mirror of
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157 lines
3.3 KiB
C++
157 lines
3.3 KiB
C++
/*
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Copyright (C) 2004, 2005 Nikolas Zimmermann <wildfox@kde.org>
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2004, 2005 Rob Buis <buis@kde.org>
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This file is part of the KDE project
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public License
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along with this library; see the file COPYING.LIB. If not, write to
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the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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Boston, MA 02110-1301, USA.
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*/
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#include "config.h"
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#include "wtf/Platform.h"
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#if ENABLE(SVG)
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#include "FloatPoint.h"
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#include "FloatSize.h"
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#include "SVGAngle.h"
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#include "SVGSVGElement.h"
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#include "SVGTransform.h"
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#include <math.h>
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using namespace WebCore;
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SVGTransform::SVGTransform()
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: m_type(SVG_TRANSFORM_UNKNOWN)
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, m_angle(0)
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{
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}
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SVGTransform::SVGTransform(SVGTransformType type)
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: m_type(type)
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, m_angle(0)
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, m_center(FloatPoint())
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, m_matrix(AffineTransform())
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{
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}
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SVGTransform::SVGTransform(const AffineTransform& matrix)
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: m_type(SVG_TRANSFORM_MATRIX)
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, m_angle(0)
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, m_matrix(matrix)
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{
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}
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SVGTransform::~SVGTransform()
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{
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}
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bool SVGTransform::isValid()
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{
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return (m_type != SVG_TRANSFORM_UNKNOWN);
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}
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SVGTransform::SVGTransformType SVGTransform::type() const
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{
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return m_type;
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}
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AffineTransform SVGTransform::matrix() const
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{
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return m_matrix;
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}
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float SVGTransform::angle() const
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{
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return m_angle;
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}
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FloatPoint SVGTransform::rotationCenter() const
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{
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return m_center;
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}
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void SVGTransform::setMatrix(const AffineTransform& matrix)
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{
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m_type = SVG_TRANSFORM_MATRIX;
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m_angle = 0;
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m_matrix = matrix;
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}
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void SVGTransform::setTranslate(float tx, float ty)
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{
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m_type = SVG_TRANSFORM_TRANSLATE;
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m_angle = 0;
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m_matrix.reset();
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m_matrix.translate(tx, ty);
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}
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FloatPoint SVGTransform::translate() const
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{
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return FloatPoint::narrowPrecision(m_matrix.e(), m_matrix.f());
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}
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void SVGTransform::setScale(float sx, float sy)
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{
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m_type = SVG_TRANSFORM_SCALE;
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m_angle = 0;
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m_center = FloatPoint();
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m_matrix.reset();
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m_matrix.scale(sx, sy);
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}
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FloatSize SVGTransform::scale() const
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{
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return FloatSize::narrowPrecision(m_matrix.a(), m_matrix.d());
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}
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void SVGTransform::setRotate(float angle, float cx, float cy)
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{
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m_type = SVG_TRANSFORM_ROTATE;
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m_angle = angle;
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m_center = FloatPoint(cx, cy);
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// TODO: toString() implementation, which can show cx, cy (need to be stored?)
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m_matrix.reset();
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m_matrix.translate(cx, cy);
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m_matrix.rotate(angle);
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m_matrix.translate(-cx, -cy);
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}
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void SVGTransform::setSkewX(float angle)
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{
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m_type = SVG_TRANSFORM_SKEWX;
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m_angle = angle;
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m_matrix.reset();
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m_matrix.skewX(angle);
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}
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void SVGTransform::setSkewY(float angle)
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{
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m_type = SVG_TRANSFORM_SKEWY;
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m_angle = angle;
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m_matrix.reset();
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m_matrix.skewY(angle);
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}
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// vim:ts=4:noet
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#endif // ENABLE(SVG)
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