Attachment 39480 Details for Bug 30436 – Includes Christian's gouraud shading improvements

[patch] Includes Christian's gouraud shading improvements

30436.diff (text/plain), 39.16 KB, created by Thomas Freitag on 2010-10-16 09:46:59 UTC

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Creator: Thomas Freitag

Created: 2010-10-16 09:46:59 UTC

Size: 39.16 KB

patch

obsolete

>diff --git a/poppler/Function.cc b/poppler/Function.cc
>index e7383fd..eabf107 100644
>--- a/poppler/Function.cc
>+++ b/poppler/Function.cc
>@@ -15,6 +15,7 @@
> //
> // Copyright (C) 2006, 2008-2010 Albert Astals Cid <aacid@kde.org>
> // Copyright (C) 2006 Jeff Muizelaar <jeff@infidigm.net>
>+// Copyright (C) 2010 Christian Feuersänger <cfeuersaenger@googlemail.com>
> //
> // To see a description of the changes please see the Changelog file that
> // came with your tarball or type make ChangeLog if you are building from git
>@@ -523,6 +524,7 @@ ExponentialFunction::ExponentialFunction(Object *funcObj, Dict *dict) {
>   e = obj1.getNum();
>   obj1.free();
> 
>+  isLinear = fabs(e-1.) < 1e-10;
>   ok = gTrue;
>   return;
> 
>@@ -553,7 +555,7 @@ void ExponentialFunction::transform(double *in, double *out) {
>     x = in[0];
>   }
>   for (i = 0; i < n; ++i) {
>-    out[i] = c0[i] + pow(x, e) * (c1[i] - c0[i]);
>+    out[i] = c0[i] + ( isLinear ? x : pow(x, e) ) * (c1[i] - c0[i]);
>     if (hasRange) {
>       if (out[i] < range[i][0]) {
> 	out[i] = range[i][0];
>diff --git a/poppler/Function.h b/poppler/Function.h
>index 2dcccb0..1e3c185 100644
>--- a/poppler/Function.h
>+++ b/poppler/Function.h
>@@ -14,6 +14,7 @@
> // under GPL version 2 or later
> //
> // Copyright (C) 2009 Albert Astals Cid <aacid@kde.org>
>+// Copyright (C) 2010 Christian Feuersänger <cfeuersaenger@googlemail.com>
> //
> // To see a description of the changes please see the Changelog file that
> // came with your tarball or type make ChangeLog if you are building from git
>@@ -174,6 +175,7 @@ private:
>   double c0[funcMaxOutputs];
>   double c1[funcMaxOutputs];
>   double e;
>+  bool isLinear;
>   GBool ok;
> };
> 
>diff --git a/poppler/Gfx.cc b/poppler/Gfx.cc
>index 12c0bd2..92ab524 100644
>--- a/poppler/Gfx.cc
>+++ b/poppler/Gfx.cc
>@@ -2301,7 +2301,7 @@ void Gfx::doFunctionShFill(GfxFunctionShading *shading) {
>   double x0, y0, x1, y1;
>   GfxColor colors[4];
> 
>-  if (out->useShadedFills() &&
>+  if (out->useShadedFills( shading->getType() ) &&
>       out->functionShadedFill(state, shading)) {
>     return;
>   }
>@@ -2484,7 +2484,7 @@ void Gfx::doAxialShFill(GfxAxialShading *shading) {
>     }
>   }
> 
>-  if (out->useShadedFills() &&
>+  if (out->useShadedFills( shading->getType() ) &&
>       out->axialShadedFill(state, shading, tMin, tMax)) {
> 	  return;
>   }
>@@ -2758,7 +2758,7 @@ void Gfx::doRadialShFill(GfxRadialShading *shading) {
>     theta = 0;
>     sz = 0; // make gcc happy
>   } else {
>-    sz = -r0 / (r1 - r0);
>+	  sz = (r1 > r0) ? -r0 / (r1 - r0) : -r1 / (r0 - r1);
>     xz = x0 + sz * (x1 - x0);
>     yz = y0 + sz * (y1 - y0);
>     enclosed = (xz - x0) * (xz - x0) + (yz - y0) * (yz - y0) <= r0 * r0;
>@@ -2836,7 +2836,7 @@ void Gfx::doRadialShFill(GfxRadialShading *shading) {
>     }
>   }
> 
>-  if (out->useShadedFills() &&
>+  if (out->useShadedFills( shading->getType() ) &&
>       out->radialShadedFill(state, shading, sMin, sMax)) {
>     return;
>   }
>@@ -3109,6 +3109,10 @@ void Gfx::doGouraudTriangleShFill(GfxGouraudTriangleShading *shading) {
>   double x0, y0, x1, y1, x2, y2;
>   int i;
> 
>+  if( out->useShadedFills( shading->getType() ) ) {
>+    if( out->gouraudTriangleShadedFill( state, shading ) )
>+      return;
>+  }
>   // preallocate a path (speed improvements)
>   state->moveTo(0., 0.);
>   state->lineTo(1., 0.);
>diff --git a/poppler/OutputDev.h b/poppler/OutputDev.h
>index cdc74cf..fa49b1d 100644
>--- a/poppler/OutputDev.h
>+++ b/poppler/OutputDev.h
>@@ -17,9 +17,10 @@
> // Copyright (C) 2006 Thorkild Stray <thorkild@ifi.uio.no>
> // Copyright (C) 2007 Jeff Muizelaar <jeff@infidigm.net>
> // Copyright (C) 2007 Adrian Johnson <ajohnson@redneon.com>
>-// Copyright (C) 2009 Thomas Freitag <Thomas.Freitag@alfa.de>
>+// Copyright (C) 2009, 2010 Thomas Freitag <Thomas.Freitag@alfa.de>
> // Copyright (C) 2009 Carlos Garcia Campos <carlosgc@gnome.org>
> // Copyright (C) 2009 Albert Astals Cid <aacid@kde.org>
>+// Copyright (C) 2010 Christian Feuersänger <cfeuersaenger@googlemail.com>
> //
> // To see a description of the changes please see the Changelog file that
> // came with your tarball or type make ChangeLog if you are building from git
>@@ -47,6 +48,8 @@ class GfxColorSpace;
> class GfxImageColorMap;
> class GfxFunctionShading;
> class GfxAxialShading;
>+class GfxGouraudTriangleShading;
>+class GfxPatchMeshShading;
> class GfxRadialShading;
> class Stream;
> class Links;
>@@ -85,8 +88,13 @@ public:
>   // Does this device use functionShadedFill(), axialShadedFill(), and
>   // radialShadedFill()?  If this returns false, these shaded fills
>   // will be reduced to a series of other drawing operations.
>+  // @deprecated, use useShadedFills( int type ) now
>   virtual GBool useShadedFills() { return gFalse; }
> 
>+  // Does this device support specific shading types?
>+  // see gouraudTriangleShadedFill() and patchMeshShadedFill()
>+  virtual GBool useShadedFills( int type ) { return ( type < 4 ) ? useShadedFills() : gFalse; }
>+
>   // Does this device use FillColorStop()?
>   virtual GBool useFillColorStop() { return gFalse; }
> 
>@@ -208,6 +216,10 @@ public:
>     { return gFalse; }
>   virtual GBool radialShadedSupportExtend(GfxState * /*state*/, GfxRadialShading * /*shading*/)
>     { return gFalse; }
>+  virtual GBool gouraudTriangleShadedFill(GfxState *state, GfxGouraudTriangleShading *shading)
>+    { return gFalse; }
>+  virtual GBool patchMeshShadedFill(GfxState *state, GfxPatchMeshShading *shading)
>+    { return gFalse; }
> 
>   //----- path clipping
>   virtual void clip(GfxState * /*state*/) {}
>diff --git a/poppler/SplashOutputDev.cc b/poppler/SplashOutputDev.cc
>index 0ae5bc5..a1be270 100644
>--- a/poppler/SplashOutputDev.cc
>+++ b/poppler/SplashOutputDev.cc
>@@ -25,7 +25,8 @@
> // Copyright (C) 2009 William Bader <williambader@hotmail.com>
> // Copyright (C) 2010 Patrick Spendrin <ps_ml@gmx.de>
> // Copyright (C) 2010 Brian Cameron <brian.cameron@oracle.com>
>-// Copyright (C) 2010 PaweÅ Wiejacha <pawel.wiejacha@gmail.com>
>+// Copyright (C) 2010 Pawel Wiejacha <pawel.wiejacha@gmail.com>
>+// Copyright (C) 2010 Christian Feuersänger <cfeuersaenger@googlemail.com>
> //
> // To see a description of the changes please see the Changelog file that
> // came with your tarball or type make ChangeLog if you are building from git
>@@ -79,6 +80,132 @@ extern "C" int unlink(char *filename);
> #define isfinite(x) finite(x)
> #endif
> 
>+static inline void convertGfxColor(SplashColorPtr dest,
>+								   SplashColorMode colorMode,
>+								   GfxColorSpace *colorSpace,
>+								   GfxColor *src) {
>+	SplashColor color;
>+	GfxGray gray;
>+	GfxRGB rgb;
>+#if SPLASH_CMYK
>+	GfxCMYK cmyk;
>+#endif
>+
>+	switch (colorMode) {
>+  case splashModeMono1:
>+  case splashModeMono8:
>+	  colorSpace->getGray(src, &gray);
>+	  color[0] = colToByte(gray);
>+	  break;
>+  case splashModeRGB8:
>+	  colorSpace->getRGB(src, &rgb);
>+	  color[0] = colToByte(rgb.r);
>+	  color[1] = colToByte(rgb.g);
>+	  color[2] = colToByte(rgb.b);
>+	  break;
>+  case splashModeXBGR8:
>+	  color[3] = 255;
>+  case splashModeBGR8:
>+	  colorSpace->getRGB(src, &rgb);
>+	  color[0] = colToByte(rgb.b);
>+	  color[1] = colToByte(rgb.g);
>+	  color[2] = colToByte(rgb.r);
>+	  break;
>+#if SPLASH_CMYK
>+  case splashModeCMYK8:
>+	  colorSpace->getCMYK(src, &cmyk);
>+	  color[0] = colToByte(cmyk.c);
>+	  color[1] = colToByte(cmyk.m);
>+	  color[2] = colToByte(cmyk.y);
>+	  color[3] = colToByte(cmyk.k);
>+	  break;
>+#endif
>+	}
>+	splashColorCopy(dest, color);
>+}
>+
>+
>+//------------------------------------------------------------------------
>+// SplashGouraudPattern
>+//------------------------------------------------------------------------
>+SplashGouraudPattern::SplashGouraudPattern(GBool bDirectColorTranslationA,
>+							   GfxState *stateA, GfxGouraudTriangleShading *shadingA) {
>+	state = stateA;
>+	shading = shadingA;
>+	bDirectColorTranslation = bDirectColorTranslationA;
>+}
>+
>+SplashGouraudPattern::~SplashGouraudPattern() {
>+}
>+
>+void SplashGouraudPattern::getParameterizedColor(double colorinterp, SplashColorMode mode, SplashColorPtr dest) {
>+	GfxColor src;
>+	int m;
>+	GfxColorSpace* srcColorSpace = shading->getColorSpace();
>+	int colorComps = 3;
>+#if SPLASH_CMYK
>+	if (mode == splashModeCMYK8)
>+		colorComps=4;
>+#endif
>+
>+	shading->getParameterizedColor(colorinterp, &src);
>+
>+	if( bDirectColorTranslation ) {
>+		for( m = 0; m<colorComps; ++m )
>+			dest[m] = colToByte(src.c[m]);
>+	} else {
>+		convertGfxColor(dest, mode, srcColorSpace, &src);
>+	}
>+
>+}
>+
>+//------------------------------------------------------------------------
>+// SplashAxialPattern
>+//------------------------------------------------------------------------
>+
>+SplashAxialPattern::SplashAxialPattern(SplashColorMode colorModeA, GfxState *stateA, GfxAxialShading *shadingA) {
>+	Matrix ctm;
>+
>+	shading = shadingA;
>+	state = stateA;
>+	colorMode = colorModeA;
>+	state->getCTM (&ctm);
>+	ctm.invertTo (&ictm);
>+
>+	shading->getCoords(&x0, &y0, &x1, &y1);
>+	dx = x1 - x0;
>+	dy = y1 - y0;
>+    mul = 1 / (dx * dx + dy * dy);
>+
>+	// get the function domain
>+	t0 = shading->getDomain0();
>+	t1 = shading->getDomain1();
>+}
>+
>+SplashAxialPattern::~SplashAxialPattern() {
>+}
>+
>+GBool SplashAxialPattern::getColor(int x, int y, SplashColorPtr c) {
>+	GfxColor gfxColor;
>+	double tt;
>+
>+	double xc, yc, xaxis;
>+	ictm.transform(x, y, &xc, &yc);
>+	xaxis = ((xc - x0) * dx + (yc - y0) * dy) * mul;
>+	if (xaxis < 0 && shading->getExtend0()) {
>+		tt = t0;
>+	} else if (xaxis > 1 && shading->getExtend1()) {
>+		tt = t1;
>+    } else if (xaxis >= 0 && xaxis <= 1) {
>+		tt = t0 + (t1 -t0) * xaxis;
>+	} else
>+		return gFalse;
>+	shading->getColor(tt, &gfxColor);
>+    state->setFillColor(&gfxColor);
>+	convertGfxColor(c, colorMode, state->getFillColorSpace(), state->getFillColor());
>+	return gTrue;
>+}
>+
> //------------------------------------------------------------------------
> 
> // Divide a 16-bit value (in [0, 255*255]) by 255, returning an 8-bit result.
>@@ -2033,7 +2160,7 @@ void SplashOutputDev::drawImageMask(GfxState *state, Object *ref, Stream *str,
>     //~ this ignores the blendingColorSpace arg
>     // create the temporary bitmap
>     bitmap = new SplashBitmap(bitmap->getWidth(), bitmap->getHeight(), bitmapRowPad, colorMode, gTrue,
>-                              bitmapTopDown); 
>+                              bitmapTopDown);
>     splash = new Splash(bitmap, vectorAntialias,
>                         transpGroup->origSplash->getScreen());
>     splash->blitTransparent(transpGroup->origBitmap, 0, 0, 0, 0, bitmap->getWidth(), bitmap->getHeight());
>@@ -2916,7 +3043,7 @@ void SplashOutputDev::beginTransparencyGroup(GfxState *state, double *bbox,
> 
>   // create the temporary bitmap
>   bitmap = new SplashBitmap(w, h, bitmapRowPad, colorMode, gTrue,
>-			    bitmapTopDown); 
>+			    bitmapTopDown);
>   splash = new Splash(bitmap, vectorAntialias,
> 		      transpGroup->origSplash->getScreen());
>   if (isolated) {
>@@ -3186,3 +3313,49 @@ void SplashOutputDev::setFreeTypeHinting(GBool enable)
> {
>   enableFreeTypeHinting = enable;
> }
>+
>+GBool SplashOutputDev::gouraudTriangleShadedFill(GfxState *state, GfxGouraudTriangleShading *shading)
>+{
>+  GfxColorSpaceMode shadingMode = shading->getColorSpace()->getMode();
>+  GBool bDirectColorTranslation = gFalse; // triggers an optimization.
>+  switch (colorMode) {
>+  case splashModeRGB8:
>+	bDirectColorTranslation = ( shadingMode == csDeviceRGB );
>+    break;
>+#if SPLASH_CMYK
>+  case splashModeCMYK8:
>+	bDirectColorTranslation = ( shadingMode == csDeviceCMYK );
>+    break;
>+#endif
>+  }
>+  SplashGouraudColor *splashShading = new SplashGouraudPattern(bDirectColorTranslation, state, shading);
>+  // restore vector antialias because we support it here
>+  setVectorAntialias(gTrue);
>+  return splash->gouraudTriangleShadedFill(splashShading);
>+}
>+
>+/* implement shading routines */
>+GBool SplashOutputDev::axialShadedFill(GfxState *state, GfxAxialShading *shading, double tMin, double tMax) {
>+  double xMin, yMin, xMax, yMax;
>+  SplashPath *path;
>+
>+  // restore vector antialias because we support it here
>+  setVectorAntialias(gTrue);
>+  // get the clip region bbox
>+  state->getUserClipBBox(&xMin, &yMin, &xMax, &yMax);
>+
>+  // fill the region
>+  state->moveTo(xMin, yMin);
>+  state->lineTo(xMax, yMin);
>+  state->lineTo(xMax, yMax);
>+  state->lineTo(xMin, yMax);
>+  state->closePath();
>+  path = convertPath(state, state->getPath());
>+
>+  SplashPattern *pattern = new SplashAxialPattern(colorMode, state, shading);
>+  splash->shadedFill(path, gFalse, pattern);
>+  state->clearPath();
>+  delete path;
>+
>+  return gTrue;
>+}
>diff --git a/poppler/SplashOutputDev.h b/poppler/SplashOutputDev.h
>index adbd196..289ee5c 100644
>--- a/poppler/SplashOutputDev.h
>+++ b/poppler/SplashOutputDev.h
>@@ -16,6 +16,7 @@
> // Copyright (C) 2005 Takashi Iwai <tiwai@suse.de>
> // Copyright (C) 2009, 2010 Thomas Freitag <Thomas.Freitag@alfa.de>
> // Copyright (C) 2009 Carlos Garcia Campos <carlosgc@gnome.org>
>+// Copyright (C) 2010 Christian Feuersänger <cfeuersaenger@googlemail.com>
> //
> // To see a description of the changes please see the Changelog file that
> // came with your tarball or type make ChangeLog if you are building from git
>@@ -31,6 +32,7 @@
> 
> #include "goo/gtypes.h"
> #include "splash/SplashTypes.h"
>+#include "splash/SplashPattern.h"
> #include "poppler-config.h"
> #include "OutputDev.h"
> #include "GfxState.h"
>@@ -39,7 +41,6 @@ class Gfx8BitFont;
> class SplashBitmap;
> class Splash;
> class SplashPath;
>-class SplashPattern;
> class SplashFontEngine;
> class SplashFont;
> class T3FontCache;
>@@ -48,6 +49,63 @@ struct T3GlyphStack;
> struct SplashTransparencyGroup;
> 
> //------------------------------------------------------------------------
>+// Splash dynamic pattern
>+//------------------------------------------------------------------------
>+
>+class SplashAxialPattern: public SplashPattern {
>+public:
>+
>+  SplashAxialPattern(SplashColorMode colorMode, GfxState *state, GfxAxialShading *shading);
>+
>+  virtual SplashPattern *copy() { return new SplashAxialPattern(colorMode, state, shading); }
>+
>+  virtual ~SplashAxialPattern();
>+
>+  virtual GBool getColor(int x, int y, SplashColorPtr c);
>+
>+  virtual GBool isStatic() { return gFalse; }
>+
>+private:
>+
>+  Matrix ictm;
>+  double x0, y0, x1, y1;
>+  double dx, dy, mul;
>+  double t0, t1;
>+  GfxAxialShading *shading;
>+  GfxState *state;
>+  SplashColorMode colorMode;
>+  double *bbox;
>+};
>+
>+// see GfxState.h, GfxGouraudTriangleShading
>+class SplashGouraudPattern: public SplashGouraudColor {
>+public:
>+
>+  SplashGouraudPattern(GBool bDirectColorTranslation, GfxState *state, GfxGouraudTriangleShading *shading);
>+
>+  virtual SplashPattern *copy() { return new SplashGouraudPattern(bDirectColorTranslation, state, shading); }
>+
>+  virtual ~SplashGouraudPattern();
>+
>+  virtual GBool getColor(int x, int y, SplashColorPtr c) { return gFalse; }
>+
>+  virtual GBool isStatic() { return gFalse; }
>+
>+  virtual GBool isParameterized() { return shading->isParameterized(); }
>+  virtual int getNTriangles() { return shading->getNTriangles(); }
>+  virtual  void getTriangle(int i, double *x0, double *y0, double *color0,
>+		   double *x1, double *y1, double *color1,
>+		   double *x2, double *y2, double *color2) 
>+  { return shading->getTriangle(i, x0, y0, color0, x1, y1, color1, x2, y2, color2); }
>+
>+  virtual void getParameterizedColor(double t, SplashColorMode mode, SplashColorPtr c);
>+private:
>+  GfxGouraudTriangleShading *shading;
>+  GfxState *state;
>+  GBool bDirectColorTranslation;
>+};
>+
>+//------------------------------------------------------------------------
> 
> // number of Type 3 fonts to cache
> #define splashOutT3FontCacheSize 8
>@@ -70,6 +128,12 @@ public:
> 
>   //----- get info about output device
> 
>+  // Does this device use functionShadedFill(), axialShadedFill(), and
>+  // radialShadedFill()?  If this returns false, these shaded fills
>+  // will be reduced to a series of other drawing operations.
>+  virtual GBool useShadedFills( int type ) 
>+  { return (type == 2 || type == 4 || type == 5 ) ? gTrue : gFalse; }
>+
>   // Does this device use upside-down coordinates?
>   // (Upside-down means (0,0) is the top left corner of the page.)
>   virtual GBool upsideDown() { return gTrue; }
>@@ -80,7 +144,6 @@ public:
>   // Does this device use beginType3Char/endType3Char?  Otherwise,
>   // text in Type 3 fonts will be drawn with drawChar/drawString.
>   virtual GBool interpretType3Chars() { return gTrue; }
>-
>   // This device now supports text in pattern colorspace!
>   virtual GBool supportTextCSPattern(GfxState *state)
>   	{ return state->getFillColorSpace()->getMode() == csPattern; }
>@@ -121,6 +184,8 @@ public:
>   virtual void stroke(GfxState *state);
>   virtual void fill(GfxState *state);
>   virtual void eoFill(GfxState *state);
>+  virtual GBool axialShadedFill(GfxState *state, GfxAxialShading *shading, double tMin, double tMax);
>+  virtual GBool gouraudTriangleShadedFill(GfxState *state, GfxGouraudTriangleShading *shading);
> 
>   //----- path clipping
>   virtual void clip(GfxState *state);
>diff --git a/splash/Splash.cc b/splash/Splash.cc
>index 5e27d42..0645f32 100644
>--- a/splash/Splash.cc
>+++ b/splash/Splash.cc
>@@ -13,6 +13,8 @@
> //
> // Copyright (C) 2005-2010 Albert Astals Cid <aacid@kde.org>
> // Copyright (C) 2005 Marco Pesenti Gritti <mpg@redhat.com>
>+// Copyright (C) 2010 Thomas Freitag <Thomas.Freitag@alfa.de>
>+// Copyright (C) 2010 Christian Feuersänger <cfeuersaenger@googlemail.com>
> //
> // To see a description of the changes please see the Changelog file that
> // came with your tarball or type make ChangeLog if you are building from git
>@@ -28,6 +30,7 @@
> #include <stdlib.h>
> #include <string.h>
> #include <limits.h>
>+#include <assert.h>
> #include "goo/gmem.h"
> #include "goo/GooLikely.h"
> #include "SplashErrorCodes.h"
>@@ -55,6 +58,9 @@ static inline Guchar div255(int x) {
>   return (Guchar)((x + (x >> 8) + 0x80) >> 8);
> }
> 
>+template<typename T>
>+inline void Guswap( T&a, T&b ) { T tmp = a; a=b; b=tmp; }
>+
> //------------------------------------------------------------------------
> // SplashPipe
> //------------------------------------------------------------------------
>@@ -245,7 +251,32 @@ inline void Splash::pipeRun(SplashPipe *pipe) {
> 
>   // dynamic pattern
>   if (pipe->pattern) {
>-    pipe->pattern->getColor(pipe->x, pipe->y, pipe->cSrcVal);
>+	  if (!pipe->pattern->getColor(pipe->x, pipe->y, pipe->cSrcVal)) {
>+		  switch (bitmap->mode) {
>+		case splashModeMono1:
>+			if (!(pipe->destColorMask >>= 1)) 
>+				++pipe->destColorPtr;
>+			break;
>+		case splashModeMono8:
>+			++pipe->destColorPtr;
>+			break;
>+		case splashModeBGR8:
>+		case splashModeRGB8:
>+			pipe->destColorPtr += 3;
>+			break;
>+		case splashModeXBGR8:
>+#if SPLASH_CMYK
>+		case splashModeCMYK8:
>+#endif
>+			pipe->destColorPtr += 4;
>+			break;
>+		  }
>+		  if (pipe->destAlphaPtr) {
>+			  ++pipe->destAlphaPtr;
>+		  }
>+		  ++pipe->x;
>+		  return;
>+	  }
>   }
> 
>   if (pipe->noTransparency && !state->blendFunc) {
>@@ -3182,6 +3213,322 @@ void Splash::compositeBackground(SplashColorPtr color) {
>   memset(bitmap->alpha, 255, bitmap->width * bitmap->height);
> }
> 
>+GBool Splash::gouraudTriangleShadedFill(SplashGouraudColor *shading)
>+{
>+  double xdbl[3] = {0., 0., 0.};
>+  double ydbl[3] = {0., 0., 0.};
>+  int    x[3] = {0, 0, 0};
>+  int    y[3] = {0, 0, 0};
>+  double xt=0.,xa=0.,yt=0.;
>+  double ca=0.,ct=0.;
>+
>+  // triangle interpolation:
>+  //
>+  double scanLimitMapL[2] = {0., 0.};
>+  double scanLimitMapR[2] = {0., 0.};
>+  double scanColorMapL[2] = {0., 0.};
>+  double scanColorMapR[2] = {0., 0.};
>+  double scanColorMap[2] = {0., 0.};
>+  int scanEdgeL[2] = { 0, 0 };
>+  int scanEdgeR[2] = { 0, 0 };
>+  bool hasFurtherSegment = false;
>+
>+  int X=0,Y=0;
>+  int scanLineOff=0;
>+  int bitmapOff=0;
>+  int scanLimitR=0,scanLimitL=0,Yt=0;
>+  int i=0,m=0;
>+
>+  int bitmapWidth = bitmap->getWidth();
>+  SplashClip* clip = getClip();
>+  SplashBitmap *blitTarget = bitmap;
>+  SplashColorPtr bitmapData = bitmap->getDataPtr();
>+  SplashColorPtr bitmapAlpha = bitmap->getAlphaPtr();
>+  SplashColorPtr cur=NULL;
>+  SplashCoord* userToCanvasMatrix = getMatrix();
>+  SplashColorMode bitmapMode = bitmap->getMode();
>+  bool hasAlpha=(bitmapAlpha != NULL);
>+  int rowSize = bitmap->getRowSize();
>+  int colorComps=0;
>+  switch (bitmapMode) {
>+  case splashModeMono1:
>+    break;
>+  case splashModeMono8:
>+    colorComps=1;
>+    break;
>+  case splashModeRGB8:
>+    colorComps=3;
>+    break;
>+  case splashModeBGR8:
>+    colorComps=3;
>+    break;
>+  case splashModeXBGR8:
>+    colorComps=4;
>+	break;
>+#if SPLASH_CMYK
>+  case splashModeCMYK8:
>+    colorComps=4;
>+    break;
>+#endif
>+  }
>+
>+  SplashPipe pipe;
>+  SplashColor cSrcVal;
>+
>+  pipeInit(&pipe, 0, 0, NULL, cSrcVal, state->strokeAlpha,
>+	   gFalse, gFalse);
>+
>+  if (vectorAntialias) {
>+    drawAAPixelInit();
>+  }
>+
>+  // idea:
>+  // 1. If pipe->noTransparency && !state->blendFunc
>+  //  -> blit directly into the drawing surface!
>+  //  -> disable alpha manually.
>+  // 2. Otherwise:
>+  // - blit also directly, but into an intermediate surface.
>+  // Afterwards, blit the intermediate surface using the drawing pipeline.
>+  // This is necessary because triangle elements can be on top of each
>+  // other, so the complete shading needs to be drawn before opacity is
>+  // applied.
>+  // - the final step, is performed using a SplashPipe:
>+  // - assign the actual color into cSrcVal: pipe uses cSrcVal by reference
>+  // - invoke drawPixel(&pipe,X,Y,bNoClip);
>+  bool bDirectBlit = (vectorAntialias) ? gFalse : pipe.noTransparency && !state->blendFunc;
>+  if( !bDirectBlit ) {
>+	  blitTarget = new SplashBitmap( 
>+			  bitmap->getWidth(),
>+			  bitmap->getHeight(),
>+			  bitmap->getRowPad(),
>+			  bitmap->getMode(),
>+			  true,
>+			  bitmap->getRowSize() >= 0 );
>+	  bitmapData = blitTarget->getDataPtr();
>+	  bitmapAlpha = blitTarget->getAlphaPtr();
>+
>+	  // initialisation seems to be necessary:
>+	  int S = bitmap->getWidth() * bitmap->getHeight();
>+	  for( i = 0; i<S; ++i )
>+		  bitmapAlpha[i] = 0;
>+	  hasAlpha = true;
>+  }
>+
>+  if( shading->isParameterized() ) {
>+    double color[3];
>+    double colorinterp;
>+
>+    for (i = 0; i < shading->getNTriangles(); ++i) {
>+          shading->getTriangle(i, 
>+                           xdbl+0, ydbl+0, color+0,
>+                           xdbl+1, ydbl+1, color+1,
>+                           xdbl+2, ydbl+2, color+2);
>+          for( m =0; m<3; ++m ) {
>+            xt= xdbl[m] * userToCanvasMatrix[0] + ydbl[m] * userToCanvasMatrix[2] + userToCanvasMatrix[4];
>+            yt= xdbl[m] * userToCanvasMatrix[1] + ydbl[m] * userToCanvasMatrix[3] + userToCanvasMatrix[5];
>+            xdbl[m] = xt;
>+            ydbl[m] = yt;
>+            // we operate on scanlines which are integer offsets into the
>+            // raster image. The double offsets are of no use here.
>+            x[m] = splashRound(xt);
>+            y[m] = splashRound(yt);
>+          }
>+          // sort according to y coordinate to simplify sweep through scanlines:
>+		  // INSERTION SORT.
>+		  if( y[0] > y[1] ) {
>+			  Guswap( x[0], x[1] );  Guswap( y[0], y[1] ); Guswap( color[0], color[1] );
>+		  }
>+		  // first two are sorted .
>+		  assert( y[0] <= y[1] );
>+		  if( y[1] > y[2] ) {
>+			  int tmpX = x[2];
>+			  int tmpY = y[2];
>+			  double tmpC = color[2];
>+			  x[2] = x[1]; y[2] = y[1]; color[2] = color[1];
>+
>+			  if( y[0] > tmpY ) {
>+				  x[1] = x[0]; y[1] = y[0]; color[1] = color[0];
>+				  x[0] = tmpX; y[0] = tmpY; color[0] = tmpC;
>+			  } else {
>+				  x[1] = tmpX; y[1] = tmpY; color[1] = tmpC;
>+			  }
>+		  }
>+		  // first three are sorted
>+		  assert( y[0] <= y[1] );
>+		  assert( y[1] <= y[2] );
>+		  /////
>+
>+		  // this here is det( T ) == 0
>+		  // where T is the matrix to map to barycentric coordinates.
>+		  if( (x[0]-x[2]) * (y[1]-y[2])
>+			- (x[1]-x[2]) * (y[0]-y[2]) == 0 )
>+            continue; // degenerate triangle.
>+
>+          // this here initialises the scanline generation.
>+          // We start with low Y coordinates and sweep up to the large Y
>+          // coordinates.
>+          //
>+          // scanEdgeL[m] in {0,1,2} m=0,1
>+          // scanEdgeR[m] in {0,1,2} m=0,1
>+          //
>+          // are the two edges between which scanlines are (currently)
>+          // sweeped. The values {0,1,2} are indices into 'x' and 'y'.
>+          // scanEdgeL[0] = 0 means: the left scan edge has (x[0],y[0]) as vertex.
>+          //
>+          scanEdgeL[0] = 0;
>+          scanEdgeR[0] = 0;
>+          if( y[0] == y[1] ) {
>+            scanEdgeL[0] = 1;
>+            scanEdgeL[1] = scanEdgeR[1] =2;
>+
>+          } else {
>+            scanEdgeL[1] = 1; scanEdgeR[1] = 2;
>+          }
>+          assert( y[scanEdgeL[0]] < y[scanEdgeL[1]] );
>+          assert( y[scanEdgeR[0]] < y[scanEdgeR[1]] );
>+
>+		  // Ok. Now prepare the linear maps which map the y coordinate of
>+		  // the current scanline to the corresponding LEFT and RIGHT x
>+		  // coordinate (which define the scanline).
>+          scanLimitMapL[0] = double(x[scanEdgeL[1]]  - x[scanEdgeL[0]]) / (y[scanEdgeL[1]]  - y[scanEdgeL[0]] );
>+          scanLimitMapL[1] = x[scanEdgeL[0]]  - y[scanEdgeL[0]]  * scanLimitMapL[0];
>+          scanLimitMapR[0] = double(x[scanEdgeR[1]] - x[scanEdgeR[0]]) / (y[scanEdgeR[1]] - y[scanEdgeR[0]]);
>+          scanLimitMapR[1] = x[scanEdgeR[0]] - y[scanEdgeR[0]] * scanLimitMapR[0];
>+
>+          xa = y[1] * scanLimitMapL[0] + scanLimitMapL[1];
>+          xt = y[1] * scanLimitMapR[0] + scanLimitMapR[1];
>+          if( xa > xt ) {
>+            // I have "left" is to the right of "right".
>+            // Exchange sides!
>+            Guswap(scanEdgeL[0], scanEdgeR[0]);
>+            Guswap(scanEdgeL[1], scanEdgeR[1]);
>+            Guswap(scanLimitMapL[0], scanLimitMapR[0]);
>+            Guswap(scanLimitMapL[1], scanLimitMapR[1]);
>+            // FIXME I'm sure there is a more efficient way to check this.
>+          }
>+
>+		  // Same game: we can linearly interpolate the color based on the
>+		  // current y coordinate (that's correct for triangle
>+		  // interpolation due to linearity. We could also have done it in
>+		  // barycentric coordinates, but that's slightly more involved)
>+          scanColorMapL[0] = (color[scanEdgeL[1]]  - color[scanEdgeL[0]]) / (y[scanEdgeL[1]]  - y[scanEdgeL[0]] );
>+          scanColorMapL[1] = color[scanEdgeL[0]]  - y[scanEdgeL[0]]  * scanColorMapL[0];
>+          scanColorMapR[0] = (color[scanEdgeR[1]] - color[scanEdgeR[0]]) / (y[scanEdgeR[1]] - y[scanEdgeR[0]]);
>+          scanColorMapR[1] = color[scanEdgeR[0]] - y[scanEdgeR[0]] * scanColorMapR[0];
>+
>+
>+          Y = y[0];
>+          Yt= y[2];
>+          hasFurtherSegment = (y[1] < y[2]);
>+          scanLineOff = Y * rowSize;
>+
>+          for( Y = y[0]; Y <= y[2]; ++Y, scanLineOff+=rowSize ) {
>+            if( hasFurtherSegment && Y == y[1] ) {
>+			  // SWEEP EVENT: we encountered the next segment.
>+			  //
>+              // switch to next segment, either at left end or at right
>+              // end:
>+              if( scanEdgeL[1] == 1 ) {
>+                scanEdgeL[0] = 1;
>+                scanEdgeL[1] = 2;
>+                scanLimitMapL[0] = double(x[scanEdgeL[1]]  - x[scanEdgeL[0]]) / (y[scanEdgeL[1]]  - y[scanEdgeL[0]] );
>+                scanLimitMapL[1] = x[scanEdgeL[0]]  - y[scanEdgeL[0]]  * scanLimitMapL[0];
>+                
>+                scanColorMapL[0] = (color[scanEdgeL[1]]  - color[scanEdgeL[0]]) / (y[scanEdgeL[1]]  - y[scanEdgeL[0]] );
>+                scanColorMapL[1] = color[scanEdgeL[0]]  - y[scanEdgeL[0]]  * scanColorMapL[0];
>+              } else if( scanEdgeR[1] == 1 ) {
>+                scanEdgeR[0] = 1;
>+                scanEdgeR[1] = 2;
>+                scanLimitMapR[0] = double(x[scanEdgeR[1]] - x[scanEdgeR[0]]) / (y[scanEdgeR[1]] - y[scanEdgeR[0]]);
>+                scanLimitMapR[1] = x[scanEdgeR[0]] - y[scanEdgeR[0]] * scanLimitMapR[0];
>+
>+                scanColorMapR[0] = (color[scanEdgeR[1]] - color[scanEdgeR[0]]) / (y[scanEdgeR[1]] - y[scanEdgeR[0]]);
>+                scanColorMapR[1] = color[scanEdgeR[0]] - y[scanEdgeR[0]] * scanColorMapR[0];
>+              }
>+              assert( y[scanEdgeL[0]]  <  y[scanEdgeL[1]] );
>+              assert( y[scanEdgeR[0]] <  y[scanEdgeR[1]] );
>+              hasFurtherSegment = false;
>+            }
>+
>+            yt = Y;
>+
>+            xa = yt * scanLimitMapL[0] + scanLimitMapL[1];
>+            xt = yt * scanLimitMapR[0] + scanLimitMapR[1];
>+
>+            ca = yt * scanColorMapL[0] + scanColorMapL[1];
>+            ct = yt * scanColorMapR[0] + scanColorMapR[1];
>+
>+            scanLimitL=splashRound(xa);
>+            scanLimitR=splashRound(xt);
>+
>+			// Ok. Now: init the color interpolation depending on the X
>+			// coordinate inside of the current scanline:
>+            scanColorMap[0] = (scanLimitR==scanLimitL) ? 0. : ( (ct - ca) / (scanLimitR - scanLimitL) );
>+            scanColorMap[1] = ca - scanLimitL * scanColorMap[0];
>+
>+            // handled by clipping:
>+            // assert( scanLimitL >= 0 && scanLimitR < bitmap->getWidth() );
>+            assert(scanLimitL <= scanLimitR || abs( scanLimitL-scanLimitR)<=2); // allow rounding inaccuracies
>+            assert( scanLineOff == Y*rowSize );
>+
>+			colorinterp = scanColorMap[0] * scanLimitL + scanColorMap[1];
>+
>+            bitmapOff = scanLineOff + scanLimitL * colorComps;
>+			for( X = scanLimitL; X<=scanLimitR; ++X, colorinterp+=scanColorMap[0], bitmapOff += colorComps ) {
>+              // FIXME : standard rectangular clipping can be done for a
>+              // complete scanline which is faster
>+              // --> see SplashClip and its methods
>+              if( !clip->test(X,Y) )
>+                continue;
>+
>+			  assert( fabs( colorinterp - (scanColorMap[0] * X + scanColorMap[1]) ) < 1e-10 );
>+
>+              assert( bitmapOff == Y*rowSize + colorComps*X && scanLineOff == Y*rowSize);
>+
>+              shading->getParameterizedColor(colorinterp, bitmapMode, &bitmapData[bitmapOff]);
>+              
>+			  // make the shading visible.
>+			  // Note that opacity is handled by the bDirectBlit stuff, see
>+			  // above for comments and below for implementation.
>+			  if(hasAlpha)
>+				  bitmapAlpha[ Y*bitmapWidth + X ] = 255;
>+            }
>+
>+          }
>+    }
>+
>+  } else {
>+    return false;
>+  }
>+  if( !bDirectBlit ) {
>+	  // ok. Finalize the stuff by blitting the shading into the final
>+	  // geometry, this time respecting the rendering pipe.
>+	  int W = blitTarget->getWidth();
>+	  int H = blitTarget->getHeight();
>+	  cur = cSrcVal;
>+
>+	  for( X = 0; X<W; ++X ) {
>+		  for( Y = 0; Y<H; ++Y ) {
>+			  if( !bitmapAlpha[ Y*bitmapWidth + X ] )
>+				  continue; // draw only parts of the shading!
>+              bitmapOff = Y*rowSize + colorComps*X;
>+
>+			  for( m = 0; m<colorComps; ++m )
>+				  cur[m] = bitmapData[bitmapOff+m];
>+			  if (vectorAntialias) {
>+				  drawAAPixel(&pipe, X, Y);
>+			  } else {
>+				  drawPixel(&pipe, X,Y, true ); // no clipping - has already been done.
>+			  }
>+		  }
>+	  }
>+
>+	  delete blitTarget; blitTarget=NULL;
>+  }
>+
>+  return true;
>+}
>+
> SplashError Splash::blitTransparent(SplashBitmap *src, int xSrc, int ySrc,
> 				    int xDest, int yDest, int w, int h) {
>   SplashColor pixel;
>@@ -3592,3 +3939,52 @@ void Splash::dumpXPath(SplashXPath *path) {
> 	   (path->segs[i].flags	& splashXPathFlip) ? "P" : " ");
>   }
> }
>+
>+SplashError Splash::shadedFill(SplashPath *path, GBool eo,
>+									SplashPattern *pattern) {
>+  SplashPipe pipe;
>+  SplashXPath *xPath;
>+  SplashXPathScanner *scanner;
>+  int xMinI, yMinI, xMaxI, yMaxI, x0, x1, y;
>+  SplashClipResult clipRes;
>+
>+  if (path->length == 0) {
>+    return splashErrEmptyPath;
>+  }
>+  xPath = new SplashXPath(path, state->matrix, state->flatness, gTrue);
>+  xPath->aaScale();
>+  xPath->sort();
>+  scanner = new SplashXPathScanner(xPath, eo);
>+
>+  // get the min and max x and y values
>+  scanner->getBBoxAA(&xMinI, &yMinI, &xMaxI, &yMaxI);
>+
>+  // check clipping
>+  if ((clipRes = state->clip->testRect(xMinI, yMinI, xMaxI, yMaxI))
>+      != splashClipAllOutside) {
>+
>+    // limit the y range
>+    if (yMinI < state->clip->getYMinI()) {
>+      yMinI = state->clip->getYMinI();
>+    }
>+    if (yMaxI > state->clip->getYMaxI()) {
>+      yMaxI = state->clip->getYMaxI();
>+    }
>+
>+	pipeInit(&pipe, 0, yMinI, pattern, NULL, state->fillAlpha, vectorAntialias, gFalse);
>+
>+    // draw the spans
>+	for (y = yMinI; y <= yMaxI; ++y) {
>+		scanner->renderAALine(aaBuf, &x0, &x1, y);
>+		if (clipRes != splashClipAllInside) {
>+			state->clip->clipAALine(aaBuf, &x0, &x1, y);
>+		}
>+		drawAALine(&pipe, x0, x1, y);
>+	}
>+  }
>+  opClipRes = clipRes;
>+
>+  delete scanner;
>+  delete xPath;
>+  return splashOk;
>+}
>diff --git a/splash/Splash.h b/splash/Splash.h
>index c9d57cc..3b2661e 100644
>--- a/splash/Splash.h
>+++ b/splash/Splash.h
>@@ -13,6 +13,8 @@
> //
> // Copyright (C) 2005 Marco Pesenti Gritti <mpg@redhat.com>
> // Copyright (C) 2007 Albert Astals Cid <aacid@kde.org>
>+// Copyright (C) 2010 Thomas Freitag <Thomas.Freitag@alfa.de>
>+// Copyright (C) 2010 Christian Feuersänger <cfeuersaenger@googlemail.com>
> //
> // To see a description of the changes please see the Changelog file that
> // came with your tarball or type make ChangeLog if you are building from git
>@@ -249,6 +251,12 @@ public:
>   void setVectorAntialias(GBool vaa) { vectorAntialias = vaa; }
> #endif
> 
>+  // Do shaded fills with dynamic patterns
>+  SplashError shadedFill(SplashPath *path, GBool eo,
>+				    SplashPattern *pattern);
>+  // Draw a gouraud triangle shading.
>+  GBool gouraudTriangleShadedFill(SplashGouraudColor *shading);
>+
> private:
> 
>   void pipeInit(SplashPipe *pipe, int x, int y,
>diff --git a/splash/SplashBitmap.cc b/splash/SplashBitmap.cc
>index f983439..51e48d3 100644
>--- a/splash/SplashBitmap.cc
>+++ b/splash/SplashBitmap.cc
>@@ -17,6 +17,7 @@
> // Copyright (C) 2009 Stefan Thomas <thomas@eload24.com>
> // Copyright (C) 2010 Adrian Johnson <ajohnson@redneon.com>
> // Copyright (C) 2010 Harry Roberts <harry.roberts@midnight-labs.org>
>+// Copyright (C) 2010 Christian Feuersänger <cfeuersaenger@googlemail.com>
> //
> // To see a description of the changes please see the Changelog file that
> // came with your tarball or type make ChangeLog if you are building from git
>@@ -44,12 +45,13 @@
> // SplashBitmap
> //------------------------------------------------------------------------
> 
>-SplashBitmap::SplashBitmap(int widthA, int heightA, int rowPad,
>+SplashBitmap::SplashBitmap(int widthA, int heightA, int rowPadA,
> 			   SplashColorMode modeA, GBool alphaA,
> 			   GBool topDown) {
>   width = widthA;
>   height = heightA;
>   mode = modeA;
>+  rowPad = rowPadA;
>   switch (mode) {
>   case splashModeMono1:
>     if (width > 0) {
>diff --git a/splash/SplashBitmap.h b/splash/SplashBitmap.h
>index e741a91..1c19421 100644
>--- a/splash/SplashBitmap.h
>+++ b/splash/SplashBitmap.h
>@@ -17,6 +17,7 @@
> // Copyright (C) 2009 Stefan Thomas <thomas@eload24.com>
> // Copyright (C) 2010 Adrian Johnson <ajohnson@redneon.com>
> // Copyright (C) 2010 Harry Roberts <harry.roberts@midnight-labs.org>
>+// Copyright (C) 2010 Christian Feuersänger <cfeuersaenger@googlemail.com>
> //
> // To see a description of the changes please see the Changelog file that
> // came with your tarball or type make ChangeLog if you are building from git
>@@ -56,6 +57,7 @@ public:
>   int getHeight() { return height; }
>   int getRowSize() { return rowSize; }
>   int getAlphaRowSize() { return width; }
>+  int getRowPad() { return rowPad; }
>   SplashColorMode getMode() { return mode; }
>   SplashColorPtr getDataPtr() { return data; }
>   Guchar *getAlphaPtr() { return alpha; }
>@@ -73,6 +75,7 @@ public:
> private:
> 
>   int width, height;		// size of bitmap
>+  int rowPad;
>   int rowSize;			// size of one row of data, in bytes
> 				//   - negative for bottom-up bitmaps
>   SplashColorMode mode;		// color mode
>diff --git a/splash/SplashPattern.cc b/splash/SplashPattern.cc
>index ce49078..b42714d 100644
>--- a/splash/SplashPattern.cc
>+++ b/splash/SplashPattern.cc
>@@ -4,6 +4,20 @@
> //
> //========================================================================
> 
>+//========================================================================
>+//
>+// Modified under the Poppler project - http://poppler.freedesktop.org
>+//
>+// All changes made under the Poppler project to this file are licensed
>+// under GPL version 2 or later
>+//
>+// Copyright (C) 2010 Thomas Freitag <Thomas.Freitag@alfa.de>
>+//
>+// To see a description of the changes please see the Changelog file that
>+// came with your tarball or type make ChangeLog if you are building from git
>+//
>+//========================================================================
>+
> #include <config.h>
> 
> #ifdef USE_GCC_PRAGMAS
>@@ -35,6 +49,7 @@ SplashSolidColor::SplashSolidColor(SplashColorPtr colorA) {
> SplashSolidColor::~SplashSolidColor() {
> }
> 
>-void SplashSolidColor::getColor(int x, int y, SplashColorPtr c) {
>+GBool SplashSolidColor::getColor(int x, int y, SplashColorPtr c) {
>   splashColorCopy(c, color);
>+  return gTrue;
> }
>diff --git a/splash/SplashPattern.h b/splash/SplashPattern.h
>index 4e3d9ab..ad1e8d7 100644
>--- a/splash/SplashPattern.h
>+++ b/splash/SplashPattern.h
>@@ -4,6 +4,20 @@
> //
> //========================================================================
> 
>+//========================================================================
>+//
>+// Modified under the Poppler project - http://poppler.freedesktop.org
>+//
>+// All changes made under the Poppler project to this file are licensed
>+// under GPL version 2 or later
>+//
>+// Copyright (C) 2010 Thomas Freitag <Thomas.Freitag@alfa.de>
>+//
>+// To see a description of the changes please see the Changelog file that
>+// came with your tarball or type make ChangeLog if you are building from git
>+//
>+//========================================================================
>+
> #ifndef SPLASHPATTERN_H
> #define SPLASHPATTERN_H
> 
>@@ -29,7 +43,7 @@ public:
>   virtual ~SplashPattern();
> 
>   // Return the color value for a specific pixel.
>-  virtual void getColor(int x, int y, SplashColorPtr c) = 0;
>+  virtual GBool getColor(int x, int y, SplashColorPtr c) = 0;
> 
>   // Returns true if this pattern object will return the same color
>   // value for all pixels.
>@@ -51,7 +65,7 @@ public:
> 
>   virtual ~SplashSolidColor();
> 
>-  virtual void getColor(int x, int y, SplashColorPtr c);
>+  virtual GBool getColor(int x, int y, SplashColorPtr c);
> 
>   virtual GBool isStatic() { return gTrue; }
> 
>@@ -60,4 +74,24 @@ private:
>   SplashColor color;
> };
> 
>+//------------------------------------------------------------------------
>+// SplashGouraudColor (needed for gouraudTriangleShadedFill)
>+//------------------------------------------------------------------------
>+
>+class SplashGouraudColor: public SplashPattern {
>+public:
>+
>+  virtual GBool isParameterized() = 0;
>+
>+  virtual int getNTriangles() = 0;
>+
>+  virtual  void getTriangle(int i, double *x0, double *y0, double *color0,
>+		   double *x1, double *y1, double *color1,
>+		   double *x2, double *y2, double *color2) = 0;
>+
>+  virtual void getParameterizedColor(double t, SplashColorMode mode, SplashColorPtr c) = 0;
>+
>+private:
>+};
>+
> #endif

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Attachments on bug 30436: 39119 | 39129 | 39130 | 39304 | 39305 | 39480 | 39515 | 39664 | 39974

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