cc/RenderSurfaceChromium.cpp

   1 // Copyright 2010 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
   7 #if USE(ACCELERATED_COMPOSITING)
   8
   9 #include "RenderSurfaceChromium.h"
  10
  11 #include "CCMathUtil.h"
  12 #include "LayerChromium.h"
  13 #include <public/WebTransformationMatrix.h>
  14
  15 using WebKit::WebTransformationMatrix;
  16
  17 namespace WebCore {
  18
  19 RenderSurfaceChromium::RenderSurfaceChromium(LayerChromium* owningLayer)
  20     : m_owningLayer(owningLayer)
  21     , m_drawOpacity(1)
  22     , m_drawOpacityIsAnimating(false)
  23     , m_targetSurfaceTransformsAreAnimating(false)
  24     , m_screenSpaceTransformsAreAnimating(false)
  25     , m_nearestAncestorThatMovesPixels(0)
  26 {
  27 }
  28
  29 RenderSurfaceChromium::~RenderSurfaceChromium()
  30 {
  31 }
  32
  33 FloatRect RenderSurfaceChromium::drawableContentRect() const
  34 {
  35     FloatRect drawableContentRect = CCMathUtil::mapClippedRect(m_drawTransform, m_contentRect);
  36     if (m_owningLayer->hasReplica())
  37         drawableContentRect.unite(CCMathUtil::mapClippedRect(m_replicaDrawTransform, m_contentRect));
  38     return drawableContentRect;
  39 }
  40
  41 }
  42 #endif // USE(ACCELERATED_COMPOSITING)