webkit/renderer/compositor_bindings/web_image_layer_impl.cc

   1 // Copyright 2012 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 "webkit/renderer/compositor_bindings/web_image_layer_impl.h"
   6
   7 #include "base/command_line.h"
   8 #include "cc/base/switches.h"
   9 #include "cc/layers/image_layer.h"
  10 #include "cc/layers/picture_image_layer.h"
  11 #include "webkit/renderer/compositor_bindings/web_layer_impl.h"
  12 #include "webkit/renderer/compositor_bindings/web_layer_impl_fixed_bounds.h"
  13
  14 static bool usingPictureLayer() {
  15   return cc::switches::IsImplSidePaintingEnabled();
  16 }
  17
  18 namespace webkit {
  19
  20 WebImageLayerImpl::WebImageLayerImpl() {
  21   if (usingPictureLayer())
  22     layer_.reset(new WebLayerImplFixedBounds(cc::PictureImageLayer::Create()));
  23   else
  24     layer_.reset(new WebLayerImpl(cc::ImageLayer::Create()));
  25 }
  26
  27 WebImageLayerImpl::~WebImageLayerImpl() {}
  28
  29 blink::WebLayer* WebImageLayerImpl::layer() { return layer_.get(); }
  30
  31 void WebImageLayerImpl::setBitmap(SkBitmap bitmap) {
  32   if (usingPictureLayer()) {
  33     static_cast<cc::PictureImageLayer*>(layer_->layer())->SetBitmap(bitmap);
  34     static_cast<WebLayerImplFixedBounds*>(layer_.get())->SetFixedBounds(
  35         gfx::Size(bitmap.width(), bitmap.height()));
  36   } else {
  37     static_cast<cc::ImageLayer*>(layer_->layer())->SetBitmap(bitmap);
  38   }
  39 }
  40
  41 }  // namespace webkit