C++ (Cpp) cairo_scaled_font_set_user_data Beispiele

Beispiel #1

Datei: cairo-font-face-twin.c Projekt: mongoltolbo/firefox

static cairo_status_t
twin_scaled_font_compute_properties (cairo_scaled_font_t *scaled_font,
				     cairo_t           *cr)
{
    cairo_status_t status;
    twin_scaled_properties_t *props;

    props = malloc (sizeof (twin_scaled_properties_t));
    if (unlikely (props == NULL))
	return _cairo_error (CAIRO_STATUS_NO_MEMORY);


    props->face_props = cairo_font_face_get_user_data (cairo_scaled_font_get_font_face (scaled_font),
						       &twin_properties_key);

    props->snap = scaled_font->options.hint_style > CAIRO_HINT_STYLE_NONE;

    /* weight */
    props->weight = props->face_props->weight * (F (4) / TWIN_WEIGHT_NORMAL);

    /* pen & margins */
    props->penx = props->peny = props->weight;
    props->marginl = props->marginr = F (4);
    if (scaled_font->options.hint_style > CAIRO_HINT_STYLE_SLIGHT)
	twin_hint_pen_and_margins(cr,
				  &props->penx, &props->peny,
				  &props->marginl, &props->marginr);

    /* stretch */
    props->stretch = 1 + .1 * ((int) props->face_props->stretch - (int) TWIN_STRETCH_NORMAL);


    /* Save it */
    status = cairo_scaled_font_set_user_data (scaled_font,
					      &twin_properties_key,
					      props, free);
    if (unlikely (status))
	goto FREE_PROPS;

    return CAIRO_STATUS_SUCCESS;

FREE_PROPS:
    free (props);
    return status;
}

Beispiel #2

Datei: user-font-proxy.c Projekt: ghub/NVprSDK

static cairo_status_t
test_scaled_font_init (cairo_scaled_font_t  *scaled_font,
		       cairo_t              *cr,
		       cairo_font_extents_t *extents)
{
    cairo_set_font_face (cr,
			 cairo_font_face_get_user_data (cairo_scaled_font_get_font_face (scaled_font),
							&fallback_font_key));

    cairo_scaled_font_set_user_data (scaled_font,
				     &fallback_font_key,
				     cairo_scaled_font_reference (cairo_get_scaled_font (cr)),
				     (cairo_destroy_func_t) cairo_scaled_font_destroy);

    cairo_font_extents (cr, extents);

    return CAIRO_STATUS_SUCCESS;
}