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Diffstat (limited to 'ksvg/impl/SVGImageElementImpl.cpp')
| -rw-r--r-- | ksvg/impl/SVGImageElementImpl.cpp | 520 |
1 files changed, 520 insertions, 0 deletions
diff --git a/ksvg/impl/SVGImageElementImpl.cpp b/ksvg/impl/SVGImageElementImpl.cpp new file mode 100644 index 00000000..65c678d2 --- /dev/null +++ b/ksvg/impl/SVGImageElementImpl.cpp @@ -0,0 +1,520 @@ +/* + 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 <tqimage.h> +#include <tqtimer.h> + +#include <kdebug.h> + +#include "CanvasItem.h" +#include "KSVGCanvas.h" +#include "KSVGHelper.h" + +#include "SVGRectImpl.h" +#include "SVGEventImpl.h" +#include "SVGMatrixImpl.h" +#include "SVGHelperImpl.h" +#include "SVGDocumentImpl.h" +#include "SVGTransformImpl.h" +#include "SVGSVGElementImpl.h" +#include "SVGTransformListImpl.h" +#include "SVGAnimatedStringImpl.h" +#include "SVGAnimatedLengthImpl.h" +#include "SVGImageElementImpl.moc" +#include "SVGColorProfileElementImpl.h" +#include "SVGPreserveAspectRatioImpl.h" +#include "SVGAnimatedTransformListImpl.h" +#include "SVGAnimatedPreserveAspectRatioImpl.h" +#include "SVGPatternElementImpl.h" + +using namespace KSVG; + +#include "SVGImageElementImpl.lut.h" +#include "ksvg_scriptinterpreter.h" +#include "ksvg_bridge.h" +#include "ksvg_ecma.h" + +SVGImageElementImpl::SVGImageElementImpl(DOM::ElementImpl *impl) : TQObject(), SVGShapeImpl(impl), SVGURIReferenceImpl(), SVGTestsImpl(), SVGLangSpaceImpl(), SVGExternalResourcesRequiredImpl(), SVGStylableImpl(this), SVGTransformableImpl() +{ + KSVG_EMPTY_FLAGS + + m_x = new SVGAnimatedLengthImpl(LENGTHMODE_WIDTH, this); + m_x->ref(); + m_x->baseVal()->setValueAsString("-1"); + + m_y = new SVGAnimatedLengthImpl(LENGTHMODE_HEIGHT, this); + m_y->ref(); + m_y->baseVal()->setValueAsString("-1"); + + m_width = new SVGAnimatedLengthImpl(LENGTHMODE_WIDTH, this); + m_width->ref(); + m_width->baseVal()->setValueAsString("-1"); + + m_height = new SVGAnimatedLengthImpl(LENGTHMODE_HEIGHT, this); + m_height->ref(); + m_height->baseVal()->setValueAsString("-1"); + + m_preserveAspectRatio = 0; + + m_doc = 0; + m_image = 0; + m_svgRoot = 0; + m_colorProfile = 0; + m_colorProfileApplied = false; +} + +SVGImageElementImpl::~SVGImageElementImpl() +{ + if(m_x) + m_x->deref(); + if(m_y) + m_y->deref(); + if(m_width) + m_width->deref(); + if(m_height) + m_height->deref(); + if(m_preserveAspectRatio) + m_preserveAspectRatio->deref(); + if(m_doc) + m_doc->deref(); + + delete m_image; +} + +SVGAnimatedLengthImpl *SVGImageElementImpl::x() +{ + return m_x; +} + +SVGAnimatedLengthImpl *SVGImageElementImpl::y() +{ + return m_y; +} + +SVGAnimatedLengthImpl *SVGImageElementImpl::width() +{ + return m_width; +} + +SVGAnimatedLengthImpl *SVGImageElementImpl::height() +{ + return m_height; +} + +SVGAnimatedPreserveAspectRatioImpl *SVGImageElementImpl::preserveAspectRatio() const +{ + return m_preserveAspectRatio; +} + +/* +@namespace KSVG +@namespace KSVG +@begin SVGImageElementImpl::s_hashTable 7 + x SVGImageElementImpl::X DontDelete|ReadOnly + y SVGImageElementImpl::Y DontDelete|ReadOnly + width SVGImageElementImpl::Width DontDelete|ReadOnly + height SVGImageElementImpl::Height DontDelete|ReadOnly + preserveAspectRatio SVGImageElementImpl::PreserveAspectRatio DontDelete|ReadOnly + href SVGImageElementImpl::Href DontDelete|ReadOnly +@end +*/ + +Value SVGImageElementImpl::getValueProperty(ExecState *exec, int token) const +{ + KSVG_CHECK_ATTRIBUTE + + switch(token) + { + case X: + if(!attributeMode) + return m_x->cache(exec); + else + return Number(m_x->baseVal()->value()); + case Y: + if(!attributeMode) + return m_y->cache(exec); + else + return Number(m_y->baseVal()->value()); + case Width: + if(!attributeMode) + return m_width->cache(exec); + else + return Number(m_width->baseVal()->value()); + case Height: + if(!attributeMode) + return m_height->cache(exec); + else + return Number(m_height->baseVal()->value()); + case PreserveAspectRatio: + if(m_preserveAspectRatio) + return m_preserveAspectRatio->cache(exec); + else + return Undefined(); + case Href: + SVGURIReferenceImpl::getValueProperty(exec, token); + default: + kdWarning() << "Unhandled token in " << k_funcinfo << " : " << token << endl; + return Undefined(); + } +} + +void SVGImageElementImpl::putValueProperty(ExecState *exec, int token, const Value &value, int attr) +{ + // This class has just ReadOnly properties, only with the Internal flag set + // it's allowed to modify those. + if(!(attr & KJS::Internal)) + return; + + switch(token) + { + case X: + x()->baseVal()->setValueAsString(value.toString(exec).qstring()); + break; + case Y: + y()->baseVal()->setValueAsString(value.toString(exec).qstring()); + break; + case Width: + width()->baseVal()->setValueAsString(value.toString(exec).qstring()); + break; + case Height: + height()->baseVal()->setValueAsString(value.toString(exec).qstring()); + break; + case PreserveAspectRatio: + if(!preserveAspectRatio()) + { + m_preserveAspectRatio = new SVGAnimatedPreserveAspectRatioImpl(); + m_preserveAspectRatio->ref(); + } + + preserveAspectRatio()->baseVal()->parsePreserveAspectRatio(value.toString(exec).qstring()); + break; + case Href: + SVGURIReferenceImpl::putValueProperty(exec, SVGURIReferenceImpl::Href, value, attr); + break; + default: + kdWarning() << "Unhandled token in " << k_funcinfo << " : " << token << endl; + } +} + +SVGRectImpl *SVGImageElementImpl::getBBox() +{ + SVGRectImpl *ret = SVGSVGElementImpl::createSVGRect(); + ret->setX(m_x->baseVal()->value()); + ret->setY(m_y->baseVal()->value()); + ret->setWidth(m_width->baseVal()->value()); + ret->setHeight(m_height->baseVal()->value()); + return ret; +} + +void SVGImageElementImpl::setAttributes() +{ + SVGElementImpl::setAttributes(); + + if(KSVG_TOKEN_NOT_PARSED(X)) + KSVG_SET_ALT_ATTRIBUTE(X, "0") + + if(KSVG_TOKEN_NOT_PARSED(Y)) + KSVG_SET_ALT_ATTRIBUTE(Y, "0") + + if(KSVG_TOKEN_NOT_PARSED(PreserveAspectRatio)) + { + setAttribute("preserveAspectRatio", "xMidYMid meet"); + KSVG_SET_ALT_ATTRIBUTE(PreserveAspectRatio, "xMidYMid meet") + } +} + +void SVGImageElementImpl::slotParsingFinished(bool error, const TQString &errorDesc) +{ + if(error) + kdDebug(26003) << "Finished with error : " << errorDesc << endl; + else + kdDebug(26003) << "Finished without errors!" << endl; + + m_svgRoot = m_doc->rootElement(); +} + +void SVGImageElementImpl::slotLoadingFinished() +{ + ownerDoc()->notifyImageLoaded(this); +} + +void SVGImageElementImpl::createItem(KSVGCanvas *c) +{ + if(!m_item) + { + if(!c) + c = ownerDoc()->canvas(); + + m_item = c->createImage(this); + c->insert(m_item); + + if(href()->baseVal().string().endsWith(".svg") || href()->baseVal().string().endsWith(".svgz")) + { + if(!m_svgRoot) + { + m_doc = new SVGDocumentImpl(true, false, this); + m_doc->ref(); + m_doc->attach(c); + + connect(m_doc, TQT_SIGNAL(finishedParsing(bool, const TQString &)), this, TQT_SLOT(slotParsingFinished(bool, const TQString &))); + connect(m_doc, TQT_SIGNAL(finishedLoading()), this, TQT_SLOT(slotLoadingFinished())); + + KURL file; + + if(!KURL::isRelativeURL(href()->baseVal().string())) + file = KURL(href()->baseVal().string()); + else + file = KURL(ownerDoc()->baseUrl(), href()->baseVal().string()); + + m_doc->open(file); + + // The svg image will add items to the canvas in parallel with the main + // document, so the z-order will not be correct. Get it to fix this when everything's + // finished loading. + ownerDoc()->resortZIndicesOnFinishedLoading(); + ownerDoc()->notifyImageLoading(this); + } + else + m_svgRoot->createItem(c); + } + else + { + if(!m_image) + { + ownerDoc()->newImageJob(this); + ownerDoc()->notifyImageLoading(this); + } + } + } +} + +void SVGImageElementImpl::removeItem(KSVGCanvas *c) +{ + if(m_item && c) + { + if(m_svgRoot) + m_svgRoot->removeItem(c); + + c->removeItem(m_item); + m_item = 0; + } +} + +void SVGImageElementImpl::setupSVGElement(SVGSVGElementImpl *svg) +{ + // Set up the root svg for an svg image. + svg->setAttributeInternal("x", TQString("%1").arg(x()->baseVal()->value())); + svg->setAttributeInternal("y", TQString("%1").arg(y()->baseVal()->value())); + svg->setAttributeInternal("width", TQString("%1").arg(width()->baseVal()->value())); + svg->setAttributeInternal("height", TQString("%1").arg(height()->baseVal()->value())); + + TQString par = getAttribute("preserveAspectRatio").string().stripWhiteSpace(); + + if(par.startsWith("defer")) + { + if(svg->getAttribute("preserveAspectRatio").isEmpty()) + { + par.remove("defer"); + svg->setAttribute("preserveAspectRatio", par); + svg->setAttributeInternal("preserveAspectRatio", par); + } + } + else + { + svg->setAttribute("preserveAspectRatio", par); + svg->setAttributeInternal("preserveAspectRatio", par); + } + + svg->setAttributes(); + svg->setRootParentScreenCTM(getScreenCTM()); +} + +void SVGImageElementImpl::onScreenCTMUpdated() +{ + if(m_svgRoot) + { + SVGMatrixImpl *ctm = getScreenCTM(); + + m_svgRoot->setRootParentScreenCTM(ctm); + m_svgRoot->invalidateCachedMatrices(); + m_svgRoot->ownerDoc()->syncCachedMatrices(); + } +} + +bool SVGImageElementImpl::prepareMouseEvent(const TQPoint &p, const TQPoint &, SVGMouseEventImpl *mev) +{ + // TODO : pointer-events should be stored here, not in SVGStylableImpl. + SVGStylableImpl *style = dynamic_cast<SVGStylableImpl *>(this); + if(!style || style->getPointerEvents() == PE_NONE) + return false; + bool test = true; + switch(style->getPointerEvents()) + { + case PE_VISIBLE: + case PE_VISIBLE_PAINTED: + case PE_VISIBLE_FILL: + case PE_VISIBLE_STROKE: test = style->getVisible(); break; + case PE_PAINTED: + case PE_FILL: + case PE_STROKE: + case PE_ALL: break; + default: test = false; + }; + + if(test && m_item) + { + if(m_item->bbox().contains(p)) + { + mev->setTarget(dynamic_cast<SVGElementImpl *>(this)); + return true; + } + } + + return false; +} + +void SVGImageElementImpl::setImage(TQImage *image) +{ + m_image = image; + + if(m_image) + { + *m_image = m_image->convertDepth(32); + + if(m_colorProfile != 0 && !m_colorProfileApplied) + { + m_colorProfileApplied = true; + applyColorProfile(); + } + + SVGPatternElementImpl::flushCachedTiles(); + + if(m_item) + { + ownerDoc()->canvas()->invalidate(m_item, false); + ownerDoc()->rerender(); + } + } + + ownerDoc()->notifyImageLoaded(this); +} + +TQImage SVGImageElementImpl::scaledImage() +{ + SVGMatrixImpl *matrix = imageMatrix(); + double sx, sy; + + matrix->removeScale(&sx, &sy); + matrix->deref(); + + TQImage img; + + if(sx != 1 || sy != 1) + { + int scaledWidth = static_cast<int>(m_image->width() * sx + 0.5); + int scaledHeight = static_cast<int>(m_image->height() * sy + 0.5); + + img = m_image->smoothScale(scaledWidth, scaledHeight); + } + else + img = *m_image; + + return img; +} + +SVGMatrixImpl *SVGImageElementImpl::imageMatrix() +{ + SVGMatrixImpl *ctm = getScreenCTM(); + + ctm->translate(x()->baseVal()->value(), y()->baseVal()->value()); + + SVGMatrixImpl *viewboxMatrix = preserveAspectRatio()->baseVal()->getCTM(0, 0, image()->width(), image()->height(), 0, 0, width()->baseVal()->value(), height()->baseVal()->value()); + + ctm->multiply(viewboxMatrix); + viewboxMatrix->deref(); + + return ctm; +} + +SVGMatrixImpl *SVGImageElementImpl::scaledImageMatrix() +{ + SVGMatrixImpl *matrix = imageMatrix(); + double sx, sy; + + matrix->removeScale(&sx, &sy); + + if(sx != 1 || sy != 1) + { + int imageWidth = static_cast<int>(m_image->width() * sx + 0.5); + int imageHeight = static_cast<int>(m_image->height() * sy + 0.5); + + double trueWidth = m_image->width() * sx; + double trueHeight = m_image->height() * sy; + + matrix->scaleNonUniform(trueWidth / imageWidth, trueHeight / imageHeight); + } + + return matrix; +} + +KSVGPolygon SVGImageElementImpl::clippingShape() +{ + KSVGRectangle viewport(0, 0, width()->baseVal()->value(), height()->baseVal()->value()); + SVGMatrixImpl *matrix = preserveAspectRatio()->baseVal()->getCTM(0, 0, image()->width(), image()->height(), 0, 0, width()->baseVal()->value(), height()->baseVal()->value()); + KSVGPolygon p = matrix->inverseMap(viewport); + matrix->deref(); + + matrix = imageMatrix(); + p = matrix->map(p); + matrix->deref(); + + return p; +} + +TQString SVGImageElementImpl::fileName() const +{ + return href()->baseVal().string(); +} + +void SVGImageElementImpl::applyColorProfile() +{ + m_image = m_colorProfile->correctImage(m_image); +} + +void SVGImageElementImpl::applyColorProfile(SVGColorProfileElementImpl *profile, SVGImageElementImpl *image) +{ + // Only apply once, if it's the same (Niko) + if(image->m_colorProfile == profile) + return; + + image->m_colorProfile = profile; + + if(image->m_image) + { + // Image is already painted, we apply the color profile and repaint it + image->applyColorProfile(); + + if(image->item()) + { + image->ownerDoc()->canvas()->invalidate(image->item(), false); + image->ownerDoc()->rerender(); + } + } +} |