nuclear@13: #include <stdio.h>
nuclear@13: #include <stdlib.h>
nuclear@26: #include <vector>
nuclear@13: #include <QtGui>
nuclear@13: #include "ui.h"
nuclear@13: 
nuclear@13: static Volume *volume;
nuclear@13: 
nuclear@26: static GLView *maingl;
nuclear@26: static std::vector<GLView*> glviews;
nuclear@26: 
nuclear@13: MainWindow::MainWindow()
nuclear@13: {
nuclear@13: 	setWindowTitle("Volume Renderer");
nuclear@13: 
nuclear@13: 	// OpenGL view
nuclear@26: 	maingl = new GLView;
nuclear@26: 	glviews.push_back(maingl);
nuclear@26: 	setCentralWidget(maingl);
nuclear@13: 
nuclear@14: 	// side-window
nuclear@14: 	sidewin = new SideWindow;
nuclear@14: 	sidewin->setAllowedAreas(Qt::LeftDockWidgetArea | Qt::RightDockWidgetArea);
nuclear@14: 	sidewin->setFeatures(QDockWidget::DockWidgetMovable | QDockWidget::DockWidgetFloatable);
nuclear@14: 	addDockWidget(Qt::LeftDockWidgetArea, sidewin);
nuclear@14: 
nuclear@13: 	// actions
nuclear@13: 	QAction *act_open = new QAction(qApp->style()->standardIcon(QStyle::SP_DialogOpenButton), "&Open...", this);
nuclear@13: 	act_open->setStatusTip("Open a volume dataset");
nuclear@13: 	QObject::connect(act_open, SIGNAL(triggered()), this, SLOT(open_volume()));
nuclear@13: 
nuclear@13: 	QAction *act_quit = new QAction("&Quit", this);
nuclear@13: 	act_quit->setStatusTip("Quit");
nuclear@13: 	QObject::connect(act_quit, SIGNAL(triggered()), this, SLOT(close()));
nuclear@13: 
nuclear@13: 	// menus
nuclear@13: 	QMenu *mfile = menuBar()->addMenu("&File");
nuclear@13: 	mfile->addAction(act_open);
nuclear@13: 	mfile->addAction(act_quit);
nuclear@13: 
nuclear@13: 	// toolbars
nuclear@13: 	QToolBar *tfile = addToolBar("&File");
nuclear@13: 	tfile->addAction(act_open);
nuclear@13: 
nuclear@13: 	statusBar();
nuclear@13: 	show();
nuclear@13: }
nuclear@13: 
nuclear@13: void MainWindow::open_volume()
nuclear@13: {
nuclear@13: 	QString fname = QFileDialog::getOpenFileName(this, "Open volume dataset", QString(), "Volume descriptors (*.vol)");
nuclear@13: 	if(!fname.isNull()) {
nuclear@13: 		Volume *vol = new Volume;
nuclear@13: 
nuclear@13: 		if(vol->load(qPrintable(fname))) {
nuclear@13: 			delete volume;
nuclear@13: 			volume = vol;
nuclear@13: 			volray_setvolume(vol);
nuclear@13: 			post_redisplay();
nuclear@13: 		} else {
nuclear@13: 			delete vol;
nuclear@13: 		}
nuclear@13: 	}
nuclear@13: }
nuclear@13: 
nuclear@14: 
nuclear@14: SideWindow::SideWindow()
nuclear@14: {
nuclear@22: 	QGroupBox *groupbox = new QGroupBox("Volume slice");
nuclear@22: 	{
nuclear@26: 		GLView *slice_view = new GLView;
nuclear@26: 		glviews.push_back(slice_view);
nuclear@26: 
nuclear@22: 		QCheckBox *chk_clip = new QCheckBox("clip");
nuclear@22: 		chk_clip->setChecked(false);
nuclear@22: 		connect(chk_clip, SIGNAL(stateChanged(int)), this, SLOT(clip_change(int)));
nuclear@21: 
nuclear@22: 		QSlider *zslider = new QSlider(Qt::Horizontal);
nuclear@22: 		zslider->setRange(0, 256);
nuclear@22: 		zslider->setValue(volray_getvalue(VOLRAY_ZCURSOR) * 256.0);
nuclear@22: 		connect(zslider, SIGNAL(valueChanged(int)), this, SLOT(zslider_change(int)));
nuclear@22: 
nuclear@22: 		QVBoxLayout *vbox = new QVBoxLayout;
nuclear@26: 		vbox->addWidget(slice_view);
nuclear@22: 		vbox->addWidget(chk_clip);
nuclear@22: 		vbox->addWidget(zslider);
nuclear@22: 
nuclear@22: 		groupbox->setLayout(vbox);
nuclear@22: 	}
nuclear@21: 
nuclear@21: 	QWidget *win = new QWidget;
nuclear@21: 	setWidget(win);
nuclear@22: 
nuclear@22: 	QVBoxLayout *vbox = new QVBoxLayout;
nuclear@22: 	vbox->addWidget(groupbox);
nuclear@22: 	vbox->addStretch();
nuclear@22: 
nuclear@21: 	win->setLayout(vbox);
nuclear@21: }
nuclear@21: 
nuclear@21: void SideWindow::zslider_change(int val)
nuclear@21: {
nuclear@21: 	volray_setvalue(VOLRAY_ZCURSOR, (float)val / 256.0);
nuclear@14: }
nuclear@14: 
nuclear@22: void SideWindow::clip_change(int checked)
nuclear@22: {
nuclear@22: 	volray_setvalue(VOLRAY_ZCLIP, checked);
nuclear@22: }
nuclear@14: 
nuclear@13: void post_redisplay()
nuclear@13: {
nuclear@26: 	maingl->updateGL();
nuclear@13: }
nuclear@13: 
nuclear@13: 
nuclear@13: GLView::GLView(QWidget *parent)
nuclear@13: 	: QGLWidget(QGLFormat(QGL::DoubleBuffer), parent)
nuclear@13: {
nuclear@13: }
nuclear@13: 
nuclear@13: QSize GLView::minimumSizeHint() const
nuclear@13: {
nuclear@13: 	return QSize(320, 200);
nuclear@13: }
nuclear@13: 
nuclear@13: QSize GLView::sizeHint() const
nuclear@13: {
nuclear@13: 	return QSize(1280, 800);
nuclear@13: }
nuclear@13: 
nuclear@13: void GLView::initializeGL()
nuclear@13: {
nuclear@13: 	if(!volray_init()) {
nuclear@13: 		exit(0);
nuclear@13: 	}
nuclear@13: }
nuclear@13: 
nuclear@13: void GLView::resizeGL(int xsz, int ysz)
nuclear@13: {
nuclear@13: 	volray_resize(xsz, ysz);
nuclear@13: }
nuclear@13: 
nuclear@13: void GLView::paintGL()
nuclear@13: {
nuclear@13: 	volray_draw();
nuclear@13: }
nuclear@13: 
nuclear@13: static int button_number(Qt::MouseButton bn)
nuclear@13: {
nuclear@13: 	switch(bn) {
nuclear@13: 	case Qt::LeftButton:
nuclear@13: 		return 0;
nuclear@13: 	case Qt::MidButton:
nuclear@13: 		return 1;
nuclear@13: 	case Qt::RightButton:
nuclear@13: 		return 2;
nuclear@13: 	default:
nuclear@13: 		break;
nuclear@13: 	}
nuclear@13: 	return -1;
nuclear@13: }
nuclear@13: 
nuclear@13: void GLView::mousePressEvent(QMouseEvent *ev)
nuclear@13: {
nuclear@13: 	int bn = button_number(ev->button());
nuclear@13: 	if(bn >= 0) {
nuclear@13: 		volray_mouse(bn, 1, ev->x(), ev->y());
nuclear@13: 	}
nuclear@13: }
nuclear@13: 
nuclear@13: void GLView::mouseReleaseEvent(QMouseEvent *ev)
nuclear@13: {
nuclear@13: 	int bn = button_number(ev->button());
nuclear@13: 	if(bn >= 0) {
nuclear@13: 		volray_mouse(bn, 0, ev->x(), ev->y());
nuclear@13: 	}
nuclear@13: }
nuclear@13: 
nuclear@13: void GLView::mouseMoveEvent(QMouseEvent *ev)
nuclear@13: {
nuclear@13: 	volray_motion(ev->x(), ev->y());
nuclear@13: }