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/blink/web_filter_operations_impl.h"
  11 #include "cc/resources/clip_display_item.h"
  12 #include "cc/resources/clip_path_display_item.h"
  13 #include "cc/resources/drawing_display_item.h"
  14 #include "cc/resources/filter_display_item.h"
  15 #include "cc/resources/float_clip_display_item.h"
  16 #include "cc/resources/transform_display_item.h"
  17 #include "cc/resources/transparency_display_item.h"
  18 #include "skia/ext/refptr.h"
  19 #include "third_party/WebKit/public/platform/WebFloatRect.h"
  20 #include "third_party/WebKit/public/platform/WebRect.h"
  21 #include "third_party/skia/include/core/SkImageFilter.h"
  22 #include "third_party/skia/include/core/SkPicture.h"
  23 #include "third_party/skia/include/utils/SkMatrix44.h"
  24 #include "ui/gfx/transform.h"
  25
  26 namespace cc_blink {
  27
  28 WebDisplayItemListImpl::WebDisplayItemListImpl()
  29     : display_item_list_(cc::DisplayItemList::Create()) {
  30 }
  31
  32 scoped_refptr<cc::DisplayItemList> WebDisplayItemListImpl::ToDisplayItemList() {
  33   return display_item_list_;
  34 }
  35
  36 void WebDisplayItemListImpl::appendDrawingItem(const SkPicture* picture) {
  37   display_item_list_->AppendItem(cc::DrawingDisplayItem::Create(
  38       skia::SharePtr(const_cast<SkPicture*>(picture)), gfx::PointF(0, 0)));
  39 }
  40
  41 void WebDisplayItemListImpl::appendDrawingItem(
  42     SkPicture* picture,
  43     const blink::WebFloatPoint& location) {
  44   display_item_list_->AppendItem(
  45       cc::DrawingDisplayItem::Create(skia::SharePtr(picture), location));
  46 }
  47
  48 void WebDisplayItemListImpl::appendClipItem(
  49     const blink::WebRect& clip_rect,
  50     const blink::WebVector<SkRRect>& rounded_clip_rects) {
  51   std::vector<SkRRect> rounded_rects;
  52   for (size_t i = 0; i < rounded_clip_rects.size(); ++i) {
  53     rounded_rects.push_back(rounded_clip_rects[i]);
  54   }
  55   display_item_list_->AppendItem(
  56       cc::ClipDisplayItem::Create(clip_rect, rounded_rects));
  57 }
  58
  59 void WebDisplayItemListImpl::appendEndClipItem() {
  60   display_item_list_->AppendItem(cc::EndClipDisplayItem::Create());
  61 }
  62
  63 void WebDisplayItemListImpl::appendClipPathItem(const SkPath& clip_path,
  64                                                 SkRegion::Op clip_op,
  65                                                 bool antialias) {
  66   display_item_list_->AppendItem(
  67       cc::ClipPathDisplayItem::Create(clip_path, clip_op, antialias));
  68 }
  69
  70 void WebDisplayItemListImpl::appendEndClipPathItem() {
  71   display_item_list_->AppendItem(cc::EndClipPathDisplayItem::Create());
  72 }
  73
  74 void WebDisplayItemListImpl::appendFloatClipItem(
  75     const blink::WebFloatRect& clip_rect) {
  76   display_item_list_->AppendItem(cc::FloatClipDisplayItem::Create(clip_rect));
  77 }
  78
  79 void WebDisplayItemListImpl::appendEndFloatClipItem() {
  80   display_item_list_->AppendItem(cc::EndFloatClipDisplayItem::Create());
  81 }
  82
  83 void WebDisplayItemListImpl::appendTransformItem(const SkMatrix44& matrix) {
  84   gfx::Transform transform;
  85   transform.matrix() = matrix;
  86   display_item_list_->AppendItem(cc::TransformDisplayItem::Create(transform));
  87 }
  88
  89 void WebDisplayItemListImpl::appendTransparencyItem(
  90     float opacity,
  91     blink::WebBlendMode blend_mode) {
  92   display_item_list_->AppendItem(cc::TransparencyDisplayItem::Create(
  93       opacity, BlendModeToSkia(blend_mode)));
  94 }
  95
  96 void WebDisplayItemListImpl::appendEndTransformItem() {
  97   display_item_list_->AppendItem(cc::EndTransformDisplayItem::Create());
  98 }
  99
 100 void WebDisplayItemListImpl::appendEndTransparencyItem() {
 101   display_item_list_->AppendItem(cc::EndTransparencyDisplayItem::Create());
 102 }
 103
 104 #if FILTER_DISPLAY_ITEM_USES_FILTER_OPERATIONS
 105 void WebDisplayItemListImpl::appendFilterItem(
 106     const blink::WebFilterOperations& filters,
 107     const blink::WebFloatRect& bounds) {
 108   const WebFilterOperationsImpl& filters_impl =
 109       static_cast<const WebFilterOperationsImpl&>(filters);
 110   display_item_list_->AppendItem(
 111       cc::FilterDisplayItem::Create(filters_impl.AsFilterOperations(), bounds));
 112 }
 113 #else
 114 void WebDisplayItemListImpl::appendFilterItem(
 115     SkImageFilter* filter,
 116     const blink::WebFloatRect& bounds) {
 117   cc::FilterOperations filter_operations;
 118   filter_operations.Append(
 119       cc::FilterOperation::CreateReferenceFilter(skia::SharePtr(filter)));
 120   display_item_list_->AppendItem(
 121       cc::FilterDisplayItem::Create(filter_operations, bounds));
 122 }
 123 #endif
 124
 125 void WebDisplayItemListImpl::appendEndFilterItem() {
 126   display_item_list_->AppendItem(cc::EndFilterDisplayItem::Create());
 127 }
 128
 129 WebDisplayItemListImpl::~WebDisplayItemListImpl() {
 130 }
 131
 132 }  // namespace cc_blink