looqs/gui/previewworker.cpp

40 lines
1.1 KiB
C++

#include <QApplication>
#include <QScreen>
#include <QScopedPointer>
#include <QMutexLocker>
#include <QtConcurrent/QtConcurrent>
#include <QtConcurrent/QtConcurrentMap>
#include <atomic>
#include "previewworker.h"
PreviewWorker::PreviewWorker()
{
}
QFuture<QSharedPointer<PreviewResult>> PreviewWorker::generatePreviews(const QVector<SearchResult> paths,
QVector<QString> wordsToHighlight,
double scalefactor)
{
QVector<QSharedPointer<PreviewResult>> previews;
for(const SearchResult &sr : paths)
{
for(unsigned int page : sr.pages)
{
QSharedPointer<PreviewResult> ptr =
QSharedPointer<PreviewResult>(new PreviewResult{sr.fileData.absPath, page});
previews.append(ptr);
}
}
RenderConfig renderConfig;
renderConfig.scaleX = QGuiApplication::primaryScreen()->physicalDotsPerInchX() * scalefactor;
renderConfig.scaleY = QGuiApplication::primaryScreen()->physicalDotsPerInchY() * scalefactor;
renderConfig.wordsToHighlight = wordsToHighlight;
auto mapFunctor = new PreviewGeneratorMapFunctor();
mapFunctor->setRenderConfig(renderConfig);
return QtConcurrent::mapped(previews, *mapFunctor);
}