Roll skia to 8cc209111876b7c78b5ec577c9221d8ed5e21024

skia/ext/platform_device.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 "base/logging.h"
-#include "skia/ext/platform_device.h"
-
-#include "third_party/skia/include/core/SkMetaData.h"
-
-namespace skia {
-
-namespace {
-
-const char* kDevicePlatformBehaviour = "CrDevicePlatformBehaviour";
-const char* kDraftModeKey = "CrDraftMode";
-
-#if defined(OS_MACOSX) || defined(OS_WIN)
-const char* kIsPreviewMetafileKey = "CrIsPreviewMetafile";
-#endif
-
-void SetBoolMetaData(const SkCanvas& canvas, const char* key,  bool value) {
-  SkMetaData& meta = skia::getMetaData(canvas);
-  meta.setBool(key, value);
-}
-
-bool GetBoolMetaData(const SkCanvas& canvas, const char* key) {
-  bool value;
-  SkMetaData& meta = skia::getMetaData(canvas);
-  if (!meta.findBool(key, &value))
-    value = false;
-  return value;
-}
-
-}  // namespace
-
-void SetPlatformDevice(SkBaseDevice* device, PlatformDevice* platform_behaviour) {
-  SkMetaData& meta_data = device->getMetaData();
-  meta_data.setPtr(kDevicePlatformBehaviour, platform_behaviour);
-}
-
-PlatformDevice* GetPlatformDevice(SkBaseDevice* device) {
-  if (device) {
-    SkMetaData& meta_data = device->getMetaData();
-    PlatformDevice* device_behaviour = NULL;
-    if (meta_data.findPtr(kDevicePlatformBehaviour,
-                          reinterpret_cast<void**>(&device_behaviour)))
-      return device_behaviour;
-  }
-  return NULL;
-}
-
-SkMetaData& getMetaData(const SkCanvas& canvas) {
-  SkBaseDevice* device = canvas.getDevice();
-  DCHECK(device != NULL);
-  return device->getMetaData();
-}
-
-void SetIsDraftMode(const SkCanvas& canvas, bool draft_mode) {
-  SetBoolMetaData(canvas, kDraftModeKey, draft_mode);
-}
-
-bool IsDraftMode(const SkCanvas& canvas) {
-  return GetBoolMetaData(canvas, kDraftModeKey);
-}
-
-#if defined(OS_MACOSX) || defined(OS_WIN)
-void SetIsPreviewMetafile(const SkCanvas& canvas, bool is_preview) {
-  SetBoolMetaData(canvas, kIsPreviewMetafileKey, is_preview);
-}
-
-bool IsPreviewMetafile(const SkCanvas& canvas) {
-  return GetBoolMetaData(canvas, kIsPreviewMetafileKey);
-}
-#endif
-
-// For platforms without "platform_device_*" specific files,
-// include default behaviors for necessary methods to compile.
-#if defined(OS_NACL)
-PlatformSurface PlatformDevice::BeginPlatformPaint() {
-  return NULL;
-}
-
-void PlatformDevice::EndPlatformPaint() {
-  // By default, do nothing here.
-}
-#endif
-
-bool PlatformDevice::SupportsPlatformPaint() {
-  return true;
-}
-
-}  // namespace skia