nuclear@35: #include <QtGui>
nuclear@29: #include "ui_xferview.h"
nuclear@29: #include "volray.h"
nuclear@29: 
nuclear@35: static int prev_x, prev_y;
nuclear@35: 
nuclear@30: XFerGLView::XFerGLView(QGLWidget *share_widget)
nuclear@29: 	: QGLWidget(QGLFormat(QGL::DoubleBuffer), 0, share_widget)
nuclear@29: {
nuclear@29: }
nuclear@29: 
nuclear@30: QSize XFerGLView::minimumSizeHint() const
nuclear@29: {
nuclear@29: 	return QSize(160, 100);
nuclear@29: }
nuclear@29: 
nuclear@30: void XFerGLView::initializeGL()
nuclear@29: {
nuclear@29: }
nuclear@29: 
nuclear@30: void XFerGLView::resizeGL(int xsz, int ysz)
nuclear@29: {
nuclear@29: 	glViewport(0, 0, xsz, ysz);
nuclear@29: }
nuclear@29: 
nuclear@30: void XFerGLView::paintGL()
nuclear@29: {
nuclear@29: 	volray_draw_xfer();
nuclear@29: }
nuclear@35: 
nuclear@35: void XFerGLView::mousePressEvent(QMouseEvent *ev)
nuclear@35: {
nuclear@35: 	prev_x = ev->x();
nuclear@35: 	prev_y = ev->y();
nuclear@35: }
nuclear@35: 
nuclear@35: void modxfer(int dx, int dy, int max_x, int max_y);
nuclear@35: 
nuclear@35: void XFerGLView::mouseMoveEvent(QMouseEvent *ev)
nuclear@35: {
nuclear@35: 	int x = ev->x();
nuclear@35: 	int y = ev->y();
nuclear@35: 
nuclear@35: 	int dx = x - prev_x;
nuclear@35: 	int dy = y - prev_y;
nuclear@35: 
nuclear@35: 	prev_x = x;
nuclear@35: 	prev_y = y;
nuclear@35: 
nuclear@35: 	modxfer(dx, dy, width(), height());
nuclear@35: }