skia/ext/vector_canvas.cc

   1 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "skia/ext/vector_canvas.h"
   6 #include "third_party/skia/include/core/SkDevice.h"
   7
   8 namespace skia {
   9
  10 VectorCanvas::VectorCanvas(SkDevice* device)
  11     : PlatformCanvas(device) {
  12 }
  13
  14 VectorCanvas::~VectorCanvas() {
  15 }
  16
  17 SkBounder* VectorCanvas::setBounder(SkBounder* bounder) {
  18   if (!IsTopDeviceVectorial())
  19     return PlatformCanvas::setBounder(bounder);
  20
  21   // This function isn't used in the code. Verify this assumption.
  22   SkASSERT(false);
  23   return NULL;
  24 }
  25
  26 SkDrawFilter* VectorCanvas::setDrawFilter(SkDrawFilter* filter) {
  27   // This function isn't used in the code. Verify this assumption.
  28   SkASSERT(false);
  29   return NULL;
  30 }
  31
  32 bool VectorCanvas::IsTopDeviceVectorial() const {
  33   SkDevice* device = GetTopDevice(*this);
  34   return device->getDeviceCapabilities() & SkDevice::kVector_Capability;
  35 }
  36
  37 }  // namespace skia
  38