J. Duke | 319a3b9 | 2007-12-01 00:00:00 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * Portions Copyright 2004-2006 Sun Microsystems, Inc. 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. Sun designates this |
| 8 | * particular file as subject to the "Classpath" exception as provided |
| 9 | * by Sun 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
| 22 | * CA 95054 USA or visit www.sun.com if you need additional information or |
| 23 | * have any questions. |
| 24 | */ |
| 25 | |
| 26 | /* |
| 27 | * |
| 28 | * (C) Copyright IBM Corp. 2005 - All Rights Reserved |
| 29 | * |
| 30 | * The original version of this source code and documentation is |
| 31 | * copyrighted and owned by IBM. These materials are provided |
| 32 | * under terms of a License Agreement between IBM and Sun. |
| 33 | * This technology is protected by multiple US and International |
| 34 | * patents. This notice and attribution to IBM may not be removed. |
| 35 | */ |
| 36 | |
| 37 | package sun.font; |
| 38 | |
| 39 | import static sun.font.EAttribute.*; |
| 40 | import static java.lang.Math.*; |
| 41 | |
| 42 | import java.awt.Font; |
| 43 | import java.awt.Paint; |
| 44 | import java.awt.Toolkit; |
| 45 | import java.awt.font.GraphicAttribute; |
| 46 | import java.awt.font.NumericShaper; |
| 47 | import java.awt.font.TextAttribute; |
| 48 | import java.awt.font.TransformAttribute; |
| 49 | import java.awt.geom.AffineTransform; |
| 50 | import java.awt.geom.NoninvertibleTransformException; |
| 51 | import java.awt.geom.Point2D; |
| 52 | import java.awt.im.InputMethodHighlight; |
| 53 | import java.io.Serializable; |
| 54 | import java.text.Annotation; |
| 55 | import java.text.AttributedCharacterIterator.Attribute; |
| 56 | import java.util.Map; |
| 57 | import java.util.HashMap; |
| 58 | import java.util.Hashtable; |
| 59 | |
| 60 | public final class AttributeValues implements Cloneable { |
| 61 | private int defined; |
| 62 | private int nondefault; |
| 63 | |
| 64 | private String family = "Default"; |
| 65 | private float weight = 1f; |
| 66 | private float width = 1f; |
| 67 | private float posture; // 0f |
| 68 | private float size = 12f; |
| 69 | private float tracking; // 0f |
| 70 | private NumericShaper numericShaping; // null |
| 71 | private AffineTransform transform; // null == identity |
| 72 | private GraphicAttribute charReplacement; // null |
| 73 | private Paint foreground; // null |
| 74 | private Paint background; // null |
| 75 | private float justification = 1f; |
| 76 | private Object imHighlight; // null |
| 77 | // (can be either Attribute wrapping IMH, or IMH itself |
| 78 | private Font font; // here for completeness, don't actually use |
| 79 | private byte imUnderline = -1; // same default as underline |
| 80 | private byte superscript; // 0 |
| 81 | private byte underline = -1; // arrgh, value for ON is 0 |
| 82 | private byte runDirection = -2; // BIDI.DIRECTION_DEFAULT_LEFT_TO_RIGHT |
| 83 | private byte bidiEmbedding; // 0 |
| 84 | private byte kerning; // 0 |
| 85 | private byte ligatures; // 0 |
| 86 | private boolean strikethrough; // false |
| 87 | private boolean swapColors; // false |
| 88 | |
| 89 | private AffineTransform baselineTransform; // derived from transform |
| 90 | private AffineTransform charTransform; // derived from transform |
| 91 | |
| 92 | private static final AttributeValues DEFAULT = new AttributeValues(); |
| 93 | |
| 94 | // type-specific API |
| 95 | public String getFamily() { return family; } |
| 96 | public void setFamily(String f) { this.family = f; update(EFAMILY); } |
| 97 | |
| 98 | public float getWeight() { return weight; } |
| 99 | public void setWeight(float f) { this.weight = f; update(EWEIGHT); } |
| 100 | |
| 101 | public float getWidth() { return width; } |
| 102 | public void setWidth(float f) { this.width = f; update(EWIDTH); } |
| 103 | |
| 104 | public float getPosture() { return posture; } |
| 105 | public void setPosture(float f) { this.posture = f; update(EPOSTURE); } |
| 106 | |
| 107 | public float getSize() { return size; } |
| 108 | public void setSize(float f) { this.size = f; update(ESIZE); } |
| 109 | |
| 110 | public AffineTransform getTransform() { return transform; } |
| 111 | public void setTransform(AffineTransform f) { |
| 112 | this.transform = (f == null || f.isIdentity()) |
| 113 | ? DEFAULT.transform |
| 114 | : new AffineTransform(f); |
| 115 | updateDerivedTransforms(); |
| 116 | update(ETRANSFORM); |
| 117 | } |
| 118 | public void setTransform(TransformAttribute f) { |
| 119 | this.transform = (f == null || f.isIdentity()) |
| 120 | ? DEFAULT.transform |
| 121 | : f.getTransform(); |
| 122 | updateDerivedTransforms(); |
| 123 | update(ETRANSFORM); |
| 124 | } |
| 125 | |
| 126 | public int getSuperscript() { return superscript; } |
| 127 | public void setSuperscript(int f) { |
| 128 | this.superscript = (byte)f; update(ESUPERSCRIPT); } |
| 129 | |
| 130 | public Font getFont() { return font; } |
| 131 | public void setFont(Font f) { this.font = f; update(EFONT); } |
| 132 | |
| 133 | public GraphicAttribute getCharReplacement() { return charReplacement; } |
| 134 | public void setCharReplacement(GraphicAttribute f) { |
| 135 | this.charReplacement = f; update(ECHAR_REPLACEMENT); } |
| 136 | |
| 137 | public Paint getForeground() { return foreground; } |
| 138 | public void setForeground(Paint f) { |
| 139 | this.foreground = f; update(EFOREGROUND); } |
| 140 | |
| 141 | public Paint getBackground() { return background; } |
| 142 | public void setBackground(Paint f) { |
| 143 | this.background = f; update(EBACKGROUND); } |
| 144 | |
| 145 | public int getUnderline() { return underline; } |
| 146 | public void setUnderline(int f) { |
| 147 | this.underline = (byte)f; update(EUNDERLINE); } |
| 148 | |
| 149 | public boolean getStrikethrough() { return strikethrough; } |
| 150 | public void setStrikethrough(boolean f) { |
| 151 | this.strikethrough = f; update(ESTRIKETHROUGH); } |
| 152 | |
| 153 | public int getRunDirection() { return runDirection; } |
| 154 | public void setRunDirection(int f) { |
| 155 | this.runDirection = (byte)f; update(ERUN_DIRECTION); } |
| 156 | |
| 157 | public int getBidiEmbedding() { return bidiEmbedding; } |
| 158 | public void setBidiEmbedding(int f) { |
| 159 | this.bidiEmbedding = (byte)f; update(EBIDI_EMBEDDING); } |
| 160 | |
| 161 | public float getJustification() { return justification; } |
| 162 | public void setJustification(float f) { |
| 163 | this.justification = f; update(EJUSTIFICATION); } |
| 164 | |
| 165 | public Object getInputMethodHighlight() { return imHighlight; } |
| 166 | public void setInputMethodHighlight(Annotation f) { |
| 167 | this.imHighlight = f; update(EINPUT_METHOD_HIGHLIGHT); } |
| 168 | public void setInputMethodHighlight(InputMethodHighlight f) { |
| 169 | this.imHighlight = f; update(EINPUT_METHOD_HIGHLIGHT); } |
| 170 | |
| 171 | public int getInputMethodUnderline() { return imUnderline; } |
| 172 | public void setInputMethodUnderline(int f) { |
| 173 | this.imUnderline = (byte)f; update(EINPUT_METHOD_UNDERLINE); } |
| 174 | |
| 175 | public boolean getSwapColors() { return swapColors; } |
| 176 | public void setSwapColors(boolean f) { |
| 177 | this.swapColors = f; update(ESWAP_COLORS); } |
| 178 | |
| 179 | public NumericShaper getNumericShaping() { return numericShaping; } |
| 180 | public void setNumericShaping(NumericShaper f) { |
| 181 | this.numericShaping = f; update(ENUMERIC_SHAPING); } |
| 182 | |
| 183 | public int getKerning() { return kerning; } |
| 184 | public void setKerning(int f) { |
| 185 | this.kerning = (byte)f; update(EKERNING); } |
| 186 | |
| 187 | public float getTracking() { return tracking; } |
| 188 | public void setTracking(float f) { |
| 189 | this.tracking = (byte)f; update(ETRACKING); } |
| 190 | |
| 191 | public int getLigatures() { return ligatures; } |
| 192 | public void setLigatures(int f) { |
| 193 | this.ligatures = (byte)f; update(ELIGATURES); } |
| 194 | |
| 195 | |
| 196 | public AffineTransform getBaselineTransform() { return baselineTransform; } |
| 197 | public AffineTransform getCharTransform() { return charTransform; } |
| 198 | |
| 199 | // mask api |
| 200 | |
| 201 | public static int getMask(EAttribute att) { |
| 202 | return att.mask; |
| 203 | } |
| 204 | |
| 205 | public static int getMask(EAttribute ... atts) { |
| 206 | int mask = 0; |
| 207 | for (EAttribute a: atts) { |
| 208 | mask |= a.mask; |
| 209 | } |
| 210 | return mask; |
| 211 | } |
| 212 | |
| 213 | public static final int MASK_ALL = |
| 214 | getMask(EAttribute.class.getEnumConstants()); |
| 215 | |
| 216 | public void unsetDefault() { |
| 217 | defined &= nondefault; |
| 218 | } |
| 219 | |
| 220 | public void defineAll(int mask) { |
| 221 | defined |= mask; |
| 222 | if ((defined & EBASELINE_TRANSFORM.mask) != 0) { |
| 223 | throw new InternalError("can't define derived attribute"); |
| 224 | } |
| 225 | } |
| 226 | |
| 227 | public boolean allDefined(int mask) { |
| 228 | return (defined & mask) == mask; |
| 229 | } |
| 230 | |
| 231 | public boolean anyDefined(int mask) { |
| 232 | return (defined & mask) != 0; |
| 233 | } |
| 234 | |
| 235 | public boolean anyNonDefault(int mask) { |
| 236 | return (nondefault & mask) != 0; |
| 237 | } |
| 238 | |
| 239 | // generic EAttribute API |
| 240 | |
| 241 | public boolean isDefined(EAttribute a) { |
| 242 | return (defined & a.mask) != 0; |
| 243 | } |
| 244 | |
| 245 | public boolean isNonDefault(EAttribute a) { |
| 246 | return (nondefault & a.mask) != 0; |
| 247 | } |
| 248 | |
| 249 | public void setDefault(EAttribute a) { |
| 250 | if (a.att == null) { |
| 251 | throw new InternalError("can't set default derived attribute: " + a); |
| 252 | } |
| 253 | i_set(a, DEFAULT); |
| 254 | defined |= a.mask; |
| 255 | nondefault &= ~a.mask; |
| 256 | } |
| 257 | |
| 258 | public void unset(EAttribute a) { |
| 259 | if (a.att == null) { |
| 260 | throw new InternalError("can't unset derived attribute: " + a); |
| 261 | } |
| 262 | i_set(a, DEFAULT); |
| 263 | defined &= ~a.mask; |
| 264 | nondefault &= ~a.mask; |
| 265 | } |
| 266 | |
| 267 | public void set(EAttribute a, AttributeValues src) { |
| 268 | if (a.att == null) { |
| 269 | throw new InternalError("can't set derived attribute: " + a); |
| 270 | } |
| 271 | if (src == null || src == DEFAULT) { |
| 272 | setDefault(a); |
| 273 | } else { |
| 274 | if ((src.defined & a.mask) != 0) { |
| 275 | i_set(a, src); |
| 276 | update(a); |
| 277 | } |
| 278 | } |
| 279 | } |
| 280 | |
| 281 | public void set(EAttribute a, Object o) { |
| 282 | if (a.att == null) { |
| 283 | throw new InternalError("can't set derived attribute: " + a); |
| 284 | } |
| 285 | if (o != null) { |
| 286 | try { |
| 287 | i_set(a, o); |
| 288 | update(a); |
| 289 | return; |
| 290 | } catch (Exception e) { |
| 291 | } |
| 292 | } |
| 293 | setDefault(a); |
| 294 | } |
| 295 | |
| 296 | public Object get(EAttribute a) { |
| 297 | if (a.att == null) { |
| 298 | throw new InternalError("can't get derived attribute: " + a); |
| 299 | } |
| 300 | if ((nondefault & a.mask) != 0) { |
| 301 | return i_get(a); |
| 302 | } |
| 303 | return null; |
| 304 | } |
| 305 | |
| 306 | // merging |
| 307 | |
| 308 | public AttributeValues merge(Map<? extends Attribute, ?>map) { |
| 309 | return merge(map, MASK_ALL); |
| 310 | } |
| 311 | |
| 312 | public AttributeValues merge(Map<? extends Attribute, ?>map, |
| 313 | int mask) { |
| 314 | if (map instanceof AttributeMap && |
| 315 | ((AttributeMap) map).getValues() != null) { |
| 316 | merge(((AttributeMap)map).getValues(), mask); |
| 317 | } else if (map != null && !map.isEmpty()) { |
| 318 | for (Map.Entry<? extends Attribute, ?> e: map.entrySet()) { |
| 319 | try { |
| 320 | EAttribute ea = EAttribute.forAttribute(e.getKey()); |
| 321 | if (ea!= null && (mask & ea.mask) != 0) { |
| 322 | set(ea, e.getValue()); |
| 323 | } |
| 324 | } catch (ClassCastException cce) { |
| 325 | // IGNORED |
| 326 | } |
| 327 | } |
| 328 | } |
| 329 | return this; |
| 330 | } |
| 331 | |
| 332 | public AttributeValues merge(AttributeValues src) { |
| 333 | return merge(src, MASK_ALL); |
| 334 | } |
| 335 | |
| 336 | public AttributeValues merge(AttributeValues src, int mask) { |
| 337 | int m = mask & src.defined; |
| 338 | for (EAttribute ea: EAttribute.atts) { |
| 339 | if (m == 0) { |
| 340 | break; |
| 341 | } |
| 342 | if ((m & ea.mask) != 0) { |
| 343 | m &= ~ea.mask; |
| 344 | i_set(ea, src); |
| 345 | update(ea); |
| 346 | } |
| 347 | } |
| 348 | return this; |
| 349 | } |
| 350 | |
| 351 | // creation API |
| 352 | |
| 353 | public static AttributeValues fromMap(Map<? extends Attribute, ?> map) { |
| 354 | return fromMap(map, MASK_ALL); |
| 355 | } |
| 356 | |
| 357 | public static AttributeValues fromMap(Map<? extends Attribute, ?> map, |
| 358 | int mask) { |
| 359 | return new AttributeValues().merge(map, mask); |
| 360 | } |
| 361 | |
| 362 | public Map<TextAttribute, Object> toMap(Map<TextAttribute, Object> fill) { |
| 363 | if (fill == null) { |
| 364 | fill = new HashMap<TextAttribute, Object>(); |
| 365 | } |
| 366 | |
| 367 | for (int m = defined, i = 0; m != 0; ++i) { |
| 368 | EAttribute ea = EAttribute.atts[i]; |
| 369 | if ((m & ea.mask) != 0) { |
| 370 | m &= ~ea.mask; |
| 371 | fill.put(ea.att, get(ea)); |
| 372 | } |
| 373 | } |
| 374 | |
| 375 | return fill; |
| 376 | } |
| 377 | |
| 378 | // key must be serializable, so use String, not Object |
| 379 | private static final String DEFINED_KEY = |
| 380 | "sun.font.attributevalues.defined_key"; |
| 381 | |
| 382 | public static boolean is16Hashtable(Hashtable<Object, Object> ht) { |
| 383 | return ht.containsKey(DEFINED_KEY); |
| 384 | } |
| 385 | |
| 386 | public static AttributeValues |
| 387 | fromSerializableHashtable(Hashtable<Object, Object> ht) |
| 388 | { |
| 389 | AttributeValues result = new AttributeValues(); |
| 390 | if (ht != null && !ht.isEmpty()) { |
| 391 | for (Map.Entry<Object, Object> e: ht.entrySet()) { |
| 392 | Object key = e.getKey(); |
| 393 | Object val = e.getValue(); |
| 394 | if (key.equals(DEFINED_KEY)) { |
| 395 | result.defineAll(((Integer)val).intValue()); |
| 396 | } else { |
| 397 | try { |
| 398 | EAttribute ea = |
| 399 | EAttribute.forAttribute((Attribute)key); |
| 400 | if (ea != null) { |
| 401 | result.set(ea, val); |
| 402 | } |
| 403 | } |
| 404 | catch (ClassCastException ex) { |
| 405 | } |
| 406 | } |
| 407 | } |
| 408 | } |
| 409 | return result; |
| 410 | } |
| 411 | |
| 412 | public Hashtable<Object, Object> toSerializableHashtable() { |
| 413 | Hashtable ht = new Hashtable(); |
| 414 | int hashkey = defined; |
| 415 | for (int m = defined, i = 0; m != 0; ++i) { |
| 416 | EAttribute ea = EAttribute.atts[i]; |
| 417 | if ((m & ea.mask) != 0) { |
| 418 | m &= ~ea.mask; |
| 419 | Object o = get(ea); |
| 420 | if (o == null) { |
| 421 | // hashkey will handle it |
| 422 | } else if (o instanceof Serializable) { // check all... |
| 423 | ht.put(ea.att, o); |
| 424 | } else { |
| 425 | hashkey &= ~ea.mask; |
| 426 | } |
| 427 | } |
| 428 | } |
| 429 | ht.put(DEFINED_KEY, Integer.valueOf(hashkey)); |
| 430 | |
| 431 | return ht; |
| 432 | } |
| 433 | |
| 434 | // boilerplate |
| 435 | public int hashCode() { |
| 436 | return defined << 8 ^ nondefault; |
| 437 | } |
| 438 | |
| 439 | public boolean equals(Object rhs) { |
| 440 | try { |
| 441 | return equals((AttributeValues)rhs); |
| 442 | } |
| 443 | catch (ClassCastException e) { |
| 444 | } |
| 445 | return false; |
| 446 | } |
| 447 | |
| 448 | public boolean equals(AttributeValues rhs) { |
| 449 | // test in order of most likely to differ and easiest to compare |
| 450 | // also assumes we're generally calling this only if family, |
| 451 | // size, weight, posture are the same |
| 452 | |
| 453 | if (rhs == null) return false; |
| 454 | if (rhs == this) return true; |
| 455 | |
| 456 | return defined == rhs.defined |
| 457 | && nondefault == rhs.nondefault |
| 458 | && underline == rhs.underline |
| 459 | && strikethrough == rhs.strikethrough |
| 460 | && superscript == rhs.superscript |
| 461 | && width == rhs.width |
| 462 | && kerning == rhs.kerning |
| 463 | && tracking == rhs.tracking |
| 464 | && ligatures == rhs.ligatures |
| 465 | && runDirection == rhs.runDirection |
| 466 | && bidiEmbedding == rhs.bidiEmbedding |
| 467 | && swapColors == rhs.swapColors |
| 468 | && equals(transform, rhs.transform) |
| 469 | && equals(foreground, rhs.foreground) |
| 470 | && equals(background, rhs.background) |
| 471 | && equals(numericShaping, rhs.numericShaping) |
| 472 | && equals(justification, rhs.justification) |
| 473 | && equals(charReplacement, rhs.charReplacement) |
| 474 | && size == rhs.size |
| 475 | && weight == rhs.weight |
| 476 | && posture == rhs.posture |
| 477 | && equals(family, rhs.family) |
| 478 | && equals(font, rhs.font) |
| 479 | && imUnderline == rhs.imUnderline |
| 480 | && equals(imHighlight, rhs.imHighlight); |
| 481 | } |
| 482 | |
| 483 | public AttributeValues clone() { |
| 484 | try { |
| 485 | AttributeValues result = (AttributeValues)super.clone(); |
| 486 | if (transform != null) { // AffineTransform is mutable |
| 487 | result.transform = new AffineTransform(transform); |
| 488 | result.updateDerivedTransforms(); |
| 489 | } |
| 490 | // if transform is null, derived transforms are null |
| 491 | // so there's nothing to do |
| 492 | return result; |
| 493 | } |
| 494 | catch (CloneNotSupportedException e) { |
| 495 | // never happens |
| 496 | return null; |
| 497 | } |
| 498 | } |
| 499 | |
| 500 | public String toString() { |
| 501 | StringBuilder b = new StringBuilder(); |
| 502 | b.append('{'); |
| 503 | for (int m = defined, i = 0; m != 0; ++i) { |
| 504 | EAttribute ea = EAttribute.atts[i]; |
| 505 | if ((m & ea.mask) != 0) { |
| 506 | m &= ~ea.mask; |
| 507 | if (b.length() > 1) { |
| 508 | b.append(", "); |
| 509 | } |
| 510 | b.append(ea); |
| 511 | b.append('='); |
| 512 | switch (ea) { |
| 513 | case EFAMILY: b.append('"'); |
| 514 | b.append(family); |
| 515 | b.append('"'); break; |
| 516 | case EWEIGHT: b.append(weight); break; |
| 517 | case EWIDTH: b.append(width); break; |
| 518 | case EPOSTURE: b.append(posture); break; |
| 519 | case ESIZE: b.append(size); break; |
| 520 | case ETRANSFORM: b.append(transform); break; |
| 521 | case ESUPERSCRIPT: b.append(superscript); break; |
| 522 | case EFONT: b.append(font); break; |
| 523 | case ECHAR_REPLACEMENT: b.append(charReplacement); break; |
| 524 | case EFOREGROUND: b.append(foreground); break; |
| 525 | case EBACKGROUND: b.append(background); break; |
| 526 | case EUNDERLINE: b.append(underline); break; |
| 527 | case ESTRIKETHROUGH: b.append(strikethrough); break; |
| 528 | case ERUN_DIRECTION: b.append(runDirection); break; |
| 529 | case EBIDI_EMBEDDING: b.append(bidiEmbedding); break; |
| 530 | case EJUSTIFICATION: b.append(justification); break; |
| 531 | case EINPUT_METHOD_HIGHLIGHT: b.append(imHighlight); break; |
| 532 | case EINPUT_METHOD_UNDERLINE: b.append(imUnderline); break; |
| 533 | case ESWAP_COLORS: b.append(swapColors); break; |
| 534 | case ENUMERIC_SHAPING: b.append(numericShaping); break; |
| 535 | case EKERNING: b.append(kerning); break; |
| 536 | case ELIGATURES: b.append(ligatures); break; |
| 537 | case ETRACKING: b.append(tracking); break; |
| 538 | default: throw new InternalError(); |
| 539 | } |
| 540 | if ((nondefault & ea.mask) == 0) { |
| 541 | b.append('*'); |
| 542 | } |
| 543 | } |
| 544 | } |
| 545 | b.append("[btx=" + baselineTransform + ", ctx=" + charTransform + "]"); |
| 546 | b.append('}'); |
| 547 | return b.toString(); |
| 548 | } |
| 549 | |
| 550 | // internal utilities |
| 551 | |
| 552 | private static boolean equals(Object lhs, Object rhs) { |
| 553 | return lhs == null ? rhs == null : lhs.equals(rhs); |
| 554 | } |
| 555 | |
| 556 | private void update(EAttribute a) { |
| 557 | defined |= a.mask; |
| 558 | if (i_validate(a)) { |
| 559 | if (i_equals(a, DEFAULT)) { |
| 560 | nondefault &= ~a.mask; |
| 561 | } else { |
| 562 | nondefault |= a.mask; |
| 563 | } |
| 564 | } else { |
| 565 | setDefault(a); |
| 566 | } |
| 567 | } |
| 568 | |
| 569 | // dispatch |
| 570 | |
| 571 | private void i_set(EAttribute a, AttributeValues src) { |
| 572 | switch (a) { |
| 573 | case EFAMILY: family = src.family; break; |
| 574 | case EWEIGHT: weight = src.weight; break; |
| 575 | case EWIDTH: width = src.width; break; |
| 576 | case EPOSTURE: posture = src.posture; break; |
| 577 | case ESIZE: size = src.size; break; |
| 578 | case ETRANSFORM: transform = src.transform; updateDerivedTransforms(); break; |
| 579 | case ESUPERSCRIPT: superscript = src.superscript; break; |
| 580 | case EFONT: font = src.font; break; |
| 581 | case ECHAR_REPLACEMENT: charReplacement = src.charReplacement; break; |
| 582 | case EFOREGROUND: foreground = src.foreground; break; |
| 583 | case EBACKGROUND: background = src.background; break; |
| 584 | case EUNDERLINE: underline = src.underline; break; |
| 585 | case ESTRIKETHROUGH: strikethrough = src.strikethrough; break; |
| 586 | case ERUN_DIRECTION: runDirection = src.runDirection; break; |
| 587 | case EBIDI_EMBEDDING: bidiEmbedding = src.bidiEmbedding; break; |
| 588 | case EJUSTIFICATION: justification = src.justification; break; |
| 589 | case EINPUT_METHOD_HIGHLIGHT: imHighlight = src.imHighlight; break; |
| 590 | case EINPUT_METHOD_UNDERLINE: imUnderline = src.imUnderline; break; |
| 591 | case ESWAP_COLORS: swapColors = src.swapColors; break; |
| 592 | case ENUMERIC_SHAPING: numericShaping = src.numericShaping; break; |
| 593 | case EKERNING: kerning = src.kerning; break; |
| 594 | case ELIGATURES: ligatures = src.ligatures; break; |
| 595 | case ETRACKING: tracking = src.tracking; break; |
| 596 | default: throw new InternalError(); |
| 597 | } |
| 598 | } |
| 599 | |
| 600 | private boolean i_equals(EAttribute a, AttributeValues src) { |
| 601 | switch (a) { |
| 602 | case EFAMILY: return equals(family, src.family); |
| 603 | case EWEIGHT: return weight == src.weight; |
| 604 | case EWIDTH: return width == src.width; |
| 605 | case EPOSTURE: return posture == src.posture; |
| 606 | case ESIZE: return size == src.size; |
| 607 | case ETRANSFORM: return equals(transform, src.transform); |
| 608 | case ESUPERSCRIPT: return superscript == src.superscript; |
| 609 | case EFONT: return equals(font, src.font); |
| 610 | case ECHAR_REPLACEMENT: return equals(charReplacement, src.charReplacement); |
| 611 | case EFOREGROUND: return equals(foreground, src.foreground); |
| 612 | case EBACKGROUND: return equals(background, src.background); |
| 613 | case EUNDERLINE: return underline == src.underline; |
| 614 | case ESTRIKETHROUGH: return strikethrough == src.strikethrough; |
| 615 | case ERUN_DIRECTION: return runDirection == src.runDirection; |
| 616 | case EBIDI_EMBEDDING: return bidiEmbedding == src.bidiEmbedding; |
| 617 | case EJUSTIFICATION: return justification == src.justification; |
| 618 | case EINPUT_METHOD_HIGHLIGHT: return equals(imHighlight, src.imHighlight); |
| 619 | case EINPUT_METHOD_UNDERLINE: return imUnderline == src.imUnderline; |
| 620 | case ESWAP_COLORS: return swapColors == src.swapColors; |
| 621 | case ENUMERIC_SHAPING: return equals(numericShaping, src.numericShaping); |
| 622 | case EKERNING: return kerning == src.kerning; |
| 623 | case ELIGATURES: return ligatures == src.ligatures; |
| 624 | case ETRACKING: return tracking == src.tracking; |
| 625 | default: throw new InternalError(); |
| 626 | } |
| 627 | } |
| 628 | |
| 629 | private void i_set(EAttribute a, Object o) { |
| 630 | switch (a) { |
| 631 | case EFAMILY: family = ((String)o).trim(); break; |
| 632 | case EWEIGHT: weight = ((Number)o).floatValue(); break; |
| 633 | case EWIDTH: width = ((Number)o).floatValue(); break; |
| 634 | case EPOSTURE: posture = ((Number)o).floatValue(); break; |
| 635 | case ESIZE: size = ((Number)o).floatValue(); break; |
| 636 | case ETRANSFORM: { |
| 637 | if (o instanceof TransformAttribute) { |
| 638 | TransformAttribute ta = (TransformAttribute)o; |
| 639 | if (ta.isIdentity()) { |
| 640 | transform = null; |
| 641 | } else { |
| 642 | transform = ta.getTransform(); |
| 643 | } |
| 644 | } else { |
| 645 | transform = new AffineTransform((AffineTransform)o); |
| 646 | } |
| 647 | updateDerivedTransforms(); |
| 648 | } break; |
| 649 | case ESUPERSCRIPT: superscript = (byte)((Integer)o).intValue(); break; |
| 650 | case EFONT: font = (Font)o; break; |
| 651 | case ECHAR_REPLACEMENT: charReplacement = (GraphicAttribute)o; break; |
| 652 | case EFOREGROUND: foreground = (Paint)o; break; |
| 653 | case EBACKGROUND: background = (Paint)o; break; |
| 654 | case EUNDERLINE: underline = (byte)((Integer)o).intValue(); break; |
| 655 | case ESTRIKETHROUGH: strikethrough = ((Boolean)o).booleanValue(); break; |
| 656 | case ERUN_DIRECTION: { |
| 657 | if (o instanceof Boolean) { |
| 658 | runDirection = (byte)(TextAttribute.RUN_DIRECTION_LTR.equals(o) ? 0 : 1); |
| 659 | } else { |
| 660 | runDirection = (byte)((Integer)o).intValue(); |
| 661 | } |
| 662 | } break; |
| 663 | case EBIDI_EMBEDDING: bidiEmbedding = (byte)((Integer)o).intValue(); break; |
| 664 | case EJUSTIFICATION: justification = ((Number)o).floatValue(); break; |
| 665 | case EINPUT_METHOD_HIGHLIGHT: { |
| 666 | if (o instanceof Annotation) { |
| 667 | Annotation at = (Annotation)o; |
| 668 | imHighlight = (InputMethodHighlight)at.getValue(); |
| 669 | } else { |
| 670 | imHighlight = (InputMethodHighlight)o; |
| 671 | } |
| 672 | } break; |
| 673 | case EINPUT_METHOD_UNDERLINE: imUnderline = (byte)((Integer)o).intValue(); |
| 674 | break; |
| 675 | case ESWAP_COLORS: swapColors = ((Boolean)o).booleanValue(); break; |
| 676 | case ENUMERIC_SHAPING: numericShaping = (NumericShaper)o; break; |
| 677 | case EKERNING: kerning = (byte)((Integer)o).intValue(); break; |
| 678 | case ELIGATURES: ligatures = (byte)((Integer)o).intValue(); break; |
| 679 | case ETRACKING: tracking = ((Number)o).floatValue(); break; |
| 680 | default: throw new InternalError(); |
| 681 | } |
| 682 | } |
| 683 | |
| 684 | private Object i_get(EAttribute a) { |
| 685 | switch (a) { |
| 686 | case EFAMILY: return family; |
| 687 | case EWEIGHT: return Float.valueOf(weight); |
| 688 | case EWIDTH: return Float.valueOf(width); |
| 689 | case EPOSTURE: return Float.valueOf(posture); |
| 690 | case ESIZE: return Float.valueOf(size); |
| 691 | case ETRANSFORM: |
| 692 | return transform == null |
| 693 | ? TransformAttribute.IDENTITY |
| 694 | : new TransformAttribute(transform); |
| 695 | case ESUPERSCRIPT: return Integer.valueOf(superscript); |
| 696 | case EFONT: return font; |
| 697 | case ECHAR_REPLACEMENT: return charReplacement; |
| 698 | case EFOREGROUND: return foreground; |
| 699 | case EBACKGROUND: return background; |
| 700 | case EUNDERLINE: return Integer.valueOf(underline); |
| 701 | case ESTRIKETHROUGH: return Boolean.valueOf(strikethrough); |
| 702 | case ERUN_DIRECTION: { |
| 703 | switch (runDirection) { |
| 704 | // todo: figure out a way to indicate this value |
| 705 | // case -1: return Integer.valueOf(runDirection); |
| 706 | case 0: return TextAttribute.RUN_DIRECTION_LTR; |
| 707 | case 1: return TextAttribute.RUN_DIRECTION_RTL; |
| 708 | default: return null; |
| 709 | } |
| 710 | } // not reachable |
| 711 | case EBIDI_EMBEDDING: return Integer.valueOf(bidiEmbedding); |
| 712 | case EJUSTIFICATION: return Float.valueOf(justification); |
| 713 | case EINPUT_METHOD_HIGHLIGHT: return imHighlight; |
| 714 | case EINPUT_METHOD_UNDERLINE: return Integer.valueOf(imUnderline); |
| 715 | case ESWAP_COLORS: return Boolean.valueOf(swapColors); |
| 716 | case ENUMERIC_SHAPING: return numericShaping; |
| 717 | case EKERNING: return Integer.valueOf(kerning); |
| 718 | case ELIGATURES: return Integer.valueOf(ligatures); |
| 719 | case ETRACKING: return Float.valueOf(tracking); |
| 720 | default: throw new InternalError(); |
| 721 | } |
| 722 | } |
| 723 | |
| 724 | private boolean i_validate(EAttribute a) { |
| 725 | switch (a) { |
| 726 | case EFAMILY: if (family == null || family.length() == 0) |
| 727 | family = DEFAULT.family; return true; |
| 728 | case EWEIGHT: return weight > 0 && weight < 10; |
| 729 | case EWIDTH: return width >= .5f && width < 10; |
| 730 | case EPOSTURE: return posture >= -1 && posture <= 1; |
| 731 | case ESIZE: return size >= 0; |
| 732 | case ETRANSFORM: if (transform != null && transform.isIdentity()) |
| 733 | transform = DEFAULT.transform; return true; |
| 734 | case ESUPERSCRIPT: return superscript >= -7 && superscript <= 7; |
| 735 | case EFONT: return true; |
| 736 | case ECHAR_REPLACEMENT: return true; |
| 737 | case EFOREGROUND: return true; |
| 738 | case EBACKGROUND: return true; |
| 739 | case EUNDERLINE: return underline >= -1 && underline < 6; |
| 740 | case ESTRIKETHROUGH: return true; |
| 741 | case ERUN_DIRECTION: return runDirection >= -2 && runDirection <= 1; |
| 742 | case EBIDI_EMBEDDING: return bidiEmbedding >= -61 && bidiEmbedding < 62; |
| 743 | case EJUSTIFICATION: justification = max(0, min (justification, 1)); |
| 744 | return true; |
| 745 | case EINPUT_METHOD_HIGHLIGHT: return true; |
| 746 | case EINPUT_METHOD_UNDERLINE: return imUnderline >= -1 && imUnderline < 6; |
| 747 | case ESWAP_COLORS: return true; |
| 748 | case ENUMERIC_SHAPING: return true; |
| 749 | case EKERNING: return kerning >= 0 && kerning <= 1; |
| 750 | case ELIGATURES: return ligatures >= 0 && ligatures <= 1; |
| 751 | case ETRACKING: return tracking >= -1 && tracking <= 10; |
| 752 | default: throw new InternalError("unknown attribute: " + a); |
| 753 | } |
| 754 | } |
| 755 | |
| 756 | // Until textlayout is fixed to use AttributeValues, we'll end up |
| 757 | // creating a map from the values for it. This is a compromise between |
| 758 | // creating the whole map and just checking a particular value. |
| 759 | // Plan to remove these. |
| 760 | public static float getJustification(Map<?, ?> map) { |
| 761 | if (map != null) { |
| 762 | if (map instanceof AttributeMap && |
| 763 | ((AttributeMap) map).getValues() != null) { |
| 764 | return ((AttributeMap)map).getValues().justification; |
| 765 | } |
| 766 | Object obj = map.get(TextAttribute.JUSTIFICATION); |
| 767 | if (obj != null && obj instanceof Number) { |
| 768 | return max(0, min(1, ((Number)obj).floatValue())); |
| 769 | } |
| 770 | } |
| 771 | return DEFAULT.justification; |
| 772 | } |
| 773 | |
| 774 | public static NumericShaper getNumericShaping(Map<?, ?> map) { |
| 775 | if (map != null) { |
| 776 | if (map instanceof AttributeMap && |
| 777 | ((AttributeMap) map).getValues() != null) { |
| 778 | return ((AttributeMap)map).getValues().numericShaping; |
| 779 | } |
| 780 | Object obj = map.get(TextAttribute.NUMERIC_SHAPING); |
| 781 | if (obj != null && obj instanceof NumericShaper) { |
| 782 | return (NumericShaper)obj; |
| 783 | } |
| 784 | } |
| 785 | return DEFAULT.numericShaping; |
| 786 | } |
| 787 | |
| 788 | /** |
| 789 | * If this has an imHighlight, create copy of this with those attributes |
| 790 | * applied to it. Otherwise return this unchanged. |
| 791 | */ |
| 792 | public AttributeValues applyIMHighlight() { |
| 793 | if (imHighlight != null) { |
| 794 | InputMethodHighlight hl = null; |
| 795 | if (imHighlight instanceof InputMethodHighlight) { |
| 796 | hl = (InputMethodHighlight)imHighlight; |
| 797 | } else { |
| 798 | hl = (InputMethodHighlight)((Annotation)imHighlight).getValue(); |
| 799 | } |
| 800 | |
| 801 | Map imStyles = hl.getStyle(); |
| 802 | if (imStyles == null) { |
| 803 | Toolkit tk = Toolkit.getDefaultToolkit(); |
| 804 | imStyles = tk.mapInputMethodHighlight(hl); |
| 805 | } |
| 806 | |
| 807 | if (imStyles != null) { |
| 808 | return clone().merge(imStyles); |
| 809 | } |
| 810 | } |
| 811 | |
| 812 | return this; |
| 813 | } |
| 814 | |
| 815 | public static AffineTransform getBaselineTransform(Map<?, ?> map) { |
| 816 | if (map != null) { |
| 817 | AttributeValues av = null; |
| 818 | if (map instanceof AttributeMap && |
| 819 | ((AttributeMap) map).getValues() != null) { |
| 820 | av = ((AttributeMap)map).getValues(); |
| 821 | } else if (map.get(TextAttribute.TRANSFORM) != null) { |
| 822 | av = AttributeValues.fromMap((Map<Attribute, ?>)map); // yuck |
| 823 | } |
| 824 | if (av != null) { |
| 825 | return av.baselineTransform; |
| 826 | } |
| 827 | } |
| 828 | return null; |
| 829 | } |
| 830 | |
| 831 | public static AffineTransform getCharTransform(Map<?, ?> map) { |
| 832 | if (map != null) { |
| 833 | AttributeValues av = null; |
| 834 | if (map instanceof AttributeMap && |
| 835 | ((AttributeMap) map).getValues() != null) { |
| 836 | av = ((AttributeMap)map).getValues(); |
| 837 | } else if (map.get(TextAttribute.TRANSFORM) != null) { |
| 838 | av = AttributeValues.fromMap((Map<Attribute, ?>)map); // yuck |
| 839 | } |
| 840 | if (av != null) { |
| 841 | return av.charTransform; |
| 842 | } |
| 843 | } |
| 844 | return null; |
| 845 | } |
| 846 | |
| 847 | public void updateDerivedTransforms() { |
| 848 | // this also updates the mask for the baseline transform |
| 849 | if (transform == null) { |
| 850 | baselineTransform = null; |
| 851 | charTransform = null; |
| 852 | } else { |
| 853 | charTransform = new AffineTransform(transform); |
| 854 | baselineTransform = extractXRotation(charTransform, true); |
| 855 | |
| 856 | if (charTransform.isIdentity()) { |
| 857 | charTransform = null; |
| 858 | } |
| 859 | |
| 860 | if (baselineTransform.isIdentity()) { |
| 861 | baselineTransform = null; |
| 862 | } |
| 863 | } |
| 864 | |
| 865 | if (baselineTransform == null) { |
| 866 | nondefault &= ~EBASELINE_TRANSFORM.mask; |
| 867 | } else { |
| 868 | nondefault |= EBASELINE_TRANSFORM.mask; |
| 869 | } |
| 870 | } |
| 871 | |
| 872 | public static AffineTransform extractXRotation(AffineTransform tx, |
| 873 | boolean andTranslation) { |
| 874 | return extractRotation(new Point2D.Double(1, 0), tx, andTranslation); |
| 875 | } |
| 876 | |
| 877 | public static AffineTransform extractYRotation(AffineTransform tx, |
| 878 | boolean andTranslation) { |
| 879 | return extractRotation(new Point2D.Double(0, 1), tx, andTranslation); |
| 880 | } |
| 881 | |
| 882 | private static AffineTransform extractRotation(Point2D.Double pt, |
| 883 | AffineTransform tx, boolean andTranslation) { |
| 884 | |
| 885 | tx.deltaTransform(pt, pt); |
| 886 | AffineTransform rtx = AffineTransform.getRotateInstance(pt.x, pt.y); |
| 887 | |
| 888 | try { |
| 889 | AffineTransform rtxi = rtx.createInverse(); |
| 890 | tx.preConcatenate(rtxi); |
| 891 | if (andTranslation) { |
| 892 | double dx = tx.getTranslateX(); |
| 893 | double dy = tx.getTranslateY(); |
| 894 | if (dx != 0 || dy != 0) { |
| 895 | tx.setTransform(tx.getScaleX(), tx.getShearY(), |
| 896 | tx.getShearX(), tx.getScaleY(), 0, 0); |
| 897 | rtx.setTransform(rtx.getScaleX(), rtx.getShearY(), |
| 898 | rtx.getShearX(), rtx.getScaleY(), dx, dy); |
| 899 | } |
| 900 | } |
| 901 | } |
| 902 | catch (NoninvertibleTransformException e) { |
| 903 | return null; |
| 904 | } |
| 905 | return rtx; |
| 906 | } |
| 907 | } |