Paint.cpp revision 2a1ce8a4e5258b6599cb8e86864eb816d24d69b4
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 <ScopedUtfChars.h> 26 27#include "SkBlurDrawLooper.h" 28#include "SkColorFilter.h" 29#include "SkMaskFilter.h" 30#include "SkRasterizer.h" 31#include "SkShader.h" 32#include "SkTypeface.h" 33#include "SkXfermode.h" 34#include "unicode/uloc.h" 35#include "unicode/ushape.h" 36#include "utils/Blur.h" 37 38#include <minikin/GraphemeBreak.h> 39#include "MinikinSkia.h" 40#include "MinikinUtils.h" 41#include "Paint.h" 42#include "TypefaceImpl.h" 43 44// temporary for debugging 45#include <Caches.h> 46#include <utils/Log.h> 47 48namespace android { 49 50struct JMetricsID { 51 jfieldID top; 52 jfieldID ascent; 53 jfieldID descent; 54 jfieldID bottom; 55 jfieldID leading; 56}; 57 58static jclass gFontMetrics_class; 59static JMetricsID gFontMetrics_fieldID; 60 61static jclass gFontMetricsInt_class; 62static JMetricsID gFontMetricsInt_fieldID; 63 64static jclass gPaint_class; 65static jfieldID gPaint_nativeInstanceID; 66static jfieldID gPaint_nativeTypefaceID; 67 68static void defaultSettingsForAndroid(Paint* paint) { 69 // GlyphID encoding is required because we are using Harfbuzz shaping 70 paint->setTextEncoding(Paint::kGlyphID_TextEncoding); 71} 72 73class PaintGlue { 74public: 75 enum MoveOpt { 76 AFTER, AT_OR_AFTER, BEFORE, AT_OR_BEFORE, AT 77 }; 78 79 static Paint* getNativePaint(JNIEnv* env, jobject paint) { 80 SkASSERT(env); 81 SkASSERT(paint); 82 SkASSERT(env->IsInstanceOf(paint, gPaint_class)); 83 jlong paintHandle = env->GetLongField(paint, gPaint_nativeInstanceID); 84 android::Paint* p = reinterpret_cast<android::Paint*>(paintHandle); 85 SkASSERT(p); 86 return p; 87 } 88 89 static TypefaceImpl* getNativeTypeface(JNIEnv* env, jobject paint) { 90 SkASSERT(env); 91 SkASSERT(paint); 92 SkASSERT(env->IsInstanceOf(paint, gPaint_class)); 93 jlong typefaceHandle = env->GetLongField(paint, gPaint_nativeTypefaceID); 94 android::TypefaceImpl* p = reinterpret_cast<android::TypefaceImpl*>(typefaceHandle); 95 return p; 96 } 97 98 static void finalizer(JNIEnv* env, jobject clazz, jlong objHandle) { 99 Paint* obj = reinterpret_cast<Paint*>(objHandle); 100 delete obj; 101 } 102 103 static jlong init(JNIEnv* env, jobject clazz) { 104 Paint* obj = new Paint(); 105 defaultSettingsForAndroid(obj); 106 return reinterpret_cast<jlong>(obj); 107 } 108 109 static jlong initWithPaint(JNIEnv* env, jobject clazz, jlong paintHandle) { 110 Paint* paint = reinterpret_cast<Paint*>(paintHandle); 111 Paint* obj = new Paint(*paint); 112 return reinterpret_cast<jlong>(obj); 113 } 114 115 static void reset(JNIEnv* env, jobject clazz, jlong objHandle) { 116 Paint* obj = reinterpret_cast<Paint*>(objHandle); 117 obj->reset(); 118 defaultSettingsForAndroid(obj); 119 } 120 121 static void assign(JNIEnv* env, jobject clazz, jlong dstPaintHandle, jlong srcPaintHandle) { 122 Paint* dst = reinterpret_cast<Paint*>(dstPaintHandle); 123 const Paint* src = reinterpret_cast<Paint*>(srcPaintHandle); 124 *dst = *src; 125 } 126 127 // Equivalent to the Java Paint's FILTER_BITMAP_FLAG. 128 static const uint32_t sFilterBitmapFlag = 0x02; 129 130 static jint getFlags(JNIEnv* env, jobject paint) { 131 NPE_CHECK_RETURN_ZERO(env, paint); 132 Paint* nativePaint = getNativePaint(env, paint); 133 uint32_t result = nativePaint->getFlags(); 134 result &= ~sFilterBitmapFlag; // Filtering no longer stored in this bit. Mask away. 135 if (nativePaint->getFilterQuality() != kNone_SkFilterQuality) { 136 result |= sFilterBitmapFlag; 137 } 138 return static_cast<jint>(result); 139 } 140 141 static void setFlags(JNIEnv* env, jobject paint, jint flags) { 142 NPE_CHECK_RETURN_VOID(env, paint); 143 Paint* nativePaint = getNativePaint(env, paint); 144 // Instead of modifying 0x02, change the filter level. 145 nativePaint->setFilterQuality(flags & sFilterBitmapFlag 146 ? kLow_SkFilterQuality 147 : kNone_SkFilterQuality); 148 // Don't pass through filter flag, which is no longer stored in paint's flags. 149 flags &= ~sFilterBitmapFlag; 150 // Use the existing value for 0x02. 151 const uint32_t existing0x02Flag = nativePaint->getFlags() & sFilterBitmapFlag; 152 flags |= existing0x02Flag; 153 nativePaint->setFlags(flags); 154 } 155 156 static jint getHinting(JNIEnv* env, jobject paint) { 157 NPE_CHECK_RETURN_ZERO(env, paint); 158 return getNativePaint(env, paint)->getHinting() 159 == Paint::kNo_Hinting ? 0 : 1; 160 } 161 162 static void setHinting(JNIEnv* env, jobject paint, jint mode) { 163 NPE_CHECK_RETURN_VOID(env, paint); 164 getNativePaint(env, paint)->setHinting( 165 mode == 0 ? Paint::kNo_Hinting : Paint::kNormal_Hinting); 166 } 167 168 static void setAntiAlias(JNIEnv* env, jobject paint, jboolean aa) { 169 NPE_CHECK_RETURN_VOID(env, paint); 170 getNativePaint(env, paint)->setAntiAlias(aa); 171 } 172 173 static void setLinearText(JNIEnv* env, jobject paint, jboolean linearText) { 174 NPE_CHECK_RETURN_VOID(env, paint); 175 getNativePaint(env, paint)->setLinearText(linearText); 176 } 177 178 static void setSubpixelText(JNIEnv* env, jobject paint, jboolean subpixelText) { 179 NPE_CHECK_RETURN_VOID(env, paint); 180 getNativePaint(env, paint)->setSubpixelText(subpixelText); 181 } 182 183 static void setUnderlineText(JNIEnv* env, jobject paint, jboolean underlineText) { 184 NPE_CHECK_RETURN_VOID(env, paint); 185 getNativePaint(env, paint)->setUnderlineText(underlineText); 186 } 187 188 static void setStrikeThruText(JNIEnv* env, jobject paint, jboolean strikeThruText) { 189 NPE_CHECK_RETURN_VOID(env, paint); 190 getNativePaint(env, paint)->setStrikeThruText(strikeThruText); 191 } 192 193 static void setFakeBoldText(JNIEnv* env, jobject paint, jboolean fakeBoldText) { 194 NPE_CHECK_RETURN_VOID(env, paint); 195 getNativePaint(env, paint)->setFakeBoldText(fakeBoldText); 196 } 197 198 static void setFilterBitmap(JNIEnv* env, jobject paint, jboolean filterBitmap) { 199 NPE_CHECK_RETURN_VOID(env, paint); 200 getNativePaint(env, paint)->setFilterQuality( 201 filterBitmap ? kLow_SkFilterQuality : kNone_SkFilterQuality); 202 } 203 204 static void setDither(JNIEnv* env, jobject paint, jboolean dither) { 205 NPE_CHECK_RETURN_VOID(env, paint); 206 getNativePaint(env, paint)->setDither(dither); 207 } 208 209 static jint getStyle(JNIEnv* env, jobject clazz,jlong objHandle) { 210 Paint* obj = reinterpret_cast<Paint*>(objHandle); 211 return static_cast<jint>(obj->getStyle()); 212 } 213 214 static void setStyle(JNIEnv* env, jobject clazz, jlong objHandle, jint styleHandle) { 215 Paint* obj = reinterpret_cast<Paint*>(objHandle); 216 Paint::Style style = static_cast<Paint::Style>(styleHandle); 217 obj->setStyle(style); 218 } 219 220 static jint getColor(JNIEnv* env, jobject paint) { 221 NPE_CHECK_RETURN_ZERO(env, paint); 222 int color; 223 color = getNativePaint(env, paint)->getColor(); 224 return static_cast<jint>(color); 225 } 226 227 static jint getAlpha(JNIEnv* env, jobject paint) { 228 NPE_CHECK_RETURN_ZERO(env, paint); 229 int alpha; 230 alpha = getNativePaint(env, paint)->getAlpha(); 231 return static_cast<jint>(alpha); 232 } 233 234 static void setColor(JNIEnv* env, jobject paint, jint color) { 235 NPE_CHECK_RETURN_VOID(env, paint); 236 getNativePaint(env, paint)->setColor(color); 237 } 238 239 static void setAlpha(JNIEnv* env, jobject paint, jint a) { 240 NPE_CHECK_RETURN_VOID(env, paint); 241 getNativePaint(env, paint)->setAlpha(a); 242 } 243 244 static jfloat getStrokeWidth(JNIEnv* env, jobject paint) { 245 NPE_CHECK_RETURN_ZERO(env, paint); 246 return SkScalarToFloat(getNativePaint(env, paint)->getStrokeWidth()); 247 } 248 249 static void setStrokeWidth(JNIEnv* env, jobject paint, jfloat width) { 250 NPE_CHECK_RETURN_VOID(env, paint); 251 getNativePaint(env, paint)->setStrokeWidth(width); 252 } 253 254 static jfloat getStrokeMiter(JNIEnv* env, jobject paint) { 255 NPE_CHECK_RETURN_ZERO(env, paint); 256 return SkScalarToFloat(getNativePaint(env, paint)->getStrokeMiter()); 257 } 258 259 static void setStrokeMiter(JNIEnv* env, jobject paint, jfloat miter) { 260 NPE_CHECK_RETURN_VOID(env, paint); 261 getNativePaint(env, paint)->setStrokeMiter(miter); 262 } 263 264 static jint getStrokeCap(JNIEnv* env, jobject clazz, jlong objHandle) { 265 Paint* obj = reinterpret_cast<Paint*>(objHandle); 266 return static_cast<jint>(obj->getStrokeCap()); 267 } 268 269 static void setStrokeCap(JNIEnv* env, jobject clazz, jlong objHandle, jint capHandle) { 270 Paint* obj = reinterpret_cast<Paint*>(objHandle); 271 Paint::Cap cap = static_cast<Paint::Cap>(capHandle); 272 obj->setStrokeCap(cap); 273 } 274 275 static jint getStrokeJoin(JNIEnv* env, jobject clazz, jlong objHandle) { 276 Paint* obj = reinterpret_cast<Paint*>(objHandle); 277 return static_cast<jint>(obj->getStrokeJoin()); 278 } 279 280 static void setStrokeJoin(JNIEnv* env, jobject clazz, jlong objHandle, jint joinHandle) { 281 Paint* obj = reinterpret_cast<Paint*>(objHandle); 282 Paint::Join join = (Paint::Join) joinHandle; 283 obj->setStrokeJoin(join); 284 } 285 286 static jboolean getFillPath(JNIEnv* env, jobject clazz, jlong objHandle, jlong srcHandle, jlong dstHandle) { 287 Paint* obj = reinterpret_cast<Paint*>(objHandle); 288 SkPath* src = reinterpret_cast<SkPath*>(srcHandle); 289 SkPath* dst = reinterpret_cast<SkPath*>(dstHandle); 290 return obj->getFillPath(*src, dst) ? JNI_TRUE : JNI_FALSE; 291 } 292 293 static jlong setShader(JNIEnv* env, jobject clazz, jlong objHandle, jlong shaderHandle) { 294 Paint* obj = reinterpret_cast<Paint*>(objHandle); 295 SkShader* shader = reinterpret_cast<SkShader*>(shaderHandle); 296 return reinterpret_cast<jlong>(obj->setShader(shader)); 297 } 298 299 static jlong setColorFilter(JNIEnv* env, jobject clazz, jlong objHandle, jlong filterHandle) { 300 Paint* obj = reinterpret_cast<Paint *>(objHandle); 301 SkColorFilter* filter = reinterpret_cast<SkColorFilter *>(filterHandle); 302 return reinterpret_cast<jlong>(obj->setColorFilter(filter)); 303 } 304 305 static jlong setXfermode(JNIEnv* env, jobject clazz, jlong objHandle, jlong xfermodeHandle) { 306 Paint* obj = reinterpret_cast<Paint*>(objHandle); 307 SkXfermode* xfermode = reinterpret_cast<SkXfermode*>(xfermodeHandle); 308 return reinterpret_cast<jlong>(obj->setXfermode(xfermode)); 309 } 310 311 static jlong setPathEffect(JNIEnv* env, jobject clazz, jlong objHandle, jlong effectHandle) { 312 Paint* obj = reinterpret_cast<Paint*>(objHandle); 313 SkPathEffect* effect = reinterpret_cast<SkPathEffect*>(effectHandle); 314 return reinterpret_cast<jlong>(obj->setPathEffect(effect)); 315 } 316 317 static jlong setMaskFilter(JNIEnv* env, jobject clazz, jlong objHandle, jlong maskfilterHandle) { 318 Paint* obj = reinterpret_cast<Paint*>(objHandle); 319 SkMaskFilter* maskfilter = reinterpret_cast<SkMaskFilter*>(maskfilterHandle); 320 return reinterpret_cast<jlong>(obj->setMaskFilter(maskfilter)); 321 } 322 323 static jlong setTypeface(JNIEnv* env, jobject clazz, jlong objHandle, jlong typefaceHandle) { 324 // TODO: in Paint refactoring, set typeface on android Paint, not Paint 325 return NULL; 326 } 327 328 static jlong setRasterizer(JNIEnv* env, jobject clazz, jlong objHandle, jlong rasterizerHandle) { 329 Paint* obj = reinterpret_cast<Paint*>(objHandle); 330 SkAutoTUnref<SkRasterizer> rasterizer(GraphicsJNI::refNativeRasterizer(rasterizerHandle)); 331 return reinterpret_cast<jlong>(obj->setRasterizer(rasterizer)); 332 } 333 334 static jint getTextAlign(JNIEnv* env, jobject clazz, jlong objHandle) { 335 Paint* obj = reinterpret_cast<Paint*>(objHandle); 336 return static_cast<jint>(obj->getTextAlign()); 337 } 338 339 static void setTextAlign(JNIEnv* env, jobject clazz, jlong objHandle, jint alignHandle) { 340 Paint* obj = reinterpret_cast<Paint*>(objHandle); 341 Paint::Align align = static_cast<Paint::Align>(alignHandle); 342 obj->setTextAlign(align); 343 } 344 345 // generate bcp47 identifier for the supplied locale 346 static void toLanguageTag(char* output, size_t outSize, 347 const char* locale) { 348 if (output == NULL || outSize <= 0) { 349 return; 350 } 351 if (locale == NULL) { 352 output[0] = '\0'; 353 return; 354 } 355 char canonicalChars[ULOC_FULLNAME_CAPACITY]; 356 UErrorCode uErr = U_ZERO_ERROR; 357 uloc_canonicalize(locale, canonicalChars, ULOC_FULLNAME_CAPACITY, 358 &uErr); 359 if (U_SUCCESS(uErr)) { 360 char likelyChars[ULOC_FULLNAME_CAPACITY]; 361 uErr = U_ZERO_ERROR; 362 uloc_addLikelySubtags(canonicalChars, likelyChars, 363 ULOC_FULLNAME_CAPACITY, &uErr); 364 if (U_SUCCESS(uErr)) { 365 uErr = U_ZERO_ERROR; 366 uloc_toLanguageTag(likelyChars, output, outSize, FALSE, &uErr); 367 if (U_SUCCESS(uErr)) { 368 return; 369 } else { 370 ALOGD("uloc_toLanguageTag(\"%s\") failed: %s", likelyChars, 371 u_errorName(uErr)); 372 } 373 } else { 374 ALOGD("uloc_addLikelySubtags(\"%s\") failed: %s", 375 canonicalChars, u_errorName(uErr)); 376 } 377 } else { 378 ALOGD("uloc_canonicalize(\"%s\") failed: %s", locale, 379 u_errorName(uErr)); 380 } 381 // unable to build a proper language identifier 382 output[0] = '\0'; 383 } 384 385 static void setTextLocale(JNIEnv* env, jobject clazz, jlong objHandle, jstring locale) { 386 Paint* obj = reinterpret_cast<Paint*>(objHandle); 387 ScopedUtfChars localeChars(env, locale); 388 char langTag[ULOC_FULLNAME_CAPACITY]; 389 toLanguageTag(langTag, ULOC_FULLNAME_CAPACITY, localeChars.c_str()); 390 391 obj->setTextLocale(langTag); 392 } 393 394 static jboolean isElegantTextHeight(JNIEnv* env, jobject paint) { 395 NPE_CHECK_RETURN_ZERO(env, paint); 396 Paint* obj = getNativePaint(env, paint); 397 return obj->getFontVariant() == VARIANT_ELEGANT; 398 } 399 400 static void setElegantTextHeight(JNIEnv* env, jobject paint, jboolean aa) { 401 NPE_CHECK_RETURN_VOID(env, paint); 402 Paint* obj = getNativePaint(env, paint); 403 obj->setFontVariant(aa ? VARIANT_ELEGANT : VARIANT_DEFAULT); 404 } 405 406 static jfloat getTextSize(JNIEnv* env, jobject paint) { 407 NPE_CHECK_RETURN_ZERO(env, paint); 408 return SkScalarToFloat(getNativePaint(env, paint)->getTextSize()); 409 } 410 411 static void setTextSize(JNIEnv* env, jobject paint, jfloat textSize) { 412 NPE_CHECK_RETURN_VOID(env, paint); 413 getNativePaint(env, paint)->setTextSize(textSize); 414 } 415 416 static jfloat getTextScaleX(JNIEnv* env, jobject paint) { 417 NPE_CHECK_RETURN_ZERO(env, paint); 418 return SkScalarToFloat(getNativePaint(env, paint)->getTextScaleX()); 419 } 420 421 static void setTextScaleX(JNIEnv* env, jobject paint, jfloat scaleX) { 422 NPE_CHECK_RETURN_VOID(env, paint); 423 getNativePaint(env, paint)->setTextScaleX(scaleX); 424 } 425 426 static jfloat getTextSkewX(JNIEnv* env, jobject paint) { 427 NPE_CHECK_RETURN_ZERO(env, paint); 428 return SkScalarToFloat(getNativePaint(env, paint)->getTextSkewX()); 429 } 430 431 static void setTextSkewX(JNIEnv* env, jobject paint, jfloat skewX) { 432 NPE_CHECK_RETURN_VOID(env, paint); 433 getNativePaint(env, paint)->setTextSkewX(skewX); 434 } 435 436 static jfloat getLetterSpacing(JNIEnv* env, jobject clazz, jlong paintHandle) { 437 Paint* paint = reinterpret_cast<Paint*>(paintHandle); 438 return paint->getLetterSpacing(); 439 } 440 441 static void setLetterSpacing(JNIEnv* env, jobject clazz, jlong paintHandle, jfloat letterSpacing) { 442 Paint* paint = reinterpret_cast<Paint*>(paintHandle); 443 paint->setLetterSpacing(letterSpacing); 444 } 445 446 static void setFontFeatureSettings(JNIEnv* env, jobject clazz, jlong paintHandle, jstring settings) { 447 Paint* paint = reinterpret_cast<Paint*>(paintHandle); 448 if (!settings) { 449 paint->setFontFeatureSettings(std::string()); 450 } else { 451 ScopedUtfChars settingsChars(env, settings); 452 paint->setFontFeatureSettings(std::string(settingsChars.c_str(), settingsChars.size())); 453 } 454 } 455 456 static jint getHyphenEdit(JNIEnv* env, jobject clazz, jlong paintHandle, jint hyphen) { 457 Paint* paint = reinterpret_cast<Paint*>(paintHandle); 458 return paint->getHyphenEdit(); 459 } 460 461 static void setHyphenEdit(JNIEnv* env, jobject clazz, jlong paintHandle, jint hyphen) { 462 Paint* paint = reinterpret_cast<Paint*>(paintHandle); 463 paint->setHyphenEdit((uint32_t)hyphen); 464 } 465 466 static SkScalar getMetricsInternal(JNIEnv* env, jobject jpaint, Paint::FontMetrics *metrics) { 467 const int kElegantTop = 2500; 468 const int kElegantBottom = -1000; 469 const int kElegantAscent = 1900; 470 const int kElegantDescent = -500; 471 const int kElegantLeading = 0; 472 Paint* paint = getNativePaint(env, jpaint); 473 TypefaceImpl* typeface = getNativeTypeface(env, jpaint); 474 typeface = TypefaceImpl_resolveDefault(typeface); 475 FakedFont baseFont = typeface->fFontCollection->baseFontFaked(typeface->fStyle); 476 float saveSkewX = paint->getTextSkewX(); 477 bool savefakeBold = paint->isFakeBoldText(); 478 MinikinFontSkia::populateSkPaint(paint, baseFont.font, baseFont.fakery); 479 SkScalar spacing = paint->getFontMetrics(metrics); 480 // The populateSkPaint call may have changed fake bold / text skew 481 // because we want to measure with those effects applied, so now 482 // restore the original settings. 483 paint->setTextSkewX(saveSkewX); 484 paint->setFakeBoldText(savefakeBold); 485 if (paint->getFontVariant() == VARIANT_ELEGANT) { 486 SkScalar size = paint->getTextSize(); 487 metrics->fTop = -size * kElegantTop / 2048; 488 metrics->fBottom = -size * kElegantBottom / 2048; 489 metrics->fAscent = -size * kElegantAscent / 2048; 490 metrics->fDescent = -size * kElegantDescent / 2048; 491 metrics->fLeading = size * kElegantLeading / 2048; 492 spacing = metrics->fDescent - metrics->fAscent + metrics->fLeading; 493 } 494 return spacing; 495 } 496 497 static jfloat ascent(JNIEnv* env, jobject paint) { 498 NPE_CHECK_RETURN_ZERO(env, paint); 499 Paint::FontMetrics metrics; 500 getMetricsInternal(env, paint, &metrics); 501 return SkScalarToFloat(metrics.fAscent); 502 } 503 504 static jfloat descent(JNIEnv* env, jobject paint) { 505 NPE_CHECK_RETURN_ZERO(env, paint); 506 Paint::FontMetrics metrics; 507 getMetricsInternal(env, paint, &metrics); 508 return SkScalarToFloat(metrics.fDescent); 509 } 510 511 static jfloat getFontMetrics(JNIEnv* env, jobject paint, jobject metricsObj) { 512 NPE_CHECK_RETURN_ZERO(env, paint); 513 Paint::FontMetrics metrics; 514 SkScalar spacing = getMetricsInternal(env, paint, &metrics); 515 516 if (metricsObj) { 517 SkASSERT(env->IsInstanceOf(metricsObj, gFontMetrics_class)); 518 env->SetFloatField(metricsObj, gFontMetrics_fieldID.top, SkScalarToFloat(metrics.fTop)); 519 env->SetFloatField(metricsObj, gFontMetrics_fieldID.ascent, SkScalarToFloat(metrics.fAscent)); 520 env->SetFloatField(metricsObj, gFontMetrics_fieldID.descent, SkScalarToFloat(metrics.fDescent)); 521 env->SetFloatField(metricsObj, gFontMetrics_fieldID.bottom, SkScalarToFloat(metrics.fBottom)); 522 env->SetFloatField(metricsObj, gFontMetrics_fieldID.leading, SkScalarToFloat(metrics.fLeading)); 523 } 524 return SkScalarToFloat(spacing); 525 } 526 527 static jint getFontMetricsInt(JNIEnv* env, jobject paint, jobject metricsObj) { 528 NPE_CHECK_RETURN_ZERO(env, paint); 529 Paint::FontMetrics metrics; 530 531 getMetricsInternal(env, paint, &metrics); 532 int ascent = SkScalarRoundToInt(metrics.fAscent); 533 int descent = SkScalarRoundToInt(metrics.fDescent); 534 int leading = SkScalarRoundToInt(metrics.fLeading); 535 536 if (metricsObj) { 537 SkASSERT(env->IsInstanceOf(metricsObj, gFontMetricsInt_class)); 538 env->SetIntField(metricsObj, gFontMetricsInt_fieldID.top, SkScalarFloorToInt(metrics.fTop)); 539 env->SetIntField(metricsObj, gFontMetricsInt_fieldID.ascent, ascent); 540 env->SetIntField(metricsObj, gFontMetricsInt_fieldID.descent, descent); 541 env->SetIntField(metricsObj, gFontMetricsInt_fieldID.bottom, SkScalarCeilToInt(metrics.fBottom)); 542 env->SetIntField(metricsObj, gFontMetricsInt_fieldID.leading, leading); 543 } 544 return descent - ascent + leading; 545 } 546 547 static jfloat measureText_CIII(JNIEnv* env, jobject jpaint, jcharArray text, jint index, jint count, 548 jint bidiFlags) { 549 NPE_CHECK_RETURN_ZERO(env, jpaint); 550 NPE_CHECK_RETURN_ZERO(env, text); 551 552 size_t textLength = env->GetArrayLength(text); 553 if ((index | count) < 0 || (size_t)(index + count) > textLength) { 554 doThrowAIOOBE(env); 555 return 0; 556 } 557 if (count == 0) { 558 return 0; 559 } 560 561 Paint* paint = getNativePaint(env, jpaint); 562 const jchar* textArray = env->GetCharArrayElements(text, NULL); 563 jfloat result = 0; 564 565 Layout layout; 566 TypefaceImpl* typeface = getNativeTypeface(env, jpaint); 567 MinikinUtils::doLayout(&layout, paint, bidiFlags, typeface, textArray, index, count, textLength); 568 result = layout.getAdvance(); 569 env->ReleaseCharArrayElements(text, const_cast<jchar*>(textArray), JNI_ABORT); 570 return result; 571 } 572 573 static jfloat measureText_StringIII(JNIEnv* env, jobject jpaint, jstring text, jint start, jint end, 574 jint bidiFlags) { 575 NPE_CHECK_RETURN_ZERO(env, jpaint); 576 NPE_CHECK_RETURN_ZERO(env, text); 577 578 size_t textLength = env->GetStringLength(text); 579 int count = end - start; 580 if ((start | count) < 0 || (size_t)end > textLength) { 581 doThrowAIOOBE(env); 582 return 0; 583 } 584 if (count == 0) { 585 return 0; 586 } 587 588 const jchar* textArray = env->GetStringChars(text, NULL); 589 Paint* paint = getNativePaint(env, jpaint); 590 jfloat width = 0; 591 592 Layout layout; 593 TypefaceImpl* typeface = getNativeTypeface(env, jpaint); 594 MinikinUtils::doLayout(&layout, paint, bidiFlags, typeface, textArray, start, count, textLength); 595 width = layout.getAdvance(); 596 597 env->ReleaseStringChars(text, textArray); 598 return width; 599 } 600 601 static jfloat measureText_StringI(JNIEnv* env, jobject jpaint, jstring text, jint bidiFlags) { 602 NPE_CHECK_RETURN_ZERO(env, jpaint); 603 NPE_CHECK_RETURN_ZERO(env, text); 604 605 size_t textLength = env->GetStringLength(text); 606 if (textLength == 0) { 607 return 0; 608 } 609 610 const jchar* textArray = env->GetStringChars(text, NULL); 611 Paint* paint = getNativePaint(env, jpaint); 612 jfloat width = 0; 613 614 Layout layout; 615 TypefaceImpl* typeface = getNativeTypeface(env, jpaint); 616 MinikinUtils::doLayout(&layout, paint, bidiFlags, typeface, textArray, 0, textLength, textLength); 617 width = layout.getAdvance(); 618 619 env->ReleaseStringChars(text, textArray); 620 return width; 621 } 622 623 static int dotextwidths(JNIEnv* env, Paint* paint, TypefaceImpl* typeface, const jchar text[], int count, 624 jfloatArray widths, jint bidiFlags) { 625 NPE_CHECK_RETURN_ZERO(env, paint); 626 NPE_CHECK_RETURN_ZERO(env, text); 627 628 if (count < 0 || !widths) { 629 doThrowAIOOBE(env); 630 return 0; 631 } 632 if (count == 0) { 633 return 0; 634 } 635 size_t widthsLength = env->GetArrayLength(widths); 636 if ((size_t)count > widthsLength) { 637 doThrowAIOOBE(env); 638 return 0; 639 } 640 641 AutoJavaFloatArray autoWidths(env, widths, count); 642 jfloat* widthsArray = autoWidths.ptr(); 643 644 Layout layout; 645 MinikinUtils::doLayout(&layout, paint, bidiFlags, typeface, text, 0, count, count); 646 layout.getAdvances(widthsArray); 647 648 return count; 649 } 650 651 static jint getTextWidths___CIII_F(JNIEnv* env, jobject clazz, jlong paintHandle, jlong typefaceHandle, jcharArray text, 652 jint index, jint count, jint bidiFlags, jfloatArray widths) { 653 Paint* paint = reinterpret_cast<Paint*>(paintHandle); 654 TypefaceImpl* typeface = reinterpret_cast<TypefaceImpl*>(typefaceHandle); 655 const jchar* textArray = env->GetCharArrayElements(text, NULL); 656 count = dotextwidths(env, paint, typeface, textArray + index, count, widths, bidiFlags); 657 env->ReleaseCharArrayElements(text, const_cast<jchar*>(textArray), 658 JNI_ABORT); 659 return count; 660 } 661 662 static jint getTextWidths__StringIII_F(JNIEnv* env, jobject clazz, jlong paintHandle, jlong typefaceHandle, jstring text, 663 jint start, jint end, jint bidiFlags, jfloatArray widths) { 664 Paint* paint = reinterpret_cast<Paint*>(paintHandle); 665 TypefaceImpl* typeface = reinterpret_cast<TypefaceImpl*>(typefaceHandle); 666 const jchar* textArray = env->GetStringChars(text, NULL); 667 int count = dotextwidths(env, paint, typeface, textArray + start, end - start, widths, bidiFlags); 668 env->ReleaseStringChars(text, textArray); 669 return count; 670 } 671 672 static jfloat doTextRunAdvances(JNIEnv *env, Paint *paint, TypefaceImpl* typeface, const jchar *text, 673 jint start, jint count, jint contextCount, jboolean isRtl, 674 jfloatArray advances, jint advancesIndex) { 675 NPE_CHECK_RETURN_ZERO(env, paint); 676 NPE_CHECK_RETURN_ZERO(env, text); 677 678 if ((start | count | contextCount | advancesIndex) < 0 || contextCount < count) { 679 doThrowAIOOBE(env); 680 return 0; 681 } 682 if (count == 0) { 683 return 0; 684 } 685 if (advances) { 686 size_t advancesLength = env->GetArrayLength(advances); 687 if ((size_t)count > advancesLength) { 688 doThrowAIOOBE(env); 689 return 0; 690 } 691 } 692 jfloat* advancesArray = new jfloat[count]; 693 jfloat totalAdvance = 0; 694 695 int bidiFlags = isRtl ? kBidi_Force_RTL : kBidi_Force_LTR; 696 697 Layout layout; 698 MinikinUtils::doLayout(&layout, paint, bidiFlags, typeface, text, start, count, contextCount); 699 layout.getAdvances(advancesArray); 700 totalAdvance = layout.getAdvance(); 701 702 if (advances != NULL) { 703 env->SetFloatArrayRegion(advances, advancesIndex, count, advancesArray); 704 } 705 delete [] advancesArray; 706 return totalAdvance; 707 } 708 709 static jfloat getTextRunAdvances___CIIIIZ_FI(JNIEnv* env, jobject clazz, jlong paintHandle, 710 jlong typefaceHandle, 711 jcharArray text, jint index, jint count, jint contextIndex, jint contextCount, 712 jboolean isRtl, jfloatArray advances, jint advancesIndex) { 713 Paint* paint = reinterpret_cast<Paint*>(paintHandle); 714 TypefaceImpl* typeface = reinterpret_cast<TypefaceImpl*>(typefaceHandle); 715 jchar* textArray = env->GetCharArrayElements(text, NULL); 716 jfloat result = doTextRunAdvances(env, paint, typeface, textArray + contextIndex, 717 index - contextIndex, count, contextCount, isRtl, advances, advancesIndex); 718 env->ReleaseCharArrayElements(text, textArray, JNI_ABORT); 719 return result; 720 } 721 722 static jfloat getTextRunAdvances__StringIIIIZ_FI(JNIEnv* env, jobject clazz, jlong paintHandle, 723 jlong typefaceHandle, 724 jstring text, jint start, jint end, jint contextStart, jint contextEnd, jboolean isRtl, 725 jfloatArray advances, jint advancesIndex) { 726 Paint* paint = reinterpret_cast<Paint*>(paintHandle); 727 TypefaceImpl* typeface = reinterpret_cast<TypefaceImpl*>(typefaceHandle); 728 const jchar* textArray = env->GetStringChars(text, NULL); 729 jfloat result = doTextRunAdvances(env, paint, typeface, textArray + contextStart, 730 start - contextStart, end - start, contextEnd - contextStart, isRtl, 731 advances, advancesIndex); 732 env->ReleaseStringChars(text, textArray); 733 return result; 734 } 735 736 static jint doTextRunCursor(JNIEnv *env, Paint* paint, const jchar *text, jint start, 737 jint count, jint flags, jint offset, jint opt) { 738 GraphemeBreak::MoveOpt moveOpt = GraphemeBreak::MoveOpt(opt); 739 size_t result = GraphemeBreak::getTextRunCursor(text, start, count, offset, moveOpt); 740 return static_cast<jint>(result); 741 } 742 743 static jint getTextRunCursor___C(JNIEnv* env, jobject clazz, jlong paintHandle, jcharArray text, 744 jint contextStart, jint contextCount, jint dir, jint offset, jint cursorOpt) { 745 Paint* paint = reinterpret_cast<Paint*>(paintHandle); 746 jchar* textArray = env->GetCharArrayElements(text, NULL); 747 jint result = doTextRunCursor(env, paint, textArray, contextStart, contextCount, dir, 748 offset, cursorOpt); 749 env->ReleaseCharArrayElements(text, textArray, JNI_ABORT); 750 return result; 751 } 752 753 static jint getTextRunCursor__String(JNIEnv* env, jobject clazz, jlong paintHandle, jstring text, 754 jint contextStart, jint contextEnd, jint dir, jint offset, jint cursorOpt) { 755 Paint* paint = reinterpret_cast<Paint*>(paintHandle); 756 const jchar* textArray = env->GetStringChars(text, NULL); 757 jint result = doTextRunCursor(env, paint, textArray, contextStart, 758 contextEnd - contextStart, dir, offset, cursorOpt); 759 env->ReleaseStringChars(text, textArray); 760 return result; 761 } 762 763 class GetTextFunctor { 764 public: 765 GetTextFunctor(const Layout& layout, SkPath* path, jfloat x, jfloat y, Paint* paint, 766 uint16_t* glyphs, SkPoint* pos) 767 : layout(layout), path(path), x(x), y(y), paint(paint), glyphs(glyphs), pos(pos) { 768 } 769 770 void operator()(size_t start, size_t end) { 771 for (size_t i = start; i < end; i++) { 772 glyphs[i] = layout.getGlyphId(i); 773 pos[i].fX = x + layout.getX(i); 774 pos[i].fY = y + layout.getY(i); 775 } 776 if (start == 0) { 777 paint->getPosTextPath(glyphs + start, (end - start) << 1, pos + start, path); 778 } else { 779 paint->getPosTextPath(glyphs + start, (end - start) << 1, pos + start, &tmpPath); 780 path->addPath(tmpPath); 781 } 782 } 783 private: 784 const Layout& layout; 785 SkPath* path; 786 jfloat x; 787 jfloat y; 788 Paint* paint; 789 uint16_t* glyphs; 790 SkPoint* pos; 791 SkPath tmpPath; 792 }; 793 794 static void getTextPath(JNIEnv* env, Paint* paint, TypefaceImpl* typeface, const jchar* text, 795 jint count, jint bidiFlags, jfloat x, jfloat y, SkPath* path) { 796 Layout layout; 797 MinikinUtils::doLayout(&layout, paint, bidiFlags, typeface, text, 0, count, count); 798 size_t nGlyphs = layout.nGlyphs(); 799 uint16_t* glyphs = new uint16_t[nGlyphs]; 800 SkPoint* pos = new SkPoint[nGlyphs]; 801 802 x += MinikinUtils::xOffsetForTextAlign(paint, layout); 803 Paint::Align align = paint->getTextAlign(); 804 paint->setTextAlign(Paint::kLeft_Align); 805 paint->setTextEncoding(Paint::kGlyphID_TextEncoding); 806 GetTextFunctor f(layout, path, x, y, paint, glyphs, pos); 807 MinikinUtils::forFontRun(layout, paint, f); 808 paint->setTextAlign(align); 809 delete[] glyphs; 810 delete[] pos; 811 } 812 813 static void getTextPath___C(JNIEnv* env, jobject clazz, jlong paintHandle, 814 jlong typefaceHandle, jint bidiFlags, 815 jcharArray text, jint index, jint count, jfloat x, jfloat y, jlong pathHandle) { 816 Paint* paint = reinterpret_cast<Paint*>(paintHandle); 817 TypefaceImpl* typeface = reinterpret_cast<TypefaceImpl*>(typefaceHandle); 818 SkPath* path = reinterpret_cast<SkPath*>(pathHandle); 819 const jchar* textArray = env->GetCharArrayElements(text, NULL); 820 getTextPath(env, paint, typeface, textArray + index, count, bidiFlags, x, y, path); 821 env->ReleaseCharArrayElements(text, const_cast<jchar*>(textArray), JNI_ABORT); 822 } 823 824 static void getTextPath__String(JNIEnv* env, jobject clazz, jlong paintHandle, 825 jlong typefaceHandle, jint bidiFlags, 826 jstring text, jint start, jint end, jfloat x, jfloat y, jlong pathHandle) { 827 Paint* paint = reinterpret_cast<Paint*>(paintHandle); 828 TypefaceImpl* typeface = reinterpret_cast<TypefaceImpl*>(typefaceHandle); 829 SkPath* path = reinterpret_cast<SkPath*>(pathHandle); 830 const jchar* textArray = env->GetStringChars(text, NULL); 831 getTextPath(env, paint, typeface, textArray + start, end - start, bidiFlags, x, y, path); 832 env->ReleaseStringChars(text, textArray); 833 } 834 835 static void setShadowLayer(JNIEnv* env, jobject clazz, jlong paintHandle, jfloat radius, 836 jfloat dx, jfloat dy, jint color) { 837 Paint* paint = reinterpret_cast<Paint*>(paintHandle); 838 if (radius <= 0) { 839 paint->setLooper(NULL); 840 } 841 else { 842 SkScalar sigma = android::uirenderer::Blur::convertRadiusToSigma(radius); 843 paint->setLooper(SkBlurDrawLooper::Create((SkColor)color, sigma, dx, dy))->unref(); 844 } 845 } 846 847 static jboolean hasShadowLayer(JNIEnv* env, jobject clazz, jlong paintHandle) { 848 Paint* paint = reinterpret_cast<Paint*>(paintHandle); 849 return paint->getLooper() && paint->getLooper()->asABlurShadow(NULL); 850 } 851 852 static int breakText(JNIEnv* env, const Paint& paint, TypefaceImpl* typeface, const jchar text[], 853 int count, float maxWidth, jint bidiFlags, jfloatArray jmeasured, 854 const bool forwardScan) { 855 size_t measuredCount = 0; 856 float measured = 0; 857 858 Layout layout; 859 MinikinUtils::doLayout(&layout, &paint, bidiFlags, typeface, text, 0, count, count); 860 float* advances = new float[count]; 861 layout.getAdvances(advances); 862 863 for (int i = 0; i < count; i++) { 864 // traverse in the given direction 865 int index = forwardScan ? i : (count - i - 1); 866 float width = advances[index]; 867 if (measured + width > maxWidth) { 868 break; 869 } 870 // properly handle clusters when scanning backwards 871 if (forwardScan || width != 0.0f) { 872 measuredCount = i + 1; 873 } 874 measured += width; 875 } 876 delete[] advances; 877 878 if (jmeasured && env->GetArrayLength(jmeasured) > 0) { 879 AutoJavaFloatArray autoMeasured(env, jmeasured, 1); 880 jfloat* array = autoMeasured.ptr(); 881 array[0] = measured; 882 } 883 return measuredCount; 884 } 885 886 static jint breakTextC(JNIEnv* env, jobject clazz, jlong paintHandle, jlong typefaceHandle, jcharArray jtext, 887 jint index, jint count, jfloat maxWidth, jint bidiFlags, jfloatArray jmeasuredWidth) { 888 NPE_CHECK_RETURN_ZERO(env, jtext); 889 890 Paint* paint = reinterpret_cast<Paint*>(paintHandle); 891 TypefaceImpl* typeface = reinterpret_cast<TypefaceImpl*>(typefaceHandle); 892 893 bool forwardTextDirection; 894 if (count < 0) { 895 forwardTextDirection = false; 896 count = -count; 897 } 898 else { 899 forwardTextDirection = true; 900 } 901 902 if ((index < 0) || (index + count > env->GetArrayLength(jtext))) { 903 doThrowAIOOBE(env); 904 return 0; 905 } 906 907 const jchar* text = env->GetCharArrayElements(jtext, NULL); 908 count = breakText(env, *paint, typeface, text + index, count, maxWidth, 909 bidiFlags, jmeasuredWidth, forwardTextDirection); 910 env->ReleaseCharArrayElements(jtext, const_cast<jchar*>(text), 911 JNI_ABORT); 912 return count; 913 } 914 915 static jint breakTextS(JNIEnv* env, jobject clazz, jlong paintHandle, jlong typefaceHandle, jstring jtext, 916 jboolean forwards, jfloat maxWidth, jint bidiFlags, jfloatArray jmeasuredWidth) { 917 NPE_CHECK_RETURN_ZERO(env, jtext); 918 919 Paint* paint = reinterpret_cast<Paint*>(paintHandle); 920 TypefaceImpl* typeface = reinterpret_cast<TypefaceImpl*>(typefaceHandle); 921 922 int count = env->GetStringLength(jtext); 923 const jchar* text = env->GetStringChars(jtext, NULL); 924 count = breakText(env, *paint, typeface, text, count, maxWidth, bidiFlags, jmeasuredWidth, forwards); 925 env->ReleaseStringChars(jtext, text); 926 return count; 927 } 928 929 static void doTextBounds(JNIEnv* env, const jchar* text, int count, jobject bounds, 930 const Paint& paint, TypefaceImpl* typeface, jint bidiFlags) { 931 SkRect r; 932 SkIRect ir; 933 934 Layout layout; 935 MinikinUtils::doLayout(&layout, &paint, bidiFlags, typeface, text, 0, count, count); 936 MinikinRect rect; 937 layout.getBounds(&rect); 938 r.fLeft = rect.mLeft; 939 r.fTop = rect.mTop; 940 r.fRight = rect.mRight; 941 r.fBottom = rect.mBottom; 942 r.roundOut(&ir); 943 GraphicsJNI::irect_to_jrect(ir, env, bounds); 944 } 945 946 static void getStringBounds(JNIEnv* env, jobject, jlong paintHandle, jlong typefaceHandle, 947 jstring text, jint start, jint end, jint bidiFlags, jobject bounds) { 948 const Paint* paint = reinterpret_cast<Paint*>(paintHandle);; 949 TypefaceImpl* typeface = reinterpret_cast<TypefaceImpl*>(typefaceHandle); 950 const jchar* textArray = env->GetStringChars(text, NULL); 951 doTextBounds(env, textArray + start, end - start, bounds, *paint, typeface, bidiFlags); 952 env->ReleaseStringChars(text, textArray); 953 } 954 955 static void getCharArrayBounds(JNIEnv* env, jobject, jlong paintHandle, jlong typefaceHandle, 956 jcharArray text, jint index, jint count, jint bidiFlags, jobject bounds) { 957 const Paint* paint = reinterpret_cast<Paint*>(paintHandle); 958 TypefaceImpl* typeface = reinterpret_cast<TypefaceImpl*>(typefaceHandle); 959 const jchar* textArray = env->GetCharArrayElements(text, NULL); 960 doTextBounds(env, textArray + index, count, bounds, *paint, typeface, bidiFlags); 961 env->ReleaseCharArrayElements(text, const_cast<jchar*>(textArray), 962 JNI_ABORT); 963 } 964 965}; 966 967static JNINativeMethod methods[] = { 968 {"finalizer", "(J)V", (void*) PaintGlue::finalizer}, 969 {"native_init","()J", (void*) PaintGlue::init}, 970 {"native_initWithPaint","(J)J", (void*) PaintGlue::initWithPaint}, 971 972 {"native_reset","!(J)V", (void*) PaintGlue::reset}, 973 {"native_set","!(JJ)V", (void*) PaintGlue::assign}, 974 {"getFlags","!()I", (void*) PaintGlue::getFlags}, 975 {"setFlags","!(I)V", (void*) PaintGlue::setFlags}, 976 {"getHinting","!()I", (void*) PaintGlue::getHinting}, 977 {"setHinting","!(I)V", (void*) PaintGlue::setHinting}, 978 {"setAntiAlias","!(Z)V", (void*) PaintGlue::setAntiAlias}, 979 {"setSubpixelText","!(Z)V", (void*) PaintGlue::setSubpixelText}, 980 {"setLinearText","!(Z)V", (void*) PaintGlue::setLinearText}, 981 {"setUnderlineText","!(Z)V", (void*) PaintGlue::setUnderlineText}, 982 {"setStrikeThruText","!(Z)V", (void*) PaintGlue::setStrikeThruText}, 983 {"setFakeBoldText","!(Z)V", (void*) PaintGlue::setFakeBoldText}, 984 {"setFilterBitmap","!(Z)V", (void*) PaintGlue::setFilterBitmap}, 985 {"setDither","!(Z)V", (void*) PaintGlue::setDither}, 986 {"native_getStyle","!(J)I", (void*) PaintGlue::getStyle}, 987 {"native_setStyle","!(JI)V", (void*) PaintGlue::setStyle}, 988 {"getColor","!()I", (void*) PaintGlue::getColor}, 989 {"setColor","!(I)V", (void*) PaintGlue::setColor}, 990 {"getAlpha","!()I", (void*) PaintGlue::getAlpha}, 991 {"setAlpha","!(I)V", (void*) PaintGlue::setAlpha}, 992 {"getStrokeWidth","!()F", (void*) PaintGlue::getStrokeWidth}, 993 {"setStrokeWidth","!(F)V", (void*) PaintGlue::setStrokeWidth}, 994 {"getStrokeMiter","!()F", (void*) PaintGlue::getStrokeMiter}, 995 {"setStrokeMiter","!(F)V", (void*) PaintGlue::setStrokeMiter}, 996 {"native_getStrokeCap","!(J)I", (void*) PaintGlue::getStrokeCap}, 997 {"native_setStrokeCap","!(JI)V", (void*) PaintGlue::setStrokeCap}, 998 {"native_getStrokeJoin","!(J)I", (void*) PaintGlue::getStrokeJoin}, 999 {"native_setStrokeJoin","!(JI)V", (void*) PaintGlue::setStrokeJoin}, 1000 {"native_getFillPath","!(JJJ)Z", (void*) PaintGlue::getFillPath}, 1001 {"native_setShader","!(JJ)J", (void*) PaintGlue::setShader}, 1002 {"native_setColorFilter","!(JJ)J", (void*) PaintGlue::setColorFilter}, 1003 {"native_setXfermode","!(JJ)J", (void*) PaintGlue::setXfermode}, 1004 {"native_setPathEffect","!(JJ)J", (void*) PaintGlue::setPathEffect}, 1005 {"native_setMaskFilter","!(JJ)J", (void*) PaintGlue::setMaskFilter}, 1006 {"native_setTypeface","!(JJ)J", (void*) PaintGlue::setTypeface}, 1007 {"native_setRasterizer","!(JJ)J", (void*) PaintGlue::setRasterizer}, 1008 {"native_getTextAlign","!(J)I", (void*) PaintGlue::getTextAlign}, 1009 {"native_setTextAlign","!(JI)V", (void*) PaintGlue::setTextAlign}, 1010 {"native_setTextLocale","!(JLjava/lang/String;)V", (void*) PaintGlue::setTextLocale}, 1011 {"isElegantTextHeight","!()Z", (void*) PaintGlue::isElegantTextHeight}, 1012 {"setElegantTextHeight","!(Z)V", (void*) PaintGlue::setElegantTextHeight}, 1013 {"getTextSize","!()F", (void*) PaintGlue::getTextSize}, 1014 {"setTextSize","!(F)V", (void*) PaintGlue::setTextSize}, 1015 {"getTextScaleX","!()F", (void*) PaintGlue::getTextScaleX}, 1016 {"setTextScaleX","!(F)V", (void*) PaintGlue::setTextScaleX}, 1017 {"getTextSkewX","!()F", (void*) PaintGlue::getTextSkewX}, 1018 {"setTextSkewX","!(F)V", (void*) PaintGlue::setTextSkewX}, 1019 {"native_getLetterSpacing","!(J)F", (void*) PaintGlue::getLetterSpacing}, 1020 {"native_setLetterSpacing","!(JF)V", (void*) PaintGlue::setLetterSpacing}, 1021 {"native_setFontFeatureSettings","(JLjava/lang/String;)V", (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$FontMetrics;)F", (void*)PaintGlue::getFontMetrics}, 1028 {"getFontMetricsInt", "(Landroid/graphics/Paint$FontMetricsInt;)I", (void*)PaintGlue::getFontMetricsInt}, 1029 {"native_measureText","([CIII)F", (void*) PaintGlue::measureText_CIII}, 1030 {"native_measureText","(Ljava/lang/String;I)F", (void*) PaintGlue::measureText_StringI}, 1031 {"native_measureText","(Ljava/lang/String;III)F", (void*) PaintGlue::measureText_StringIII}, 1032 {"native_breakText","(JJ[CIIFI[F)I", (void*) PaintGlue::breakTextC}, 1033 {"native_breakText","(JJLjava/lang/String;ZFI[F)I", (void*) PaintGlue::breakTextS}, 1034 {"native_getTextWidths","(JJ[CIII[F)I", (void*) PaintGlue::getTextWidths___CIII_F}, 1035 {"native_getTextWidths","(JJLjava/lang/String;III[F)I", (void*) PaintGlue::getTextWidths__StringIII_F}, 1036 {"native_getTextRunAdvances","(JJ[CIIIIZ[FI)F", 1037 (void*) PaintGlue::getTextRunAdvances___CIIIIZ_FI}, 1038 {"native_getTextRunAdvances","(JJLjava/lang/String;IIIIZ[FI)F", 1039 (void*) PaintGlue::getTextRunAdvances__StringIIIIZ_FI}, 1040 1041 {"native_getTextRunCursor", "(J[CIIIII)I", (void*) PaintGlue::getTextRunCursor___C}, 1042 {"native_getTextRunCursor", "(JLjava/lang/String;IIIII)I", 1043 (void*) PaintGlue::getTextRunCursor__String}, 1044 {"native_getTextPath","(JJI[CIIFFJ)V", (void*) PaintGlue::getTextPath___C}, 1045 {"native_getTextPath","(JJILjava/lang/String;IIFFJ)V", (void*) PaintGlue::getTextPath__String}, 1046 {"nativeGetStringBounds", "(JJLjava/lang/String;IIILandroid/graphics/Rect;)V", 1047 (void*) PaintGlue::getStringBounds }, 1048 {"nativeGetCharArrayBounds", "(JJ[CIIILandroid/graphics/Rect;)V", 1049 (void*) PaintGlue::getCharArrayBounds }, 1050 1051 {"native_setShadowLayer", "!(JFFFI)V", (void*)PaintGlue::setShadowLayer}, 1052 {"native_hasShadowLayer", "!(J)Z", (void*)PaintGlue::hasShadowLayer} 1053}; 1054 1055int register_android_graphics_Paint(JNIEnv* env) { 1056 gFontMetrics_class = FindClassOrDie(env, "android/graphics/Paint$FontMetrics"); 1057 gFontMetrics_class = MakeGlobalRefOrDie(env, gFontMetrics_class); 1058 1059 gFontMetrics_fieldID.top = GetFieldIDOrDie(env, gFontMetrics_class, "top", "F"); 1060 gFontMetrics_fieldID.ascent = GetFieldIDOrDie(env, gFontMetrics_class, "ascent", "F"); 1061 gFontMetrics_fieldID.descent = GetFieldIDOrDie(env, gFontMetrics_class, "descent", "F"); 1062 gFontMetrics_fieldID.bottom = GetFieldIDOrDie(env, gFontMetrics_class, "bottom", "F"); 1063 gFontMetrics_fieldID.leading = GetFieldIDOrDie(env, gFontMetrics_class, "leading", "F"); 1064 1065 gFontMetricsInt_class = FindClassOrDie(env, "android/graphics/Paint$FontMetricsInt"); 1066 gFontMetricsInt_class = MakeGlobalRefOrDie(env, gFontMetricsInt_class); 1067 1068 gFontMetricsInt_fieldID.top = GetFieldIDOrDie(env, gFontMetricsInt_class, "top", "I"); 1069 gFontMetricsInt_fieldID.ascent = GetFieldIDOrDie(env, gFontMetricsInt_class, "ascent", "I"); 1070 gFontMetricsInt_fieldID.descent = GetFieldIDOrDie(env, gFontMetricsInt_class, "descent", "I"); 1071 gFontMetricsInt_fieldID.bottom = GetFieldIDOrDie(env, gFontMetricsInt_class, "bottom", "I"); 1072 gFontMetricsInt_fieldID.leading = GetFieldIDOrDie(env, gFontMetricsInt_class, "leading", "I"); 1073 1074 gPaint_class = MakeGlobalRefOrDie(env, FindClassOrDie(env, "android/graphics/Paint")); 1075 gPaint_nativeInstanceID = GetFieldIDOrDie(env, gPaint_class, "mNativePaint", "J"); 1076 gPaint_nativeTypefaceID = GetFieldIDOrDie(env, gPaint_class, "mNativeTypeface", "J"); 1077 1078 return RegisterMethodsOrDie(env, "android/graphics/Paint", methods, NELEM(methods)); 1079} 1080 1081} 1082