third_party/WebKit/Source/platform/graphics/paint/CompositingDisplayItem.cpp

   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 "config.h"
   6 #include "platform/graphics/paint/CompositingDisplayItem.h"
   7
   8 #include "platform/RuntimeEnabledFeatures.h"
   9 #include "platform/graphics/GraphicsContext.h"
  10 #include "platform/graphics/skia/SkiaUtils.h"
  11 #include "public/platform/WebDisplayItemList.h"
  12
  13 namespace blink {
  14
  15 void BeginCompositingDisplayItem::replay(GraphicsContext& context)
  16 {
  17     context.beginLayer(m_opacity, m_xferMode, m_hasBounds ? &m_bounds : nullptr, m_colorFilter);
  18 }
  19
  20 void BeginCompositingDisplayItem::appendToWebDisplayItemList(WebDisplayItemList* list) const
  21 {
  22     SkRect bounds = m_bounds;
  23     list->appendCompositingItem(m_opacity, m_xferMode, m_hasBounds ? &bounds : nullptr, GraphicsContext::WebCoreColorFilterToSkiaColorFilter(m_colorFilter).get());
  24 }
  25
  26 #ifndef NDEBUG
  27 void BeginCompositingDisplayItem::dumpPropertiesAsDebugString(WTF::StringBuilder& stringBuilder) const
  28 {
  29     DisplayItem::dumpPropertiesAsDebugString(stringBuilder);
  30     stringBuilder.append(WTF::String::format(", xferMode: %d, opacity: %f", m_xferMode, m_opacity));
  31     if (m_hasBounds)
  32         stringBuilder.append(WTF::String::format(", bounds: [%f, %f, %f, %f]", m_bounds.location().x(), m_bounds.location().y(), m_bounds.size().width(), m_bounds.size().height()));
  33 }
  34 #endif
  35
  36 void EndCompositingDisplayItem::replay(GraphicsContext& context)
  37 {
  38     context.endLayer();
  39 }
  40
  41 void EndCompositingDisplayItem::appendToWebDisplayItemList(WebDisplayItemList* list) const
  42 {
  43     list->appendEndCompositingItem();
  44 }
  45
  46 } // namespace blink