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/*
* Copyright (C) 2006, 2007, 2008 Nikolas Zimmermann <zimmermann@kde.org>
* Copyright (C) 2009 Jeff Schiller <codedread@gmail.com>
*
* 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 "JSSVGMatrix.h"
#include "AffineTransform.h"
#include "SVGException.h"
#include <runtime/Error.h>
using namespace JSC;
namespace WebCore {
JSValue JSSVGMatrix::multiply(ExecState* exec)
{
if (exec->argumentCount() < 1)
return throwError(exec, createSyntaxError(exec, "Not enough arguments"));
if (!exec->argument(0).inherits(&JSSVGMatrix::s_info))
return throwError(exec, createTypeError(exec, "secondMatrix argument was not a SVGMatrix"));
JSSVGMatrix* matrixObj = static_cast<JSSVGMatrix*>(asObject(exec->argument(0)));
AffineTransform m1(*impl());
AffineTransform m2(*(matrixObj->impl()));
SVGElement* context = JSSVGContextCache::svgContextForDOMObject(this);
return toJS(exec, globalObject(), JSSVGStaticPODTypeWrapper<AffineTransform>::create(m1.multLeft(m2)).get(), context);
}
JSValue JSSVGMatrix::inverse(ExecState* exec)
{
AffineTransform imp(*impl());
SVGElement* context = JSSVGContextCache::svgContextForDOMObject(this);
JSValue result = toJS(exec, globalObject(), JSSVGStaticPODTypeWrapper<AffineTransform>::create(imp.inverse()).get(), context);
if (!imp.isInvertible())
setDOMException(exec, SVGException::SVG_MATRIX_NOT_INVERTABLE);
return result;
}
JSValue JSSVGMatrix::rotateFromVector(ExecState* exec)
{
AffineTransform imp(*impl());
float x = exec->argument(0).toFloat(exec);
float y = exec->argument(1).toFloat(exec);
SVGElement* context = JSSVGContextCache::svgContextForDOMObject(this);
JSValue result = toJS(exec, globalObject(), JSSVGStaticPODTypeWrapper<AffineTransform>::create(imp.rotateFromVector(x, y)).get(), context);
if (x == 0.0 || y == 0.0)
setDOMException(exec, SVGException::SVG_INVALID_VALUE_ERR);
return result;
}
}
#endif // ENABLE(SVG)
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