POSIX: bitmap data on the wire

chrome/browser/renderer_host/backing_store_posix.cc

+// 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 "chrome/browser/renderer_host/backing_store.h"
+
+BackingStore::BackingStore(const gfx::Size& size)
+    : size_(size) {
+  if (!canvas_.initialize(size.width(), size.height(), true))
+    SK_CRASH();
+}
+
+BackingStore::~BackingStore() {
+}
+
+bool BackingStore::PaintRect(base::ProcessHandle process,
+                             BitmapWireData bitmap,
+                             const gfx::Rect& bitmap_rect) {
+  if (bitmap.width() != bitmap_rect.width() ||
+      bitmap.height() != bitmap_rect.height() ||
+      bitmap.config() != SkBitmap::kARGB_8888_Config) {
+    return false;
+  }
+
+  canvas_.drawBitmap(bitmap, bitmap_rect.x(), bitmap_rect.y());
+  return true;
+}
+
+void BackingStore::ScrollRect(base::ProcessHandle process,
+                              BitmapWireData bitmap,
+                              const gfx::Rect& bitmap_rect,
+                              int dx, int dy,
+                              const gfx::Rect& clip_rect,
+                              const gfx::Size& view_size) {
+  // TODO(port): implement scrolling
+  NOTIMPLEMENTED();
+}