PreviewImage PreviewManager::getPreviewImage(const PreviewProperties &properties) const
{
Loader::AutoPtr loader = Loader::create(properties.id_, image_);
DataBuf buf;
if (loader.get()) {
buf = loader->getData();
}
return PreviewImage(properties, buf);
}
MainWindow::MainWindow(QWidget * parent, Qt::WindowFlags flags) : QMainWindow(parent, flags)
{
preview = NULL;
setWindowTitle("ImageGlue");
setWindowIcon(QIcon(":/ImageGlue.png"));
setAcceptDrops(true);
//
QWidget* widget = new QWidget(this);
Q_CHECK_PTR(widget);
QGridLayout *gridLayout = new QGridLayout();
Q_CHECK_PTR(gridLayout);
gridLayout->setGeometry(geometry());
widget->setLayout(gridLayout);
setCentralWidget(widget);
QLabel *label1 = new QLabel();
Q_CHECK_PTR(label1);
label1->setText(tr("Images:"));
gridLayout->addWidget(label1, 0, 0);
list = new QListWidget();
Q_CHECK_PTR(list);
connect(list, SIGNAL(itemSelectionChanged()), this, SLOT(ListSelectionChanged()));
gridLayout->addWidget(list, 1, 0, 1, 3);
QPushButton *add = new QPushButton();
Q_CHECK_PTR(add);
add->setText(tr("Add"));
gridLayout->addWidget(add, 2, 0);
connect(add, SIGNAL(clicked()), this, SLOT(AddImage()));
fPreview = new QPushButton();
Q_CHECK_PTR(fPreview);
fPreview->setText(tr("Preview"));
fPreview->setEnabled(false);
gridLayout->addWidget(fPreview, 2, 1);
connect(fPreview, SIGNAL(clicked()), this, SLOT(PreviewImage()));
fRemove = new QPushButton();
Q_CHECK_PTR(fRemove);
fRemove->setText(tr("Remove"));
fRemove->setEnabled(false);
gridLayout->addWidget(fRemove, 2, 2);
connect(fRemove, SIGNAL(clicked()), this, SLOT(RemoveImage()));
LoadSettings();
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% W r i t e P R E V I E W I m a g e %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% WritePreviewImage creates several tiles each with a varying
% stength of an image enhancement function (e.g. gamma). The image is written
% in the MIFF format.
%
% The format of the WritePreviewImage method is:
%
% MagickBooleanType WritePreviewImage(const ImageInfo *image_info,
% Image *image,ExceptionInfo *exception)
%
% A description of each parameter follows.
%
% o image_info: the image info.
%
% o image: The image.
%
% o exception: return any errors or warnings in this structure.
%
*/
static MagickBooleanType WritePreviewImage(const ImageInfo *image_info,
Image *image,ExceptionInfo *exception)
{
Image
*preview_image;
ImageInfo
*write_info;
MagickBooleanType
status;
/*
Open output image file.
*/
assert(image_info != (const ImageInfo *) NULL);
assert(image_info->signature == MagickCoreSignature);
assert(image != (Image *) NULL);
assert(image->signature == MagickCoreSignature);
if (image->debug != MagickFalse)
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
preview_image=PreviewImage(image,image_info->preview_type,exception);
if (preview_image == (Image *) NULL)
return(MagickFalse);
(void) CopyMagickString(preview_image->filename,image_info->filename,
MagickPathExtent);
write_info=CloneImageInfo(image_info);
*write_info->magick='\0';
(void) SetImageInfo(write_info,1,exception);
if (LocaleCompare(write_info->magick,"PREVIEW") == 0)
(void) FormatLocaleString(preview_image->filename,MagickPathExtent,
"miff:%s",image_info->filename);
status=WriteImage(write_info,preview_image,exception);
preview_image=DestroyImage(preview_image);
write_info=DestroyImageInfo(write_info);
return(status);
}
