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      1 /*
      2  * Copyright (C) 2006 Oliver Hunt <ojh16 (at) student.canterbury.ac.nz>
      3  * Copyright (C) 2006 Apple Inc. All rights reserved.
      4  * Copyright (C) Research In Motion Limited 2010. All rights reserved.
      5  *
      6  * This library is free software; you can redistribute it and/or
      7  * modify it under the terms of the GNU Library General Public
      8  * License as published by the Free Software Foundation; either
      9  * version 2 of the License, or (at your option) any later version.
     10  *
     11  * This library is distributed in the hope that it will be useful,
     12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
     13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     14  * Library General Public License for more details.
     15  *
     16  * You should have received a copy of the GNU Library General Public License
     17  * along with this library; see the file COPYING.LIB.  If not, write to
     18  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
     19  * Boston, MA 02110-1301, USA.
     20  */
     21 
     22 #include "config.h"
     23 
     24 #if ENABLE(SVG)
     25 #include "RenderSVGInline.h"
     26 
     27 #include "RenderSVGResource.h"
     28 #include "RenderSVGText.h"
     29 #include "SVGInlineFlowBox.h"
     30 
     31 namespace WebCore {
     32 
     33 RenderSVGInline::RenderSVGInline(Node* n)
     34     : RenderInline(n)
     35 {
     36     setAlwaysCreateLineBoxes();
     37 }
     38 
     39 InlineFlowBox* RenderSVGInline::createInlineFlowBox()
     40 {
     41     InlineFlowBox* box = new (renderArena()) SVGInlineFlowBox(this);
     42     box->setHasVirtualLogicalHeight();
     43     return box;
     44 }
     45 
     46 FloatRect RenderSVGInline::objectBoundingBox() const
     47 {
     48     if (const RenderObject* object = RenderSVGText::locateRenderSVGTextAncestor(this))
     49         return object->objectBoundingBox();
     50 
     51     return FloatRect();
     52 }
     53 
     54 FloatRect RenderSVGInline::strokeBoundingBox() const
     55 {
     56     if (const RenderObject* object = RenderSVGText::locateRenderSVGTextAncestor(this))
     57         return object->strokeBoundingBox();
     58 
     59     return FloatRect();
     60 }
     61 
     62 FloatRect RenderSVGInline::repaintRectInLocalCoordinates() const
     63 {
     64     if (const RenderObject* object = RenderSVGText::locateRenderSVGTextAncestor(this))
     65         return object->repaintRectInLocalCoordinates();
     66 
     67     return FloatRect();
     68 }
     69 
     70 IntRect RenderSVGInline::clippedOverflowRectForRepaint(RenderBoxModelObject* repaintContainer)
     71 {
     72     return SVGRenderSupport::clippedOverflowRectForRepaint(this, repaintContainer);
     73 }
     74 
     75 void RenderSVGInline::computeRectForRepaint(RenderBoxModelObject* repaintContainer, IntRect& repaintRect, bool fixed)
     76 {
     77     SVGRenderSupport::computeRectForRepaint(this, repaintContainer, repaintRect, fixed);
     78 }
     79 
     80 void RenderSVGInline::mapLocalToContainer(RenderBoxModelObject* repaintContainer, bool useTransforms, bool fixed, TransformState& transformState) const
     81 {
     82     SVGRenderSupport::mapLocalToContainer(this, repaintContainer, useTransforms, fixed, transformState);
     83 }
     84 
     85 void RenderSVGInline::absoluteQuads(Vector<FloatQuad>& quads)
     86 {
     87     RenderObject* object = RenderSVGText::locateRenderSVGTextAncestor(this);
     88     if (!object)
     89         return;
     90 
     91     FloatRect textBoundingBox = object->strokeBoundingBox();
     92     for (InlineFlowBox* box = firstLineBox(); box; box = box->nextLineBox())
     93         quads.append(localToAbsoluteQuad(FloatRect(textBoundingBox.x() + box->x(), textBoundingBox.y() + box->y(), box->logicalWidth(), box->logicalHeight())));
     94 }
     95 
     96 void RenderSVGInline::destroy()
     97 {
     98     SVGResourcesCache::clientDestroyed(this);
     99     RenderInline::destroy();
    100 }
    101 
    102 void RenderSVGInline::styleWillChange(StyleDifference diff, const RenderStyle* newStyle)
    103 {
    104     if (diff == StyleDifferenceLayout)
    105         setNeedsBoundariesUpdate();
    106     RenderInline::styleWillChange(diff, newStyle);
    107 }
    108 
    109 void RenderSVGInline::styleDidChange(StyleDifference diff, const RenderStyle* oldStyle)
    110 {
    111     RenderInline::styleDidChange(diff, oldStyle);
    112     SVGResourcesCache::clientStyleChanged(this, diff, style());
    113 }
    114 
    115 void RenderSVGInline::updateFromElement()
    116 {
    117     RenderInline::updateFromElement();
    118     SVGResourcesCache::clientUpdatedFromElement(this, style());
    119 }
    120 
    121 
    122 }
    123 
    124 #endif // ENABLE(SVG)
    125