qvolray: src/ui_xferview.cc annotate

qvolray

demo :)

author	John Tsiombikas <nuclear@member.fsf.org>
date	Sun, 15 Apr 2012 07:19:01 +0300
parents	40df2cdc6323
children

rev	line source
nuclear@35	1 #include <QtGui>
nuclear@29	2 #include "ui_xferview.h"
nuclear@29	3 #include "volray.h"
nuclear@29	4
nuclear@35	5 static int prev_x, prev_y;
nuclear@35	6
nuclear@30	7 XFerGLView::XFerGLView(QGLWidget *share_widget)
nuclear@29	8 : QGLWidget(QGLFormat(QGL::DoubleBuffer), 0, share_widget)
nuclear@29	9 {
nuclear@29	10 }
nuclear@29	11
nuclear@30	12 QSize XFerGLView::minimumSizeHint() const
nuclear@29	13 {
nuclear@29	14 return QSize(160, 100);
nuclear@29	15 }
nuclear@29	16
nuclear@30	17 void XFerGLView::initializeGL()
nuclear@29	18 {
nuclear@29	19 }
nuclear@29	20
nuclear@30	21 void XFerGLView::resizeGL(int xsz, int ysz)
nuclear@29	22 {
nuclear@29	23 glViewport(0, 0, xsz, ysz);
nuclear@29	24 }
nuclear@29	25
nuclear@30	26 void XFerGLView::paintGL()
nuclear@29	27 {
nuclear@29	28 volray_draw_xfer();
nuclear@29	29 }
nuclear@35	30
nuclear@35	31 void XFerGLView::mousePressEvent(QMouseEvent *ev)
nuclear@35	32 {
nuclear@35	33 prev_x = ev->x();
nuclear@35	34 prev_y = ev->y();
nuclear@35	35 }
nuclear@35	36
nuclear@35	37 void modxfer(int dx, int dy, int max_x, int max_y);
nuclear@35	38
nuclear@35	39 void XFerGLView::mouseMoveEvent(QMouseEvent *ev)
nuclear@35	40 {
nuclear@35	41 int x = ev->x();
nuclear@35	42 int y = ev->y();
nuclear@35	43
nuclear@35	44 int dx = x - prev_x;
nuclear@35	45 int dy = y - prev_y;
nuclear@35	46
nuclear@35	47 prev_x = x;
nuclear@35	48 prev_y = y;
nuclear@35	49
nuclear@35	50 modxfer(dx, dy, width(), height());
nuclear@35	51 }