15c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)/* 25c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * Copyright (C) Research In Motion Limited 2010. All rights reserved. 35c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * 45c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * This library is free software; you can redistribute it and/or 55c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * modify it under the terms of the GNU Library General Public 65c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * License as published by the Free Software Foundation; either 75c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * version 2 of the License, or (at your option) any later version. 85c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * 95c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * This library is distributed in the hope that it will be useful, 105c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * but WITHOUT ANY WARRANTY; without even the implied warranty of 115c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 125c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * Library General Public License for more details. 135c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * 145c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * You should have received a copy of the GNU Library General Public License 155c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * along with this library; see the file COPYING.LIB. If not, write to 165c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 175c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * Boston, MA 02110-1301, USA. 185c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) */ 195c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 205c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)#ifndef SVGMatrix_h 215c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)#define SVGMatrix_h 225c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 23df95704c49daea886ddad70775bda23618d6274dBen Murdoch#include "bindings/v8/ExceptionState.h" 24591b958dee2cf159d33a0b931e6231072eaf38d5Ben Murdoch#include "core/dom/ExceptionCode.h" 2553e740f4a82e17f3ae59772501622dc354e42336Torne (Richard Coles)#include "core/platform/graphics/transforms/AffineTransform.h" 265c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 275c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)namespace WebCore { 285c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 295c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)// Only used in the bindings. 305c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)class SVGMatrix : public AffineTransform { 315c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)public: 325c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) SVGMatrix() { } 335c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) SVGMatrix(const AffineTransform& other) 345c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) : AffineTransform(other) 355c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) { 365c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) } 375c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 385c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) SVGMatrix(double a, double b, double c, double d, double e, double f) 395c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) : AffineTransform(a, b, c, d, e, f) 405c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) { 415c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) } 425c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 435c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) SVGMatrix translate(double tx, double ty) 445c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) { 455c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) AffineTransform copy = *this; 465c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) copy.translate(tx, ty); 475c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) return static_cast<SVGMatrix>(copy); 485c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) } 495c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 505c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) SVGMatrix scale(double s) 515c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) { 525c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) AffineTransform copy = *this; 535c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) copy.scale(s, s); 545c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) return static_cast<SVGMatrix>(copy); 555c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) } 565c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 575c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) SVGMatrix scaleNonUniform(double sx, double sy) 585c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) { 595c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) AffineTransform copy = *this; 605c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) copy.scale(sx, sy); 615c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) return static_cast<SVGMatrix>(copy); 625c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) } 635c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 645c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) SVGMatrix rotate(double d) 655c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) { 665c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) AffineTransform copy = *this; 675c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) copy.rotate(d); 685c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) return static_cast<SVGMatrix>(copy); 695c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) } 705c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 715c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) SVGMatrix flipX() 725c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) { 735c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) AffineTransform copy = *this; 745c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) copy.flipX(); 755c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) return static_cast<SVGMatrix>(copy); 765c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) } 775c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 785c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) SVGMatrix flipY() 795c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) { 805c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) AffineTransform copy = *this; 815c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) copy.flipY(); 825c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) return static_cast<SVGMatrix>(copy); 835c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) } 845c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 855c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) SVGMatrix skewX(double angle) 865c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) { 875c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) AffineTransform copy = *this; 885c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) copy.skewX(angle); 895c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) return static_cast<SVGMatrix>(copy); 905c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) } 915c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 925c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) SVGMatrix skewY(double angle) 935c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) { 945c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) AffineTransform copy = *this; 955c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) copy.skewY(angle); 965c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) return static_cast<SVGMatrix>(copy); 975c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) } 985c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 995c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) SVGMatrix multiply(const SVGMatrix& other) 1005c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) { 1015c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) AffineTransform copy = *this; 1025c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) copy *= static_cast<const AffineTransform&>(other); 1035c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) return static_cast<SVGMatrix>(copy); 1045c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) } 1055c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 106df95704c49daea886ddad70775bda23618d6274dBen Murdoch SVGMatrix inverse(ExceptionState& es) const 1075c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) { 1085c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) AffineTransform transform = AffineTransform::inverse(); 109591b958dee2cf159d33a0b931e6231072eaf38d5Ben Murdoch if (!isInvertible()) { 110591b958dee2cf159d33a0b931e6231072eaf38d5Ben Murdoch // FIXME: This used to have a more specific error message: 111591b958dee2cf159d33a0b931e6231072eaf38d5Ben Murdoch // "An attempt was made to invert a matrix that is not invertible." 112591b958dee2cf159d33a0b931e6231072eaf38d5Ben Murdoch // When switching to SVG2 style exceptions we lost this information. 113df95704c49daea886ddad70775bda23618d6274dBen Murdoch es.throwDOMException(InvalidStateError); 114591b958dee2cf159d33a0b931e6231072eaf38d5Ben Murdoch } 1155c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 1165c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) return transform; 1175c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) } 1185c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 119df95704c49daea886ddad70775bda23618d6274dBen Murdoch SVGMatrix rotateFromVector(double x, double y, ExceptionState& es) 1205c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) { 1215c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) if (!x || !y) 122df95704c49daea886ddad70775bda23618d6274dBen Murdoch es.throwDOMException(InvalidAccessError); 1235c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 1245c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) AffineTransform copy = *this; 1255c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) copy.rotateFromVector(x, y); 1265c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) return static_cast<SVGMatrix>(copy); 1275c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) } 1285c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 1295c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)}; 1305c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 1315c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} // namespace WebCore 1325c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 1335c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)#endif 134