more zero-length changes for svg compatibility

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 "SkBitmapDevice.h"
 #include "SkCanvas.h"
 #include "SkCanvasPriv.h"
@@ skipping 2106 matching lines @@
         bounds = &paint.computeFastBounds(pathBounds, &storage);
         if (this->quickReject(*bounds)) {
             return;
         }
     }
 
     const SkRect& r = path.getBounds();
     if (r.width() <= 0 && r.height() <= 0) {
         if (path.isInverseFillType()) {
             this->internalDrawPaint(paint);
+            return;
         }
-        return;
+        if (path.hasOnlyMoveTos()) {

[reed1, 2015/09/03 19:07:27]

Is this test for correctness or for performance?

[caryclark, 2015/09/03 19:37:57]

Correctness. Removing this test causes EmptyPath to fail.

+            return;
+        }
     }
 
     LOOPER_BEGIN(paint, SkDrawFilter::kPath_Type, bounds)
 
     while (iter.next()) {
         iter.fDevice->drawPath(iter, path, looper.paint());
     }
 
     LOOPER_END
 }
@@ skipping 758 matching lines @@
     }
 
     if (matrix) {
         canvas->concat(*matrix);
     }
 }
 
 SkAutoCanvasMatrixPaint::~SkAutoCanvasMatrixPaint() {
     fCanvas->restoreToCount(fSaveCount);
 }