FreeCAD

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/*
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** Copyright (C) 2013 Jiří Procházka (Hobrasoft)
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** Contact: http://www.hobrasoft.cz/
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**
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** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
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** Contact: http://www.qt-project.org/legal
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** GNU Lesser General Public License Usage
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** This file is under the terms of the GNU Lesser General Public License
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** version 2.1 as published by the Free Software Foundation and appearing
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** in the file LICENSE.LGPL included in the packaging of this file.
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** Please review the following information to ensure the
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** GNU Lesser General Public License version 2.1 requirements
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Digia gives you certain additional
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** rights.  These rights are described in the Digia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** $QT_END_LICENSE$
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*/
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// clazy:excludeall=qstring-arg
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#include "PreCompiled.h"
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#ifndef _PreComp_
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# include <cstdlib>
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# include <QBuffer>
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# include <QByteArray>
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# include <QImage>
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# include <QTextCursor>
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#endif
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#include "mtextedit.h"
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MTextEdit::MTextEdit(QWidget *parent) : QTextEdit(parent) {
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}
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bool MTextEdit::canInsertFromMimeData(const QMimeData *source) const {
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    return source->hasImage() || QTextEdit::canInsertFromMimeData(source);
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}
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void MTextEdit::insertFromMimeData(const QMimeData *source) {
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    if (source->hasImage()) {
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        QStringList formats = source->formats();
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        QString format;
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        for (int i=0; i<formats.size(); i++) {
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            if (formats[i] == QLatin1String("image/bmp"))  { format = QString::fromLatin1("BMP");  break; }
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            if (formats[i] == QLatin1String("image/jpeg")) { format = QString::fromLatin1("JPG");  break; }
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            if (formats[i] == QLatin1String("image/jpg"))  { format = QString::fromLatin1("JPG");  break; }
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            if (formats[i] == QLatin1String("image/gif"))  { format = QString::fromLatin1("GIF");  break; }
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            if (formats[i] == QLatin1String("image/png"))  { format = QString::fromLatin1("PNG");  break; }
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            if (formats[i] == QLatin1String("image/pbm"))  { format = QString::fromLatin1("PBM");  break; }
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            if (formats[i] == QLatin1String("image/pgm"))  { format = QString::fromLatin1("PGM");  break; }
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            if (formats[i] == QLatin1String("image/ppm"))  { format = QString::fromLatin1("PPM");  break; }
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            if (formats[i] == QLatin1String("image/tiff")) { format = QString::fromLatin1("TIFF"); break; }
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            if (formats[i] == QLatin1String("image/xbm"))  { format = QString::fromLatin1("XBM");  break; }
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            if (formats[i] == QLatin1String("image/xpm"))  { format = QString::fromLatin1("XPM");  break; }
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            }
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        if (!format.isEmpty()) {
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//          dropImage(qvariant_cast<QImage>(source->imageData()), format);
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            dropImage(qvariant_cast<QImage>(source->imageData()), QString::fromLatin1("JPG")); // Sorry, ale cokoli jiného dlouho trvá
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            return;
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            }
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        }
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    QTextEdit::insertFromMimeData(source);
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}
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QMimeData *MTextEdit::createMimeDataFromSelection() const {
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    return QTextEdit::createMimeDataFromSelection();
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}
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void MTextEdit::dropImage(const QImage& image, const QString& format) {
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    QByteArray bytes;
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    QBuffer buffer(&bytes);
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    buffer.open(QIODevice::WriteOnly);
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    image.save(&buffer, format.toLocal8Bit().data());
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    buffer.close();
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    QByteArray base64 = bytes.toBase64();
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    QByteArray base64l;
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    for (int i=0; i<base64.size(); i++) {
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        base64l.append(base64[i]);
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        if (i%80 == 0) {
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            base64l.append("\n");
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            }
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        }
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    QTextCursor cursor = textCursor();
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    QTextImageFormat imageFormat;
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    imageFormat.setWidth  ( image.width() );
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    imageFormat.setHeight ( image.height() );
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    imageFormat.setName   ( QString::fromLatin1("data:image/%1;base64, %2")
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                                .arg(QString::fromLatin1("%1.%2").arg(rand()).arg(format))
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                                .arg(QString::fromLatin1(base64l.data()))
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                                );
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    cursor.insertImage    ( imageFormat );
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}
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#include <Mod/TechDraw/Gui/moc_mtextedit.cpp>
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