bool writeTempImage(QString &tmpImgFilename, const QImage &image)
{
const int IMG_COMPRESSION = 9; // min:0, max:9
tmpImgFilename = QDir::tempPath() + QDir::separator() + "tmpLvkImg.png";
if (QFile::exists(tmpImgFilename) && !QFile::remove(tmpImgFilename)) {
qDebug() << "Could not remove temp file" << tmpImgFilename;
return false;
}
QImageWriter imgWriter(tmpImgFilename, QByteArray("png"));
imgWriter.setCompression(IMG_COMPRESSION);
imgWriter.write(image);
return true;
}
bool KSnapshotObject::saveImage( QIODevice *device, const QByteArray &format )
{
QImageWriter imgWriter( device, format );
if ( !imgWriter.canWrite() ) {
qDebug() << "Cannot write format " << format;
return false;
}
// For jpeg use 85% quality not the default
if ( 0 == qstricmp(format.constData(), "jpeg") || 0 == qstricmp(format.constData(), "jpg") ) {
imgWriter.setQuality( 85 );
}
if ( !title.isEmpty() )
imgWriter.setText( QObject::tr("Title"), title );
if ( !windowClass.isEmpty() )
imgWriter.setText( QObject::tr("Window Class"), windowClass );
QImage snap = snapshot.toImage();
return imgWriter.write( snap );
}