void CairoBox::draw(void)
{
// using fltk functions, set up white background with thin black frame
fl_push_no_clip(); /* remove any clipping region set by the expose events... */
fl_push_clip(x(), y(), w(), h());
fl_color(FL_WHITE);
fl_rectf(x(), y(), w(), h());
fl_color(FL_BLACK);
fl_rect(x(), y(), w(), h());
// set up cairo structures
surface = set_surface(w(), h());
cr = cairo_create(surface);
/* All Cairo co-ordinates are shifted by 0.5 pixels to correct anti-aliasing */
cairo_translate(cr, 0.5, 0.5);
cairo_set_source_rgb(cr, 0.0, 0.0, 0.0); // set drawing color to black
cairo_new_path(cr);
// virtual function defined in driver program
graphic(cr, x(), y(), w(), h());
// release the cairo context
cairo_destroy(cr);
cairo_surface_destroy(surface);
// cr = NULL;
// remove clip regions
fl_pop_clip(); // local clip region
fl_pop_clip(); // "no_clip" region
}
//extern Fl_Ext * fl_ext;
void Fl_Gdi::draw(Fl_Widget * w)
{
Fl_Device *t = fl_current_dev;
fl_current_dev = this;
Fl::flush(); // cleaning ...
HDC o = fl_gc;
fl_gc = gc_;
SelectClipRgn(fl_gc, 0);
fl_push_no_clip(); //i am not sure why, but it is required...
w->redraw(); // making dirty
w->draw();
fl_pop_clip();
fl_gc = o;
fl_current_dev = t;
}
FL_EXPORT_C(void,flc_push_no_clip)( ){
fl_push_no_clip();
}
