/*
 * Copyright (c) 1998, 2017, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
 *
 * This code 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 General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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/*
 *
 * (C) Copyright IBM Corp. 1998, 1999 - All Rights Reserved
 */

package sun.font;

import java.awt.Font;
import java.awt.Graphics2D;
import java.awt.Rectangle;
import java.awt.Shape;
import java.awt.font.FontRenderContext;
import java.awt.font.GlyphVector;
import java.awt.geom.AffineTransform;
import java.awt.geom.Rectangle2D;

Implementation of TextLabel based on String.
/** * Implementation of TextLabel based on String. */
public class TextSourceLabel extends TextLabel { TextSource source; // caches Rectangle2D lb; Rectangle2D ab; Rectangle2D vb; Rectangle2D ib; GlyphVector gv; public TextSourceLabel(TextSource source) { this(source, null, null, null); } public TextSourceLabel(TextSource source, Rectangle2D lb, Rectangle2D ab, GlyphVector gv) { this.source = source; this.lb = lb; this.ab = ab; this.gv = gv; } public TextSource getSource() { return source; } public final Rectangle2D getLogicalBounds(float x, float y) { if (lb == null) { lb = createLogicalBounds(); } return new Rectangle2D.Float((float)(lb.getX() + x), (float)(lb.getY() + y), (float)lb.getWidth(), (float)lb.getHeight()); } public final Rectangle2D getVisualBounds(float x, float y) { if (vb == null) { vb = createVisualBounds(); } return new Rectangle2D.Float((float)(vb.getX() + x), (float)(vb.getY() + y), (float)vb.getWidth(), (float)vb.getHeight()); } public final Rectangle2D getAlignBounds(float x, float y) { if (ab == null) { ab = createAlignBounds(); } return new Rectangle2D.Float((float)(ab.getX() + x), (float)(ab.getY() + y), (float)ab.getWidth(), (float)ab.getHeight()); } public Rectangle2D getItalicBounds(float x, float y) { if (ib == null) { ib = createItalicBounds(); } return new Rectangle2D.Float((float)(ib.getX() + x), (float)(ib.getY() + y), (float)ib.getWidth(), (float)ib.getHeight()); } public Rectangle getPixelBounds(FontRenderContext frc, float x, float y) { return getGV().getPixelBounds(frc, x, y); // no cache } public AffineTransform getBaselineTransform() { Font font = source.getFont(); if (font.hasLayoutAttributes()) { return AttributeValues.getBaselineTransform(font.getAttributes()); } return null; } public Shape getOutline(float x, float y) { return getGV().getOutline(x, y); } public void draw(Graphics2D g, float x, float y) { g.drawGlyphVector(getGV(), x, y); } protected Rectangle2D createLogicalBounds() { return getGV().getLogicalBounds(); } protected Rectangle2D createVisualBounds() { return getGV().getVisualBounds(); } protected Rectangle2D createItalicBounds() { // !!! fix return getGV().getLogicalBounds(); } protected Rectangle2D createAlignBounds() { return createLogicalBounds(); } private GlyphVector getGV() { if (gv == null) { gv = createGV(); } return gv; } protected GlyphVector createGV() { Font font = source.getFont(); FontRenderContext frc = source.getFRC(); int flags = source.getLayoutFlags(); char[] context = source.getChars(); int start = source.getStart(); int length = source.getLength(); GlyphLayout gl = GlyphLayout.get(null); // !!! no custom layout engines StandardGlyphVector gv = gl.layout(font, frc, context, start, length, flags, null); // ??? use textsource GlyphLayout.done(gl); return gv; } }