Paint.cpp revision 143f50789ecd6d9e9bcd47c38f4daee35c63004f
1/* libs/android_runtime/android/graphics/Paint.cpp 2** 3** Copyright 2006, The Android Open Source Project 4** 5** Licensed under the Apache License, Version 2.0 (the "License"); 6** you may not use this file except in compliance with the License. 7** You may obtain a copy of the License at 8** 9** http://www.apache.org/licenses/LICENSE-2.0 10** 11** Unless required by applicable law or agreed to in writing, software 12** distributed under the License is distributed on an "AS IS" BASIS, 13** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14** See the License for the specific language governing permissions and 15** limitations under the License. 16*/ 17 18#define LOG_TAG "Paint" 19 20#include <utils/Log.h> 21 22#include "jni.h" 23#include "GraphicsJNI.h" 24#include "core_jni_helpers.h" 25#include <ScopedStringChars.h> 26#include <ScopedUtfChars.h> 27 28#include "SkBlurDrawLooper.h" 29#include "SkColorFilter.h" 30#include "SkMaskFilter.h" 31#include "SkPath.h" 32#include "SkRasterizer.h" 33#include "SkShader.h" 34#include "SkTypeface.h" 35#include "SkXfermode.h" 36#include "unicode/uloc.h" 37#include "unicode/ushape.h" 38#include "utils/Blur.h" 39 40#include <minikin/GraphemeBreak.h> 41#include <minikin/Measurement.h> 42#include <unicode/utf16.h> 43#include "MinikinSkia.h" 44#include "MinikinUtils.h" 45#include "Paint.h" 46#include "TypefaceImpl.h" 47 48#include <cassert> 49#include <cstring> 50#include <memory> 51#include <vector> 52 53namespace android { 54 55struct JMetricsID { 56 jfieldID top; 57 jfieldID ascent; 58 jfieldID descent; 59 jfieldID bottom; 60 jfieldID leading; 61}; 62 63static jclass gFontMetrics_class; 64static JMetricsID gFontMetrics_fieldID; 65 66static jclass gFontMetricsInt_class; 67static JMetricsID gFontMetricsInt_fieldID; 68 69static void defaultSettingsForAndroid(Paint* paint) { 70 // GlyphID encoding is required because we are using Harfbuzz shaping 71 paint->setTextEncoding(Paint::kGlyphID_TextEncoding); 72} 73 74namespace PaintGlue { 75 enum MoveOpt { 76 AFTER, AT_OR_AFTER, BEFORE, AT_OR_BEFORE, AT 77 }; 78 79 static void finalizer(JNIEnv* env, jobject clazz, jlong objHandle) { 80 Paint* obj = reinterpret_cast<Paint*>(objHandle); 81 delete obj; 82 } 83 84 static jlong init(JNIEnv* env, jobject) { 85 static_assert(1 << 0 == SkPaint::kAntiAlias_Flag, "paint_flags_mismatch"); 86 static_assert(1 << 2 == SkPaint::kDither_Flag, "paint_flags_mismatch"); 87 static_assert(1 << 3 == SkPaint::kUnderlineText_Flag, "paint_flags_mismatch"); 88 static_assert(1 << 4 == SkPaint::kStrikeThruText_Flag, "paint_flags_mismatch"); 89 static_assert(1 << 5 == SkPaint::kFakeBoldText_Flag, "paint_flags_mismatch"); 90 static_assert(1 << 6 == SkPaint::kLinearText_Flag, "paint_flags_mismatch"); 91 static_assert(1 << 7 == SkPaint::kSubpixelText_Flag, "paint_flags_mismatch"); 92 static_assert(1 << 8 == SkPaint::kDevKernText_Flag, "paint_flags_mismatch"); 93 static_assert(1 << 10 == SkPaint::kEmbeddedBitmapText_Flag, "paint_flags_mismatch"); 94 95 Paint* obj = new Paint(); 96 defaultSettingsForAndroid(obj); 97 return reinterpret_cast<jlong>(obj); 98 } 99 100 static jlong initWithPaint(JNIEnv* env, jobject clazz, jlong paintHandle) { 101 Paint* paint = reinterpret_cast<Paint*>(paintHandle); 102 Paint* obj = new Paint(*paint); 103 return reinterpret_cast<jlong>(obj); 104 } 105 106 static void reset(JNIEnv* env, jobject clazz, jlong objHandle) { 107 Paint* obj = reinterpret_cast<Paint*>(objHandle); 108 obj->reset(); 109 defaultSettingsForAndroid(obj); 110 } 111 112 static void assign(JNIEnv* env, jobject clazz, jlong dstPaintHandle, jlong srcPaintHandle) { 113 Paint* dst = reinterpret_cast<Paint*>(dstPaintHandle); 114 const Paint* src = reinterpret_cast<Paint*>(srcPaintHandle); 115 *dst = *src; 116 } 117 118 // Equivalent to the Java Paint's FILTER_BITMAP_FLAG. 119 static const uint32_t sFilterBitmapFlag = 0x02; 120 121 static jint getFlags(JNIEnv* env, jobject, jlong paintHandle) { 122 Paint* nativePaint = reinterpret_cast<Paint*>(paintHandle); 123 uint32_t result = nativePaint->getFlags(); 124 result &= ~sFilterBitmapFlag; // Filtering no longer stored in this bit. Mask away. 125 if (nativePaint->getFilterQuality() != kNone_SkFilterQuality) { 126 result |= sFilterBitmapFlag; 127 } 128 return static_cast<jint>(result); 129 } 130 131 static void setFlags(JNIEnv* env, jobject, jlong paintHandle, jint flags) { 132 Paint* nativePaint = reinterpret_cast<Paint*>(paintHandle); 133 // Instead of modifying 0x02, change the filter level. 134 nativePaint->setFilterQuality(flags & sFilterBitmapFlag 135 ? kLow_SkFilterQuality 136 : kNone_SkFilterQuality); 137 // Don't pass through filter flag, which is no longer stored in paint's flags. 138 flags &= ~sFilterBitmapFlag; 139 // Use the existing value for 0x02. 140 const uint32_t existing0x02Flag = nativePaint->getFlags() & sFilterBitmapFlag; 141 flags |= existing0x02Flag; 142 nativePaint->setFlags(flags); 143 } 144 145 static jint getHinting(JNIEnv* env, jobject, jlong paintHandle) { 146 return reinterpret_cast<Paint*>(paintHandle)->getHinting() 147 == Paint::kNo_Hinting ? 0 : 1; 148 } 149 150 static void setHinting(JNIEnv* env, jobject, jlong paintHandle, jint mode) { 151 reinterpret_cast<Paint*>(paintHandle)->setHinting( 152 mode == 0 ? Paint::kNo_Hinting : Paint::kNormal_Hinting); 153 } 154 155 static void setAntiAlias(JNIEnv* env, jobject, jlong paintHandle, jboolean aa) { 156 reinterpret_cast<Paint*>(paintHandle)->setAntiAlias(aa); 157 } 158 159 static void setLinearText(JNIEnv* env, jobject, jlong paintHandle, jboolean linearText) { 160 reinterpret_cast<Paint*>(paintHandle)->setLinearText(linearText); 161 } 162 163 static void setSubpixelText(JNIEnv* env, jobject, jlong paintHandle, jboolean subpixelText) { 164 reinterpret_cast<Paint*>(paintHandle)->setSubpixelText(subpixelText); 165 } 166 167 static void setUnderlineText(JNIEnv* env, jobject, jlong paintHandle, jboolean underlineText) { 168 reinterpret_cast<Paint*>(paintHandle)->setUnderlineText(underlineText); 169 } 170 171 static void setStrikeThruText(JNIEnv* env, jobject, jlong paintHandle, jboolean strikeThruText) { 172 reinterpret_cast<Paint*>(paintHandle)->setStrikeThruText(strikeThruText); 173 } 174 175 static void setFakeBoldText(JNIEnv* env, jobject, jlong paintHandle, jboolean fakeBoldText) { 176 reinterpret_cast<Paint*>(paintHandle)->setFakeBoldText(fakeBoldText); 177 } 178 179 static void setFilterBitmap(JNIEnv* env, jobject, jlong paintHandle, jboolean filterBitmap) { 180 reinterpret_cast<Paint*>(paintHandle)->setFilterQuality( 181 filterBitmap ? kLow_SkFilterQuality : kNone_SkFilterQuality); 182 } 183 184 static void setDither(JNIEnv* env, jobject, jlong paintHandle, jboolean dither) { 185 reinterpret_cast<Paint*>(paintHandle)->setDither(dither); 186 } 187 188 static jint getStyle(JNIEnv* env, jobject clazz,jlong objHandle) { 189 Paint* obj = reinterpret_cast<Paint*>(objHandle); 190 return static_cast<jint>(obj->getStyle()); 191 } 192 193 static void setStyle(JNIEnv* env, jobject clazz, jlong objHandle, jint styleHandle) { 194 Paint* obj = reinterpret_cast<Paint*>(objHandle); 195 Paint::Style style = static_cast<Paint::Style>(styleHandle); 196 obj->setStyle(style); 197 } 198 199 static jint getColor(JNIEnv* env, jobject, jlong paintHandle) { 200 int color; 201 color = reinterpret_cast<Paint*>(paintHandle)->getColor(); 202 return static_cast<jint>(color); 203 } 204 205 static jint getAlpha(JNIEnv* env, jobject, jlong paintHandle) { 206 int alpha; 207 alpha = reinterpret_cast<Paint*>(paintHandle)->getAlpha(); 208 return static_cast<jint>(alpha); 209 } 210 211 static void setColor(JNIEnv* env, jobject, jlong paintHandle, jint color) { 212 reinterpret_cast<Paint*>(paintHandle)->setColor(color); 213 } 214 215 static void setAlpha(JNIEnv* env, jobject, jlong paintHandle, jint a) { 216 reinterpret_cast<Paint*>(paintHandle)->setAlpha(a); 217 } 218 219 static jfloat getStrokeWidth(JNIEnv* env, jobject, jlong paintHandle) { 220 return SkScalarToFloat(reinterpret_cast<Paint*>(paintHandle)->getStrokeWidth()); 221 } 222 223 static void setStrokeWidth(JNIEnv* env, jobject, jlong paintHandle, jfloat width) { 224 reinterpret_cast<Paint*>(paintHandle)->setStrokeWidth(width); 225 } 226 227 static jfloat getStrokeMiter(JNIEnv* env, jobject, jlong paintHandle) { 228 return SkScalarToFloat(reinterpret_cast<Paint*>(paintHandle)->getStrokeMiter()); 229 } 230 231 static void setStrokeMiter(JNIEnv* env, jobject, jlong paintHandle, jfloat miter) { 232 reinterpret_cast<Paint*>(paintHandle)->setStrokeMiter(miter); 233 } 234 235 static jint getStrokeCap(JNIEnv* env, jobject clazz, jlong objHandle) { 236 Paint* obj = reinterpret_cast<Paint*>(objHandle); 237 return static_cast<jint>(obj->getStrokeCap()); 238 } 239 240 static void setStrokeCap(JNIEnv* env, jobject clazz, jlong objHandle, jint capHandle) { 241 Paint* obj = reinterpret_cast<Paint*>(objHandle); 242 Paint::Cap cap = static_cast<Paint::Cap>(capHandle); 243 obj->setStrokeCap(cap); 244 } 245 246 static jint getStrokeJoin(JNIEnv* env, jobject clazz, jlong objHandle) { 247 Paint* obj = reinterpret_cast<Paint*>(objHandle); 248 return static_cast<jint>(obj->getStrokeJoin()); 249 } 250 251 static void setStrokeJoin(JNIEnv* env, jobject clazz, jlong objHandle, jint joinHandle) { 252 Paint* obj = reinterpret_cast<Paint*>(objHandle); 253 Paint::Join join = (Paint::Join) joinHandle; 254 obj->setStrokeJoin(join); 255 } 256 257 static jboolean getFillPath(JNIEnv* env, jobject clazz, jlong objHandle, jlong srcHandle, jlong dstHandle) { 258 Paint* obj = reinterpret_cast<Paint*>(objHandle); 259 SkPath* src = reinterpret_cast<SkPath*>(srcHandle); 260 SkPath* dst = reinterpret_cast<SkPath*>(dstHandle); 261 return obj->getFillPath(*src, dst) ? JNI_TRUE : JNI_FALSE; 262 } 263 264 static jlong setShader(JNIEnv* env, jobject clazz, jlong objHandle, jlong shaderHandle) { 265 Paint* obj = reinterpret_cast<Paint*>(objHandle); 266 SkShader* shader = reinterpret_cast<SkShader*>(shaderHandle); 267 return reinterpret_cast<jlong>(obj->setShader(shader)); 268 } 269 270 static jlong setColorFilter(JNIEnv* env, jobject clazz, jlong objHandle, jlong filterHandle) { 271 Paint* obj = reinterpret_cast<Paint *>(objHandle); 272 SkColorFilter* filter = reinterpret_cast<SkColorFilter *>(filterHandle); 273 return reinterpret_cast<jlong>(obj->setColorFilter(filter)); 274 } 275 276 static jlong setXfermode(JNIEnv* env, jobject clazz, jlong objHandle, jlong xfermodeHandle) { 277 Paint* obj = reinterpret_cast<Paint*>(objHandle); 278 SkXfermode* xfermode = reinterpret_cast<SkXfermode*>(xfermodeHandle); 279 return reinterpret_cast<jlong>(obj->setXfermode(xfermode)); 280 } 281 282 static jlong setPathEffect(JNIEnv* env, jobject clazz, jlong objHandle, jlong effectHandle) { 283 Paint* obj = reinterpret_cast<Paint*>(objHandle); 284 SkPathEffect* effect = reinterpret_cast<SkPathEffect*>(effectHandle); 285 return reinterpret_cast<jlong>(obj->setPathEffect(effect)); 286 } 287 288 static jlong setMaskFilter(JNIEnv* env, jobject clazz, jlong objHandle, jlong maskfilterHandle) { 289 Paint* obj = reinterpret_cast<Paint*>(objHandle); 290 SkMaskFilter* maskfilter = reinterpret_cast<SkMaskFilter*>(maskfilterHandle); 291 return reinterpret_cast<jlong>(obj->setMaskFilter(maskfilter)); 292 } 293 294 static jlong setTypeface(JNIEnv* env, jobject clazz, jlong objHandle, jlong typefaceHandle) { 295 // TODO: in Paint refactoring, set typeface on android Paint, not Paint 296 return NULL; 297 } 298 299 static jlong setRasterizer(JNIEnv* env, jobject clazz, jlong objHandle, jlong rasterizerHandle) { 300 Paint* obj = reinterpret_cast<Paint*>(objHandle); 301 SkAutoTUnref<SkRasterizer> rasterizer(GraphicsJNI::refNativeRasterizer(rasterizerHandle)); 302 return reinterpret_cast<jlong>(obj->setRasterizer(rasterizer)); 303 } 304 305 static jint getTextAlign(JNIEnv* env, jobject clazz, jlong objHandle) { 306 Paint* obj = reinterpret_cast<Paint*>(objHandle); 307 return static_cast<jint>(obj->getTextAlign()); 308 } 309 310 static void setTextAlign(JNIEnv* env, jobject clazz, jlong objHandle, jint alignHandle) { 311 Paint* obj = reinterpret_cast<Paint*>(objHandle); 312 Paint::Align align = static_cast<Paint::Align>(alignHandle); 313 obj->setTextAlign(align); 314 } 315 316 // generate bcp47 identifier for the supplied locale 317 static void toLanguageTag(char* output, size_t outSize, 318 const char* locale) { 319 if (output == NULL || outSize <= 0) { 320 return; 321 } 322 if (locale == NULL) { 323 output[0] = '\0'; 324 return; 325 } 326 char canonicalChars[ULOC_FULLNAME_CAPACITY]; 327 UErrorCode uErr = U_ZERO_ERROR; 328 uloc_canonicalize(locale, canonicalChars, ULOC_FULLNAME_CAPACITY, 329 &uErr); 330 if (U_SUCCESS(uErr)) { 331 char likelyChars[ULOC_FULLNAME_CAPACITY]; 332 uErr = U_ZERO_ERROR; 333 uloc_addLikelySubtags(canonicalChars, likelyChars, 334 ULOC_FULLNAME_CAPACITY, &uErr); 335 if (U_SUCCESS(uErr)) { 336 uErr = U_ZERO_ERROR; 337 uloc_toLanguageTag(likelyChars, output, outSize, FALSE, &uErr); 338 if (U_SUCCESS(uErr)) { 339 return; 340 } else { 341 ALOGD("uloc_toLanguageTag(\"%s\") failed: %s", likelyChars, 342 u_errorName(uErr)); 343 } 344 } else { 345 ALOGD("uloc_addLikelySubtags(\"%s\") failed: %s", 346 canonicalChars, u_errorName(uErr)); 347 } 348 } else { 349 ALOGD("uloc_canonicalize(\"%s\") failed: %s", locale, 350 u_errorName(uErr)); 351 } 352 // unable to build a proper language identifier 353 output[0] = '\0'; 354 } 355 356 static void toLanguageTags(std::string* output, const char* locales) { 357 if (output == NULL) { 358 return; 359 } 360 if (locales == NULL) { 361 output->clear(); 362 return; 363 } 364 365 char langTag[ULOC_FULLNAME_CAPACITY]; 366 const char* commaLoc = strchr(locales, ','); 367 if (commaLoc == NULL) { 368 assert(locales[0] != '\0'); // the string should not be empty 369 toLanguageTag(langTag, ULOC_FULLNAME_CAPACITY, locales); 370 *output = langTag; 371 return; 372 } 373 374 size_t len = strlen(locales); 375 char locale[len]; 376 output->clear(); 377 output->reserve(len); 378 const char* lastStart = locales; 379 do { 380 assert(lastStart > commaLoc); // the substring should not be empty 381 strncpy(locale, lastStart, commaLoc - lastStart); 382 locale[commaLoc - lastStart] = '\0'; 383 toLanguageTag(langTag, ULOC_FULLNAME_CAPACITY, locale); 384 if (langTag[0] != '\0') { 385 output->append(langTag); 386 output->push_back(','); 387 } 388 lastStart = commaLoc + 1; 389 commaLoc = strchr(lastStart, ','); 390 } while (commaLoc != NULL); 391 assert(lastStart[0] != '\0'); // the final substring should not be empty 392 toLanguageTag(langTag, ULOC_FULLNAME_CAPACITY, lastStart); 393 if (langTag[0] != '\0') { 394 output->append(langTag); 395 } 396 } 397 398 static jint setTextLocales(JNIEnv* env, jobject clazz, jlong objHandle, jstring locales) { 399 Paint* obj = reinterpret_cast<Paint*>(objHandle); 400 ScopedUtfChars localesChars(env, locales); 401 std::string buf; 402 toLanguageTags(&buf, localesChars.c_str()); 403 jint minikinLangListId = FontStyle::registerLanguageList(buf); 404 obj->setMinikinLangListId(minikinLangListId); 405 return minikinLangListId; 406 } 407 408 static void setTextLocalesByMinikinLangListId(JNIEnv* env, jobject clazz, jlong objHandle, 409 jint minikinLangListId) { 410 Paint* obj = reinterpret_cast<Paint*>(objHandle); 411 obj->setMinikinLangListId(minikinLangListId); 412 } 413 414 static jboolean isElegantTextHeight(JNIEnv* env, jobject, jlong paintHandle) { 415 Paint* obj = reinterpret_cast<Paint*>(paintHandle); 416 return obj->getFontVariant() == VARIANT_ELEGANT; 417 } 418 419 static void setElegantTextHeight(JNIEnv* env, jobject, jlong paintHandle, jboolean aa) { 420 Paint* obj = reinterpret_cast<Paint*>(paintHandle); 421 obj->setFontVariant(aa ? VARIANT_ELEGANT : VARIANT_DEFAULT); 422 } 423 424 static jfloat getTextSize(JNIEnv* env, jobject, jlong paintHandle) { 425 return SkScalarToFloat(reinterpret_cast<Paint*>(paintHandle)->getTextSize()); 426 } 427 428 static void setTextSize(JNIEnv* env, jobject, jlong paintHandle, jfloat textSize) { 429 reinterpret_cast<Paint*>(paintHandle)->setTextSize(textSize); 430 } 431 432 static jfloat getTextScaleX(JNIEnv* env, jobject, jlong paintHandle) { 433 return SkScalarToFloat(reinterpret_cast<Paint*>(paintHandle)->getTextScaleX()); 434 } 435 436 static void setTextScaleX(JNIEnv* env, jobject, jlong paintHandle, jfloat scaleX) { 437 reinterpret_cast<Paint*>(paintHandle)->setTextScaleX(scaleX); 438 } 439 440 static jfloat getTextSkewX(JNIEnv* env, jobject, jlong paintHandle) { 441 return SkScalarToFloat(reinterpret_cast<Paint*>(paintHandle)->getTextSkewX()); 442 } 443 444 static void setTextSkewX(JNIEnv* env, jobject, jlong paintHandle, jfloat skewX) { 445 reinterpret_cast<Paint*>(paintHandle)->setTextSkewX(skewX); 446 } 447 448 static jfloat getLetterSpacing(JNIEnv* env, jobject clazz, jlong paintHandle) { 449 Paint* paint = reinterpret_cast<Paint*>(paintHandle); 450 return paint->getLetterSpacing(); 451 } 452 453 static void setLetterSpacing(JNIEnv* env, jobject clazz, jlong paintHandle, jfloat letterSpacing) { 454 Paint* paint = reinterpret_cast<Paint*>(paintHandle); 455 paint->setLetterSpacing(letterSpacing); 456 } 457 458 static void setFontFeatureSettings(JNIEnv* env, jobject clazz, jlong paintHandle, jstring settings) { 459 Paint* paint = reinterpret_cast<Paint*>(paintHandle); 460 if (!settings) { 461 paint->setFontFeatureSettings(std::string()); 462 } else { 463 ScopedUtfChars settingsChars(env, settings); 464 paint->setFontFeatureSettings(std::string(settingsChars.c_str(), settingsChars.size())); 465 } 466 } 467 468 static jint getHyphenEdit(JNIEnv* env, jobject clazz, jlong paintHandle, jint hyphen) { 469 Paint* paint = reinterpret_cast<Paint*>(paintHandle); 470 return paint->getHyphenEdit(); 471 } 472 473 static void setHyphenEdit(JNIEnv* env, jobject clazz, jlong paintHandle, jint hyphen) { 474 Paint* paint = reinterpret_cast<Paint*>(paintHandle); 475 paint->setHyphenEdit((uint32_t)hyphen); 476 } 477 478 static SkScalar getMetricsInternal(jlong paintHandle, jlong typefaceHandle, 479 Paint::FontMetrics *metrics) { 480 const int kElegantTop = 2500; 481 const int kElegantBottom = -1000; 482 const int kElegantAscent = 1900; 483 const int kElegantDescent = -500; 484 const int kElegantLeading = 0; 485 Paint* paint = reinterpret_cast<Paint*>(paintHandle); 486 TypefaceImpl* typeface = reinterpret_cast<TypefaceImpl*>(typefaceHandle); 487 typeface = TypefaceImpl_resolveDefault(typeface); 488 FakedFont baseFont = typeface->fFontCollection->baseFontFaked(typeface->fStyle); 489 float saveSkewX = paint->getTextSkewX(); 490 bool savefakeBold = paint->isFakeBoldText(); 491 MinikinFontSkia::populateSkPaint(paint, baseFont.font, baseFont.fakery); 492 SkScalar spacing = paint->getFontMetrics(metrics); 493 // The populateSkPaint call may have changed fake bold / text skew 494 // because we want to measure with those effects applied, so now 495 // restore the original settings. 496 paint->setTextSkewX(saveSkewX); 497 paint->setFakeBoldText(savefakeBold); 498 if (paint->getFontVariant() == VARIANT_ELEGANT) { 499 SkScalar size = paint->getTextSize(); 500 metrics->fTop = -size * kElegantTop / 2048; 501 metrics->fBottom = -size * kElegantBottom / 2048; 502 metrics->fAscent = -size * kElegantAscent / 2048; 503 metrics->fDescent = -size * kElegantDescent / 2048; 504 metrics->fLeading = size * kElegantLeading / 2048; 505 spacing = metrics->fDescent - metrics->fAscent + metrics->fLeading; 506 } 507 return spacing; 508 } 509 510 static jfloat ascent(JNIEnv* env, jobject, jlong paintHandle, jlong typefaceHandle) { 511 Paint::FontMetrics metrics; 512 getMetricsInternal(paintHandle, typefaceHandle, &metrics); 513 return SkScalarToFloat(metrics.fAscent); 514 } 515 516 static jfloat descent(JNIEnv* env, jobject, jlong paintHandle, jlong typefaceHandle) { 517 Paint::FontMetrics metrics; 518 getMetricsInternal(paintHandle, typefaceHandle, &metrics); 519 return SkScalarToFloat(metrics.fDescent); 520 } 521 522 static jfloat getFontMetrics(JNIEnv* env, jobject, jlong paintHandle, 523 jlong typefaceHandle, jobject metricsObj) { 524 Paint::FontMetrics metrics; 525 SkScalar spacing = getMetricsInternal(paintHandle, typefaceHandle, &metrics); 526 527 if (metricsObj) { 528 SkASSERT(env->IsInstanceOf(metricsObj, gFontMetrics_class)); 529 env->SetFloatField(metricsObj, gFontMetrics_fieldID.top, SkScalarToFloat(metrics.fTop)); 530 env->SetFloatField(metricsObj, gFontMetrics_fieldID.ascent, SkScalarToFloat(metrics.fAscent)); 531 env->SetFloatField(metricsObj, gFontMetrics_fieldID.descent, SkScalarToFloat(metrics.fDescent)); 532 env->SetFloatField(metricsObj, gFontMetrics_fieldID.bottom, SkScalarToFloat(metrics.fBottom)); 533 env->SetFloatField(metricsObj, gFontMetrics_fieldID.leading, SkScalarToFloat(metrics.fLeading)); 534 } 535 return SkScalarToFloat(spacing); 536 } 537 538 static jint getFontMetricsInt(JNIEnv* env, jobject, jlong paintHandle, 539 jlong typefaceHandle, jobject metricsObj) { 540 Paint::FontMetrics metrics; 541 542 getMetricsInternal(paintHandle, typefaceHandle, &metrics); 543 int ascent = SkScalarRoundToInt(metrics.fAscent); 544 int descent = SkScalarRoundToInt(metrics.fDescent); 545 int leading = SkScalarRoundToInt(metrics.fLeading); 546 547 if (metricsObj) { 548 SkASSERT(env->IsInstanceOf(metricsObj, gFontMetricsInt_class)); 549 env->SetIntField(metricsObj, gFontMetricsInt_fieldID.top, SkScalarFloorToInt(metrics.fTop)); 550 env->SetIntField(metricsObj, gFontMetricsInt_fieldID.ascent, ascent); 551 env->SetIntField(metricsObj, gFontMetricsInt_fieldID.descent, descent); 552 env->SetIntField(metricsObj, gFontMetricsInt_fieldID.bottom, SkScalarCeilToInt(metrics.fBottom)); 553 env->SetIntField(metricsObj, gFontMetricsInt_fieldID.leading, leading); 554 } 555 return descent - ascent + leading; 556 } 557 558 static jfloat doTextAdvances(JNIEnv *env, Paint *paint, TypefaceImpl* typeface, 559 const jchar *text, jint start, jint count, jint contextCount, jint bidiFlags, 560 jfloatArray advances, jint advancesIndex) { 561 NPE_CHECK_RETURN_ZERO(env, text); 562 563 if ((start | count | contextCount | advancesIndex) < 0 || contextCount < count) { 564 doThrowAIOOBE(env); 565 return 0; 566 } 567 if (count == 0) { 568 return 0; 569 } 570 if (advances) { 571 size_t advancesLength = env->GetArrayLength(advances); 572 if ((size_t)(count + advancesIndex) > advancesLength) { 573 doThrowAIOOBE(env); 574 return 0; 575 } 576 } 577 578 Layout layout; 579 MinikinUtils::doLayout(&layout, paint, bidiFlags, typeface, text, start, count, 580 contextCount); 581 if (advances != NULL) { 582 std::unique_ptr<jfloat> advancesArray(new jfloat[count]); 583 layout.getAdvances(advancesArray.get()); 584 env->SetFloatArrayRegion(advances, advancesIndex, count, advancesArray.get()); 585 } 586 return layout.getAdvance(); 587 } 588 589 static jfloat getTextAdvances___CIIIII_FI(JNIEnv* env, jobject clazz, jlong paintHandle, 590 jlong typefaceHandle, 591 jcharArray text, jint index, jint count, jint contextIndex, jint contextCount, 592 jint bidiFlags, jfloatArray advances, jint advancesIndex) { 593 Paint* paint = reinterpret_cast<Paint*>(paintHandle); 594 TypefaceImpl* typeface = reinterpret_cast<TypefaceImpl*>(typefaceHandle); 595 jchar* textArray = env->GetCharArrayElements(text, NULL); 596 jfloat result = doTextAdvances(env, paint, typeface, textArray + contextIndex, 597 index - contextIndex, count, contextCount, bidiFlags, advances, advancesIndex); 598 env->ReleaseCharArrayElements(text, textArray, JNI_ABORT); 599 return result; 600 } 601 602 static jfloat getTextAdvances__StringIIIII_FI(JNIEnv* env, jobject clazz, jlong paintHandle, 603 jlong typefaceHandle, 604 jstring text, jint start, jint end, jint contextStart, jint contextEnd, jint bidiFlags, 605 jfloatArray advances, jint advancesIndex) { 606 Paint* paint = reinterpret_cast<Paint*>(paintHandle); 607 TypefaceImpl* typeface = reinterpret_cast<TypefaceImpl*>(typefaceHandle); 608 const jchar* textArray = env->GetStringChars(text, NULL); 609 jfloat result = doTextAdvances(env, paint, typeface, textArray + contextStart, 610 start - contextStart, end - start, contextEnd - contextStart, bidiFlags, 611 advances, advancesIndex); 612 env->ReleaseStringChars(text, textArray); 613 return result; 614 } 615 616 static jint doTextRunCursor(JNIEnv *env, Paint* paint, const jchar *text, jint start, 617 jint count, jint flags, jint offset, jint opt) { 618 GraphemeBreak::MoveOpt moveOpt = GraphemeBreak::MoveOpt(opt); 619 size_t result = GraphemeBreak::getTextRunCursor(text, start, count, offset, moveOpt); 620 return static_cast<jint>(result); 621 } 622 623 static jint getTextRunCursor___C(JNIEnv* env, jobject clazz, jlong paintHandle, jcharArray text, 624 jint contextStart, jint contextCount, jint dir, jint offset, jint cursorOpt) { 625 Paint* paint = reinterpret_cast<Paint*>(paintHandle); 626 jchar* textArray = env->GetCharArrayElements(text, NULL); 627 jint result = doTextRunCursor(env, paint, textArray, contextStart, contextCount, dir, 628 offset, cursorOpt); 629 env->ReleaseCharArrayElements(text, textArray, JNI_ABORT); 630 return result; 631 } 632 633 static jint getTextRunCursor__String(JNIEnv* env, jobject clazz, jlong paintHandle, jstring text, 634 jint contextStart, jint contextEnd, jint dir, jint offset, jint cursorOpt) { 635 Paint* paint = reinterpret_cast<Paint*>(paintHandle); 636 const jchar* textArray = env->GetStringChars(text, NULL); 637 jint result = doTextRunCursor(env, paint, textArray, contextStart, 638 contextEnd - contextStart, dir, offset, cursorOpt); 639 env->ReleaseStringChars(text, textArray); 640 return result; 641 } 642 643 class GetTextFunctor { 644 public: 645 GetTextFunctor(const Layout& layout, SkPath* path, jfloat x, jfloat y, Paint* paint, 646 uint16_t* glyphs, SkPoint* pos) 647 : layout(layout), path(path), x(x), y(y), paint(paint), glyphs(glyphs), pos(pos) { 648 } 649 650 void operator()(size_t start, size_t end) { 651 for (size_t i = start; i < end; i++) { 652 glyphs[i] = layout.getGlyphId(i); 653 pos[i].fX = x + layout.getX(i); 654 pos[i].fY = y + layout.getY(i); 655 } 656 if (start == 0) { 657 paint->getPosTextPath(glyphs + start, (end - start) << 1, pos + start, path); 658 } else { 659 paint->getPosTextPath(glyphs + start, (end - start) << 1, pos + start, &tmpPath); 660 path->addPath(tmpPath); 661 } 662 } 663 private: 664 const Layout& layout; 665 SkPath* path; 666 jfloat x; 667 jfloat y; 668 Paint* paint; 669 uint16_t* glyphs; 670 SkPoint* pos; 671 SkPath tmpPath; 672 }; 673 674 static void getTextPath(JNIEnv* env, Paint* paint, TypefaceImpl* typeface, const jchar* text, 675 jint count, jint bidiFlags, jfloat x, jfloat y, SkPath* path) { 676 Layout layout; 677 MinikinUtils::doLayout(&layout, paint, bidiFlags, typeface, text, 0, count, count); 678 size_t nGlyphs = layout.nGlyphs(); 679 uint16_t* glyphs = new uint16_t[nGlyphs]; 680 SkPoint* pos = new SkPoint[nGlyphs]; 681 682 x += MinikinUtils::xOffsetForTextAlign(paint, layout); 683 Paint::Align align = paint->getTextAlign(); 684 paint->setTextAlign(Paint::kLeft_Align); 685 paint->setTextEncoding(Paint::kGlyphID_TextEncoding); 686 GetTextFunctor f(layout, path, x, y, paint, glyphs, pos); 687 MinikinUtils::forFontRun(layout, paint, f); 688 paint->setTextAlign(align); 689 delete[] glyphs; 690 delete[] pos; 691 } 692 693 static void getTextPath___C(JNIEnv* env, jobject clazz, jlong paintHandle, 694 jlong typefaceHandle, jint bidiFlags, 695 jcharArray text, jint index, jint count, jfloat x, jfloat y, jlong pathHandle) { 696 Paint* paint = reinterpret_cast<Paint*>(paintHandle); 697 TypefaceImpl* typeface = reinterpret_cast<TypefaceImpl*>(typefaceHandle); 698 SkPath* path = reinterpret_cast<SkPath*>(pathHandle); 699 const jchar* textArray = env->GetCharArrayElements(text, NULL); 700 getTextPath(env, paint, typeface, textArray + index, count, bidiFlags, x, y, path); 701 env->ReleaseCharArrayElements(text, const_cast<jchar*>(textArray), JNI_ABORT); 702 } 703 704 static void getTextPath__String(JNIEnv* env, jobject clazz, jlong paintHandle, 705 jlong typefaceHandle, jint bidiFlags, 706 jstring text, jint start, jint end, jfloat x, jfloat y, jlong pathHandle) { 707 Paint* paint = reinterpret_cast<Paint*>(paintHandle); 708 TypefaceImpl* typeface = reinterpret_cast<TypefaceImpl*>(typefaceHandle); 709 SkPath* path = reinterpret_cast<SkPath*>(pathHandle); 710 const jchar* textArray = env->GetStringChars(text, NULL); 711 getTextPath(env, paint, typeface, textArray + start, end - start, bidiFlags, x, y, path); 712 env->ReleaseStringChars(text, textArray); 713 } 714 715 static void setShadowLayer(JNIEnv* env, jobject clazz, jlong paintHandle, jfloat radius, 716 jfloat dx, jfloat dy, jint color) { 717 Paint* paint = reinterpret_cast<Paint*>(paintHandle); 718 if (radius <= 0) { 719 paint->setLooper(NULL); 720 } 721 else { 722 SkScalar sigma = android::uirenderer::Blur::convertRadiusToSigma(radius); 723 paint->setLooper(SkBlurDrawLooper::Create((SkColor)color, sigma, dx, dy))->unref(); 724 } 725 } 726 727 static jboolean hasShadowLayer(JNIEnv* env, jobject clazz, jlong paintHandle) { 728 Paint* paint = reinterpret_cast<Paint*>(paintHandle); 729 return paint->getLooper() && paint->getLooper()->asABlurShadow(NULL); 730 } 731 732 static int breakText(JNIEnv* env, const Paint& paint, TypefaceImpl* typeface, const jchar text[], 733 int count, float maxWidth, jint bidiFlags, jfloatArray jmeasured, 734 const bool forwardScan) { 735 size_t measuredCount = 0; 736 float measured = 0; 737 738 Layout layout; 739 MinikinUtils::doLayout(&layout, &paint, bidiFlags, typeface, text, 0, count, count); 740 float* advances = new float[count]; 741 layout.getAdvances(advances); 742 743 for (int i = 0; i < count; i++) { 744 // traverse in the given direction 745 int index = forwardScan ? i : (count - i - 1); 746 float width = advances[index]; 747 if (measured + width > maxWidth) { 748 break; 749 } 750 // properly handle clusters when scanning backwards 751 if (forwardScan || width != 0.0f) { 752 measuredCount = i + 1; 753 } 754 measured += width; 755 } 756 delete[] advances; 757 758 if (jmeasured && env->GetArrayLength(jmeasured) > 0) { 759 AutoJavaFloatArray autoMeasured(env, jmeasured, 1); 760 jfloat* array = autoMeasured.ptr(); 761 array[0] = measured; 762 } 763 return measuredCount; 764 } 765 766 static jint breakTextC(JNIEnv* env, jobject clazz, jlong paintHandle, jlong typefaceHandle, jcharArray jtext, 767 jint index, jint count, jfloat maxWidth, jint bidiFlags, jfloatArray jmeasuredWidth) { 768 NPE_CHECK_RETURN_ZERO(env, jtext); 769 770 Paint* paint = reinterpret_cast<Paint*>(paintHandle); 771 TypefaceImpl* typeface = reinterpret_cast<TypefaceImpl*>(typefaceHandle); 772 773 bool forwardTextDirection; 774 if (count < 0) { 775 forwardTextDirection = false; 776 count = -count; 777 } 778 else { 779 forwardTextDirection = true; 780 } 781 782 if ((index < 0) || (index + count > env->GetArrayLength(jtext))) { 783 doThrowAIOOBE(env); 784 return 0; 785 } 786 787 const jchar* text = env->GetCharArrayElements(jtext, NULL); 788 count = breakText(env, *paint, typeface, text + index, count, maxWidth, 789 bidiFlags, jmeasuredWidth, forwardTextDirection); 790 env->ReleaseCharArrayElements(jtext, const_cast<jchar*>(text), 791 JNI_ABORT); 792 return count; 793 } 794 795 static jint breakTextS(JNIEnv* env, jobject clazz, jlong paintHandle, jlong typefaceHandle, jstring jtext, 796 jboolean forwards, jfloat maxWidth, jint bidiFlags, jfloatArray jmeasuredWidth) { 797 NPE_CHECK_RETURN_ZERO(env, jtext); 798 799 Paint* paint = reinterpret_cast<Paint*>(paintHandle); 800 TypefaceImpl* typeface = reinterpret_cast<TypefaceImpl*>(typefaceHandle); 801 802 int count = env->GetStringLength(jtext); 803 const jchar* text = env->GetStringChars(jtext, NULL); 804 count = breakText(env, *paint, typeface, text, count, maxWidth, bidiFlags, jmeasuredWidth, forwards); 805 env->ReleaseStringChars(jtext, text); 806 return count; 807 } 808 809 static void doTextBounds(JNIEnv* env, const jchar* text, int count, jobject bounds, 810 const Paint& paint, TypefaceImpl* typeface, jint bidiFlags) { 811 SkRect r; 812 SkIRect ir; 813 814 Layout layout; 815 MinikinUtils::doLayout(&layout, &paint, bidiFlags, typeface, text, 0, count, count); 816 MinikinRect rect; 817 layout.getBounds(&rect); 818 r.fLeft = rect.mLeft; 819 r.fTop = rect.mTop; 820 r.fRight = rect.mRight; 821 r.fBottom = rect.mBottom; 822 r.roundOut(&ir); 823 GraphicsJNI::irect_to_jrect(ir, env, bounds); 824 } 825 826 static void getStringBounds(JNIEnv* env, jobject, jlong paintHandle, jlong typefaceHandle, 827 jstring text, jint start, jint end, jint bidiFlags, jobject bounds) { 828 const Paint* paint = reinterpret_cast<Paint*>(paintHandle); 829 TypefaceImpl* typeface = reinterpret_cast<TypefaceImpl*>(typefaceHandle); 830 const jchar* textArray = env->GetStringChars(text, NULL); 831 doTextBounds(env, textArray + start, end - start, bounds, *paint, typeface, bidiFlags); 832 env->ReleaseStringChars(text, textArray); 833 } 834 835 static void getCharArrayBounds(JNIEnv* env, jobject, jlong paintHandle, jlong typefaceHandle, 836 jcharArray text, jint index, jint count, jint bidiFlags, jobject bounds) { 837 const Paint* paint = reinterpret_cast<Paint*>(paintHandle); 838 TypefaceImpl* typeface = reinterpret_cast<TypefaceImpl*>(typefaceHandle); 839 const jchar* textArray = env->GetCharArrayElements(text, NULL); 840 doTextBounds(env, textArray + index, count, bounds, *paint, typeface, bidiFlags); 841 env->ReleaseCharArrayElements(text, const_cast<jchar*>(textArray), 842 JNI_ABORT); 843 } 844 845 static jboolean layoutContainsNotdef(const Layout& layout) { 846 for (size_t i = 0; i < layout.nGlyphs(); i++) { 847 if (layout.getGlyphId(i) == 0) { 848 return true; 849 } 850 } 851 return false; 852 } 853 854 static jboolean hasGlyph(JNIEnv *env, jclass, jlong paintHandle, jlong typefaceHandle, 855 jint bidiFlags, jstring string) { 856 const Paint* paint = reinterpret_cast<Paint*>(paintHandle); 857 TypefaceImpl* typeface = reinterpret_cast<TypefaceImpl*>(typefaceHandle); 858 ScopedStringChars str(env, string); 859 860 /* Start by rejecting unsupported base code point and variation selector pairs. */ 861 size_t nChars = 0; 862 const uint32_t kStartOfString = 0xFFFFFFFF; 863 uint32_t prevCp = kStartOfString; 864 for (size_t i = 0; i < str.size(); i++) { 865 jchar cu = str[i]; 866 uint32_t cp = cu; 867 if (U16_IS_TRAIL(cu)) { 868 // invalid UTF-16, unpaired trailing surrogate 869 return false; 870 } else if (U16_IS_LEAD(cu)) { 871 if (i + 1 == str.size()) { 872 // invalid UTF-16, unpaired leading surrogate at end of string 873 return false; 874 } 875 i++; 876 jchar cu2 = str[i]; 877 if (!U16_IS_TRAIL(cu2)) { 878 // invalid UTF-16, unpaired leading surrogate 879 return false; 880 } 881 cp = U16_GET_SUPPLEMENTARY(cu, cu2); 882 } 883 884 if (prevCp != kStartOfString && 885 ((0xFE00 <= cp && cp <= 0xFE0F) || (0xE0100 <= cp && cp <= 0xE01EF)) && 886 !MinikinUtils::hasVariationSelector(typeface, prevCp, cp)) { 887 // No font has a glyph for the code point and variation selector pair. 888 return false; 889 } 890 nChars++; 891 prevCp = cp; 892 } 893 Layout layout; 894 MinikinUtils::doLayout(&layout, paint, bidiFlags, typeface, str.get(), 0, str.size(), 895 str.size()); 896 size_t nGlyphs = layout.nGlyphs(); 897 if (nGlyphs != 1 && nChars > 1) { 898 // multiple-character input, and was not a ligature 899 // TODO: handle ZWJ/ZWNJ characters specially so we can detect certain ligatures 900 // in joining scripts, such as Arabic and Mongolian. 901 return false; 902 } 903 return nGlyphs > 0 && !layoutContainsNotdef(layout); 904 } 905 906 static jfloat doRunAdvance(const Paint* paint, TypefaceImpl* typeface, const jchar buf[], 907 jint start, jint count, jint bufSize, jboolean isRtl, jint offset) { 908 Layout layout; 909 int bidiFlags = isRtl ? kBidi_Force_RTL : kBidi_Force_LTR; 910 MinikinUtils::doLayout(&layout, paint, bidiFlags, typeface, buf, start, count, bufSize); 911 return getRunAdvance(layout, buf, start, count, offset); 912 } 913 914 static jfloat getRunAdvance___CIIIIZI_F(JNIEnv *env, jclass, jlong paintHandle, 915 jlong typefaceHandle, jcharArray text, jint start, jint end, jint contextStart, 916 jint contextEnd, jboolean isRtl, jint offset) { 917 const Paint* paint = reinterpret_cast<Paint*>(paintHandle); 918 TypefaceImpl* typeface = reinterpret_cast<TypefaceImpl*>(typefaceHandle); 919 jchar* textArray = (jchar*) env->GetPrimitiveArrayCritical(text, NULL); 920 jfloat result = doRunAdvance(paint, typeface, textArray + contextStart, 921 start - contextStart, end - start, contextEnd - contextStart, isRtl, 922 offset - contextStart); 923 env->ReleasePrimitiveArrayCritical(text, textArray, JNI_ABORT); 924 return result; 925 } 926 927 static jint doOffsetForAdvance(const Paint* paint, TypefaceImpl* typeface, const jchar buf[], 928 jint start, jint count, jint bufSize, jboolean isRtl, jfloat advance) { 929 Layout layout; 930 int bidiFlags = isRtl ? kBidi_Force_RTL : kBidi_Force_LTR; 931 MinikinUtils::doLayout(&layout, paint, bidiFlags, typeface, buf, start, count, bufSize); 932 return getOffsetForAdvance(layout, buf, start, count, advance); 933 } 934 static jint getOffsetForAdvance___CIIIIZF_I(JNIEnv *env, jclass, jlong paintHandle, 935 jlong typefaceHandle, jcharArray text, jint start, jint end, jint contextStart, 936 jint contextEnd, jboolean isRtl, jfloat advance) { 937 const Paint* paint = reinterpret_cast<Paint*>(paintHandle); 938 TypefaceImpl* typeface = reinterpret_cast<TypefaceImpl*>(typefaceHandle); 939 jchar* textArray = (jchar*) env->GetPrimitiveArrayCritical(text, NULL); 940 jint result = doOffsetForAdvance(paint, typeface, textArray + contextStart, 941 start - contextStart, end - start, contextEnd - contextStart, isRtl, advance); 942 result += contextStart; 943 env->ReleasePrimitiveArrayCritical(text, textArray, JNI_ABORT); 944 return result; 945 } 946 947}; // namespace PaintGlue 948 949static const JNINativeMethod methods[] = { 950 {"nFinalizer", "(J)V", (void*) PaintGlue::finalizer}, 951 {"nInit","()J", (void*) PaintGlue::init}, 952 {"nInitWithPaint","(J)J", (void*) PaintGlue::initWithPaint}, 953 954 {"nReset","!(J)V", (void*) PaintGlue::reset}, 955 {"nSet","!(JJ)V", (void*) PaintGlue::assign}, 956 {"nGetFlags","!(J)I", (void*) PaintGlue::getFlags}, 957 {"nSetFlags","!(JI)V", (void*) PaintGlue::setFlags}, 958 {"nGetHinting","!(J)I", (void*) PaintGlue::getHinting}, 959 {"nSetHinting","!(JI)V", (void*) PaintGlue::setHinting}, 960 {"nSetAntiAlias","!(JZ)V", (void*) PaintGlue::setAntiAlias}, 961 {"nSetSubpixelText","!(JZ)V", (void*) PaintGlue::setSubpixelText}, 962 {"nSetLinearText","!(JZ)V", (void*) PaintGlue::setLinearText}, 963 {"nSetUnderlineText","!(JZ)V", (void*) PaintGlue::setUnderlineText}, 964 {"nSetStrikeThruText","!(JZ)V", (void*) PaintGlue::setStrikeThruText}, 965 {"nSetFakeBoldText","!(JZ)V", (void*) PaintGlue::setFakeBoldText}, 966 {"nSetFilterBitmap","!(JZ)V", (void*) PaintGlue::setFilterBitmap}, 967 {"nSetDither","!(JZ)V", (void*) PaintGlue::setDither}, 968 {"nGetStyle","!(J)I", (void*) PaintGlue::getStyle}, 969 {"nSetStyle","!(JI)V", (void*) PaintGlue::setStyle}, 970 {"nGetColor","!(J)I", (void*) PaintGlue::getColor}, 971 {"nSetColor","!(JI)V", (void*) PaintGlue::setColor}, 972 {"nGetAlpha","!(J)I", (void*) PaintGlue::getAlpha}, 973 {"nSetAlpha","!(JI)V", (void*) PaintGlue::setAlpha}, 974 {"nGetStrokeWidth","!(J)F", (void*) PaintGlue::getStrokeWidth}, 975 {"nSetStrokeWidth","!(JF)V", (void*) PaintGlue::setStrokeWidth}, 976 {"nGetStrokeMiter","!(J)F", (void*) PaintGlue::getStrokeMiter}, 977 {"nSetStrokeMiter","!(JF)V", (void*) PaintGlue::setStrokeMiter}, 978 {"nGetStrokeCap","!(J)I", (void*) PaintGlue::getStrokeCap}, 979 {"nSetStrokeCap","!(JI)V", (void*) PaintGlue::setStrokeCap}, 980 {"nGetStrokeJoin","!(J)I", (void*) PaintGlue::getStrokeJoin}, 981 {"nSetStrokeJoin","!(JI)V", (void*) PaintGlue::setStrokeJoin}, 982 {"nGetFillPath","!(JJJ)Z", (void*) PaintGlue::getFillPath}, 983 {"nSetShader","!(JJ)J", (void*) PaintGlue::setShader}, 984 {"nSetColorFilter","!(JJ)J", (void*) PaintGlue::setColorFilter}, 985 {"nSetXfermode","!(JJ)J", (void*) PaintGlue::setXfermode}, 986 {"nSetPathEffect","!(JJ)J", (void*) PaintGlue::setPathEffect}, 987 {"nSetMaskFilter","!(JJ)J", (void*) PaintGlue::setMaskFilter}, 988 {"nSetTypeface","!(JJ)J", (void*) PaintGlue::setTypeface}, 989 {"nSetRasterizer","!(JJ)J", (void*) PaintGlue::setRasterizer}, 990 {"nGetTextAlign","!(J)I", (void*) PaintGlue::getTextAlign}, 991 {"nSetTextAlign","!(JI)V", (void*) PaintGlue::setTextAlign}, 992 {"nSetTextLocales","!(JLjava/lang/String;)I", (void*) PaintGlue::setTextLocales}, 993 {"nSetTextLocalesByMinikinLangListId","!(JI)V", 994 (void*) PaintGlue::setTextLocalesByMinikinLangListId}, 995 {"nIsElegantTextHeight","!(J)Z", (void*) PaintGlue::isElegantTextHeight}, 996 {"nSetElegantTextHeight","!(JZ)V", (void*) PaintGlue::setElegantTextHeight}, 997 {"nGetTextSize","!(J)F", (void*) PaintGlue::getTextSize}, 998 {"nSetTextSize","!(JF)V", (void*) PaintGlue::setTextSize}, 999 {"nGetTextScaleX","!(J)F", (void*) PaintGlue::getTextScaleX}, 1000 {"nSetTextScaleX","!(JF)V", (void*) PaintGlue::setTextScaleX}, 1001 {"nGetTextSkewX","!(J)F", (void*) PaintGlue::getTextSkewX}, 1002 {"nSetTextSkewX","!(JF)V", (void*) PaintGlue::setTextSkewX}, 1003 {"nGetLetterSpacing","!(J)F", (void*) PaintGlue::getLetterSpacing}, 1004 {"nSetLetterSpacing","!(JF)V", (void*) PaintGlue::setLetterSpacing}, 1005 {"nSetFontFeatureSettings","(JLjava/lang/String;)V", 1006 (void*) PaintGlue::setFontFeatureSettings}, 1007 {"nGetHyphenEdit", "!(J)I", (void*) PaintGlue::getHyphenEdit}, 1008 {"nSetHyphenEdit", "!(JI)V", (void*) PaintGlue::setHyphenEdit}, 1009 {"nAscent","!(JJ)F", (void*) PaintGlue::ascent}, 1010 {"nDescent","!(JJ)F", (void*) PaintGlue::descent}, 1011 1012 {"nGetFontMetrics", "!(JJLandroid/graphics/Paint$FontMetrics;)F", 1013 (void*)PaintGlue::getFontMetrics}, 1014 {"nGetFontMetricsInt", "!(JJLandroid/graphics/Paint$FontMetricsInt;)I", 1015 (void*)PaintGlue::getFontMetricsInt}, 1016 1017 {"nBreakText","(JJ[CIIFI[F)I", (void*) PaintGlue::breakTextC}, 1018 {"nBreakText","(JJLjava/lang/String;ZFI[F)I", (void*) PaintGlue::breakTextS}, 1019 {"nGetTextAdvances","(JJ[CIIIII[FI)F", 1020 (void*) PaintGlue::getTextAdvances___CIIIII_FI}, 1021 {"nGetTextAdvances","(JJLjava/lang/String;IIIII[FI)F", 1022 (void*) PaintGlue::getTextAdvances__StringIIIII_FI}, 1023 1024 {"nGetTextRunCursor", "(J[CIIIII)I", (void*) PaintGlue::getTextRunCursor___C}, 1025 {"nGetTextRunCursor", "(JLjava/lang/String;IIIII)I", 1026 (void*) PaintGlue::getTextRunCursor__String}, 1027 {"nGetTextPath", "(JJI[CIIFFJ)V", (void*) PaintGlue::getTextPath___C}, 1028 {"nGetTextPath", "(JJILjava/lang/String;IIFFJ)V", (void*) PaintGlue::getTextPath__String}, 1029 {"nGetStringBounds", "(JJLjava/lang/String;IIILandroid/graphics/Rect;)V", 1030 (void*) PaintGlue::getStringBounds }, 1031 {"nGetCharArrayBounds", "(JJ[CIIILandroid/graphics/Rect;)V", 1032 (void*) PaintGlue::getCharArrayBounds }, 1033 {"nHasGlyph", "(JJILjava/lang/String;)Z", (void*) PaintGlue::hasGlyph }, 1034 {"nGetRunAdvance", "(JJ[CIIIIZI)F", (void*) PaintGlue::getRunAdvance___CIIIIZI_F}, 1035 {"nGetOffsetForAdvance", "(JJ[CIIIIZF)I", 1036 (void*) PaintGlue::getOffsetForAdvance___CIIIIZF_I}, 1037 1038 {"nSetShadowLayer", "!(JFFFI)V", (void*)PaintGlue::setShadowLayer}, 1039 {"nHasShadowLayer", "!(J)Z", (void*)PaintGlue::hasShadowLayer} 1040}; 1041 1042int register_android_graphics_Paint(JNIEnv* env) { 1043 gFontMetrics_class = FindClassOrDie(env, "android/graphics/Paint$FontMetrics"); 1044 gFontMetrics_class = MakeGlobalRefOrDie(env, gFontMetrics_class); 1045 1046 gFontMetrics_fieldID.top = GetFieldIDOrDie(env, gFontMetrics_class, "top", "F"); 1047 gFontMetrics_fieldID.ascent = GetFieldIDOrDie(env, gFontMetrics_class, "ascent", "F"); 1048 gFontMetrics_fieldID.descent = GetFieldIDOrDie(env, gFontMetrics_class, "descent", "F"); 1049 gFontMetrics_fieldID.bottom = GetFieldIDOrDie(env, gFontMetrics_class, "bottom", "F"); 1050 gFontMetrics_fieldID.leading = GetFieldIDOrDie(env, gFontMetrics_class, "leading", "F"); 1051 1052 gFontMetricsInt_class = FindClassOrDie(env, "android/graphics/Paint$FontMetricsInt"); 1053 gFontMetricsInt_class = MakeGlobalRefOrDie(env, gFontMetricsInt_class); 1054 1055 gFontMetricsInt_fieldID.top = GetFieldIDOrDie(env, gFontMetricsInt_class, "top", "I"); 1056 gFontMetricsInt_fieldID.ascent = GetFieldIDOrDie(env, gFontMetricsInt_class, "ascent", "I"); 1057 gFontMetricsInt_fieldID.descent = GetFieldIDOrDie(env, gFontMetricsInt_class, "descent", "I"); 1058 gFontMetricsInt_fieldID.bottom = GetFieldIDOrDie(env, gFontMetricsInt_class, "bottom", "I"); 1059 gFontMetricsInt_fieldID.leading = GetFieldIDOrDie(env, gFontMetricsInt_class, "leading", "I"); 1060 1061 return RegisterMethodsOrDie(env, "android/graphics/Paint", methods, NELEM(methods)); 1062} 1063 1064} 1065