Paint.cpp revision 589cddc034f87fcd02adb24e168ef6b2ed851b82
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 <hwui/MinikinSkia.h> 41#include <hwui/MinikinUtils.h> 42#include <hwui/Paint.h> 43#include <hwui/Typeface.h> 44#include <minikin/GraphemeBreak.h> 45#include <minikin/Measurement.h> 46#include <unicode/utf16.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 deletePaint(Paint* paint) { 80 delete paint; 81 } 82 83 static jlong getNativeFinalizer(JNIEnv*, jobject) { 84 return static_cast<jlong>(reinterpret_cast<uintptr_t>(&deletePaint)); 85 } 86 87 static jlong init(JNIEnv* env, jobject) { 88 static_assert(1 << 0 == SkPaint::kAntiAlias_Flag, "paint_flags_mismatch"); 89 static_assert(1 << 2 == SkPaint::kDither_Flag, "paint_flags_mismatch"); 90 static_assert(1 << 3 == SkPaint::kUnderlineText_Flag, "paint_flags_mismatch"); 91 static_assert(1 << 4 == SkPaint::kStrikeThruText_Flag, "paint_flags_mismatch"); 92 static_assert(1 << 5 == SkPaint::kFakeBoldText_Flag, "paint_flags_mismatch"); 93 static_assert(1 << 6 == SkPaint::kLinearText_Flag, "paint_flags_mismatch"); 94 static_assert(1 << 7 == SkPaint::kSubpixelText_Flag, "paint_flags_mismatch"); 95 static_assert(1 << 8 == SkPaint::kDevKernText_Flag, "paint_flags_mismatch"); 96 static_assert(1 << 10 == SkPaint::kEmbeddedBitmapText_Flag, "paint_flags_mismatch"); 97 98 Paint* obj = new Paint(); 99 defaultSettingsForAndroid(obj); 100 return reinterpret_cast<jlong>(obj); 101 } 102 103 static jlong initWithPaint(JNIEnv* env, jobject clazz, jlong paintHandle) { 104 Paint* paint = reinterpret_cast<Paint*>(paintHandle); 105 Paint* obj = new Paint(*paint); 106 return reinterpret_cast<jlong>(obj); 107 } 108 109 static void reset(JNIEnv* env, jobject clazz, jlong objHandle) { 110 Paint* obj = reinterpret_cast<Paint*>(objHandle); 111 obj->reset(); 112 defaultSettingsForAndroid(obj); 113 } 114 115 static void assign(JNIEnv* env, jobject clazz, jlong dstPaintHandle, jlong srcPaintHandle) { 116 Paint* dst = reinterpret_cast<Paint*>(dstPaintHandle); 117 const Paint* src = reinterpret_cast<Paint*>(srcPaintHandle); 118 *dst = *src; 119 } 120 121 // Equivalent to the Java Paint's FILTER_BITMAP_FLAG. 122 static const uint32_t sFilterBitmapFlag = 0x02; 123 124 static jint getFlags(JNIEnv* env, jobject, jlong paintHandle) { 125 Paint* nativePaint = reinterpret_cast<Paint*>(paintHandle); 126 uint32_t result = nativePaint->getFlags(); 127 result &= ~sFilterBitmapFlag; // Filtering no longer stored in this bit. Mask away. 128 if (nativePaint->getFilterQuality() != kNone_SkFilterQuality) { 129 result |= sFilterBitmapFlag; 130 } 131 return static_cast<jint>(result); 132 } 133 134 static void setFlags(JNIEnv* env, jobject, jlong paintHandle, jint flags) { 135 Paint* nativePaint = reinterpret_cast<Paint*>(paintHandle); 136 // Instead of modifying 0x02, change the filter level. 137 nativePaint->setFilterQuality(flags & sFilterBitmapFlag 138 ? kLow_SkFilterQuality 139 : kNone_SkFilterQuality); 140 // Don't pass through filter flag, which is no longer stored in paint's flags. 141 flags &= ~sFilterBitmapFlag; 142 // Use the existing value for 0x02. 143 const uint32_t existing0x02Flag = nativePaint->getFlags() & sFilterBitmapFlag; 144 flags |= existing0x02Flag; 145 nativePaint->setFlags(flags); 146 } 147 148 static jint getHinting(JNIEnv* env, jobject, jlong paintHandle) { 149 return reinterpret_cast<Paint*>(paintHandle)->getHinting() 150 == Paint::kNo_Hinting ? 0 : 1; 151 } 152 153 static void setHinting(JNIEnv* env, jobject, jlong paintHandle, jint mode) { 154 reinterpret_cast<Paint*>(paintHandle)->setHinting( 155 mode == 0 ? Paint::kNo_Hinting : Paint::kNormal_Hinting); 156 } 157 158 static void setAntiAlias(JNIEnv* env, jobject, jlong paintHandle, jboolean aa) { 159 reinterpret_cast<Paint*>(paintHandle)->setAntiAlias(aa); 160 } 161 162 static void setLinearText(JNIEnv* env, jobject, jlong paintHandle, jboolean linearText) { 163 reinterpret_cast<Paint*>(paintHandle)->setLinearText(linearText); 164 } 165 166 static void setSubpixelText(JNIEnv* env, jobject, jlong paintHandle, jboolean subpixelText) { 167 reinterpret_cast<Paint*>(paintHandle)->setSubpixelText(subpixelText); 168 } 169 170 static void setUnderlineText(JNIEnv* env, jobject, jlong paintHandle, jboolean underlineText) { 171 reinterpret_cast<Paint*>(paintHandle)->setUnderlineText(underlineText); 172 } 173 174 static void setStrikeThruText(JNIEnv* env, jobject, jlong paintHandle, jboolean strikeThruText) { 175 reinterpret_cast<Paint*>(paintHandle)->setStrikeThruText(strikeThruText); 176 } 177 178 static void setFakeBoldText(JNIEnv* env, jobject, jlong paintHandle, jboolean fakeBoldText) { 179 reinterpret_cast<Paint*>(paintHandle)->setFakeBoldText(fakeBoldText); 180 } 181 182 static void setFilterBitmap(JNIEnv* env, jobject, jlong paintHandle, jboolean filterBitmap) { 183 reinterpret_cast<Paint*>(paintHandle)->setFilterQuality( 184 filterBitmap ? kLow_SkFilterQuality : kNone_SkFilterQuality); 185 } 186 187 static void setDither(JNIEnv* env, jobject, jlong paintHandle, jboolean dither) { 188 reinterpret_cast<Paint*>(paintHandle)->setDither(dither); 189 } 190 191 static jint getStyle(JNIEnv* env, jobject clazz,jlong objHandle) { 192 Paint* obj = reinterpret_cast<Paint*>(objHandle); 193 return static_cast<jint>(obj->getStyle()); 194 } 195 196 static void setStyle(JNIEnv* env, jobject clazz, jlong objHandle, jint styleHandle) { 197 Paint* obj = reinterpret_cast<Paint*>(objHandle); 198 Paint::Style style = static_cast<Paint::Style>(styleHandle); 199 obj->setStyle(style); 200 } 201 202 static jint getColor(JNIEnv* env, jobject, jlong paintHandle) { 203 int color; 204 color = reinterpret_cast<Paint*>(paintHandle)->getColor(); 205 return static_cast<jint>(color); 206 } 207 208 static jint getAlpha(JNIEnv* env, jobject, jlong paintHandle) { 209 int alpha; 210 alpha = reinterpret_cast<Paint*>(paintHandle)->getAlpha(); 211 return static_cast<jint>(alpha); 212 } 213 214 static void setColor(JNIEnv* env, jobject, jlong paintHandle, jint color) { 215 reinterpret_cast<Paint*>(paintHandle)->setColor(color); 216 } 217 218 static void setAlpha(JNIEnv* env, jobject, jlong paintHandle, jint a) { 219 reinterpret_cast<Paint*>(paintHandle)->setAlpha(a); 220 } 221 222 static jfloat getStrokeWidth(JNIEnv* env, jobject, jlong paintHandle) { 223 return SkScalarToFloat(reinterpret_cast<Paint*>(paintHandle)->getStrokeWidth()); 224 } 225 226 static void setStrokeWidth(JNIEnv* env, jobject, jlong paintHandle, jfloat width) { 227 reinterpret_cast<Paint*>(paintHandle)->setStrokeWidth(width); 228 } 229 230 static jfloat getStrokeMiter(JNIEnv* env, jobject, jlong paintHandle) { 231 return SkScalarToFloat(reinterpret_cast<Paint*>(paintHandle)->getStrokeMiter()); 232 } 233 234 static void setStrokeMiter(JNIEnv* env, jobject, jlong paintHandle, jfloat miter) { 235 reinterpret_cast<Paint*>(paintHandle)->setStrokeMiter(miter); 236 } 237 238 static jint getStrokeCap(JNIEnv* env, jobject clazz, jlong objHandle) { 239 Paint* obj = reinterpret_cast<Paint*>(objHandle); 240 return static_cast<jint>(obj->getStrokeCap()); 241 } 242 243 static void setStrokeCap(JNIEnv* env, jobject clazz, jlong objHandle, jint capHandle) { 244 Paint* obj = reinterpret_cast<Paint*>(objHandle); 245 Paint::Cap cap = static_cast<Paint::Cap>(capHandle); 246 obj->setStrokeCap(cap); 247 } 248 249 static jint getStrokeJoin(JNIEnv* env, jobject clazz, jlong objHandle) { 250 Paint* obj = reinterpret_cast<Paint*>(objHandle); 251 return static_cast<jint>(obj->getStrokeJoin()); 252 } 253 254 static void setStrokeJoin(JNIEnv* env, jobject clazz, jlong objHandle, jint joinHandle) { 255 Paint* obj = reinterpret_cast<Paint*>(objHandle); 256 Paint::Join join = (Paint::Join) joinHandle; 257 obj->setStrokeJoin(join); 258 } 259 260 static jboolean getFillPath(JNIEnv* env, jobject clazz, jlong objHandle, jlong srcHandle, jlong dstHandle) { 261 Paint* obj = reinterpret_cast<Paint*>(objHandle); 262 SkPath* src = reinterpret_cast<SkPath*>(srcHandle); 263 SkPath* dst = reinterpret_cast<SkPath*>(dstHandle); 264 return obj->getFillPath(*src, dst) ? JNI_TRUE : JNI_FALSE; 265 } 266 267 static jlong setShader(JNIEnv* env, jobject clazz, jlong objHandle, jlong shaderHandle) { 268 Paint* obj = reinterpret_cast<Paint*>(objHandle); 269 SkShader* shader = reinterpret_cast<SkShader*>(shaderHandle); 270 return reinterpret_cast<jlong>(obj->setShader(shader)); 271 } 272 273 static jlong setColorFilter(JNIEnv* env, jobject clazz, jlong objHandle, jlong filterHandle) { 274 Paint* obj = reinterpret_cast<Paint *>(objHandle); 275 SkColorFilter* filter = reinterpret_cast<SkColorFilter *>(filterHandle); 276 return reinterpret_cast<jlong>(obj->setColorFilter(filter)); 277 } 278 279 static jlong setXfermode(JNIEnv* env, jobject clazz, jlong objHandle, jlong xfermodeHandle) { 280 Paint* obj = reinterpret_cast<Paint*>(objHandle); 281 SkXfermode* xfermode = reinterpret_cast<SkXfermode*>(xfermodeHandle); 282 return reinterpret_cast<jlong>(obj->setXfermode(xfermode)); 283 } 284 285 static jlong setPathEffect(JNIEnv* env, jobject clazz, jlong objHandle, jlong effectHandle) { 286 Paint* obj = reinterpret_cast<Paint*>(objHandle); 287 SkPathEffect* effect = reinterpret_cast<SkPathEffect*>(effectHandle); 288 return reinterpret_cast<jlong>(obj->setPathEffect(effect)); 289 } 290 291 static jlong setMaskFilter(JNIEnv* env, jobject clazz, jlong objHandle, jlong maskfilterHandle) { 292 Paint* obj = reinterpret_cast<Paint*>(objHandle); 293 SkMaskFilter* maskfilter = reinterpret_cast<SkMaskFilter*>(maskfilterHandle); 294 return reinterpret_cast<jlong>(obj->setMaskFilter(maskfilter)); 295 } 296 297 static jlong setTypeface(JNIEnv* env, jobject clazz, jlong objHandle, jlong typefaceHandle) { 298 // TODO: in Paint refactoring, set typeface on android Paint, not Paint 299 return NULL; 300 } 301 302 static jlong setRasterizer(JNIEnv* env, jobject clazz, jlong objHandle, jlong rasterizerHandle) { 303 Paint* obj = reinterpret_cast<Paint*>(objHandle); 304 SkAutoTUnref<SkRasterizer> rasterizer(GraphicsJNI::refNativeRasterizer(rasterizerHandle)); 305 return reinterpret_cast<jlong>(obj->setRasterizer(rasterizer)); 306 } 307 308 static jint getTextAlign(JNIEnv* env, jobject clazz, jlong objHandle) { 309 Paint* obj = reinterpret_cast<Paint*>(objHandle); 310 return static_cast<jint>(obj->getTextAlign()); 311 } 312 313 static void setTextAlign(JNIEnv* env, jobject clazz, jlong objHandle, jint alignHandle) { 314 Paint* obj = reinterpret_cast<Paint*>(objHandle); 315 Paint::Align align = static_cast<Paint::Align>(alignHandle); 316 obj->setTextAlign(align); 317 } 318 319 static jint setTextLocales(JNIEnv* env, jobject clazz, jlong objHandle, jstring locales) { 320 Paint* obj = reinterpret_cast<Paint*>(objHandle); 321 ScopedUtfChars localesChars(env, locales); 322 jint minikinLangListId = FontStyle::registerLanguageList(localesChars.c_str()); 323 obj->setMinikinLangListId(minikinLangListId); 324 return minikinLangListId; 325 } 326 327 static void setTextLocalesByMinikinLangListId(JNIEnv* env, jobject clazz, jlong objHandle, 328 jint minikinLangListId) { 329 Paint* obj = reinterpret_cast<Paint*>(objHandle); 330 obj->setMinikinLangListId(minikinLangListId); 331 } 332 333 static jboolean isElegantTextHeight(JNIEnv* env, jobject, jlong paintHandle) { 334 Paint* obj = reinterpret_cast<Paint*>(paintHandle); 335 return obj->getFontVariant() == VARIANT_ELEGANT; 336 } 337 338 static void setElegantTextHeight(JNIEnv* env, jobject, jlong paintHandle, jboolean aa) { 339 Paint* obj = reinterpret_cast<Paint*>(paintHandle); 340 obj->setFontVariant(aa ? VARIANT_ELEGANT : VARIANT_DEFAULT); 341 } 342 343 static jfloat getTextSize(JNIEnv* env, jobject, jlong paintHandle) { 344 return SkScalarToFloat(reinterpret_cast<Paint*>(paintHandle)->getTextSize()); 345 } 346 347 static void setTextSize(JNIEnv* env, jobject, jlong paintHandle, jfloat textSize) { 348 reinterpret_cast<Paint*>(paintHandle)->setTextSize(textSize); 349 } 350 351 static jfloat getTextScaleX(JNIEnv* env, jobject, jlong paintHandle) { 352 return SkScalarToFloat(reinterpret_cast<Paint*>(paintHandle)->getTextScaleX()); 353 } 354 355 static void setTextScaleX(JNIEnv* env, jobject, jlong paintHandle, jfloat scaleX) { 356 reinterpret_cast<Paint*>(paintHandle)->setTextScaleX(scaleX); 357 } 358 359 static jfloat getTextSkewX(JNIEnv* env, jobject, jlong paintHandle) { 360 return SkScalarToFloat(reinterpret_cast<Paint*>(paintHandle)->getTextSkewX()); 361 } 362 363 static void setTextSkewX(JNIEnv* env, jobject, jlong paintHandle, jfloat skewX) { 364 reinterpret_cast<Paint*>(paintHandle)->setTextSkewX(skewX); 365 } 366 367 static jfloat getLetterSpacing(JNIEnv* env, jobject clazz, jlong paintHandle) { 368 Paint* paint = reinterpret_cast<Paint*>(paintHandle); 369 return paint->getLetterSpacing(); 370 } 371 372 static void setLetterSpacing(JNIEnv* env, jobject clazz, jlong paintHandle, jfloat letterSpacing) { 373 Paint* paint = reinterpret_cast<Paint*>(paintHandle); 374 paint->setLetterSpacing(letterSpacing); 375 } 376 377 static void setFontFeatureSettings(JNIEnv* env, jobject clazz, jlong paintHandle, jstring settings) { 378 Paint* paint = reinterpret_cast<Paint*>(paintHandle); 379 if (!settings) { 380 paint->setFontFeatureSettings(std::string()); 381 } else { 382 ScopedUtfChars settingsChars(env, settings); 383 paint->setFontFeatureSettings(std::string(settingsChars.c_str(), settingsChars.size())); 384 } 385 } 386 387 static jint getHyphenEdit(JNIEnv* env, jobject clazz, jlong paintHandle, jint hyphen) { 388 Paint* paint = reinterpret_cast<Paint*>(paintHandle); 389 return paint->getHyphenEdit(); 390 } 391 392 static void setHyphenEdit(JNIEnv* env, jobject clazz, jlong paintHandle, jint hyphen) { 393 Paint* paint = reinterpret_cast<Paint*>(paintHandle); 394 paint->setHyphenEdit((uint32_t)hyphen); 395 } 396 397 static SkScalar getMetricsInternal(jlong paintHandle, jlong typefaceHandle, 398 Paint::FontMetrics *metrics) { 399 const int kElegantTop = 2500; 400 const int kElegantBottom = -1000; 401 const int kElegantAscent = 1900; 402 const int kElegantDescent = -500; 403 const int kElegantLeading = 0; 404 Paint* paint = reinterpret_cast<Paint*>(paintHandle); 405 Typeface* typeface = reinterpret_cast<Typeface*>(typefaceHandle); 406 typeface = Typeface::resolveDefault(typeface); 407 FakedFont baseFont = typeface->fFontCollection->baseFontFaked(typeface->fStyle); 408 float saveSkewX = paint->getTextSkewX(); 409 bool savefakeBold = paint->isFakeBoldText(); 410 MinikinFontSkia::populateSkPaint(paint, baseFont.font, baseFont.fakery); 411 SkScalar spacing = paint->getFontMetrics(metrics); 412 // The populateSkPaint call may have changed fake bold / text skew 413 // because we want to measure with those effects applied, so now 414 // restore the original settings. 415 paint->setTextSkewX(saveSkewX); 416 paint->setFakeBoldText(savefakeBold); 417 if (paint->getFontVariant() == VARIANT_ELEGANT) { 418 SkScalar size = paint->getTextSize(); 419 metrics->fTop = -size * kElegantTop / 2048; 420 metrics->fBottom = -size * kElegantBottom / 2048; 421 metrics->fAscent = -size * kElegantAscent / 2048; 422 metrics->fDescent = -size * kElegantDescent / 2048; 423 metrics->fLeading = size * kElegantLeading / 2048; 424 spacing = metrics->fDescent - metrics->fAscent + metrics->fLeading; 425 } 426 return spacing; 427 } 428 429 static jfloat ascent(JNIEnv* env, jobject, jlong paintHandle, jlong typefaceHandle) { 430 Paint::FontMetrics metrics; 431 getMetricsInternal(paintHandle, typefaceHandle, &metrics); 432 return SkScalarToFloat(metrics.fAscent); 433 } 434 435 static jfloat descent(JNIEnv* env, jobject, jlong paintHandle, jlong typefaceHandle) { 436 Paint::FontMetrics metrics; 437 getMetricsInternal(paintHandle, typefaceHandle, &metrics); 438 return SkScalarToFloat(metrics.fDescent); 439 } 440 441 static jfloat getFontMetrics(JNIEnv* env, jobject, jlong paintHandle, 442 jlong typefaceHandle, jobject metricsObj) { 443 Paint::FontMetrics metrics; 444 SkScalar spacing = getMetricsInternal(paintHandle, typefaceHandle, &metrics); 445 446 if (metricsObj) { 447 SkASSERT(env->IsInstanceOf(metricsObj, gFontMetrics_class)); 448 env->SetFloatField(metricsObj, gFontMetrics_fieldID.top, SkScalarToFloat(metrics.fTop)); 449 env->SetFloatField(metricsObj, gFontMetrics_fieldID.ascent, SkScalarToFloat(metrics.fAscent)); 450 env->SetFloatField(metricsObj, gFontMetrics_fieldID.descent, SkScalarToFloat(metrics.fDescent)); 451 env->SetFloatField(metricsObj, gFontMetrics_fieldID.bottom, SkScalarToFloat(metrics.fBottom)); 452 env->SetFloatField(metricsObj, gFontMetrics_fieldID.leading, SkScalarToFloat(metrics.fLeading)); 453 } 454 return SkScalarToFloat(spacing); 455 } 456 457 static jint getFontMetricsInt(JNIEnv* env, jobject, jlong paintHandle, 458 jlong typefaceHandle, jobject metricsObj) { 459 Paint::FontMetrics metrics; 460 461 getMetricsInternal(paintHandle, typefaceHandle, &metrics); 462 int ascent = SkScalarRoundToInt(metrics.fAscent); 463 int descent = SkScalarRoundToInt(metrics.fDescent); 464 int leading = SkScalarRoundToInt(metrics.fLeading); 465 466 if (metricsObj) { 467 SkASSERT(env->IsInstanceOf(metricsObj, gFontMetricsInt_class)); 468 env->SetIntField(metricsObj, gFontMetricsInt_fieldID.top, SkScalarFloorToInt(metrics.fTop)); 469 env->SetIntField(metricsObj, gFontMetricsInt_fieldID.ascent, ascent); 470 env->SetIntField(metricsObj, gFontMetricsInt_fieldID.descent, descent); 471 env->SetIntField(metricsObj, gFontMetricsInt_fieldID.bottom, SkScalarCeilToInt(metrics.fBottom)); 472 env->SetIntField(metricsObj, gFontMetricsInt_fieldID.leading, leading); 473 } 474 return descent - ascent + leading; 475 } 476 477 static jfloat doTextAdvances(JNIEnv *env, Paint *paint, Typeface* typeface, 478 const jchar *text, jint start, jint count, jint contextCount, jint bidiFlags, 479 jfloatArray advances, jint advancesIndex) { 480 NPE_CHECK_RETURN_ZERO(env, text); 481 482 if ((start | count | contextCount | advancesIndex) < 0 || contextCount < count) { 483 doThrowAIOOBE(env); 484 return 0; 485 } 486 if (count == 0) { 487 return 0; 488 } 489 if (advances) { 490 size_t advancesLength = env->GetArrayLength(advances); 491 if ((size_t)(count + advancesIndex) > advancesLength) { 492 doThrowAIOOBE(env); 493 return 0; 494 } 495 } 496 std::unique_ptr<jfloat[]> advancesArray; 497 if (advances) { 498 advancesArray.reset(new jfloat[count]); 499 } 500 const float advance = MinikinUtils::measureText(paint, bidiFlags, typeface, text, 501 start, count, contextCount, advancesArray.get()); 502 if (advances) { 503 env->SetFloatArrayRegion(advances, advancesIndex, count, advancesArray.get()); 504 } 505 return advance; 506 } 507 508 static jfloat getTextAdvances___CIIIII_FI(JNIEnv* env, jobject clazz, jlong paintHandle, 509 jlong typefaceHandle, 510 jcharArray text, jint index, jint count, jint contextIndex, jint contextCount, 511 jint bidiFlags, jfloatArray advances, jint advancesIndex) { 512 Paint* paint = reinterpret_cast<Paint*>(paintHandle); 513 Typeface* typeface = reinterpret_cast<Typeface*>(typefaceHandle); 514 jchar* textArray = env->GetCharArrayElements(text, NULL); 515 jfloat result = doTextAdvances(env, paint, typeface, textArray + contextIndex, 516 index - contextIndex, count, contextCount, bidiFlags, advances, advancesIndex); 517 env->ReleaseCharArrayElements(text, textArray, JNI_ABORT); 518 return result; 519 } 520 521 static jfloat getTextAdvances__StringIIIII_FI(JNIEnv* env, jobject clazz, jlong paintHandle, 522 jlong typefaceHandle, 523 jstring text, jint start, jint end, jint contextStart, jint contextEnd, jint bidiFlags, 524 jfloatArray advances, jint advancesIndex) { 525 Paint* paint = reinterpret_cast<Paint*>(paintHandle); 526 Typeface* typeface = reinterpret_cast<Typeface*>(typefaceHandle); 527 const jchar* textArray = env->GetStringChars(text, NULL); 528 jfloat result = doTextAdvances(env, paint, typeface, textArray + contextStart, 529 start - contextStart, end - start, contextEnd - contextStart, bidiFlags, 530 advances, advancesIndex); 531 env->ReleaseStringChars(text, textArray); 532 return result; 533 } 534 535 static jint doTextRunCursor(JNIEnv *env, Paint* paint, const jchar *text, jint start, 536 jint count, jint flags, jint offset, jint opt) { 537 GraphemeBreak::MoveOpt moveOpt = GraphemeBreak::MoveOpt(opt); 538 size_t result = GraphemeBreak::getTextRunCursor(text, start, count, offset, moveOpt); 539 return static_cast<jint>(result); 540 } 541 542 static jint getTextRunCursor___C(JNIEnv* env, jobject clazz, jlong paintHandle, jcharArray text, 543 jint contextStart, jint contextCount, jint dir, jint offset, jint cursorOpt) { 544 Paint* paint = reinterpret_cast<Paint*>(paintHandle); 545 jchar* textArray = env->GetCharArrayElements(text, NULL); 546 jint result = doTextRunCursor(env, paint, textArray, contextStart, contextCount, dir, 547 offset, cursorOpt); 548 env->ReleaseCharArrayElements(text, textArray, JNI_ABORT); 549 return result; 550 } 551 552 static jint getTextRunCursor__String(JNIEnv* env, jobject clazz, jlong paintHandle, jstring text, 553 jint contextStart, jint contextEnd, jint dir, jint offset, jint cursorOpt) { 554 Paint* paint = reinterpret_cast<Paint*>(paintHandle); 555 const jchar* textArray = env->GetStringChars(text, NULL); 556 jint result = doTextRunCursor(env, paint, textArray, contextStart, 557 contextEnd - contextStart, dir, offset, cursorOpt); 558 env->ReleaseStringChars(text, textArray); 559 return result; 560 } 561 562 class GetTextFunctor { 563 public: 564 GetTextFunctor(const Layout& layout, SkPath* path, jfloat x, jfloat y, Paint* paint, 565 uint16_t* glyphs, SkPoint* pos) 566 : layout(layout), path(path), x(x), y(y), paint(paint), glyphs(glyphs), pos(pos) { 567 } 568 569 void operator()(size_t start, size_t end) { 570 for (size_t i = start; i < end; i++) { 571 glyphs[i] = layout.getGlyphId(i); 572 pos[i].fX = x + layout.getX(i); 573 pos[i].fY = y + layout.getY(i); 574 } 575 if (start == 0) { 576 paint->getPosTextPath(glyphs + start, (end - start) << 1, pos + start, path); 577 } else { 578 paint->getPosTextPath(glyphs + start, (end - start) << 1, pos + start, &tmpPath); 579 path->addPath(tmpPath); 580 } 581 } 582 private: 583 const Layout& layout; 584 SkPath* path; 585 jfloat x; 586 jfloat y; 587 Paint* paint; 588 uint16_t* glyphs; 589 SkPoint* pos; 590 SkPath tmpPath; 591 }; 592 593 static void getTextPath(JNIEnv* env, Paint* paint, Typeface* typeface, const jchar* text, 594 jint count, jint bidiFlags, jfloat x, jfloat y, SkPath* path) { 595 Layout layout; 596 MinikinUtils::doLayout(&layout, paint, bidiFlags, typeface, text, 0, count, count); 597 size_t nGlyphs = layout.nGlyphs(); 598 uint16_t* glyphs = new uint16_t[nGlyphs]; 599 SkPoint* pos = new SkPoint[nGlyphs]; 600 601 x += MinikinUtils::xOffsetForTextAlign(paint, layout); 602 Paint::Align align = paint->getTextAlign(); 603 paint->setTextAlign(Paint::kLeft_Align); 604 paint->setTextEncoding(Paint::kGlyphID_TextEncoding); 605 GetTextFunctor f(layout, path, x, y, paint, glyphs, pos); 606 MinikinUtils::forFontRun(layout, paint, f); 607 paint->setTextAlign(align); 608 delete[] glyphs; 609 delete[] pos; 610 } 611 612 static void getTextPath___C(JNIEnv* env, jobject clazz, jlong paintHandle, 613 jlong typefaceHandle, jint bidiFlags, 614 jcharArray text, jint index, jint count, jfloat x, jfloat y, jlong pathHandle) { 615 Paint* paint = reinterpret_cast<Paint*>(paintHandle); 616 Typeface* typeface = reinterpret_cast<Typeface*>(typefaceHandle); 617 SkPath* path = reinterpret_cast<SkPath*>(pathHandle); 618 const jchar* textArray = env->GetCharArrayElements(text, NULL); 619 getTextPath(env, paint, typeface, textArray + index, count, bidiFlags, x, y, path); 620 env->ReleaseCharArrayElements(text, const_cast<jchar*>(textArray), JNI_ABORT); 621 } 622 623 static void getTextPath__String(JNIEnv* env, jobject clazz, jlong paintHandle, 624 jlong typefaceHandle, jint bidiFlags, 625 jstring text, jint start, jint end, jfloat x, jfloat y, jlong pathHandle) { 626 Paint* paint = reinterpret_cast<Paint*>(paintHandle); 627 Typeface* typeface = reinterpret_cast<Typeface*>(typefaceHandle); 628 SkPath* path = reinterpret_cast<SkPath*>(pathHandle); 629 const jchar* textArray = env->GetStringChars(text, NULL); 630 getTextPath(env, paint, typeface, textArray + start, end - start, bidiFlags, x, y, path); 631 env->ReleaseStringChars(text, textArray); 632 } 633 634 static void setShadowLayer(JNIEnv* env, jobject clazz, jlong paintHandle, jfloat radius, 635 jfloat dx, jfloat dy, jint color) { 636 Paint* paint = reinterpret_cast<Paint*>(paintHandle); 637 if (radius <= 0) { 638 paint->setLooper(NULL); 639 } 640 else { 641 SkScalar sigma = android::uirenderer::Blur::convertRadiusToSigma(radius); 642 paint->setLooper(SkBlurDrawLooper::Create((SkColor)color, sigma, dx, dy))->unref(); 643 } 644 } 645 646 static jboolean hasShadowLayer(JNIEnv* env, jobject clazz, jlong paintHandle) { 647 Paint* paint = reinterpret_cast<Paint*>(paintHandle); 648 return paint->getLooper() && paint->getLooper()->asABlurShadow(NULL); 649 } 650 651 static int breakText(JNIEnv* env, const Paint& paint, Typeface* typeface, const jchar text[], 652 int count, float maxWidth, jint bidiFlags, jfloatArray jmeasured, 653 const bool forwardScan) { 654 size_t measuredCount = 0; 655 float measured = 0; 656 657 std::unique_ptr<float[]> advancesArray(new float[count]); 658 MinikinUtils::measureText(&paint, bidiFlags, typeface, text, 0, count, count, 659 advancesArray.get()); 660 661 for (int i = 0; i < count; i++) { 662 // traverse in the given direction 663 int index = forwardScan ? i : (count - i - 1); 664 float width = advancesArray[index]; 665 if (measured + width > maxWidth) { 666 break; 667 } 668 // properly handle clusters when scanning backwards 669 if (forwardScan || width != 0.0f) { 670 measuredCount = i + 1; 671 } 672 measured += width; 673 } 674 675 if (jmeasured && env->GetArrayLength(jmeasured) > 0) { 676 AutoJavaFloatArray autoMeasured(env, jmeasured, 1); 677 jfloat* array = autoMeasured.ptr(); 678 array[0] = measured; 679 } 680 return measuredCount; 681 } 682 683 static jint breakTextC(JNIEnv* env, jobject clazz, jlong paintHandle, jlong typefaceHandle, jcharArray jtext, 684 jint index, jint count, jfloat maxWidth, jint bidiFlags, jfloatArray jmeasuredWidth) { 685 NPE_CHECK_RETURN_ZERO(env, jtext); 686 687 Paint* paint = reinterpret_cast<Paint*>(paintHandle); 688 Typeface* typeface = reinterpret_cast<Typeface*>(typefaceHandle); 689 690 bool forwardTextDirection; 691 if (count < 0) { 692 forwardTextDirection = false; 693 count = -count; 694 } 695 else { 696 forwardTextDirection = true; 697 } 698 699 if ((index < 0) || (index + count > env->GetArrayLength(jtext))) { 700 doThrowAIOOBE(env); 701 return 0; 702 } 703 704 const jchar* text = env->GetCharArrayElements(jtext, NULL); 705 count = breakText(env, *paint, typeface, text + index, count, maxWidth, 706 bidiFlags, jmeasuredWidth, forwardTextDirection); 707 env->ReleaseCharArrayElements(jtext, const_cast<jchar*>(text), 708 JNI_ABORT); 709 return count; 710 } 711 712 static jint breakTextS(JNIEnv* env, jobject clazz, jlong paintHandle, jlong typefaceHandle, jstring jtext, 713 jboolean forwards, jfloat maxWidth, jint bidiFlags, jfloatArray jmeasuredWidth) { 714 NPE_CHECK_RETURN_ZERO(env, jtext); 715 716 Paint* paint = reinterpret_cast<Paint*>(paintHandle); 717 Typeface* typeface = reinterpret_cast<Typeface*>(typefaceHandle); 718 719 int count = env->GetStringLength(jtext); 720 const jchar* text = env->GetStringChars(jtext, NULL); 721 count = breakText(env, *paint, typeface, text, count, maxWidth, bidiFlags, jmeasuredWidth, forwards); 722 env->ReleaseStringChars(jtext, text); 723 return count; 724 } 725 726 static void doTextBounds(JNIEnv* env, const jchar* text, int count, jobject bounds, 727 const Paint& paint, Typeface* typeface, jint bidiFlags) { 728 SkRect r; 729 SkIRect ir; 730 731 Layout layout; 732 MinikinUtils::doLayout(&layout, &paint, bidiFlags, typeface, text, 0, count, count); 733 MinikinRect rect; 734 layout.getBounds(&rect); 735 r.fLeft = rect.mLeft; 736 r.fTop = rect.mTop; 737 r.fRight = rect.mRight; 738 r.fBottom = rect.mBottom; 739 r.roundOut(&ir); 740 GraphicsJNI::irect_to_jrect(ir, env, bounds); 741 } 742 743 static void getStringBounds(JNIEnv* env, jobject, jlong paintHandle, jlong typefaceHandle, 744 jstring text, jint start, jint end, jint bidiFlags, jobject bounds) { 745 const Paint* paint = reinterpret_cast<Paint*>(paintHandle); 746 Typeface* typeface = reinterpret_cast<Typeface*>(typefaceHandle); 747 const jchar* textArray = env->GetStringChars(text, NULL); 748 doTextBounds(env, textArray + start, end - start, bounds, *paint, typeface, bidiFlags); 749 env->ReleaseStringChars(text, textArray); 750 } 751 752 static void getCharArrayBounds(JNIEnv* env, jobject, jlong paintHandle, jlong typefaceHandle, 753 jcharArray text, jint index, jint count, jint bidiFlags, jobject bounds) { 754 const Paint* paint = reinterpret_cast<Paint*>(paintHandle); 755 Typeface* typeface = reinterpret_cast<Typeface*>(typefaceHandle); 756 const jchar* textArray = env->GetCharArrayElements(text, NULL); 757 doTextBounds(env, textArray + index, count, bounds, *paint, typeface, bidiFlags); 758 env->ReleaseCharArrayElements(text, const_cast<jchar*>(textArray), 759 JNI_ABORT); 760 } 761 762 static jboolean layoutContainsNotdef(const Layout& layout) { 763 for (size_t i = 0; i < layout.nGlyphs(); i++) { 764 if (layout.getGlyphId(i) == 0) { 765 return true; 766 } 767 } 768 return false; 769 } 770 771 // Returns true if the given string is exact one pair of regional indicators. 772 static bool isFlag(const jchar* str, size_t length) { 773 const jchar RI_LEAD_SURROGATE = 0xD83C; 774 const jchar RI_TRAIL_SURROGATE_MIN = 0xDDE6; 775 const jchar RI_TRAIL_SURROGATE_MAX = 0xDDFF; 776 777 if (length != 4) { 778 return false; 779 } 780 if (str[0] != RI_LEAD_SURROGATE || str[2] != RI_LEAD_SURROGATE) { 781 return false; 782 } 783 return RI_TRAIL_SURROGATE_MIN <= str[1] && str[1] <= RI_TRAIL_SURROGATE_MAX && 784 RI_TRAIL_SURROGATE_MIN <= str[3] && str[3] <= RI_TRAIL_SURROGATE_MAX; 785 } 786 787 static jboolean hasGlyph(JNIEnv *env, jclass, jlong paintHandle, jlong typefaceHandle, 788 jint bidiFlags, jstring string) { 789 const Paint* paint = reinterpret_cast<Paint*>(paintHandle); 790 Typeface* typeface = reinterpret_cast<Typeface*>(typefaceHandle); 791 ScopedStringChars str(env, string); 792 793 /* Start by rejecting unsupported base code point and variation selector pairs. */ 794 size_t nChars = 0; 795 const uint32_t kStartOfString = 0xFFFFFFFF; 796 uint32_t prevCp = kStartOfString; 797 for (size_t i = 0; i < str.size(); i++) { 798 jchar cu = str[i]; 799 uint32_t cp = cu; 800 if (U16_IS_TRAIL(cu)) { 801 // invalid UTF-16, unpaired trailing surrogate 802 return false; 803 } else if (U16_IS_LEAD(cu)) { 804 if (i + 1 == str.size()) { 805 // invalid UTF-16, unpaired leading surrogate at end of string 806 return false; 807 } 808 i++; 809 jchar cu2 = str[i]; 810 if (!U16_IS_TRAIL(cu2)) { 811 // invalid UTF-16, unpaired leading surrogate 812 return false; 813 } 814 cp = U16_GET_SUPPLEMENTARY(cu, cu2); 815 } 816 817 if (prevCp != kStartOfString && 818 ((0xFE00 <= cp && cp <= 0xFE0F) || (0xE0100 <= cp && cp <= 0xE01EF)) && 819 !MinikinUtils::hasVariationSelector(typeface, prevCp, cp)) { 820 // No font has a glyph for the code point and variation selector pair. 821 return false; 822 } 823 nChars++; 824 prevCp = cp; 825 } 826 Layout layout; 827 MinikinUtils::doLayout(&layout, paint, bidiFlags, typeface, str.get(), 0, str.size(), 828 str.size()); 829 size_t nGlyphs = layout.nGlyphs(); 830 if (nGlyphs != 1 && nChars > 1) { 831 // multiple-character input, and was not a ligature 832 // TODO: handle ZWJ/ZWNJ characters specially so we can detect certain ligatures 833 // in joining scripts, such as Arabic and Mongolian. 834 return false; 835 } 836 837 if (nGlyphs == 0 || layoutContainsNotdef(layout)) { 838 return false; // The collection doesn't have a glyph. 839 } 840 841 if (nChars == 2 && isFlag(str.get(), str.size())) { 842 // Some font may have a special glyph for unsupported regional indicator pairs. 843 // To return false for this case, need to compare the glyph id with the one of ZZ 844 // since ZZ is reserved for unknown or invalid territory. 845 // U+1F1FF (REGIONAL INDICATOR SYMBOL LETTER Z) is \uD83C\uDDFF in UTF16. 846 static const jchar ZZ_FLAG_STR[] = { 0xD83C, 0xDDFF, 0xD83C, 0xDDFF }; 847 Layout zzLayout; 848 MinikinUtils::doLayout(&zzLayout, paint, bidiFlags, typeface, ZZ_FLAG_STR, 0, 4, 4); 849 if (zzLayout.nGlyphs() != 1 || layoutContainsNotdef(zzLayout)) { 850 // The font collection doesn't have a glyph for unknown flag. Just return true. 851 return true; 852 } 853 return zzLayout.getGlyphId(0) != layout.getGlyphId(0); 854 } 855 return true; 856 } 857 858 static jfloat doRunAdvance(const Paint* paint, Typeface* typeface, const jchar buf[], 859 jint start, jint count, jint bufSize, jboolean isRtl, jint offset) { 860 int bidiFlags = isRtl ? kBidi_Force_RTL : kBidi_Force_LTR; 861 if (offset == start + count) { 862 return MinikinUtils::measureText(paint, bidiFlags, typeface, buf, start, count, 863 bufSize, nullptr); 864 } 865 std::unique_ptr<float[]> advancesArray(new float[count]); 866 MinikinUtils::measureText(paint, bidiFlags, typeface, buf, start, count, bufSize, 867 advancesArray.get()); 868 return getRunAdvance(advancesArray.get(), buf, start, count, offset); 869 } 870 871 static jfloat getRunAdvance___CIIIIZI_F(JNIEnv *env, jclass, jlong paintHandle, 872 jlong typefaceHandle, jcharArray text, jint start, jint end, jint contextStart, 873 jint contextEnd, jboolean isRtl, jint offset) { 874 const Paint* paint = reinterpret_cast<Paint*>(paintHandle); 875 Typeface* typeface = reinterpret_cast<Typeface*>(typefaceHandle); 876 jchar* textArray = (jchar*) env->GetPrimitiveArrayCritical(text, NULL); 877 jfloat result = doRunAdvance(paint, typeface, textArray + contextStart, 878 start - contextStart, end - start, contextEnd - contextStart, isRtl, 879 offset - contextStart); 880 env->ReleasePrimitiveArrayCritical(text, textArray, JNI_ABORT); 881 return result; 882 } 883 884 static jint doOffsetForAdvance(const Paint* paint, Typeface* typeface, const jchar buf[], 885 jint start, jint count, jint bufSize, jboolean isRtl, jfloat advance) { 886 int bidiFlags = isRtl ? kBidi_Force_RTL : kBidi_Force_LTR; 887 std::unique_ptr<float[]> advancesArray(new float[count]); 888 MinikinUtils::measureText(paint, bidiFlags, typeface, buf, start, count, bufSize, 889 advancesArray.get()); 890 return getOffsetForAdvance(advancesArray.get(), buf, start, count, advance); 891 } 892 893 static jint getOffsetForAdvance___CIIIIZF_I(JNIEnv *env, jclass, jlong paintHandle, 894 jlong typefaceHandle, jcharArray text, jint start, jint end, jint contextStart, 895 jint contextEnd, jboolean isRtl, jfloat advance) { 896 const Paint* paint = reinterpret_cast<Paint*>(paintHandle); 897 Typeface* typeface = reinterpret_cast<Typeface*>(typefaceHandle); 898 jchar* textArray = (jchar*) env->GetPrimitiveArrayCritical(text, NULL); 899 jint result = doOffsetForAdvance(paint, typeface, textArray + contextStart, 900 start - contextStart, end - start, contextEnd - contextStart, isRtl, advance); 901 result += contextStart; 902 env->ReleasePrimitiveArrayCritical(text, textArray, JNI_ABORT); 903 return result; 904 } 905 906}; // namespace PaintGlue 907 908static const JNINativeMethod methods[] = { 909 {"nGetNativeFinalizer", "()J", (void*) PaintGlue::getNativeFinalizer}, 910 {"nInit","()J", (void*) PaintGlue::init}, 911 {"nInitWithPaint","(J)J", (void*) PaintGlue::initWithPaint}, 912 913 {"nReset","!(J)V", (void*) PaintGlue::reset}, 914 {"nSet","!(JJ)V", (void*) PaintGlue::assign}, 915 {"nGetFlags","!(J)I", (void*) PaintGlue::getFlags}, 916 {"nSetFlags","!(JI)V", (void*) PaintGlue::setFlags}, 917 {"nGetHinting","!(J)I", (void*) PaintGlue::getHinting}, 918 {"nSetHinting","!(JI)V", (void*) PaintGlue::setHinting}, 919 {"nSetAntiAlias","!(JZ)V", (void*) PaintGlue::setAntiAlias}, 920 {"nSetSubpixelText","!(JZ)V", (void*) PaintGlue::setSubpixelText}, 921 {"nSetLinearText","!(JZ)V", (void*) PaintGlue::setLinearText}, 922 {"nSetUnderlineText","!(JZ)V", (void*) PaintGlue::setUnderlineText}, 923 {"nSetStrikeThruText","!(JZ)V", (void*) PaintGlue::setStrikeThruText}, 924 {"nSetFakeBoldText","!(JZ)V", (void*) PaintGlue::setFakeBoldText}, 925 {"nSetFilterBitmap","!(JZ)V", (void*) PaintGlue::setFilterBitmap}, 926 {"nSetDither","!(JZ)V", (void*) PaintGlue::setDither}, 927 {"nGetStyle","!(J)I", (void*) PaintGlue::getStyle}, 928 {"nSetStyle","!(JI)V", (void*) PaintGlue::setStyle}, 929 {"nGetColor","!(J)I", (void*) PaintGlue::getColor}, 930 {"nSetColor","!(JI)V", (void*) PaintGlue::setColor}, 931 {"nGetAlpha","!(J)I", (void*) PaintGlue::getAlpha}, 932 {"nSetAlpha","!(JI)V", (void*) PaintGlue::setAlpha}, 933 {"nGetStrokeWidth","!(J)F", (void*) PaintGlue::getStrokeWidth}, 934 {"nSetStrokeWidth","!(JF)V", (void*) PaintGlue::setStrokeWidth}, 935 {"nGetStrokeMiter","!(J)F", (void*) PaintGlue::getStrokeMiter}, 936 {"nSetStrokeMiter","!(JF)V", (void*) PaintGlue::setStrokeMiter}, 937 {"nGetStrokeCap","!(J)I", (void*) PaintGlue::getStrokeCap}, 938 {"nSetStrokeCap","!(JI)V", (void*) PaintGlue::setStrokeCap}, 939 {"nGetStrokeJoin","!(J)I", (void*) PaintGlue::getStrokeJoin}, 940 {"nSetStrokeJoin","!(JI)V", (void*) PaintGlue::setStrokeJoin}, 941 {"nGetFillPath","!(JJJ)Z", (void*) PaintGlue::getFillPath}, 942 {"nSetShader","!(JJ)J", (void*) PaintGlue::setShader}, 943 {"nSetColorFilter","!(JJ)J", (void*) PaintGlue::setColorFilter}, 944 {"nSetXfermode","!(JJ)J", (void*) PaintGlue::setXfermode}, 945 {"nSetPathEffect","!(JJ)J", (void*) PaintGlue::setPathEffect}, 946 {"nSetMaskFilter","!(JJ)J", (void*) PaintGlue::setMaskFilter}, 947 {"nSetTypeface","!(JJ)J", (void*) PaintGlue::setTypeface}, 948 {"nSetRasterizer","!(JJ)J", (void*) PaintGlue::setRasterizer}, 949 {"nGetTextAlign","!(J)I", (void*) PaintGlue::getTextAlign}, 950 {"nSetTextAlign","!(JI)V", (void*) PaintGlue::setTextAlign}, 951 {"nSetTextLocales","!(JLjava/lang/String;)I", (void*) PaintGlue::setTextLocales}, 952 {"nSetTextLocalesByMinikinLangListId","!(JI)V", 953 (void*) PaintGlue::setTextLocalesByMinikinLangListId}, 954 {"nIsElegantTextHeight","!(J)Z", (void*) PaintGlue::isElegantTextHeight}, 955 {"nSetElegantTextHeight","!(JZ)V", (void*) PaintGlue::setElegantTextHeight}, 956 {"nGetTextSize","!(J)F", (void*) PaintGlue::getTextSize}, 957 {"nSetTextSize","!(JF)V", (void*) PaintGlue::setTextSize}, 958 {"nGetTextScaleX","!(J)F", (void*) PaintGlue::getTextScaleX}, 959 {"nSetTextScaleX","!(JF)V", (void*) PaintGlue::setTextScaleX}, 960 {"nGetTextSkewX","!(J)F", (void*) PaintGlue::getTextSkewX}, 961 {"nSetTextSkewX","!(JF)V", (void*) PaintGlue::setTextSkewX}, 962 {"nGetLetterSpacing","!(J)F", (void*) PaintGlue::getLetterSpacing}, 963 {"nSetLetterSpacing","!(JF)V", (void*) PaintGlue::setLetterSpacing}, 964 {"nSetFontFeatureSettings","(JLjava/lang/String;)V", 965 (void*) PaintGlue::setFontFeatureSettings}, 966 {"nGetHyphenEdit", "!(J)I", (void*) PaintGlue::getHyphenEdit}, 967 {"nSetHyphenEdit", "!(JI)V", (void*) PaintGlue::setHyphenEdit}, 968 {"nAscent","!(JJ)F", (void*) PaintGlue::ascent}, 969 {"nDescent","!(JJ)F", (void*) PaintGlue::descent}, 970 971 {"nGetFontMetrics", "!(JJLandroid/graphics/Paint$FontMetrics;)F", 972 (void*)PaintGlue::getFontMetrics}, 973 {"nGetFontMetricsInt", "!(JJLandroid/graphics/Paint$FontMetricsInt;)I", 974 (void*)PaintGlue::getFontMetricsInt}, 975 976 {"nBreakText","(JJ[CIIFI[F)I", (void*) PaintGlue::breakTextC}, 977 {"nBreakText","(JJLjava/lang/String;ZFI[F)I", (void*) PaintGlue::breakTextS}, 978 {"nGetTextAdvances","(JJ[CIIIII[FI)F", 979 (void*) PaintGlue::getTextAdvances___CIIIII_FI}, 980 {"nGetTextAdvances","(JJLjava/lang/String;IIIII[FI)F", 981 (void*) PaintGlue::getTextAdvances__StringIIIII_FI}, 982 983 {"nGetTextRunCursor", "(J[CIIIII)I", (void*) PaintGlue::getTextRunCursor___C}, 984 {"nGetTextRunCursor", "(JLjava/lang/String;IIIII)I", 985 (void*) PaintGlue::getTextRunCursor__String}, 986 {"nGetTextPath", "(JJI[CIIFFJ)V", (void*) PaintGlue::getTextPath___C}, 987 {"nGetTextPath", "(JJILjava/lang/String;IIFFJ)V", (void*) PaintGlue::getTextPath__String}, 988 {"nGetStringBounds", "(JJLjava/lang/String;IIILandroid/graphics/Rect;)V", 989 (void*) PaintGlue::getStringBounds }, 990 {"nGetCharArrayBounds", "(JJ[CIIILandroid/graphics/Rect;)V", 991 (void*) PaintGlue::getCharArrayBounds }, 992 {"nHasGlyph", "(JJILjava/lang/String;)Z", (void*) PaintGlue::hasGlyph }, 993 {"nGetRunAdvance", "(JJ[CIIIIZI)F", (void*) PaintGlue::getRunAdvance___CIIIIZI_F}, 994 {"nGetOffsetForAdvance", "(JJ[CIIIIZF)I", 995 (void*) PaintGlue::getOffsetForAdvance___CIIIIZF_I}, 996 997 {"nSetShadowLayer", "!(JFFFI)V", (void*)PaintGlue::setShadowLayer}, 998 {"nHasShadowLayer", "!(J)Z", (void*)PaintGlue::hasShadowLayer} 999}; 1000 1001int register_android_graphics_Paint(JNIEnv* env) { 1002 gFontMetrics_class = FindClassOrDie(env, "android/graphics/Paint$FontMetrics"); 1003 gFontMetrics_class = MakeGlobalRefOrDie(env, gFontMetrics_class); 1004 1005 gFontMetrics_fieldID.top = GetFieldIDOrDie(env, gFontMetrics_class, "top", "F"); 1006 gFontMetrics_fieldID.ascent = GetFieldIDOrDie(env, gFontMetrics_class, "ascent", "F"); 1007 gFontMetrics_fieldID.descent = GetFieldIDOrDie(env, gFontMetrics_class, "descent", "F"); 1008 gFontMetrics_fieldID.bottom = GetFieldIDOrDie(env, gFontMetrics_class, "bottom", "F"); 1009 gFontMetrics_fieldID.leading = GetFieldIDOrDie(env, gFontMetrics_class, "leading", "F"); 1010 1011 gFontMetricsInt_class = FindClassOrDie(env, "android/graphics/Paint$FontMetricsInt"); 1012 gFontMetricsInt_class = MakeGlobalRefOrDie(env, gFontMetricsInt_class); 1013 1014 gFontMetricsInt_fieldID.top = GetFieldIDOrDie(env, gFontMetricsInt_class, "top", "I"); 1015 gFontMetricsInt_fieldID.ascent = GetFieldIDOrDie(env, gFontMetricsInt_class, "ascent", "I"); 1016 gFontMetricsInt_fieldID.descent = GetFieldIDOrDie(env, gFontMetricsInt_class, "descent", "I"); 1017 gFontMetricsInt_fieldID.bottom = GetFieldIDOrDie(env, gFontMetricsInt_class, "bottom", "I"); 1018 gFontMetricsInt_fieldID.leading = GetFieldIDOrDie(env, gFontMetricsInt_class, "leading", "I"); 1019 1020 return RegisterMethodsOrDie(env, "android/graphics/Paint", methods, NELEM(methods)); 1021} 1022 1023} 1024