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/***************************************************************************
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** **
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** QCustomPlot, an easy to use, modern plotting widget for Qt **
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** Copyright (C) 2011, 2012, 2013, 2014 Emanuel Eichhammer **
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** **
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** This program 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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** **
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** This program 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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** **
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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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****************************************************************************
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** Author: Emanuel Eichhammer **
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** Website/Contact: http://www.qcustomplot.com/ **
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** Date: 27.12.14 **
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** Version: 1.3.0 **
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****************************************************************************/
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#include "qcpdocumentobject.h"
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QCPDocumentObject::QCPDocumentObject(QObject *parent) :
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QObject(parent)
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{
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}
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QSizeF QCPDocumentObject::intrinsicSize(QTextDocument *doc, int posInDocument, const QTextFormat &format)
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{
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Q_UNUSED(doc)
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Q_UNUSED(posInDocument)
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QPicture pic = qvariant_cast<QPicture>(format.property(PicturePropertyId));
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if (pic.isNull())
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{
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qDebug() << Q_FUNC_INFO << "Plot object is empty";
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return QSizeF(10, 10);
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} else
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return QSizeF(pic.boundingRect().size());
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}
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void QCPDocumentObject::drawObject(QPainter *painter, const QRectF &rect, QTextDocument *doc, int posInDocument, const QTextFormat &format)
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{
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Q_UNUSED(doc)
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Q_UNUSED(posInDocument)
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QPicture pic = qvariant_cast<QPicture>(format.property(PicturePropertyId));
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if (pic.isNull())
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return;
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QSize finalSize = pic.boundingRect().size();
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finalSize.scale(rect.size().toSize(), Qt::KeepAspectRatio);
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double scaleFactor = finalSize.width()/(double)pic.boundingRect().size().width();
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painter->save();
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painter->scale(scaleFactor, scaleFactor);
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painter->setClipRect(rect);
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painter->drawPicture(rect.topLeft(), pic);
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painter->restore();
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}
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QTextCharFormat QCPDocumentObject::generatePlotFormat(QCustomPlot *plot, int width, int height)
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{
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QPicture picture;
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QCPPainter qcpPainter;
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qcpPainter.begin(&picture);
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plot->toPainter(&qcpPainter, width, height);
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qcpPainter.end();
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QTextCharFormat result;
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result.setObjectType(QCPDocumentObject::PlotTextFormat);
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result.setProperty(QCPDocumentObject::PicturePropertyId, QVariant::fromValue(picture));
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return result;
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}
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