C++ (Cpp) sp_canvas_item_set Examples

Example #1

File: draw-context.c Project: benjohnson2001/base

static SPDrawAnchor *
sp_draw_anchor_test (SPDrawAnchor *anchor, gdouble wx, gdouble wy, gboolean activate)
{
	if (activate && (fabs (wx - anchor->wp.x) <= A_SNAP) && (fabs (wy - anchor->wp.y) <= A_SNAP)) {
		if (!anchor->active) {
			sp_canvas_item_set ((GtkObject *) anchor->ctrl, "filled", TRUE, NULL);
			anchor->active = TRUE;
		}
		return anchor;
	}

	if (anchor->active) {
		sp_canvas_item_set ((GtkObject *) anchor->ctrl, "filled", FALSE, NULL);
		anchor->active = FALSE;
	}
	return NULL;
}

Example #2

File: draw-anchor.cpp Project: loveq369/DoonSketch

/**
 * Test if point is near anchor, if so fill anchor on canvas and return
 * pointer to it or NULL.
 */
SPDrawAnchor *sp_draw_anchor_test(SPDrawAnchor *anchor, Geom::Point w, gboolean activate)
{
    SPDesktop *dt = SP_EVENT_CONTEXT_DESKTOP(anchor->dc);

    if ( activate && ( Geom::LInfty( w - dt->d2w(anchor->dp) ) <= A_SNAP ) ) {
        if (!anchor->active) {
            sp_canvas_item_set((GtkObject *) anchor->ctrl, "fill_color", FILL_COLOR_MOUSEOVER, NULL);
            anchor->active = TRUE;
        }
        return anchor;
    }

    if (anchor->active) {
        sp_canvas_item_set((GtkObject *) anchor->ctrl, "fill_color", FILL_COLOR_NORMAL, NULL);
        anchor->active = FALSE;
    }
    return NULL;
}