - // return false so all Type 3 chars get rendered (no caching) - return gFalse; -} - -void PreScanOutputDev::endType3Char(GfxState * /*state*/) { -} - -void PreScanOutputDev::drawImageMask(GfxState *state, Object * /*ref*/, Stream *str, - int width, int height, GBool /*invert*/, - GBool inlineImg) { - int i, j; - - check(state->getFillColorSpace(), state->getFillColor(), - state->getFillOpacity(), state->getBlendMode()); - gdi = gFalse; - - if (inlineImg) { - str->reset(); - j = height * ((width + 7) / 8); - for (i = 0; i < j; ++i) - str->getChar(); - str->close(); - } -} - -void PreScanOutputDev::drawImage(GfxState *state, Object * /*ref*/, Stream *str, - int width, int height, - GfxImageColorMap *colorMap, - int * /*maskColors*/, GBool inlineImg) { - GfxColorSpace *colorSpace; - int i, j; - - colorSpace = colorMap->getColorSpace(); - if (colorSpace->getMode() == csIndexed) { - colorSpace = ((GfxIndexedColorSpace *)colorSpace)->getBase(); - } - if (colorSpace->getMode() != csDeviceGray && - colorSpace->getMode() != csCalGray) { - gray = gFalse; - } - mono = gFalse; - if (state->getBlendMode() != gfxBlendNormal) { - transparency = gTrue; - } - gdi = gFalse; - - if (inlineImg) { - str->reset(); - j = height * ((width * colorMap->getNumPixelComps() * - colorMap->getBits() + 7) / 8); - for (i = 0; i < j; ++i) - str->getChar(); - str->close(); - } -} - -void PreScanOutputDev::drawMaskedImage(GfxState *state, Object * /*ref*/, - Stream * /*str*/, - int /*width*/, int /*height*/, - GfxImageColorMap *colorMap, - Stream * /*maskStr*/, - int /*maskWidth*/, int /*maskHeight*/, - GBool /*maskInvert*/) { - GfxColorSpace *colorSpace; - - colorSpace = colorMap->getColorSpace(); - if (colorSpace->getMode() == csIndexed) { - colorSpace = ((GfxIndexedColorSpace *)colorSpace)->getBase(); - } - if (colorSpace->getMode() != csDeviceGray && - colorSpace->getMode() != csCalGray) { - gray = gFalse; - } - mono = gFalse; - if (state->getBlendMode() != gfxBlendNormal) { - transparency = gTrue; - } - gdi = gFalse; -} - -void PreScanOutputDev::drawSoftMaskedImage(GfxState * /*state*/, Object * /*ref*/, - Stream * /*str*/, - int /*width*/, int /*height*/, - GfxImageColorMap *colorMap, - Stream * /*maskStr*/, - int /*maskWidth*/, int /*maskHeight*/, - GfxImageColorMap * /*maskColorMap*/) { - GfxColorSpace *colorSpace; - - colorSpace = colorMap->getColorSpace(); - if (colorSpace->getMode() == csIndexed) { - colorSpace = ((GfxIndexedColorSpace *)colorSpace)->getBase(); - } - if (colorSpace->getMode() != csDeviceGray && - colorSpace->getMode() != csCalGray) { - gray = gFalse; - } - mono = gFalse; - transparency = gTrue; - gdi = gFalse; -} - -void PreScanOutputDev::beginTransparencyGroup( - GfxState * /*state*/, double * /*bbox*/, - GfxColorSpace * /*blendingColorSpace*/, - GBool /*isolated*/, GBool /*knockout*/, - GBool /*forSoftMask*/) { - transparency = gTrue; - gdi = gFalse; -} - -void PreScanOutputDev::check(GfxColorSpace *colorSpace, GfxColor *color, - double opacity, GfxBlendMode blendMode) { - GfxRGB rgb; - - if (colorSpace->getMode() == csPattern) { - mono = gFalse; - gray = gFalse; - gdi = gFalse; - } else { - colorSpace->getRGB(color, &rgb); - if (rgb.r != rgb.g || rgb.g != rgb.b || rgb.b != rgb.r) { - mono = gFalse; - gray = gFalse; - } else if (!((rgb.r == 0 && rgb.g == 0 && rgb.b == 0) || - (rgb.r == gfxColorComp1 && - rgb.g == gfxColorComp1 && - rgb.b == gfxColorComp1))) { - mono = gFalse; - } - } - if (opacity != 1 || blendMode != gfxBlendNormal) { - transparency = gTrue; - } -} - -void PreScanOutputDev::clearStats() { - mono = gTrue; - gray = gTrue; - transparency = gFalse; - gdi = gTrue; -} |