diff options
Diffstat (limited to 'src/export/pngexporter.cpp')
-rw-r--r-- | src/export/pngexporter.cpp | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/src/export/pngexporter.cpp b/src/export/pngexporter.cpp new file mode 100644 index 0000000..32716a5 --- /dev/null +++ b/src/export/pngexporter.cpp @@ -0,0 +1,49 @@ +// Copyright (C) 2009 Lukas Lalinsky +// +// This program is free software; you can redistribute it and/or modify +// it under the terms of the GNU General Public License as published by +// the Free Software Foundation; either version 2 of the License, or +// at your option) any later version. +// +// This program 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 General Public License for more details. +// +// You should have received a copy of the GNU General Public License along +// with this program; if not, write to the Free Software Foundation, Inc., +// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + +#include <QImage> +#include <QPainter> +#include <math.h> +#include "diagramdocument.h" +#include "pngexporter.h" + +QString +PNGExporter::name() const +{ + return "Portable Network Graphics"; +} + +QString +PNGExporter::extension() const +{ + return ".png"; +} + +void +PNGExporter::exportToFile(const QString &fileName, DiagramDocument *document) +{ + QRectF boundingRect = document->itemsBoundingRect().adjusted(-2, -2, 2, 2); + QSize size(int(ceil(boundingRect.width())), int(ceil(boundingRect.height()))); + + QImage image(size, QImage::Format_RGB32); + QPainter painter(&image); + painter.setRenderHints(QPainter::HighQualityAntialiasing | QPainter::Antialiasing); + painter.fillRect(image.rect(), Qt::white); + + renderDocument(&painter, document, image.rect(), boundingRect); + + image.convertToFormat(QImage::Format_Indexed8).save(fileName, "PNG"); +} |