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 "core/paint/SVGForeignObjectPainter.h" 7 8#include "core/paint/BlockPainter.h" 9#include "core/rendering/PaintInfo.h" 10#include "core/rendering/svg/RenderSVGForeignObject.h" 11#include "core/rendering/svg/SVGRenderSupport.h" 12#include "core/rendering/svg/SVGRenderingContext.h" 13#include "platform/graphics/GraphicsContextStateSaver.h" 14 15namespace blink { 16 17void SVGForeignObjectPainter::paint(PaintInfo& paintInfo) 18{ 19 if (paintInfo.phase != PaintPhaseForeground && paintInfo.phase != PaintPhaseSelection) 20 return; 21 22 PaintInfo childPaintInfo(paintInfo); 23 GraphicsContextStateSaver stateSaver(*childPaintInfo.context); 24 childPaintInfo.applyTransform(m_renderSVGForeignObject.localTransform()); 25 26 if (SVGRenderSupport::isOverflowHidden(&m_renderSVGForeignObject)) 27 childPaintInfo.context->clip(m_renderSVGForeignObject.viewportRect()); 28 29 SVGRenderingContext renderingContext; 30 bool continueRendering = true; 31 if (paintInfo.phase == PaintPhaseForeground) { 32 renderingContext.prepareToRenderSVGContent(&m_renderSVGForeignObject, childPaintInfo); 33 continueRendering = renderingContext.isRenderingPrepared(); 34 } 35 36 if (continueRendering) { 37 // Paint all phases of FO elements atomically as though the FO element established its own stacking context. 38 bool preservePhase = paintInfo.phase == PaintPhaseSelection || paintInfo.phase == PaintPhaseTextClip; 39 const LayoutPoint childPoint = IntPoint(); 40 childPaintInfo.phase = preservePhase ? paintInfo.phase : PaintPhaseBlockBackground; 41 BlockPainter(m_renderSVGForeignObject).paint(childPaintInfo, childPoint); 42 if (!preservePhase) { 43 childPaintInfo.phase = PaintPhaseChildBlockBackgrounds; 44 BlockPainter(m_renderSVGForeignObject).paint(childPaintInfo, childPoint); 45 childPaintInfo.phase = PaintPhaseFloat; 46 BlockPainter(m_renderSVGForeignObject).paint(childPaintInfo, childPoint); 47 childPaintInfo.phase = PaintPhaseForeground; 48 BlockPainter(m_renderSVGForeignObject).paint(childPaintInfo, childPoint); 49 childPaintInfo.phase = PaintPhaseOutline; 50 BlockPainter(m_renderSVGForeignObject).paint(childPaintInfo, childPoint); 51 } 52 } 53} 54 55} // namespace blink 56