Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.

BUG:215923


git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdegraphics@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 522 insertions, 0 deletions

diff --git a/ksvg/impl/SVGImageElementImpl.cc b/ksvg/impl/SVGImageElementImpl.cc
new file mode 100644
index 00000000..608dbda5
--- /dev/null
+++ b/ksvg/impl/SVGImageElementImpl.cc
@@ -0,0 +1,522 @@
+/*
+    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 <qimage.h>
+#include <qtimer.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) : QObject(), 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 QString &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, SIGNAL(finishedParsing(bool, const QString &)), this, SLOT(slotParsingFinished(bool, const QString &)));
+				connect(m_doc, SIGNAL(finishedLoading()), this, 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", QString("%1").arg(x()->baseVal()->value()));
+	svg->setAttributeInternal("y", QString("%1").arg(y()->baseVal()->value()));
+	svg->setAttributeInternal("width", QString("%1").arg(width()->baseVal()->value()));
+	svg->setAttributeInternal("height", QString("%1").arg(height()->baseVal()->value()));
+
+	QString 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 QPoint &p, const QPoint &, 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(QImage *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);
+}
+
+QImage SVGImageElementImpl::scaledImage()
+{
+	SVGMatrixImpl *matrix = imageMatrix();
+	double sx, sy;
+
+	matrix->removeScale(&sx, &sy);
+	matrix->deref();
+
+	QImage 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;
+}
+
+QString 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();
+		}
+	}
+}
+
+// vim:ts=4:noet