initial preroll api

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"
 #include "SkCanvasDrawable.h"
 #include "SkCanvasPriv.h"
@@ skipping 464 matching lines @@
         : INHERITED(make_nopixels(bounds.width(), bounds.height()))
     {
         this->setOrigin(bounds.x(), bounds.y());
     }
 
 private:
 
     typedef SkBitmapDevice INHERITED;
 };
 
-SkCanvas::SkCanvas(int width, int height)
+SkCanvas::SkCanvas(int width, int height, const SkSurfaceProps* props)
     : fMCStack(sizeof(MCRec), fMCRecStorage, sizeof(fMCRecStorage))
-    , fProps(SkSurfaceProps::kLegacyFontHost_InitType)
+    , fProps(SkSurfacePropsCopyOrDefault(props))
 {
     inc_canvas();
 
     this->init(SkNEW_ARGS(SkNoPixelsBitmapDevice,
                           (SkIRect::MakeWH(width, height))), kDefault_InitFlags)->unref();
 }
 
 SkCanvas::SkCanvas(const SkIRect& bounds, InitFlags flags)
     : fMCStack(sizeof(MCRec), fMCRecStorage, sizeof(fMCRecStorage))
     , fProps(SkSurfaceProps::kLegacyFontHost_InitType)
@@ skipping 2078 matching lines @@
     }
 
     if (matrix) {
         canvas->concat(*matrix);
     }
 }
 
 SkAutoCanvasMatrixPaint::~SkAutoCanvasMatrixPaint() {
     fCanvas->restoreToCount(fSaveCount);
 }