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| 1 | +/* | |
| 2 | + * Copyright (c) 1998, 2005, Oracle and/or its affiliates. All rights reserved. | |
| 3 | + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | |
| 4 | + * | |
| 5 | + * This code is free software; you can redistribute it and/or modify it | |
| 6 | + * under the terms of the GNU General Public License version 2 only, as | |
| 7 | + * published by the Free Software Foundation. Oracle designates this | |
| 8 | + * particular file as subject to the "Classpath" exception as provided | |
| 9 | + * by Oracle in the LICENSE file that accompanied this code. | |
| 10 | + * | |
| 11 | + * This code is distributed in the hope that it will be useful, but WITHOUT | |
| 12 | + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 13 | + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 14 | + * version 2 for more details (a copy is included in the LICENSE file that | |
| 15 | + * accompanied this code). | |
| 16 | + * | |
| 17 | + * You should have received a copy of the GNU General Public License version | |
| 18 | + * 2 along with this work; if not, write to the Free Software Foundation, | |
| 19 | + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
| 20 | + * | |
| 21 | + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | |
| 22 | + * or visit www.oracle.com if you need additional information or have any | |
| 23 | + * questions. | |
| 24 | + */ | |
| 25 | +/* | |
| 26 | + * | |
| 27 | + * (C) Copyright IBM Corp. 1998, 1999 - All Rights Reserved | |
| 28 | + */ | |
| 29 | + | |
| 30 | +package sun.font; | |
| 31 | + | |
| 32 | +import java.awt.Font; | |
| 33 | +import java.awt.Graphics2D; | |
| 34 | +import java.awt.Rectangle; | |
| 35 | +import java.awt.Shape; | |
| 36 | +import java.awt.font.FontRenderContext; | |
| 37 | +import java.awt.font.GlyphVector; | |
| 38 | +import java.awt.geom.AffineTransform; | |
| 39 | +import java.awt.geom.Rectangle2D; | |
| 40 | + | |
| 41 | +/** | |
| 42 | + * Implementation of TextLabel based on String. | |
| 43 | + */ | |
| 44 | + | |
| 45 | +public class TextSourceLabel extends TextLabel { | |
| 46 | + TextSource source; | |
| 47 | + | |
| 48 | + // caches | |
| 49 | + Rectangle2D lb; | |
| 50 | + Rectangle2D ab; | |
| 51 | + Rectangle2D vb; | |
| 52 | + Rectangle2D ib; | |
| 53 | + GlyphVector gv; | |
| 54 | + | |
| 55 | + public TextSourceLabel(TextSource source) { | |
| 56 | + this(source, null, null, null); | |
| 57 | + } | |
| 58 | + | |
| 59 | + public TextSourceLabel(TextSource source, Rectangle2D lb, Rectangle2D ab, GlyphVector gv) { | |
| 60 | + this.source = source; | |
| 61 | + | |
| 62 | + this.lb = lb; | |
| 63 | + this.ab = ab; | |
| 64 | + this.gv = gv; | |
| 65 | + } | |
| 66 | + | |
| 67 | + public TextSource getSource() { | |
| 68 | + return source; | |
| 69 | + } | |
| 70 | + | |
| 71 | + public final Rectangle2D getLogicalBounds(float x, float y) { | |
| 72 | + if (lb == null) { | |
| 73 | + lb = createLogicalBounds(); | |
| 74 | + } | |
| 75 | + return new Rectangle2D.Float((float)(lb.getX() + x), | |
| 76 | + (float)(lb.getY() + y), | |
| 77 | + (float)lb.getWidth(), | |
| 78 | + (float)lb.getHeight()); | |
| 79 | + } | |
| 80 | + | |
| 81 | + public final Rectangle2D getVisualBounds(float x, float y) { | |
| 82 | + if (vb == null) { | |
| 83 | + vb = createVisualBounds(); | |
| 84 | + | |
| 85 | + } | |
| 86 | + return new Rectangle2D.Float((float)(vb.getX() + x), | |
| 87 | + (float)(vb.getY() + y), | |
| 88 | + (float)vb.getWidth(), | |
| 89 | + (float)vb.getHeight()); | |
| 90 | + } | |
| 91 | + | |
| 92 | + public final Rectangle2D getAlignBounds(float x, float y) { | |
| 93 | + if (ab == null) { | |
| 94 | + ab = createAlignBounds(); | |
| 95 | + } | |
| 96 | + return new Rectangle2D.Float((float)(ab.getX() + x), | |
| 97 | + (float)(ab.getY() + y), | |
| 98 | + (float)ab.getWidth(), | |
| 99 | + (float)ab.getHeight()); | |
| 100 | + } | |
| 101 | + | |
| 102 | + public Rectangle2D getItalicBounds(float x, float y) { | |
| 103 | + if (ib == null) { | |
| 104 | + ib = createItalicBounds(); | |
| 105 | + } | |
| 106 | + return new Rectangle2D.Float((float)(ib.getX() + x), | |
| 107 | + (float)(ib.getY() + y), | |
| 108 | + (float)ib.getWidth(), | |
| 109 | + (float)ib.getHeight()); | |
| 110 | + | |
| 111 | + } | |
| 112 | + | |
| 113 | + public Rectangle getPixelBounds(FontRenderContext frc, float x, float y) { | |
| 114 | + return getGV().getPixelBounds(frc, x, y); // no cache | |
| 115 | + } | |
| 116 | + | |
| 117 | + public AffineTransform getBaselineTransform() { | |
| 118 | + Font font = source.getFont(); | |
| 119 | + if (font.hasLayoutAttributes()) { | |
| 120 | + return AttributeValues.getBaselineTransform(font.getAttributes()); | |
| 121 | + } | |
| 122 | + return null; | |
| 123 | + } | |
| 124 | + | |
| 125 | + public Shape getOutline(float x, float y) { | |
| 126 | + return getGV().getOutline(x, y); | |
| 127 | + } | |
| 128 | + | |
| 129 | + public void draw(Graphics2D g, float x, float y) { | |
| 130 | + g.drawGlyphVector(getGV(), x, y); | |
| 131 | + } | |
| 132 | + | |
| 133 | + protected Rectangle2D createLogicalBounds() { | |
| 134 | + return getGV().getLogicalBounds(); | |
| 135 | + } | |
| 136 | + | |
| 137 | + protected Rectangle2D createVisualBounds() { | |
| 138 | + return getGV().getVisualBounds(); | |
| 139 | + } | |
| 140 | + | |
| 141 | + protected Rectangle2D createItalicBounds() { | |
| 142 | + // !!! fix | |
| 143 | + return getGV().getLogicalBounds(); | |
| 144 | + } | |
| 145 | + | |
| 146 | + protected Rectangle2D createAlignBounds() { | |
| 147 | + return createLogicalBounds(); | |
| 148 | + } | |
| 149 | + | |
| 150 | + private final GlyphVector getGV() { | |
| 151 | + if (gv == null) { | |
| 152 | + gv = createGV(); | |
| 153 | + } | |
| 154 | + | |
| 155 | + return gv; | |
| 156 | + } | |
| 157 | + | |
| 158 | + protected GlyphVector createGV() { | |
| 159 | + Font font = source.getFont(); | |
| 160 | + FontRenderContext frc = source.getFRC(); | |
| 161 | + int flags = source.getLayoutFlags(); | |
| 162 | + char[] context = source.getChars(); | |
| 163 | + int start = source.getStart(); | |
| 164 | + int length = source.getLength(); | |
| 165 | + | |
| 166 | + GlyphLayout gl = GlyphLayout.get(null); // !!! no custom layout engines | |
| 167 | + StandardGlyphVector gv = gl.layout(font, frc, context, start, length, | |
| 168 | + flags, null); // ??? use textsource | |
| 169 | + GlyphLayout.done(gl); | |
| 170 | + | |
| 171 | + return gv; | |
| 172 | + } | |
| 173 | +} | |