cc/blink/web_display_item_list_impl.cc

   1 // Copyright 2014 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 "cc/blink/web_display_item_list_impl.h"
   6
   7 #include <vector>
   8
   9 #include "cc/blink/web_blend_mode.h"
  10 #include "cc/resources/clip_display_item.h"
  11 #include "cc/resources/drawing_display_item.h"
  12 #include "cc/resources/filter_display_item.h"
  13 #include "cc/resources/float_clip_display_item.h"
  14 #include "cc/resources/transform_display_item.h"
  15 #include "cc/resources/transparency_display_item.h"
  16 #include "skia/ext/refptr.h"
  17 #include "third_party/WebKit/public/platform/WebFloatRect.h"
  18 #include "third_party/WebKit/public/platform/WebRect.h"
  19 #include "third_party/skia/include/core/SkImageFilter.h"
  20 #include "third_party/skia/include/core/SkPicture.h"
  21 #include "third_party/skia/include/utils/SkMatrix44.h"
  22 #include "ui/gfx/transform.h"
  23
  24 namespace cc_blink {
  25
  26 WebDisplayItemListImpl::WebDisplayItemListImpl()
  27     : display_item_list_(cc::DisplayItemList::Create()) {
  28 }
  29
  30 scoped_refptr<cc::DisplayItemList> WebDisplayItemListImpl::ToDisplayItemList() {
  31   return display_item_list_;
  32 }
  33
  34 void WebDisplayItemListImpl::appendDrawingItem(
  35     SkPicture* picture,
  36     const blink::WebFloatPoint& location) {
  37   display_item_list_->AppendItem(
  38       cc::DrawingDisplayItem::Create(skia::SharePtr(picture), location));
  39 }
  40
  41 void WebDisplayItemListImpl::appendClipItem(
  42     const blink::WebRect& clip_rect,
  43     const blink::WebVector<SkRRect>& rounded_clip_rects) {
  44   std::vector<SkRRect> rounded_rects;
  45   for (size_t i = 0; i < rounded_clip_rects.size(); ++i) {
  46     rounded_rects.push_back(rounded_clip_rects[i]);
  47   }
  48   display_item_list_->AppendItem(
  49       cc::ClipDisplayItem::Create(clip_rect, rounded_rects));
  50 }
  51
  52 void WebDisplayItemListImpl::appendEndClipItem() {
  53   display_item_list_->AppendItem(cc::EndClipDisplayItem::Create());
  54 }
  55
  56 void WebDisplayItemListImpl::appendFloatClipItem(
  57     const blink::WebFloatRect& clip_rect) {
  58   display_item_list_->AppendItem(cc::FloatClipDisplayItem::Create(clip_rect));
  59 }
  60
  61 void WebDisplayItemListImpl::appendEndFloatClipItem() {
  62   display_item_list_->AppendItem(cc::EndFloatClipDisplayItem::Create());
  63 }
  64
  65 void WebDisplayItemListImpl::appendTransformItem(const SkMatrix44& matrix) {
  66   gfx::Transform transform;
  67   transform.matrix() = matrix;
  68   display_item_list_->AppendItem(cc::TransformDisplayItem::Create(transform));
  69 }
  70
  71 void WebDisplayItemListImpl::appendTransparencyItem(
  72     float opacity,
  73     blink::WebBlendMode blend_mode) {
  74   display_item_list_->AppendItem(cc::TransparencyDisplayItem::Create(
  75       opacity, BlendModeToSkia(blend_mode)));
  76 }
  77
  78 void WebDisplayItemListImpl::appendEndTransformItem() {
  79   display_item_list_->AppendItem(cc::EndTransformDisplayItem::Create());
  80 }
  81
  82 void WebDisplayItemListImpl::appendEndTransparencyItem() {
  83   display_item_list_->AppendItem(cc::EndTransparencyDisplayItem::Create());
  84 }
  85
  86 void WebDisplayItemListImpl::appendFilterItem(
  87     SkImageFilter* filter,
  88     const blink::WebFloatRect& bounds) {
  89   display_item_list_->AppendItem(
  90       cc::FilterDisplayItem::Create(skia::SharePtr(filter), bounds));
  91 }
  92
  93 void WebDisplayItemListImpl::appendEndFilterItem() {
  94   display_item_list_->AppendItem(cc::EndFilterDisplayItem::Create());
  95 }
  96
  97 WebDisplayItemListImpl::~WebDisplayItemListImpl() {
  98 }
  99
 100 }  // namespace cc_blink