1 /* 2 * Copyright (C) 2006, 2007, 2008 Nikolas Zimmermann <zimmermann (at) kde.org> 3 * Copyright (C) 2009 Jeff Schiller <codedread (at) gmail.com> 4 * 5 * This library is free software; you can redistribute it and/or 6 * modify it under the terms of the GNU Library General Public 7 * License as published by the Free Software Foundation; either 8 * version 2 of the License, or (at your option) any later version. 9 * 10 * This library is distributed in the hope that it will be useful, 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 13 * Library General Public License for more details. 14 * 15 * You should have received a copy of the GNU Library General Public License 16 * along with this library; see the file COPYING.LIB. If not, write to 17 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 18 * Boston, MA 02110-1301, USA. 19 */ 20 21 #include "config.h" 22 23 #if ENABLE(SVG) 24 #include "JSSVGMatrix.h" 25 26 #include "AffineTransform.h" 27 #include "SVGException.h" 28 #include <runtime/Error.h> 29 30 using namespace JSC; 31 32 namespace WebCore { 33 34 JSValue JSSVGMatrix::multiply(ExecState* exec, const ArgList& args) 35 { 36 if (args.size() < 1) 37 return throwError(exec, SyntaxError, "Not enough arguments"); 38 39 if (!args.at(0).inherits(&JSSVGMatrix::s_info)) 40 return throwError(exec, TypeError, "secondMatrix argument was not a SVGMatrix"); 41 42 JSSVGMatrix* matrixObj = static_cast<JSSVGMatrix*>(asObject(args.at(0))); 43 44 AffineTransform m1(*impl()); 45 AffineTransform m2(*(matrixObj->impl())); 46 47 SVGElement* context = JSSVGContextCache::svgContextForDOMObject(this); 48 return toJS(exec, globalObject(), JSSVGStaticPODTypeWrapper<AffineTransform>::create(m1.multLeft(m2)).get(), context); 49 } 50 51 JSValue JSSVGMatrix::inverse(ExecState* exec, const ArgList&) 52 { 53 AffineTransform imp(*impl()); 54 55 SVGElement* context = JSSVGContextCache::svgContextForDOMObject(this); 56 JSValue result = toJS(exec, globalObject(), JSSVGStaticPODTypeWrapper<AffineTransform>::create(imp.inverse()).get(), context); 57 58 if (!imp.isInvertible()) 59 setDOMException(exec, SVGException::SVG_MATRIX_NOT_INVERTABLE); 60 61 return result; 62 } 63 64 JSValue JSSVGMatrix::rotateFromVector(ExecState* exec, const ArgList& args) 65 { 66 AffineTransform imp(*impl()); 67 68 float x = args.at(0).toFloat(exec); 69 float y = args.at(1).toFloat(exec); 70 71 SVGElement* context = JSSVGContextCache::svgContextForDOMObject(this); 72 JSValue result = toJS(exec, globalObject(), JSSVGStaticPODTypeWrapper<AffineTransform>::create(imp.rotateFromVector(x, y)).get(), context); 73 74 if (x == 0.0 || y == 0.0) 75 setDOMException(exec, SVGException::SVG_INVALID_VALUE_ERR); 76 77 return result; 78 } 79 80 } 81 82 #endif // ENABLE(SVG) 83
