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-rw-r--r--WebCore/svg/SVGPathSegList.cpp190
1 files changed, 1 insertions, 189 deletions
diff --git a/WebCore/svg/SVGPathSegList.cpp b/WebCore/svg/SVGPathSegList.cpp
index b445d3e..3b86f55 100644
--- a/WebCore/svg/SVGPathSegList.cpp
+++ b/WebCore/svg/SVGPathSegList.cpp
@@ -2,6 +2,7 @@
* Copyright (C) 2004, 2005, 2006, 2007, 2008 Nikolas Zimmermann <zimmermann@kde.org>
* Copyright (C) 2004, 2005 Rob Buis <buis@kde.org>
* Copyright (C) 2007 Eric Seidel <eric@webkit.org>
+ * Copyright (C) Research In Motion Limited 2010. All rights reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
@@ -24,22 +25,6 @@
#if ENABLE(SVG)
#include "SVGPathSegList.h"
-#include "FloatConversion.h"
-#include "FloatPoint.h"
-#include "FloatSize.h"
-#include "Path.h"
-#include "PathTraversalState.h"
-#include "SVGPathSegArc.h"
-#include "SVGPathSegClosePath.h"
-#include "SVGPathSegMoveto.h"
-#include "SVGPathSegLineto.h"
-#include "SVGPathSegLinetoHorizontal.h"
-#include "SVGPathSegLinetoVertical.h"
-#include "SVGPathSegCurvetoCubic.h"
-#include "SVGPathSegCurvetoCubicSmooth.h"
-#include "SVGPathSegCurvetoQuadratic.h"
-#include "SVGPathSegCurvetoQuadraticSmooth.h"
-
namespace WebCore {
SVGPathSegList::SVGPathSegList(const QualifiedName& attributeName)
@@ -51,179 +36,6 @@ SVGPathSegList::~SVGPathSegList()
{
}
-unsigned SVGPathSegList::getPathSegAtLength(double length, ExceptionCode& ec)
-{
- // FIXME : to be useful this will need to support non-normalized SVGPathSegLists
- int len = numberOfItems();
- // FIXME: Eventually this will likely move to a "path applier"-like model, until then PathTraversalState is less useful as we could just use locals
- PathTraversalState traversalState(PathTraversalState::TraversalSegmentAtLength);
- traversalState.m_desiredLength = narrowPrecisionToFloat(length);
- for (int i = 0; i < len; ++i) {
- SVGPathSeg* segment = getItem(i, ec).get();
- if (ec)
- return 0;
- float segmentLength = 0;
- switch (segment->pathSegType()) {
- case PathSegMoveToAbs:
- {
- SVGPathSegMovetoAbs* moveTo = static_cast<SVGPathSegMovetoAbs*>(segment);
- segmentLength = traversalState.moveTo(FloatPoint(moveTo->x(), moveTo->y()));
- break;
- }
- case PathSegLineToAbs:
- {
- SVGPathSegLinetoAbs* lineTo = static_cast<SVGPathSegLinetoAbs*>(segment);
- segmentLength = traversalState.lineTo(FloatPoint(lineTo->x(), lineTo->y()));
- break;
- }
- case PathSegCurveToCubicAbs:
- {
- SVGPathSegCurvetoCubicAbs* curveTo = static_cast<SVGPathSegCurvetoCubicAbs*>(segment);
- segmentLength = traversalState.cubicBezierTo(FloatPoint(curveTo->x1(), curveTo->y1()),
- FloatPoint(curveTo->x2(), curveTo->y2()),
- FloatPoint(curveTo->x(), curveTo->y()));
- break;
- }
- case PathSegClosePath:
- segmentLength = traversalState.closeSubpath();
- break;
- default:
- ASSERT(false); // FIXME: This only works with normalized/processed path data.
- break;
- }
- traversalState.m_totalLength += segmentLength;
- if ((traversalState.m_action == PathTraversalState::TraversalSegmentAtLength)
- && (traversalState.m_totalLength >= traversalState.m_desiredLength)) {
- return traversalState.m_segmentIndex;
- }
- traversalState.m_segmentIndex++;
- }
-
- // The SVG spec is unclear as to what to return when the distance is not on the path.
- // WebKit/Opera/FF all return the last path segment if the distance exceeds the actual path length:
- return traversalState.m_segmentIndex ? traversalState.m_segmentIndex - 1 : 0;
-}
-
-float adjustAnimatedValue(float from, float to, float progress)
-{
- return (to - from) * progress + from;
-}
-
-#define BLENDPATHSEG1(class, attr1) \
- class::create(adjustAnimatedValue(static_cast<class*>(from)->attr1(), static_cast<class*>(to)->attr1(), progress))
-
-#define BLENDPATHSEG2(class, attr1, attr2) \
- class::create(adjustAnimatedValue(static_cast<class*>(from)->attr1(), static_cast<class*>(to)->attr1(), progress), \
- adjustAnimatedValue(static_cast<class*>(from)->attr2(), static_cast<class*>(to)->attr2(), progress))
-
-#define BLENDPATHSEG4(class, attr1, attr2, attr3, attr4) \
- class::create(adjustAnimatedValue(static_cast<class*>(from)->attr1(), static_cast<class*>(to)->attr1(), progress), \
- adjustAnimatedValue(static_cast<class*>(from)->attr2(), static_cast<class*>(to)->attr2(), progress), \
- adjustAnimatedValue(static_cast<class*>(from)->attr3(), static_cast<class*>(to)->attr3(), progress), \
- adjustAnimatedValue(static_cast<class*>(from)->attr4(), static_cast<class*>(to)->attr4(), progress))
-
-#define BLENDPATHSEG6(class, attr1, attr2, attr3, attr4, attr5, attr6) \
- class::create(adjustAnimatedValue(static_cast<class*>(from)->attr1(), static_cast<class*>(to)->attr1(), progress), \
- adjustAnimatedValue(static_cast<class*>(from)->attr2(), static_cast<class*>(to)->attr2(), progress), \
- adjustAnimatedValue(static_cast<class*>(from)->attr3(), static_cast<class*>(to)->attr3(), progress), \
- adjustAnimatedValue(static_cast<class*>(from)->attr4(), static_cast<class*>(to)->attr4(), progress), \
- adjustAnimatedValue(static_cast<class*>(from)->attr5(), static_cast<class*>(to)->attr5(), progress), \
- adjustAnimatedValue(static_cast<class*>(from)->attr6(), static_cast<class*>(to)->attr6(), progress))
-
-#define BLENDPATHSEG7(class, attr1, attr2, attr3, attr4, attr5, bool1, bool2) \
- class::create(adjustAnimatedValue(static_cast<class*>(from)->attr1(), static_cast<class*>(to)->attr1(), progress), \
- adjustAnimatedValue(static_cast<class*>(from)->attr2(), static_cast<class*>(to)->attr2(), progress), \
- adjustAnimatedValue(static_cast<class*>(from)->attr3(), static_cast<class*>(to)->attr3(), progress), \
- adjustAnimatedValue(static_cast<class*>(from)->attr4(), static_cast<class*>(to)->attr4(), progress), \
- adjustAnimatedValue(static_cast<class*>(from)->attr5(), static_cast<class*>(to)->attr5(), progress), \
- static_cast<bool>(adjustAnimatedValue(static_cast<class*>(from)->bool1(), static_cast<class*>(to)->bool1(), progress)), \
- static_cast<bool>(adjustAnimatedValue(static_cast<class*>(from)->bool2(), static_cast<class*>(to)->bool2(), progress)))
-
-PassRefPtr<SVGPathSegList> SVGPathSegList::createAnimated(const SVGPathSegList* fromList, const SVGPathSegList* toList, float progress)
-{
- unsigned itemCount = fromList->numberOfItems();
- if (!itemCount || itemCount != toList->numberOfItems())
- return 0;
- RefPtr<SVGPathSegList> result = create(fromList->associatedAttributeName());
- ExceptionCode ec = 0;
- for (unsigned n = 0; n < itemCount; ++n) {
- SVGPathSeg* from = fromList->getItem(n, ec).get();
- if (ec)
- return 0;
- SVGPathSeg* to = toList->getItem(n, ec).get();
- if (ec)
- return 0;
- if (from->pathSegType() == PathSegUnknown || from->pathSegType() != to->pathSegType())
- return 0;
- RefPtr<SVGPathSeg> segment = 0;
- switch (static_cast<SVGPathSegType>(from->pathSegType())) {
- case PathSegClosePath:
- segment = SVGPathSegClosePath::create();
- break;
- case PathSegLineToHorizontalAbs:
- segment = BLENDPATHSEG1(SVGPathSegLinetoHorizontalAbs, x);
- break;
- case PathSegLineToHorizontalRel:
- segment = BLENDPATHSEG1(SVGPathSegLinetoHorizontalRel, x);
- break;
- case PathSegLineToVerticalAbs:
- segment = BLENDPATHSEG1(SVGPathSegLinetoVerticalAbs, y);
- break;
- case PathSegLineToVerticalRel:
- segment = BLENDPATHSEG1(SVGPathSegLinetoVerticalRel, y);
- break;
- case PathSegMoveToAbs:
- segment = BLENDPATHSEG2(SVGPathSegMovetoAbs, x, y);
- break;
- case PathSegMoveToRel:
- segment = BLENDPATHSEG2(SVGPathSegMovetoRel, x, y);
- break;
- case PathSegLineToAbs:
- segment = BLENDPATHSEG2(SVGPathSegLinetoAbs, x, y);
- break;
- case PathSegLineToRel:
- segment = BLENDPATHSEG2(SVGPathSegLinetoRel, x, y);
- break;
- case PathSegCurveToCubicAbs:
- segment = BLENDPATHSEG6(SVGPathSegCurvetoCubicAbs, x, y, x1, y1, x2, y2);
- break;
- case PathSegCurveToCubicRel:
- segment = BLENDPATHSEG6(SVGPathSegCurvetoCubicRel, x, y, x1, y1, x2, y2);
- break;
- case PathSegCurveToCubicSmoothAbs:
- segment = BLENDPATHSEG4(SVGPathSegCurvetoCubicSmoothAbs, x, y, x2, y2);
- break;
- case PathSegCurveToCubicSmoothRel:
- segment = BLENDPATHSEG4(SVGPathSegCurvetoCubicSmoothRel, x, y, x2, y2);
- break;
- case PathSegCurveToQuadraticAbs:
- segment = BLENDPATHSEG4(SVGPathSegCurvetoQuadraticAbs, x, y, x1, y1);
- break;
- case PathSegCurveToQuadraticRel:
- segment = BLENDPATHSEG4(SVGPathSegCurvetoQuadraticRel, x, y, x1, y1);
- break;
- case PathSegCurveToQuadraticSmoothAbs:
- segment = BLENDPATHSEG2(SVGPathSegCurvetoQuadraticSmoothAbs, x, y);
- break;
- case PathSegCurveToQuadraticSmoothRel:
- segment = BLENDPATHSEG2(SVGPathSegCurvetoQuadraticSmoothRel, x, y);
- break;
- case PathSegArcAbs:
- segment = BLENDPATHSEG7(SVGPathSegArcAbs, x, y, r1, r2, angle, largeArcFlag, sweepFlag);
- break;
- case PathSegArcRel:
- segment = BLENDPATHSEG7(SVGPathSegArcRel, x, y, r1, r2, angle, largeArcFlag, sweepFlag);
- break;
- case PathSegUnknown:
- ASSERT_NOT_REACHED();
- }
- result->appendItem(segment, ec);
- if (ec)
- return 0;
- }
- return result.release();
-}
-
}
#endif // ENABLE(SVG)
generated by cgit v1.1 at 2025-06-07 21:02:11 +0000