/* JPEGs get special treatment. libjpeg supports fast shrink-on-read,
* so if we have a JPEG, we can ask VIPS to load a lower resolution
* version.
*/
static int
thumbnail( const char *filename )
{
VipsFormatClass *format;
int shrink;
if( verbose )
printf( "thumbnailing %s\n", filename );
if( !(format = vips_format_for_file( filename )) )
return( -1 );
if( verbose )
printf( "detected format as %s\n",
VIPS_OBJECT_CLASS( format )->nickname );
shrink = 1;
if( strcmp( VIPS_OBJECT_CLASS( format )->nickname, "jpeg" ) == 0 ) {
IMAGE *im;
/* This will just read in the header and is quick.
*/
if( !(im = im_open( filename, "r" )) )
return( -1 );
shrink = calculate_shrink( im->Xsize, im->Ysize, NULL );
im_close( im );
if( shrink > 8 )
shrink = 8;
else if( shrink > 4 )
shrink = 4;
else if( shrink > 2 )
shrink = 2;
else
shrink = 1;
if( verbose )
printf( "using fast jpeg shrink, factor %d\n", shrink );
}
return( thumbnail2( filename, shrink ) );
}
void VersionInfo::init()
{
setMinimumSize(QSize(16,400));
QFont boldFont = this->font();
boldFont.setBold(true);
QDesktopWidget *desktop = QApplication::desktop();
double imageScale = ((double)desktop->availableGeometry(desktop->screenNumber(this)).width())/400.0;
if (imageScale > 1.0)
imageScale = 1.0;
int imageSize = (int)(55 * imageScale);
int finalSize = (int)(60 * imageScale);
QVBoxLayout *vBoxLayout = new QVBoxLayout(this);
vBoxLayout->setMargin( 0 );
vBoxLayout->setSpacing( 0 );
QGridLayout *gridLayout1 = new QGridLayout;
gridLayout1->setSpacing( 4 );
gridLayout1->setMargin( 0 );
gridLayout1->setColumnMinimumWidth(0, 20 );
QLabel *qtopiaLogo = new QLabel(this);
QThumbnail thumbnail(":image/qpe-logo");
qtopiaLogo->setPixmap(thumbnail.pixmap(QSize(imageSize, imageSize)));
qtopiaLogo->setFixedSize( finalSize, finalSize );
gridLayout1->addWidget(qtopiaLogo, 0, 0, 1, 1);
QVBoxLayout *vBoxLayout1 = new QVBoxLayout;
vBoxLayout1->setMargin( 0 );
vBoxLayout1->setSpacing( 3 );
QLabel *qtopiaName = new QLabel(this);
qtopiaName->setFont(boldFont);
qtopiaName->setText(tr("QtMoko"));
vBoxLayout1->addWidget(qtopiaName);
QLabel *qtopiaVersion = new QLabel(this);
qtopiaVersion->setWordWrap(true);
qtopiaVersion->setText(tr("Version:") + ' ' + Qtopia::version() + '\n' + tr("Qt version:") + ' ' + QT_VERSION_STR);
vBoxLayout1->addWidget(qtopiaVersion);
vBoxLayout1->addSpacing( 10 );
QLabel *qtopiaCopyright = new QLabel(this);
qtopiaCopyright->setText(tr( "Copyright \251 %1", "%1 = 'year'" ).arg(QT_EXTENDED_COPYRIGHT_YEAR));
vBoxLayout1->addWidget(qtopiaCopyright);
QLabel* qtopiaCopyright1 = new QLabel( this );
qtopiaCopyright1->setWordWrap( true );
qtopiaCopyright1->setText( QT_EXTENDED_COPYRIGHT_COMPANY );
vBoxLayout1->addWidget(qtopiaCopyright1);
vBoxLayout1->addSpacing( 10 );
QLabel *qtopiaBuild = new QLabel(this);
qtopiaBuild->setWordWrap( true );
QString builder( BUILDER );
int atIndex = builder.indexOf( QChar('@') );
int dotIndex = -1;
if ( atIndex >= 0 )
dotIndex = builder.indexOf( QChar('.'), atIndex );
if ( dotIndex >= 0 )
builder = builder.left( dotIndex );
qtopiaBuild->setText(tr("Built by\n%1", "%1 = name").arg(builder));
vBoxLayout1->addWidget(qtopiaBuild);
qtopiaBuild = new QLabel(this);
qtopiaBuild->setText(tr("Built on %1","1=date").arg(__DATE__));
vBoxLayout1->addWidget(qtopiaBuild);
QSpacerItem *spacerItem = new QSpacerItem(20, 10, QSizePolicy::Minimum, QSizePolicy::MinimumExpanding);
vBoxLayout1->addItem(spacerItem);
gridLayout1->addLayout(vBoxLayout1, 0, 1, 2, 1);
vBoxLayout->addLayout(gridLayout1);
QGridLayout *gridLayout2 = new QGridLayout;
gridLayout2->setColumnMinimumWidth(0, 20 );
gridLayout2->setSpacing( 4 );
gridLayout2->setMargin( 0 );
QLabel *linuxLogo = new QLabel(this);
QThumbnail thumbnail2(":image/tux-logo");
linuxLogo->setPixmap(thumbnail2.pixmap(QSize(imageSize, imageSize)));
linuxLogo->setFixedSize( finalSize, finalSize );
gridLayout2->addWidget(linuxLogo, 0, 0, 1, 1);
QVBoxLayout *vBoxLayout2 = new QVBoxLayout;
vBoxLayout2->setMargin( 0 );
vBoxLayout2->setSpacing( 3 );
QLabel *linuxName = new QLabel(this);
linuxName->setFont(boldFont);
linuxName->setText(tr("Linux Kernel"));
vBoxLayout2->addWidget(linuxName);
QString kernelVersionString;
QString compiledByString;
QFile file("/proc/version");
if(file.open(QFile::ReadOnly))
{
QTextStream t( &file );
QString v;
t >> v; t >> v; t >> v;
kernelVersionString = v.left( 20 );
t >> v;
compiledByString = v;
file.close();
}
