add SkCanvas::drawDRRect

src/core/SkCanvas.cpp

 
 /*
  * Copyright 2008 The Android Open Source Project
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 
 #include "SkCanvas.h"
@@ skipping 1578 matching lines @@
         if (NULL != renderTarget) {
             return renderTarget->getContext();
         }
     }
 #endif
 
     return NULL;
 
 }
 
+void SkCanvas::drawDRRect(const SkRRect& outer, const SkRRect& inner,
+                          const SkPaint& paint) {
+    // We don't have this method (yet), but technically this is what we should
+    // be able to assert...
+    // SkASSERT(outer.contains(inner));
+    //
+    // For now at least check for containment of bounds
+    SkASSERT(outer.getBounds().contains(inner.getBounds()));
+
+    if (outer.isEmpty()) {
+        return;
+    }
+    if (inner.isEmpty()) {
+        this->drawRRect(outer, paint);
+        return;
+    }
+    this->onDrawDRRect(outer, inner, paint);
+}
+
 //////////////////////////////////////////////////////////////////////////////
 //  These are the virtual drawing methods
 //////////////////////////////////////////////////////////////////////////////
 
 void SkCanvas::clear(SkColor color) {
     SkDrawIter  iter(this);
     this->predrawNotify();
     while (iter.next()) {
         iter.fDevice->clear(color);
     }
@@ skipping 115 matching lines @@
 
     LOOPER_BEGIN(paint, SkDrawFilter::kRRect_Type, bounds)
 
     while (iter.next()) {
         iter.fDevice->drawRRect(iter, rrect, looper.paint());
     }
 
     LOOPER_END
 }
 
+void SkCanvas::onDrawDRRect(const SkRRect& outer, const SkRRect& inner,
+                            const SkPaint& paint) {
+    CHECK_SHADER_NOSETCONTEXT(paint);
+    
+    SkRect storage;
+    const SkRect* bounds = NULL;
+    if (paint.canComputeFastBounds()) {
+        bounds = &paint.computeFastBounds(outer.getBounds(), &storage);
+        if (this->quickReject(*bounds)) {
+            return;
+        }
+    }
+    

[robertphillips, 2014/02/20 19:47:46]

kDRRect_Type?

+    LOOPER_BEGIN(paint, SkDrawFilter::kRRect_Type, bounds)
+    
+    while (iter.next()) {
+        iter.fDevice->drawDRRect(iter, outer, inner, looper.paint());
+    }
+    
+    LOOPER_END
+}
 
 void SkCanvas::drawPath(const SkPath& path, const SkPaint& paint) {
     CHECK_SHADER_NOSETCONTEXT(paint);
 
     if (!path.isFinite()) {
         return;
     }
 
     SkRect storage;
     const SkRect* bounds = NULL;
@@ skipping 499 matching lines @@
     return *paint;
 }
 
 const SkRegion& SkCanvas::LayerIter::clip() const { return fImpl->getClip(); }
 int SkCanvas::LayerIter::x() const { return fImpl->getX(); }
 int SkCanvas::LayerIter::y() const { return fImpl->getY(); }
 
 ///////////////////////////////////////////////////////////////////////////////
 
 SkCanvas::ClipVisitor::~ClipVisitor() { }