Roll skia to 8cc209111876b7c78b5ec577c9221d8ed5e21024

skia/ext/platform_canvas.cc

-// Copyright (c) 2011 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "skia/ext/platform_canvas.h"
-
-#include "skia/ext/bitmap_platform_device.h"
-#include "third_party/skia/include/core/SkTypes.h"
-
-namespace skia {
-
-SkBaseDevice* GetTopDevice(const SkCanvas& canvas) {
-  return canvas.getTopDevice(true);
-}
-
-bool SupportsPlatformPaint(const SkCanvas* canvas) {
-  PlatformDevice* platform_device = GetPlatformDevice(GetTopDevice(*canvas));
-  return platform_device && platform_device->SupportsPlatformPaint();
-}
-
-PlatformSurface BeginPlatformPaint(SkCanvas* canvas) {
-  PlatformDevice* platform_device = GetPlatformDevice(GetTopDevice(*canvas));
-  if (platform_device)
-    return platform_device->BeginPlatformPaint();
-
-  return 0;
-}
-
-void EndPlatformPaint(SkCanvas* canvas) {
-  PlatformDevice* platform_device = GetPlatformDevice(GetTopDevice(*canvas));
-  if (platform_device)
-    platform_device->EndPlatformPaint();
-}
-
-void MakeOpaque(SkCanvas* canvas, int x, int y, int width, int height) {
-  if (width <= 0 || height <= 0)
-    return;
-
-  SkRect rect;
-  rect.setXYWH(SkIntToScalar(x), SkIntToScalar(y),
-               SkIntToScalar(width), SkIntToScalar(height));
-  SkPaint paint;
-  paint.setColor(SK_ColorBLACK);
-  paint.setXfermodeMode(SkXfermode::kDstATop_Mode);
-  canvas->drawRect(rect, paint);
-}
-
-size_t PlatformCanvasStrideForWidth(unsigned width) {
-  return 4 * width;
-}
-
-SkCanvas* CreateCanvas(const skia::RefPtr<SkBaseDevice>& device, OnFailureType failureType) {
-  if (!device) {
-    if (CRASH_ON_FAILURE == failureType)
-      SK_CRASH();
-    return NULL;
-  }
-  return new SkCanvas(device.get());
-}
-
-PlatformBitmap::PlatformBitmap() : surface_(0), platform_extra_(0) {}
-
-}  // namespace skia