Esempi in C++ (Cpp) per _cairo_traps_init_box

Esempio n. 1

File: cairo-surface-fallback.c Progetto: Dirbaio/libgdiplus

cairo_status_t
_cairo_surface_fallback_paint (cairo_surface_t	*surface,
			       cairo_operator_t	 op,
			       cairo_pattern_t	*source)
{
    cairo_status_t status;
    cairo_rectangle_int_t extents;
    cairo_box_t box;
    cairo_traps_t traps;

    status = _cairo_surface_get_extents (surface, &extents);
    if (status)
	return status;

    if (_cairo_operator_bounded_by_source (op)) {
	cairo_rectangle_int_t source_extents;
	status = _cairo_pattern_get_extents (source, &source_extents);
	if (status)
	    return status;

	_cairo_rectangle_intersect (&extents, &source_extents);
    }

    status = _cairo_clip_intersect_to_rectangle (surface->clip, &extents);
    if (status)
	return status;

    box.p1.x = _cairo_fixed_from_int (extents.x);
    box.p1.y = _cairo_fixed_from_int (extents.y);
    box.p2.x = _cairo_fixed_from_int (extents.x + extents.width);
    box.p2.y = _cairo_fixed_from_int (extents.y + extents.height);

    status = _cairo_traps_init_box (&traps, &box);
    if (status)
	return status;

    status = _clip_and_composite_trapezoids (source,
				             op,
					     surface,
					     &traps,
					     surface->clip,
					     CAIRO_ANTIALIAS_NONE);

    _cairo_traps_fini (&traps);

    return status;
}

Esempio n. 2

File: cairo-surface-fallback.c Progetto: amyvmiwei/firefox

cairo_status_t
_cairo_surface_fallback_paint (cairo_surface_t		*surface,
			       cairo_operator_t		 op,
			       const cairo_pattern_t	*source)
{
    cairo_status_t status;
    cairo_rectangle_int_t extents;
    cairo_box_t box;
    cairo_traps_t traps;

    status = _cairo_surface_get_extents (surface, &extents);
    if (unlikely (status))
	return status;

    if (_cairo_operator_bounded_by_source (op)) {
	cairo_rectangle_int_t source_extents;

	status = _cairo_pattern_get_extents (source, &source_extents);
	if (unlikely (status))
	    return status;

	if (! _cairo_rectangle_intersect (&extents, &source_extents))
	    return CAIRO_STATUS_SUCCESS;
    }

    status = _cairo_clip_intersect_to_rectangle (surface->clip, &extents);
    if (unlikely (status))
	return status;

    _cairo_box_from_rectangle (&box, &extents);

    _cairo_traps_init_box (&traps, &box);

    status = _clip_and_composite_trapezoids (source,
				             op,
					     surface,
					     &traps,
					     surface->clip,
					     CAIRO_ANTIALIAS_NONE);

    _cairo_traps_fini (&traps);

    return status;
}