[TASK] Initial import.
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ea6cd5f8c1
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imageviewer-qt4
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log.txt
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Makefile
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*~
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*.o
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moc_*
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/****************************************************************************
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**
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** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
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** All rights reserved.
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** Contact: Nokia Corporation (qt-info@nokia.com)
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**
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** This file is part of the examples of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:BSD$
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** You may use this file under the terms of the BSD license as follows:
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**
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** "Redistribution and use in source and binary forms, with or without
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** modification, are permitted provided that the following conditions are
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** met:
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** * Redistributions of source code must retain the above copyright
|
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** notice, this list of conditions and the following disclaimer.
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** * Redistributions in binary form must reproduce the above copyright
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** notice, this list of conditions and the following disclaimer in
|
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** the documentation and/or other materials provided with the
|
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** distribution.
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** * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor
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** the names of its contributors may be used to endorse or promote
|
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** products derived from this software without specific prior written
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** permission.
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**
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** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
||||
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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||||
** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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||||
** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
||||
** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
||||
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
||||
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include <QApplication>
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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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QApplication app(argc, argv);
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ImageViewer imageViewer;
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imageViewer.show();
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return app.exec();
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}
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/****************************************************************************
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**
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** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
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** All rights reserved.
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** Contact: Nokia Corporation (qt-info@nokia.com)
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**
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** This file is part of the examples of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:BSD$
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** You may use this file under the terms of the BSD license as follows:
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**
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** "Redistribution and use in source and binary forms, with or without
|
||||
** modification, are permitted provided that the following conditions are
|
||||
** met:
|
||||
** * Redistributions of source code must retain the above copyright
|
||||
** notice, this list of conditions and the following disclaimer.
|
||||
** * Redistributions in binary form must reproduce the above copyright
|
||||
** notice, this list of conditions and the following disclaimer in
|
||||
** the documentation and/or other materials provided with the
|
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** distribution.
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** * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor
|
||||
** the names of its contributors may be used to endorse or promote
|
||||
** products derived from this software without specific prior written
|
||||
** permission.
|
||||
**
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||||
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
||||
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
||||
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
|
||||
** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
|
||||
** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
||||
** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
||||
** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
||||
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
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** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include "imageviewer-qt4.h"
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ImageViewer::ImageViewer()
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{
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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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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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}
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updateImageDisplay();
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logFile << "Black line drawn." << std::endl;
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renewLogging();
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}
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}
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void ImageViewer::drawDiagonalCross() {
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if(image!=NULL) {
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int color = QColor::fromHsl(120,255,125).rgba();
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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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}
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}
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updateImageDisplay();
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logFile << "Let's try a diagonal cross now." << std::endl;
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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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}
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void ImageViewer::drawRainbowCross(int initialHue=0) {
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if(image!=NULL) {
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int h = initialHue;
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QColor myColor = QColor::fromHsl(h, 255, 125);
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int image_width = image->width()-1;
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int range = lineSlider->value();
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if(range > image->width()-2) range = image->width()-2;
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for(int i=0;i<std::min(image->width(),image->height());i++) {
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int color = myColor.rgba();
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for(int r=0; r<range; r++) {
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image->setPixel(i+r,i,color);
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image->setPixel((image_width-i)-r,i,color);
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}
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h++;
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if(h > 359) h = 0;
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myColor.setHsl(h, 255, 125);
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}
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updateImageDisplay();
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}
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}
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void ImageViewer::acidTrippin() {
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logFile << "There is no stop button yet. Kill the process or keep it." << std::endl;
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renewLogging();
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int h = 0;
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while(true) {
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drawRainbowCross(h);
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h += 20;
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if(h > 359) h = 0;
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qApp->processEvents();
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}
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}
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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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* stellungen per Slider, Button, Checkbox etc. gemacht werden und die zu implemen-
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* tierenden Algorithmen gestatet werden.
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*
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*****************************************************************************************/
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void ImageViewer::generateControlPanels()
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{
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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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button1 = new QPushButton();
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button1->setText("Draw a black line");
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button2 = new QPushButton();
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button2->setText("Draw a rainbow cross");
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button3 = new QPushButton();
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button3->setText("Start the neverending acid trip!");
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button4 = new QPushButton();
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button4->setText("Draw a diagonal cross");
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lineSlider = new QSlider(Qt::Horizontal);
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lineSlider->setMinimum(1);
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lineSlider->setMaximum(150);
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lineSlider->setValue(3);
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QObject::connect(button1, SIGNAL (clicked()), this, SLOT (drawBlackLine()));
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QObject::connect(button2, SIGNAL (clicked()), this, SLOT (drawRainbowCross()));
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QObject::connect(button3, SIGNAL (clicked()), this, SLOT (acidTrippin()));
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QObject::connect(button4, SIGNAL (clicked()), this, SLOT (drawDiagonalCross()));
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//QObject::connect(lineSlider, SIGNAL (valueChanged(int)), this, SLOT (drawRainbowCross()));
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m_option_layout1->addWidget(new QLabel("Let's draw something!"));
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m_option_layout1->addWidget(button1);
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m_option_layout1->addWidget(button2);
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m_option_layout1->addWidget(button3);
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m_option_layout1->addWidget(button4);
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m_option_layout1->addWidget(new QLabel("This will not stop unless process is killed."));
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m_option_layout1->addWidget(lineSlider);
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m_option_layout1->addWidget(new QLabel("Sets the width of the cross."));
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tabWidget->addTab(m_option_panel1,"Task #1");
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// another tab
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m_option_panel2 = new QWidget();
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m_option_layout2 = new QVBoxLayout();
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m_option_panel2->setLayout(m_option_layout2);
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spinbox1 = new QSpinBox(tabWidget);
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m_option_layout2->addWidget(new QLabel("Here we put some more controls later."));
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m_option_layout2->addWidget(spinbox1);
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tabWidget->addTab(m_option_panel2,"Task #2");
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tabWidget->show();
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// Hinweis: Es bietet sich an pro Aufgabe jeweils einen solchen Tab zu erstellen
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}
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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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* Bearbeitung sind.
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*
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*
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*****************************************************************************************/
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void ImageViewer::startLogging()
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{
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//LogFile
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logFile.open("log.txt", std::ios::out);
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logFile << "Logging: \n" << std::endl;
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}
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void ImageViewer::renewLogging()
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{
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QFile file("log.txt"); // Create a file handle for the file named
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QString line;
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file.open(QIODevice::ReadOnly); // Open the file
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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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imageLabel->setPixmap(QPixmap::fromImage(*image));
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}
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void ImageViewer::generateMainGui()
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{
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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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//centralwidget->setFixedSize(200,200);
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//setCentralWidget(centralwidget);
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imageLabel = new QLabel;
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imageLabel->setBackgroundRole(QPalette::Base);
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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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QGridLayout* gLayout = new QGridLayout(centralwidget);
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gLayout->setObjectName("hboxLayout");
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gLayout->addWidget(new QLabel(),1,1);
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gLayout->setVerticalSpacing(50);
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gLayout->addWidget(tabWidget,2,1);
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gLayout->addWidget(scrollArea,2,2);
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logBrowser= new QTextEdit(this);
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logBrowser->setMinimumHeight(100);
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logBrowser->setMaximumHeight(200);
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logBrowser->setMinimumWidth(width());
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logBrowser->setMaximumWidth(width());
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gLayout->addWidget(logBrowser,3,1,1,2);
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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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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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if (dialog.exec()) {
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QPainter painter(&printer);
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QRect rect = painter.viewport();
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QSize size = imageLabel->pixmap()->size();
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size.scale(rect.size(), Qt::KeepAspectRatio);
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painter.setViewport(rect.x(), rect.y(), size.width(), size.height());
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painter.setWindow(imageLabel->pixmap()->rect());
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painter.drawPixmap(0, 0, *imageLabel->pixmap());
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}
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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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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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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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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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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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QMainWindow::resizeEvent(event);
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centralwidget->setMinimumWidth(width());
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centralwidget->setMinimumHeight(height());
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centralwidget->setMaximumWidth(width());
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centralwidget->setMaximumHeight(height());
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logBrowser->setMinimumWidth(width()-40);
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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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scaleImage(1.25);
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}
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void ImageViewer::zoomOut()
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{
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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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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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bool fitToWindow = fitToWindowAct->isChecked();
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scrollArea->setWidgetResizable(fitToWindow);
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if (!fitToWindow) {
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normalSize();
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}
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updateActions();
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}
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void ImageViewer::about()
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{
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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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"for displaying a text, but it can also display an image. "
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"QScrollArea provides a scrolling view around another widget. "
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"If the child widget exceeds the size of the frame, QScrollArea "
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"automatically provides scroll bars. </p><p>The example "
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"demonstrates how QLabel's ability to scale its contents "
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"(QLabel::scaledContents), and QScrollArea's ability to "
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"automatically resize its contents "
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"(QScrollArea::widgetResizable), can be used to implement "
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"zooming and scaling features. </p><p>In addition the example "
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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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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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printAct = new QAction(tr("&Print..."), this);
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printAct->setShortcut(tr("Ctrl+P"));
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printAct->setEnabled(false);
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connect(printAct, SIGNAL(triggered()), this, SLOT(print()));
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exitAct = new QAction(tr("E&xit"), this);
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exitAct->setShortcut(tr("Ctrl+Q"));
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connect(exitAct, SIGNAL(triggered()), this, SLOT(close()));
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zoomInAct = new QAction(tr("Zoom &In (25%)"), this);
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zoomInAct->setShortcut(tr("Ctrl++"));
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zoomInAct->setEnabled(false);
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connect(zoomInAct, SIGNAL(triggered()), this, SLOT(zoomIn()));
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zoomOutAct = new QAction(tr("Zoom &Out (25%)"), this);
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zoomOutAct->setShortcut(tr("Ctrl+-"));
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zoomOutAct->setEnabled(false);
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connect(zoomOutAct, SIGNAL(triggered()), this, SLOT(zoomOut()));
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normalSizeAct = new QAction(tr("&Normal Size"), this);
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normalSizeAct->setShortcut(tr("Ctrl+S"));
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normalSizeAct->setEnabled(false);
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connect(normalSizeAct, SIGNAL(triggered()), this, SLOT(normalSize()));
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fitToWindowAct = new QAction(tr("&Fit to Window"), this);
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fitToWindowAct->setEnabled(false);
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fitToWindowAct->setCheckable(true);
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fitToWindowAct->setShortcut(tr("Ctrl+F"));
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connect(fitToWindowAct, SIGNAL(triggered()), this, SLOT(fitToWindow()));
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aboutAct = new QAction(tr("&About"), this);
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connect(aboutAct, SIGNAL(triggered()), this, SLOT(about()));
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aboutQtAct = new QAction(tr("About &Qt"), this);
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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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fileMenu = new QMenu(tr("&File"), this);
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fileMenu->addAction(openAct);
|
||||
fileMenu->addAction(printAct);
|
||||
fileMenu->addSeparator();
|
||||
fileMenu->addAction(exitAct);
|
||||
|
||||
viewMenu = new QMenu(tr("&View"), this);
|
||||
viewMenu->addAction(zoomInAct);
|
||||
viewMenu->addAction(zoomOutAct);
|
||||
viewMenu->addAction(normalSizeAct);
|
||||
viewMenu->addSeparator();
|
||||
viewMenu->addAction(fitToWindowAct);
|
||||
|
||||
helpMenu = new QMenu(tr("&Help"), this);
|
||||
helpMenu->addAction(aboutAct);
|
||||
helpMenu->addAction(aboutQtAct);
|
||||
|
||||
menuBar()->addMenu(fileMenu);
|
||||
menuBar()->addMenu(viewMenu);
|
||||
menuBar()->addMenu(helpMenu);
|
||||
}
|
||||
|
||||
void ImageViewer::updateActions()
|
||||
{
|
||||
zoomInAct->setEnabled(!fitToWindowAct->isChecked());
|
||||
zoomOutAct->setEnabled(!fitToWindowAct->isChecked());
|
||||
normalSizeAct->setEnabled(!fitToWindowAct->isChecked());
|
||||
}
|
||||
|
||||
void ImageViewer::scaleImage(double factor)
|
||||
{
|
||||
Q_ASSERT(imageLabel->pixmap());
|
||||
scaleFactor *= factor;
|
||||
imageLabel->resize(scaleFactor * imageLabel->pixmap()->size());
|
||||
|
||||
adjustScrollBar(scrollArea->horizontalScrollBar(), factor);
|
||||
adjustScrollBar(scrollArea->verticalScrollBar(), factor);
|
||||
|
||||
zoomInAct->setEnabled(scaleFactor < 3.0);
|
||||
zoomOutAct->setEnabled(scaleFactor > 0.333);
|
||||
}
|
||||
|
||||
void ImageViewer::adjustScrollBar(QScrollBar *scrollBar, double factor)
|
||||
{
|
||||
scrollBar->setValue(int(factor * scrollBar->value()
|
||||
+ ((factor - 1) * scrollBar->pageStep()/2)));
|
||||
}
|
||||
|
|
@ -0,0 +1,167 @@
|
|||
/****************************************************************************
|
||||
**
|
||||
** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
|
||||
** All rights reserved.
|
||||
** Contact: Nokia Corporation (qt-info@nokia.com)
|
||||
**
|
||||
** This file is part of the examples of the Qt Toolkit.
|
||||
**
|
||||
** $QT_BEGIN_LICENSE:BSD$
|
||||
** You may use this file under the terms of the BSD license as follows:
|
||||
**
|
||||
** "Redistribution and use in source and binary forms, with or without
|
||||
** modification, are permitted provided that the following conditions are
|
||||
** met:
|
||||
** * Redistributions of source code must retain the above copyright
|
||||
** notice, this list of conditions and the following disclaimer.
|
||||
** * Redistributions in binary form must reproduce the above copyright
|
||||
** notice, this list of conditions and the following disclaimer in
|
||||
** the documentation and/or other materials provided with the
|
||||
** distribution.
|
||||
** * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor
|
||||
** the names of its contributors may be used to endorse or promote
|
||||
** products derived from this software without specific prior written
|
||||
** permission.
|
||||
**
|
||||
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
||||
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
||||
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
|
||||
** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
|
||||
** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
||||
** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
||||
** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
||||
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
||||
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
||||
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
||||
** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
|
||||
** $QT_END_LICENSE$
|
||||
**
|
||||
****************************************************************************/
|
||||
|
||||
#ifndef IMAGEVIEWER_H
|
||||
#define IMAGEVIEWER_H
|
||||
|
||||
#include <QMainWindow>
|
||||
#include <QPrinter>
|
||||
#include <QtGui>
|
||||
#include <QResizeEvent>
|
||||
#include <QPushButton>
|
||||
#include <QSlider>
|
||||
#include <QColor>
|
||||
|
||||
#include "fstream"
|
||||
|
||||
class QAction;
|
||||
class QLabel;
|
||||
class QMenu;
|
||||
class QScrollArea;
|
||||
class QScrollBar;
|
||||
class QTextEdit;
|
||||
class QVBoxLayout;
|
||||
class QTabWidget;
|
||||
class QPushButton;
|
||||
class QSpinBox;
|
||||
|
||||
class ImageViewer : public QMainWindow
|
||||
{
|
||||
Q_OBJECT
|
||||
|
||||
private:
|
||||
|
||||
// Beispiel für GUI Elemente
|
||||
QWidget* m_option_panel1;
|
||||
QVBoxLayout* m_option_layout1;
|
||||
|
||||
QWidget* m_option_panel2;
|
||||
QVBoxLayout* m_option_layout2;
|
||||
|
||||
QPushButton* button1;
|
||||
QPushButton* button2;
|
||||
QPushButton* button3;
|
||||
QPushButton* button4;
|
||||
QSpinBox* spinbox1;
|
||||
|
||||
// hier können weitere GUI Objekte hin wie Buttons Slider etc.
|
||||
|
||||
QSlider* lineSlider;
|
||||
|
||||
private slots:
|
||||
|
||||
// Beispiel für einen Algorithmus
|
||||
void drawBlackLine();
|
||||
|
||||
// hier können weitere als SLOTS definierte Funktionen hin, die auf Knopfdruck etc. aufgerufen werden.
|
||||
void drawRainbowCross();
|
||||
void drawDiagonalCross();
|
||||
void acidTrippin();
|
||||
|
||||
void open();
|
||||
void print();
|
||||
void zoomIn();
|
||||
void zoomOut();
|
||||
void normalSize();
|
||||
void fitToWindow();
|
||||
void about();
|
||||
|
||||
|
||||
public:
|
||||
ImageViewer();
|
||||
bool loadFile(const QString &);
|
||||
void updateImageDisplay();
|
||||
|
||||
protected:
|
||||
|
||||
void resizeEvent(QResizeEvent * event);
|
||||
|
||||
private:
|
||||
|
||||
void drawRainbowCross(int h);
|
||||
|
||||
// in diesen Beiden Methoden sind Änderungen nötig bzw. sie dienen als
|
||||
// Vorlage für eigene Methoden.
|
||||
void generateControlPanels();
|
||||
|
||||
// Ab hier technische Details die nicht für das Verständnis notwendig sind.
|
||||
void startLogging();
|
||||
void generateMainGui();
|
||||
|
||||
void createActions();
|
||||
void createMenus();
|
||||
void updateActions();
|
||||
void scaleImage(double factor);
|
||||
void adjustScrollBar(QScrollBar *scrollBar, double factor);
|
||||
|
||||
void renewLogging();
|
||||
|
||||
QTabWidget* tabWidget;
|
||||
QTextEdit* logBrowser;
|
||||
QWidget* centralwidget;
|
||||
QLabel* imageLabel;
|
||||
QScrollArea* scrollArea;
|
||||
double scaleFactor;
|
||||
QImage* image;
|
||||
|
||||
|
||||
|
||||
std::fstream logFile;
|
||||
|
||||
#ifndef QT_NO_PRINTER
|
||||
QPrinter printer;
|
||||
#endif
|
||||
|
||||
QAction *openAct;
|
||||
QAction *printAct;
|
||||
QAction *exitAct;
|
||||
QAction *zoomInAct;
|
||||
QAction *zoomOutAct;
|
||||
QAction *normalSizeAct;
|
||||
QAction *fitToWindowAct;
|
||||
QAction *aboutAct;
|
||||
QAction *aboutQtAct;
|
||||
|
||||
QMenu *fileMenu;
|
||||
QMenu *viewMenu;
|
||||
QMenu *helpMenu;
|
||||
};
|
||||
|
||||
#endif
|
||||
|
|
@ -0,0 +1,15 @@
|
|||
HEADERS = imageviewer-qt4.h
|
||||
SOURCES = imageviewer-qt4.cpp \
|
||||
imageviewer-main-qt4.cpp
|
||||
|
||||
# install
|
||||
target.path = $$[QT_INSTALL_EXAMPLES]/widgets/imageviewer
|
||||
sources.files = $$SOURCES $$HEADERS $$RESOURCES $$FORMS imageviewer.pro
|
||||
sources.path = $$[QT_INSTALL_EXAMPLES]/widgets/imageviewer
|
||||
INSTALLS += target sources
|
||||
|
||||
symbian: include($$QT_SOURCE_TREE/examples/symbianpkgrules.pri)
|
||||
|
||||
wince*: {
|
||||
DEPLOYMENT_PLUGIN += qjpeg qmng qgif
|
||||
}
|
||||
Loading…
Reference in New Issue