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author | The Android Open Source Project <initial-contribution@android.com> | 2009-03-03 19:30:52 -0800 |
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committer | The Android Open Source Project <initial-contribution@android.com> | 2009-03-03 19:30:52 -0800 |
commit | 8e35f3cfc7fba1d1c829dc557ebad6409cbe16a2 (patch) | |
tree | 11425ea0b299d6fb89c6d3618a22d97d5bf68d0f /WebCore/svg/SVGTransform.cpp | |
parent | 648161bb0edfc3d43db63caed5cc5213bc6cb78f (diff) | |
download | external_webkit-8e35f3cfc7fba1d1c829dc557ebad6409cbe16a2.zip external_webkit-8e35f3cfc7fba1d1c829dc557ebad6409cbe16a2.tar.gz external_webkit-8e35f3cfc7fba1d1c829dc557ebad6409cbe16a2.tar.bz2 |
auto import from //depot/cupcake/@135843
Diffstat (limited to 'WebCore/svg/SVGTransform.cpp')
-rw-r--r-- | WebCore/svg/SVGTransform.cpp | 156 |
1 files changed, 156 insertions, 0 deletions
diff --git a/WebCore/svg/SVGTransform.cpp b/WebCore/svg/SVGTransform.cpp new file mode 100644 index 0000000..86477e4 --- /dev/null +++ b/WebCore/svg/SVGTransform.cpp @@ -0,0 +1,156 @@ +/* + 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) + |