subsurface/qt-models/divesitepicturesmodel.cpp
Berthold Stoeger c73828d605 Simplify DivePictureModel
The code of DivePictureModel used a QHash to keep track of thumbnails.
Not only was the code rather complex - it also had the consequence that
pictures are sorted according to the hash function, i.e. seemingly
random.

This commit replaces the QHash by a simple QList which keeps track
of thumbnails and some meta-data.

Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
2017-12-10 15:00:53 +01:00

36 lines
882 B
C++

// SPDX-License-Identifier: GPL-2.0
#include "qt-models/divesitepicturesmodel.h"
#include "core/dive.h"
#include <stdint.h>
#include <QtConcurrent>
#include <QPixmap>
DiveSitePicturesModel* DiveSitePicturesModel::instance() {
static DiveSitePicturesModel *self = new DiveSitePicturesModel();
return self;
}
DiveSitePicturesModel::DiveSitePicturesModel() {
}
void DiveSitePicturesModel::updateDivePictures() {
beginResetModel();
pictures.clear();
endResetModel();
const uint32_t ds_uuid = displayed_dive_site.uuid;
struct dive *d;
int i;
for_each_dive (i, d)
if (d->dive_site_uuid == ds_uuid && dive_get_picture_count(d))
FOR_EACH_PICTURE(d)
pictures.push_back({picture, picture->filename, QImage(), picture->offset.seconds});
QtConcurrent::blockingMap(pictures, scaleImages);
beginInsertRows(QModelIndex(), 0, pictures.count() - 1);
endInsertRows();
}