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ThumbsViewer.cpp
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ThumbsViewer.cpp
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/*
* Copyright (C) 2013-2014 Ofer Kashayov <oferkv@live.com>
* This file is part of Phototonic Image Viewer.
*
* Phototonic is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Phototonic is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Phototonic. If not, see <http://www.gnu.org/licenses/>.
*/
#include <QMimeDatabase>
#include <QProgressDialog>
#include <QRandomGenerator>
#include "ThumbsViewer.h"
#include "Phototonic.h"
#include "SmartCrop.h"
#define BATCH_SIZE 10
ThumbsViewer::ThumbsViewer(QWidget *parent, const std::shared_ptr<MetadataCache> &metadataCache) : QListView(parent) {
this->metadataCache = metadataCache;
Settings::thumbsBackgroundColor = Settings::appSettings->value(
Settings::optionThumbsBackgroundColor).value<QColor>();
Settings::thumbsTextColor = Settings::appSettings->value(Settings::optionThumbsTextColor).value<QColor>();
setThumbColors();
Settings::thumbsPagesReadCount = Settings::appSettings->value(Settings::optionThumbsPagesReadCount).toUInt();
thumbSize = Settings::appSettings->value(Settings::optionThumbsZoomLevel).toInt();
currentRow = 0;
setViewMode(QListView::IconMode);
setSelectionMode(QAbstractItemView::ExtendedSelection);
setResizeMode(QListView::Adjust);
setWordWrap(true);
setWrapping(true);
setDragEnabled(true);
setEditTriggers(QAbstractItemView::NoEditTriggers);
setUniformItemSizes(false);
// This is the default but set for clarity. Could make it configurable to use
// QAbstractItemView::ScrollPerPixel instead.
setVerticalScrollMode(QAbstractItemView::ScrollPerItem);
thumbsViewerModel = new QStandardItemModel(this);
thumbsViewerModel->setSortRole(SortRole);
setModel(thumbsViewerModel);
m_selectionChangedTimer.setInterval(10);
m_selectionChangedTimer.setSingleShot(true);
connect(&m_selectionChangedTimer, &QTimer::timeout, this, &ThumbsViewer::onSelectionChanged);
connect(this->selectionModel(), &QItemSelectionModel::selectionChanged, this, [=]() {
if (!m_selectionChangedTimer.isActive()) {
m_selectionChangedTimer.start();
}
});
m_loadThumbTimer.setInterval(10);
m_loadThumbTimer.setSingleShot(true);
connect(&m_loadThumbTimer, &QTimer::timeout, this, &ThumbsViewer::loadThumbsRange);
connect(this, SIGNAL(doubleClicked(
const QModelIndex &)), parent, SLOT(loadSelectedThumbImage(
const QModelIndex &)));
emptyImg.load(":/images/no_image.png");
phototonic = (Phototonic *) parent;
infoView = new InfoView(this);
imagePreview = new ImagePreview(this);
}
void ThumbsViewer::setThumbColors() {
QString backgroundColor = "background: rgb(%1, %2, %3); ";
backgroundColor = backgroundColor.arg(Settings::thumbsBackgroundColor.red())
.arg(Settings::thumbsBackgroundColor.green())
.arg(Settings::thumbsBackgroundColor.blue());
QString itemBackgroundColor = "background: rgba(%1, %2, %3, 0.5); ";
itemBackgroundColor = itemBackgroundColor.arg(Settings::thumbsBackgroundColor.red())
.arg(Settings::thumbsBackgroundColor.green())
.arg(Settings::thumbsBackgroundColor.blue());
QString backgroundRepeat;
if (!Settings::thumbsRepeatBackgroundImage) {
backgroundRepeat =
" background-repeat: no-repeat; "
" background-position: center; ";
}
QColor background = Settings::thumbsLayout == Squares ? Qt::transparent : Settings::thumbsBackgroundColor;
QString styleSheet =
"QListView { "
" background: " + background.name(QColor::HexRgb) + ";"
" background-image: url(" + Settings::thumbsBackgroundImage + ");"
" background-attachment: fixed; " +
backgroundRepeat +
"} ";
if (Settings::thumbsLayout != Squares) {
if (!Settings::thumbsBackgroundImage.isEmpty()) {
styleSheet +=
"QListView::item { "
" background: " + background.name(QColor::HexArgb) + ";"
" color: " + Settings::thumbsTextColor.name(QColor::HexRgb) + ";"
"}"
"QListView::item:selected { "
" background: " + background.name(QColor::HexRgb) + ";"
"}"
;
}
}
setStyleSheet(styleSheet);
QPalette scrollBarOriginalPalette = verticalScrollBar()->palette();
QPalette thumbViewerOriginalPalette = palette();
thumbViewerOriginalPalette.setColor(QPalette::Text, Settings::thumbsTextColor);
setPalette(thumbViewerOriginalPalette);
verticalScrollBar()->setPalette(scrollBarOriginalPalette);
}
void ThumbsViewer::selectCurrentIndex() {
if (currentIndex.isValid() && thumbsViewerModel->rowCount() > 0) {
scrollTo(currentIndex);
setCurrentIndex(currentIndex);
}
}
QString ThumbsViewer::getSingleSelectionFilename() {
if (selectionModel()->selectedIndexes().size() == 1)
return thumbsViewerModel->item(selectionModel()->selectedIndexes().first().row())->data(
FileNameRole).toString();
return ("");
}
int ThumbsViewer::getNextRow() {
if (currentRow == thumbsViewerModel->rowCount() - 1) {
return -1;
}
return currentRow + 1;
}
int ThumbsViewer::getPrevRow() {
if (currentRow == 0) {
return -1;
}
return currentRow - 1;
}
int ThumbsViewer::getLastRow() {
return thumbsViewerModel->rowCount() - 1;
}
int ThumbsViewer::getRandomRow() {
return QRandomGenerator::global()->bounded(thumbsViewerModel->rowCount());
}
int ThumbsViewer::getCurrentRow() {
return currentRow;
}
void ThumbsViewer::setCurrentRow(int row) {
if (row >= 0) {
currentRow = row;
} else {
currentRow = 0;
}
}
void ThumbsViewer::setImageViewerWindowTitle() {
QString title = thumbsViewerModel->item(currentRow)->data(Qt::DisplayRole).toString()
+ " - ["
+ QString::number(currentRow + 1)
+ "/"
+ QString::number(thumbsViewerModel->rowCount())
+ "] - Phototonic";
phototonic->setWindowTitle(title);
}
bool ThumbsViewer::setCurrentIndexByName(QString &fileName) {
QModelIndexList indexList = thumbsViewerModel->match(thumbsViewerModel->index(0, 0), FileNameRole, fileName);
if (indexList.size()) {
currentIndex = indexList[0];
setCurrentRow(currentIndex.row());
return true;
}
return false;
}
bool ThumbsViewer::setCurrentIndexByRow(int row) {
QModelIndex idx = thumbsViewerModel->indexFromItem(thumbsViewerModel->item(row));
if (idx.isValid()) {
currentIndex = idx;
setCurrentRow(idx.row());
return true;
}
return false;
}
void ThumbsViewer::updateImageInfoViewer(int row) {
QString imageFullPath = thumbsViewerModel->item(row)->data(FileNameRole).toString();
QImageReader imageInfoReader(imageFullPath);
QString key;
QString val;
QFileInfo imageInfo = QFileInfo(imageFullPath);
infoView->addTitleEntry(tr("Image"));
key = tr("File name");
val = imageInfo.fileName();
infoView->addEntry(key, val);
key = tr("Location");
val = imageInfo.path();
infoView->addEntry(key, val);
key = tr("Size");
val = QString::number(imageInfo.size() / 1024.0, 'f', 2) + "K";
infoView->addEntry(key, val);
key = tr("Modified");
val = imageInfo.lastModified().toString(Qt::SystemLocaleShortDate);
infoView->addEntry(key, val);
if (imageInfoReader.size().isValid()) {
key = tr("Format");
val = imageInfoReader.format().toUpper();
infoView->addEntry(key, val);
key = tr("Resolution");
val = QString::number(imageInfoReader.size().width())
+ "x"
+ QString::number(imageInfoReader.size().height());
infoView->addEntry(key, val);
key = tr("Megapixel");
val = QString::number((imageInfoReader.size().width() * imageInfoReader.size().height()) / 1000000.0, 'f',
2);
infoView->addEntry(key, val);
key = tr("Average brightness");
val = QString::number(thumbsViewerModel->item(row)->data(BrightnessRole).toReal(), 'f', 2);
infoView->addEntry(key, val);
} else {
imageInfoReader.read();
key = tr("Error");
val = imageInfoReader.errorString();
infoView->addEntry(key, val);
}
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wdeprecated-declarations"
#if EXIV2_TEST_VERSION(0,28,0)
Exiv2::Image::UniquePtr exifImage;
#else
Exiv2::Image::AutoPtr exifImage;
#endif
#pragma clang diagnostic pop
try {
exifImage = Exiv2::ImageFactory::open(imageFullPath.toStdString());
exifImage->readMetadata();
}
catch (const Exiv2::Error &error) {
qWarning() << "EXIV2:" << error.what();
return;
}
Exiv2::ExifData &exifData = exifImage->exifData();
if (!exifData.empty()) {
Exiv2::ExifData::const_iterator end = exifData.end();
infoView->addTitleEntry("Exif");
for (Exiv2::ExifData::const_iterator md = exifData.begin(); md != end; ++md) {
key = QString::fromUtf8(md->tagName().c_str());
val = QString::fromUtf8(md->print().c_str());
infoView->addEntry(key, val);
}
}
Exiv2::IptcData &iptcData = exifImage->iptcData();
if (!iptcData.empty()) {
Exiv2::IptcData::iterator end = iptcData.end();
infoView->addTitleEntry("IPTC");
for (Exiv2::IptcData::iterator md = iptcData.begin(); md != end; ++md) {
key = QString::fromUtf8(md->tagName().c_str());
val = QString::fromUtf8(md->print().c_str());
infoView->addEntry(key, val);
}
}
Exiv2::XmpData &xmpData = exifImage->xmpData();
if (!xmpData.empty()) {
Exiv2::XmpData::iterator end = xmpData.end();
infoView->addTitleEntry("XMP");
for (Exiv2::XmpData::iterator md = xmpData.begin(); md != end; ++md) {
key = QString::fromUtf8(md->tagName().c_str());
val = QString::fromUtf8(md->print().c_str());
infoView->addEntry(key, val);
}
}
}
void ThumbsViewer::onSelectionChanged() {
infoView->clear();
imagePreview->clear();
if (Settings::setWindowIcon && Settings::layoutMode == Phototonic::ThumbViewWidget) {
phototonic->setWindowIcon(phototonic->getDefaultWindowIcon());
}
QModelIndexList indexesList = selectionModel()->selectedIndexes();
int selectedThumbs = indexesList.size();
if (selectedThumbs > 0) {
int currentRow = indexesList.first().row();
QString thumbFullPath = thumbsViewerModel->item(currentRow)->data(FileNameRole).toString();
setCurrentRow(currentRow);
if (infoView->isVisible()) {
updateImageInfoViewer(currentRow);
}
QPixmap imagePreviewPixmap = imagePreview->loadImage(thumbFullPath);
if (Settings::setWindowIcon && Settings::layoutMode == Phototonic::ThumbViewWidget) {
phototonic->setWindowIcon(imagePreviewPixmap.scaled(WINDOW_ICON_SIZE, WINDOW_ICON_SIZE,
Qt::KeepAspectRatio, Qt::SmoothTransformation));
}
}
if (imageTags->isVisible() && imageTags->currentDisplayMode == SelectionTagsDisplay) {
imageTags->showSelectedImagesTags();
}
if (selectedThumbs >= 1) {
QString statusStr;
statusStr = tr("Selected %1 of %2").arg(QString::number(selectedThumbs))
.arg(tr(" %n image(s)", "", thumbsViewerModel->rowCount()));
phototonic->setStatus(statusStr);
} else if (!selectedThumbs) {
updateThumbsCount();
}
}
QStringList ThumbsViewer::getSelectedThumbsList() {
QModelIndexList indexesList = selectionModel()->selectedIndexes();
QStringList SelectedThumbsPaths;
for (int tn = indexesList.size() - 1; tn >= 0; --tn) {
SelectedThumbsPaths << thumbsViewerModel->item(indexesList[tn].row())->data(FileNameRole).toString();
}
return SelectedThumbsPaths;
}
void ThumbsViewer::startDrag(Qt::DropActions) {
QModelIndexList indexesList = selectionModel()->selectedIndexes();
if (indexesList.isEmpty()) {
return;
}
QDrag *drag = new QDrag(this);
QMimeData *mimeData = new QMimeData;
QList<QUrl> urls;
for (QModelIndexList::const_iterator it = indexesList.constBegin(),
end = indexesList.constEnd(); it != end; ++it) {
urls << QUrl::fromLocalFile(thumbsViewerModel->item(it->row())->data(FileNameRole).toString());
}
mimeData->setUrls(urls);
drag->setMimeData(mimeData);
QPixmap pix;
if (indexesList.count() > 1) {
pix = QPixmap(128, 112);
pix.fill(Qt::transparent);
QPainter painter(&pix);
painter.setBrush(Qt::NoBrush);
painter.setPen(QPen(Qt::white, 2));
int x = 0, y = 0, xMax = 0, yMax = 0;
for (int i = 0; i < qMin(5, indexesList.count()); ++i) {
QPixmap pix = thumbsViewerModel->item(indexesList.at(i).row())->icon().pixmap(72);
if (i == 4) {
x = (xMax - pix.width()) / 2;
y = (yMax - pix.height()) / 2;
}
painter.drawPixmap(x, y, pix);
xMax = qMax(xMax, qMin(128, x + pix.width()));
yMax = qMax(yMax, qMin(112, y + pix.height()));
painter.drawRect(x + 1, y + 1, qMin(126, pix.width() - 2), qMin(110, pix.height() - 2));
x = !(x == y) * 56;
y = !y * 40;
}
painter.end();
pix = pix.copy(0, 0, xMax, yMax);
drag->setPixmap(pix);
} else {
pix = thumbsViewerModel->item(indexesList.at(0).row())->icon().pixmap(128);
drag->setPixmap(pix);
}
drag->setHotSpot(QPoint(pix.width() / 2, pix.height() / 2));
drag->exec(Qt::CopyAction | Qt::MoveAction | Qt::LinkAction, Qt::IgnoreAction);
}
void ThumbsViewer::abort(bool permanent) {
isAbortThumbsLoading = true;
if (!isClosing && permanent) {
isClosing = true;
}
}
void ThumbsViewer::loadVisibleThumbs(int scrollBarValue) {
// Hack:
// when a paint even is requested Qt first calls updateGeometry() on
// everything.
// qscrollbar emits valueChanged() in its updateGeometry(), leading to us
// possibly recursing when calling processEvents.
static bool processing = false;
if (processing) {
return;
}
processing = true;
static int lastScrollBarValue = 0;
if (scrollBarValue >= 0) {
scrolledForward = (scrollBarValue >= lastScrollBarValue);
lastScrollBarValue = scrollBarValue;
} else {
loadThumbsRange();
processing = false;
return;
}
for (;;) {
int firstVisible = getFirstVisibleThumb();
int lastVisible = getLastVisibleThumb();
if (isAbortThumbsLoading || firstVisible < 0 || lastVisible < 0) {
processing = false;
return;
}
if (scrolledForward) {
lastVisible += ((lastVisible - firstVisible) * (Settings::thumbsPagesReadCount + 1));
if (lastVisible >= thumbsViewerModel->rowCount()) {
lastVisible = thumbsViewerModel->rowCount() - 1;
}
} else {
firstVisible -= (lastVisible - firstVisible) * (Settings::thumbsPagesReadCount + 1);
if (firstVisible < 0) {
firstVisible = 0;
}
lastVisible += 10;
if (lastVisible >= thumbsViewerModel->rowCount()) {
lastVisible = thumbsViewerModel->rowCount() - 1;
}
}
if (thumbsRangeFirst == firstVisible && thumbsRangeLast == lastVisible) {
processing = false;
return;
}
thumbsRangeFirst = firstVisible;
thumbsRangeLast = lastVisible;
loadThumbsRange();
if (isAbortThumbsLoading) {
processing = false;
break;
}
}
processing = false;
}
int ThumbsViewer::getFirstVisibleThumb() {
QModelIndex idx;
for (int currThumb = 0; currThumb < thumbsViewerModel->rowCount(); ++currThumb) {
idx = thumbsViewerModel->indexFromItem(thumbsViewerModel->item(currThumb));
if (viewport()->rect().contains(QPoint(0, visualRect(idx).y() + visualRect(idx).height() + 1))) {
return idx.row();
}
}
return -1;
}
int ThumbsViewer::getLastVisibleThumb() {
QModelIndex idx;
for (int currThumb = thumbsViewerModel->rowCount() - 1; currThumb >= 0; --currThumb) {
idx = thumbsViewerModel->indexFromItem(thumbsViewerModel->item(currThumb));
if (viewport()->rect().contains(QPoint(0, visualRect(idx).y() + visualRect(idx).height() + 1))) {
return idx.row();
}
}
return -1;
}
void ThumbsViewer::loadFileList() {
for (int i = 0; i < Settings::filesList.size(); i++) {
addThumb(Settings::filesList[i]);
}
updateThumbsCount();
imageTags->populateTagsTree();
if (thumbFileInfoList.size() && selectionModel()->selectedIndexes().size() == 0) {
selectThumbByRow(0);
}
phototonic->showBusyAnimation(false);
isBusy = false;
}
void ThumbsViewer::reLoad() {
disconnect(verticalScrollBar(), &QScrollBar::valueChanged, this, &ThumbsViewer::loadVisibleThumbs);
isBusy = true;
phototonic->showBusyAnimation(true);
loadPrepare();
if (Settings::isFileListLoaded) {
loadFileList();
return;
}
applyFilter();
initThumbs();
updateThumbsCount();
loadVisibleThumbs();
if (Settings::includeSubDirectories) {
loadSubDirectories();
}
phototonic->showBusyAnimation(false);
isBusy = false;
connect(verticalScrollBar(), &QScrollBar::valueChanged, this, &ThumbsViewer::loadVisibleThumbs);
}
void ThumbsViewer::loadSubDirectories() {
QDirIterator dirIterator(Settings::currentDirectory, QDirIterator::Subdirectories);
int processed = 0;
while (dirIterator.hasNext()) {
dirIterator.next();
if (dirIterator.fileInfo().isDir() && dirIterator.fileName() != "." && dirIterator.fileName() != "..") {
thumbsDir.setPath(dirIterator.filePath());
initThumbs();
updateThumbsCount();
loadVisibleThumbs();
if (isAbortThumbsLoading) {
return;
}
}
if (++processed > BATCH_SIZE) {
QApplication::processEvents();
processed = 0;
}
}
onSelectionChanged();
}
void ThumbsViewer::applyFilter() {
fileFilters.clear();
QString textFilter("*");
textFilter += filterString;
// Get all patterns supported by QImageReader
static QStringList imageTypeGlobs;
// Not threadsafe, but whatever
if (imageTypeGlobs.isEmpty()) {
QMimeDatabase db;
for (const QByteArray &type : QImageReader::supportedMimeTypes()) {
imageTypeGlobs.append(db.mimeTypeForName(type).globPatterns());
}
}
for (const QString &glob : imageTypeGlobs) {
fileFilters.append(textFilter + glob);
}
thumbsDir.setNameFilters(fileFilters);
thumbsDir.setFilter(QDir::Files);
if (Settings::showHiddenFiles) {
thumbsDir.setFilter(thumbsDir.filter() | QDir::Hidden);
}
thumbsDir.setPath(Settings::currentDirectory);
QDir::SortFlags tempThumbsSortFlags = thumbsSortFlags;
if (tempThumbsSortFlags & QDir::Size || tempThumbsSortFlags & QDir::Time) {
tempThumbsSortFlags ^= QDir::Reversed;
}
if (thumbsSortFlags & QDir::Time || thumbsSortFlags & QDir::Size || thumbsSortFlags & QDir::Type) {
thumbsDir.setSorting(tempThumbsSortFlags);
} else { // by name
thumbsDir.setSorting(QDir::NoSort);
}
}
QSize ThumbsViewer::itemSizeHint() const
{
switch(Settings::thumbsLayout) {
case Squares:
return QSize(thumbSize, thumbSize);
case Compact:
return QSize(thumbSize, thumbSize + ((int) (QFontMetrics(font()).height() * 2.5)));
case Classic:
return QSize(thumbSize, thumbSize + ((int) (QFontMetrics(font()).height() * 1.5)));
default:
qWarning() << "Invalid thumbs layout" << Settings::thumbsLayout;
return QSize(thumbSize, thumbSize);
}
}
void ThumbsViewer::loadPrepare() {
thumbsViewerModel->clear();
setIconSize(QSize(thumbSize, thumbSize));
if (Settings::thumbsLayout == Squares) {
setSpacing(0);
setUniformItemSizes(true);
setGridSize(itemSizeHint());
} else if (Settings::thumbsLayout == Compact) {
setSpacing(0);
setUniformItemSizes(false);
setGridSize(itemSizeHint());
} else {
setSpacing(QFontMetrics(font()).height());
setUniformItemSizes(false);
setGridSize(QSize());
}
if (isNeedToScroll) {
scrollToTop();
}
if (!isClosing) {
isAbortThumbsLoading = false;
}
thumbsRangeFirst = -1;
thumbsRangeLast = -1;
imageTags->resetTagsState();
}
void ThumbsViewer::loadDuplicates()
{
isBusy = true;
phototonic->showBusyAnimation(true);
loadPrepare();
phototonic->setStatus(tr("Searching duplicate images..."));
dupImageHashes.clear();
findDupes(true);
thumbsViewerModel->setSortRole(SortRole);
if (Settings::includeSubDirectories) {
int processed = 0;
QDirIterator iterator(Settings::currentDirectory, QDirIterator::Subdirectories);
while (iterator.hasNext()) {
iterator.next();
if (iterator.fileInfo().isDir() && iterator.fileName() != "." && iterator.fileName() != "..") {
thumbsDir.setPath(iterator.filePath());
findDupes(false);
if (isAbortThumbsLoading) {
goto finish;
}
}
if (++processed > BATCH_SIZE) {
QApplication::processEvents();
processed = 0;
}
}
}
finish:
thumbsViewerModel->sort(0);
isBusy = false;
phototonic->showBusyAnimation(false);
return;
}
void ThumbsViewer::initThumbs() {
phototonic->showBusyAnimation(true);
thumbFileInfoList = thumbsDir.entryInfoList();
if (!(thumbsSortFlags & QDir::Time) && !(thumbsSortFlags & QDir::Size) && !(thumbsSortFlags & QDir::Type)) {
QCollator collator;
if (thumbsSortFlags & QDir::IgnoreCase) {
collator.setCaseSensitivity(Qt::CaseInsensitive);
}
collator.setNumericMode(true);
if (thumbsSortFlags & QDir::Reversed) {
std::sort(thumbFileInfoList.begin(), thumbFileInfoList.end(), [&](const QFileInfo &a, const QFileInfo &b) {
return collator.compare(a.fileName(), b.fileName()) > 0;
});
} else {
std::sort(thumbFileInfoList.begin(), thumbFileInfoList.end(), [&](const QFileInfo &a, const QFileInfo &b) {
return collator.compare(a.fileName(), b.fileName()) < 0;
});
}
}
static QStandardItem *thumbItem;
static int fileIndex;
static QPixmap emptyPixMap;
static QSize hintSize;
int processed = 0;
emptyPixMap = emptyImg.scaled(thumbSize, thumbSize);
hintSize = itemSizeHint();
for (fileIndex = 0; fileIndex < thumbFileInfoList.size(); ++fileIndex) {
thumbFileInfo = thumbFileInfoList.at(fileIndex);
metadataCache->loadImageMetadata(thumbFileInfo.filePath());
if (imageTags->dirFilteringActive && imageTags->isImageFilteredOut(thumbFileInfo.filePath())) {
continue;
}
thumbItem = new QStandardItem();
thumbItem->setData(false, LoadedRole);
thumbItem->setData(fileIndex, SortRole);
thumbItem->setData(thumbFileInfo.size(), SizeRole);
thumbItem->setData(thumbFileInfo.suffix(), TypeRole);
thumbItem->setData(thumbFileInfo.lastModified(), TimeRole);
thumbItem->setData(thumbFileInfo.filePath(), FileNameRole);
thumbItem->setSizeHint(hintSize);
if (Settings::thumbsLayout != Squares) {
thumbItem->setTextAlignment(Qt::AlignTop | Qt::AlignHCenter);
thumbItem->setText(thumbFileInfo.fileName());
}
thumbsViewerModel->appendRow(thumbItem);
if (++processed > BATCH_SIZE) {
QApplication::processEvents();
processed = 0;
}
}
imageTags->populateTagsTree();
if (thumbFileInfoList.size() && selectionModel()->selectedIndexes().size() == 0) {
selectThumbByRow(0);
}
phototonic->showBusyAnimation(false);
}
void ThumbsViewer::updateThumbsCount() {
QString state;
if (thumbsViewerModel->rowCount() > 0) {
state = tr("%n image(s)", "", thumbsViewerModel->rowCount());
} else {
state = tr("No images");
}
thumbsDir.setPath(Settings::currentDirectory);
phototonic->setStatus(state);
}
void ThumbsViewer::selectThumbByRow(int row) {
setCurrentIndexByRow(row);
selectCurrentIndex();
}
void ThumbsViewer::updateFoundDupesState(int duplicates, int filesScanned, int originalImages)
{
QString state;
state = tr("Scanned %1, displaying %2 (%3 and %4)")
.arg(tr("%n image(s)", "", filesScanned))
.arg(tr("%n image(s)", "", originalImages + duplicates))
.arg(tr("%n original(s)", "", originalImages))
.arg(tr("%n duplicate(s)", "", duplicates));
phototonic->setStatus(state);
}
void ThumbsViewer::findDupes(bool resetCounters)
{
thumbFileInfoList = thumbsDir.entryInfoList();
static int originalImages;
static int foundDups;
static int totalFiles;
if (resetCounters) {
originalImages = totalFiles = foundDups = 0;
}
int processed = 0;
for (int currThumb = 0; currThumb < thumbFileInfoList.size(); ++currThumb) {
if (++processed > BATCH_SIZE) {
thumbsViewerModel->sort(0);
QApplication::processEvents();
processed = 0;
}
thumbFileInfo = thumbFileInfoList.at(currThumb);
QImage image = QImage(thumbFileInfo.absoluteFilePath());
if (image.isNull()) {
qWarning() << "invalid image" << thumbFileInfo.fileName();
continue;
}
QBitArray imageHash(64);
image = image.convertToFormat(QImage::Format_Grayscale8).scaled(9, 9, Qt::KeepAspectRatioByExpanding);
for (int y=0; y<8; y++) {
const uchar *line = image.scanLine(y);
//const uchar *nextLine = image.scanLine(y+1);
for (int x=0; x<8; x++) {
imageHash.setBit(y * 8 + x, line[x] > line[x+1]);
//imageHash.setBit(y * 8 + x + 64, line[x] > nextLine[x]);
}
}
QString currentFilePath = thumbFileInfo.filePath();
totalFiles++;
if (dupImageHashes.contains(imageHash)) {
QStandardItem *item = nullptr;
if (dupImageHashes[imageHash].duplicates < 1) {
item = addThumb(dupImageHashes[imageHash].filePath);
if (item) {
item->setData(dupImageHashes[imageHash].id, SortRole);
}
originalImages++;
}
foundDups++;
dupImageHashes[imageHash].duplicates++;
item = addThumb(currentFilePath);
if (item) {
item->setData(dupImageHashes[imageHash].id, SortRole);
}
} else {
DuplicateImage dupImage;
dupImage.filePath = currentFilePath;
dupImage.duplicates = 0;
dupImage.id = dupImageHashes.count();
dupImageHashes.insert(imageHash, dupImage);
}
updateFoundDupesState(foundDups, totalFiles, originalImages);
if (isAbortThumbsLoading) {
break;
}
}
updateFoundDupesState(foundDups, totalFiles, originalImages);
}
void ThumbsViewer::selectByBrightness(qreal min, qreal max) {
loadAllThumbs();
QItemSelection sel;
for (int row = 0; row < thumbsViewerModel->rowCount(); ++row) {
QModelIndex idx = thumbsViewerModel->index(row, 0);
QVariant brightness = thumbsViewerModel->data(idx, BrightnessRole);
if (brightness.isValid()) {
qreal val = brightness.toReal();
if (val >= min && val <= max)
sel.select(idx, idx);
}
}
selectionModel()->select(sel, QItemSelectionModel::ClearAndSelect);
}
void ThumbsViewer::loadAllThumbs() {
QProgressDialog progress(tr("Loading thumbnails..."), tr("Abort"), 0, thumbFileInfoList.count(), this);
int processed = 0;
for (int i = 0; i < thumbFileInfoList.count(); ++i) {
progress.setValue(i);
if (progress.wasCanceled())
break;
if (thumbsViewerModel->item(i)->data(LoadedRole).toBool())
continue;
loadThumb(i);
if (isAbortThumbsLoading) {
break;
}
if (++processed > BATCH_SIZE) {
QApplication::processEvents();
processed = 0;
}
}
}
static Histogram calcHist(const QImage &img)
{
Histogram hist;
if (img.isNull()) {
qWarning() << "Invalid file";
return hist;
}
const QImage image = img.scaled(256, 256).convertToFormat(QImage::Format_RGB888);
for (int y=0; y<image.height(); y++) {
const uchar *line = image.scanLine(y);
for (int x=0; x<image.width(); x++) {
const int index = x * 3;
hist.red[line[index + 0]] += 1.f;
hist.green[line[index + 1]] += 1.f;
hist.blue[line[index + 2]] += 1.f;
}
}
return hist;
}
static Histogram calcHist(const QString &filePath) {
QImageReader reader(filePath);
reader.setScaledSize(QSize(256, 256));
reader.setAutoTransform(false);
QImage image = reader.read();
if (image.isNull()) {
qWarning() << "Invalid file" << filePath << reader.errorString();
return {};
}
return calcHist(image);
}
void ThumbsViewer::sortBySimilarity() {
QProgressDialog progress(tr("Loading..."), tr("Abort"), 0, thumbFileInfoList.count(), this);
progress.show();
QApplication::processEvents();
int processed = 0;
for (int i = 0; i < thumbFileInfoList.count(); ++i) {
QStandardItem *item = thumbsViewerModel->item(i);
Q_ASSERT(item);
if (!item) {
continue;
}
const QString filename = item->data(FileNameRole).toString();
if (histFiles.contains(filename)) {
continue;
}
histograms.append(calcHist(filename));
histFiles.append(filename);
if (++processed > BATCH_SIZE) {
processed = 0;
progress.setValue(i);
QApplication::processEvents();
if (progress.wasCanceled()) {
return;
}
}
}
progress.setLabelText(tr("Comparing..."));
progress.setValue(0);
for (int i=0; i<histFiles.size() - 1; i++) {
float minScore = std::numeric_limits<float>::max();
int minIndex = i+1;
for (int j=i+1; j<histFiles.size(); j++) {
const float score = histograms[i].compare(histograms[j]);
if (score > minScore) {
continue;
}
minIndex = j;
minScore = score;
processed++;
}
std::swap(histFiles[i+1], histFiles[minIndex]);