/* * Copyright (C) 2012 Google Inc. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include "config.h" #if USE(ACCELERATED_COMPOSITING) #include "cc/CCSolidColorLayerImpl.h" #include "LayerRendererChromium.h" #include "cc/CCQuadCuller.h" #include "cc/CCSolidColorDrawQuad.h" #include <wtf/MathExtras.h> #include <wtf/text/WTFString.h> using namespace std; namespace WebCore { CCSolidColorLayerImpl::CCSolidColorLayerImpl(int id) : CCLayerImpl(id) , m_tileSize(256) { } CCSolidColorLayerImpl::~CCSolidColorLayerImpl() { } TransformationMatrix CCSolidColorLayerImpl::quadTransform() const { TransformationMatrix solidColorTransform = drawTransform(); solidColorTransform.translate(-bounds().width() / 2.0, -bounds().height() / 2.0); return solidColorTransform; } void CCSolidColorLayerImpl::appendQuads(CCQuadCuller& quadList, const CCSharedQuadState* sharedQuadState, bool&) { // We create a series of smaller quads instead of just one large one so that the // culler can reduce the total pixels drawn. int width = bounds().width(); int height = bounds().height(); for (int x = 0; x < width; x += m_tileSize) { for (int y = 0; y < height; y += m_tileSize) { IntRect solidTileRect(x, y, min(width - x, m_tileSize), min(height - y, m_tileSize)); quadList.append(CCSolidColorDrawQuad::create(sharedQuadState, solidTileRect, backgroundColor())); } } } } // namespace WebCore #endif // USE(ACCELERATED_COMPOSITING)