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tdegraphics/ksvg/impl/SVGTransformImpl.cc

241 lines
6.6 KiB

/*
Copyright (C) 2001-2003 KSVG Team
This file is part of the KDE project
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 <kdebug.h>
#include "SVGTransform.h"
#include "SVGMatrixImpl.h"
#include "SVGTransformImpl.h"
#include "SVGSVGElementImpl.h"
using namespace KSVG;
#include "SVGTransformImpl.lut.h"
#include "ksvg_scriptinterpreter.h"
#include "ksvg_bridge.h"
#include "ksvg_cacheimpl.h"
SVGTransformImpl::SVGTransformImpl()
{
m_matrix = SVGSVGElementImpl::createSVGMatrix();
m_type = SVG_TRANSFORM_UNKNOWN;
m_angle = 0;
}
SVGTransformImpl::~SVGTransformImpl()
{
if(m_matrix)
m_matrix->deref();
}
unsigned short SVGTransformImpl::type() const
{
return m_type;
}
SVGMatrixImpl *SVGTransformImpl::matrix() const
{
return m_matrix;
}
double SVGTransformImpl::angle() const
{
return m_angle;
}
void SVGTransformImpl::setMatrix(SVGMatrixImpl *matrix)
{
if(!matrix)
return;
m_type = SVG_TRANSFORM_MATRIX;
m_angle = 0;
m_matrix->deref();
m_matrix = matrix;
m_matrix->ref();
}
void SVGTransformImpl::setTranslate(double tx, double ty)
{
m_type = SVG_TRANSFORM_TRANSLATE;
m_angle = 0;
m_matrix->reset();
m_matrix->translate(tx, ty);
}
void SVGTransformImpl::setScale(double sx, double sy)
{
m_type = SVG_TRANSFORM_SCALE;
m_angle = 0;
m_matrix->reset();
m_matrix->scaleNonUniform(sx, sy);
}
void SVGTransformImpl::setRotate(double angle, double cx, double cy)
{
m_type = SVG_TRANSFORM_ROTATE;
// mop: evil...fix that...needed to make toString() work correctly
m_cx = cx;
m_cy = cy;
m_angle = angle;
m_matrix->reset();
m_matrix->translate(cx, cy);
m_matrix->rotate(angle);
m_matrix->translate(-cx, -cy);
}
void SVGTransformImpl::setSkewX(double angle)
{
m_type = SVG_TRANSFORM_SKEWX;
m_angle = angle;
m_matrix->reset();
m_matrix->skewX(angle);
}
void SVGTransformImpl::setSkewY(double angle)
{
m_type = SVG_TRANSFORM_SKEWY;
m_angle = angle;
m_matrix->reset();
m_matrix->skewY(angle);
}
TQString SVGTransformImpl::toString() const
{
switch (m_type)
{
case SVG_TRANSFORM_UNKNOWN:
return TQString();
case SVG_TRANSFORM_MATRIX:
return TQString("matrix(" + TQString::number(m_matrix->a()) + " " + TQString::number(m_matrix->b()) + " " + TQString::number(m_matrix->c()) + " " + TQString::number(m_matrix->d()) + " " + TQString::number(m_matrix->e()) + " " + TQString::number(m_matrix->f()) + ")");
case SVG_TRANSFORM_TRANSLATE:
return TQString("translate(" + TQString::number(m_matrix->e()) + " " + TQString::number(m_matrix->f()) + ")");
case SVG_TRANSFORM_SCALE:
return TQString("scale(" + TQString::number(m_matrix->a()) + " " + TQString::number(m_matrix->d()) + ")");
case SVG_TRANSFORM_ROTATE:
return TQString("rotate(" + TQString::number(m_angle) + " " + TQString::number(m_cx) + " " + TQString::number(m_cy) + ")");
case SVG_TRANSFORM_SKEWX:
return TQString("skewX(" + TQString::number(m_angle) + ")");
case SVG_TRANSFORM_SKEWY:
return TQString("skewY(" + TQString::number(m_angle) + ")");
default:
kdWarning() << "Unknown transform type " << m_type << endl;
return TQString();
}
}
// ECMA binding
/*
@namespace KSVG
@begin SVGTransformImpl::s_hashTable 5
type SVGTransformImpl::Type DontDelete|ReadOnly
matrix SVGTransformImpl::Matrix DontDelete|ReadOnly
angle SVGTransformImpl::Angle DontDelete|ReadOnly
@end
@namespace KSVG
@begin SVGTransformImplProto::s_hashTable 7
setMatrix SVGTransformImpl::SetMatrix DontDelete|Function 1
setTranslate SVGTransformImpl::SetTranslate DontDelete|Function 2
setScale SVGTransformImpl::SetScale DontDelete|Function 2
setRotate SVGTransformImpl::SetRotate DontDelete|Function 3
setSkewX SVGTransformImpl::SetSkewX DontDelete|Function 1
setSkewY SVGTransformImpl::SetSkewY DontDelete|Function 1
@end
*/
KSVG_IMPLEMENT_PROTOTYPE("SVGTransform", SVGTransformImplProto, SVGTransformImplProtoFunc)
Value SVGTransformImpl::getValueProperty(ExecState *exec, int token) const
{
switch(token)
{
case Type:
return Number(m_type);
case Matrix:
return m_matrix->cache(exec);
case Angle:
return Number(m_angle);
default:
kdWarning() << "Unhandled token in " << k_funcinfo << " : " << token << endl;
return Undefined();
}
}
Value SVGTransformImplProtoFunc::call(ExecState *exec, Object &thisObj, const List &args)
{
KSVG_CHECK_THIS(SVGTransformImpl)
switch(id)
{
case SVGTransformImpl::SetMatrix:
obj->setMatrix(static_cast<KSVGBridge<SVGMatrixImpl> *>(args[0].imp())->impl());
break;
case SVGTransformImpl::SetTranslate:
obj->setTranslate(args[0].toNumber(exec), args[1].toNumber(exec));
break;
case SVGTransformImpl::SetScale:
obj->setScale(args[0].toNumber(exec), args[1].toNumber(exec));
break;
case SVGTransformImpl::SetRotate:
obj->setRotate(args[0].toNumber(exec), args[1].toNumber(exec), args[2].toNumber(exec));
break;
case SVGTransformImpl::SetSkewX:
obj->setSkewX(args[0].toNumber(exec));
break;
case SVGTransformImpl::SetSkewY:
obj->setSkewY(args[0].toNumber(exec));
break;
default:
kdWarning() << "Unhandled function id in " << k_funcinfo << " : " << id << endl;
break;
}
return Undefined();
}
/*
@namespace KSVG
@begin SVGTransformImplConstructor::s_hashTable 11
SVG_TRANSFORM_UNKNOWN KSVG::SVG_TRANSFORM_UNKNOWN DontDelete|ReadOnly
SVG_TRANSFORM_MATRIX KSVG::SVG_TRANSFORM_MATRIX DontDelete|ReadOnly
SVG_TRANSFORM_TRANSLATE KSVG::SVG_TRANSFORM_TRANSLATE DontDelete|ReadOnly
SVG_TRANSFORM_SCALE KSVG::SVG_TRANSFORM_SCALE DontDelete|ReadOnly
SVG_TRANSFORM_ROTATE KSVG::SVG_TRANSFORM_ROTATE DontDelete|ReadOnly
SVG_TRANSFORM_SKEWX KSVG::SVG_TRANSFORM_SKEWX DontDelete|ReadOnly
SVG_TRANSFORM_SKEWY KSVG::SVG_TRANSFORM_SKEWY DontDelete|ReadOnly
@end
*/
Value SVGTransformImplConstructor::getValueProperty(ExecState *, int token) const
{
return Number(token);
}
Value KSVG::getSVGTransformImplConstructor(ExecState *exec)
{
return cacheGlobalBridge<SVGTransformImplConstructor>(exec, "[[svgtransform.constructor]]");
}
// vim:ts=4:noet