| /* |
| Copyright (C) 2004, 2005, 2007 Nikolas Zimmermann <zimmermann@kde.org> |
| 2004, 2005, 2010 Rob Buis <buis@kde.org> |
| Copyright (C) Research In Motion Limited 2010. All rights reserved. |
| |
| Based on khtml code by: |
| Copyright (C) 1999 Antti Koivisto (koivisto@kde.org) |
| Copyright (C) 1999-2003 Lars Knoll (knoll@kde.org) |
| Copyright (C) 2002-2003 Dirk Mueller (mueller@kde.org) |
| Copyright (C) 2002 Apple Computer, Inc. |
| |
| This library is free software; you can redistribute it and/or |
| modify it under the terms of the GNU Library General Public |
| License as published by the Free Software Foundation; either |
| version 2 of the License, or (at your option) any later version. |
| |
| This library is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| Library General Public License for more details. |
| |
| You should have received a copy of the GNU Library General Public License |
| along with this library; see the file COPYING.LIB. If not, write to |
| the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
| Boston, MA 02110-1301, USA. |
| */ |
| |
| #include "config.h" |
| |
| #include "core/rendering/style/SVGRenderStyle.h" |
| |
| namespace blink { |
| |
| SVGRenderStyle::SVGRenderStyle() |
| { |
| static SVGRenderStyle* defaultStyle = new SVGRenderStyle(CreateDefault); |
| |
| fill = defaultStyle->fill; |
| stroke = defaultStyle->stroke; |
| stops = defaultStyle->stops; |
| misc = defaultStyle->misc; |
| inheritedResources = defaultStyle->inheritedResources; |
| resources = defaultStyle->resources; |
| |
| setBitDefaults(); |
| } |
| |
| SVGRenderStyle::SVGRenderStyle(CreateDefaultType) |
| { |
| setBitDefaults(); |
| |
| fill.init(); |
| stroke.init(); |
| stops.init(); |
| misc.init(); |
| inheritedResources.init(); |
| resources.init(); |
| } |
| |
| SVGRenderStyle::SVGRenderStyle(const SVGRenderStyle& other) |
| : RefCounted<SVGRenderStyle>() |
| { |
| fill = other.fill; |
| stroke = other.stroke; |
| stops = other.stops; |
| misc = other.misc; |
| inheritedResources = other.inheritedResources; |
| resources = other.resources; |
| |
| svg_inherited_flags = other.svg_inherited_flags; |
| svg_noninherited_flags = other.svg_noninherited_flags; |
| } |
| |
| SVGRenderStyle::~SVGRenderStyle() |
| { |
| } |
| |
| bool SVGRenderStyle::operator==(const SVGRenderStyle& other) const |
| { |
| return fill == other.fill |
| && stroke == other.stroke |
| && stops == other.stops |
| && misc == other.misc |
| && inheritedResources == other.inheritedResources |
| && resources == other.resources |
| && svg_inherited_flags == other.svg_inherited_flags |
| && svg_noninherited_flags == other.svg_noninherited_flags; |
| } |
| |
| bool SVGRenderStyle::inheritedNotEqual(const SVGRenderStyle* other) const |
| { |
| return fill != other->fill |
| || stroke != other->stroke |
| || inheritedResources != other->inheritedResources |
| || svg_inherited_flags != other->svg_inherited_flags; |
| } |
| |
| void SVGRenderStyle::inheritFrom(const SVGRenderStyle* svgInheritParent) |
| { |
| if (!svgInheritParent) |
| return; |
| |
| fill = svgInheritParent->fill; |
| stroke = svgInheritParent->stroke; |
| inheritedResources = svgInheritParent->inheritedResources; |
| |
| svg_inherited_flags = svgInheritParent->svg_inherited_flags; |
| } |
| |
| void SVGRenderStyle::copyNonInheritedFrom(const SVGRenderStyle* other) |
| { |
| svg_noninherited_flags = other->svg_noninherited_flags; |
| stops = other->stops; |
| misc = other->misc; |
| resources = other->resources; |
| } |
| |
| StyleDifference SVGRenderStyle::diff(const SVGRenderStyle* other) const |
| { |
| StyleDifference styleDifference; |
| |
| if (diffNeedsLayoutAndPaintInvalidation(other)) { |
| styleDifference.setNeedsFullLayout(); |
| styleDifference.setNeedsPaintInvalidationObject(); |
| } else if (diffNeedsPaintInvalidation(other)) { |
| styleDifference.setNeedsPaintInvalidationObject(); |
| } |
| |
| return styleDifference; |
| } |
| |
| bool SVGRenderStyle::diffNeedsLayoutAndPaintInvalidation(const SVGRenderStyle* other) const |
| { |
| // If resources change, we need a relayout, as the presence of resources influences the paint invalidation rect. |
| if (resources != other->resources) |
| return true; |
| |
| // If markers change, we need a relayout, as marker boundaries are cached in RenderSVGPath. |
| if (inheritedResources != other->inheritedResources) |
| return true; |
| |
| // All text related properties influence layout. |
| if (svg_inherited_flags._textAnchor != other->svg_inherited_flags._textAnchor |
| || svg_inherited_flags._writingMode != other->svg_inherited_flags._writingMode |
| || svg_inherited_flags._glyphOrientationHorizontal != other->svg_inherited_flags._glyphOrientationHorizontal |
| || svg_inherited_flags._glyphOrientationVertical != other->svg_inherited_flags._glyphOrientationVertical |
| || svg_noninherited_flags.f._alignmentBaseline != other->svg_noninherited_flags.f._alignmentBaseline |
| || svg_noninherited_flags.f._dominantBaseline != other->svg_noninherited_flags.f._dominantBaseline |
| || svg_noninherited_flags.f._baselineShift != other->svg_noninherited_flags.f._baselineShift) |
| return true; |
| |
| // Text related properties influence layout. |
| if (misc->baselineShiftValue != other->misc->baselineShiftValue) |
| return true; |
| |
| // These properties affect the cached stroke bounding box rects. |
| if (svg_inherited_flags._capStyle != other->svg_inherited_flags._capStyle |
| || svg_inherited_flags._joinStyle != other->svg_inherited_flags._joinStyle) |
| return true; |
| |
| // vector-effect changes require a re-layout. |
| if (svg_noninherited_flags.f._vectorEffect != other->svg_noninherited_flags.f._vectorEffect) |
| return true; |
| |
| // Some stroke properties, requires relayouts, as the cached stroke boundaries need to be recalculated. |
| if (stroke.get() != other->stroke.get()) { |
| if (stroke->width != other->stroke->width |
| || stroke->paintType != other->stroke->paintType |
| || stroke->paintColor != other->stroke->paintColor |
| || stroke->paintUri != other->stroke->paintUri |
| || stroke->miterLimit != other->stroke->miterLimit |
| || stroke->dashArray != other->stroke->dashArray |
| || stroke->dashOffset != other->stroke->dashOffset |
| || stroke->visitedLinkPaintColor != other->stroke->visitedLinkPaintColor |
| || stroke->visitedLinkPaintUri != other->stroke->visitedLinkPaintUri |
| || stroke->visitedLinkPaintType != other->stroke->visitedLinkPaintType) |
| return true; |
| } |
| |
| return false; |
| } |
| |
| bool SVGRenderStyle::diffNeedsPaintInvalidation(const SVGRenderStyle* other) const |
| { |
| if (stroke->opacity != other->stroke->opacity) |
| return true; |
| |
| // Painting related properties only need paint invalidation. |
| if (misc.get() != other->misc.get()) { |
| if (misc->floodColor != other->misc->floodColor |
| || misc->floodOpacity != other->misc->floodOpacity |
| || misc->lightingColor != other->misc->lightingColor) |
| return true; |
| } |
| |
| // If fill changes, we just need to issue paint invalidations. Fill boundaries are not influenced by this, only by the Path, that RenderSVGPath contains. |
| if (fill.get() != other->fill.get()) { |
| if (fill->paintType != other->fill->paintType |
| || fill->paintColor != other->fill->paintColor |
| || fill->paintUri != other->fill->paintUri |
| || fill->opacity != other->fill->opacity) |
| return true; |
| } |
| |
| // If gradient stops change, we just need to issue paint invalidations. Style updates are already handled through RenderSVGGradientSTop. |
| if (stops != other->stops) |
| return true; |
| |
| // Changes of these flags only cause paint invalidations. |
| if (svg_inherited_flags._colorRendering != other->svg_inherited_flags._colorRendering |
| || svg_inherited_flags._shapeRendering != other->svg_inherited_flags._shapeRendering |
| || svg_inherited_flags._clipRule != other->svg_inherited_flags._clipRule |
| || svg_inherited_flags._fillRule != other->svg_inherited_flags._fillRule |
| || svg_inherited_flags._colorInterpolation != other->svg_inherited_flags._colorInterpolation |
| || svg_inherited_flags._colorInterpolationFilters != other->svg_inherited_flags._colorInterpolationFilters |
| || svg_inherited_flags._paintOrder != other->svg_inherited_flags._paintOrder) |
| return true; |
| |
| if (svg_noninherited_flags.f.bufferedRendering != other->svg_noninherited_flags.f.bufferedRendering) |
| return true; |
| |
| if (svg_noninherited_flags.f.maskType != other->svg_noninherited_flags.f.maskType) |
| return true; |
| |
| return false; |
| } |
| |
| EPaintOrderType SVGRenderStyle::paintOrderType(unsigned index) const |
| { |
| ASSERT(index < ((1 << kPaintOrderBitwidth)-1)); |
| unsigned pt = (paintOrder() >> (kPaintOrderBitwidth*index)) & ((1u << kPaintOrderBitwidth) - 1); |
| return (EPaintOrderType)pt; |
| } |
| |
| } |