102 lines
3.8 KiB
C++
102 lines
3.8 KiB
C++
/*
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Copyright 2016 - 2017 Benjamin Vedder benjamin@vedder.se
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This file is part of VESC Tool.
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VESC Tool is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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VESC Tool is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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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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#include <QInputDialog>
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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");
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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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bool ok;
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int w = QInputDialog::getInt(this, tr("Insert Image"),
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tr("Enter image width to use (source width: %1)").arg(image.width()),
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400, 5, 1920, 20, &ok);
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if (ok) {
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int h = (w * image.height()) / image.width();
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QImage img1 = image.scaled(w, h, Qt::IgnoreAspectRatio, Qt::SmoothTransformation);
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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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img1.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 ( img1.width() );
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imageFormat.setHeight ( img1.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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}
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