make some canvas utils virtual (for proxy based subclasses)

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 794 matching lines @@
     // can decide to just make it a field in the device (rather than a ptr)
     if (nullptr == fMetaData) {
         fMetaData = new SkMetaData;
     }
     return *fMetaData;
 }
 
 ///////////////////////////////////////////////////////////////////////////////
 
 void SkCanvas::flush() {
+    this->onFlush();
+}
+
+void SkCanvas::onFlush() {
     SkBaseDevice* device = this->getDevice();
     if (device) {
         device->flush();
     }
 }
 
 SkISize SkCanvas::getBaseLayerSize() const {
     SkBaseDevice* d = this->getDevice();
     return d ? SkISize::Make(d->width(), d->height()) : SkISize::Make(0, 0);
 }
@@ skipping 539 matching lines @@
     }
     return this->onNewSurface(info, *props);
 }
 
 sk_sp<SkSurface> SkCanvas::onNewSurface(const SkImageInfo& info, const SkSurfaceProps& props) {
     SkBaseDevice* dev = this->getDevice();
     return dev ? dev->makeSurface(info, props) : nullptr;
 }
 
 SkImageInfo SkCanvas::imageInfo() const {
+    return this->onImageInfo();
+}
+
+SkImageInfo SkCanvas::onImageInfo() const {
     SkBaseDevice* dev = this->getDevice();
     if (dev) {
         return dev->imageInfo();
     } else {
         return SkImageInfo::MakeUnknown(0, 0);
     }
 }
 
 bool SkCanvas::getProps(SkSurfaceProps* props) const {
+    return this->onGetProps(props);
+}
+
+bool SkCanvas::onGetProps(SkSurfaceProps* props) const {
     SkBaseDevice* dev = this->getDevice();
     if (dev) {
         if (props) {
             *props = fProps;
         }
         return true;
     } else {
         return false;
     }
 }
@@ skipping 1516 matching lines @@
 
     SkRect  r;
     r.set(cx - radius, cy - radius, cx + radius, cy + radius);
     this->drawOval(r, paint);
 }
 
 void SkCanvas::drawRoundRect(const SkRect& r, SkScalar rx, SkScalar ry,
                              const SkPaint& paint) {
     TRACE_EVENT0("disabled-by-default-skia", "SkCanvas::drawRoundRect()");
     if (rx > 0 && ry > 0) {
-        if (paint.canComputeFastBounds()) {
-            SkRect storage;
-            if (this->quickReject(paint.computeFastBounds(r, &storage))) {
-                return;
-            }
-        }
         SkRRect rrect;
         rrect.setRectXY(r, rx, ry);
         this->drawRRect(rrect, paint);
     } else {
         this->drawRect(r, paint);
     }
 }
 
 void SkCanvas::drawArc(const SkRect& oval, SkScalar startAngle,
                        SkScalar sweepAngle, bool useCenter,
@@ skipping 181 matching lines @@
 
 SkAutoCanvasMatrixPaint::~SkAutoCanvasMatrixPaint() {
     fCanvas->restoreToCount(fSaveCount);
 }
 
 #ifdef SK_SUPPORT_LEGACY_NEW_SURFACE_API
 SkSurface* SkCanvas::newSurface(const SkImageInfo& info, const SkSurfaceProps* props) {
     return this->makeSurface(info, props).release();
 }
 #endif