Part 8 of cc/ directory shuffles: resources

cc/image_layer_updater.cc

-// Copyright 2012 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 "cc/image_layer_updater.h"
-#include "cc/prioritized_resource.h"
-#include "cc/resource_update_queue.h"
-
-namespace cc {
-
-ImageLayerUpdater::Resource::Resource(ImageLayerUpdater* updater,
-                                      scoped_ptr<PrioritizedResource> texture)
-    : LayerUpdater::Resource(texture.Pass()), updater_(updater) {}
-
-ImageLayerUpdater::Resource::~Resource() {}
-
-void ImageLayerUpdater::Resource::Update(ResourceUpdateQueue* queue,
-                                         gfx::Rect source_rect,
-                                         gfx::Vector2d dest_offset,
-                                         bool partial_update,
-                                         RenderingStats*) {
-  updater_->UpdateTexture(
-      queue, texture(), source_rect, dest_offset, partial_update);
-}
-
-// static
-scoped_refptr<ImageLayerUpdater> ImageLayerUpdater::Create() {
-  return make_scoped_refptr(new ImageLayerUpdater());
-}
-
-scoped_ptr<LayerUpdater::Resource> ImageLayerUpdater::CreateResource(
-    PrioritizedResourceManager* manager) {
-  return scoped_ptr<LayerUpdater::Resource>(
-      new Resource(this, PrioritizedResource::create(manager)));
-}
-
-void ImageLayerUpdater::UpdateTexture(ResourceUpdateQueue* queue,
-                                      PrioritizedResource* texture,
-                                      gfx::Rect source_rect,
-                                      gfx::Vector2d dest_offset,
-                                      bool partial_update) {
-  // Source rect should never go outside the image pixels, even if this
-  // is requested because the texture extends outside the image.
-  gfx::Rect clipped_source_rect = source_rect;
-  gfx::Rect image_rect = gfx::Rect(0, 0, bitmap_.width(), bitmap_.height());
-  clipped_source_rect.Intersect(image_rect);
-
-  gfx::Vector2d clipped_dest_offset =
-      dest_offset +
-      gfx::Vector2d(clipped_source_rect.origin() - source_rect.origin());
-
-  ResourceUpdate upload = ResourceUpdate::Create(
-      texture, &bitmap_, image_rect, clipped_source_rect, clipped_dest_offset);
-  if (partial_update)
-    queue->appendPartialUpload(upload);
-  else
-    queue->appendFullUpload(upload);
-}
-
-}