/*
* $Id$
*
* Copyright (C) 2003-2014 JNode.org
*
* This library is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published
* by the Free Software Foundation; either version 2.1 of the License, or
* (at your option) any later version.
*
* This library is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
* License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this library; If not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
package org.jnode.awt.font.renderer;
import java.awt.geom.Area;
import org.jnode.awt.font.spi.Glyph;
import org.jnode.awt.font.spi.ShapedGlyph;
/**
* @author Ewout Prangsma (epr@users.sourceforge.net)
*/
public final class RenderCache {
/**
* The current rendering context
*/
private final RenderContext ctx;
/**
* Initialize this instance.
*
* @param ctx
*/
public RenderCache(RenderContext ctx) {
this.ctx = ctx;
}
public final GlyphRenderer getRenderer(Glyph g, double ascent) {
GlyphRenderer r = (GlyphRenderer) ctx.getObject(g);
if (r == null) {
Area area;
if (g instanceof ShapedGlyph)
area = new Area(((ShapedGlyph) g).getShape());
else
area = new Area(g.getBBox());
r = new GlyphRenderer(ctx, area, ascent);
ctx.setObject(g, r);
}
return r;
}
/**
* Gets the current rendering context.
*
* @return the RenderContext
*/
public final RenderContext getContext() {
return ctx;
}
}