[TASK] Fix indentation.
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305df52433
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18807593c4
@ -42,8 +42,7 @@
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#include "imageviewer-qt4.h"
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int main(int argc, char *argv[])
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{
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int main(int argc, char *argv[]) {
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QApplication app(argc, argv);
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ImageViewer imageViewer;
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imageViewer.show();
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@ -40,24 +40,18 @@
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#include "imageviewer-qt4.h"
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ImageViewer::ImageViewer()
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{
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ImageViewer::ImageViewer() {
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image=NULL;
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startLogging();
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generateMainGui();
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renewLogging();
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generateControlPanels();
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createActions();
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createMenus();
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resize(1600, 600);
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}
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void ImageViewer::drawBlackLine()
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{
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void ImageViewer::drawBlackLine() {
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if(image!=NULL) {
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for(int i=0;i<std::min(image->width(),image->height());i++) {
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image->setPixel(i,i,0);
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@ -74,7 +68,7 @@ void ImageViewer::drawDiagonalCross() {
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int width = image->width();
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int height = image->height();
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for(int y=0; y<image->height(); y++) {
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image->setPixel((1.0*y/height)*width,y,color); //holy shit, ez gg!
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image->setPixel((1.0*y/height)*width,y,color);
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}
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}
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updateImageDisplay();
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@ -82,7 +76,6 @@ void ImageViewer::drawDiagonalCross() {
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renewLogging();
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}
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//Proxy-Method to actual algorithm
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void ImageViewer::drawRainbowCross() {
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drawRainbowCross(0);
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@ -123,16 +116,14 @@ void ImageViewer::acidTrippin() {
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/****************************************************************************************
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*
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* mit dieser Methode können sie sich pro Aufgabe ein Tab anlegen, in der die Ein-
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* Mit dieser Methode können sie sich pro Aufgabe ein Tab anlegen, in der die Ein-
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* stellungen per Slider, Button, Checkbox etc. gemacht werden und die zu implemen-
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* tierenden Algorithmen gestatet werden.
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* tierenden Algorithmen gestattet werden.
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*
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*****************************************************************************************/
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void ImageViewer::generateControlPanels()
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{
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void ImageViewer::generateControlPanels() {
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// first tab
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m_option_panel1 = new QWidget();
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m_option_layout1 = new QVBoxLayout();
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m_option_panel1->setLayout(m_option_layout1);
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@ -189,7 +180,7 @@ void ImageViewer::generateControlPanels()
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/****************************************************************************************
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*
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* ab hier kommen technische Details, die nicht notwenig für das Verständnis und die
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* Ab hier kommen technische Details, die nicht notwenig für das Verständnis und die
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* Bearbeitung sind.
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*
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*
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@ -211,26 +202,21 @@ void ImageViewer::renewLogging()
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QTextStream stream(&file); // Set the stream to read from myFile
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logBrowser->clear();
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while(!stream.atEnd()) {
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line = stream.readLine(); // this reads a line (QString) from the file
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logBrowser->append(line);
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}
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}
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void ImageViewer::updateImageDisplay()
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{
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void ImageViewer::updateImageDisplay() {
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imageLabel->setPixmap(QPixmap::fromImage(*image));
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}
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void ImageViewer::generateMainGui()
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{
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void ImageViewer::generateMainGui() {
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/* Tab widget */
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tabWidget = new QTabWidget(this);
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tabWidget->setObjectName("tabWidget");
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/* Center widget */
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centralwidget = new QWidget(this);
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centralwidget->setObjectName("centralwidget");
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@ -242,13 +228,10 @@ void ImageViewer::generateMainGui()
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imageLabel->setSizePolicy(QSizePolicy::Ignored, QSizePolicy::Ignored);
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imageLabel->setScaledContents(true);
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/* Center widget */
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scrollArea = new QScrollArea;
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scrollArea->setBackgroundRole(QPalette::Dark);
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scrollArea->setWidget(imageLabel);
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setCentralWidget(scrollArea);
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/* HBox layout */
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@ -268,8 +251,7 @@ void ImageViewer::generateMainGui()
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gLayout->setVerticalSpacing(50);
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}
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void ImageViewer::print()
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{
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void ImageViewer::print() {
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Q_ASSERT(imageLabel->pixmap());
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#if !defined(QT_NO_PRINTER) && !defined(QT_NO_PRINTDIALOG)
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QPrintDialog dialog(&printer, this);
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@ -285,46 +267,33 @@ void ImageViewer::print()
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#endif
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}
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void ImageViewer::open()
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{
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if(image!=NULL)
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{
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void ImageViewer::open() {
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if(image != NULL) {
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delete image;
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image = NULL;
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}
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QString fileName = QFileDialog::getOpenFileName(this,
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tr("Open File"), QDir::currentPath());
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QString fileName = QFileDialog::getOpenFileName(this, tr("Open File"), QDir::currentPath());
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if(!fileName.isEmpty()) {
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image = new QImage(fileName);
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if(image->isNull()) {
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QMessageBox::information(this, tr("Image Viewer"),
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tr("Cannot load %1.").arg(fileName));
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QMessageBox::information(this, tr("Image Viewer"), tr("Cannot load %1.").arg(fileName));
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return;
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}
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scaleFactor = 1.0;
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updateImageDisplay();
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printAct->setEnabled(true);
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fitToWindowAct->setEnabled(true);
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updateActions();
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if (!fitToWindowAct->isChecked())
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imageLabel->adjustSize();
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if(!fitToWindowAct->isChecked()) imageLabel->adjustSize();
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setWindowFilePath(fileName);
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logFile << "geladen: " << fileName.toStdString().c_str() << std::endl;
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renewLogging();
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}
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}
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void ImageViewer::resizeEvent(QResizeEvent * event)
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{
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void ImageViewer::resizeEvent(QResizeEvent* event) {
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QMainWindow::resizeEvent(event);
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centralwidget->setMinimumWidth(width());
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centralwidget->setMinimumHeight(height());
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@ -334,24 +303,20 @@ void ImageViewer::resizeEvent(QResizeEvent * event)
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logBrowser->setMaximumWidth(width()-40);
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}
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void ImageViewer::zoomIn()
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{
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void ImageViewer::zoomIn() {
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scaleImage(1.25);
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}
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void ImageViewer::zoomOut()
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{
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void ImageViewer::zoomOut() {
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scaleImage(0.8);
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}
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void ImageViewer::normalSize()
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{
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void ImageViewer::normalSize() {
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imageLabel->adjustSize();
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scaleFactor = 1.0;
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}
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void ImageViewer::fitToWindow()
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{
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void ImageViewer::fitToWindow() {
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bool fitToWindow = fitToWindowAct->isChecked();
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scrollArea->setWidgetResizable(fitToWindow);
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if(!fitToWindow) {
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@ -360,8 +325,7 @@ void ImageViewer::resizeEvent(QResizeEvent * event)
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updateActions();
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}
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void ImageViewer::about()
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{
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void ImageViewer::about() {
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QMessageBox::about(this, tr("About Image Viewer"),
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tr("<p>The <b>Image Viewer</b> example shows how to combine QLabel "
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"and QScrollArea to display an image. QLabel is typically used "
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@ -377,8 +341,7 @@ void ImageViewer::resizeEvent(QResizeEvent * event)
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"shows how to use QPainter to print an image.</p>"));
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}
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void ImageViewer::createActions()
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{
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void ImageViewer::createActions() {
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openAct = new QAction(tr("&Open..."), this);
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openAct->setShortcut(tr("Ctrl+O"));
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connect(openAct, SIGNAL(triggered()), this, SLOT(open()));
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@ -420,8 +383,7 @@ void ImageViewer::resizeEvent(QResizeEvent * event)
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connect(aboutQtAct, SIGNAL(triggered()), qApp, SLOT(aboutQt()));
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}
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void ImageViewer::createMenus()
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{
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void ImageViewer::createMenus() {
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fileMenu = new QMenu(tr("&File"), this);
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fileMenu->addAction(openAct);
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fileMenu->addAction(printAct);
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@ -444,15 +406,13 @@ void ImageViewer::resizeEvent(QResizeEvent * event)
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menuBar()->addMenu(helpMenu);
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}
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void ImageViewer::updateActions()
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{
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void ImageViewer::updateActions() {
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zoomInAct->setEnabled(!fitToWindowAct->isChecked());
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zoomOutAct->setEnabled(!fitToWindowAct->isChecked());
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normalSizeAct->setEnabled(!fitToWindowAct->isChecked());
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}
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void ImageViewer::scaleImage(double factor)
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{
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void ImageViewer::scaleImage(double factor) {
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Q_ASSERT(imageLabel->pixmap());
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scaleFactor *= factor;
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imageLabel->resize(scaleFactor * imageLabel->pixmap()->size());
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@ -464,8 +424,6 @@ void ImageViewer::resizeEvent(QResizeEvent * event)
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zoomOutAct->setEnabled(scaleFactor > 0.333);
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}
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void ImageViewer::adjustScrollBar(QScrollBar *scrollBar, double factor)
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{
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scrollBar->setValue(int(factor * scrollBar->value()
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+ ((factor - 1) * scrollBar->pageStep()/2)));
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void ImageViewer::adjustScrollBar(QScrollBar* scrollBar, double factor) {
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scrollBar->setValue(int(factor * scrollBar->value() + ((factor - 1) * scrollBar->pageStep()/2)));
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}
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@ -62,12 +62,10 @@ class QTabWidget;
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class QPushButton;
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class QSpinBox;
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class ImageViewer : public QMainWindow
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{
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class ImageViewer : public QMainWindow {
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Q_OBJECT
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private:
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// Beispiel für GUI Elemente
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QWidget* m_option_panel1;
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QVBoxLayout* m_option_layout1;
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@ -82,11 +80,9 @@ class QSpinBox;
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QSpinBox* spinbox1;
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// hier können weitere GUI Objekte hin wie Buttons Slider etc.
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QSlider* lineSlider;
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private slots:
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// Beispiel für einen Algorithmus
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void drawBlackLine();
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@ -103,20 +99,16 @@ class QSpinBox;
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void fitToWindow();
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void about();
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public:
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ImageViewer();
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bool loadFile(const QString &);
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void updateImageDisplay();
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protected:
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void resizeEvent(QResizeEvent * event);
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private:
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void drawRainbowCross(int h);
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// in diesen Beiden Methoden sind Änderungen nötig bzw. sie dienen als
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// Vorlage für eigene Methoden.
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void generateControlPanels();
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@ -141,8 +133,6 @@ protected:
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double scaleFactor;
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QImage* image;
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std::fstream logFile;
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#ifndef QT_NO_PRINTER
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@ -163,5 +153,4 @@ protected:
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QMenu *viewMenu;
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QMenu *helpMenu;
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};
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#endif
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