Ejemplos de NR_IS_ARENA en C++ (Cpp)

Ejemplo n.º 1

Archivo: sp-mask.c Proyecto: benjohnson2001/base

NRArenaItem *
sp_mask_show (SPMask *mask, NRArena *arena, unsigned int key)
{
	NRArenaItem *ai, *ac;
	SPObject *child;

	g_return_val_if_fail (mask != NULL, NULL);
	g_return_val_if_fail (SP_IS_MASK (mask), NULL);
	g_return_val_if_fail (arena != NULL, NULL);
	g_return_val_if_fail (NR_IS_ARENA (arena), NULL);

	ai = nr_arena_item_new (arena, NR_TYPE_ARENA_GROUP);
	mask->display = sp_mask_view_new_prepend (mask->display, key, ai);

	for (child = SP_OBJECTGROUP (mask)->children; child != NULL; child = child->next) {
		if (SP_IS_ITEM (child)) {
			ac = sp_item_invoke_show (SP_ITEM (child), arena, key, SP_ITEM_REFERENCE_FLAGS);
			if (ac) {
				/* The order is not important in mask */
				nr_arena_item_add_child (ai, ac, NULL);
				nr_arena_item_unref (ac);
			}
		}
	}

	if (mask->maskContentUnits == SP_CONTENT_UNITS_OBJECTBOUNDINGBOX) {
		NRMatrixF t;
		nr_matrix_f_set_scale (&t, mask->display->bbox.x1 - mask->display->bbox.x0, mask->display->bbox.y1 - mask->display->bbox.y0);
		t.c[4] = mask->display->bbox.x0;
		t.c[5] = mask->display->bbox.y0;
		nr_arena_group_set_child_transform (NR_ARENA_GROUP (ai), &t);
	}

	return ai;
}

Ejemplo n.º 2

Archivo: sp-clippath.cpp Proyecto: wdmchaft/DoonSketch

NRArenaItem *
sp_clippath_show(SPClipPath *cp, NRArena *arena, unsigned int key)
{
    g_return_val_if_fail(cp != NULL, NULL);
    g_return_val_if_fail(SP_IS_CLIPPATH(cp), NULL);
    g_return_val_if_fail(arena != NULL, NULL);
    g_return_val_if_fail(NR_IS_ARENA(arena), NULL);

    NRArenaItem *ai = NRArenaGroup::create(arena);
    cp->display = sp_clippath_view_new_prepend(cp->display, key, ai);

    for (SPObject *child = sp_object_first_child(SP_OBJECT(cp)) ; child != NULL; child = SP_OBJECT_NEXT(child)) {
        if (SP_IS_ITEM(child)) {
            NRArenaItem *ac = sp_item_invoke_show(SP_ITEM(child), arena, key, SP_ITEM_REFERENCE_FLAGS);
            if (ac) {
                /* The order is not important in clippath */
                nr_arena_item_add_child(ai, ac, NULL);
            }
        }
    }

    if (cp->clipPathUnits == SP_CONTENT_UNITS_OBJECTBOUNDINGBOX) {
        Geom::Matrix t(Geom::Scale(cp->display->bbox.x1 - cp->display->bbox.x0, cp->display->bbox.y1 - cp->display->bbox.y0));
        t[4] = cp->display->bbox.x0;
        t[5] = cp->display->bbox.y0;
        nr_arena_group_set_child_transform(NR_ARENA_GROUP(ai), &t);
    }

    return ai;
}