void
QvisReflectWidget::paintEvent(QPaintEvent *e)
{
// with qt4 we dont need a bg pixmap for flicker free
QPainter paint(this);
redrawScene(&paint);
}
void
QvisParallelCoordinatesWidget::paintEvent(QPaintEvent *e)
{
bool clipByRegion = true;
// Draw the scene into the backing pixmap.
bool needsPaint = pixmapDirty;
if (pixmap == NULL)
{
needsPaint = true;
pixmap = new QPixmap(width(), height());
}
if (needsPaint)
{
QPainter pixpaint(pixmap);
redrawScene(&pixpaint);
clipByRegion = false;
pixmapDirty = false;
}
// Blit the pixmap to the screen.
QPainter paint(this);
if (clipByRegion && !e->region().isEmpty())
paint.setClipRegion(e->region());
paint.drawPixmap(QPoint(0,0), *pixmap);
}
void changeResolution() {
float res;
cout << "Enter resolution between [0,1]: " << endl;
cin >> res;
resolution = res;
redrawScene();
}
void Ether::advanceTime()
{
timer->stop();
for(std::vector<Field>::iterator it=fields.begin();it!=fields.end();it++)
{
(*it).computeOneIterationOfMotion(_timeDelay);
}
timer->start(_timeDelay);
emit redrawScene();
}
/* OpenGL callbacks */
void redrawSchnauzer () {
pScene sc = cv.scene[currentScene()];
pMesh mesh;
char *ptr, data[256];
mesh = cv.mesh[sc->idmesh];
strcpy(data, mesh->name);
ptr = (char *)strstr(data, ".mesh");
if (ptr) *ptr = '\0';
ptr = (char *)strstr(data, ".gis");
if (ptr) *ptr = '\0';
strcat(data, ".ppm");
redrawScene();
imgHard(sc, data, 'H');
exit(0);
}
/* OpenGL callbacks */
void redrawScene () {
pScene sc;
pTransform view;
pPersp p;
pCamera c;
sc = cv.scene[currentScene()];
view = sc->view;
p = sc->persp;
c = sc->camera;
if (stereoMode == MONO || !hasStereo) {
glDrawBuffer(GL_BACK_LEFT);
glClearColor(sc->par.back[0], sc->par.back[1],
sc->par.back[2], sc->par.back[3]);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
gluLookAt(0., 0., -p->depth, 0., 0., 0., 0.0, 1.0, 0.0);
setupView(sc);
glMultMatrixf(view->matrix);
glTranslatef(sc->cx, sc->cy, sc->cz);
drawModel(sc);
if (sc->type & S_DECO) redrawStatusBar(sc);
} else {
double ndfl, ratio, top, bottom;
double left, right, nnear, ffar;
nnear = -p->depth - 0.5 * sc->dmax;
if (nnear < 0.1) nnear = 0.1;
ffar = -p->depth + 0.5 * sc->dmax;
ratio = sc->par.xs / (double)sc->par.ys;
top = nnear * tan(DTOR * 0.5 * p->fovy);
ndfl = nnear / p->depth;
if (sc->par.eyesep < 0.0)
sc->par.eyesep = fabs(p->depth / 20.0);
/* left view */
glDrawBuffer(GL_BACK_LEFT);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
left = -ratio * top + 0.5 * sc->par.eyesep * ndfl;
right = ratio * top + 0.5 * sc->par.eyesep * ndfl;
bottom = -top;
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
glFrustum(left, right, top, bottom, nnear, ffar);
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
gluLookAt(-sc->par.eyesep, 0., -p->depth,
sc->par.eyesep / 3.0, 0., 0.,
0.0, 1.0, 0.0);
setupView(sc);
glMultMatrixf(view->matrix);
glTranslatef(sc->cx, sc->cy, sc->cz);
drawModel(sc);
if (sc->type & S_DECO) redrawStatusBar(sc);
/* right view */
glDrawBuffer(GL_BACK_RIGHT);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
left = -ratio * top - 0.5 * sc->par.eyesep * ndfl;
right = ratio * top - 0.5 * sc->par.eyesep * ndfl;
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
glFrustum(left, right, top, bottom, nnear, ffar);
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
gluLookAt(sc->par.eyesep, 0., -p->depth,
sc->par.eyesep / 3.0, 0., 0.,
0.0, 1.0, 0.0);
setupView(sc);
glMultMatrixf(view->matrix);
glTranslatef(sc->cx, sc->cy, sc->cz);
drawModel(sc);
if (sc->type & S_DECO) redrawStatusBar(sc);
}
/* refresh screen */
if (saveimg && animate)
glFlush();
else
glutSwapBuffers();
if (ddebug) checkErrors();
if (saveimg && !(sc->type & S_SCISSOR)) keyFile('H', 0, 0);
/* redraw linked scene */
if (!animate && sc->slave > -1) {
pScene slave;
slave = cv.scene[sc->slave];
glutSetWindow(slave->idwin);
redrawScene();
}
}
