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521 lines
13 KiB
521 lines
13 KiB
/*
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Copyright (C) 2001-2003 KSVG Team
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This file is part of the KDE project
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public License
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along with this library; see the file COPYING.LIB. If not, write to
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the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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Boston, MA 02110-1301, USA.
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*/
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#include <tqimage.h>
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#include <tqtimer.h>
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#include <kdebug.h>
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#include "CanvasItem.h"
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#include "KSVGCanvas.h"
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#include "KSVGHelper.h"
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#include "SVGRectImpl.h"
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#include "SVGEventImpl.h"
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#include "SVGMatrixImpl.h"
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#include "SVGHelperImpl.h"
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#include "SVGDocumentImpl.h"
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#include "SVGTransformImpl.h"
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#include "SVGSVGElementImpl.h"
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#include "SVGTransformListImpl.h"
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#include "SVGAnimatedStringImpl.h"
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#include "SVGAnimatedLengthImpl.h"
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#include "SVGImageElementImpl.moc"
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#include "SVGColorProfileElementImpl.h"
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#include "SVGPreserveAspectRatioImpl.h"
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#include "SVGAnimatedTransformListImpl.h"
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#include "SVGAnimatedPreserveAspectRatioImpl.h"
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#include "SVGPatternElementImpl.h"
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using namespace KSVG;
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#include "SVGImageElementImpl.lut.h"
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#include "ksvg_scriptinterpreter.h"
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#include "ksvg_bridge.h"
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#include "ksvg_ecma.h"
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SVGImageElementImpl::SVGImageElementImpl(DOM::ElementImpl *impl) : TQObject(), SVGShapeImpl(impl), SVGURIReferenceImpl(), SVGTestsImpl(), SVGLangSpaceImpl(), SVGExternalResourcesRequiredImpl(), SVGStylableImpl(this), SVGTransformableImpl()
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{
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KSVG_EMPTY_FLAGS
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m_x = new SVGAnimatedLengthImpl(LENGTHMODE_WIDTH, this);
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m_x->ref();
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m_x->baseVal()->setValueAsString("-1");
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m_y = new SVGAnimatedLengthImpl(LENGTHMODE_HEIGHT, this);
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m_y->ref();
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m_y->baseVal()->setValueAsString("-1");
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m_width = new SVGAnimatedLengthImpl(LENGTHMODE_WIDTH, this);
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m_width->ref();
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m_width->baseVal()->setValueAsString("-1");
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m_height = new SVGAnimatedLengthImpl(LENGTHMODE_HEIGHT, this);
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m_height->ref();
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m_height->baseVal()->setValueAsString("-1");
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m_preserveAspectRatio = 0;
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m_doc = 0;
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m_image = 0;
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m_svgRoot = 0;
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m_colorProfile = 0;
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m_colorProfileApplied = false;
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}
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SVGImageElementImpl::~SVGImageElementImpl()
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{
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if(m_x)
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m_x->deref();
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if(m_y)
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m_y->deref();
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if(m_width)
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m_width->deref();
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if(m_height)
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m_height->deref();
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if(m_preserveAspectRatio)
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m_preserveAspectRatio->deref();
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if(m_doc)
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m_doc->deref();
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delete m_image;
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}
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SVGAnimatedLengthImpl *SVGImageElementImpl::x()
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{
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return m_x;
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}
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SVGAnimatedLengthImpl *SVGImageElementImpl::y()
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{
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return m_y;
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}
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SVGAnimatedLengthImpl *SVGImageElementImpl::width()
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{
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return m_width;
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}
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SVGAnimatedLengthImpl *SVGImageElementImpl::height()
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{
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return m_height;
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}
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SVGAnimatedPreserveAspectRatioImpl *SVGImageElementImpl::preserveAspectRatio() const
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{
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return m_preserveAspectRatio;
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}
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/*
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@namespace KSVG
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@namespace KSVG
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@begin SVGImageElementImpl::s_hashTable 7
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x SVGImageElementImpl::X DontDelete|ReadOnly
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y SVGImageElementImpl::Y DontDelete|ReadOnly
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width SVGImageElementImpl::Width DontDelete|ReadOnly
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height SVGImageElementImpl::Height DontDelete|ReadOnly
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preserveAspectRatio SVGImageElementImpl::PreserveAspectRatio DontDelete|ReadOnly
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href SVGImageElementImpl::Href DontDelete|ReadOnly
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@end
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*/
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Value SVGImageElementImpl::getValueProperty(ExecState *exec, int token) const
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{
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KSVG_CHECK_ATTRIBUTE
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switch(token)
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{
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case X:
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if(!attributeMode)
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return m_x->cache(exec);
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else
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return Number(m_x->baseVal()->value());
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case Y:
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if(!attributeMode)
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return m_y->cache(exec);
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else
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return Number(m_y->baseVal()->value());
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case Width:
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if(!attributeMode)
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return m_width->cache(exec);
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else
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return Number(m_width->baseVal()->value());
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case Height:
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if(!attributeMode)
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return m_height->cache(exec);
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else
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return Number(m_height->baseVal()->value());
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case PreserveAspectRatio:
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if(m_preserveAspectRatio)
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return m_preserveAspectRatio->cache(exec);
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else
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return Undefined();
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case Href:
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SVGURIReferenceImpl::getValueProperty(exec, token);
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default:
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kdWarning() << "Unhandled token in " << k_funcinfo << " : " << token << endl;
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return Undefined();
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}
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}
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void SVGImageElementImpl::putValueProperty(ExecState *exec, int token, const Value &value, int attr)
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{
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// This class has just ReadOnly properties, only with the Internal flag set
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// it's allowed to modify those.
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if(!(attr & KJS::Internal))
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return;
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switch(token)
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{
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case X:
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x()->baseVal()->setValueAsString(value.toString(exec).qstring());
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break;
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case Y:
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y()->baseVal()->setValueAsString(value.toString(exec).qstring());
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break;
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case Width:
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width()->baseVal()->setValueAsString(value.toString(exec).qstring());
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break;
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case Height:
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height()->baseVal()->setValueAsString(value.toString(exec).qstring());
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break;
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case PreserveAspectRatio:
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if(!preserveAspectRatio())
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{
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m_preserveAspectRatio = new SVGAnimatedPreserveAspectRatioImpl();
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m_preserveAspectRatio->ref();
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}
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preserveAspectRatio()->baseVal()->parsePreserveAspectRatio(value.toString(exec).qstring());
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break;
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case Href:
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SVGURIReferenceImpl::putValueProperty(exec, SVGURIReferenceImpl::Href, value, attr);
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break;
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default:
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kdWarning() << "Unhandled token in " << k_funcinfo << " : " << token << endl;
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}
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}
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SVGRectImpl *SVGImageElementImpl::getBBox()
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{
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SVGRectImpl *ret = SVGSVGElementImpl::createSVGRect();
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ret->setX(m_x->baseVal()->value());
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ret->setY(m_y->baseVal()->value());
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ret->setWidth(m_width->baseVal()->value());
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ret->setHeight(m_height->baseVal()->value());
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return ret;
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}
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void SVGImageElementImpl::setAttributes()
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{
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SVGElementImpl::setAttributes();
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if(KSVG_TOKEN_NOT_PARSED(X))
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KSVG_SET_ALT_ATTRIBUTE(X, "0")
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if(KSVG_TOKEN_NOT_PARSED(Y))
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KSVG_SET_ALT_ATTRIBUTE(Y, "0")
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if(KSVG_TOKEN_NOT_PARSED(PreserveAspectRatio))
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{
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setAttribute("preserveAspectRatio", "xMidYMid meet");
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KSVG_SET_ALT_ATTRIBUTE(PreserveAspectRatio, "xMidYMid meet")
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}
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}
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void SVGImageElementImpl::slotParsingFinished(bool error, const TQString &errorDesc)
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{
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if(error)
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kdDebug(26003) << "Finished with error : " << errorDesc << endl;
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else
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kdDebug(26003) << "Finished without errors!" << endl;
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m_svgRoot = m_doc->rootElement();
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}
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void SVGImageElementImpl::slotLoadingFinished()
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{
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ownerDoc()->notifyImageLoaded(this);
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}
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void SVGImageElementImpl::createItem(KSVGCanvas *c)
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{
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if(!m_item)
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{
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if(!c)
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c = ownerDoc()->canvas();
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m_item = c->createImage(this);
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c->insert(m_item);
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if(href()->baseVal().string().endsWith(".svg") || href()->baseVal().string().endsWith(".svgz"))
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{
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if(!m_svgRoot)
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{
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m_doc = new SVGDocumentImpl(true, false, this);
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m_doc->ref();
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m_doc->attach(c);
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connect(m_doc, TQ_SIGNAL(finishedParsing(bool, const TQString &)), this, TQ_SLOT(slotParsingFinished(bool, const TQString &)));
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connect(m_doc, TQ_SIGNAL(finishedLoading()), this, TQ_SLOT(slotLoadingFinished()));
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KURL file;
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if(!KURL::isRelativeURL(href()->baseVal().string()))
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file = KURL(href()->baseVal().string());
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else
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file = KURL(ownerDoc()->baseUrl(), href()->baseVal().string());
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m_doc->open(file);
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// The svg image will add items to the canvas in parallel with the main
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// document, so the z-order will not be correct. Get it to fix this when everything's
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// finished loading.
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ownerDoc()->resortZIndicesOnFinishedLoading();
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ownerDoc()->notifyImageLoading(this);
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}
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else
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m_svgRoot->createItem(c);
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}
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else
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{
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if(!m_image)
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{
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ownerDoc()->newImageJob(this);
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ownerDoc()->notifyImageLoading(this);
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}
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}
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}
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}
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void SVGImageElementImpl::removeItem(KSVGCanvas *c)
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{
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if(m_item && c)
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{
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if(m_svgRoot)
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m_svgRoot->removeItem(c);
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c->removeItem(m_item);
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m_item = 0;
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}
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}
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void SVGImageElementImpl::setupSVGElement(SVGSVGElementImpl *svg)
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{
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// Set up the root svg for an svg image.
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svg->setAttributeInternal("x", TQString("%1").arg(x()->baseVal()->value()));
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svg->setAttributeInternal("y", TQString("%1").arg(y()->baseVal()->value()));
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svg->setAttributeInternal("width", TQString("%1").arg(width()->baseVal()->value()));
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svg->setAttributeInternal("height", TQString("%1").arg(height()->baseVal()->value()));
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TQString par = getAttribute("preserveAspectRatio").string().stripWhiteSpace();
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if(par.startsWith("defer"))
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{
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if(svg->getAttribute("preserveAspectRatio").isEmpty())
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{
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par.remove("defer");
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svg->setAttribute("preserveAspectRatio", par);
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svg->setAttributeInternal("preserveAspectRatio", par);
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}
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}
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else
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{
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svg->setAttribute("preserveAspectRatio", par);
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svg->setAttributeInternal("preserveAspectRatio", par);
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}
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svg->setAttributes();
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svg->setRootParentScreenCTM(getScreenCTM());
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}
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void SVGImageElementImpl::onScreenCTMUpdated()
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{
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if(m_svgRoot)
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{
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SVGMatrixImpl *ctm = getScreenCTM();
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m_svgRoot->setRootParentScreenCTM(ctm);
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m_svgRoot->invalidateCachedMatrices();
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m_svgRoot->ownerDoc()->syncCachedMatrices();
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}
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}
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bool SVGImageElementImpl::prepareMouseEvent(const TQPoint &p, const TQPoint &, SVGMouseEventImpl *mev)
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{
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// TODO : pointer-events should be stored here, not in SVGStylableImpl.
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SVGStylableImpl *style = dynamic_cast<SVGStylableImpl *>(this);
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if(!style || style->getPointerEvents() == PE_NONE)
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return false;
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bool test = true;
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switch(style->getPointerEvents())
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{
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case PE_VISIBLE:
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case PE_VISIBLE_PAINTED:
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case PE_VISIBLE_FILL:
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case PE_VISIBLE_STROKE: test = style->getVisible(); break;
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case PE_PAINTED:
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case PE_FILL:
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case PE_STROKE:
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case PE_ALL: break;
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default: test = false;
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};
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if(test && m_item)
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{
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if(m_item->bbox().contains(p))
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{
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mev->setTarget(dynamic_cast<SVGElementImpl *>(this));
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return true;
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}
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}
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return false;
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}
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void SVGImageElementImpl::setImage(TQImage *image)
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{
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m_image = image;
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if(m_image)
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{
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*m_image = m_image->convertDepth(32);
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if(m_colorProfile != 0 && !m_colorProfileApplied)
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{
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m_colorProfileApplied = true;
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applyColorProfile();
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}
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SVGPatternElementImpl::flushCachedTiles();
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if(m_item)
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{
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ownerDoc()->canvas()->invalidate(m_item, false);
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ownerDoc()->rerender();
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}
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}
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ownerDoc()->notifyImageLoaded(this);
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}
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TQImage SVGImageElementImpl::scaledImage()
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{
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SVGMatrixImpl *matrix = imageMatrix();
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double sx, sy;
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matrix->removeScale(&sx, &sy);
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matrix->deref();
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TQImage img;
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if(sx != 1 || sy != 1)
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{
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int scaledWidth = static_cast<int>(m_image->width() * sx + 0.5);
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int scaledHeight = static_cast<int>(m_image->height() * sy + 0.5);
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img = m_image->smoothScale(scaledWidth, scaledHeight);
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}
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else
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img = *m_image;
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return img;
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}
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SVGMatrixImpl *SVGImageElementImpl::imageMatrix()
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{
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SVGMatrixImpl *ctm = getScreenCTM();
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ctm->translate(x()->baseVal()->value(), y()->baseVal()->value());
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SVGMatrixImpl *viewboxMatrix = preserveAspectRatio()->baseVal()->getCTM(0, 0, image()->width(), image()->height(), 0, 0, width()->baseVal()->value(), height()->baseVal()->value());
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ctm->multiply(viewboxMatrix);
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viewboxMatrix->deref();
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return ctm;
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}
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SVGMatrixImpl *SVGImageElementImpl::scaledImageMatrix()
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{
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SVGMatrixImpl *matrix = imageMatrix();
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double sx, sy;
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matrix->removeScale(&sx, &sy);
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if(sx != 1 || sy != 1)
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{
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int imageWidth = static_cast<int>(m_image->width() * sx + 0.5);
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int imageHeight = static_cast<int>(m_image->height() * sy + 0.5);
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double trueWidth = m_image->width() * sx;
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double trueHeight = m_image->height() * sy;
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matrix->scaleNonUniform(trueWidth / imageWidth, trueHeight / imageHeight);
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}
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return matrix;
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}
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KSVGPolygon SVGImageElementImpl::clippingShape()
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{
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KSVGRectangle viewport(0, 0, width()->baseVal()->value(), height()->baseVal()->value());
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SVGMatrixImpl *matrix = preserveAspectRatio()->baseVal()->getCTM(0, 0, image()->width(), image()->height(), 0, 0, width()->baseVal()->value(), height()->baseVal()->value());
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KSVGPolygon p = matrix->inverseMap(viewport);
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matrix->deref();
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matrix = imageMatrix();
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p = matrix->map(p);
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matrix->deref();
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return p;
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}
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TQString SVGImageElementImpl::fileName() const
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{
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return href()->baseVal().string();
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}
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void SVGImageElementImpl::applyColorProfile()
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{
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m_image = m_colorProfile->correctImage(m_image);
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}
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void SVGImageElementImpl::applyColorProfile(SVGColorProfileElementImpl *profile, SVGImageElementImpl *image)
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{
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// Only apply once, if it's the same (Niko)
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if(image->m_colorProfile == profile)
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return;
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image->m_colorProfile = profile;
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if(image->m_image)
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{
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// Image is already painted, we apply the color profile and repaint it
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image->applyColorProfile();
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if(image->item())
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{
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image->ownerDoc()->canvas()->invalidate(image->item(), false);
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image->ownerDoc()->rerender();
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}
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}
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}
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