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/*
* Copyright (C) 2004, 2005, 2006, 2008 Nikolas Zimmermann <zimmermann@kde.org>
* Copyright (C) 2004, 2005, 2006, 2008 Rob Buis <buis@kde.org>
*
* 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.
*/
#ifndef SVGPathData_h
#define SVGPathData_h
#include "platform/geometry/FloatPoint.h"
#include "wtf/Allocator.h"
namespace blink {
enum SVGPathSegType {
PathSegUnknown = 0,
PathSegClosePath = 1,
PathSegMoveToAbs = 2,
PathSegMoveToRel = 3,
PathSegLineToAbs = 4,
PathSegLineToRel = 5,
PathSegCurveToCubicAbs = 6,
PathSegCurveToCubicRel = 7,
PathSegCurveToQuadraticAbs = 8,
PathSegCurveToQuadraticRel = 9,
PathSegArcAbs = 10,
PathSegArcRel = 11,
PathSegLineToHorizontalAbs = 12,
PathSegLineToHorizontalRel = 13,
PathSegLineToVerticalAbs = 14,
PathSegLineToVerticalRel = 15,
PathSegCurveToCubicSmoothAbs = 16,
PathSegCurveToCubicSmoothRel = 17,
PathSegCurveToQuadraticSmoothAbs = 18,
PathSegCurveToQuadraticSmoothRel = 19
};
static inline SVGPathSegType toAbsolutePathSegType(const SVGPathSegType type) {
// Clear the LSB to get the absolute command.
return type >= PathSegMoveToAbs ? static_cast<SVGPathSegType>(type & ~1u)
: type;
}
static inline bool isAbsolutePathSegType(const SVGPathSegType type) {
// For commands with an ordinal >= PathSegMoveToAbs, and odd number =>
// relative command.
return type < PathSegMoveToAbs || type % 2 == 0;
}
struct PathSegmentData {
STACK_ALLOCATED();
PathSegmentData()
: command(PathSegUnknown), arcSweep(false), arcLarge(false) {}
const FloatPoint& arcRadii() const { return point1; }
FloatPoint& arcRadii() { return point1; }
float arcAngle() const { return point2.x(); }
void setArcAngle(float angle) { point2.setX(angle); }
float r1() const { return arcRadii().x(); }
float r2() const { return arcRadii().y(); }
bool largeArcFlag() const { return arcLarge; }
bool sweepFlag() const { return arcSweep; }
float x() const { return targetPoint.x(); }
float y() const { return targetPoint.y(); }
float x1() const { return point1.x(); }
float y1() const { return point1.y(); }
float x2() const { return point2.x(); }
float y2() const { return point2.y(); }
SVGPathSegType command;
FloatPoint targetPoint;
FloatPoint point1;
FloatPoint point2;
bool arcSweep;
bool arcLarge;
};
} // namespace blink
#endif // SVGPathData_h
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