qvolray

annotate src/ui.cc @ 22:2d0dfb5751dc

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author John Tsiombikas <nuclear@member.fsf.org>
date Wed, 11 Apr 2012 18:35:12 +0300
parents 4c62be57fc1a
children f4cc61b5a3eb
rev   line source
nuclear@13 1 #include <stdio.h>
nuclear@13 2 #include <stdlib.h>
nuclear@13 3 #include <QtGui>
nuclear@13 4 #include "ui.h"
nuclear@13 5
nuclear@13 6 static GLView *glview;
nuclear@13 7 static Volume *volume;
nuclear@13 8
nuclear@13 9 MainWindow::MainWindow()
nuclear@13 10 {
nuclear@13 11 setWindowTitle("Volume Renderer");
nuclear@13 12
nuclear@13 13 // OpenGL view
nuclear@13 14 glview = new GLView;
nuclear@13 15 setCentralWidget(glview);
nuclear@13 16
nuclear@14 17 // side-window
nuclear@14 18 sidewin = new SideWindow;
nuclear@14 19 sidewin->setAllowedAreas(Qt::LeftDockWidgetArea | Qt::RightDockWidgetArea);
nuclear@14 20 sidewin->setFeatures(QDockWidget::DockWidgetMovable | QDockWidget::DockWidgetFloatable);
nuclear@14 21 addDockWidget(Qt::LeftDockWidgetArea, sidewin);
nuclear@14 22
nuclear@13 23 // actions
nuclear@13 24 QAction *act_open = new QAction(qApp->style()->standardIcon(QStyle::SP_DialogOpenButton), "&Open...", this);
nuclear@13 25 act_open->setStatusTip("Open a volume dataset");
nuclear@13 26 QObject::connect(act_open, SIGNAL(triggered()), this, SLOT(open_volume()));
nuclear@13 27
nuclear@13 28 QAction *act_quit = new QAction("&Quit", this);
nuclear@13 29 act_quit->setStatusTip("Quit");
nuclear@13 30 QObject::connect(act_quit, SIGNAL(triggered()), this, SLOT(close()));
nuclear@13 31
nuclear@13 32 // menus
nuclear@13 33 QMenu *mfile = menuBar()->addMenu("&File");
nuclear@13 34 mfile->addAction(act_open);
nuclear@13 35 mfile->addAction(act_quit);
nuclear@13 36
nuclear@13 37 // toolbars
nuclear@13 38 QToolBar *tfile = addToolBar("&File");
nuclear@13 39 tfile->addAction(act_open);
nuclear@13 40
nuclear@13 41 statusBar();
nuclear@13 42 show();
nuclear@13 43 }
nuclear@13 44
nuclear@13 45 void MainWindow::open_volume()
nuclear@13 46 {
nuclear@13 47 QString fname = QFileDialog::getOpenFileName(this, "Open volume dataset", QString(), "Volume descriptors (*.vol)");
nuclear@13 48 if(!fname.isNull()) {
nuclear@13 49 Volume *vol = new Volume;
nuclear@13 50
nuclear@13 51 if(vol->load(qPrintable(fname))) {
nuclear@13 52 delete volume;
nuclear@13 53 volume = vol;
nuclear@13 54 volray_setvolume(vol);
nuclear@13 55 post_redisplay();
nuclear@13 56 } else {
nuclear@13 57 delete vol;
nuclear@13 58 }
nuclear@13 59 }
nuclear@13 60 }
nuclear@13 61
nuclear@14 62
nuclear@14 63 SideWindow::SideWindow()
nuclear@14 64 {
nuclear@22 65 QGroupBox *groupbox = new QGroupBox("Volume slice");
nuclear@22 66 {
nuclear@22 67 QCheckBox *chk_clip = new QCheckBox("clip");
nuclear@22 68 chk_clip->setChecked(false);
nuclear@22 69 connect(chk_clip, SIGNAL(stateChanged(int)), this, SLOT(clip_change(int)));
nuclear@21 70
nuclear@22 71 QSlider *zslider = new QSlider(Qt::Horizontal);
nuclear@22 72 zslider->setRange(0, 256);
nuclear@22 73 zslider->setValue(volray_getvalue(VOLRAY_ZCURSOR) * 256.0);
nuclear@22 74 connect(zslider, SIGNAL(valueChanged(int)), this, SLOT(zslider_change(int)));
nuclear@22 75
nuclear@22 76 QVBoxLayout *vbox = new QVBoxLayout;
nuclear@22 77 vbox->addWidget(chk_clip);
nuclear@22 78 vbox->addWidget(zslider);
nuclear@22 79
nuclear@22 80 groupbox->setLayout(vbox);
nuclear@22 81 }
nuclear@21 82
nuclear@21 83 QWidget *win = new QWidget;
nuclear@21 84 setWidget(win);
nuclear@22 85
nuclear@22 86 QVBoxLayout *vbox = new QVBoxLayout;
nuclear@22 87 vbox->addWidget(groupbox);
nuclear@22 88 vbox->addStretch();
nuclear@22 89
nuclear@21 90 win->setLayout(vbox);
nuclear@21 91 }
nuclear@21 92
nuclear@21 93 void SideWindow::zslider_change(int val)
nuclear@21 94 {
nuclear@21 95 volray_setvalue(VOLRAY_ZCURSOR, (float)val / 256.0);
nuclear@14 96 }
nuclear@14 97
nuclear@22 98 void SideWindow::clip_change(int checked)
nuclear@22 99 {
nuclear@22 100 volray_setvalue(VOLRAY_ZCLIP, checked);
nuclear@22 101 }
nuclear@14 102
nuclear@13 103 void post_redisplay()
nuclear@13 104 {
nuclear@13 105 glview->updateGL();
nuclear@13 106 }
nuclear@13 107
nuclear@13 108
nuclear@13 109 GLView::GLView(QWidget *parent)
nuclear@13 110 : QGLWidget(QGLFormat(QGL::DoubleBuffer), parent)
nuclear@13 111 {
nuclear@13 112 }
nuclear@13 113
nuclear@13 114 QSize GLView::minimumSizeHint() const
nuclear@13 115 {
nuclear@13 116 return QSize(320, 200);
nuclear@13 117 }
nuclear@13 118
nuclear@13 119 QSize GLView::sizeHint() const
nuclear@13 120 {
nuclear@13 121 return QSize(1280, 800);
nuclear@13 122 }
nuclear@13 123
nuclear@13 124 void GLView::initializeGL()
nuclear@13 125 {
nuclear@13 126 if(!volray_init()) {
nuclear@13 127 exit(0);
nuclear@13 128 }
nuclear@13 129 }
nuclear@13 130
nuclear@13 131 void GLView::resizeGL(int xsz, int ysz)
nuclear@13 132 {
nuclear@13 133 volray_resize(xsz, ysz);
nuclear@13 134 }
nuclear@13 135
nuclear@13 136 void GLView::paintGL()
nuclear@13 137 {
nuclear@13 138 volray_draw();
nuclear@13 139 }
nuclear@13 140
nuclear@13 141 static int button_number(Qt::MouseButton bn)
nuclear@13 142 {
nuclear@13 143 switch(bn) {
nuclear@13 144 case Qt::LeftButton:
nuclear@13 145 return 0;
nuclear@13 146 case Qt::MidButton:
nuclear@13 147 return 1;
nuclear@13 148 case Qt::RightButton:
nuclear@13 149 return 2;
nuclear@13 150 default:
nuclear@13 151 break;
nuclear@13 152 }
nuclear@13 153 return -1;
nuclear@13 154 }
nuclear@13 155
nuclear@13 156 void GLView::mousePressEvent(QMouseEvent *ev)
nuclear@13 157 {
nuclear@13 158 int bn = button_number(ev->button());
nuclear@13 159 if(bn >= 0) {
nuclear@13 160 volray_mouse(bn, 1, ev->x(), ev->y());
nuclear@13 161 }
nuclear@13 162 }
nuclear@13 163
nuclear@13 164 void GLView::mouseReleaseEvent(QMouseEvent *ev)
nuclear@13 165 {
nuclear@13 166 int bn = button_number(ev->button());
nuclear@13 167 if(bn >= 0) {
nuclear@13 168 volray_mouse(bn, 0, ev->x(), ev->y());
nuclear@13 169 }
nuclear@13 170 }
nuclear@13 171
nuclear@13 172 void GLView::mouseMoveEvent(QMouseEvent *ev)
nuclear@13 173 {
nuclear@13 174 volray_motion(ev->x(), ev->y());
nuclear@13 175 }