? mkinstalldirs
Index: poppler/CairoOutputDev.cc
===================================================================
RCS file: /cvs/poppler/poppler/poppler/CairoOutputDev.cc,v
retrieving revision 1.48
diff -u -r1.48 CairoOutputDev.cc
--- poppler/CairoOutputDev.cc	21 Dec 2006 01:01:30 -0000	1.48
+++ poppler/CairoOutputDev.cc	28 Jul 2007 16:10:34 -0000
@@ -491,6 +491,51 @@
 
 }
 
+cairo_pattern_t *group;
+cairo_pattern_t *mask;
+void CairoOutputDev::beginTransparencyGroup(GfxState * /*state*/, double * /*bbox*/,
+                                      GfxColorSpace * /*blendingColorSpace*/,
+                                      GBool /*isolated*/, GBool /*knockout*/,
+				      GBool forSoftMask) {
+  printf("push group\n");
+  if (0 && forSoftMask)
+    cairo_push_group_with_content (cairo, CAIRO_CONTENT_ALPHA);
+  else
+    cairo_push_group (cairo);
+}
+void CairoOutputDev::endTransparencyGroup(GfxState * /*state*/) {
+  printf("pop group\n");
+  group = cairo_pop_group (cairo);
+}
+void CairoOutputDev::paintTransparencyGroup(GfxState * /*state*/, double * /*bbox*/) {
+  cairo_set_source (cairo, group);
+  if (!mask) {
+    printf("paint group: %g\n", fill_opacity);
+    static int count;
+    //if (count++)
+      cairo_paint_with_alpha (cairo, fill_opacity);
+  } else {
+    printf("paint group w/ mask\n");
+    //cairo_set_source_rgb(cairo, 1.0, 0, 0);
+    cairo_set_source (cairo, mask);
+    cairo_paint(cairo);
+    mask = NULL;
+  }
+}
+
+void CairoOutputDev::setSoftMask(GfxState * /*state*/, double * /*bbox*/, GBool alpha,
+                                 Function * /*transferFunc*/, GfxColor * /*backdropColor*/) {
+  printf("set soft mask\n");
+  //XXX we don't proplery deal with luminocity (e.g. alpha = false) masks
+  cairo_set_source (cairo, group);
+  mask = group;
+  //cairo_paint (cairo);
+}
+
+void CairoOutputDev::clearSoftMask(GfxState * /*state*/) {
+  printf("clear soft mask\n");
+  //mask = NULL;
+}
 
 void CairoOutputDev::drawImageMask(GfxState *state, Object *ref, Stream *str,
 				    int width, int height, GBool invert,
Index: poppler/CairoOutputDev.h
===================================================================
RCS file: /cvs/poppler/poppler/poppler/CairoOutputDev.h,v
retrieving revision 1.17
diff -u -r1.17 CairoOutputDev.h
--- poppler/CairoOutputDev.h	31 May 2006 17:31:49 -0000	1.17
+++ poppler/CairoOutputDev.h	28 Jul 2007 16:10:34 -0000
@@ -133,10 +133,21 @@
 				GBool maskInvert);
 
 
+  //----- transparency groups and soft masks
+  virtual void beginTransparencyGroup(GfxState * /*state*/, double * /*bbox*/,
+                                      GfxColorSpace * /*blendingColorSpace*/,
+                                      GBool /*isolated*/, GBool /*knockout*/,
+                                      GBool /*forSoftMask*/);
+  virtual void endTransparencyGroup(GfxState * /*state*/);
+  virtual void paintTransparencyGroup(GfxState * /*state*/, double * /*bbox*/);
+  virtual void setSoftMask(GfxState * /*state*/, double * /*bbox*/, GBool /*alpha*/,
+                           Function * /*transferFunc*/, GfxColor * /*backdropColor*/);
+  virtual void clearSoftMask(GfxState * /*state*/);
+
   //----- Type 3 font operators
   virtual void type3D0(GfxState *state, double wx, double wy);
   virtual void type3D1(GfxState *state, double wx, double wy,
-		       double llx, double lly, double urx, double ury);
+      double llx, double lly, double urx, double ury);
 
   //----- special access