1/* 2 * Copyright (C) 2012 Google Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * 2. Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND ANY 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 15 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 16 * DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY 17 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 18 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 19 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON 20 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 21 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 22 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 23 */ 24 25#include "config.h" 26 27#include "platform/graphics/ContentLayerDelegate.h" 28 29#include "platform/EventTracer.h" 30#include "platform/geometry/IntRect.h" 31#include "platform/graphics/GraphicsContext.h" 32#include "platform/transforms/AffineTransform.h" 33#include "public/platform/WebFloatRect.h" 34#include "public/platform/WebRect.h" 35 36namespace blink { 37 38ContentLayerDelegate::ContentLayerDelegate(GraphicsContextPainter* painter) 39 : m_painter(painter) 40 , m_opaque(false) 41{ 42} 43 44ContentLayerDelegate::~ContentLayerDelegate() 45{ 46} 47 48void ContentLayerDelegate::paintContents( 49 SkCanvas* canvas, const WebRect& clip, bool canPaintLCDText, 50 WebContentLayerClient::GraphicsContextStatus contextStatus) 51{ 52 static const unsigned char* annotationsEnabled = 0; 53 if (UNLIKELY(!annotationsEnabled)) 54 annotationsEnabled = EventTracer::getTraceCategoryEnabledFlag(TRACE_DISABLED_BY_DEFAULT("blink.graphics_context_annotations")); 55 56 GraphicsContext context(canvas, contextStatus == WebContentLayerClient::GraphicsContextEnabled ? GraphicsContext::NothingDisabled : GraphicsContext::FullyDisabled); 57 context.setCertainlyOpaque(m_opaque); 58 context.setShouldSmoothFonts(canPaintLCDText); 59 if (*annotationsEnabled) 60 context.setAnnotationMode(AnnotateAll); 61 62 m_painter->paint(context, clip); 63} 64 65} // namespace blink 66