gui: PreviewGenerator*: Wrap PreviewResult in QSharedPointer

This commit is contained in:
Albert S. 2022-05-27 09:28:21 +02:00
parent 3e03fed1a2
commit ee18142e36
7 changed files with 21 additions and 21 deletions

View File

@ -9,7 +9,7 @@
class PreviewGenerator
{
public:
virtual PreviewResult *generate(RenderConfig config, QString documentPath, unsigned int page) = 0;
virtual QSharedPointer<PreviewResult> generate(RenderConfig config, QString documentPath, unsigned int page) = 0;
virtual ~PreviewGenerator()
{
}

View File

@ -10,16 +10,15 @@ void PreviewGeneratorMapFunctor::setRenderConfig(RenderConfig config)
this->renderConfig = config;
}
QSharedPointer<PreviewResult> PreviewGeneratorMapFunctor::operator()(const QSharedPointer<PreviewResult> &renderResult)
QByteArray PreviewGeneratorMapFunctor::operator()(const RenderTarget &renderTarget)
{
QFileInfo info{renderResult->getDocumentPath()};
QFileInfo info{renderTarget.path};
PreviewGenerator *previewGenerator = PreviewGenerator::get(info);
if(previewGenerator == nullptr)
{
return QSharedPointer<PreviewResult>();
return QByteArray{};
}
auto preview =
previewGenerator->generate(this->renderConfig, renderResult->getDocumentPath(), renderResult->getPage());
auto preview = previewGenerator->generate(this->renderConfig, renderTarget.path, renderTarget.page);
return QSharedPointer<PreviewResult>(preview);
return preview->serialize();
}

View File

@ -2,8 +2,9 @@
#define PREVIEWGENERATORMAPFUNCTOR_H
#include "renderconfig.h"
#include "previewgenerator.h"
#include "rendertarget.h"
#include "previewgenerator.h"
class PreviewGeneratorMapFunctor
{
@ -16,13 +17,13 @@ class PreviewGeneratorMapFunctor
RenderConfig renderConfig;
public:
typedef QSharedPointer<PreviewResult> result_type;
typedef QByteArray result_type;
PreviewGeneratorMapFunctor();
void setRenderConfig(RenderConfig config);
QSharedPointer<PreviewResult> operator()(const QSharedPointer<PreviewResult> &renderResult);
QByteArray operator()(const RenderTarget &renderTarget);
};
#endif // PREVIEWGENERATORMAPFUNCTOR_H

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@ -1,6 +1,5 @@
#include <QMutexLocker>
#include <QPainter>
#include "previewgeneratorpdf.h"
static QMutex cacheMutex;
@ -24,18 +23,18 @@ Poppler::Document *PreviewGeneratorPdf::document(QString path)
return result;
}
PreviewResult *PreviewGeneratorPdf::generate(RenderConfig config, QString documentPath, unsigned int page)
QSharedPointer<PreviewResult> PreviewGeneratorPdf::generate(RenderConfig config, QString documentPath,
unsigned int page)
{
PreviewResultPdf *result = new PreviewResultPdf(documentPath, page);
Poppler::Document *doc = document(documentPath);
if(doc == nullptr)
{
return result;
return QSharedPointer<PreviewResult>(result);
}
if(doc->isLocked())
{
return result;
return QSharedPointer<PreviewResult>(result);
}
int p = (int)page - 1;
if(p < 0)
@ -55,5 +54,5 @@ PreviewResult *PreviewGeneratorPdf::generate(RenderConfig config, QString docume
}
}
result->previewImage = img;
return result;
return QSharedPointer<PreviewResult>(result);
}

View File

@ -13,7 +13,7 @@ class PreviewGeneratorPdf : public PreviewGenerator
public:
using PreviewGenerator::PreviewGenerator;
PreviewResult *generate(RenderConfig config, QString documentPath, unsigned int page);
QSharedPointer<PreviewResult> generate(RenderConfig config, QString documentPath, unsigned int page);
~PreviewGeneratorPdf()
{

View File

@ -3,13 +3,14 @@
#include "previewgeneratorplaintext.h"
#include "previewresultplaintext.h"
PreviewResult *PreviewGeneratorPlainText::generate(RenderConfig config, QString documentPath, unsigned int page)
QSharedPointer<PreviewResult> PreviewGeneratorPlainText::generate(RenderConfig config, QString documentPath,
unsigned int page)
{
PreviewResultPlainText *result = new PreviewResultPlainText(documentPath, page);
QFile file(documentPath);
if(!file.open(QFile::ReadOnly | QFile::Text))
{
return result;
return QSharedPointer<PreviewResultPlainText>(result);
}
QTextStream in(&file);
@ -77,5 +78,5 @@ PreviewResult *PreviewGeneratorPlainText::generate(RenderConfig config, QString
header += "<hr>";
result->setText(header + resulText.replace("\n", "<br>"));
return result;
return QSharedPointer<PreviewResultPlainText>(result);
}

View File

@ -6,7 +6,7 @@ class PreviewGeneratorPlainText : public PreviewGenerator
{
public:
using PreviewGenerator::PreviewGenerator;
PreviewResult *generate(RenderConfig config, QString documentPath, unsigned int page);
QSharedPointer<PreviewResult> generate(RenderConfig config, QString documentPath, unsigned int page);
};
#endif // PREVIEWGENERATORPLAINTEXT_H