std::unique_ptr<Image> fitImageTo(const std::unique_ptr<Image>& image, int w, int h)
{
int tw = image->getWidth();
int th = image->getHeight();
int pw = (w * image->getHeight()) / h;
int ph = (h * image->getWidth()) / w;
if (ph <= th)
{
auto middle_img = cropImage(image, 0, th/2 - ph/2, tw, ph);
return shrinkImage(middle_img, w);
}
auto middle_img = cropImage(image, tw/2 - pw/2, 0, pw, th);
return shrinkImage(middle_img, w);
}
void ThumbnailPicker::slotSetFromList( int i ) {
//Display image in preview pane
QPixmap pm;
pm = shrinkImage( PixList[i], 200, true ); //scale image
SelectedImageIndex = i;
ui->CurrentImage->setPixmap( pm );
ui->CurrentImage->update();
ui->EditButton->setEnabled( true );
*Image = PixList[i]->scaled( wid, ht, Qt::IgnoreAspectRatio, Qt::SmoothTransformation );
bImageFound = true;
}
void ThumbnailPicker::slotSetFromURL() {
//Attempt to load the specified URL
QUrl u = ui->ImageURLBox->url();
if ( u.isValid() ) {
if ( u.isLocalFile() ) {
QFile localFile( u.toLocalFile() );
//Add image to list
//If image is taller than desktop, rescale it.
QImage im( localFile.fileName() );
if ( im.isNull() ) {
KMessageBox::sorry( 0,
i18n("Failed to load image at %1", localFile.fileName() ),
i18n("Failed to load image") );
return;
}
uint w = im.width();
uint h = im.height();
uint pad = 0;/* FIXME later 4*marginHint() + 2*ui->SearchLabel->height() + actionButton( Ok )->height() + 25; */
uint hDesk = QApplication::desktop()->availableGeometry().height() - pad;
if ( h > hDesk )
im = im.scaled( w*hDesk/h, hDesk, Qt::IgnoreAspectRatio, Qt::SmoothTransformation );
//Add Image to top of list and 50x50 thumbnail image and URL to top of listbox
PixList.insert( 0, new QPixmap( QPixmap::fromImage( im ) ) );
ui->ImageList->insertItem( 0, new QListWidgetItem ( QIcon(shrinkImage( PixList.last(), 50 )), u.url() ));
//Select the new image
ui->ImageList->setCurrentRow( 0 );
slotSetFromList(0);
} else {
KIO::StoredTransferJob *j = KIO::storedGet( u, KIO::NoReload, KIO::HideProgressInfo );
j->setUiDelegate(0);
connect( j, SIGNAL( result(KJob*) ), SLOT( slotJobResult(KJob*) ) );
}
}
}
void ThumbnailPicker::slotJobResult( KJob *job ) {
KIO::StoredTransferJob *stjob = (KIO::StoredTransferJob*)job;
//Update Progressbar
if ( ! ui->SearchProgress->isHidden() ) {
ui->SearchProgress->setValue(ui->SearchProgress->value()+1);
if ( ui->SearchProgress->value() == ui->SearchProgress->maximum() ) {
ui->SearchProgress->hide();
ui->SearchLabel->setText( i18n( "Search results:" ) );
}
}
//If there was a problem, just return silently without adding image to list.
if ( job->error() ) {
qDebug() << " error=" << job->error();
job->kill();
return;
}
QPixmap *pm = new QPixmap();
pm->loadFromData( stjob->data() );
uint w = pm->width();
uint h = pm->height();
uint pad = 0; /*FIXME LATER 4* QDialogBase::marginHint() + 2*ui->SearchLabel->height() + QDialogBase::actionButton( QDialogBase::Ok )->height() + 25;*/
uint hDesk = QApplication::desktop()->availableGeometry().height() - pad;
if ( h > hDesk )
*pm = pm->scaled( w*hDesk/h, hDesk, Qt::IgnoreAspectRatio, Qt::SmoothTransformation );
PixList.append( pm );
//Add 50x50 image and URL to listbox
//ui->ImageList->insertItem( shrinkImage( PixList.last(), 50 ),
// cjob->srcURLs().first().prettyUrl() );
ui->ImageList->addItem( new QListWidgetItem ( QIcon(shrinkImage( PixList.last(), 50 )), stjob->url().url()));
}
