1 files changed, 154 insertions, 0 deletions
diff --git a/lib/kformula/kformulamimesource.cc b/lib/kformula/kformulamimesource.cc
new file mode 100644
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+++ b/lib/kformula/kformulamimesource.cc
@@ -0,0 +1,154 @@
+/* This file is part of the KDE project
+   Copyright (C) 2001 Andrea Rizzi <rizzi@kde.org>
+	              Ulrich Kuettler <ulrich.kuettler@mailbox.tu-dresden.de>
+
+   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 <iostream>
+
+#include <qpopupmenu.h>
+#include <qbuffer.h>
+#include <qcolor.h>
+#include <qimage.h>
+#include <qpainter.h>
+#include <qpixmap.h>
+
+#include <kcommand.h>
+
+#include "contextstyle.h"
+#include "formulacursor.h"
+#include "formulaelement.h"
+#include "kformuladocument.h"
+#include "kformulamimesource.h"
+
+KFORMULA_NAMESPACE_BEGIN
+using namespace std;
+
+
+MimeSource::MimeSource(Document* doc, const QDomDocument& formula)
+        : formulaDocument( doc ), document(formula)
+{
+    // The query for text/plain comes very often. So make sure
+    // it's fast.
+
+    rootElement = new FormulaElement(this);
+    FormulaCursor cursor(rootElement);
+
+    QPtrList<BasicElement> list;
+    list.setAutoDelete(true);
+    if ( cursor.buildElementsFromDom( document.documentElement(), list ) ) {
+        cursor.insert(list);
+        latexString = rootElement->toLatex().utf8();
+        if (latexString.size() > 0) {
+            latexString.truncate(latexString.size()-1);
+        }
+    }
+}
+
+MimeSource::~MimeSource()
+{
+    delete rootElement;
+}
+
+const char * MimeSource::selectionMimeType()
+{
+    return "application/x-kformula";
+}
+
+const char* MimeSource::format( int n ) const
+{
+    switch (n) {
+        case 0:
+            return selectionMimeType();
+        case 1:
+            return "image/ppm";
+        case 2:
+            return "text/plain";
+        case 3:
+            return "text/x-tex";
+    }
+    return NULL;
+}
+
+bool MimeSource::provides( const char * format) const
+{
+//This is not completed
+    if(QString(format)==selectionMimeType())
+        return true;
+    else if(QString(format)=="image/ppm")
+        return true;
+    else if(QString(format)=="text/plain")
+        return true;
+    else if(QString(format)=="text/x-tex")
+        return true;
+    else
+        return false;
+}
+
+QByteArray MimeSource::encodedData ( const char *format ) const
+{
+    QString fmt=format;  //case sensitive?
+
+    if ((fmt=="text/plain") || (fmt=="text/x-tex"))
+        return latexString;
+
+    if (fmt==selectionMimeType()) {
+	QByteArray d=document.toCString();
+  	d.truncate(d.size()-1);
+	return d;
+    }
+
+    if (fmt=="image/ppm") {
+
+	//cerr << "asking image" << endl;
+        ContextStyle& context = formulaDocument->getContextStyle( false );
+        //context.setResolution(5, 5);
+
+        rootElement->calcSizes(context);
+        QRect rect(rootElement->getX(), rootElement->getY(),
+                   rootElement->getWidth(), rootElement->getHeight());
+
+    	QPixmap pm( context.layoutUnitToPixelX( rootElement->getWidth() ),
+                    context.layoutUnitToPixelY( rootElement->getHeight() ) );
+	pm.fill();
+	QPainter paint(&pm);
+        rootElement->draw(paint, rect, context);
+	paint.end();
+
+	QByteArray d;
+	QBuffer buff(d);
+	buff.open(IO_WriteOnly);
+	QImageIO io(&buff,"PPM");
+	QImage ima=pm.convertToImage();
+	ima.detach();
+	io.setImage(ima);
+	if(!io.write())
+	    return QByteArray();
+
+	buff.close();
+    	return d;
+    }
+
+    return QByteArray();
+}
+
+const SymbolTable& MimeSource::getSymbolTable() const
+{
+    return formulaDocument->getContextStyle( false ).symbolTable();
+}
+
+KFORMULA_NAMESPACE_END