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-rw-r--r--src/3rdparty/webkit/WebCore/svg/graphics/SVGPaintServer.cpp183
1 files changed, 183 insertions, 0 deletions
diff --git a/src/3rdparty/webkit/WebCore/svg/graphics/SVGPaintServer.cpp b/src/3rdparty/webkit/WebCore/svg/graphics/SVGPaintServer.cpp
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+++ b/src/3rdparty/webkit/WebCore/svg/graphics/SVGPaintServer.cpp
@@ -0,0 +1,183 @@
+/*
+ * Copyright (C) 2006 Nikolas Zimmermann <zimmermann@kde.org>
+ * 2007 Rob Buis <buis@kde.org>
+ *
+ * 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 COMPUTER, INC. ``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 COMPUTER, INC. OR
+ * 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 ENABLE(SVG)
+#include "SVGPaintServer.h"
+
+#include "GraphicsContext.h"
+#include "RenderObject.h"
+#include "RenderStyle.h"
+#include "SVGPaintServerSolid.h"
+#include "SVGStyledElement.h"
+#include "SVGURIReference.h"
+
+namespace WebCore {
+
+SVGPaintServer::SVGPaintServer()
+{
+}
+
+SVGPaintServer::~SVGPaintServer()
+{
+}
+
+TextStream& operator<<(TextStream& ts, const SVGPaintServer& paintServer)
+{
+ return paintServer.externalRepresentation(ts);
+}
+
+SVGPaintServer* getPaintServerById(Document* document, const AtomicString& id)
+{
+ SVGResource* resource = getResourceById(document, id);
+ if (resource && resource->isPaintServer())
+ return static_cast<SVGPaintServer*>(resource);
+
+ return 0;
+}
+
+SVGPaintServerSolid* SVGPaintServer::sharedSolidPaintServer()
+{
+ static SVGPaintServerSolid* _sharedSolidPaintServer = SVGPaintServerSolid::create().releaseRef();
+
+ return _sharedSolidPaintServer;
+}
+
+SVGPaintServer* SVGPaintServer::fillPaintServer(const RenderStyle* style, const RenderObject* item)
+{
+ if (!style->svgStyle()->hasFill())
+ return 0;
+
+ SVGPaint* fill = style->svgStyle()->fillPaint();
+
+ SVGPaintServer* fillPaintServer = 0;
+ SVGPaint::SVGPaintType paintType = fill->paintType();
+ if (paintType == SVGPaint::SVG_PAINTTYPE_URI ||
+ paintType == SVGPaint::SVG_PAINTTYPE_URI_RGBCOLOR) {
+ AtomicString id(SVGURIReference::getTarget(fill->uri()));
+ fillPaintServer = getPaintServerById(item->document(), id);
+
+ SVGElement* svgElement = static_cast<SVGElement*>(item->element());
+ ASSERT(svgElement && svgElement->document() && svgElement->isStyled());
+
+ if (item->isRenderPath() && fillPaintServer)
+ fillPaintServer->addClient(static_cast<SVGStyledElement*>(svgElement));
+ else if (!fillPaintServer && paintType == SVGPaint::SVG_PAINTTYPE_URI)
+ svgElement->document()->accessSVGExtensions()->addPendingResource(id, static_cast<SVGStyledElement*>(svgElement));
+ }
+ if (paintType != SVGPaint::SVG_PAINTTYPE_URI && !fillPaintServer) {
+ fillPaintServer = sharedSolidPaintServer();
+ SVGPaintServerSolid* fillPaintServerSolid = static_cast<SVGPaintServerSolid*>(fillPaintServer);
+ if (paintType == SVGPaint::SVG_PAINTTYPE_CURRENTCOLOR)
+ fillPaintServerSolid->setColor(style->color());
+ else
+ fillPaintServerSolid->setColor(fill->color());
+ // FIXME: Ideally invalid colors would never get set on the RenderStyle and this could turn into an ASSERT
+ if (!fillPaintServerSolid->color().isValid())
+ fillPaintServer = 0;
+ }
+ if (!fillPaintServer) {
+ // default value (black), see bug 11017
+ fillPaintServer = sharedSolidPaintServer();
+ static_cast<SVGPaintServerSolid*>(fillPaintServer)->setColor(Color::black);
+ }
+ return fillPaintServer;
+}
+
+SVGPaintServer* SVGPaintServer::strokePaintServer(const RenderStyle* style, const RenderObject* item)
+{
+ if (!style->svgStyle()->hasStroke())
+ return 0;
+
+ SVGPaint* stroke = style->svgStyle()->strokePaint();
+
+ SVGPaintServer* strokePaintServer = 0;
+ SVGPaint::SVGPaintType paintType = stroke->paintType();
+ if (paintType == SVGPaint::SVG_PAINTTYPE_URI ||
+ paintType == SVGPaint::SVG_PAINTTYPE_URI_RGBCOLOR) {
+ AtomicString id(SVGURIReference::getTarget(stroke->uri()));
+ strokePaintServer = getPaintServerById(item->document(), id);
+
+ SVGElement* svgElement = static_cast<SVGElement*>(item->element());
+ ASSERT(svgElement && svgElement->document() && svgElement->isStyled());
+
+ if (item->isRenderPath() && strokePaintServer)
+ strokePaintServer->addClient(static_cast<SVGStyledElement*>(svgElement));
+ else if (!strokePaintServer && paintType == SVGPaint::SVG_PAINTTYPE_URI)
+ svgElement->document()->accessSVGExtensions()->addPendingResource(id, static_cast<SVGStyledElement*>(svgElement));
+ }
+ if (paintType != SVGPaint::SVG_PAINTTYPE_URI && !strokePaintServer) {
+ strokePaintServer = sharedSolidPaintServer();
+ SVGPaintServerSolid* strokePaintServerSolid = static_cast<SVGPaintServerSolid*>(strokePaintServer);
+ if (paintType == SVGPaint::SVG_PAINTTYPE_CURRENTCOLOR)
+ strokePaintServerSolid->setColor(style->color());
+ else
+ strokePaintServerSolid->setColor(stroke->color());
+ // FIXME: Ideally invalid colors would never get set on the RenderStyle and this could turn into an ASSERT
+ if (!strokePaintServerSolid->color().isValid())
+ strokePaintServer = 0;
+ }
+
+ return strokePaintServer;
+}
+
+void applyStrokeStyleToContext(GraphicsContext* context, RenderStyle* style, const RenderObject* object)
+{
+ context->setStrokeThickness(SVGRenderStyle::cssPrimitiveToLength(object, style->svgStyle()->strokeWidth(), 1.0f));
+ context->setLineCap(style->svgStyle()->capStyle());
+ context->setLineJoin(style->svgStyle()->joinStyle());
+ if (style->svgStyle()->joinStyle() == MiterJoin)
+ context->setMiterLimit(style->svgStyle()->strokeMiterLimit());
+
+ const DashArray& dashes = dashArrayFromRenderingStyle(object->style());
+ float dashOffset = SVGRenderStyle::cssPrimitiveToLength(object, style->svgStyle()->strokeDashOffset(), 0.0f);
+ context->setLineDash(dashes, dashOffset);
+}
+
+DashArray dashArrayFromRenderingStyle(const RenderStyle* style)
+{
+ DashArray array;
+
+ CSSValueList* dashes = style->svgStyle()->strokeDashArray();
+ if (dashes) {
+ CSSPrimitiveValue* dash = 0;
+ unsigned long len = dashes->length();
+ for (unsigned long i = 0; i < len; i++) {
+ dash = static_cast<CSSPrimitiveValue*>(dashes->itemWithoutBoundsCheck(i));
+ if (!dash)
+ continue;
+
+ array.append((float) dash->computeLengthFloat(const_cast<RenderStyle*>(style)));
+ }
+ }
+
+ return array;
+}
+
+} // namespace WebCore
+
+#endif