1 files changed, 80 insertions, 0 deletions
diff --git a/skia/ext/platform_canvas_mac.cc b/skia/ext/platform_canvas_mac.cc
new file mode 100755
index 0000000..0bb56f4
--- /dev/null
+++ b/skia/ext/platform_canvas_mac.cc
@@ -0,0 +1,80 @@
+// Copyright (c) 2006-2008 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_mac.h"
+
+#include "base/logging.h"
+#include "skia/ext/bitmap_platform_device_mac.h"
+
+namespace gfx {
+
+PlatformCanvasMac::PlatformCanvasMac() : SkCanvas() {
+}
+
+PlatformCanvasMac::PlatformCanvasMac(int width, int height, bool is_opaque)
+    : SkCanvas() {
+  initialize(width, height, is_opaque);
+}
+
+PlatformCanvasMac::PlatformCanvasMac(int width,
+                                     int height,
+                                     bool is_opaque,
+                                     CGContextRef context)
+    : SkCanvas() {
+  initialize(width, height, is_opaque);
+}
+
+PlatformCanvasMac::~PlatformCanvasMac() {
+}
+
+bool PlatformCanvasMac::initialize(int width,
+                                   int height,
+                                   bool is_opaque) {
+  SkDevice* device = createPlatformDevice(width, height, is_opaque, NULL);
+  if (!device)
+    return false;
+
+  setDevice(device);
+  device->unref(); // was created with refcount 1, and setDevice also refs
+  return true;
+}
+
+CGContextRef PlatformCanvasMac::beginPlatformPaint() {
+  return getTopPlatformDevice().GetBitmapContext();
+}
+
+void PlatformCanvasMac::endPlatformPaint() {
+  // flushing will be done in onAccessBitmap
+}
+
+PlatformDeviceMac& PlatformCanvasMac::getTopPlatformDevice() const {
+  // All of our devices should be our special PlatformDeviceMac.
+  SkCanvas::LayerIter iter(const_cast<PlatformCanvasMac*>(this), false);
+  return *static_cast<PlatformDeviceMac*>(iter.device());
+}
+
+SkDevice* PlatformCanvasMac::createDevice(SkBitmap::Config config,
+                                       int width,
+                                       int height,
+                                       bool is_opaque, bool isForLayer) {
+  DCHECK(config == SkBitmap::kARGB_8888_Config);
+  return createPlatformDevice(width, height, is_opaque, NULL);
+}
+
+SkDevice* PlatformCanvasMac::createPlatformDevice(int width,
+                                               int height,
+                                               bool is_opaque,
+                                               CGContextRef context) {
+  SkDevice* device = BitmapPlatformDeviceMac::Create(context, width, height,
+                                                  is_opaque);
+  return device;
+}
+
+SkDevice* PlatformCanvasMac::setBitmapDevice(const SkBitmap&) {
+  NOTREACHED();
+  return NULL;
+}
+
+}  // namespace gfx
+