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image viewer

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This commit is contained in:
Herwig Birke
2019-04-03 23:01:44 +02:00
parent a643810119
commit d6268527fa
6 changed files with 145 additions and 91 deletions
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cimageviewer.cpp
+35 -29
View File
@@ -1,60 +1,66 @@
#include "cimageviewer.h"
#include "ui_cimageviewer.h"
#include "cimage.h"
#include <QKeyEvent>
#include <QFile>
#include <QDebug>
cImageViewer::cImageViewer(QWidget *parent) :
QDialog(parent),
ui(new Ui::cImageViewer)
ui(new Ui::cImageViewer),
m_lpImage(nullptr)
{
ui->setupUi(this);
ui->m_lpImage->setSizePolicy(QSizePolicy::Ignored, QSizePolicy::Ignored);
// connect(ui->m_lpImage, &cLabel::imageNext, this, &cImageViewer::onImageNext);
// connect(ui->m_lpImage, &cLabel::imagePrev, this, &cImageViewer::onImagePrev);
// connect(ui->m_lpImage, &cLabel::imageFirst, this, &cImageViewer::onImageFirst);
// connect(ui->m_lpImage, &cLabel::imageLast, this, &cImageViewer::onImageLast);
connect(ui->m_lpImage, &cLabel::imageNext, this, &cImageViewer::onImageNext);
connect(ui->m_lpImage, &cLabel::imagePrev, this, &cImageViewer::onImagePrev);
connect(ui->m_lpImage, &cLabel::imageFirst, this, &cImageViewer::onImageFirst);
connect(ui->m_lpImage, &cLabel::imageLast, this, &cImageViewer::onImageLast);
}
cImageViewer::~cImageViewer()
{
if(m_lpImage)
delete m_lpImage;
delete ui;
}
void cImageViewer::setImage(cImage* lpImage)
void cImageViewer::setPicture(QString szNumber, QString szRootPath, cPicture* lpPicture)
{
ui->m_lpImage->setImage(lpImage);
QApplication::setOverrideCursor(Qt::WaitCursor);
setWindowFlag(Qt::Window);
showFullScreen();
if(m_lpImage)
delete m_lpImage;
ui->m_lpImage->setFocus();
}
QFile file(szRootPath + "/" + lpPicture->filePath() + "/" + lpPicture->fileName());
void cImageViewer::keyPressEvent(QKeyEvent* e)
{
switch(e->key())
if(!file.exists())
return;
m_lpImage = new cImage(file.fileName());
QApplication::restoreOverrideCursor();
if(m_lpImage->isNull())
{
case Qt::Key_Left:
emit imagePrev();
break;
case Qt::Key_Right:
emit imageNext();
break;
case Qt::Key_Home:
emit imageFirst();
break;
case Qt::Key_End:
emit imageLast();
break;
default:
break;
delete m_lpImage;
m_lpImage = nullptr;
return;
}
QDialog::keyPressEvent(e);
ui->m_lpImage->setImage(m_lpImage);
ui->m_lpFileName->setText(szNumber + " - " + lpPicture->filePath() + "/" + lpPicture->fileName());
setWindowFlag(Qt::Window);
showMaximized();
ui->m_lpImage->setFocus();
}
void cImageViewer::onImageNext()