JSSVGMatrixCustom.cpp [plain text]
#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, const ArgList& args)
{
if (args.size() < 1)
return throwError(exec, SyntaxError, "Not enough arguments");
if (!args.at(0).inherits(&JSSVGMatrix::s_info))
return throwError(exec, TypeError, "secondMatrix argument was not a SVGMatrix");
JSSVGMatrix* matrixObj = static_cast<JSSVGMatrix*>(asObject(args.at(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, const ArgList&)
{
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, const ArgList& args)
{
AffineTransform imp(*impl());
float x = args.at(0).toFloat(exec);
float y = args.at(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)