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| 1 | +/* | |
| 2 | + * Copyright (c) 2008, 2011, 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 sun.font; | |
| 27 | + | |
| 28 | +import java.awt.Font; | |
| 29 | +import java.io.BufferedReader; | |
| 30 | +import java.io.File; | |
| 31 | +import java.io.FileInputStream; | |
| 32 | +import java.io.InputStreamReader; | |
| 33 | +import java.lang.ref.SoftReference; | |
| 34 | +import java.util.concurrent.ConcurrentHashMap; | |
| 35 | +import java.security.AccessController; | |
| 36 | + | |
| 37 | +import java.security.PrivilegedAction; | |
| 38 | +import javax.swing.plaf.FontUIResource; | |
| 39 | + | |
| 40 | +import sun.util.logging.PlatformLogger; | |
| 41 | + | |
| 42 | +/** | |
| 43 | + * A collection of utility methods. | |
| 44 | + */ | |
| 45 | +public final class FontUtilities { | |
| 46 | + | |
| 47 | + public static boolean isSolaris; | |
| 48 | + | |
| 49 | + public static boolean isLinux; | |
| 50 | + | |
| 51 | + public static boolean isSolaris8; | |
| 52 | + | |
| 53 | + public static boolean isSolaris9; | |
| 54 | + | |
| 55 | + public static boolean isOpenSolaris; | |
| 56 | + | |
| 57 | + public static boolean useT2K; | |
| 58 | + | |
| 59 | + public static boolean isWindows; | |
| 60 | + | |
| 61 | + public static boolean isOpenJDK; | |
| 62 | + | |
| 63 | + static final String LUCIDA_FILE_NAME = "LucidaSansRegular.ttf"; | |
| 64 | + | |
| 65 | + private static boolean debugFonts = false; | |
| 66 | + private static PlatformLogger logger = null; | |
| 67 | + private static boolean logging; | |
| 68 | + | |
| 69 | + // This static initializer block figures out the OS constants. | |
| 70 | + static { | |
| 71 | + | |
| 72 | + AccessController.doPrivileged(new PrivilegedAction () { | |
| 73 | + public Object run() { | |
| 74 | + String osName = System.getProperty("os.name", "unknownOS"); | |
| 75 | + isSolaris = osName.startsWith("SunOS"); | |
| 76 | + | |
| 77 | + isLinux = osName.startsWith("Linux"); | |
| 78 | + | |
| 79 | + String t2kStr = System.getProperty("sun.java2d.font.scaler"); | |
| 80 | + if (t2kStr != null) { | |
| 81 | + useT2K = "t2k".equals(t2kStr); | |
| 82 | + } else { | |
| 83 | + useT2K = false; | |
| 84 | + } | |
| 85 | + if (isSolaris) { | |
| 86 | + String version = System.getProperty("os.version", "0.0"); | |
| 87 | + isSolaris8 = version.startsWith("5.8"); | |
| 88 | + isSolaris9 = version.startsWith("5.9"); | |
| 89 | + float ver = Float.parseFloat(version); | |
| 90 | + if (ver > 5.10f) { | |
| 91 | + File f = new File("/etc/release"); | |
| 92 | + String line = null; | |
| 93 | + try { | |
| 94 | + FileInputStream fis = new FileInputStream(f); | |
| 95 | + InputStreamReader isr = new InputStreamReader( | |
| 96 | + fis, "ISO-8859-1"); | |
| 97 | + BufferedReader br = new BufferedReader(isr); | |
| 98 | + line = br.readLine(); | |
| 99 | + fis.close(); | |
| 100 | + } catch (Exception ex) { | |
| 101 | + // Nothing to do here. | |
| 102 | + } | |
| 103 | + if (line != null && line.indexOf("OpenSolaris") >= 0) { | |
| 104 | + isOpenSolaris = true; | |
| 105 | + } else { | |
| 106 | + isOpenSolaris = false; | |
| 107 | + } | |
| 108 | + } else { | |
| 109 | + isOpenSolaris = false; | |
| 110 | + } | |
| 111 | + } else { | |
| 112 | + isSolaris8 = false; | |
| 113 | + isSolaris9 = false; | |
| 114 | + isOpenSolaris = false; | |
| 115 | + } | |
| 116 | + isWindows = osName.startsWith("Windows"); | |
| 117 | + String jreLibDirName = System.getProperty("java.home", "") | |
| 118 | + + File.separator + "lib"; | |
| 119 | + String jreFontDirName = | |
| 120 | + jreLibDirName + File.separator + "fonts"; | |
| 121 | + File lucidaFile = new File(jreFontDirName + File.separator | |
| 122 | + + LUCIDA_FILE_NAME); | |
| 123 | + isOpenJDK = !lucidaFile.exists(); | |
| 124 | + | |
| 125 | + String debugLevel = | |
| 126 | + System.getProperty("sun.java2d.debugfonts"); | |
| 127 | + | |
| 128 | + if (debugLevel != null && !debugLevel.equals("false")) { | |
| 129 | + debugFonts = true; | |
| 130 | + logger = PlatformLogger.getLogger("sun.java2d"); | |
| 131 | + if (debugLevel.equals("warning")) { | |
| 132 | + logger.setLevel(PlatformLogger.WARNING); | |
| 133 | + } else if (debugLevel.equals("severe")) { | |
| 134 | + logger.setLevel(PlatformLogger.SEVERE); | |
| 135 | + } | |
| 136 | + } | |
| 137 | + | |
| 138 | + if (debugFonts) { | |
| 139 | + logger = PlatformLogger.getLogger("sun.java2d"); | |
| 140 | + logging = logger.isEnabled(); | |
| 141 | + } | |
| 142 | + | |
| 143 | + return null; | |
| 144 | + } | |
| 145 | + }); | |
| 146 | + } | |
| 147 | + | |
| 148 | + /** | |
| 149 | + * Referenced by code in the JDK which wants to test for the | |
| 150 | + * minimum char code for which layout may be required. | |
| 151 | + * Note that even basic latin text can benefit from ligatures, | |
| 152 | + * eg "ffi" but we presently apply those only if explicitly | |
| 153 | + * requested with TextAttribute.LIGATURES_ON. | |
| 154 | + * The value here indicates the lowest char code for which failing | |
| 155 | + * to invoke layout would prevent acceptable rendering. | |
| 156 | + */ | |
| 157 | + public static final int MIN_LAYOUT_CHARCODE = 0x0300; | |
| 158 | + | |
| 159 | + /** | |
| 160 | + * Referenced by code in the JDK which wants to test for the | |
| 161 | + * maximum char code for which layout may be required. | |
| 162 | + * Note this does not account for supplementary characters | |
| 163 | + * where the caller interprets 'layout' to mean any case where | |
| 164 | + * one 'char' (ie the java type char) does not map to one glyph | |
| 165 | + */ | |
| 166 | + public static final int MAX_LAYOUT_CHARCODE = 0x206F; | |
| 167 | + | |
| 168 | + /** | |
| 169 | + * Calls the private getFont2D() method in java.awt.Font objects. | |
| 170 | + * | |
| 171 | + * @param font the font object to call | |
| 172 | + * | |
| 173 | + * @return the Font2D object returned by Font.getFont2D() | |
| 174 | + */ | |
| 175 | + public static Font2D getFont2D(Font font) { | |
| 176 | + return FontAccess.getFontAccess().getFont2D(font); | |
| 177 | + } | |
| 178 | + | |
| 179 | + /** | |
| 180 | + * If there is anything in the text which triggers a case | |
| 181 | + * where char->glyph does not map 1:1 in straightforward | |
| 182 | + * left->right ordering, then this method returns true. | |
| 183 | + * Scripts which might require it but are not treated as such | |
| 184 | + * due to JDK implementations will not return true. | |
| 185 | + * ie a 'true' return is an indication of the treatment by | |
| 186 | + * the implementation. | |
| 187 | + * Whether supplementary characters should be considered is dependent | |
| 188 | + * on the needs of the caller. Since this method accepts the 'char' type | |
| 189 | + * then such chars are always represented by a pair. From a rendering | |
| 190 | + * perspective these will all (in the cases I know of) still be one | |
| 191 | + * unicode character -> one glyph. But if a caller is using this to | |
| 192 | + * discover any case where it cannot make naive assumptions about | |
| 193 | + * the number of chars, and how to index through them, then it may | |
| 194 | + * need the option to have a 'true' return in such a case. | |
| 195 | + */ | |
| 196 | + public static boolean isComplexText(char [] chs, int start, int limit) { | |
| 197 | + | |
| 198 | + for (int i = start; i < limit; i++) { | |
| 199 | + if (chs[i] < MIN_LAYOUT_CHARCODE) { | |
| 200 | + continue; | |
| 201 | + } | |
| 202 | + else if (isNonSimpleChar(chs[i])) { | |
| 203 | + return true; | |
| 204 | + } | |
| 205 | + } | |
| 206 | + return false; | |
| 207 | + } | |
| 208 | + | |
| 209 | + /* This is almost the same as the method above, except it takes a | |
| 210 | + * char which means it may include undecoded surrogate pairs. | |
| 211 | + * The distinction is made so that code which needs to identify all | |
| 212 | + * cases in which we do not have a simple mapping from | |
| 213 | + * char->unicode character->glyph can be be identified. | |
| 214 | + * For example measurement cannot simply sum advances of 'chars', | |
| 215 | + * the caret in editable text cannot advance one 'char' at a time, etc. | |
| 216 | + * These callers really are asking for more than whether 'layout' | |
| 217 | + * needs to be run, they need to know if they can assume 1->1 | |
| 218 | + * char->glyph mapping. | |
| 219 | + */ | |
| 220 | + public static boolean isNonSimpleChar(char ch) { | |
| 221 | + return | |
| 222 | + isComplexCharCode(ch) || | |
| 223 | + (ch >= CharToGlyphMapper.HI_SURROGATE_START && | |
| 224 | + ch <= CharToGlyphMapper.LO_SURROGATE_END); | |
| 225 | + } | |
| 226 | + | |
| 227 | + /* If the character code falls into any of a number of unicode ranges | |
| 228 | + * where we know that simple left->right layout mapping chars to glyphs | |
| 229 | + * 1:1 and accumulating advances is going to produce incorrect results, | |
| 230 | + * we want to know this so the caller can use a more intelligent layout | |
| 231 | + * approach. A caller who cares about optimum performance may want to | |
| 232 | + * check the first case and skip the method call if its in that range. | |
| 233 | + * Although there's a lot of tests in here, knowing you can skip | |
| 234 | + * CTL saves a great deal more. The rest of the checks are ordered | |
| 235 | + * so that rather than checking explicitly if (>= start & <= end) | |
| 236 | + * which would mean all ranges would need to be checked so be sure | |
| 237 | + * CTL is not needed, the method returns as soon as it recognises | |
| 238 | + * the code point is outside of a CTL ranges. | |
| 239 | + * NOTE: Since this method accepts an 'int' it is asssumed to properly | |
| 240 | + * represent a CHARACTER. ie it assumes the caller has already | |
| 241 | + * converted surrogate pairs into supplementary characters, and so | |
| 242 | + * can handle this case and doesn't need to be told such a case is | |
| 243 | + * 'complex'. | |
| 244 | + */ | |
| 245 | + public static boolean isComplexCharCode(int code) { | |
| 246 | + | |
| 247 | + if (code < MIN_LAYOUT_CHARCODE || code > MAX_LAYOUT_CHARCODE) { | |
| 248 | + return false; | |
| 249 | + } | |
| 250 | + else if (code <= 0x036f) { | |
| 251 | + // Trigger layout for combining diacriticals 0x0300->0x036f | |
| 252 | + return true; | |
| 253 | + } | |
| 254 | + else if (code < 0x0590) { | |
| 255 | + // No automatic layout for Greek, Cyrillic, Armenian. | |
| 256 | + return false; | |
| 257 | + } | |
| 258 | + else if (code <= 0x06ff) { | |
| 259 | + // Hebrew 0590 - 05ff | |
| 260 | + // Arabic 0600 - 06ff | |
| 261 | + return true; | |
| 262 | + } | |
| 263 | + else if (code < 0x0900) { | |
| 264 | + return false; // Syriac and Thaana | |
| 265 | + } | |
| 266 | + else if (code <= 0x0e7f) { | |
| 267 | + // if Indic, assume shaping for conjuncts, reordering: | |
| 268 | + // 0900 - 097F Devanagari | |
| 269 | + // 0980 - 09FF Bengali | |
| 270 | + // 0A00 - 0A7F Gurmukhi | |
| 271 | + // 0A80 - 0AFF Gujarati | |
| 272 | + // 0B00 - 0B7F Oriya | |
| 273 | + // 0B80 - 0BFF Tamil | |
| 274 | + // 0C00 - 0C7F Telugu | |
| 275 | + // 0C80 - 0CFF Kannada | |
| 276 | + // 0D00 - 0D7F Malayalam | |
| 277 | + // 0D80 - 0DFF Sinhala | |
| 278 | + // 0E00 - 0E7F if Thai, assume shaping for vowel, tone marks | |
| 279 | + return true; | |
| 280 | + } | |
| 281 | + else if (code < 0x0f00) { | |
| 282 | + return false; | |
| 283 | + } | |
| 284 | + else if (code <= 0x0fff) { // U+0F00 - U+0FFF Tibetan | |
| 285 | + return true; | |
| 286 | + } | |
| 287 | + else if (code < 0x1100) { | |
| 288 | + return false; | |
| 289 | + } | |
| 290 | + else if (code < 0x11ff) { // U+1100 - U+11FF Old Hangul | |
| 291 | + return true; | |
| 292 | + } | |
| 293 | + else if (code < 0x1780) { | |
| 294 | + return false; | |
| 295 | + } | |
| 296 | + else if (code <= 0x17ff) { // 1780 - 17FF Khmer | |
| 297 | + return true; | |
| 298 | + } | |
| 299 | + else if (code < 0x200c) { | |
| 300 | + return false; | |
| 301 | + } | |
| 302 | + else if (code <= 0x200d) { // zwj or zwnj | |
| 303 | + return true; | |
| 304 | + } | |
| 305 | + else if (code >= 0x202a && code <= 0x202e) { // directional control | |
| 306 | + return true; | |
| 307 | + } | |
| 308 | + else if (code >= 0x206a && code <= 0x206f) { // directional control | |
| 309 | + return true; | |
| 310 | + } | |
| 311 | + return false; | |
| 312 | + } | |
| 313 | + | |
| 314 | + public static PlatformLogger getLogger() { | |
| 315 | + return logger; | |
| 316 | + } | |
| 317 | + | |
| 318 | + public static boolean isLogging() { | |
| 319 | + return logging; | |
| 320 | + } | |
| 321 | + | |
| 322 | + public static boolean debugFonts() { | |
| 323 | + return debugFonts; | |
| 324 | + } | |
| 325 | + | |
| 326 | + | |
| 327 | + // The following methods are used by Swing. | |
| 328 | + | |
| 329 | + /* Revise the implementation to in fact mean "font is a composite font. | |
| 330 | + * This ensures that Swing components will always benefit from the | |
| 331 | + * fall back fonts | |
| 332 | + */ | |
| 333 | + public static boolean fontSupportsDefaultEncoding(Font font) { | |
| 334 | + return getFont2D(font) instanceof CompositeFont; | |
| 335 | + } | |
| 336 | + | |
| 337 | + /** | |
| 338 | + * This method is provided for internal and exclusive use by Swing. | |
| 339 | + * | |
| 340 | + * It may be used in conjunction with fontSupportsDefaultEncoding(Font) | |
| 341 | + * In the event that a desktop properties font doesn't directly | |
| 342 | + * support the default encoding, (ie because the host OS supports | |
| 343 | + * adding support for the current locale automatically for native apps), | |
| 344 | + * then Swing calls this method to get a font which uses the specified | |
| 345 | + * font for the code points it covers, but also supports this locale | |
| 346 | + * just as the standard composite fonts do. | |
| 347 | + * Note: this will over-ride any setting where an application | |
| 348 | + * specifies it prefers locale specific composite fonts. | |
| 349 | + * The logic for this, is that this method is used only where the user or | |
| 350 | + * application has specified that the native L&F be used, and that | |
| 351 | + * we should honour that request to use the same font as native apps use. | |
| 352 | + * | |
| 353 | + * The behaviour of this method is to construct a new composite | |
| 354 | + * Font object that uses the specified physical font as its first | |
| 355 | + * component, and adds all the components of "dialog" as fall back | |
| 356 | + * components. | |
| 357 | + * The method currently assumes that only the size and style attributes | |
| 358 | + * are set on the specified font. It doesn't copy the font transform or | |
| 359 | + * other attributes because they aren't set on a font created from | |
| 360 | + * the desktop. This will need to be fixed if use is broadened. | |
| 361 | + * | |
| 362 | + * Operations such as Font.deriveFont will work properly on the | |
| 363 | + * font returned by this method for deriving a different point size. | |
| 364 | + * Additionally it tries to support a different style by calling | |
| 365 | + * getNewComposite() below. That also supports replacing slot zero | |
| 366 | + * with a different physical font but that is expected to be "rare". | |
| 367 | + * Deriving with a different style is needed because its been shown | |
| 368 | + * that some applications try to do this for Swing FontUIResources. | |
| 369 | + * Also operations such as new Font(font.getFontName(..), Font.PLAIN, 14); | |
| 370 | + * will NOT yield the same result, as the new underlying CompositeFont | |
| 371 | + * cannot be "looked up" in the font registry. | |
| 372 | + * This returns a FontUIResource as that is the Font sub-class needed | |
| 373 | + * by Swing. | |
| 374 | + * Suggested usage is something like : | |
| 375 | + * FontUIResource fuir; | |
| 376 | + * Font desktopFont = getDesktopFont(..); | |
| 377 | + * // NOTE even if fontSupportsDefaultEncoding returns true because | |
| 378 | + * // you get Tahoma and are running in an English locale, you may | |
| 379 | + * // still want to just call getCompositeFontUIResource() anyway | |
| 380 | + * // as only then will you get fallback fonts - eg for CJK. | |
| 381 | + * if (FontManager.fontSupportsDefaultEncoding(desktopFont)) { | |
| 382 | + * fuir = new FontUIResource(..); | |
| 383 | + * } else { | |
| 384 | + * fuir = FontManager.getCompositeFontUIResource(desktopFont); | |
| 385 | + * } | |
| 386 | + * return fuir; | |
| 387 | + */ | |
| 388 | + private static volatile | |
| 389 | + SoftReference<ConcurrentHashMap<PhysicalFont, CompositeFont>> | |
| 390 | + compMapRef = new SoftReference(null); | |
| 391 | + | |
| 392 | + public static FontUIResource getCompositeFontUIResource(Font font) { | |
| 393 | + | |
| 394 | + FontUIResource fuir = new FontUIResource(font); | |
| 395 | + Font2D font2D = FontUtilities.getFont2D(font); | |
| 396 | + | |
| 397 | + if (!(font2D instanceof PhysicalFont)) { | |
| 398 | + /* Swing should only be calling this when a font is obtained | |
| 399 | + * from desktop properties, so should generally be a physical font, | |
| 400 | + * an exception might be for names like "MS Serif" which are | |
| 401 | + * automatically mapped to "Serif", so there's no need to do | |
| 402 | + * anything special in that case. But note that suggested usage | |
| 403 | + * is first to call fontSupportsDefaultEncoding(Font) and this | |
| 404 | + * method should not be called if that were to return true. | |
| 405 | + */ | |
| 406 | + return fuir; | |
| 407 | + } | |
| 408 | + | |
| 409 | + FontManager fm = FontManagerFactory.getInstance(); | |
| 410 | + CompositeFont dialog2D = | |
| 411 | + (CompositeFont) fm.findFont2D("dialog", font.getStyle(), | |
| 412 | + FontManager.NO_FALLBACK); | |
| 413 | + if (dialog2D == null) { /* shouldn't happen */ | |
| 414 | + return fuir; | |
| 415 | + } | |
| 416 | + PhysicalFont physicalFont = (PhysicalFont)font2D; | |
| 417 | + ConcurrentHashMap<PhysicalFont, CompositeFont> compMap = compMapRef.get(); | |
| 418 | + if (compMap == null) { // Its been collected. | |
| 419 | + compMap = new ConcurrentHashMap<PhysicalFont, CompositeFont>(); | |
| 420 | + compMapRef = new SoftReference(compMap); | |
| 421 | + } | |
| 422 | + CompositeFont compFont = compMap.get(physicalFont); | |
| 423 | + if (compFont == null) { | |
| 424 | + compFont = new CompositeFont(physicalFont, dialog2D); | |
| 425 | + compMap.put(physicalFont, compFont); | |
| 426 | + } | |
| 427 | + FontAccess.getFontAccess().setFont2D(fuir, compFont.handle); | |
| 428 | + /* marking this as a created font is needed as only created fonts | |
| 429 | + * copy their creator's handles. | |
| 430 | + */ | |
| 431 | + FontAccess.getFontAccess().setCreatedFont(fuir); | |
| 432 | + return fuir; | |
| 433 | + } | |
| 434 | + | |
| 435 | + /* A small "map" from GTK/fontconfig names to the equivalent JDK | |
| 436 | + * logical font name. | |
| 437 | + */ | |
| 438 | + private static final String[][] nameMap = { | |
| 439 | + {"sans", "sansserif"}, | |
| 440 | + {"sans-serif", "sansserif"}, | |
| 441 | + {"serif", "serif"}, | |
| 442 | + {"monospace", "monospaced"} | |
| 443 | + }; | |
| 444 | + | |
| 445 | + public static String mapFcName(String name) { | |
| 446 | + for (int i = 0; i < nameMap.length; i++) { | |
| 447 | + if (name.equals(nameMap[i][0])) { | |
| 448 | + return nameMap[i][1]; | |
| 449 | + } | |
| 450 | + } | |
| 451 | + return null; | |
| 452 | + } | |
| 453 | + | |
| 454 | + | |
| 455 | + /* This is called by Swing passing in a fontconfig family name | |
| 456 | + * such as "sans". In return Swing gets a FontUIResource instance | |
| 457 | + * that has queried fontconfig to resolve the font(s) used for this. | |
| 458 | + * Fontconfig will if asked return a list of fonts to give the largest | |
| 459 | + * possible code point coverage. | |
| 460 | + * For now we use only the first font returned by fontconfig, and | |
| 461 | + * back it up with the most closely matching JDK logical font. | |
| 462 | + * Essentially this means pre-pending what we return now with fontconfig's | |
| 463 | + * preferred physical font. This could lead to some duplication in cases, | |
| 464 | + * if we already included that font later. We probably should remove such | |
| 465 | + * duplicates, but it is not a significant problem. It can be addressed | |
| 466 | + * later as part of creating a Composite which uses more of the | |
| 467 | + * same fonts as fontconfig. At that time we also should pay more | |
| 468 | + * attention to the special rendering instructions fontconfig returns, | |
| 469 | + * such as whether we should prefer embedded bitmaps over antialiasing. | |
| 470 | + * There's no way to express that via a Font at present. | |
| 471 | + */ | |
| 472 | + public static FontUIResource getFontConfigFUIR(String fcFamily, | |
| 473 | + int style, int size) { | |
| 474 | + | |
| 475 | + String mapped = mapFcName(fcFamily); | |
| 476 | + if (mapped == null) { | |
| 477 | + mapped = "sansserif"; | |
| 478 | + } | |
| 479 | + | |
| 480 | + FontUIResource fuir; | |
| 481 | + FontManager fm = FontManagerFactory.getInstance(); | |
| 482 | + if (fm instanceof SunFontManager) { | |
| 483 | + SunFontManager sfm = (SunFontManager) fm; | |
| 484 | + fuir = sfm.getFontConfigFUIR(mapped, style, size); | |
| 485 | + } else { | |
| 486 | + fuir = new FontUIResource(mapped, style, size); | |
| 487 | + } | |
| 488 | + return fuir; | |
| 489 | + } | |
| 490 | + | |
| 491 | + | |
| 492 | + /** | |
| 493 | + * Used by windows printing to assess if a font is likely to | |
| 494 | + * be layout compatible with JDK | |
| 495 | + * TrueType fonts should be, but if they have no GPOS table, | |
| 496 | + * but do have a GSUB table, then they are probably older | |
| 497 | + * fonts GDI handles differently. | |
| 498 | + */ | |
| 499 | + public static boolean textLayoutIsCompatible(Font font) { | |
| 500 | + | |
| 501 | + Font2D font2D = getFont2D(font); | |
| 502 | + if (font2D instanceof TrueTypeFont) { | |
| 503 | + TrueTypeFont ttf = (TrueTypeFont) font2D; | |
| 504 | + return | |
| 505 | + ttf.getDirectoryEntry(TrueTypeFont.GSUBTag) == null || | |
| 506 | + ttf.getDirectoryEntry(TrueTypeFont.GPOSTag) != null; | |
| 507 | + } else { | |
| 508 | + return false; | |
| 509 | + } | |
| 510 | + } | |
| 511 | + | |
| 512 | +} | |