Merged.

(bzr r15369.1.15)

5 files changed, 28 insertions, 10 deletions

diff --git a/src/display/drawing-group.cpp b/src/display/drawing-group.cpp
index 1a9cbfdcc..018f23e74 100644
--- a/src/display/drawing-group.cpp
+++ b/src/display/drawing-group.cpp
@@ -95,6 +95,7 @@ DrawingGroup::_renderItem(DrawingContext &dc, Geom::IntRect const &area, unsigne
     if (stop_at == NULL) {
         // normal rendering
         for (ChildrenList::iterator i = _children.begin(); i != _children.end(); ++i) {
+            i->setAntialiasing(_antialias);
             i->render(dc, area, flags, stop_at);
         }
     } else {
@@ -103,10 +104,12 @@ DrawingGroup::_renderItem(DrawingContext &dc, Geom::IntRect const &area, unsigne
             if (&*i == stop_at) return RENDER_OK; // do not render the stop_at item at all
             if (i->isAncestorOf(stop_at)) {
                 // render its ancestors without masks, opacity or filters
+                i->setAntialiasing(_antialias);
                 i->render(dc, area, flags | RENDER_FILTER_BACKGROUND, stop_at);
                 // stop further rendering
                 return RENDER_OK;
             } else {
+                i->setAntialiasing(_antialias);
                 i->render(dc, area, flags, stop_at);
             }
         }
diff --git a/src/display/drawing-item.cpp b/src/display/drawing-item.cpp
index 89ca66dc4..c4af81efc 100644
--- a/src/display/drawing-item.cpp
+++ b/src/display/drawing-item.cpp
@@ -132,7 +132,7 @@ DrawingItem::DrawingItem(Drawing &drawing)
     , _propagate(0)
 //    , _renders_opacity(0)
     , _pick_children(0)
-    , _antialias(1)
+    , _antialias(2)
     , _isolation(SP_CSS_ISOLATION_AUTO)
     , _mix_blend_mode(SP_CSS_BLEND_NORMAL)
 {}
@@ -291,7 +291,7 @@ DrawingItem::setOpacity(float opacity)
 }
 
 void
-DrawingItem::setAntialiasing(bool a)
+DrawingItem::setAntialiasing(unsigned a)
 {
     if (_antialias != a) {
         _antialias = a;
@@ -699,10 +699,21 @@ DrawingItem::render(DrawingContext &dc, Geom::IntRect const &area, unsigned flag
     Geom::OptIntRect carea = Geom::intersect(area, _drawbox);
     if (!carea) return RENDER_OK;
 
-    if (_antialias) {
-        cairo_set_antialias(dc.raw(), CAIRO_ANTIALIAS_DEFAULT);
-    } else {
-        cairo_set_antialias(dc.raw(), CAIRO_ANTIALIAS_NONE);
+    switch(_antialias){
+        case 0:
+            cairo_set_antialias(dc.raw(), CAIRO_ANTIALIAS_NONE);
+            break;
+        case 1:
+            cairo_set_antialias(dc.raw(), CAIRO_ANTIALIAS_FAST);
+            break;
+        case 2:
+            cairo_set_antialias(dc.raw(), CAIRO_ANTIALIAS_GOOD);
+            break;
+        case 3:
+            cairo_set_antialias(dc.raw(), CAIRO_ANTIALIAS_BEST);
+            break;
+        default: // should not happen
+            g_assert_not_reached();
     }
 
     // render from cache if possible
diff --git a/src/display/drawing-item.h b/src/display/drawing-item.h
index 3c593ceaa..21f6ffacc 100644
--- a/src/display/drawing-item.h
+++ b/src/display/drawing-item.h
@@ -115,7 +115,7 @@ public:
     virtual void setStyle(SPStyle *style, SPStyle *context_style = NULL);
     virtual void setChildrenStyle(SPStyle *context_style);
     void setOpacity(float opacity);
-    void setAntialiasing(bool a);
+    void setAntialiasing(unsigned a);
     void setIsolation(unsigned isolation); // CSS Compositing and Blending
     void setBlendMode(unsigned blend_mode);
     void setTransform(Geom::Affine const &trans);
@@ -222,7 +222,7 @@ protected:
     //unsigned _renders_opacity : 1; ///< Whether object needs temporary surface for opacity
     unsigned _pick_children : 1; ///< For groups: if true, children are returned from pick(),
                                  ///  otherwise the group is returned
-    unsigned _antialias : 1; ///< Whether to use antialiasing
+    unsigned _antialias : 2; ///< antialiasing level (NONE/FAST/GOOD(DEFAULT)/BEST)
 
     unsigned _isolation : 1;
     unsigned _mix_blend_mode : 4;
diff --git a/src/display/drawing.cpp b/src/display/drawing.cpp
index eadd7e528..71fb94be0 100644
--- a/src/display/drawing.cpp
+++ b/src/display/drawing.cpp
@@ -167,10 +167,14 @@ Drawing::update(Geom::IntRect const &area, UpdateContext const &ctx, unsigned fl
 }
 
 void
-Drawing::render(DrawingContext &dc, Geom::IntRect const &area, unsigned flags)
+Drawing::render(DrawingContext &dc, Geom::IntRect const &area, unsigned flags, int antialiasing)
 {
     if (_root) {
+        int prev_a = _root->_antialias;
+        if(antialiasing >= 0)
+            _root->setAntialiasing(antialiasing);
         _root->render(dc, area, flags);
+        _root->setAntialiasing(prev_a);
     }
 
     if (colorMode() == COLORMODE_GRAYSCALE) {
diff --git a/src/display/drawing.h b/src/display/drawing.h
index 0c12b1510..e472c8f5b 100644
--- a/src/display/drawing.h
+++ b/src/display/drawing.h
@@ -68,7 +68,7 @@ public:
     void setGrayscaleMatrix(double value_matrix[20]);
 
     void update(Geom::IntRect const &area = Geom::IntRect::infinite(), UpdateContext const &ctx = UpdateContext(), unsigned flags = DrawingItem::STATE_ALL, unsigned reset = 0);
-    void render(DrawingContext &dc, Geom::IntRect const &area, unsigned flags = 0);
+    void render(DrawingContext &dc, Geom::IntRect const &area, unsigned flags = 0, int antialiasing = -1);
     DrawingItem *pick(Geom::Point const &p, double delta, unsigned flags);
 
     sigc::signal<void, DrawingItem *> signal_request_update;