khtml/bindings/js/JSSVGMatrixCustom.cpp

   1 /*
   2  * Copyright (C) 2006, 2007 Nikolas Zimmermann <zimmermann@kde.org>
   3  *
   4  * This library is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Library General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2 of the License, or (at your option) any later version.
   8  *
   9  * This library is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Library General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Library General Public License
  15  * along with this library; see the file COPYING.LIB.  If not, write to
  16  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  17  * Boston, MA 02110-1301, USA.
  18  */
  19
  20 #include "config.h"
  21 #include "wtf/Platform.h"
  22
  23 #if ENABLE(SVG)
  24
  25 #include "JSSVGMatrix.h"
  26
  27 #include "AffineTransform.h"
  28 #include "SVGException.h"
  29
  30 using namespace KJS;
  31 using namespace WebCore;
  32
  33 namespace khtml {
  34
  35 JSValue* JSSVGMatrix::multiply(ExecState* exec, const List& args)
  36 {
  37     AffineTransform imp(*impl());
  38
  39     AffineTransform secondMatrix = toSVGMatrix(args[0]);
  40     return toJS(exec, new JSSVGPODTypeWrapperCreatorReadOnly<AffineTransform>(imp.multiply(secondMatrix)), m_context.get());
  41 }
  42
  43 JSValue* JSSVGMatrix::inverse(ExecState* exec, const List&)
  44 {
  45     AffineTransform imp(*impl());
  46     KJS::JSValue* result = toJS(exec, new JSSVGPODTypeWrapperCreatorReadOnly<AffineTransform>(imp.inverse()), m_context.get());
  47
  48     if (!imp.isInvertible())
  49         setDOMException(exec, SVGException::SVG_MATRIX_NOT_INVERTABLE);
  50
  51     return result;
  52 }
  53
  54 JSValue* JSSVGMatrix::translate(ExecState* exec, const List& args)
  55 {
  56     AffineTransform imp(*impl());
  57
  58     float x = args[0]->toFloat(exec);
  59     float y = args[1]->toFloat(exec);
  60
  61     return toJS(exec, new JSSVGPODTypeWrapperCreatorReadOnly<AffineTransform>(imp.translate(x, y)), m_context.get());
  62 }
  63
  64 JSValue* JSSVGMatrix::scale(ExecState* exec, const List& args)
  65 {
  66     AffineTransform imp(*impl());
  67
  68     float scaleFactor = args[0]->toFloat(exec);
  69     return toJS(exec, new JSSVGPODTypeWrapperCreatorReadOnly<AffineTransform>(imp.scale(scaleFactor)), m_context.get());
  70 }
  71
  72 JSValue* JSSVGMatrix::scaleNonUniform(ExecState* exec, const List& args)
  73 {
  74     AffineTransform imp(*impl());
  75
  76     float scaleFactorX = args[0]->toFloat(exec);
  77     float scaleFactorY = args[1]->toFloat(exec);
  78
  79     return toJS(exec, new JSSVGPODTypeWrapperCreatorReadOnly<AffineTransform>(imp.scaleNonUniform(scaleFactorX, scaleFactorY)), m_context.get());
  80 }
  81
  82 JSValue* JSSVGMatrix::rotate(ExecState* exec, const List& args)
  83 {
  84     AffineTransform imp(*impl());
  85
  86     float angle = args[0]->toFloat(exec);
  87     return toJS(exec, new JSSVGPODTypeWrapperCreatorReadOnly<AffineTransform>(imp.rotate(angle)), m_context.get());
  88 }
  89
  90 JSValue* JSSVGMatrix::rotateFromVector(ExecState* exec, const List& args)
  91 {
  92     AffineTransform imp(*impl());
  93
  94     float x = args[0]->toFloat(exec);
  95     float y = args[1]->toFloat(exec);
  96
  97     KJS::JSValue* result = toJS(exec, new JSSVGPODTypeWrapperCreatorReadOnly<AffineTransform>(imp.rotateFromVector(x, y)), m_context.get());
  98
  99     if (x == 0.0 || y == 0.0)
 100         setDOMException(exec, SVGException::SVG_INVALID_VALUE_ERR);
 101
 102     return result;
 103 }
 104
 105 JSValue* JSSVGMatrix::flipX(ExecState* exec, const List&)
 106 {
 107     AffineTransform imp(*impl());
 108     return toJS(exec, new JSSVGPODTypeWrapperCreatorReadOnly<AffineTransform>(imp.flipX()), m_context.get());
 109 }
 110
 111 JSValue* JSSVGMatrix::flipY(ExecState* exec, const List&)
 112 {
 113     AffineTransform imp(*impl());
 114     return toJS(exec, new JSSVGPODTypeWrapperCreatorReadOnly<AffineTransform>(imp.flipY()), m_context.get());
 115 }
 116
 117 JSValue* JSSVGMatrix::skewX(ExecState* exec, const List& args)
 118 {
 119     AffineTransform imp(*impl());
 120
 121     float angle = args[0]->toFloat(exec);
 122     return toJS(exec, new JSSVGPODTypeWrapperCreatorReadOnly<AffineTransform>(imp.skewX(angle)), m_context.get());
 123 }
 124
 125 JSValue* JSSVGMatrix::skewY(ExecState* exec, const List& args)
 126 {
 127     AffineTransform imp(*impl());
 128
 129     float angle = args[0]->toFloat(exec);
 130     return toJS(exec, new JSSVGPODTypeWrapperCreatorReadOnly<AffineTransform>(imp.skewY(angle)), m_context.get());
 131 }
 132
 133 }
 134
 135 #endif // ENABLE(SVG)
 136
 137 // vim:ts=4:noet