void OrthoViews::set_primary(gp_Dir facing, gp_Dir right) // set the orientation of the primary view
{
primary.SetDirection(facing);
primary.SetXDirection(right);
gp_Dir up = primary.YDirection();
// compute dimensions of part when orientated according to primary view
width = abs(right.X() * bbox.LengthX() + right.Y() * bbox.LengthY() + right.Z() * bbox.LengthZ());
height = abs(up.X() * bbox.LengthX() + up.Y() * bbox.LengthY() + up.Z() * bbox.LengthZ());
depth = abs(facing.X() * bbox.LengthX() + facing.Y() * bbox.LengthY() + facing.Z() * bbox.LengthZ());
if (views.size() == 0)
add_view(0, 0);
else
{
views[0]->set_projection(primary);
set_all_orientations(); // reorient all other views appropriately
process_views();
}
}
void HDimension::RenderText(const wxString &text, const gp_Pnt& p, const gp_Dir& xdir, const gp_Dir& ydir, double scale)
{
float width, height;
if(!wxGetApp().get_text_size(text, &width, &height))return;
// make a matrix at top left of text
gp_Pnt text_top_left( p.XYZ() + ydir.XYZ() * (scale * height) );
gp_Trsf text_matrix = make_matrix(text_top_left, xdir, ydir);
glPushMatrix();
double m[16];
extract_transposed(text_matrix, m);
glMultMatrixd(m);
if(DrawFlat)
{
//Try and draw this ortho. must find the origin point in screen coordinates
double x, y, z;
// arrays to hold matrix information
double model_view[16];
glGetDoublev(GL_MODELVIEW_MATRIX, model_view);
double projection[16];
glGetDoublev(GL_PROJECTION_MATRIX, projection);
int viewport[4];
glGetIntegerv(GL_VIEWPORT, viewport);
// get 3D coordinates based on window coordinates
gluProject(0,0,0,
model_view, projection, viewport,
&x, &y, &z);
wxGetApp().render_screen_text_at(text, scale*8,x,y,atan2(xdir.Y(),xdir.X()) * 180 / M_PI);
}
else
{
wxGetApp().render_text(text);
}
glPopMatrix();
}
