Py::Object Triangulation::get_edges()
{
_VERBOSE("Triangulation::get_edges");
if (_edges == 0)
calculate_edges();
return Py::asObject(Py::new_reference_to((PyObject*)_edges));
}
static void
redraw_handler(struct widget *widget, void *data)
{
struct cliptest *cliptest = data;
struct geometry *g = cliptest->view.geometry;
struct rectangle allocation;
cairo_t *cr;
cairo_surface_t *surface;
GLfloat ex[8];
GLfloat ey[8];
int n;
n = calculate_edges(&cliptest->view, &g->clip, &g->surf, ex, ey);
widget_get_allocation(cliptest->widget, &allocation);
surface = window_get_surface(cliptest->window);
cr = cairo_create(surface);
widget_get_allocation(cliptest->widget, &allocation);
cairo_rectangle(cr, allocation.x, allocation.y,
allocation.width, allocation.height);
cairo_clip(cr);
cairo_set_operator(cr, CAIRO_OPERATOR_SOURCE);
cairo_set_source_rgba(cr, 0, 0, 0, 1);
cairo_paint(cr);
cairo_translate(cr, allocation.x, allocation.y);
cairo_set_line_width(cr, 1.0);
cairo_move_to(cr, allocation.width / 2.0, 0.0);
cairo_line_to(cr, allocation.width / 2.0, allocation.height);
cairo_move_to(cr, 0.0, allocation.height / 2.0);
cairo_line_to(cr, allocation.width, allocation.height / 2.0);
cairo_set_source_rgba(cr, 0.5, 0.5, 0.5, 1.0);
cairo_stroke(cr);
cairo_set_operator(cr, CAIRO_OPERATOR_OVER);
cairo_push_group(cr);
cairo_translate(cr, allocation.width / 2.0,
allocation.height / 2.0);
cairo_scale(cr, 4.0, 4.0);
cairo_set_line_width(cr, 0.5);
cairo_set_line_join(cr, CAIRO_LINE_JOIN_BEVEL);
cairo_select_font_face(cr, "Sans", CAIRO_FONT_SLANT_NORMAL,
CAIRO_FONT_WEIGHT_BOLD);
cairo_set_font_size(cr, 5.0);
draw_geometry(cr, &cliptest->view, ex, ey, n);
cairo_pop_group_to_source(cr);
cairo_paint(cr);
cairo_set_source_rgba(cr, 0.0, 1.0, 0.0, 1.0);
cairo_select_font_face(cr, "monospace", CAIRO_FONT_SLANT_NORMAL,
CAIRO_FONT_WEIGHT_NORMAL);
cairo_set_font_size(cr, 12.0);
draw_coordinates(cr, 10.0, 10.0, ex, ey, n);
cairo_destroy(cr);
cairo_surface_destroy(surface);
}
static int
benchmark(void)
{
struct weston_view view;
struct geometry geom;
GLfloat ex[8], ey[8];
int i;
double t;
const int N = 1000000;
geom.clip.x1 = -19;
geom.clip.y1 = -19;
geom.clip.x2 = 19;
geom.clip.y2 = 19;
geom.surf.x1 = -20;
geom.surf.y1 = -20;
geom.surf.x2 = 20;
geom.surf.y2 = 20;
geometry_set_phi(&geom, 0.0);
view.transform.enabled = 1;
view.geometry = &geom;
reset_timer();
for (i = 0; i < N; i++) {
geometry_set_phi(&geom, (float)i / 360.0f);
calculate_edges(&view, &geom.clip, &geom.surf, ex, ey);
}
t = read_timer();
printf("%d calls took %g s, average %g us/call\n", N, t, t / N * 1e6);
return 0;
}
