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authorThe Android Open Source Project <initial-contribution@android.com>2009-03-03 19:30:52 -0800
committerThe Android Open Source Project <initial-contribution@android.com>2009-03-03 19:30:52 -0800
commit8e35f3cfc7fba1d1c829dc557ebad6409cbe16a2 (patch)
tree11425ea0b299d6fb89c6d3618a22d97d5bf68d0f /WebCore/svg/SVGTransform.cpp
parent648161bb0edfc3d43db63caed5cc5213bc6cb78f (diff)
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auto import from //depot/cupcake/@135843
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diff --git a/WebCore/svg/SVGTransform.cpp b/WebCore/svg/SVGTransform.cpp
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+/*
+ Copyright (C) 2004, 2005 Nikolas Zimmermann <wildfox@kde.org>
+ 2004, 2005 Rob Buis <buis@kde.org>
+
+ This file is part of the KDE project
+
+ 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"
+#if ENABLE(SVG)
+
+#include "FloatPoint.h"
+#include "FloatSize.h"
+#include "SVGAngle.h"
+#include "SVGSVGElement.h"
+#include "SVGTransform.h"
+
+#include <math.h>
+
+using namespace WebCore;
+
+SVGTransform::SVGTransform()
+ : m_type(SVG_TRANSFORM_UNKNOWN)
+ , m_angle(0)
+{
+}
+
+SVGTransform::SVGTransform(SVGTransformType type)
+ : m_type(type)
+ , m_angle(0)
+ , m_center(FloatPoint())
+ , m_matrix(AffineTransform())
+{
+}
+
+SVGTransform::SVGTransform(const AffineTransform& matrix)
+ : m_type(SVG_TRANSFORM_MATRIX)
+ , m_angle(0)
+ , m_matrix(matrix)
+{
+}
+
+SVGTransform::~SVGTransform()
+{
+}
+
+bool SVGTransform::isValid()
+{
+ return (m_type != SVG_TRANSFORM_UNKNOWN);
+}
+
+SVGTransform::SVGTransformType SVGTransform::type() const
+{
+ return m_type;
+}
+
+AffineTransform SVGTransform::matrix() const
+{
+ return m_matrix;
+}
+
+float SVGTransform::angle() const
+{
+ return m_angle;
+}
+
+FloatPoint SVGTransform::rotationCenter() const
+{
+ return m_center;
+}
+
+void SVGTransform::setMatrix(AffineTransform matrix) //const AffineTransform& matrix)
+{
+ m_type = SVG_TRANSFORM_MATRIX;
+ m_angle = 0;
+
+ m_matrix = matrix;
+}
+
+void SVGTransform::setTranslate(float tx, float ty)
+{
+ m_type = SVG_TRANSFORM_TRANSLATE;
+ m_angle = 0;
+
+ m_matrix.reset();
+ m_matrix.translate(tx, ty);
+}
+
+FloatPoint SVGTransform::translate() const
+{
+ return FloatPoint::narrowPrecision(m_matrix.e(), m_matrix.f());
+}
+
+void SVGTransform::setScale(float sx, float sy)
+{
+ m_type = SVG_TRANSFORM_SCALE;
+ m_angle = 0;
+ m_center = FloatPoint();
+
+ m_matrix.reset();
+ m_matrix.scale(sx, sy);
+}
+
+FloatSize SVGTransform::scale() const
+{
+ return FloatSize::narrowPrecision(m_matrix.a(), m_matrix.d());
+}
+
+void SVGTransform::setRotate(float angle, float cx, float cy)
+{
+ m_type = SVG_TRANSFORM_ROTATE;
+ m_angle = angle;
+ m_center = FloatPoint(cx, cy);
+
+ // TODO: toString() implementation, which can show cx, cy (need to be stored?)
+ m_matrix.reset();
+ m_matrix.translate(cx, cy);
+ m_matrix.rotate(angle);
+ m_matrix.translate(-cx, -cy);
+}
+
+void SVGTransform::setSkewX(float angle)
+{
+ m_type = SVG_TRANSFORM_SKEWX;
+ m_angle = angle;
+
+ m_matrix.reset();
+ m_matrix.skewX(angle);
+}
+
+void SVGTransform::setSkewY(float angle)
+{
+ m_type = SVG_TRANSFORM_SKEWY;
+ m_angle = angle;
+
+ m_matrix.reset();
+ m_matrix.skewY(angle);
+}
+
+// vim:ts=4:noet
+#endif // ENABLE(SVG)
+