102 lines
3.6 KiB
C++
102 lines
3.6 KiB
C++
/*
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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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#include "mtextedit.h"
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#include <QTextDocument>
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#include <QTextCursor>
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#include <QImage>
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#include <QByteArray>
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#include <QBuffer>
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#include <stdlib.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] == "image/bmp") { format = "BMP"; break; }
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if (formats[i] == "image/jpeg") { format = "JPG"; break; }
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if (formats[i] == "image/jpg") { format = "JPG"; break; }
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if (formats[i] == "image/gif") { format = "GIF"; break; }
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if (formats[i] == "image/png") { format = "PNG"; break; }
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if (formats[i] == "image/pbm") { format = "PBM"; break; }
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if (formats[i] == "image/pgm") { format = "PGM"; break; }
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if (formats[i] == "image/ppm") { format = "PPM"; break; }
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if (formats[i] == "image/tiff") { format = "TIFF"; break; }
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if (formats[i] == "image/xbm") { format = "XBM"; break; }
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if (formats[i] == "image/xpm") { format = "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()), "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("data:image/%1;base64,%2")
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.arg(QString("%1.%2").arg(rand()).arg(format))
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.arg(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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