1 /*
2 * Copyright (c) 2011, 2013, 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 package com.sun.javafx.font;
27
28 import java.lang.ref.WeakReference;
29 import java.util.concurrent.ConcurrentHashMap;
30 import java.util.Map;
31
32 import com.sun.javafx.geom.transform.BaseTransform;
33
34
35 /*
36 * Wraps a physical font and adds an appropriate fallback resource.
37 */
38
39 class PrismCompositeFontResource implements CompositeFontResource {
40
41 private FontResource primaryResource;
42 private FallbackResource fallbackResource; // is a composite too.
43
44 PrismCompositeFontResource(FontResource primaryResource,
45 String lookupName) {
46 // remind go through and make the typing better.
47 if (!(primaryResource instanceof PrismFontFile)) {
48 Thread.dumpStack();
49 throw new IllegalStateException("wrong resource type");
50 }
51 if (lookupName != null) {
52 PrismFontFactory factory = PrismFontFactory.getFontFactory();
53 factory.compResourceMap.put(lookupName, this);
54 }
55 this.primaryResource = primaryResource;
56 int aaMode = primaryResource.getDefaultAAMode();
57 boolean bold = primaryResource.isBold();
58 boolean italic = primaryResource.isItalic();
59 fallbackResource =
60 FallbackResource.getFallbackResource(bold, italic, aaMode);
61 }
62
63 public int getNumSlots() {
64 return fallbackResource.getNumSlots()+1;
65 }
66
67 public int getSlotForFont(String fontName) {
68 if (primaryResource.getFullName().equalsIgnoreCase(fontName)) {
69 return 0;
70 }
71 return fallbackResource.getSlotForFont(fontName) + 1;
72 }
73
74 public FontResource getSlotResource(int slot) {
75 if (slot == 0) {
76 return primaryResource;
77 } else {
78 FontResource fb = fallbackResource.getSlotResource(slot-1);
79 if (fb != null) {
80 return fb;
81 } else {
82 return primaryResource;
83 }
84 }
85 }
86
87 public String getFullName() {
88 return primaryResource.getFullName();
89 }
90
91 public String getPSName() {
92 return primaryResource.getPSName();
93 }
94
95 public String getFamilyName() {
96 return primaryResource.getFamilyName();
97 }
98
99 public String getStyleName() {
100 return primaryResource.getStyleName();
101 }
102
103 public String getLocaleFullName() {
104 return primaryResource.getLocaleFullName();
105 }
106
107 public String getLocaleFamilyName() {
108 return primaryResource.getLocaleFamilyName();
109 }
110
111 public String getLocaleStyleName() {
112 return primaryResource.getLocaleStyleName();
113 }
114
115 public String getFileName() {
116 return primaryResource.getFileName();
117 }
118
119 public int getFeatures() {
120 return primaryResource.getFeatures();
121 }
122
123 public Object getPeer() {
124 return primaryResource.getPeer();
125 }
126
127 public void setPeer(Object peer) {
128 throw new UnsupportedOperationException("Not supported");
129 }
130
131 public boolean isEmbeddedFont() {
132 return primaryResource.isEmbeddedFont();
133 }
134
135 public boolean isBold() {
136 return primaryResource.isBold();
137 }
138
139 public boolean isItalic() {
140 return primaryResource.isItalic();
141 }
142
143 CompositeGlyphMapper mapper;
144 public CharToGlyphMapper getGlyphMapper() {
145 if (mapper == null) {
146 mapper = new CompositeGlyphMapper(this);
147 }
148 return mapper;
149 }
150
151 public float[] getGlyphBoundingBox(int glyphCode,
152 float size, float[] retArr) {
153 int slot = (glyphCode >>> 24);
154 int slotglyphCode = glyphCode & CompositeGlyphMapper.GLYPHMASK;
155 FontResource slotResource = getSlotResource(slot);
156 return slotResource.getGlyphBoundingBox(slotglyphCode, size, retArr);
157 }
158
159 public float getAdvance(int glyphCode, float size) {
160 int slot = (glyphCode >>> 24);
161 int slotglyphCode = glyphCode & CompositeGlyphMapper.GLYPHMASK;
162 FontResource slotResource = getSlotResource(slot);
163 return slotResource.getAdvance(slotglyphCode, size);
164 }
165
166 Map<FontStrikeDesc, WeakReference<FontStrike>> strikeMap =
167 new ConcurrentHashMap<FontStrikeDesc, WeakReference<FontStrike>>();
168
169 public Map<FontStrikeDesc, WeakReference<FontStrike>> getStrikeMap() {
170 return strikeMap;
171 }
172
173 public int getDefaultAAMode() {
174 return getSlotResource(0).getDefaultAAMode();
175 }
176
177 public FontStrike getStrike(float size, BaseTransform transform) {
178 return getStrike(size, transform, getDefaultAAMode());
179 }
180
181 public FontStrike getStrike(float size, BaseTransform transform,
182 int aaMode) {
183 FontStrikeDesc desc = new FontStrikeDesc(size, transform, aaMode);
184 WeakReference<FontStrike> ref = strikeMap.get(desc);
185 CompositeStrike strike = null;
186 if (ref != null) {
187 strike = (CompositeStrike)ref.get();
188 }
189 if (strike == null) {
190 strike = new CompositeStrike(this, size, transform, aaMode, desc);
191 if (strike.disposer != null) {
192 ref = Disposer.addRecord(strike, strike.disposer);
193 } else {
194 ref = new WeakReference<FontStrike>(strike);
195 }
196 strikeMap.put(desc, ref);
197 }
198 return strike;
199 }
200
201 @Override
202 public boolean equals(Object obj) {
203 if (obj == null) {
204 return false;
205 }
206 if (!(obj instanceof PrismCompositeFontResource)) {
207 return false;
208 }
209 final PrismCompositeFontResource other = (PrismCompositeFontResource)obj;
210 return primaryResource.equals(other.primaryResource);
211 }
212
213 @Override
214 public int hashCode() {
215 return primaryResource.hashCode();
216 }
217 }