void ExportImageDialog::exportSvg(const QString &fileName)
{
SkyMap *map = m_KStars->map();
// export as SVG
QSvgGenerator svgGenerator;
svgGenerator.setFileName(fileName);
svgGenerator.setTitle(i18n("KStars Exported Sky Image"));
svgGenerator.setDescription(i18n("KStars Exported Sky Image"));
svgGenerator.setSize(QSize(map->width(), map->height()));
svgGenerator.setResolution(qMax(map->logicalDpiX(), map->logicalDpiY()));
svgGenerator.setViewBox(QRect(0, 0, map->width(), map->height()));
SkyQPainter painter(m_KStars, &svgGenerator);
painter.begin();
map->exportSkyImage(&painter);
if(m_DialogUI->addLegendCheckBox->isChecked())
{
addLegend(&painter);
}
painter.end();
}
void ExportImageDialog::exportRasterGraphics(const QString &fileName)
{
//Determine desired image format from filename extension
QString ext = fileName.mid(fileName.lastIndexOf(".") + 1);
// export as raster graphics
const char* format = "PNG";
if(ext.toLower() == "png") {format = "PNG";}
else if(ext.toLower() == "jpg" || ext.toLower() == "jpeg" ) { format = "JPG"; }
else if(ext.toLower() == "gif") { format = "GIF"; }
else if(ext.toLower() == "pnm") { format = "PNM"; }
else if(ext.toLower() == "bmp") { format = "BMP"; }
else
{
kWarning() << i18n("Could not parse image format of %1; assuming PNG.", fileName);
}
int width = m_Size.width();
int height = m_Size.height();
SkyMap *map = m_KStars->map();
QPixmap skyimage(map->width(), map->height());
QPixmap outimage(width, height);
outimage.fill();
map->exportSkyImage(&skyimage);
qApp->processEvents();
//skyImage is the size of the sky map. The requested image size is w x h.
//If w x h is smaller than the skymap, then we simply crop the image.
//If w x h is larger than the skymap, pad the skymap image with a white border.
if(width == map->width() && height == map->height())
{
outimage = skyimage.copy();
}
else
{
int dx(0), dy(0), sx(0), sy(0);
int sw(map->width()), sh(map->height());
if(width > map->width())
{
dx = (width - map->width())/2;
}
else
{
sx = (map->width() - width)/2;
sw = width;
}
if(height > map->height())
{
dy = (height - map->height())/2;
}
else
{
sy = (map->height() - height)/2;
sh = height;
}
QPainter p;
p.begin(&outimage);
p.fillRect(outimage.rect(), QBrush( Qt::white));
p.drawImage(dx, dy, skyimage.toImage(), sx, sy, sw, sh);
p.end();
}
if(m_DialogUI->addLegendCheckBox->isChecked())
{
addLegend(&outimage);
}
if(!outimage.save(fileName, format))
{
kDebug() << i18n("Error: Unable to save image: %1 ", fileName);
}
else
{
kDebug() << i18n("Image saved to file: %1", fileName);
}
}