Paint.cpp revision 536afe6ef79a663e59c3b9781c561f7029ee9319
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 "SkRasterizer.h" 32#include "SkShader.h" 33#include "SkTypeface.h" 34#include "SkXfermode.h" 35#include "unicode/uloc.h" 36#include "unicode/ushape.h" 37#include "utils/Blur.h" 38 39#include <minikin/GraphemeBreak.h> 40#include <minikin/Measurement.h> 41#include "MinikinSkia.h" 42#include "MinikinUtils.h" 43#include "Paint.h" 44#include "TypefaceImpl.h" 45 46#include <vector> 47#include <memory> 48 49// temporary for debugging 50#include <Caches.h> 51#include <utils/Log.h> 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 jclass gPaint_class; 70static jfieldID gPaint_nativeInstanceID; 71static jfieldID gPaint_nativeTypefaceID; 72 73static void defaultSettingsForAndroid(Paint* paint) { 74 // GlyphID encoding is required because we are using Harfbuzz shaping 75 paint->setTextEncoding(Paint::kGlyphID_TextEncoding); 76} 77 78struct LocaleCacheEntry { 79 std::string javaLocale; 80 std::string languageTag; 81}; 82 83static thread_local LocaleCacheEntry sSingleEntryLocaleCache; 84 85class PaintGlue { 86public: 87 enum MoveOpt { 88 AFTER, AT_OR_AFTER, BEFORE, AT_OR_BEFORE, AT 89 }; 90 91 static Paint* getNativePaint(JNIEnv* env, jobject paint) { 92 SkASSERT(env); 93 SkASSERT(paint); 94 SkASSERT(env->IsInstanceOf(paint, gPaint_class)); 95 jlong paintHandle = env->GetLongField(paint, gPaint_nativeInstanceID); 96 android::Paint* p = reinterpret_cast<android::Paint*>(paintHandle); 97 SkASSERT(p); 98 return p; 99 } 100 101 static TypefaceImpl* getNativeTypeface(JNIEnv* env, jobject paint) { 102 SkASSERT(env); 103 SkASSERT(paint); 104 SkASSERT(env->IsInstanceOf(paint, gPaint_class)); 105 jlong typefaceHandle = env->GetLongField(paint, gPaint_nativeTypefaceID); 106 android::TypefaceImpl* p = reinterpret_cast<android::TypefaceImpl*>(typefaceHandle); 107 return p; 108 } 109 110 static void finalizer(JNIEnv* env, jobject clazz, jlong objHandle) { 111 Paint* obj = reinterpret_cast<Paint*>(objHandle); 112 delete obj; 113 } 114 115 static jlong init(JNIEnv* env, jobject clazz) { 116 static_assert(1 << 0 == SkPaint::kAntiAlias_Flag, "paint_flags_mismatch"); 117 static_assert(1 << 2 == SkPaint::kDither_Flag, "paint_flags_mismatch"); 118 static_assert(1 << 3 == SkPaint::kUnderlineText_Flag, "paint_flags_mismatch"); 119 static_assert(1 << 4 == SkPaint::kStrikeThruText_Flag, "paint_flags_mismatch"); 120 static_assert(1 << 5 == SkPaint::kFakeBoldText_Flag, "paint_flags_mismatch"); 121 static_assert(1 << 6 == SkPaint::kLinearText_Flag, "paint_flags_mismatch"); 122 static_assert(1 << 7 == SkPaint::kSubpixelText_Flag, "paint_flags_mismatch"); 123 static_assert(1 << 8 == SkPaint::kDevKernText_Flag, "paint_flags_mismatch"); 124 static_assert(1 << 10 == SkPaint::kEmbeddedBitmapText_Flag, "paint_flags_mismatch"); 125 126 Paint* obj = new Paint(); 127 defaultSettingsForAndroid(obj); 128 return reinterpret_cast<jlong>(obj); 129 } 130 131 static jlong initWithPaint(JNIEnv* env, jobject clazz, jlong paintHandle) { 132 Paint* paint = reinterpret_cast<Paint*>(paintHandle); 133 Paint* obj = new Paint(*paint); 134 return reinterpret_cast<jlong>(obj); 135 } 136 137 static void reset(JNIEnv* env, jobject clazz, jlong objHandle) { 138 Paint* obj = reinterpret_cast<Paint*>(objHandle); 139 obj->reset(); 140 defaultSettingsForAndroid(obj); 141 } 142 143 static void assign(JNIEnv* env, jobject clazz, jlong dstPaintHandle, jlong srcPaintHandle) { 144 Paint* dst = reinterpret_cast<Paint*>(dstPaintHandle); 145 const Paint* src = reinterpret_cast<Paint*>(srcPaintHandle); 146 *dst = *src; 147 } 148 149 // Equivalent to the Java Paint's FILTER_BITMAP_FLAG. 150 static const uint32_t sFilterBitmapFlag = 0x02; 151 152 static jint getFlags(JNIEnv* env, jobject paint) { 153 NPE_CHECK_RETURN_ZERO(env, paint); 154 Paint* nativePaint = getNativePaint(env, paint); 155 uint32_t result = nativePaint->getFlags(); 156 result &= ~sFilterBitmapFlag; // Filtering no longer stored in this bit. Mask away. 157 if (nativePaint->getFilterQuality() != kNone_SkFilterQuality) { 158 result |= sFilterBitmapFlag; 159 } 160 return static_cast<jint>(result); 161 } 162 163 static void setFlags(JNIEnv* env, jobject paint, jint flags) { 164 NPE_CHECK_RETURN_VOID(env, paint); 165 Paint* nativePaint = getNativePaint(env, paint); 166 // Instead of modifying 0x02, change the filter level. 167 nativePaint->setFilterQuality(flags & sFilterBitmapFlag 168 ? kLow_SkFilterQuality 169 : kNone_SkFilterQuality); 170 // Don't pass through filter flag, which is no longer stored in paint's flags. 171 flags &= ~sFilterBitmapFlag; 172 // Use the existing value for 0x02. 173 const uint32_t existing0x02Flag = nativePaint->getFlags() & sFilterBitmapFlag; 174 flags |= existing0x02Flag; 175 nativePaint->setFlags(flags); 176 } 177 178 static jint getHinting(JNIEnv* env, jobject paint) { 179 NPE_CHECK_RETURN_ZERO(env, paint); 180 return getNativePaint(env, paint)->getHinting() 181 == Paint::kNo_Hinting ? 0 : 1; 182 } 183 184 static void setHinting(JNIEnv* env, jobject paint, jint mode) { 185 NPE_CHECK_RETURN_VOID(env, paint); 186 getNativePaint(env, paint)->setHinting( 187 mode == 0 ? Paint::kNo_Hinting : Paint::kNormal_Hinting); 188 } 189 190 static void setAntiAlias(JNIEnv* env, jobject paint, jboolean aa) { 191 NPE_CHECK_RETURN_VOID(env, paint); 192 getNativePaint(env, paint)->setAntiAlias(aa); 193 } 194 195 static void setLinearText(JNIEnv* env, jobject paint, jboolean linearText) { 196 NPE_CHECK_RETURN_VOID(env, paint); 197 getNativePaint(env, paint)->setLinearText(linearText); 198 } 199 200 static void setSubpixelText(JNIEnv* env, jobject paint, jboolean subpixelText) { 201 NPE_CHECK_RETURN_VOID(env, paint); 202 getNativePaint(env, paint)->setSubpixelText(subpixelText); 203 } 204 205 static void setUnderlineText(JNIEnv* env, jobject paint, jboolean underlineText) { 206 NPE_CHECK_RETURN_VOID(env, paint); 207 getNativePaint(env, paint)->setUnderlineText(underlineText); 208 } 209 210 static void setStrikeThruText(JNIEnv* env, jobject paint, jboolean strikeThruText) { 211 NPE_CHECK_RETURN_VOID(env, paint); 212 getNativePaint(env, paint)->setStrikeThruText(strikeThruText); 213 } 214 215 static void setFakeBoldText(JNIEnv* env, jobject paint, jboolean fakeBoldText) { 216 NPE_CHECK_RETURN_VOID(env, paint); 217 getNativePaint(env, paint)->setFakeBoldText(fakeBoldText); 218 } 219 220 static void setFilterBitmap(JNIEnv* env, jobject paint, jboolean filterBitmap) { 221 NPE_CHECK_RETURN_VOID(env, paint); 222 getNativePaint(env, paint)->setFilterQuality( 223 filterBitmap ? kLow_SkFilterQuality : kNone_SkFilterQuality); 224 } 225 226 static void setDither(JNIEnv* env, jobject paint, jboolean dither) { 227 NPE_CHECK_RETURN_VOID(env, paint); 228 getNativePaint(env, paint)->setDither(dither); 229 } 230 231 static jint getStyle(JNIEnv* env, jobject clazz,jlong objHandle) { 232 Paint* obj = reinterpret_cast<Paint*>(objHandle); 233 return static_cast<jint>(obj->getStyle()); 234 } 235 236 static void setStyle(JNIEnv* env, jobject clazz, jlong objHandle, jint styleHandle) { 237 Paint* obj = reinterpret_cast<Paint*>(objHandle); 238 Paint::Style style = static_cast<Paint::Style>(styleHandle); 239 obj->setStyle(style); 240 } 241 242 static jint getColor(JNIEnv* env, jobject paint) { 243 NPE_CHECK_RETURN_ZERO(env, paint); 244 int color; 245 color = getNativePaint(env, paint)->getColor(); 246 return static_cast<jint>(color); 247 } 248 249 static jint getAlpha(JNIEnv* env, jobject paint) { 250 NPE_CHECK_RETURN_ZERO(env, paint); 251 int alpha; 252 alpha = getNativePaint(env, paint)->getAlpha(); 253 return static_cast<jint>(alpha); 254 } 255 256 static void setColor(JNIEnv* env, jobject paint, jint color) { 257 NPE_CHECK_RETURN_VOID(env, paint); 258 getNativePaint(env, paint)->setColor(color); 259 } 260 261 static void setAlpha(JNIEnv* env, jobject paint, jint a) { 262 NPE_CHECK_RETURN_VOID(env, paint); 263 getNativePaint(env, paint)->setAlpha(a); 264 } 265 266 static jfloat getStrokeWidth(JNIEnv* env, jobject paint) { 267 NPE_CHECK_RETURN_ZERO(env, paint); 268 return SkScalarToFloat(getNativePaint(env, paint)->getStrokeWidth()); 269 } 270 271 static void setStrokeWidth(JNIEnv* env, jobject paint, jfloat width) { 272 NPE_CHECK_RETURN_VOID(env, paint); 273 getNativePaint(env, paint)->setStrokeWidth(width); 274 } 275 276 static jfloat getStrokeMiter(JNIEnv* env, jobject paint) { 277 NPE_CHECK_RETURN_ZERO(env, paint); 278 return SkScalarToFloat(getNativePaint(env, paint)->getStrokeMiter()); 279 } 280 281 static void setStrokeMiter(JNIEnv* env, jobject paint, jfloat miter) { 282 NPE_CHECK_RETURN_VOID(env, paint); 283 getNativePaint(env, paint)->setStrokeMiter(miter); 284 } 285 286 static jint getStrokeCap(JNIEnv* env, jobject clazz, jlong objHandle) { 287 Paint* obj = reinterpret_cast<Paint*>(objHandle); 288 return static_cast<jint>(obj->getStrokeCap()); 289 } 290 291 static void setStrokeCap(JNIEnv* env, jobject clazz, jlong objHandle, jint capHandle) { 292 Paint* obj = reinterpret_cast<Paint*>(objHandle); 293 Paint::Cap cap = static_cast<Paint::Cap>(capHandle); 294 obj->setStrokeCap(cap); 295 } 296 297 static jint getStrokeJoin(JNIEnv* env, jobject clazz, jlong objHandle) { 298 Paint* obj = reinterpret_cast<Paint*>(objHandle); 299 return static_cast<jint>(obj->getStrokeJoin()); 300 } 301 302 static void setStrokeJoin(JNIEnv* env, jobject clazz, jlong objHandle, jint joinHandle) { 303 Paint* obj = reinterpret_cast<Paint*>(objHandle); 304 Paint::Join join = (Paint::Join) joinHandle; 305 obj->setStrokeJoin(join); 306 } 307 308 static jboolean getFillPath(JNIEnv* env, jobject clazz, jlong objHandle, jlong srcHandle, jlong dstHandle) { 309 Paint* obj = reinterpret_cast<Paint*>(objHandle); 310 SkPath* src = reinterpret_cast<SkPath*>(srcHandle); 311 SkPath* dst = reinterpret_cast<SkPath*>(dstHandle); 312 return obj->getFillPath(*src, dst) ? JNI_TRUE : JNI_FALSE; 313 } 314 315 static jlong setShader(JNIEnv* env, jobject clazz, jlong objHandle, jlong shaderHandle) { 316 Paint* obj = reinterpret_cast<Paint*>(objHandle); 317 SkShader* shader = reinterpret_cast<SkShader*>(shaderHandle); 318 return reinterpret_cast<jlong>(obj->setShader(shader)); 319 } 320 321 static jlong setColorFilter(JNIEnv* env, jobject clazz, jlong objHandle, jlong filterHandle) { 322 Paint* obj = reinterpret_cast<Paint *>(objHandle); 323 SkColorFilter* filter = reinterpret_cast<SkColorFilter *>(filterHandle); 324 return reinterpret_cast<jlong>(obj->setColorFilter(filter)); 325 } 326 327 static jlong setXfermode(JNIEnv* env, jobject clazz, jlong objHandle, jlong xfermodeHandle) { 328 Paint* obj = reinterpret_cast<Paint*>(objHandle); 329 SkXfermode* xfermode = reinterpret_cast<SkXfermode*>(xfermodeHandle); 330 return reinterpret_cast<jlong>(obj->setXfermode(xfermode)); 331 } 332 333 static jlong setPathEffect(JNIEnv* env, jobject clazz, jlong objHandle, jlong effectHandle) { 334 Paint* obj = reinterpret_cast<Paint*>(objHandle); 335 SkPathEffect* effect = reinterpret_cast<SkPathEffect*>(effectHandle); 336 return reinterpret_cast<jlong>(obj->setPathEffect(effect)); 337 } 338 339 static jlong setMaskFilter(JNIEnv* env, jobject clazz, jlong objHandle, jlong maskfilterHandle) { 340 Paint* obj = reinterpret_cast<Paint*>(objHandle); 341 SkMaskFilter* maskfilter = reinterpret_cast<SkMaskFilter*>(maskfilterHandle); 342 return reinterpret_cast<jlong>(obj->setMaskFilter(maskfilter)); 343 } 344 345 static jlong setTypeface(JNIEnv* env, jobject clazz, jlong objHandle, jlong typefaceHandle) { 346 // TODO: in Paint refactoring, set typeface on android Paint, not Paint 347 return NULL; 348 } 349 350 static jlong setRasterizer(JNIEnv* env, jobject clazz, jlong objHandle, jlong rasterizerHandle) { 351 Paint* obj = reinterpret_cast<Paint*>(objHandle); 352 SkAutoTUnref<SkRasterizer> rasterizer(GraphicsJNI::refNativeRasterizer(rasterizerHandle)); 353 return reinterpret_cast<jlong>(obj->setRasterizer(rasterizer)); 354 } 355 356 static jint getTextAlign(JNIEnv* env, jobject clazz, jlong objHandle) { 357 Paint* obj = reinterpret_cast<Paint*>(objHandle); 358 return static_cast<jint>(obj->getTextAlign()); 359 } 360 361 static void setTextAlign(JNIEnv* env, jobject clazz, jlong objHandle, jint alignHandle) { 362 Paint* obj = reinterpret_cast<Paint*>(objHandle); 363 Paint::Align align = static_cast<Paint::Align>(alignHandle); 364 obj->setTextAlign(align); 365 } 366 367 // generate bcp47 identifier for the supplied locale 368 static void toLanguageTag(char* output, size_t outSize, 369 const char* locale) { 370 if (output == NULL || outSize <= 0) { 371 return; 372 } 373 if (locale == NULL) { 374 output[0] = '\0'; 375 return; 376 } 377 char canonicalChars[ULOC_FULLNAME_CAPACITY]; 378 UErrorCode uErr = U_ZERO_ERROR; 379 uloc_canonicalize(locale, canonicalChars, ULOC_FULLNAME_CAPACITY, 380 &uErr); 381 if (U_SUCCESS(uErr)) { 382 char likelyChars[ULOC_FULLNAME_CAPACITY]; 383 uErr = U_ZERO_ERROR; 384 uloc_addLikelySubtags(canonicalChars, likelyChars, 385 ULOC_FULLNAME_CAPACITY, &uErr); 386 if (U_SUCCESS(uErr)) { 387 uErr = U_ZERO_ERROR; 388 uloc_toLanguageTag(likelyChars, output, outSize, FALSE, &uErr); 389 if (U_SUCCESS(uErr)) { 390 return; 391 } else { 392 ALOGD("uloc_toLanguageTag(\"%s\") failed: %s", likelyChars, 393 u_errorName(uErr)); 394 } 395 } else { 396 ALOGD("uloc_addLikelySubtags(\"%s\") failed: %s", 397 canonicalChars, u_errorName(uErr)); 398 } 399 } else { 400 ALOGD("uloc_canonicalize(\"%s\") failed: %s", locale, 401 u_errorName(uErr)); 402 } 403 // unable to build a proper language identifier 404 output[0] = '\0'; 405 } 406 407 static void setTextLocale(JNIEnv* env, jobject clazz, jlong objHandle, jstring locale) { 408 Paint* obj = reinterpret_cast<Paint*>(objHandle); 409 ScopedUtfChars localeChars(env, locale); 410 if (sSingleEntryLocaleCache.javaLocale != localeChars.c_str()) { 411 sSingleEntryLocaleCache.javaLocale = localeChars.c_str(); 412 char langTag[ULOC_FULLNAME_CAPACITY]; 413 toLanguageTag(langTag, ULOC_FULLNAME_CAPACITY, localeChars.c_str()); 414 sSingleEntryLocaleCache.languageTag = langTag; 415 } 416 417 obj->setTextLocale(sSingleEntryLocaleCache.languageTag); 418 } 419 420 static jboolean isElegantTextHeight(JNIEnv* env, jobject paint) { 421 NPE_CHECK_RETURN_ZERO(env, paint); 422 Paint* obj = getNativePaint(env, paint); 423 return obj->getFontVariant() == VARIANT_ELEGANT; 424 } 425 426 static void setElegantTextHeight(JNIEnv* env, jobject paint, jboolean aa) { 427 NPE_CHECK_RETURN_VOID(env, paint); 428 Paint* obj = getNativePaint(env, paint); 429 obj->setFontVariant(aa ? VARIANT_ELEGANT : VARIANT_DEFAULT); 430 } 431 432 static jfloat getTextSize(JNIEnv* env, jobject paint) { 433 NPE_CHECK_RETURN_ZERO(env, paint); 434 return SkScalarToFloat(getNativePaint(env, paint)->getTextSize()); 435 } 436 437 static void setTextSize(JNIEnv* env, jobject paint, jfloat textSize) { 438 NPE_CHECK_RETURN_VOID(env, paint); 439 getNativePaint(env, paint)->setTextSize(textSize); 440 } 441 442 static jfloat getTextScaleX(JNIEnv* env, jobject paint) { 443 NPE_CHECK_RETURN_ZERO(env, paint); 444 return SkScalarToFloat(getNativePaint(env, paint)->getTextScaleX()); 445 } 446 447 static void setTextScaleX(JNIEnv* env, jobject paint, jfloat scaleX) { 448 NPE_CHECK_RETURN_VOID(env, paint); 449 getNativePaint(env, paint)->setTextScaleX(scaleX); 450 } 451 452 static jfloat getTextSkewX(JNIEnv* env, jobject paint) { 453 NPE_CHECK_RETURN_ZERO(env, paint); 454 return SkScalarToFloat(getNativePaint(env, paint)->getTextSkewX()); 455 } 456 457 static void setTextSkewX(JNIEnv* env, jobject paint, jfloat skewX) { 458 NPE_CHECK_RETURN_VOID(env, paint); 459 getNativePaint(env, paint)->setTextSkewX(skewX); 460 } 461 462 static jfloat getLetterSpacing(JNIEnv* env, jobject clazz, jlong paintHandle) { 463 Paint* paint = reinterpret_cast<Paint*>(paintHandle); 464 return paint->getLetterSpacing(); 465 } 466 467 static void setLetterSpacing(JNIEnv* env, jobject clazz, jlong paintHandle, jfloat letterSpacing) { 468 Paint* paint = reinterpret_cast<Paint*>(paintHandle); 469 paint->setLetterSpacing(letterSpacing); 470 } 471 472 static void setFontFeatureSettings(JNIEnv* env, jobject clazz, jlong paintHandle, jstring settings) { 473 Paint* paint = reinterpret_cast<Paint*>(paintHandle); 474 if (!settings) { 475 paint->setFontFeatureSettings(std::string()); 476 } else { 477 ScopedUtfChars settingsChars(env, settings); 478 paint->setFontFeatureSettings(std::string(settingsChars.c_str(), settingsChars.size())); 479 } 480 } 481 482 static jint getHyphenEdit(JNIEnv* env, jobject clazz, jlong paintHandle, jint hyphen) { 483 Paint* paint = reinterpret_cast<Paint*>(paintHandle); 484 return paint->getHyphenEdit(); 485 } 486 487 static void setHyphenEdit(JNIEnv* env, jobject clazz, jlong paintHandle, jint hyphen) { 488 Paint* paint = reinterpret_cast<Paint*>(paintHandle); 489 paint->setHyphenEdit((uint32_t)hyphen); 490 } 491 492 static SkScalar getMetricsInternal(JNIEnv* env, jobject jpaint, Paint::FontMetrics *metrics) { 493 const int kElegantTop = 2500; 494 const int kElegantBottom = -1000; 495 const int kElegantAscent = 1900; 496 const int kElegantDescent = -500; 497 const int kElegantLeading = 0; 498 Paint* paint = getNativePaint(env, jpaint); 499 TypefaceImpl* typeface = getNativeTypeface(env, jpaint); 500 typeface = TypefaceImpl_resolveDefault(typeface); 501 FakedFont baseFont = typeface->fFontCollection->baseFontFaked(typeface->fStyle); 502 float saveSkewX = paint->getTextSkewX(); 503 bool savefakeBold = paint->isFakeBoldText(); 504 MinikinFontSkia::populateSkPaint(paint, baseFont.font, baseFont.fakery); 505 SkScalar spacing = paint->getFontMetrics(metrics); 506 // The populateSkPaint call may have changed fake bold / text skew 507 // because we want to measure with those effects applied, so now 508 // restore the original settings. 509 paint->setTextSkewX(saveSkewX); 510 paint->setFakeBoldText(savefakeBold); 511 if (paint->getFontVariant() == VARIANT_ELEGANT) { 512 SkScalar size = paint->getTextSize(); 513 metrics->fTop = -size * kElegantTop / 2048; 514 metrics->fBottom = -size * kElegantBottom / 2048; 515 metrics->fAscent = -size * kElegantAscent / 2048; 516 metrics->fDescent = -size * kElegantDescent / 2048; 517 metrics->fLeading = size * kElegantLeading / 2048; 518 spacing = metrics->fDescent - metrics->fAscent + metrics->fLeading; 519 } 520 return spacing; 521 } 522 523 static jfloat ascent(JNIEnv* env, jobject paint) { 524 NPE_CHECK_RETURN_ZERO(env, paint); 525 Paint::FontMetrics metrics; 526 getMetricsInternal(env, paint, &metrics); 527 return SkScalarToFloat(metrics.fAscent); 528 } 529 530 static jfloat descent(JNIEnv* env, jobject paint) { 531 NPE_CHECK_RETURN_ZERO(env, paint); 532 Paint::FontMetrics metrics; 533 getMetricsInternal(env, paint, &metrics); 534 return SkScalarToFloat(metrics.fDescent); 535 } 536 537 static jfloat getFontMetrics(JNIEnv* env, jobject paint, jobject metricsObj) { 538 NPE_CHECK_RETURN_ZERO(env, paint); 539 Paint::FontMetrics metrics; 540 SkScalar spacing = getMetricsInternal(env, paint, &metrics); 541 542 if (metricsObj) { 543 SkASSERT(env->IsInstanceOf(metricsObj, gFontMetrics_class)); 544 env->SetFloatField(metricsObj, gFontMetrics_fieldID.top, SkScalarToFloat(metrics.fTop)); 545 env->SetFloatField(metricsObj, gFontMetrics_fieldID.ascent, SkScalarToFloat(metrics.fAscent)); 546 env->SetFloatField(metricsObj, gFontMetrics_fieldID.descent, SkScalarToFloat(metrics.fDescent)); 547 env->SetFloatField(metricsObj, gFontMetrics_fieldID.bottom, SkScalarToFloat(metrics.fBottom)); 548 env->SetFloatField(metricsObj, gFontMetrics_fieldID.leading, SkScalarToFloat(metrics.fLeading)); 549 } 550 return SkScalarToFloat(spacing); 551 } 552 553 static jint getFontMetricsInt(JNIEnv* env, jobject paint, jobject metricsObj) { 554 NPE_CHECK_RETURN_ZERO(env, paint); 555 Paint::FontMetrics metrics; 556 557 getMetricsInternal(env, paint, &metrics); 558 int ascent = SkScalarRoundToInt(metrics.fAscent); 559 int descent = SkScalarRoundToInt(metrics.fDescent); 560 int leading = SkScalarRoundToInt(metrics.fLeading); 561 562 if (metricsObj) { 563 SkASSERT(env->IsInstanceOf(metricsObj, gFontMetricsInt_class)); 564 env->SetIntField(metricsObj, gFontMetricsInt_fieldID.top, SkScalarFloorToInt(metrics.fTop)); 565 env->SetIntField(metricsObj, gFontMetricsInt_fieldID.ascent, ascent); 566 env->SetIntField(metricsObj, gFontMetricsInt_fieldID.descent, descent); 567 env->SetIntField(metricsObj, gFontMetricsInt_fieldID.bottom, SkScalarCeilToInt(metrics.fBottom)); 568 env->SetIntField(metricsObj, gFontMetricsInt_fieldID.leading, leading); 569 } 570 return descent - ascent + leading; 571 } 572 573 static jfloat doTextAdvances(JNIEnv *env, Paint *paint, TypefaceImpl* typeface, 574 const jchar *text, jint start, jint count, jint contextCount, jint bidiFlags, 575 jfloatArray advances, jint advancesIndex) { 576 NPE_CHECK_RETURN_ZERO(env, paint); 577 NPE_CHECK_RETURN_ZERO(env, text); 578 579 if ((start | count | contextCount | advancesIndex) < 0 || contextCount < count) { 580 doThrowAIOOBE(env); 581 return 0; 582 } 583 if (count == 0) { 584 return 0; 585 } 586 if (advances) { 587 size_t advancesLength = env->GetArrayLength(advances); 588 if ((size_t)(count + advancesIndex) > advancesLength) { 589 doThrowAIOOBE(env); 590 return 0; 591 } 592 } 593 594 Layout layout; 595 MinikinUtils::doLayout(&layout, paint, bidiFlags, typeface, text, start, count, 596 contextCount); 597 if (advances != NULL) { 598 std::unique_ptr<jfloat> advancesArray(new jfloat[count]); 599 layout.getAdvances(advancesArray.get()); 600 env->SetFloatArrayRegion(advances, advancesIndex, count, advancesArray.get()); 601 } 602 return layout.getAdvance(); 603 } 604 605 static jfloat getTextAdvances___CIIIII_FI(JNIEnv* env, jobject clazz, jlong paintHandle, 606 jlong typefaceHandle, 607 jcharArray text, jint index, jint count, jint contextIndex, jint contextCount, 608 jint bidiFlags, jfloatArray advances, jint advancesIndex) { 609 Paint* paint = reinterpret_cast<Paint*>(paintHandle); 610 TypefaceImpl* typeface = reinterpret_cast<TypefaceImpl*>(typefaceHandle); 611 jchar* textArray = env->GetCharArrayElements(text, NULL); 612 jfloat result = doTextAdvances(env, paint, typeface, textArray + contextIndex, 613 index - contextIndex, count, contextCount, bidiFlags, advances, advancesIndex); 614 env->ReleaseCharArrayElements(text, textArray, JNI_ABORT); 615 return result; 616 } 617 618 static jfloat getTextAdvances__StringIIIII_FI(JNIEnv* env, jobject clazz, jlong paintHandle, 619 jlong typefaceHandle, 620 jstring text, jint start, jint end, jint contextStart, jint contextEnd, jint bidiFlags, 621 jfloatArray advances, jint advancesIndex) { 622 Paint* paint = reinterpret_cast<Paint*>(paintHandle); 623 TypefaceImpl* typeface = reinterpret_cast<TypefaceImpl*>(typefaceHandle); 624 const jchar* textArray = env->GetStringChars(text, NULL); 625 jfloat result = doTextAdvances(env, paint, typeface, textArray + contextStart, 626 start - contextStart, end - start, contextEnd - contextStart, bidiFlags, 627 advances, advancesIndex); 628 env->ReleaseStringChars(text, textArray); 629 return result; 630 } 631 632 static jint doTextRunCursor(JNIEnv *env, Paint* paint, const jchar *text, jint start, 633 jint count, jint flags, jint offset, jint opt) { 634 GraphemeBreak::MoveOpt moveOpt = GraphemeBreak::MoveOpt(opt); 635 size_t result = GraphemeBreak::getTextRunCursor(text, start, count, offset, moveOpt); 636 return static_cast<jint>(result); 637 } 638 639 static jint getTextRunCursor___C(JNIEnv* env, jobject clazz, jlong paintHandle, jcharArray text, 640 jint contextStart, jint contextCount, jint dir, jint offset, jint cursorOpt) { 641 Paint* paint = reinterpret_cast<Paint*>(paintHandle); 642 jchar* textArray = env->GetCharArrayElements(text, NULL); 643 jint result = doTextRunCursor(env, paint, textArray, contextStart, contextCount, dir, 644 offset, cursorOpt); 645 env->ReleaseCharArrayElements(text, textArray, JNI_ABORT); 646 return result; 647 } 648 649 static jint getTextRunCursor__String(JNIEnv* env, jobject clazz, jlong paintHandle, jstring text, 650 jint contextStart, jint contextEnd, jint dir, jint offset, jint cursorOpt) { 651 Paint* paint = reinterpret_cast<Paint*>(paintHandle); 652 const jchar* textArray = env->GetStringChars(text, NULL); 653 jint result = doTextRunCursor(env, paint, textArray, contextStart, 654 contextEnd - contextStart, dir, offset, cursorOpt); 655 env->ReleaseStringChars(text, textArray); 656 return result; 657 } 658 659 class GetTextFunctor { 660 public: 661 GetTextFunctor(const Layout& layout, SkPath* path, jfloat x, jfloat y, Paint* paint, 662 uint16_t* glyphs, SkPoint* pos) 663 : layout(layout), path(path), x(x), y(y), paint(paint), glyphs(glyphs), pos(pos) { 664 } 665 666 void operator()(size_t start, size_t end) { 667 for (size_t i = start; i < end; i++) { 668 glyphs[i] = layout.getGlyphId(i); 669 pos[i].fX = x + layout.getX(i); 670 pos[i].fY = y + layout.getY(i); 671 } 672 if (start == 0) { 673 paint->getPosTextPath(glyphs + start, (end - start) << 1, pos + start, path); 674 } else { 675 paint->getPosTextPath(glyphs + start, (end - start) << 1, pos + start, &tmpPath); 676 path->addPath(tmpPath); 677 } 678 } 679 private: 680 const Layout& layout; 681 SkPath* path; 682 jfloat x; 683 jfloat y; 684 Paint* paint; 685 uint16_t* glyphs; 686 SkPoint* pos; 687 SkPath tmpPath; 688 }; 689 690 static void getTextPath(JNIEnv* env, Paint* paint, TypefaceImpl* typeface, const jchar* text, 691 jint count, jint bidiFlags, jfloat x, jfloat y, SkPath* path) { 692 Layout layout; 693 MinikinUtils::doLayout(&layout, paint, bidiFlags, typeface, text, 0, count, count); 694 size_t nGlyphs = layout.nGlyphs(); 695 uint16_t* glyphs = new uint16_t[nGlyphs]; 696 SkPoint* pos = new SkPoint[nGlyphs]; 697 698 x += MinikinUtils::xOffsetForTextAlign(paint, layout); 699 Paint::Align align = paint->getTextAlign(); 700 paint->setTextAlign(Paint::kLeft_Align); 701 paint->setTextEncoding(Paint::kGlyphID_TextEncoding); 702 GetTextFunctor f(layout, path, x, y, paint, glyphs, pos); 703 MinikinUtils::forFontRun(layout, paint, f); 704 paint->setTextAlign(align); 705 delete[] glyphs; 706 delete[] pos; 707 } 708 709 static void getTextPath___C(JNIEnv* env, jobject clazz, jlong paintHandle, 710 jlong typefaceHandle, jint bidiFlags, 711 jcharArray text, jint index, jint count, jfloat x, jfloat y, jlong pathHandle) { 712 Paint* paint = reinterpret_cast<Paint*>(paintHandle); 713 TypefaceImpl* typeface = reinterpret_cast<TypefaceImpl*>(typefaceHandle); 714 SkPath* path = reinterpret_cast<SkPath*>(pathHandle); 715 const jchar* textArray = env->GetCharArrayElements(text, NULL); 716 getTextPath(env, paint, typeface, textArray + index, count, bidiFlags, x, y, path); 717 env->ReleaseCharArrayElements(text, const_cast<jchar*>(textArray), JNI_ABORT); 718 } 719 720 static void getTextPath__String(JNIEnv* env, jobject clazz, jlong paintHandle, 721 jlong typefaceHandle, jint bidiFlags, 722 jstring text, jint start, jint end, jfloat x, jfloat y, jlong pathHandle) { 723 Paint* paint = reinterpret_cast<Paint*>(paintHandle); 724 TypefaceImpl* typeface = reinterpret_cast<TypefaceImpl*>(typefaceHandle); 725 SkPath* path = reinterpret_cast<SkPath*>(pathHandle); 726 const jchar* textArray = env->GetStringChars(text, NULL); 727 getTextPath(env, paint, typeface, textArray + start, end - start, bidiFlags, x, y, path); 728 env->ReleaseStringChars(text, textArray); 729 } 730 731 static void setShadowLayer(JNIEnv* env, jobject clazz, jlong paintHandle, jfloat radius, 732 jfloat dx, jfloat dy, jint color) { 733 Paint* paint = reinterpret_cast<Paint*>(paintHandle); 734 if (radius <= 0) { 735 paint->setLooper(NULL); 736 } 737 else { 738 SkScalar sigma = android::uirenderer::Blur::convertRadiusToSigma(radius); 739 paint->setLooper(SkBlurDrawLooper::Create((SkColor)color, sigma, dx, dy))->unref(); 740 } 741 } 742 743 static jboolean hasShadowLayer(JNIEnv* env, jobject clazz, jlong paintHandle) { 744 Paint* paint = reinterpret_cast<Paint*>(paintHandle); 745 return paint->getLooper() && paint->getLooper()->asABlurShadow(NULL); 746 } 747 748 static int breakText(JNIEnv* env, const Paint& paint, TypefaceImpl* typeface, const jchar text[], 749 int count, float maxWidth, jint bidiFlags, jfloatArray jmeasured, 750 const bool forwardScan) { 751 size_t measuredCount = 0; 752 float measured = 0; 753 754 Layout layout; 755 MinikinUtils::doLayout(&layout, &paint, bidiFlags, typeface, text, 0, count, count); 756 float* advances = new float[count]; 757 layout.getAdvances(advances); 758 759 for (int i = 0; i < count; i++) { 760 // traverse in the given direction 761 int index = forwardScan ? i : (count - i - 1); 762 float width = advances[index]; 763 if (measured + width > maxWidth) { 764 break; 765 } 766 // properly handle clusters when scanning backwards 767 if (forwardScan || width != 0.0f) { 768 measuredCount = i + 1; 769 } 770 measured += width; 771 } 772 delete[] advances; 773 774 if (jmeasured && env->GetArrayLength(jmeasured) > 0) { 775 AutoJavaFloatArray autoMeasured(env, jmeasured, 1); 776 jfloat* array = autoMeasured.ptr(); 777 array[0] = measured; 778 } 779 return measuredCount; 780 } 781 782 static jint breakTextC(JNIEnv* env, jobject clazz, jlong paintHandle, jlong typefaceHandle, jcharArray jtext, 783 jint index, jint count, jfloat maxWidth, jint bidiFlags, jfloatArray jmeasuredWidth) { 784 NPE_CHECK_RETURN_ZERO(env, jtext); 785 786 Paint* paint = reinterpret_cast<Paint*>(paintHandle); 787 TypefaceImpl* typeface = reinterpret_cast<TypefaceImpl*>(typefaceHandle); 788 789 bool forwardTextDirection; 790 if (count < 0) { 791 forwardTextDirection = false; 792 count = -count; 793 } 794 else { 795 forwardTextDirection = true; 796 } 797 798 if ((index < 0) || (index + count > env->GetArrayLength(jtext))) { 799 doThrowAIOOBE(env); 800 return 0; 801 } 802 803 const jchar* text = env->GetCharArrayElements(jtext, NULL); 804 count = breakText(env, *paint, typeface, text + index, count, maxWidth, 805 bidiFlags, jmeasuredWidth, forwardTextDirection); 806 env->ReleaseCharArrayElements(jtext, const_cast<jchar*>(text), 807 JNI_ABORT); 808 return count; 809 } 810 811 static jint breakTextS(JNIEnv* env, jobject clazz, jlong paintHandle, jlong typefaceHandle, jstring jtext, 812 jboolean forwards, jfloat maxWidth, jint bidiFlags, jfloatArray jmeasuredWidth) { 813 NPE_CHECK_RETURN_ZERO(env, jtext); 814 815 Paint* paint = reinterpret_cast<Paint*>(paintHandle); 816 TypefaceImpl* typeface = reinterpret_cast<TypefaceImpl*>(typefaceHandle); 817 818 int count = env->GetStringLength(jtext); 819 const jchar* text = env->GetStringChars(jtext, NULL); 820 count = breakText(env, *paint, typeface, text, count, maxWidth, bidiFlags, jmeasuredWidth, forwards); 821 env->ReleaseStringChars(jtext, text); 822 return count; 823 } 824 825 static void doTextBounds(JNIEnv* env, const jchar* text, int count, jobject bounds, 826 const Paint& paint, TypefaceImpl* typeface, jint bidiFlags) { 827 SkRect r; 828 SkIRect ir; 829 830 Layout layout; 831 MinikinUtils::doLayout(&layout, &paint, bidiFlags, typeface, text, 0, count, count); 832 MinikinRect rect; 833 layout.getBounds(&rect); 834 r.fLeft = rect.mLeft; 835 r.fTop = rect.mTop; 836 r.fRight = rect.mRight; 837 r.fBottom = rect.mBottom; 838 r.roundOut(&ir); 839 GraphicsJNI::irect_to_jrect(ir, env, bounds); 840 } 841 842 static void getStringBounds(JNIEnv* env, jobject, jlong paintHandle, jlong typefaceHandle, 843 jstring text, jint start, jint end, jint bidiFlags, jobject bounds) { 844 const Paint* paint = reinterpret_cast<Paint*>(paintHandle);; 845 TypefaceImpl* typeface = reinterpret_cast<TypefaceImpl*>(typefaceHandle); 846 const jchar* textArray = env->GetStringChars(text, NULL); 847 doTextBounds(env, textArray + start, end - start, bounds, *paint, typeface, bidiFlags); 848 env->ReleaseStringChars(text, textArray); 849 } 850 851 static void getCharArrayBounds(JNIEnv* env, jobject, jlong paintHandle, jlong typefaceHandle, 852 jcharArray text, jint index, jint count, jint bidiFlags, jobject bounds) { 853 const Paint* paint = reinterpret_cast<Paint*>(paintHandle); 854 TypefaceImpl* typeface = reinterpret_cast<TypefaceImpl*>(typefaceHandle); 855 const jchar* textArray = env->GetCharArrayElements(text, NULL); 856 doTextBounds(env, textArray + index, count, bounds, *paint, typeface, bidiFlags); 857 env->ReleaseCharArrayElements(text, const_cast<jchar*>(textArray), 858 JNI_ABORT); 859 } 860 861 static jboolean layoutContainsNotdef(const Layout& layout) { 862 for (size_t i = 0; i < layout.nGlyphs(); i++) { 863 if (layout.getGlyphId(i) == 0) { 864 return true; 865 } 866 } 867 return false; 868 } 869 870 static jboolean hasGlyphVariation(const Paint* paint, TypefaceImpl* typeface, jint bidiFlags, 871 const jchar* chars, size_t size) { 872 // TODO: query font for whether character has variation selector; requires a corresponding 873 // function in Minikin. 874 return false; 875 } 876 877 static jboolean hasGlyph(JNIEnv *env, jclass, jlong paintHandle, jlong typefaceHandle, 878 jint bidiFlags, jstring string) { 879 const Paint* paint = reinterpret_cast<Paint*>(paintHandle); 880 TypefaceImpl* typeface = reinterpret_cast<TypefaceImpl*>(typefaceHandle); 881 ScopedStringChars str(env, string); 882 883 /* start by rejecting variation selectors (not supported yet) */ 884 size_t nChars = 0; 885 for (size_t i = 0; i < str.size(); i++) { 886 jchar c = str[i]; 887 if (0xDC00 <= c && c <= 0xDFFF) { 888 // invalid UTF-16, unpaired trailing surrogate 889 return false; 890 } else if (0xD800 <= c && c <= 0xDBFF) { 891 if (i + 1 == str.size()) { 892 // invalid UTF-16, unpaired leading surrogate at end of string 893 return false; 894 } 895 i++; 896 jchar c2 = str[i]; 897 if (!(0xDC00 <= c2 && c2 <= 0xDFFF)) { 898 // invalid UTF-16, unpaired leading surrogate 899 return false; 900 } 901 // UTF-16 encoding of range U+E0100..U+E01EF is DB40 DD00 .. DB40 DDEF 902 if (c == 0xDB40 && 0xDD00 <= c2 && c2 <= 0xDDEF) { 903 return hasGlyphVariation(paint, typeface, bidiFlags, str.get(), str.size()); 904 } 905 } else if (0xFE00 <= c && c <= 0xFE0F) { 906 return hasGlyphVariation(paint, typeface, bidiFlags, str.get(), str.size()); 907 } 908 nChars++; 909 } 910 Layout layout; 911 MinikinUtils::doLayout(&layout, paint, bidiFlags, typeface, str.get(), 0, str.size(), 912 str.size()); 913 size_t nGlyphs = layout.nGlyphs(); 914 if (nGlyphs != 1 && nChars > 1) { 915 // multiple-character input, and was not a ligature 916 // TODO: handle ZWJ/ZWNJ characters specially so we can detect certain ligatures 917 // in joining scripts, such as Arabic and Mongolian. 918 return false; 919 } 920 return nGlyphs > 0 && !layoutContainsNotdef(layout); 921 } 922 923 static jfloat doRunAdvance(const Paint* paint, TypefaceImpl* typeface, const jchar buf[], 924 jint start, jint count, jint bufSize, jboolean isRtl, jint offset) { 925 Layout layout; 926 int bidiFlags = isRtl ? kBidi_Force_RTL : kBidi_Force_LTR; 927 MinikinUtils::doLayout(&layout, paint, bidiFlags, typeface, buf, start, count, bufSize); 928 return getRunAdvance(layout, buf, start, count, offset); 929 } 930 931 static jfloat getRunAdvance___CIIIIZI_F(JNIEnv *env, jclass, jlong paintHandle, 932 jlong typefaceHandle, jcharArray text, jint start, jint end, jint contextStart, 933 jint contextEnd, jboolean isRtl, jint offset) { 934 const Paint* paint = reinterpret_cast<Paint*>(paintHandle); 935 TypefaceImpl* typeface = reinterpret_cast<TypefaceImpl*>(typefaceHandle); 936 jchar* textArray = (jchar*) env->GetPrimitiveArrayCritical(text, NULL); 937 jfloat result = doRunAdvance(paint, typeface, textArray + contextStart, 938 start - contextStart, end - start, contextEnd - contextStart, isRtl, 939 offset - contextStart); 940 env->ReleasePrimitiveArrayCritical(text, textArray, JNI_ABORT); 941 return result; 942 } 943 944 static jint doOffsetForAdvance(const Paint* paint, TypefaceImpl* typeface, const jchar buf[], 945 jint start, jint count, jint bufSize, jboolean isRtl, jfloat advance) { 946 Layout layout; 947 int bidiFlags = isRtl ? kBidi_Force_RTL : kBidi_Force_LTR; 948 MinikinUtils::doLayout(&layout, paint, bidiFlags, typeface, buf, start, count, bufSize); 949 return getOffsetForAdvance(layout, buf, start, count, advance); 950 } 951 static jint getOffsetForAdvance___CIIIIZF_I(JNIEnv *env, jclass, jlong paintHandle, 952 jlong typefaceHandle, jcharArray text, jint start, jint end, jint contextStart, 953 jint contextEnd, jboolean isRtl, jfloat advance) { 954 const Paint* paint = reinterpret_cast<Paint*>(paintHandle); 955 TypefaceImpl* typeface = reinterpret_cast<TypefaceImpl*>(typefaceHandle); 956 jchar* textArray = (jchar*) env->GetPrimitiveArrayCritical(text, NULL); 957 jint result = doOffsetForAdvance(paint, typeface, textArray + contextStart, 958 start - contextStart, end - start, contextEnd - contextStart, isRtl, advance); 959 result += contextStart; 960 env->ReleasePrimitiveArrayCritical(text, textArray, JNI_ABORT); 961 return result; 962 } 963 964}; 965 966static JNINativeMethod methods[] = { 967 {"finalizer", "(J)V", (void*) PaintGlue::finalizer}, 968 {"native_init","()J", (void*) PaintGlue::init}, 969 {"native_initWithPaint","(J)J", (void*) PaintGlue::initWithPaint}, 970 971 {"native_reset","!(J)V", (void*) PaintGlue::reset}, 972 {"native_set","!(JJ)V", (void*) PaintGlue::assign}, 973 {"getFlags","!()I", (void*) PaintGlue::getFlags}, 974 {"setFlags","!(I)V", (void*) PaintGlue::setFlags}, 975 {"getHinting","!()I", (void*) PaintGlue::getHinting}, 976 {"setHinting","!(I)V", (void*) PaintGlue::setHinting}, 977 {"setAntiAlias","!(Z)V", (void*) PaintGlue::setAntiAlias}, 978 {"setSubpixelText","!(Z)V", (void*) PaintGlue::setSubpixelText}, 979 {"setLinearText","!(Z)V", (void*) PaintGlue::setLinearText}, 980 {"setUnderlineText","!(Z)V", (void*) PaintGlue::setUnderlineText}, 981 {"setStrikeThruText","!(Z)V", (void*) PaintGlue::setStrikeThruText}, 982 {"setFakeBoldText","!(Z)V", (void*) PaintGlue::setFakeBoldText}, 983 {"setFilterBitmap","!(Z)V", (void*) PaintGlue::setFilterBitmap}, 984 {"setDither","!(Z)V", (void*) PaintGlue::setDither}, 985 {"native_getStyle","!(J)I", (void*) PaintGlue::getStyle}, 986 {"native_setStyle","!(JI)V", (void*) PaintGlue::setStyle}, 987 {"getColor","!()I", (void*) PaintGlue::getColor}, 988 {"setColor","!(I)V", (void*) PaintGlue::setColor}, 989 {"getAlpha","!()I", (void*) PaintGlue::getAlpha}, 990 {"setAlpha","!(I)V", (void*) PaintGlue::setAlpha}, 991 {"getStrokeWidth","!()F", (void*) PaintGlue::getStrokeWidth}, 992 {"setStrokeWidth","!(F)V", (void*) PaintGlue::setStrokeWidth}, 993 {"getStrokeMiter","!()F", (void*) PaintGlue::getStrokeMiter}, 994 {"setStrokeMiter","!(F)V", (void*) PaintGlue::setStrokeMiter}, 995 {"native_getStrokeCap","!(J)I", (void*) PaintGlue::getStrokeCap}, 996 {"native_setStrokeCap","!(JI)V", (void*) PaintGlue::setStrokeCap}, 997 {"native_getStrokeJoin","!(J)I", (void*) PaintGlue::getStrokeJoin}, 998 {"native_setStrokeJoin","!(JI)V", (void*) PaintGlue::setStrokeJoin}, 999 {"native_getFillPath","!(JJJ)Z", (void*) PaintGlue::getFillPath}, 1000 {"native_setShader","!(JJ)J", (void*) PaintGlue::setShader}, 1001 {"native_setColorFilter","!(JJ)J", (void*) PaintGlue::setColorFilter}, 1002 {"native_setXfermode","!(JJ)J", (void*) PaintGlue::setXfermode}, 1003 {"native_setPathEffect","!(JJ)J", (void*) PaintGlue::setPathEffect}, 1004 {"native_setMaskFilter","!(JJ)J", (void*) PaintGlue::setMaskFilter}, 1005 {"native_setTypeface","!(JJ)J", (void*) PaintGlue::setTypeface}, 1006 {"native_setRasterizer","!(JJ)J", (void*) PaintGlue::setRasterizer}, 1007 {"native_getTextAlign","!(J)I", (void*) PaintGlue::getTextAlign}, 1008 {"native_setTextAlign","!(JI)V", (void*) PaintGlue::setTextAlign}, 1009 {"native_setTextLocale","!(JLjava/lang/String;)V", (void*) PaintGlue::setTextLocale}, 1010 {"isElegantTextHeight","!()Z", (void*) PaintGlue::isElegantTextHeight}, 1011 {"setElegantTextHeight","!(Z)V", (void*) PaintGlue::setElegantTextHeight}, 1012 {"getTextSize","!()F", (void*) PaintGlue::getTextSize}, 1013 {"setTextSize","!(F)V", (void*) PaintGlue::setTextSize}, 1014 {"getTextScaleX","!()F", (void*) PaintGlue::getTextScaleX}, 1015 {"setTextScaleX","!(F)V", (void*) PaintGlue::setTextScaleX}, 1016 {"getTextSkewX","!()F", (void*) PaintGlue::getTextSkewX}, 1017 {"setTextSkewX","!(F)V", (void*) PaintGlue::setTextSkewX}, 1018 {"native_getLetterSpacing","!(J)F", (void*) PaintGlue::getLetterSpacing}, 1019 {"native_setLetterSpacing","!(JF)V", (void*) PaintGlue::setLetterSpacing}, 1020 {"native_setFontFeatureSettings","(JLjava/lang/String;)V", 1021 (void*) PaintGlue::setFontFeatureSettings}, 1022 {"native_getHyphenEdit", "!(J)I", (void*) PaintGlue::getHyphenEdit}, 1023 {"native_setHyphenEdit", "!(JI)V", (void*) PaintGlue::setHyphenEdit}, 1024 {"ascent","!()F", (void*) PaintGlue::ascent}, 1025 {"descent","!()F", (void*) PaintGlue::descent}, 1026 1027 {"getFontMetrics", "!(Landroid/graphics/Paint$FontMetrics;)F", 1028 (void*)PaintGlue::getFontMetrics}, 1029 {"getFontMetricsInt", "!(Landroid/graphics/Paint$FontMetricsInt;)I", 1030 (void*)PaintGlue::getFontMetricsInt}, 1031 1032 {"native_breakText","(JJ[CIIFI[F)I", (void*) PaintGlue::breakTextC}, 1033 {"native_breakText","(JJLjava/lang/String;ZFI[F)I", (void*) PaintGlue::breakTextS}, 1034 {"native_getTextAdvances","(JJ[CIIIII[FI)F", 1035 (void*) PaintGlue::getTextAdvances___CIIIII_FI}, 1036 {"native_getTextAdvances","(JJLjava/lang/String;IIIII[FI)F", 1037 (void*) PaintGlue::getTextAdvances__StringIIIII_FI}, 1038 1039 {"native_getTextRunCursor", "(J[CIIIII)I", (void*) PaintGlue::getTextRunCursor___C}, 1040 {"native_getTextRunCursor", "(JLjava/lang/String;IIIII)I", 1041 (void*) PaintGlue::getTextRunCursor__String}, 1042 {"native_getTextPath", "(JJI[CIIFFJ)V", (void*) PaintGlue::getTextPath___C}, 1043 {"native_getTextPath", "(JJILjava/lang/String;IIFFJ)V", (void*) PaintGlue::getTextPath__String}, 1044 {"nativeGetStringBounds", "(JJLjava/lang/String;IIILandroid/graphics/Rect;)V", 1045 (void*) PaintGlue::getStringBounds }, 1046 {"nativeGetCharArrayBounds", "(JJ[CIIILandroid/graphics/Rect;)V", 1047 (void*) PaintGlue::getCharArrayBounds }, 1048 {"native_hasGlyph", "(JJILjava/lang/String;)Z", (void*) PaintGlue::hasGlyph }, 1049 {"native_getRunAdvance", "(JJ[CIIIIZI)F", (void*) PaintGlue::getRunAdvance___CIIIIZI_F}, 1050 {"native_getOffsetForAdvance", "(JJ[CIIIIZF)I", 1051 (void*) PaintGlue::getOffsetForAdvance___CIIIIZF_I}, 1052 1053 {"native_setShadowLayer", "!(JFFFI)V", (void*)PaintGlue::setShadowLayer}, 1054 {"native_hasShadowLayer", "!(J)Z", (void*)PaintGlue::hasShadowLayer} 1055}; 1056 1057int register_android_graphics_Paint(JNIEnv* env) { 1058 gFontMetrics_class = FindClassOrDie(env, "android/graphics/Paint$FontMetrics"); 1059 gFontMetrics_class = MakeGlobalRefOrDie(env, gFontMetrics_class); 1060 1061 gFontMetrics_fieldID.top = GetFieldIDOrDie(env, gFontMetrics_class, "top", "F"); 1062 gFontMetrics_fieldID.ascent = GetFieldIDOrDie(env, gFontMetrics_class, "ascent", "F"); 1063 gFontMetrics_fieldID.descent = GetFieldIDOrDie(env, gFontMetrics_class, "descent", "F"); 1064 gFontMetrics_fieldID.bottom = GetFieldIDOrDie(env, gFontMetrics_class, "bottom", "F"); 1065 gFontMetrics_fieldID.leading = GetFieldIDOrDie(env, gFontMetrics_class, "leading", "F"); 1066 1067 gFontMetricsInt_class = FindClassOrDie(env, "android/graphics/Paint$FontMetricsInt"); 1068 gFontMetricsInt_class = MakeGlobalRefOrDie(env, gFontMetricsInt_class); 1069 1070 gFontMetricsInt_fieldID.top = GetFieldIDOrDie(env, gFontMetricsInt_class, "top", "I"); 1071 gFontMetricsInt_fieldID.ascent = GetFieldIDOrDie(env, gFontMetricsInt_class, "ascent", "I"); 1072 gFontMetricsInt_fieldID.descent = GetFieldIDOrDie(env, gFontMetricsInt_class, "descent", "I"); 1073 gFontMetricsInt_fieldID.bottom = GetFieldIDOrDie(env, gFontMetricsInt_class, "bottom", "I"); 1074 gFontMetricsInt_fieldID.leading = GetFieldIDOrDie(env, gFontMetricsInt_class, "leading", "I"); 1075 1076 gPaint_class = MakeGlobalRefOrDie(env, FindClassOrDie(env, "android/graphics/Paint")); 1077 gPaint_nativeInstanceID = GetFieldIDOrDie(env, gPaint_class, "mNativePaint", "J"); 1078 gPaint_nativeTypefaceID = GetFieldIDOrDie(env, gPaint_class, "mNativeTypeface", "J"); 1079 1080 return RegisterMethodsOrDie(env, "android/graphics/Paint", methods, NELEM(methods)); 1081} 1082 1083} 1084