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 "SkPathEffect.h" 33 #include "SkShader.h" 34 #include "SkBlendMode.h" 35 #include "unicode/uloc.h" 36 #include "unicode/ushape.h" 37 #include "utils/Blur.h" 38 39 #include <hwui/MinikinSkia.h> 40 #include <hwui/MinikinUtils.h> 41 #include <hwui/Paint.h> 42 #include <hwui/Typeface.h> 43 #include <minikin/GraphemeBreak.h> 44 #include <minikin/Measurement.h> 45 #include <unicode/utf16.h> 46 47 #include <cassert> 48 #include <cstring> 49 #include <memory> 50 #include <vector> 51 52 namespace android { 53 54 struct JMetricsID { 55 jfieldID top; 56 jfieldID ascent; 57 jfieldID descent; 58 jfieldID bottom; 59 jfieldID leading; 60 }; 61 62 static jclass gFontMetrics_class; 63 static JMetricsID gFontMetrics_fieldID; 64 65 static jclass gFontMetricsInt_class; 66 static JMetricsID gFontMetricsInt_fieldID; 67 68 static void defaultSettingsForAndroid(Paint* paint) { 69 // GlyphID encoding is required because we are using Harfbuzz shaping 70 paint->setTextEncoding(Paint::kGlyphID_TextEncoding); 71 } 72 73 namespace PaintGlue { 74 enum MoveOpt { 75 AFTER, AT_OR_AFTER, BEFORE, AT_OR_BEFORE, AT 76 }; 77 78 static void deletePaint(Paint* paint) { 79 delete paint; 80 } 81 82 static jlong getNativeFinalizer(JNIEnv*, jobject) { 83 return static_cast<jlong>(reinterpret_cast<uintptr_t>(&deletePaint)); 84 } 85 86 static jlong init(JNIEnv* env, jobject) { 87 static_assert(1 << 0 == SkPaint::kAntiAlias_Flag, "paint_flags_mismatch"); 88 static_assert(1 << 2 == SkPaint::kDither_Flag, "paint_flags_mismatch"); 89 static_assert(1 << 3 == SkPaint::kUnderlineText_ReserveFlag, "paint_flags_mismatch"); 90 static_assert(1 << 4 == SkPaint::kStrikeThruText_ReserveFlag, "paint_flags_mismatch"); 91 static_assert(1 << 5 == SkPaint::kFakeBoldText_Flag, "paint_flags_mismatch"); 92 static_assert(1 << 6 == SkPaint::kLinearText_Flag, "paint_flags_mismatch"); 93 static_assert(1 << 7 == SkPaint::kSubpixelText_Flag, "paint_flags_mismatch"); 94 static_assert(1 << 8 == SkPaint::kDevKernText_Flag, "paint_flags_mismatch"); 95 static_assert(1 << 10 == SkPaint::kEmbeddedBitmapText_Flag, "paint_flags_mismatch"); 96 97 Paint* obj = new Paint(); 98 defaultSettingsForAndroid(obj); 99 return reinterpret_cast<jlong>(obj); 100 } 101 102 static jlong initWithPaint(JNIEnv* env, jobject clazz, jlong paintHandle) { 103 Paint* paint = reinterpret_cast<Paint*>(paintHandle); 104 Paint* obj = new Paint(*paint); 105 return reinterpret_cast<jlong>(obj); 106 } 107 108 static int breakText(JNIEnv* env, const Paint& paint, Typeface* typeface, const jchar text[], 109 int count, float maxWidth, jint bidiFlags, jfloatArray jmeasured, 110 const bool forwardScan) { 111 size_t measuredCount = 0; 112 float measured = 0; 113 114 std::unique_ptr<float[]> advancesArray(new float[count]); 115 MinikinUtils::measureText(&paint, bidiFlags, typeface, text, 0, count, count, 116 advancesArray.get()); 117 118 for (int i = 0; i < count; i++) { 119 // traverse in the given direction 120 int index = forwardScan ? i : (count - i - 1); 121 float width = advancesArray[index]; 122 if (measured + width > maxWidth) { 123 break; 124 } 125 // properly handle clusters when scanning backwards 126 if (forwardScan || width != 0.0f) { 127 measuredCount = i + 1; 128 } 129 measured += width; 130 } 131 132 if (jmeasured && env->GetArrayLength(jmeasured) > 0) { 133 AutoJavaFloatArray autoMeasured(env, jmeasured, 1); 134 jfloat* array = autoMeasured.ptr(); 135 array[0] = measured; 136 } 137 return measuredCount; 138 } 139 140 static jint breakTextC(JNIEnv* env, jobject clazz, jlong paintHandle, jlong typefaceHandle, 141 jcharArray jtext, jint index, jint count, jfloat maxWidth, jint bidiFlags, 142 jfloatArray jmeasuredWidth) { 143 NPE_CHECK_RETURN_ZERO(env, jtext); 144 145 Paint* paint = reinterpret_cast<Paint*>(paintHandle); 146 Typeface* typeface = reinterpret_cast<Typeface*>(typefaceHandle); 147 148 bool forwardTextDirection; 149 if (count < 0) { 150 forwardTextDirection = false; 151 count = -count; 152 } 153 else { 154 forwardTextDirection = true; 155 } 156 157 if ((index < 0) || (index + count > env->GetArrayLength(jtext))) { 158 doThrowAIOOBE(env); 159 return 0; 160 } 161 162 const jchar* text = env->GetCharArrayElements(jtext, nullptr); 163 count = breakText(env, *paint, typeface, text + index, count, maxWidth, 164 bidiFlags, jmeasuredWidth, forwardTextDirection); 165 env->ReleaseCharArrayElements(jtext, const_cast<jchar*>(text), 166 JNI_ABORT); 167 return count; 168 } 169 170 static jint breakTextS(JNIEnv* env, jobject clazz, jlong paintHandle, jlong typefaceHandle, jstring jtext, 171 jboolean forwards, jfloat maxWidth, jint bidiFlags, jfloatArray jmeasuredWidth) { 172 NPE_CHECK_RETURN_ZERO(env, jtext); 173 174 Paint* paint = reinterpret_cast<Paint*>(paintHandle); 175 Typeface* typeface = reinterpret_cast<Typeface*>(typefaceHandle); 176 177 int count = env->GetStringLength(jtext); 178 const jchar* text = env->GetStringChars(jtext, nullptr); 179 count = breakText(env, *paint, typeface, text, count, maxWidth, bidiFlags, jmeasuredWidth, forwards); 180 env->ReleaseStringChars(jtext, text); 181 return count; 182 } 183 184 static jfloat doTextAdvances(JNIEnv *env, Paint *paint, Typeface* typeface, 185 const jchar *text, jint start, jint count, jint contextCount, jint bidiFlags, 186 jfloatArray advances, jint advancesIndex) { 187 NPE_CHECK_RETURN_ZERO(env, text); 188 189 if ((start | count | contextCount | advancesIndex) < 0 || contextCount < count) { 190 doThrowAIOOBE(env); 191 return 0; 192 } 193 if (count == 0) { 194 return 0; 195 } 196 if (advances) { 197 size_t advancesLength = env->GetArrayLength(advances); 198 if ((size_t)(count + advancesIndex) > advancesLength) { 199 doThrowAIOOBE(env); 200 return 0; 201 } 202 } 203 std::unique_ptr<jfloat[]> advancesArray; 204 if (advances) { 205 advancesArray.reset(new jfloat[count]); 206 } 207 const float advance = MinikinUtils::measureText(paint, bidiFlags, typeface, text, 208 start, count, contextCount, advancesArray.get()); 209 if (advances) { 210 env->SetFloatArrayRegion(advances, advancesIndex, count, advancesArray.get()); 211 } 212 return advance; 213 } 214 215 static jfloat getTextAdvances___CIIIII_FI(JNIEnv* env, jobject clazz, jlong paintHandle, 216 jlong typefaceHandle, 217 jcharArray text, jint index, jint count, jint contextIndex, jint contextCount, 218 jint bidiFlags, jfloatArray advances, jint advancesIndex) { 219 Paint* paint = reinterpret_cast<Paint*>(paintHandle); 220 Typeface* typeface = reinterpret_cast<Typeface*>(typefaceHandle); 221 jchar* textArray = env->GetCharArrayElements(text, nullptr); 222 jfloat result = doTextAdvances(env, paint, typeface, textArray + contextIndex, 223 index - contextIndex, count, contextCount, bidiFlags, advances, advancesIndex); 224 env->ReleaseCharArrayElements(text, textArray, JNI_ABORT); 225 return result; 226 } 227 228 static jfloat getTextAdvances__StringIIIII_FI(JNIEnv* env, jobject clazz, jlong paintHandle, 229 jlong typefaceHandle, 230 jstring text, jint start, jint end, jint contextStart, jint contextEnd, jint bidiFlags, 231 jfloatArray advances, jint advancesIndex) { 232 Paint* paint = reinterpret_cast<Paint*>(paintHandle); 233 Typeface* typeface = reinterpret_cast<Typeface*>(typefaceHandle); 234 const jchar* textArray = env->GetStringChars(text, nullptr); 235 jfloat result = doTextAdvances(env, paint, typeface, textArray + contextStart, 236 start - contextStart, end - start, contextEnd - contextStart, bidiFlags, 237 advances, advancesIndex); 238 env->ReleaseStringChars(text, textArray); 239 return result; 240 } 241 242 static jint doTextRunCursor(JNIEnv *env, Paint* paint, Typeface* typeface, const jchar *text, 243 jint start, jint count, jint dir, jint offset, jint opt) { 244 minikin::GraphemeBreak::MoveOpt moveOpt = minikin::GraphemeBreak::MoveOpt(opt); 245 int bidiFlags = dir == 1 ? minikin::kBidi_Force_RTL : minikin::kBidi_Force_LTR; 246 std::unique_ptr<float[]> advancesArray(new float[count]); 247 MinikinUtils::measureText(paint, bidiFlags, typeface, text, start, count, start + count, 248 advancesArray.get()); 249 size_t result = minikin::GraphemeBreak::getTextRunCursor(advancesArray.get(), text, 250 start, count, offset, moveOpt); 251 return static_cast<jint>(result); 252 } 253 254 static jint getTextRunCursor___C(JNIEnv* env, jobject clazz, jlong paintHandle, 255 jlong typefaceHandle, jcharArray text, jint contextStart, jint contextCount, jint dir, 256 jint offset, jint cursorOpt) { 257 Paint* paint = reinterpret_cast<Paint*>(paintHandle); 258 Typeface* typeface = reinterpret_cast<Typeface*>(typefaceHandle); 259 jchar* textArray = env->GetCharArrayElements(text, nullptr); 260 jint result = doTextRunCursor(env, paint, typeface, textArray, 261 contextStart, contextCount, dir, offset, cursorOpt); 262 env->ReleaseCharArrayElements(text, textArray, JNI_ABORT); 263 return result; 264 } 265 266 static jint getTextRunCursor__String(JNIEnv* env, jobject clazz, jlong paintHandle, 267 jlong typefaceHandle, jstring text, jint contextStart, jint contextEnd, jint dir, 268 jint offset, jint cursorOpt) { 269 Paint* paint = reinterpret_cast<Paint*>(paintHandle); 270 Typeface* typeface = reinterpret_cast<Typeface*>(typefaceHandle); 271 const jchar* textArray = env->GetStringChars(text, nullptr); 272 jint result = doTextRunCursor(env, paint, typeface, textArray, 273 contextStart, contextEnd - contextStart, dir, offset, cursorOpt); 274 env->ReleaseStringChars(text, textArray); 275 return result; 276 } 277 278 class GetTextFunctor { 279 public: 280 GetTextFunctor(const minikin::Layout& layout, SkPath* path, jfloat x, jfloat y, 281 Paint* paint, uint16_t* glyphs, SkPoint* pos) 282 : layout(layout), path(path), x(x), y(y), paint(paint), glyphs(glyphs), pos(pos) { 283 } 284 285 void operator()(size_t start, size_t end) { 286 for (size_t i = start; i < end; i++) { 287 glyphs[i] = layout.getGlyphId(i); 288 pos[i].fX = x + layout.getX(i); 289 pos[i].fY = y + layout.getY(i); 290 } 291 if (start == 0) { 292 paint->getPosTextPath(glyphs + start, (end - start) << 1, pos + start, path); 293 } else { 294 paint->getPosTextPath(glyphs + start, (end - start) << 1, pos + start, &tmpPath); 295 path->addPath(tmpPath); 296 } 297 } 298 private: 299 const minikin::Layout& layout; 300 SkPath* path; 301 jfloat x; 302 jfloat y; 303 Paint* paint; 304 uint16_t* glyphs; 305 SkPoint* pos; 306 SkPath tmpPath; 307 }; 308 309 static void getTextPath(JNIEnv* env, Paint* paint, Typeface* typeface, const jchar* text, 310 jint count, jint bidiFlags, jfloat x, jfloat y, SkPath* path) { 311 minikin::Layout layout = MinikinUtils::doLayout( 312 paint, bidiFlags, typeface, text, 0, count, count); 313 size_t nGlyphs = layout.nGlyphs(); 314 uint16_t* glyphs = new uint16_t[nGlyphs]; 315 SkPoint* pos = new SkPoint[nGlyphs]; 316 317 x += MinikinUtils::xOffsetForTextAlign(paint, layout); 318 Paint::Align align = paint->getTextAlign(); 319 paint->setTextAlign(Paint::kLeft_Align); 320 paint->setTextEncoding(Paint::kGlyphID_TextEncoding); 321 GetTextFunctor f(layout, path, x, y, paint, glyphs, pos); 322 MinikinUtils::forFontRun(layout, paint, f); 323 paint->setTextAlign(align); 324 delete[] glyphs; 325 delete[] pos; 326 } 327 328 static void getTextPath___C(JNIEnv* env, jobject clazz, jlong paintHandle, 329 jlong typefaceHandle, jint bidiFlags, 330 jcharArray text, jint index, jint count, jfloat x, jfloat y, jlong pathHandle) { 331 Paint* paint = reinterpret_cast<Paint*>(paintHandle); 332 Typeface* typeface = reinterpret_cast<Typeface*>(typefaceHandle); 333 SkPath* path = reinterpret_cast<SkPath*>(pathHandle); 334 const jchar* textArray = env->GetCharArrayElements(text, nullptr); 335 getTextPath(env, paint, typeface, textArray + index, count, bidiFlags, x, y, path); 336 env->ReleaseCharArrayElements(text, const_cast<jchar*>(textArray), JNI_ABORT); 337 } 338 339 static void getTextPath__String(JNIEnv* env, jobject clazz, jlong paintHandle, 340 jlong typefaceHandle, jint bidiFlags, 341 jstring text, jint start, jint end, jfloat x, jfloat y, jlong pathHandle) { 342 Paint* paint = reinterpret_cast<Paint*>(paintHandle); 343 Typeface* typeface = reinterpret_cast<Typeface*>(typefaceHandle); 344 SkPath* path = reinterpret_cast<SkPath*>(pathHandle); 345 const jchar* textArray = env->GetStringChars(text, nullptr); 346 getTextPath(env, paint, typeface, textArray + start, end - start, bidiFlags, x, y, path); 347 env->ReleaseStringChars(text, textArray); 348 } 349 350 static void doTextBounds(JNIEnv* env, const jchar* text, int count, jobject bounds, 351 const Paint& paint, Typeface* typeface, jint bidiFlags) { 352 SkRect r; 353 SkIRect ir; 354 355 minikin::Layout layout = MinikinUtils::doLayout( 356 &paint, bidiFlags, typeface, text, 0, count, count); 357 minikin::MinikinRect rect; 358 layout.getBounds(&rect); 359 r.fLeft = rect.mLeft; 360 r.fTop = rect.mTop; 361 r.fRight = rect.mRight; 362 r.fBottom = rect.mBottom; 363 r.roundOut(&ir); 364 GraphicsJNI::irect_to_jrect(ir, env, bounds); 365 } 366 367 static void getStringBounds(JNIEnv* env, jobject, jlong paintHandle, jlong typefaceHandle, 368 jstring text, jint start, jint end, jint bidiFlags, jobject bounds) { 369 const Paint* paint = reinterpret_cast<Paint*>(paintHandle); 370 Typeface* typeface = reinterpret_cast<Typeface*>(typefaceHandle); 371 const jchar* textArray = env->GetStringChars(text, nullptr); 372 doTextBounds(env, textArray + start, end - start, bounds, *paint, typeface, bidiFlags); 373 env->ReleaseStringChars(text, textArray); 374 } 375 376 static void getCharArrayBounds(JNIEnv* env, jobject, jlong paintHandle, jlong typefaceHandle, 377 jcharArray text, jint index, jint count, jint bidiFlags, jobject bounds) { 378 const Paint* paint = reinterpret_cast<Paint*>(paintHandle); 379 Typeface* typeface = reinterpret_cast<Typeface*>(typefaceHandle); 380 const jchar* textArray = env->GetCharArrayElements(text, nullptr); 381 doTextBounds(env, textArray + index, count, bounds, *paint, typeface, bidiFlags); 382 env->ReleaseCharArrayElements(text, const_cast<jchar*>(textArray), 383 JNI_ABORT); 384 } 385 386 // Returns true if the given string is exact one pair of regional indicators. 387 static bool isFlag(const jchar* str, size_t length) { 388 const jchar RI_LEAD_SURROGATE = 0xD83C; 389 const jchar RI_TRAIL_SURROGATE_MIN = 0xDDE6; 390 const jchar RI_TRAIL_SURROGATE_MAX = 0xDDFF; 391 392 if (length != 4) { 393 return false; 394 } 395 if (str[0] != RI_LEAD_SURROGATE || str[2] != RI_LEAD_SURROGATE) { 396 return false; 397 } 398 return RI_TRAIL_SURROGATE_MIN <= str[1] && str[1] <= RI_TRAIL_SURROGATE_MAX && 399 RI_TRAIL_SURROGATE_MIN <= str[3] && str[3] <= RI_TRAIL_SURROGATE_MAX; 400 } 401 402 static jboolean layoutContainsNotdef(const minikin::Layout& layout) { 403 for (size_t i = 0; i < layout.nGlyphs(); i++) { 404 if (layout.getGlyphId(i) == 0) { 405 return true; 406 } 407 } 408 return false; 409 } 410 411 // Don't count glyphs that are the recommended "space" glyph and are zero width. 412 // This logic makes assumptions about HarfBuzz layout, but does correctly handle 413 // cases where ligatures form and zero width space glyphs are left in as 414 // placeholders. 415 static size_t countNonSpaceGlyphs(const minikin::Layout& layout) { 416 size_t count = 0; 417 static unsigned int kSpaceGlyphId = 3; 418 for (size_t i = 0; i < layout.nGlyphs(); i++) { 419 if (layout.getGlyphId(i) != kSpaceGlyphId || layout.getCharAdvance(i) != 0.0) { 420 count++; 421 } 422 } 423 return count; 424 } 425 426 static jboolean hasGlyph(JNIEnv *env, jclass, jlong paintHandle, jlong typefaceHandle, 427 jint bidiFlags, jstring string) { 428 const Paint* paint = reinterpret_cast<Paint*>(paintHandle); 429 Typeface* typeface = reinterpret_cast<Typeface*>(typefaceHandle); 430 ScopedStringChars str(env, string); 431 432 /* Start by rejecting unsupported base code point and variation selector pairs. */ 433 size_t nChars = 0; 434 const uint32_t kStartOfString = 0xFFFFFFFF; 435 uint32_t prevCp = kStartOfString; 436 for (size_t i = 0; i < str.size(); i++) { 437 jchar cu = str[i]; 438 uint32_t cp = cu; 439 if (U16_IS_TRAIL(cu)) { 440 // invalid UTF-16, unpaired trailing surrogate 441 return false; 442 } else if (U16_IS_LEAD(cu)) { 443 if (i + 1 == str.size()) { 444 // invalid UTF-16, unpaired leading surrogate at end of string 445 return false; 446 } 447 i++; 448 jchar cu2 = str[i]; 449 if (!U16_IS_TRAIL(cu2)) { 450 // invalid UTF-16, unpaired leading surrogate 451 return false; 452 } 453 cp = U16_GET_SUPPLEMENTARY(cu, cu2); 454 } 455 456 if (prevCp != kStartOfString && 457 ((0xFE00 <= cp && cp <= 0xFE0F) || (0xE0100 <= cp && cp <= 0xE01EF))) { 458 bool hasVS = MinikinUtils::hasVariationSelector(typeface, prevCp, cp); 459 if (!hasVS) { 460 // No font has a glyph for the code point and variation selector pair. 461 return false; 462 } else if (nChars == 1 && i + 1 == str.size()) { 463 // The string is just a codepoint and a VS, we have an authoritative answer 464 return true; 465 } 466 } 467 nChars++; 468 prevCp = cp; 469 } 470 minikin::Layout layout = MinikinUtils::doLayout( 471 paint, bidiFlags, typeface, str.get(), 0, str.size(), str.size()); 472 size_t nGlyphs = countNonSpaceGlyphs(layout); 473 if (nGlyphs != 1 && nChars > 1) { 474 // multiple-character input, and was not a ligature 475 // TODO: handle ZWJ/ZWNJ characters specially so we can detect certain ligatures 476 // in joining scripts, such as Arabic and Mongolian. 477 return false; 478 } 479 480 if (nGlyphs == 0 || layoutContainsNotdef(layout)) { 481 return false; // The collection doesn't have a glyph. 482 } 483 484 if (nChars == 2 && isFlag(str.get(), str.size())) { 485 // Some font may have a special glyph for unsupported regional indicator pairs. 486 // To return false for this case, need to compare the glyph id with the one of ZZ 487 // since ZZ is reserved for unknown or invalid territory. 488 // U+1F1FF (REGIONAL INDICATOR SYMBOL LETTER Z) is \uD83C\uDDFF in UTF16. 489 static const jchar ZZ_FLAG_STR[] = { 0xD83C, 0xDDFF, 0xD83C, 0xDDFF }; 490 minikin::Layout zzLayout = MinikinUtils::doLayout( 491 paint, bidiFlags, typeface, ZZ_FLAG_STR, 0, 4, 4); 492 if (zzLayout.nGlyphs() != 1 || layoutContainsNotdef(zzLayout)) { 493 // The font collection doesn't have a glyph for unknown flag. Just return true. 494 return true; 495 } 496 return zzLayout.getGlyphId(0) != layout.getGlyphId(0); 497 } 498 return true; 499 } 500 501 static jfloat doRunAdvance(const Paint* paint, Typeface* typeface, const jchar buf[], 502 jint start, jint count, jint bufSize, jboolean isRtl, jint offset) { 503 int bidiFlags = isRtl ? minikin::kBidi_Force_RTL : minikin::kBidi_Force_LTR; 504 if (offset == start + count) { 505 return MinikinUtils::measureText(paint, bidiFlags, typeface, buf, start, count, 506 bufSize, nullptr); 507 } 508 std::unique_ptr<float[]> advancesArray(new float[count]); 509 MinikinUtils::measureText(paint, bidiFlags, typeface, buf, start, count, bufSize, 510 advancesArray.get()); 511 return minikin::getRunAdvance(advancesArray.get(), buf, start, count, offset); 512 } 513 514 static jfloat getRunAdvance___CIIIIZI_F(JNIEnv *env, jclass, jlong paintHandle, 515 jlong typefaceHandle, jcharArray text, jint start, jint end, jint contextStart, 516 jint contextEnd, jboolean isRtl, jint offset) { 517 const Paint* paint = reinterpret_cast<Paint*>(paintHandle); 518 Typeface* typeface = reinterpret_cast<Typeface*>(typefaceHandle); 519 jchar* textArray = (jchar*) env->GetPrimitiveArrayCritical(text, nullptr); 520 jfloat result = doRunAdvance(paint, typeface, textArray + contextStart, 521 start - contextStart, end - start, contextEnd - contextStart, isRtl, 522 offset - contextStart); 523 env->ReleasePrimitiveArrayCritical(text, textArray, JNI_ABORT); 524 return result; 525 } 526 527 static jint doOffsetForAdvance(const Paint* paint, Typeface* typeface, const jchar buf[], 528 jint start, jint count, jint bufSize, jboolean isRtl, jfloat advance) { 529 int bidiFlags = isRtl ? minikin::kBidi_Force_RTL : minikin::kBidi_Force_LTR; 530 std::unique_ptr<float[]> advancesArray(new float[count]); 531 MinikinUtils::measureText(paint, bidiFlags, typeface, buf, start, count, bufSize, 532 advancesArray.get()); 533 return minikin::getOffsetForAdvance(advancesArray.get(), buf, start, count, advance); 534 } 535 536 static jint getOffsetForAdvance___CIIIIZF_I(JNIEnv *env, jclass, jlong paintHandle, 537 jlong typefaceHandle, jcharArray text, jint start, jint end, jint contextStart, 538 jint contextEnd, jboolean isRtl, jfloat advance) { 539 const Paint* paint = reinterpret_cast<Paint*>(paintHandle); 540 Typeface* typeface = reinterpret_cast<Typeface*>(typefaceHandle); 541 jchar* textArray = (jchar*) env->GetPrimitiveArrayCritical(text, nullptr); 542 jint result = doOffsetForAdvance(paint, typeface, textArray + contextStart, 543 start - contextStart, end - start, contextEnd - contextStart, isRtl, advance); 544 result += contextStart; 545 env->ReleasePrimitiveArrayCritical(text, textArray, JNI_ABORT); 546 return result; 547 } 548 549 // ------------------ @FastNative --------------------------- 550 551 static jint setTextLocales(JNIEnv* env, jobject clazz, jlong objHandle, jstring locales) { 552 Paint* obj = reinterpret_cast<Paint*>(objHandle); 553 ScopedUtfChars localesChars(env, locales); 554 jint minikinLangListId = minikin::FontStyle::registerLanguageList(localesChars.c_str()); 555 obj->setMinikinLangListId(minikinLangListId); 556 return minikinLangListId; 557 } 558 559 static void setFontFeatureSettings(JNIEnv* env, jobject clazz, jlong paintHandle, jstring settings) { 560 Paint* paint = reinterpret_cast<Paint*>(paintHandle); 561 if (!settings) { 562 paint->setFontFeatureSettings(std::string()); 563 } else { 564 ScopedUtfChars settingsChars(env, settings); 565 paint->setFontFeatureSettings(std::string(settingsChars.c_str(), settingsChars.size())); 566 } 567 } 568 569 static SkScalar getMetricsInternal(jlong paintHandle, jlong typefaceHandle, 570 Paint::FontMetrics *metrics) { 571 const int kElegantTop = 2500; 572 const int kElegantBottom = -1000; 573 const int kElegantAscent = 1900; 574 const int kElegantDescent = -500; 575 const int kElegantLeading = 0; 576 Paint* paint = reinterpret_cast<Paint*>(paintHandle); 577 Typeface* typeface = reinterpret_cast<Typeface*>(typefaceHandle); 578 typeface = Typeface::resolveDefault(typeface); 579 minikin::FakedFont baseFont = typeface->fFontCollection->baseFontFaked(typeface->fStyle); 580 float saveSkewX = paint->getTextSkewX(); 581 bool savefakeBold = paint->isFakeBoldText(); 582 MinikinFontSkia::populateSkPaint(paint, baseFont.font, baseFont.fakery); 583 SkScalar spacing = paint->getFontMetrics(metrics); 584 // The populateSkPaint call may have changed fake bold / text skew 585 // because we want to measure with those effects applied, so now 586 // restore the original settings. 587 paint->setTextSkewX(saveSkewX); 588 paint->setFakeBoldText(savefakeBold); 589 if (paint->getFontVariant() == minikin::VARIANT_ELEGANT) { 590 SkScalar size = paint->getTextSize(); 591 metrics->fTop = -size * kElegantTop / 2048; 592 metrics->fBottom = -size * kElegantBottom / 2048; 593 metrics->fAscent = -size * kElegantAscent / 2048; 594 metrics->fDescent = -size * kElegantDescent / 2048; 595 metrics->fLeading = size * kElegantLeading / 2048; 596 spacing = metrics->fDescent - metrics->fAscent + metrics->fLeading; 597 } 598 return spacing; 599 } 600 601 static jfloat getFontMetrics(JNIEnv* env, jobject, jlong paintHandle, 602 jlong typefaceHandle, jobject metricsObj) { 603 Paint::FontMetrics metrics; 604 SkScalar spacing = getMetricsInternal(paintHandle, typefaceHandle, &metrics); 605 606 if (metricsObj) { 607 SkASSERT(env->IsInstanceOf(metricsObj, gFontMetrics_class)); 608 env->SetFloatField(metricsObj, gFontMetrics_fieldID.top, SkScalarToFloat(metrics.fTop)); 609 env->SetFloatField(metricsObj, gFontMetrics_fieldID.ascent, SkScalarToFloat(metrics.fAscent)); 610 env->SetFloatField(metricsObj, gFontMetrics_fieldID.descent, SkScalarToFloat(metrics.fDescent)); 611 env->SetFloatField(metricsObj, gFontMetrics_fieldID.bottom, SkScalarToFloat(metrics.fBottom)); 612 env->SetFloatField(metricsObj, gFontMetrics_fieldID.leading, SkScalarToFloat(metrics.fLeading)); 613 } 614 return SkScalarToFloat(spacing); 615 } 616 617 static jint getFontMetricsInt(JNIEnv* env, jobject, jlong paintHandle, 618 jlong typefaceHandle, jobject metricsObj) { 619 Paint::FontMetrics metrics; 620 621 getMetricsInternal(paintHandle, typefaceHandle, &metrics); 622 int ascent = SkScalarRoundToInt(metrics.fAscent); 623 int descent = SkScalarRoundToInt(metrics.fDescent); 624 int leading = SkScalarRoundToInt(metrics.fLeading); 625 626 if (metricsObj) { 627 SkASSERT(env->IsInstanceOf(metricsObj, gFontMetricsInt_class)); 628 env->SetIntField(metricsObj, gFontMetricsInt_fieldID.top, SkScalarFloorToInt(metrics.fTop)); 629 env->SetIntField(metricsObj, gFontMetricsInt_fieldID.ascent, ascent); 630 env->SetIntField(metricsObj, gFontMetricsInt_fieldID.descent, descent); 631 env->SetIntField(metricsObj, gFontMetricsInt_fieldID.bottom, SkScalarCeilToInt(metrics.fBottom)); 632 env->SetIntField(metricsObj, gFontMetricsInt_fieldID.leading, leading); 633 } 634 return descent - ascent + leading; 635 } 636 637 638 // ------------------ @CriticalNative --------------------------- 639 640 static void reset(jlong objHandle) { 641 Paint* obj = reinterpret_cast<Paint*>(objHandle); 642 obj->reset(); 643 defaultSettingsForAndroid(obj); 644 } 645 646 static void assign(jlong dstPaintHandle, jlong srcPaintHandle) { 647 Paint* dst = reinterpret_cast<Paint*>(dstPaintHandle); 648 const Paint* src = reinterpret_cast<Paint*>(srcPaintHandle); 649 *dst = *src; 650 } 651 652 // Equivalent to the Java Paint's FILTER_BITMAP_FLAG. 653 static const uint32_t sFilterBitmapFlag = 0x02; 654 655 static jint getFlags(jlong paintHandle) { 656 Paint* nativePaint = reinterpret_cast<Paint*>(paintHandle); 657 uint32_t result = nativePaint->getFlags(); 658 result &= ~sFilterBitmapFlag; // Filtering no longer stored in this bit. Mask away. 659 if (nativePaint->getFilterQuality() != kNone_SkFilterQuality) { 660 result |= sFilterBitmapFlag; 661 } 662 return static_cast<jint>(result); 663 } 664 665 static void setFlags(jlong paintHandle, jint flags) { 666 Paint* nativePaint = reinterpret_cast<Paint*>(paintHandle); 667 // Instead of modifying 0x02, change the filter level. 668 nativePaint->setFilterQuality(flags & sFilterBitmapFlag 669 ? kLow_SkFilterQuality 670 : kNone_SkFilterQuality); 671 // Don't pass through filter flag, which is no longer stored in paint's flags. 672 flags &= ~sFilterBitmapFlag; 673 // Use the existing value for 0x02. 674 const uint32_t existing0x02Flag = nativePaint->getFlags() & sFilterBitmapFlag; 675 flags |= existing0x02Flag; 676 nativePaint->setFlags(flags); 677 } 678 679 static jint getHinting(jlong paintHandle) { 680 return reinterpret_cast<Paint*>(paintHandle)->getHinting() 681 == Paint::kNo_Hinting ? 0 : 1; 682 } 683 684 static void setHinting(jlong paintHandle, jint mode) { 685 reinterpret_cast<Paint*>(paintHandle)->setHinting( 686 mode == 0 ? Paint::kNo_Hinting : Paint::kNormal_Hinting); 687 } 688 689 static void setAntiAlias(jlong paintHandle, jboolean aa) { 690 reinterpret_cast<Paint*>(paintHandle)->setAntiAlias(aa); 691 } 692 693 static void setLinearText(jlong paintHandle, jboolean linearText) { 694 reinterpret_cast<Paint*>(paintHandle)->setLinearText(linearText); 695 } 696 697 static void setSubpixelText(jlong paintHandle, jboolean subpixelText) { 698 reinterpret_cast<Paint*>(paintHandle)->setSubpixelText(subpixelText); 699 } 700 701 static void setUnderlineText(jlong paintHandle, jboolean underlineText) { 702 Paint* paint = reinterpret_cast<Paint*>(paintHandle); 703 uint32_t flags = paint->getFlags(); 704 if (underlineText) { 705 flags |= Paint::kUnderlineText_ReserveFlag; 706 } else { 707 flags &= ~Paint::kUnderlineText_ReserveFlag; 708 } 709 paint->setFlags(flags); 710 } 711 712 static void setStrikeThruText(jlong paintHandle, jboolean strikeThruText) { 713 Paint* paint = reinterpret_cast<Paint*>(paintHandle); 714 uint32_t flags = paint->getFlags(); 715 if (strikeThruText) { 716 flags |= Paint::kStrikeThruText_ReserveFlag; 717 } else { 718 flags &= ~Paint::kStrikeThruText_ReserveFlag; 719 } 720 paint->setFlags(flags); 721 } 722 723 static void setFakeBoldText(jlong paintHandle, jboolean fakeBoldText) { 724 reinterpret_cast<Paint*>(paintHandle)->setFakeBoldText(fakeBoldText); 725 } 726 727 static void setFilterBitmap(jlong paintHandle, jboolean filterBitmap) { 728 reinterpret_cast<Paint*>(paintHandle)->setFilterQuality( 729 filterBitmap ? kLow_SkFilterQuality : kNone_SkFilterQuality); 730 } 731 732 static void setDither(jlong paintHandle, jboolean dither) { 733 reinterpret_cast<Paint*>(paintHandle)->setDither(dither); 734 } 735 736 static jint getStyle(jlong objHandle) { 737 Paint* obj = reinterpret_cast<Paint*>(objHandle); 738 return static_cast<jint>(obj->getStyle()); 739 } 740 741 static void setStyle(jlong objHandle, jint styleHandle) { 742 Paint* obj = reinterpret_cast<Paint*>(objHandle); 743 Paint::Style style = static_cast<Paint::Style>(styleHandle); 744 obj->setStyle(style); 745 } 746 747 static jint getColor(jlong paintHandle) { 748 int color; 749 color = reinterpret_cast<Paint*>(paintHandle)->getColor(); 750 return static_cast<jint>(color); 751 } 752 753 static jint getAlpha(jlong paintHandle) { 754 int alpha; 755 alpha = reinterpret_cast<Paint*>(paintHandle)->getAlpha(); 756 return static_cast<jint>(alpha); 757 } 758 759 static void setColor(jlong paintHandle, jint color) { 760 reinterpret_cast<Paint*>(paintHandle)->setColor(color); 761 } 762 763 static void setAlpha(jlong paintHandle, jint a) { 764 reinterpret_cast<Paint*>(paintHandle)->setAlpha(a); 765 } 766 767 static jfloat getStrokeWidth(jlong paintHandle) { 768 return SkScalarToFloat(reinterpret_cast<Paint*>(paintHandle)->getStrokeWidth()); 769 } 770 771 static void setStrokeWidth(jlong paintHandle, jfloat width) { 772 reinterpret_cast<Paint*>(paintHandle)->setStrokeWidth(width); 773 } 774 775 static jfloat getStrokeMiter(jlong paintHandle) { 776 return SkScalarToFloat(reinterpret_cast<Paint*>(paintHandle)->getStrokeMiter()); 777 } 778 779 static void setStrokeMiter(jlong paintHandle, jfloat miter) { 780 reinterpret_cast<Paint*>(paintHandle)->setStrokeMiter(miter); 781 } 782 783 static jint getStrokeCap(jlong objHandle) { 784 Paint* obj = reinterpret_cast<Paint*>(objHandle); 785 return static_cast<jint>(obj->getStrokeCap()); 786 } 787 788 static void setStrokeCap(jlong objHandle, jint capHandle) { 789 Paint* obj = reinterpret_cast<Paint*>(objHandle); 790 Paint::Cap cap = static_cast<Paint::Cap>(capHandle); 791 obj->setStrokeCap(cap); 792 } 793 794 static jint getStrokeJoin(jlong objHandle) { 795 Paint* obj = reinterpret_cast<Paint*>(objHandle); 796 return static_cast<jint>(obj->getStrokeJoin()); 797 } 798 799 static void setStrokeJoin(jlong objHandle, jint joinHandle) { 800 Paint* obj = reinterpret_cast<Paint*>(objHandle); 801 Paint::Join join = (Paint::Join) joinHandle; 802 obj->setStrokeJoin(join); 803 } 804 805 static jboolean getFillPath(jlong objHandle, jlong srcHandle, jlong dstHandle) { 806 Paint* obj = reinterpret_cast<Paint*>(objHandle); 807 SkPath* src = reinterpret_cast<SkPath*>(srcHandle); 808 SkPath* dst = reinterpret_cast<SkPath*>(dstHandle); 809 return obj->getFillPath(*src, dst) ? JNI_TRUE : JNI_FALSE; 810 } 811 812 static jlong setShader(jlong objHandle, jlong shaderHandle) { 813 Paint* obj = reinterpret_cast<Paint*>(objHandle); 814 SkShader* shader = reinterpret_cast<SkShader*>(shaderHandle); 815 obj->setShader(sk_ref_sp(shader)); 816 return reinterpret_cast<jlong>(obj->getShader()); 817 } 818 819 static jlong setColorFilter(jlong objHandle, jlong filterHandle) { 820 Paint* obj = reinterpret_cast<Paint *>(objHandle); 821 SkColorFilter* filter = reinterpret_cast<SkColorFilter *>(filterHandle); 822 obj->setColorFilter(sk_ref_sp(filter)); 823 return reinterpret_cast<jlong>(obj->getColorFilter()); 824 } 825 826 static void setXfermode(jlong paintHandle, jint xfermodeHandle) { 827 // validate that the Java enum values match our expectations 828 static_assert(0 == static_cast<int>(SkBlendMode::kClear), "xfermode_mismatch"); 829 static_assert(1 == static_cast<int>(SkBlendMode::kSrc), "xfermode_mismatch"); 830 static_assert(2 == static_cast<int>(SkBlendMode::kDst), "xfermode_mismatch"); 831 static_assert(3 == static_cast<int>(SkBlendMode::kSrcOver), "xfermode_mismatch"); 832 static_assert(4 == static_cast<int>(SkBlendMode::kDstOver), "xfermode_mismatch"); 833 static_assert(5 == static_cast<int>(SkBlendMode::kSrcIn), "xfermode_mismatch"); 834 static_assert(6 == static_cast<int>(SkBlendMode::kDstIn), "xfermode_mismatch"); 835 static_assert(7 == static_cast<int>(SkBlendMode::kSrcOut), "xfermode_mismatch"); 836 static_assert(8 == static_cast<int>(SkBlendMode::kDstOut), "xfermode_mismatch"); 837 static_assert(9 == static_cast<int>(SkBlendMode::kSrcATop), "xfermode_mismatch"); 838 static_assert(10 == static_cast<int>(SkBlendMode::kDstATop), "xfermode_mismatch"); 839 static_assert(11 == static_cast<int>(SkBlendMode::kXor), "xfermode_mismatch"); 840 static_assert(16 == static_cast<int>(SkBlendMode::kDarken), "xfermode_mismatch"); 841 static_assert(17 == static_cast<int>(SkBlendMode::kLighten), "xfermode_mismatch"); 842 static_assert(13 == static_cast<int>(SkBlendMode::kModulate), "xfermode_mismatch"); 843 static_assert(14 == static_cast<int>(SkBlendMode::kScreen), "xfermode_mismatch"); 844 static_assert(12 == static_cast<int>(SkBlendMode::kPlus), "xfermode_mismatch"); 845 static_assert(15 == static_cast<int>(SkBlendMode::kOverlay), "xfermode_mismatch"); 846 847 SkBlendMode mode = static_cast<SkBlendMode>(xfermodeHandle); 848 Paint* paint = reinterpret_cast<Paint*>(paintHandle); 849 paint->setBlendMode(mode); 850 } 851 852 static jlong setPathEffect(jlong objHandle, jlong effectHandle) { 853 Paint* obj = reinterpret_cast<Paint*>(objHandle); 854 SkPathEffect* effect = reinterpret_cast<SkPathEffect*>(effectHandle); 855 obj->setPathEffect(sk_ref_sp(effect)); 856 return reinterpret_cast<jlong>(obj->getPathEffect()); 857 } 858 859 static jlong setMaskFilter(jlong objHandle, jlong maskfilterHandle) { 860 Paint* obj = reinterpret_cast<Paint*>(objHandle); 861 SkMaskFilter* maskfilter = reinterpret_cast<SkMaskFilter*>(maskfilterHandle); 862 obj->setMaskFilter(sk_ref_sp(maskfilter)); 863 return reinterpret_cast<jlong>(obj->getMaskFilter()); 864 } 865 866 static jlong setTypeface(jlong objHandle, jlong typefaceHandle) { 867 // TODO: in Paint refactoring, set typeface on android Paint, not Paint 868 return 0; 869 } 870 871 static jint getTextAlign(jlong objHandle) { 872 Paint* obj = reinterpret_cast<Paint*>(objHandle); 873 return static_cast<jint>(obj->getTextAlign()); 874 } 875 876 static void setTextAlign(jlong objHandle, jint alignHandle) { 877 Paint* obj = reinterpret_cast<Paint*>(objHandle); 878 Paint::Align align = static_cast<Paint::Align>(alignHandle); 879 obj->setTextAlign(align); 880 } 881 882 static void setTextLocalesByMinikinLangListId(jlong objHandle, 883 jint minikinLangListId) { 884 Paint* obj = reinterpret_cast<Paint*>(objHandle); 885 obj->setMinikinLangListId(minikinLangListId); 886 } 887 888 static jboolean isElegantTextHeight(jlong paintHandle) { 889 Paint* obj = reinterpret_cast<Paint*>(paintHandle); 890 return obj->getFontVariant() == minikin::VARIANT_ELEGANT; 891 } 892 893 static void setElegantTextHeight(jlong paintHandle, jboolean aa) { 894 Paint* obj = reinterpret_cast<Paint*>(paintHandle); 895 obj->setFontVariant(aa ? minikin::VARIANT_ELEGANT : minikin::VARIANT_DEFAULT); 896 } 897 898 static jfloat getTextSize(jlong paintHandle) { 899 return SkScalarToFloat(reinterpret_cast<Paint*>(paintHandle)->getTextSize()); 900 } 901 902 static void setTextSize(jlong paintHandle, jfloat textSize) { 903 reinterpret_cast<Paint*>(paintHandle)->setTextSize(textSize); 904 } 905 906 static jfloat getTextScaleX(jlong paintHandle) { 907 return SkScalarToFloat(reinterpret_cast<Paint*>(paintHandle)->getTextScaleX()); 908 } 909 910 static void setTextScaleX(jlong paintHandle, jfloat scaleX) { 911 reinterpret_cast<Paint*>(paintHandle)->setTextScaleX(scaleX); 912 } 913 914 static jfloat getTextSkewX(jlong paintHandle) { 915 return SkScalarToFloat(reinterpret_cast<Paint*>(paintHandle)->getTextSkewX()); 916 } 917 918 static void setTextSkewX(jlong paintHandle, jfloat skewX) { 919 reinterpret_cast<Paint*>(paintHandle)->setTextSkewX(skewX); 920 } 921 922 static jfloat getLetterSpacing(jlong paintHandle) { 923 Paint* paint = reinterpret_cast<Paint*>(paintHandle); 924 return paint->getLetterSpacing(); 925 } 926 927 static void setLetterSpacing(jlong paintHandle, jfloat letterSpacing) { 928 Paint* paint = reinterpret_cast<Paint*>(paintHandle); 929 paint->setLetterSpacing(letterSpacing); 930 } 931 932 static jfloat getWordSpacing(jlong paintHandle) { 933 Paint* paint = reinterpret_cast<Paint*>(paintHandle); 934 return paint->getWordSpacing(); 935 } 936 937 static void setWordSpacing(jlong paintHandle, jfloat wordSpacing) { 938 Paint* paint = reinterpret_cast<Paint*>(paintHandle); 939 paint->setWordSpacing(wordSpacing); 940 } 941 942 static jint getHyphenEdit(jlong paintHandle, jint hyphen) { 943 Paint* paint = reinterpret_cast<Paint*>(paintHandle); 944 return paint->getHyphenEdit(); 945 } 946 947 static void setHyphenEdit(jlong paintHandle, jint hyphen) { 948 Paint* paint = reinterpret_cast<Paint*>(paintHandle); 949 paint->setHyphenEdit((uint32_t)hyphen); 950 } 951 952 static jfloat ascent(jlong paintHandle, jlong typefaceHandle) { 953 Paint::FontMetrics metrics; 954 getMetricsInternal(paintHandle, typefaceHandle, &metrics); 955 return SkScalarToFloat(metrics.fAscent); 956 } 957 958 static jfloat descent(jlong paintHandle, jlong typefaceHandle) { 959 Paint::FontMetrics metrics; 960 getMetricsInternal(paintHandle, typefaceHandle, &metrics); 961 return SkScalarToFloat(metrics.fDescent); 962 } 963 964 static void setShadowLayer(jlong paintHandle, jfloat radius, 965 jfloat dx, jfloat dy, jint color) { 966 Paint* paint = reinterpret_cast<Paint*>(paintHandle); 967 if (radius <= 0) { 968 paint->setLooper(nullptr); 969 } 970 else { 971 SkScalar sigma = android::uirenderer::Blur::convertRadiusToSigma(radius); 972 paint->setLooper(SkBlurDrawLooper::Make((SkColor)color, sigma, dx, dy)); 973 } 974 } 975 976 static jboolean hasShadowLayer(jlong paintHandle) { 977 Paint* paint = reinterpret_cast<Paint*>(paintHandle); 978 return paint->getLooper() && paint->getLooper()->asABlurShadow(nullptr); 979 } 980 981 }; // namespace PaintGlue 982 983 static const JNINativeMethod methods[] = { 984 {"nGetNativeFinalizer", "()J", (void*) PaintGlue::getNativeFinalizer}, 985 {"nInit","()J", (void*) PaintGlue::init}, 986 {"nInitWithPaint","(J)J", (void*) PaintGlue::initWithPaint}, 987 {"nBreakText","(JJ[CIIFI[F)I", (void*) PaintGlue::breakTextC}, 988 {"nBreakText","(JJLjava/lang/String;ZFI[F)I", (void*) PaintGlue::breakTextS}, 989 {"nGetTextAdvances","(JJ[CIIIII[FI)F", 990 (void*) PaintGlue::getTextAdvances___CIIIII_FI}, 991 {"nGetTextAdvances","(JJLjava/lang/String;IIIII[FI)F", 992 (void*) PaintGlue::getTextAdvances__StringIIIII_FI}, 993 994 {"nGetTextRunCursor", "(JJ[CIIIII)I", (void*) PaintGlue::getTextRunCursor___C}, 995 {"nGetTextRunCursor", "(JJLjava/lang/String;IIIII)I", 996 (void*) PaintGlue::getTextRunCursor__String}, 997 {"nGetTextPath", "(JJI[CIIFFJ)V", (void*) PaintGlue::getTextPath___C}, 998 {"nGetTextPath", "(JJILjava/lang/String;IIFFJ)V", (void*) PaintGlue::getTextPath__String}, 999 {"nGetStringBounds", "(JJLjava/lang/String;IIILandroid/graphics/Rect;)V", 1000 (void*) PaintGlue::getStringBounds }, 1001 {"nGetCharArrayBounds", "(JJ[CIIILandroid/graphics/Rect;)V", 1002 (void*) PaintGlue::getCharArrayBounds }, 1003 {"nHasGlyph", "(JJILjava/lang/String;)Z", (void*) PaintGlue::hasGlyph }, 1004 {"nGetRunAdvance", "(JJ[CIIIIZI)F", (void*) PaintGlue::getRunAdvance___CIIIIZI_F}, 1005 {"nGetOffsetForAdvance", "(JJ[CIIIIZF)I", 1006 (void*) PaintGlue::getOffsetForAdvance___CIIIIZF_I}, 1007 1008 // --------------- @FastNative ---------------------- 1009 1010 {"nSetTextLocales","(JLjava/lang/String;)I", (void*) PaintGlue::setTextLocales}, 1011 {"nSetFontFeatureSettings","(JLjava/lang/String;)V", 1012 (void*) PaintGlue::setFontFeatureSettings}, 1013 {"nGetFontMetrics", "(JJLandroid/graphics/Paint$FontMetrics;)F", 1014 (void*)PaintGlue::getFontMetrics}, 1015 {"nGetFontMetricsInt", "(JJLandroid/graphics/Paint$FontMetricsInt;)I", 1016 (void*)PaintGlue::getFontMetricsInt}, 1017 1018 // --------------- @CriticalNative ------------------ 1019 1020 {"nReset","(J)V", (void*) PaintGlue::reset}, 1021 {"nSet","(JJ)V", (void*) PaintGlue::assign}, 1022 {"nGetFlags","(J)I", (void*) PaintGlue::getFlags}, 1023 {"nSetFlags","(JI)V", (void*) PaintGlue::setFlags}, 1024 {"nGetHinting","(J)I", (void*) PaintGlue::getHinting}, 1025 {"nSetHinting","(JI)V", (void*) PaintGlue::setHinting}, 1026 {"nSetAntiAlias","(JZ)V", (void*) PaintGlue::setAntiAlias}, 1027 {"nSetSubpixelText","(JZ)V", (void*) PaintGlue::setSubpixelText}, 1028 {"nSetLinearText","(JZ)V", (void*) PaintGlue::setLinearText}, 1029 {"nSetUnderlineText","(JZ)V", (void*) PaintGlue::setUnderlineText}, 1030 {"nSetStrikeThruText","(JZ)V", (void*) PaintGlue::setStrikeThruText}, 1031 {"nSetFakeBoldText","(JZ)V", (void*) PaintGlue::setFakeBoldText}, 1032 {"nSetFilterBitmap","(JZ)V", (void*) PaintGlue::setFilterBitmap}, 1033 {"nSetDither","(JZ)V", (void*) PaintGlue::setDither}, 1034 {"nGetStyle","(J)I", (void*) PaintGlue::getStyle}, 1035 {"nSetStyle","(JI)V", (void*) PaintGlue::setStyle}, 1036 {"nGetColor","(J)I", (void*) PaintGlue::getColor}, 1037 {"nSetColor","(JI)V", (void*) PaintGlue::setColor}, 1038 {"nGetAlpha","(J)I", (void*) PaintGlue::getAlpha}, 1039 {"nSetAlpha","(JI)V", (void*) PaintGlue::setAlpha}, 1040 {"nGetStrokeWidth","(J)F", (void*) PaintGlue::getStrokeWidth}, 1041 {"nSetStrokeWidth","(JF)V", (void*) PaintGlue::setStrokeWidth}, 1042 {"nGetStrokeMiter","(J)F", (void*) PaintGlue::getStrokeMiter}, 1043 {"nSetStrokeMiter","(JF)V", (void*) PaintGlue::setStrokeMiter}, 1044 {"nGetStrokeCap","(J)I", (void*) PaintGlue::getStrokeCap}, 1045 {"nSetStrokeCap","(JI)V", (void*) PaintGlue::setStrokeCap}, 1046 {"nGetStrokeJoin","(J)I", (void*) PaintGlue::getStrokeJoin}, 1047 {"nSetStrokeJoin","(JI)V", (void*) PaintGlue::setStrokeJoin}, 1048 {"nGetFillPath","(JJJ)Z", (void*) PaintGlue::getFillPath}, 1049 {"nSetShader","(JJ)J", (void*) PaintGlue::setShader}, 1050 {"nSetColorFilter","(JJ)J", (void*) PaintGlue::setColorFilter}, 1051 {"nSetXfermode","(JI)V", (void*) PaintGlue::setXfermode}, 1052 {"nSetPathEffect","(JJ)J", (void*) PaintGlue::setPathEffect}, 1053 {"nSetMaskFilter","(JJ)J", (void*) PaintGlue::setMaskFilter}, 1054 {"nSetTypeface","(JJ)J", (void*) PaintGlue::setTypeface}, 1055 {"nGetTextAlign","(J)I", (void*) PaintGlue::getTextAlign}, 1056 {"nSetTextAlign","(JI)V", (void*) PaintGlue::setTextAlign}, 1057 {"nSetTextLocalesByMinikinLangListId","(JI)V", 1058 (void*) PaintGlue::setTextLocalesByMinikinLangListId}, 1059 {"nIsElegantTextHeight","(J)Z", (void*) PaintGlue::isElegantTextHeight}, 1060 {"nSetElegantTextHeight","(JZ)V", (void*) PaintGlue::setElegantTextHeight}, 1061 {"nGetTextSize","(J)F", (void*) PaintGlue::getTextSize}, 1062 {"nSetTextSize","(JF)V", (void*) PaintGlue::setTextSize}, 1063 {"nGetTextScaleX","(J)F", (void*) PaintGlue::getTextScaleX}, 1064 {"nSetTextScaleX","(JF)V", (void*) PaintGlue::setTextScaleX}, 1065 {"nGetTextSkewX","(J)F", (void*) PaintGlue::getTextSkewX}, 1066 {"nSetTextSkewX","(JF)V", (void*) PaintGlue::setTextSkewX}, 1067 {"nGetLetterSpacing","(J)F", (void*) PaintGlue::getLetterSpacing}, 1068 {"nSetLetterSpacing","(JF)V", (void*) PaintGlue::setLetterSpacing}, 1069 {"nGetWordSpacing","(J)F", (void*) PaintGlue::getWordSpacing}, 1070 {"nSetWordSpacing","(JF)V", (void*) PaintGlue::setWordSpacing}, 1071 {"nGetHyphenEdit", "(J)I", (void*) PaintGlue::getHyphenEdit}, 1072 {"nSetHyphenEdit", "(JI)V", (void*) PaintGlue::setHyphenEdit}, 1073 {"nAscent","(JJ)F", (void*) PaintGlue::ascent}, 1074 {"nDescent","(JJ)F", (void*) PaintGlue::descent}, 1075 {"nSetShadowLayer", "(JFFFI)V", (void*)PaintGlue::setShadowLayer}, 1076 {"nHasShadowLayer", "(J)Z", (void*)PaintGlue::hasShadowLayer} 1077 }; 1078 1079 int register_android_graphics_Paint(JNIEnv* env) { 1080 gFontMetrics_class = FindClassOrDie(env, "android/graphics/Paint$FontMetrics"); 1081 gFontMetrics_class = MakeGlobalRefOrDie(env, gFontMetrics_class); 1082 1083 gFontMetrics_fieldID.top = GetFieldIDOrDie(env, gFontMetrics_class, "top", "F"); 1084 gFontMetrics_fieldID.ascent = GetFieldIDOrDie(env, gFontMetrics_class, "ascent", "F"); 1085 gFontMetrics_fieldID.descent = GetFieldIDOrDie(env, gFontMetrics_class, "descent", "F"); 1086 gFontMetrics_fieldID.bottom = GetFieldIDOrDie(env, gFontMetrics_class, "bottom", "F"); 1087 gFontMetrics_fieldID.leading = GetFieldIDOrDie(env, gFontMetrics_class, "leading", "F"); 1088 1089 gFontMetricsInt_class = FindClassOrDie(env, "android/graphics/Paint$FontMetricsInt"); 1090 gFontMetricsInt_class = MakeGlobalRefOrDie(env, gFontMetricsInt_class); 1091 1092 gFontMetricsInt_fieldID.top = GetFieldIDOrDie(env, gFontMetricsInt_class, "top", "I"); 1093 gFontMetricsInt_fieldID.ascent = GetFieldIDOrDie(env, gFontMetricsInt_class, "ascent", "I"); 1094 gFontMetricsInt_fieldID.descent = GetFieldIDOrDie(env, gFontMetricsInt_class, "descent", "I"); 1095 gFontMetricsInt_fieldID.bottom = GetFieldIDOrDie(env, gFontMetricsInt_class, "bottom", "I"); 1096 gFontMetricsInt_fieldID.leading = GetFieldIDOrDie(env, gFontMetricsInt_class, "leading", "I"); 1097 1098 return RegisterMethodsOrDie(env, "android/graphics/Paint", methods, NELEM(methods)); 1099 } 1100 1101 } 1102
