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 <nativehelper/ScopedStringChars.h> 26#include <nativehelper/ScopedUtfChars.h> 27#include <nativehelper/ScopedPrimitiveArray.h> 28 29#include "SkBlurDrawLooper.h" 30#include "SkColorFilter.h" 31#include "SkMaskFilter.h" 32#include "SkPath.h" 33#include "SkPathEffect.h" 34#include "SkShader.h" 35#include "SkBlendMode.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/LocaleList.h> 46#include <minikin/Measurement.h> 47#include <unicode/utf16.h> 48 49#include <cassert> 50#include <cstring> 51#include <memory> 52#include <vector> 53 54namespace android { 55 56struct JMetricsID { 57 jfieldID top; 58 jfieldID ascent; 59 jfieldID descent; 60 jfieldID bottom; 61 jfieldID leading; 62}; 63 64static jclass gFontMetrics_class; 65static JMetricsID gFontMetrics_fieldID; 66 67static jclass gFontMetricsInt_class; 68static JMetricsID gFontMetricsInt_fieldID; 69 70static void defaultSettingsForAndroid(Paint* paint) { 71 // GlyphID encoding is required because we are using Harfbuzz shaping 72 paint->setTextEncoding(Paint::kGlyphID_TextEncoding); 73} 74 75namespace PaintGlue { 76 enum MoveOpt { 77 AFTER, AT_OR_AFTER, BEFORE, AT_OR_BEFORE, AT 78 }; 79 80 static void deletePaint(Paint* paint) { 81 delete paint; 82 } 83 84 static jlong getNativeFinalizer(JNIEnv*, jobject) { 85 return static_cast<jlong>(reinterpret_cast<uintptr_t>(&deletePaint)); 86 } 87 88 static jlong init(JNIEnv* env, jobject) { 89 static_assert(1 << 0 == SkPaint::kAntiAlias_Flag, "paint_flags_mismatch"); 90 static_assert(1 << 2 == SkPaint::kDither_Flag, "paint_flags_mismatch"); 91 static_assert(1 << 3 == SkPaint::kUnderlineText_ReserveFlag, "paint_flags_mismatch"); 92 static_assert(1 << 4 == SkPaint::kStrikeThruText_ReserveFlag, "paint_flags_mismatch"); 93 static_assert(1 << 5 == SkPaint::kFakeBoldText_Flag, "paint_flags_mismatch"); 94 static_assert(1 << 6 == SkPaint::kLinearText_Flag, "paint_flags_mismatch"); 95 static_assert(1 << 7 == SkPaint::kSubpixelText_Flag, "paint_flags_mismatch"); 96 static_assert(1 << 8 == SkPaint::kDevKernText_Flag, "paint_flags_mismatch"); 97 static_assert(1 << 10 == SkPaint::kEmbeddedBitmapText_Flag, "paint_flags_mismatch"); 98 99 Paint* obj = new Paint(); 100 defaultSettingsForAndroid(obj); 101 return reinterpret_cast<jlong>(obj); 102 } 103 104 static jlong initWithPaint(JNIEnv* env, jobject clazz, jlong paintHandle) { 105 Paint* paint = reinterpret_cast<Paint*>(paintHandle); 106 Paint* obj = new Paint(*paint); 107 return reinterpret_cast<jlong>(obj); 108 } 109 110 static int breakText(JNIEnv* env, const Paint& paint, const Typeface* typeface, 111 const jchar text[], int count, float maxWidth, jint bidiFlags, jfloatArray jmeasured, 112 const bool forwardScan) { 113 size_t measuredCount = 0; 114 float measured = 0; 115 116 std::unique_ptr<float[]> advancesArray(new float[count]); 117 MinikinUtils::measureText(&paint, static_cast<minikin::Bidi>(bidiFlags), typeface, text, 118 0, count, count, advancesArray.get()); 119 120 for (int i = 0; i < count; i++) { 121 // traverse in the given direction 122 int index = forwardScan ? i : (count - i - 1); 123 float width = advancesArray[index]; 124 if (measured + width > maxWidth) { 125 break; 126 } 127 // properly handle clusters when scanning backwards 128 if (forwardScan || width != 0.0f) { 129 measuredCount = i + 1; 130 } 131 measured += width; 132 } 133 134 if (jmeasured && env->GetArrayLength(jmeasured) > 0) { 135 AutoJavaFloatArray autoMeasured(env, jmeasured, 1); 136 jfloat* array = autoMeasured.ptr(); 137 array[0] = measured; 138 } 139 return measuredCount; 140 } 141 142 static jint breakTextC(JNIEnv* env, jobject clazz, jlong paintHandle, jcharArray jtext, 143 jint index, jint count, jfloat maxWidth, jint bidiFlags, jfloatArray jmeasuredWidth) { 144 NPE_CHECK_RETURN_ZERO(env, jtext); 145 146 Paint* paint = reinterpret_cast<Paint*>(paintHandle); 147 const Typeface* typeface = paint->getAndroidTypeface(); 148 149 bool forwardTextDirection; 150 if (count < 0) { 151 forwardTextDirection = false; 152 count = -count; 153 } 154 else { 155 forwardTextDirection = true; 156 } 157 158 if ((index < 0) || (index + count > env->GetArrayLength(jtext))) { 159 doThrowAIOOBE(env); 160 return 0; 161 } 162 163 const jchar* text = env->GetCharArrayElements(jtext, nullptr); 164 count = breakText(env, *paint, typeface, text + index, count, maxWidth, 165 bidiFlags, jmeasuredWidth, forwardTextDirection); 166 env->ReleaseCharArrayElements(jtext, const_cast<jchar*>(text), 167 JNI_ABORT); 168 return count; 169 } 170 171 static jint breakTextS(JNIEnv* env, jobject clazz, jlong paintHandle, jstring jtext, 172 jboolean forwards, jfloat maxWidth, jint bidiFlags, jfloatArray jmeasuredWidth) { 173 NPE_CHECK_RETURN_ZERO(env, jtext); 174 175 Paint* paint = reinterpret_cast<Paint*>(paintHandle); 176 const Typeface* typeface = paint->getAndroidTypeface(); 177 178 int count = env->GetStringLength(jtext); 179 const jchar* text = env->GetStringChars(jtext, nullptr); 180 count = breakText(env, *paint, typeface, text, count, maxWidth, bidiFlags, jmeasuredWidth, forwards); 181 env->ReleaseStringChars(jtext, text); 182 return count; 183 } 184 185 static jfloat doTextAdvances(JNIEnv *env, Paint *paint, const Typeface* typeface, 186 const jchar *text, jint start, jint count, jint contextCount, jint bidiFlags, 187 jfloatArray advances, jint advancesIndex) { 188 NPE_CHECK_RETURN_ZERO(env, text); 189 190 if ((start | count | contextCount | advancesIndex) < 0 || contextCount < count) { 191 doThrowAIOOBE(env); 192 return 0; 193 } 194 if (count == 0) { 195 return 0; 196 } 197 if (advances) { 198 size_t advancesLength = env->GetArrayLength(advances); 199 if ((size_t)(count + advancesIndex) > advancesLength) { 200 doThrowAIOOBE(env); 201 return 0; 202 } 203 } 204 std::unique_ptr<jfloat[]> advancesArray; 205 if (advances) { 206 advancesArray.reset(new jfloat[count]); 207 } 208 const float advance = MinikinUtils::measureText(paint, 209 static_cast<minikin::Bidi>(bidiFlags), typeface, text, start, count, contextCount, 210 advancesArray.get()); 211 if (advances) { 212 env->SetFloatArrayRegion(advances, advancesIndex, count, advancesArray.get()); 213 } 214 return advance; 215 } 216 217 static jfloat getTextAdvances___CIIIII_FI(JNIEnv* env, jobject clazz, jlong paintHandle, 218 jcharArray text, jint index, jint count, jint contextIndex, jint contextCount, 219 jint bidiFlags, jfloatArray advances, jint advancesIndex) { 220 Paint* paint = reinterpret_cast<Paint*>(paintHandle); 221 const Typeface* typeface = paint->getAndroidTypeface(); 222 jchar* textArray = env->GetCharArrayElements(text, nullptr); 223 jfloat result = doTextAdvances(env, paint, typeface, textArray + contextIndex, 224 index - contextIndex, count, contextCount, bidiFlags, advances, advancesIndex); 225 env->ReleaseCharArrayElements(text, textArray, JNI_ABORT); 226 return result; 227 } 228 229 static jfloat getTextAdvances__StringIIIII_FI(JNIEnv* env, jobject clazz, jlong paintHandle, 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 const Typeface* typeface = paint->getAndroidTypeface(); 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, const Typeface* typeface, 243 const jchar *text, jint start, jint count, jint dir, jint offset, jint opt) { 244 minikin::GraphemeBreak::MoveOpt moveOpt = minikin::GraphemeBreak::MoveOpt(opt); 245 minikin::Bidi bidiFlags = dir == 1 ? minikin::Bidi::FORCE_RTL : minikin::Bidi::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, jcharArray text, 255 jint contextStart, jint contextCount, jint dir, jint offset, jint cursorOpt) { 256 Paint* paint = reinterpret_cast<Paint*>(paintHandle); 257 const Typeface* typeface = paint->getAndroidTypeface(); 258 jchar* textArray = env->GetCharArrayElements(text, nullptr); 259 jint result = doTextRunCursor(env, paint, typeface, textArray, 260 contextStart, contextCount, dir, offset, cursorOpt); 261 env->ReleaseCharArrayElements(text, textArray, JNI_ABORT); 262 return result; 263 } 264 265 static jint getTextRunCursor__String(JNIEnv* env, jobject clazz, jlong paintHandle, 266 jstring text, jint contextStart, jint contextEnd, jint dir, jint offset, 267 jint cursorOpt) { 268 Paint* paint = reinterpret_cast<Paint*>(paintHandle); 269 const Typeface* typeface = paint->getAndroidTypeface(); 270 const jchar* textArray = env->GetStringChars(text, nullptr); 271 jint result = doTextRunCursor(env, paint, typeface, textArray, 272 contextStart, contextEnd - contextStart, dir, offset, cursorOpt); 273 env->ReleaseStringChars(text, textArray); 274 return result; 275 } 276 277 class GetTextFunctor { 278 public: 279 GetTextFunctor(const minikin::Layout& layout, SkPath* path, jfloat x, jfloat y, 280 Paint* paint, uint16_t* glyphs, SkPoint* pos) 281 : layout(layout), path(path), x(x), y(y), paint(paint), glyphs(glyphs), pos(pos) { 282 } 283 284 void operator()(size_t start, size_t end) { 285 for (size_t i = start; i < end; i++) { 286 glyphs[i] = layout.getGlyphId(i); 287 pos[i].fX = x + layout.getX(i); 288 pos[i].fY = y + layout.getY(i); 289 } 290 if (start == 0) { 291 paint->getPosTextPath(glyphs + start, (end - start) << 1, pos + start, path); 292 } else { 293 paint->getPosTextPath(glyphs + start, (end - start) << 1, pos + start, &tmpPath); 294 path->addPath(tmpPath); 295 } 296 } 297 private: 298 const minikin::Layout& layout; 299 SkPath* path; 300 jfloat x; 301 jfloat y; 302 Paint* paint; 303 uint16_t* glyphs; 304 SkPoint* pos; 305 SkPath tmpPath; 306 }; 307 308 static void getTextPath(JNIEnv* env, Paint* paint, const Typeface* typeface, const jchar* text, 309 jint count, jint bidiFlags, jfloat x, jfloat y, SkPath* path) { 310 minikin::Layout layout = MinikinUtils::doLayout( 311 paint, static_cast<minikin::Bidi>(bidiFlags), typeface, text, 0, count, count, 312 nullptr); 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, jint bidiFlags, 329 jcharArray text, jint index, jint count, jfloat x, jfloat y, jlong pathHandle) { 330 Paint* paint = reinterpret_cast<Paint*>(paintHandle); 331 const Typeface* typeface = paint->getAndroidTypeface(); 332 SkPath* path = reinterpret_cast<SkPath*>(pathHandle); 333 const jchar* textArray = env->GetCharArrayElements(text, nullptr); 334 getTextPath(env, paint, typeface, textArray + index, count, bidiFlags, x, y, path); 335 env->ReleaseCharArrayElements(text, const_cast<jchar*>(textArray), JNI_ABORT); 336 } 337 338 static void getTextPath__String(JNIEnv* env, jobject clazz, jlong paintHandle, jint bidiFlags, 339 jstring text, jint start, jint end, jfloat x, jfloat y, jlong pathHandle) { 340 Paint* paint = reinterpret_cast<Paint*>(paintHandle); 341 const Typeface* typeface = paint->getAndroidTypeface(); 342 SkPath* path = reinterpret_cast<SkPath*>(pathHandle); 343 const jchar* textArray = env->GetStringChars(text, nullptr); 344 getTextPath(env, paint, typeface, textArray + start, end - start, bidiFlags, x, y, path); 345 env->ReleaseStringChars(text, textArray); 346 } 347 348 static void doTextBounds(JNIEnv* env, const jchar* text, int count, jobject bounds, 349 const Paint& paint, const Typeface* typeface, jint bidiFlags) { 350 SkRect r; 351 SkIRect ir; 352 353 minikin::Layout layout = MinikinUtils::doLayout(&paint, 354 static_cast<minikin::Bidi>(bidiFlags), typeface, text, 0, count, count, nullptr); 355 minikin::MinikinRect rect; 356 layout.getBounds(&rect); 357 r.fLeft = rect.mLeft; 358 r.fTop = rect.mTop; 359 r.fRight = rect.mRight; 360 r.fBottom = rect.mBottom; 361 r.roundOut(&ir); 362 GraphicsJNI::irect_to_jrect(ir, env, bounds); 363 } 364 365 static void getStringBounds(JNIEnv* env, jobject, jlong paintHandle, jstring text, jint start, 366 jint end, jint bidiFlags, jobject bounds) { 367 const Paint* paint = reinterpret_cast<Paint*>(paintHandle); 368 const Typeface* typeface = paint->getAndroidTypeface(); 369 const jchar* textArray = env->GetStringChars(text, nullptr); 370 doTextBounds(env, textArray + start, end - start, bounds, *paint, typeface, bidiFlags); 371 env->ReleaseStringChars(text, textArray); 372 } 373 374 static void getCharArrayBounds(JNIEnv* env, jobject, jlong paintHandle, jcharArray text, 375 jint index, jint count, jint bidiFlags, jobject bounds) { 376 const Paint* paint = reinterpret_cast<Paint*>(paintHandle); 377 const Typeface* typeface = paint->getAndroidTypeface(); 378 const jchar* textArray = env->GetCharArrayElements(text, nullptr); 379 doTextBounds(env, textArray + index, count, bounds, *paint, typeface, bidiFlags); 380 env->ReleaseCharArrayElements(text, const_cast<jchar*>(textArray), 381 JNI_ABORT); 382 } 383 384 // Returns true if the given string is exact one pair of regional indicators. 385 static bool isFlag(const jchar* str, size_t length) { 386 const jchar RI_LEAD_SURROGATE = 0xD83C; 387 const jchar RI_TRAIL_SURROGATE_MIN = 0xDDE6; 388 const jchar RI_TRAIL_SURROGATE_MAX = 0xDDFF; 389 390 if (length != 4) { 391 return false; 392 } 393 if (str[0] != RI_LEAD_SURROGATE || str[2] != RI_LEAD_SURROGATE) { 394 return false; 395 } 396 return RI_TRAIL_SURROGATE_MIN <= str[1] && str[1] <= RI_TRAIL_SURROGATE_MAX && 397 RI_TRAIL_SURROGATE_MIN <= str[3] && str[3] <= RI_TRAIL_SURROGATE_MAX; 398 } 399 400 static jboolean layoutContainsNotdef(const minikin::Layout& layout) { 401 for (size_t i = 0; i < layout.nGlyphs(); i++) { 402 if (layout.getGlyphId(i) == 0) { 403 return true; 404 } 405 } 406 return false; 407 } 408 409 // Don't count glyphs that are the recommended "space" glyph and are zero width. 410 // This logic makes assumptions about HarfBuzz layout, but does correctly handle 411 // cases where ligatures form and zero width space glyphs are left in as 412 // placeholders. 413 static size_t countNonSpaceGlyphs(const minikin::Layout& layout) { 414 size_t count = 0; 415 static unsigned int kSpaceGlyphId = 3; 416 for (size_t i = 0; i < layout.nGlyphs(); i++) { 417 if (layout.getGlyphId(i) != kSpaceGlyphId || layout.getCharAdvance(i) != 0.0) { 418 count++; 419 } 420 } 421 return count; 422 } 423 424 static jboolean hasGlyph(JNIEnv *env, jclass, jlong paintHandle, jint bidiFlags, 425 jstring string) { 426 const Paint* paint = reinterpret_cast<Paint*>(paintHandle); 427 const Typeface* typeface = paint->getAndroidTypeface(); 428 ScopedStringChars str(env, string); 429 430 /* Start by rejecting unsupported base code point and variation selector pairs. */ 431 size_t nChars = 0; 432 const uint32_t kStartOfString = 0xFFFFFFFF; 433 uint32_t prevCp = kStartOfString; 434 for (size_t i = 0; i < str.size(); i++) { 435 jchar cu = str[i]; 436 uint32_t cp = cu; 437 if (U16_IS_TRAIL(cu)) { 438 // invalid UTF-16, unpaired trailing surrogate 439 return false; 440 } else if (U16_IS_LEAD(cu)) { 441 if (i + 1 == str.size()) { 442 // invalid UTF-16, unpaired leading surrogate at end of string 443 return false; 444 } 445 i++; 446 jchar cu2 = str[i]; 447 if (!U16_IS_TRAIL(cu2)) { 448 // invalid UTF-16, unpaired leading surrogate 449 return false; 450 } 451 cp = U16_GET_SUPPLEMENTARY(cu, cu2); 452 } 453 454 if (prevCp != kStartOfString && 455 ((0xFE00 <= cp && cp <= 0xFE0F) || (0xE0100 <= cp && cp <= 0xE01EF))) { 456 bool hasVS = MinikinUtils::hasVariationSelector(typeface, prevCp, cp); 457 if (!hasVS) { 458 // No font has a glyph for the code point and variation selector pair. 459 return false; 460 } else if (nChars == 1 && i + 1 == str.size()) { 461 // The string is just a codepoint and a VS, we have an authoritative answer 462 return true; 463 } 464 } 465 nChars++; 466 prevCp = cp; 467 } 468 minikin::Layout layout = MinikinUtils::doLayout(paint, 469 static_cast<minikin::Bidi>(bidiFlags), typeface, str.get(), 0, str.size(), 470 str.size(), nullptr); 471 size_t nGlyphs = countNonSpaceGlyphs(layout); 472 if (nGlyphs != 1 && nChars > 1) { 473 // multiple-character input, and was not a ligature 474 // TODO: handle ZWJ/ZWNJ characters specially so we can detect certain ligatures 475 // in joining scripts, such as Arabic and Mongolian. 476 return false; 477 } 478 479 if (nGlyphs == 0 || layoutContainsNotdef(layout)) { 480 return false; // The collection doesn't have a glyph. 481 } 482 483 if (nChars == 2 && isFlag(str.get(), str.size())) { 484 // Some font may have a special glyph for unsupported regional indicator pairs. 485 // To return false for this case, need to compare the glyph id with the one of ZZ 486 // since ZZ is reserved for unknown or invalid territory. 487 // U+1F1FF (REGIONAL INDICATOR SYMBOL LETTER Z) is \uD83C\uDDFF in UTF16. 488 static const jchar ZZ_FLAG_STR[] = { 0xD83C, 0xDDFF, 0xD83C, 0xDDFF }; 489 minikin::Layout zzLayout = MinikinUtils::doLayout(paint, 490 static_cast<minikin::Bidi>(bidiFlags), typeface, ZZ_FLAG_STR, 0, 4, 4, 491 nullptr); 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, const Typeface* typeface, const jchar buf[], 502 jint start, jint count, jint bufSize, jboolean isRtl, jint offset) { 503 minikin::Bidi bidiFlags = isRtl ? minikin::Bidi::FORCE_RTL : minikin::Bidi::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, jcharArray text, 515 jint start, jint end, jint contextStart, jint contextEnd, jboolean isRtl, jint offset) { 516 const Paint* paint = reinterpret_cast<Paint*>(paintHandle); 517 const Typeface* typeface = paint->getAndroidTypeface(); 518 ScopedCharArrayRO textArray(env, text); 519 jfloat result = doRunAdvance(paint, typeface, textArray.get() + contextStart, 520 start - contextStart, end - start, contextEnd - contextStart, isRtl, 521 offset - contextStart); 522 return result; 523 } 524 525 static jint doOffsetForAdvance(const Paint* paint, const Typeface* typeface, const jchar buf[], 526 jint start, jint count, jint bufSize, jboolean isRtl, jfloat advance) { 527 minikin::Bidi bidiFlags = isRtl ? minikin::Bidi::FORCE_RTL : minikin::Bidi::FORCE_LTR; 528 std::unique_ptr<float[]> advancesArray(new float[count]); 529 MinikinUtils::measureText(paint, bidiFlags, typeface, buf, start, count, bufSize, 530 advancesArray.get()); 531 return minikin::getOffsetForAdvance(advancesArray.get(), buf, start, count, advance); 532 } 533 534 static jint getOffsetForAdvance___CIIIIZF_I(JNIEnv *env, jclass, jlong paintHandle, 535 jcharArray text, jint start, jint end, jint contextStart, jint contextEnd, 536 jboolean isRtl, jfloat advance) { 537 const Paint* paint = reinterpret_cast<Paint*>(paintHandle); 538 const Typeface* typeface = paint->getAndroidTypeface(); 539 ScopedCharArrayRO textArray(env, text); 540 jint result = doOffsetForAdvance(paint, typeface, textArray.get() + contextStart, 541 start - contextStart, end - start, contextEnd - contextStart, isRtl, advance); 542 result += contextStart; 543 return result; 544 } 545 546 // ------------------ @FastNative --------------------------- 547 548 static jint setTextLocales(JNIEnv* env, jobject clazz, jlong objHandle, jstring locales) { 549 Paint* obj = reinterpret_cast<Paint*>(objHandle); 550 ScopedUtfChars localesChars(env, locales); 551 jint minikinLocaleListId = minikin::registerLocaleList(localesChars.c_str()); 552 obj->setMinikinLocaleListId(minikinLocaleListId); 553 return minikinLocaleListId; 554 } 555 556 static void setFontFeatureSettings(JNIEnv* env, jobject clazz, jlong paintHandle, jstring settings) { 557 Paint* paint = reinterpret_cast<Paint*>(paintHandle); 558 if (!settings) { 559 paint->setFontFeatureSettings(std::string()); 560 } else { 561 ScopedUtfChars settingsChars(env, settings); 562 paint->setFontFeatureSettings(std::string(settingsChars.c_str(), settingsChars.size())); 563 } 564 } 565 566 static SkScalar getMetricsInternal(jlong paintHandle, Paint::FontMetrics *metrics) { 567 const int kElegantTop = 2500; 568 const int kElegantBottom = -1000; 569 const int kElegantAscent = 1900; 570 const int kElegantDescent = -500; 571 const int kElegantLeading = 0; 572 Paint* paint = reinterpret_cast<Paint*>(paintHandle); 573 const Typeface* typeface = paint->getAndroidTypeface(); 574 typeface = Typeface::resolveDefault(typeface); 575 minikin::FakedFont baseFont = typeface->fFontCollection->baseFontFaked(typeface->fStyle); 576 float saveSkewX = paint->getTextSkewX(); 577 bool savefakeBold = paint->isFakeBoldText(); 578 MinikinFontSkia::populateSkPaint(paint, baseFont.font->typeface().get(), baseFont.fakery); 579 SkScalar spacing = paint->getFontMetrics(metrics); 580 // The populateSkPaint call may have changed fake bold / text skew 581 // because we want to measure with those effects applied, so now 582 // restore the original settings. 583 paint->setTextSkewX(saveSkewX); 584 paint->setFakeBoldText(savefakeBold); 585 if (paint->getFamilyVariant() == minikin::FontFamily::Variant::ELEGANT) { 586 SkScalar size = paint->getTextSize(); 587 metrics->fTop = -size * kElegantTop / 2048; 588 metrics->fBottom = -size * kElegantBottom / 2048; 589 metrics->fAscent = -size * kElegantAscent / 2048; 590 metrics->fDescent = -size * kElegantDescent / 2048; 591 metrics->fLeading = size * kElegantLeading / 2048; 592 spacing = metrics->fDescent - metrics->fAscent + metrics->fLeading; 593 } 594 return spacing; 595 } 596 597 static jfloat getFontMetrics(JNIEnv* env, jobject, jlong paintHandle, jobject metricsObj) { 598 Paint::FontMetrics metrics; 599 SkScalar spacing = getMetricsInternal(paintHandle, &metrics); 600 601 if (metricsObj) { 602 SkASSERT(env->IsInstanceOf(metricsObj, gFontMetrics_class)); 603 env->SetFloatField(metricsObj, gFontMetrics_fieldID.top, SkScalarToFloat(metrics.fTop)); 604 env->SetFloatField(metricsObj, gFontMetrics_fieldID.ascent, SkScalarToFloat(metrics.fAscent)); 605 env->SetFloatField(metricsObj, gFontMetrics_fieldID.descent, SkScalarToFloat(metrics.fDescent)); 606 env->SetFloatField(metricsObj, gFontMetrics_fieldID.bottom, SkScalarToFloat(metrics.fBottom)); 607 env->SetFloatField(metricsObj, gFontMetrics_fieldID.leading, SkScalarToFloat(metrics.fLeading)); 608 } 609 return SkScalarToFloat(spacing); 610 } 611 612 static jint getFontMetricsInt(JNIEnv* env, jobject, jlong paintHandle, jobject metricsObj) { 613 Paint::FontMetrics metrics; 614 615 getMetricsInternal(paintHandle, &metrics); 616 int ascent = SkScalarRoundToInt(metrics.fAscent); 617 int descent = SkScalarRoundToInt(metrics.fDescent); 618 int leading = SkScalarRoundToInt(metrics.fLeading); 619 620 if (metricsObj) { 621 SkASSERT(env->IsInstanceOf(metricsObj, gFontMetricsInt_class)); 622 env->SetIntField(metricsObj, gFontMetricsInt_fieldID.top, SkScalarFloorToInt(metrics.fTop)); 623 env->SetIntField(metricsObj, gFontMetricsInt_fieldID.ascent, ascent); 624 env->SetIntField(metricsObj, gFontMetricsInt_fieldID.descent, descent); 625 env->SetIntField(metricsObj, gFontMetricsInt_fieldID.bottom, SkScalarCeilToInt(metrics.fBottom)); 626 env->SetIntField(metricsObj, gFontMetricsInt_fieldID.leading, leading); 627 } 628 return descent - ascent + leading; 629 } 630 631 632 // ------------------ @CriticalNative --------------------------- 633 634 static void reset(jlong objHandle) { 635 Paint* obj = reinterpret_cast<Paint*>(objHandle); 636 obj->reset(); 637 defaultSettingsForAndroid(obj); 638 } 639 640 static void assign(jlong dstPaintHandle, jlong srcPaintHandle) { 641 Paint* dst = reinterpret_cast<Paint*>(dstPaintHandle); 642 const Paint* src = reinterpret_cast<Paint*>(srcPaintHandle); 643 *dst = *src; 644 } 645 646 // Equivalent to the Java Paint's FILTER_BITMAP_FLAG. 647 static const uint32_t sFilterBitmapFlag = 0x02; 648 649 static jint getFlags(jlong paintHandle) { 650 Paint* nativePaint = reinterpret_cast<Paint*>(paintHandle); 651 uint32_t result = nativePaint->getFlags(); 652 result &= ~sFilterBitmapFlag; // Filtering no longer stored in this bit. Mask away. 653 if (nativePaint->getFilterQuality() != kNone_SkFilterQuality) { 654 result |= sFilterBitmapFlag; 655 } 656 return static_cast<jint>(result); 657 } 658 659 static void setFlags(jlong paintHandle, jint flags) { 660 Paint* nativePaint = reinterpret_cast<Paint*>(paintHandle); 661 // Instead of modifying 0x02, change the filter level. 662 nativePaint->setFilterQuality(flags & sFilterBitmapFlag 663 ? kLow_SkFilterQuality 664 : kNone_SkFilterQuality); 665 // Don't pass through filter flag, which is no longer stored in paint's flags. 666 flags &= ~sFilterBitmapFlag; 667 // Use the existing value for 0x02. 668 const uint32_t existing0x02Flag = nativePaint->getFlags() & sFilterBitmapFlag; 669 flags |= existing0x02Flag; 670 nativePaint->setFlags(flags); 671 } 672 673 static jint getHinting(jlong paintHandle) { 674 return reinterpret_cast<Paint*>(paintHandle)->getHinting() 675 == Paint::kNo_Hinting ? 0 : 1; 676 } 677 678 static void setHinting(jlong paintHandle, jint mode) { 679 reinterpret_cast<Paint*>(paintHandle)->setHinting( 680 mode == 0 ? Paint::kNo_Hinting : Paint::kNormal_Hinting); 681 } 682 683 static void setAntiAlias(jlong paintHandle, jboolean aa) { 684 reinterpret_cast<Paint*>(paintHandle)->setAntiAlias(aa); 685 } 686 687 static void setLinearText(jlong paintHandle, jboolean linearText) { 688 reinterpret_cast<Paint*>(paintHandle)->setLinearText(linearText); 689 } 690 691 static void setSubpixelText(jlong paintHandle, jboolean subpixelText) { 692 reinterpret_cast<Paint*>(paintHandle)->setSubpixelText(subpixelText); 693 } 694 695 static void setUnderlineText(jlong paintHandle, jboolean underlineText) { 696 Paint* paint = reinterpret_cast<Paint*>(paintHandle); 697 uint32_t flags = paint->getFlags(); 698 if (underlineText) { 699 flags |= Paint::kUnderlineText_ReserveFlag; 700 } else { 701 flags &= ~Paint::kUnderlineText_ReserveFlag; 702 } 703 paint->setFlags(flags); 704 } 705 706 static void setStrikeThruText(jlong paintHandle, jboolean strikeThruText) { 707 Paint* paint = reinterpret_cast<Paint*>(paintHandle); 708 uint32_t flags = paint->getFlags(); 709 if (strikeThruText) { 710 flags |= Paint::kStrikeThruText_ReserveFlag; 711 } else { 712 flags &= ~Paint::kStrikeThruText_ReserveFlag; 713 } 714 paint->setFlags(flags); 715 } 716 717 static void setFakeBoldText(jlong paintHandle, jboolean fakeBoldText) { 718 reinterpret_cast<Paint*>(paintHandle)->setFakeBoldText(fakeBoldText); 719 } 720 721 static void setFilterBitmap(jlong paintHandle, jboolean filterBitmap) { 722 reinterpret_cast<Paint*>(paintHandle)->setFilterQuality( 723 filterBitmap ? kLow_SkFilterQuality : kNone_SkFilterQuality); 724 } 725 726 static void setDither(jlong paintHandle, jboolean dither) { 727 reinterpret_cast<Paint*>(paintHandle)->setDither(dither); 728 } 729 730 static jint getStyle(jlong objHandle) { 731 Paint* obj = reinterpret_cast<Paint*>(objHandle); 732 return static_cast<jint>(obj->getStyle()); 733 } 734 735 static void setStyle(jlong objHandle, jint styleHandle) { 736 Paint* obj = reinterpret_cast<Paint*>(objHandle); 737 Paint::Style style = static_cast<Paint::Style>(styleHandle); 738 obj->setStyle(style); 739 } 740 741 static jint getColor(jlong paintHandle) { 742 int color; 743 color = reinterpret_cast<Paint*>(paintHandle)->getColor(); 744 return static_cast<jint>(color); 745 } 746 747 static jint getAlpha(jlong paintHandle) { 748 int alpha; 749 alpha = reinterpret_cast<Paint*>(paintHandle)->getAlpha(); 750 return static_cast<jint>(alpha); 751 } 752 753 static void setColor(jlong paintHandle, jint color) { 754 reinterpret_cast<Paint*>(paintHandle)->setColor(color); 755 } 756 757 static void setAlpha(jlong paintHandle, jint a) { 758 reinterpret_cast<Paint*>(paintHandle)->setAlpha(a); 759 } 760 761 static jfloat getStrokeWidth(jlong paintHandle) { 762 return SkScalarToFloat(reinterpret_cast<Paint*>(paintHandle)->getStrokeWidth()); 763 } 764 765 static void setStrokeWidth(jlong paintHandle, jfloat width) { 766 reinterpret_cast<Paint*>(paintHandle)->setStrokeWidth(width); 767 } 768 769 static jfloat getStrokeMiter(jlong paintHandle) { 770 return SkScalarToFloat(reinterpret_cast<Paint*>(paintHandle)->getStrokeMiter()); 771 } 772 773 static void setStrokeMiter(jlong paintHandle, jfloat miter) { 774 reinterpret_cast<Paint*>(paintHandle)->setStrokeMiter(miter); 775 } 776 777 static jint getStrokeCap(jlong objHandle) { 778 Paint* obj = reinterpret_cast<Paint*>(objHandle); 779 return static_cast<jint>(obj->getStrokeCap()); 780 } 781 782 static void setStrokeCap(jlong objHandle, jint capHandle) { 783 Paint* obj = reinterpret_cast<Paint*>(objHandle); 784 Paint::Cap cap = static_cast<Paint::Cap>(capHandle); 785 obj->setStrokeCap(cap); 786 } 787 788 static jint getStrokeJoin(jlong objHandle) { 789 Paint* obj = reinterpret_cast<Paint*>(objHandle); 790 return static_cast<jint>(obj->getStrokeJoin()); 791 } 792 793 static void setStrokeJoin(jlong objHandle, jint joinHandle) { 794 Paint* obj = reinterpret_cast<Paint*>(objHandle); 795 Paint::Join join = (Paint::Join) joinHandle; 796 obj->setStrokeJoin(join); 797 } 798 799 static jboolean getFillPath(jlong objHandle, jlong srcHandle, jlong dstHandle) { 800 Paint* obj = reinterpret_cast<Paint*>(objHandle); 801 SkPath* src = reinterpret_cast<SkPath*>(srcHandle); 802 SkPath* dst = reinterpret_cast<SkPath*>(dstHandle); 803 return obj->getFillPath(*src, dst) ? JNI_TRUE : JNI_FALSE; 804 } 805 806 static jlong setShader(jlong objHandle, jlong shaderHandle) { 807 Paint* obj = reinterpret_cast<Paint*>(objHandle); 808 SkShader* shader = reinterpret_cast<SkShader*>(shaderHandle); 809 obj->setShader(sk_ref_sp(shader)); 810 return reinterpret_cast<jlong>(obj->getShader()); 811 } 812 813 static jlong setColorFilter(jlong objHandle, jlong filterHandle) { 814 Paint* obj = reinterpret_cast<Paint *>(objHandle); 815 SkColorFilter* filter = reinterpret_cast<SkColorFilter *>(filterHandle); 816 obj->setColorFilter(sk_ref_sp(filter)); 817 return reinterpret_cast<jlong>(obj->getColorFilter()); 818 } 819 820 static void setXfermode(jlong paintHandle, jint xfermodeHandle) { 821 // validate that the Java enum values match our expectations 822 static_assert(0 == static_cast<int>(SkBlendMode::kClear), "xfermode_mismatch"); 823 static_assert(1 == static_cast<int>(SkBlendMode::kSrc), "xfermode_mismatch"); 824 static_assert(2 == static_cast<int>(SkBlendMode::kDst), "xfermode_mismatch"); 825 static_assert(3 == static_cast<int>(SkBlendMode::kSrcOver), "xfermode_mismatch"); 826 static_assert(4 == static_cast<int>(SkBlendMode::kDstOver), "xfermode_mismatch"); 827 static_assert(5 == static_cast<int>(SkBlendMode::kSrcIn), "xfermode_mismatch"); 828 static_assert(6 == static_cast<int>(SkBlendMode::kDstIn), "xfermode_mismatch"); 829 static_assert(7 == static_cast<int>(SkBlendMode::kSrcOut), "xfermode_mismatch"); 830 static_assert(8 == static_cast<int>(SkBlendMode::kDstOut), "xfermode_mismatch"); 831 static_assert(9 == static_cast<int>(SkBlendMode::kSrcATop), "xfermode_mismatch"); 832 static_assert(10 == static_cast<int>(SkBlendMode::kDstATop), "xfermode_mismatch"); 833 static_assert(11 == static_cast<int>(SkBlendMode::kXor), "xfermode_mismatch"); 834 static_assert(16 == static_cast<int>(SkBlendMode::kDarken), "xfermode_mismatch"); 835 static_assert(17 == static_cast<int>(SkBlendMode::kLighten), "xfermode_mismatch"); 836 static_assert(13 == static_cast<int>(SkBlendMode::kModulate), "xfermode_mismatch"); 837 static_assert(14 == static_cast<int>(SkBlendMode::kScreen), "xfermode_mismatch"); 838 static_assert(12 == static_cast<int>(SkBlendMode::kPlus), "xfermode_mismatch"); 839 static_assert(15 == static_cast<int>(SkBlendMode::kOverlay), "xfermode_mismatch"); 840 841 SkBlendMode mode = static_cast<SkBlendMode>(xfermodeHandle); 842 Paint* paint = reinterpret_cast<Paint*>(paintHandle); 843 paint->setBlendMode(mode); 844 } 845 846 static jlong setPathEffect(jlong objHandle, jlong effectHandle) { 847 Paint* obj = reinterpret_cast<Paint*>(objHandle); 848 SkPathEffect* effect = reinterpret_cast<SkPathEffect*>(effectHandle); 849 obj->setPathEffect(sk_ref_sp(effect)); 850 return reinterpret_cast<jlong>(obj->getPathEffect()); 851 } 852 853 static jlong setMaskFilter(jlong objHandle, jlong maskfilterHandle) { 854 Paint* obj = reinterpret_cast<Paint*>(objHandle); 855 SkMaskFilter* maskfilter = reinterpret_cast<SkMaskFilter*>(maskfilterHandle); 856 obj->setMaskFilter(sk_ref_sp(maskfilter)); 857 return reinterpret_cast<jlong>(obj->getMaskFilter()); 858 } 859 860 static void setTypeface(jlong objHandle, jlong typefaceHandle) { 861 Paint* paint = reinterpret_cast<Paint*>(objHandle); 862 paint->setAndroidTypeface(reinterpret_cast<Typeface*>(typefaceHandle)); 863 } 864 865 static jint getTextAlign(jlong objHandle) { 866 Paint* obj = reinterpret_cast<Paint*>(objHandle); 867 return static_cast<jint>(obj->getTextAlign()); 868 } 869 870 static void setTextAlign(jlong objHandle, jint alignHandle) { 871 Paint* obj = reinterpret_cast<Paint*>(objHandle); 872 Paint::Align align = static_cast<Paint::Align>(alignHandle); 873 obj->setTextAlign(align); 874 } 875 876 static void setTextLocalesByMinikinLocaleListId(jlong objHandle, 877 jint minikinLocaleListId) { 878 Paint* obj = reinterpret_cast<Paint*>(objHandle); 879 obj->setMinikinLocaleListId(minikinLocaleListId); 880 } 881 882 static jboolean isElegantTextHeight(jlong paintHandle) { 883 Paint* obj = reinterpret_cast<Paint*>(paintHandle); 884 return obj->getFamilyVariant() == minikin::FontFamily::Variant::ELEGANT; 885 } 886 887 static void setElegantTextHeight(jlong paintHandle, jboolean aa) { 888 Paint* obj = reinterpret_cast<Paint*>(paintHandle); 889 obj->setFamilyVariant( 890 aa ? minikin::FontFamily::Variant::ELEGANT : minikin::FontFamily::Variant::DEFAULT); 891 } 892 893 static jfloat getTextSize(jlong paintHandle) { 894 return SkScalarToFloat(reinterpret_cast<Paint*>(paintHandle)->getTextSize()); 895 } 896 897 static void setTextSize(jlong paintHandle, jfloat textSize) { 898 reinterpret_cast<Paint*>(paintHandle)->setTextSize(textSize); 899 } 900 901 static jfloat getTextScaleX(jlong paintHandle) { 902 return SkScalarToFloat(reinterpret_cast<Paint*>(paintHandle)->getTextScaleX()); 903 } 904 905 static void setTextScaleX(jlong paintHandle, jfloat scaleX) { 906 reinterpret_cast<Paint*>(paintHandle)->setTextScaleX(scaleX); 907 } 908 909 static jfloat getTextSkewX(jlong paintHandle) { 910 return SkScalarToFloat(reinterpret_cast<Paint*>(paintHandle)->getTextSkewX()); 911 } 912 913 static void setTextSkewX(jlong paintHandle, jfloat skewX) { 914 reinterpret_cast<Paint*>(paintHandle)->setTextSkewX(skewX); 915 } 916 917 static jfloat getLetterSpacing(jlong paintHandle) { 918 Paint* paint = reinterpret_cast<Paint*>(paintHandle); 919 return paint->getLetterSpacing(); 920 } 921 922 static void setLetterSpacing(jlong paintHandle, jfloat letterSpacing) { 923 Paint* paint = reinterpret_cast<Paint*>(paintHandle); 924 paint->setLetterSpacing(letterSpacing); 925 } 926 927 static jfloat getWordSpacing(jlong paintHandle) { 928 Paint* paint = reinterpret_cast<Paint*>(paintHandle); 929 return paint->getWordSpacing(); 930 } 931 932 static void setWordSpacing(jlong paintHandle, jfloat wordSpacing) { 933 Paint* paint = reinterpret_cast<Paint*>(paintHandle); 934 paint->setWordSpacing(wordSpacing); 935 } 936 937 static jint getHyphenEdit(jlong paintHandle, jint hyphen) { 938 Paint* paint = reinterpret_cast<Paint*>(paintHandle); 939 return paint->getHyphenEdit(); 940 } 941 942 static void setHyphenEdit(jlong paintHandle, jint hyphen) { 943 Paint* paint = reinterpret_cast<Paint*>(paintHandle); 944 paint->setHyphenEdit((uint32_t)hyphen); 945 } 946 947 static jfloat ascent(jlong paintHandle) { 948 Paint::FontMetrics metrics; 949 getMetricsInternal(paintHandle, &metrics); 950 return SkScalarToFloat(metrics.fAscent); 951 } 952 953 static jfloat descent(jlong paintHandle) { 954 Paint::FontMetrics metrics; 955 getMetricsInternal(paintHandle, &metrics); 956 return SkScalarToFloat(metrics.fDescent); 957 } 958 959 static jfloat getUnderlinePosition(jlong paintHandle) { 960 Paint::FontMetrics metrics; 961 getMetricsInternal(paintHandle, &metrics); 962 SkScalar position; 963 if (metrics.hasUnderlinePosition(&position)) { 964 return SkScalarToFloat(position); 965 } else { 966 const SkScalar textSize = reinterpret_cast<Paint*>(paintHandle)->getTextSize(); 967 return SkScalarToFloat(Paint::kStdUnderline_Top * textSize); 968 } 969 } 970 971 static jfloat getUnderlineThickness(jlong paintHandle) { 972 Paint::FontMetrics metrics; 973 getMetricsInternal(paintHandle, &metrics); 974 SkScalar thickness; 975 if (metrics.hasUnderlineThickness(&thickness)) { 976 return SkScalarToFloat(thickness); 977 } else { 978 const SkScalar textSize = reinterpret_cast<Paint*>(paintHandle)->getTextSize(); 979 return SkScalarToFloat(Paint::kStdUnderline_Thickness * textSize); 980 } 981 } 982 983 static jfloat getStrikeThruPosition(jlong paintHandle) { 984 const SkScalar textSize = reinterpret_cast<Paint*>(paintHandle)->getTextSize(); 985 return SkScalarToFloat(Paint::kStdStrikeThru_Top * textSize); 986 } 987 988 static jfloat getStrikeThruThickness(jlong paintHandle) { 989 const SkScalar textSize = reinterpret_cast<Paint*>(paintHandle)->getTextSize(); 990 return SkScalarToFloat(Paint::kStdStrikeThru_Thickness * textSize); 991 } 992 993 static void setShadowLayer(jlong paintHandle, jfloat radius, 994 jfloat dx, jfloat dy, jint color) { 995 Paint* paint = reinterpret_cast<Paint*>(paintHandle); 996 if (radius <= 0) { 997 paint->setLooper(nullptr); 998 } 999 else { 1000 SkScalar sigma = android::uirenderer::Blur::convertRadiusToSigma(radius); 1001 paint->setLooper(SkBlurDrawLooper::Make((SkColor)color, sigma, dx, dy)); 1002 } 1003 } 1004 1005 static jboolean hasShadowLayer(jlong paintHandle) { 1006 Paint* paint = reinterpret_cast<Paint*>(paintHandle); 1007 return paint->getLooper() && paint->getLooper()->asABlurShadow(nullptr); 1008 } 1009 1010 static jboolean equalsForTextMeasurement(jlong lPaint, jlong rPaint) { 1011 if (lPaint == rPaint) { 1012 return true; 1013 } 1014 Paint* leftPaint = reinterpret_cast<Paint*>(lPaint); 1015 Paint* rightPaint = reinterpret_cast<Paint*>(rPaint); 1016 1017 const Typeface* leftTypeface = Typeface::resolveDefault(leftPaint->getAndroidTypeface()); 1018 const Typeface* rightTypeface = Typeface::resolveDefault(rightPaint->getAndroidTypeface()); 1019 minikin::MinikinPaint leftMinikinPaint 1020 = MinikinUtils::prepareMinikinPaint(leftPaint, leftTypeface); 1021 minikin::MinikinPaint rightMinikinPaint 1022 = MinikinUtils::prepareMinikinPaint(rightPaint, rightTypeface); 1023 1024 return leftMinikinPaint == rightMinikinPaint; 1025 } 1026 1027}; // namespace PaintGlue 1028 1029static const JNINativeMethod methods[] = { 1030 {"nGetNativeFinalizer", "()J", (void*) PaintGlue::getNativeFinalizer}, 1031 {"nInit","()J", (void*) PaintGlue::init}, 1032 {"nInitWithPaint","(J)J", (void*) PaintGlue::initWithPaint}, 1033 {"nBreakText","(J[CIIFI[F)I", (void*) PaintGlue::breakTextC}, 1034 {"nBreakText","(JLjava/lang/String;ZFI[F)I", (void*) PaintGlue::breakTextS}, 1035 {"nGetTextAdvances","(J[CIIIII[FI)F", 1036 (void*) PaintGlue::getTextAdvances___CIIIII_FI}, 1037 {"nGetTextAdvances","(JLjava/lang/String;IIIII[FI)F", 1038 (void*) PaintGlue::getTextAdvances__StringIIIII_FI}, 1039 1040 {"nGetTextRunCursor", "(J[CIIIII)I", (void*) PaintGlue::getTextRunCursor___C}, 1041 {"nGetTextRunCursor", "(JLjava/lang/String;IIIII)I", 1042 (void*) PaintGlue::getTextRunCursor__String}, 1043 {"nGetTextPath", "(JI[CIIFFJ)V", (void*) PaintGlue::getTextPath___C}, 1044 {"nGetTextPath", "(JILjava/lang/String;IIFFJ)V", (void*) PaintGlue::getTextPath__String}, 1045 {"nGetStringBounds", "(JLjava/lang/String;IIILandroid/graphics/Rect;)V", 1046 (void*) PaintGlue::getStringBounds }, 1047 {"nGetCharArrayBounds", "(J[CIIILandroid/graphics/Rect;)V", 1048 (void*) PaintGlue::getCharArrayBounds }, 1049 {"nHasGlyph", "(JILjava/lang/String;)Z", (void*) PaintGlue::hasGlyph }, 1050 {"nGetRunAdvance", "(J[CIIIIZI)F", (void*) PaintGlue::getRunAdvance___CIIIIZI_F}, 1051 {"nGetOffsetForAdvance", "(J[CIIIIZF)I", 1052 (void*) PaintGlue::getOffsetForAdvance___CIIIIZF_I}, 1053 1054 // --------------- @FastNative ---------------------- 1055 1056 {"nSetTextLocales","(JLjava/lang/String;)I", (void*) PaintGlue::setTextLocales}, 1057 {"nSetFontFeatureSettings","(JLjava/lang/String;)V", 1058 (void*) PaintGlue::setFontFeatureSettings}, 1059 {"nGetFontMetrics", "(JLandroid/graphics/Paint$FontMetrics;)F", 1060 (void*)PaintGlue::getFontMetrics}, 1061 {"nGetFontMetricsInt", "(JLandroid/graphics/Paint$FontMetricsInt;)I", 1062 (void*)PaintGlue::getFontMetricsInt}, 1063 1064 // --------------- @CriticalNative ------------------ 1065 1066 {"nReset","(J)V", (void*) PaintGlue::reset}, 1067 {"nSet","(JJ)V", (void*) PaintGlue::assign}, 1068 {"nGetFlags","(J)I", (void*) PaintGlue::getFlags}, 1069 {"nSetFlags","(JI)V", (void*) PaintGlue::setFlags}, 1070 {"nGetHinting","(J)I", (void*) PaintGlue::getHinting}, 1071 {"nSetHinting","(JI)V", (void*) PaintGlue::setHinting}, 1072 {"nSetAntiAlias","(JZ)V", (void*) PaintGlue::setAntiAlias}, 1073 {"nSetSubpixelText","(JZ)V", (void*) PaintGlue::setSubpixelText}, 1074 {"nSetLinearText","(JZ)V", (void*) PaintGlue::setLinearText}, 1075 {"nSetUnderlineText","(JZ)V", (void*) PaintGlue::setUnderlineText}, 1076 {"nSetStrikeThruText","(JZ)V", (void*) PaintGlue::setStrikeThruText}, 1077 {"nSetFakeBoldText","(JZ)V", (void*) PaintGlue::setFakeBoldText}, 1078 {"nSetFilterBitmap","(JZ)V", (void*) PaintGlue::setFilterBitmap}, 1079 {"nSetDither","(JZ)V", (void*) PaintGlue::setDither}, 1080 {"nGetStyle","(J)I", (void*) PaintGlue::getStyle}, 1081 {"nSetStyle","(JI)V", (void*) PaintGlue::setStyle}, 1082 {"nGetColor","(J)I", (void*) PaintGlue::getColor}, 1083 {"nSetColor","(JI)V", (void*) PaintGlue::setColor}, 1084 {"nGetAlpha","(J)I", (void*) PaintGlue::getAlpha}, 1085 {"nSetAlpha","(JI)V", (void*) PaintGlue::setAlpha}, 1086 {"nGetStrokeWidth","(J)F", (void*) PaintGlue::getStrokeWidth}, 1087 {"nSetStrokeWidth","(JF)V", (void*) PaintGlue::setStrokeWidth}, 1088 {"nGetStrokeMiter","(J)F", (void*) PaintGlue::getStrokeMiter}, 1089 {"nSetStrokeMiter","(JF)V", (void*) PaintGlue::setStrokeMiter}, 1090 {"nGetStrokeCap","(J)I", (void*) PaintGlue::getStrokeCap}, 1091 {"nSetStrokeCap","(JI)V", (void*) PaintGlue::setStrokeCap}, 1092 {"nGetStrokeJoin","(J)I", (void*) PaintGlue::getStrokeJoin}, 1093 {"nSetStrokeJoin","(JI)V", (void*) PaintGlue::setStrokeJoin}, 1094 {"nGetFillPath","(JJJ)Z", (void*) PaintGlue::getFillPath}, 1095 {"nSetShader","(JJ)J", (void*) PaintGlue::setShader}, 1096 {"nSetColorFilter","(JJ)J", (void*) PaintGlue::setColorFilter}, 1097 {"nSetXfermode","(JI)V", (void*) PaintGlue::setXfermode}, 1098 {"nSetPathEffect","(JJ)J", (void*) PaintGlue::setPathEffect}, 1099 {"nSetMaskFilter","(JJ)J", (void*) PaintGlue::setMaskFilter}, 1100 {"nSetTypeface","(JJ)V", (void*) PaintGlue::setTypeface}, 1101 {"nGetTextAlign","(J)I", (void*) PaintGlue::getTextAlign}, 1102 {"nSetTextAlign","(JI)V", (void*) PaintGlue::setTextAlign}, 1103 {"nSetTextLocalesByMinikinLocaleListId","(JI)V", 1104 (void*) PaintGlue::setTextLocalesByMinikinLocaleListId}, 1105 {"nIsElegantTextHeight","(J)Z", (void*) PaintGlue::isElegantTextHeight}, 1106 {"nSetElegantTextHeight","(JZ)V", (void*) PaintGlue::setElegantTextHeight}, 1107 {"nGetTextSize","(J)F", (void*) PaintGlue::getTextSize}, 1108 {"nSetTextSize","(JF)V", (void*) PaintGlue::setTextSize}, 1109 {"nGetTextScaleX","(J)F", (void*) PaintGlue::getTextScaleX}, 1110 {"nSetTextScaleX","(JF)V", (void*) PaintGlue::setTextScaleX}, 1111 {"nGetTextSkewX","(J)F", (void*) PaintGlue::getTextSkewX}, 1112 {"nSetTextSkewX","(JF)V", (void*) PaintGlue::setTextSkewX}, 1113 {"nGetLetterSpacing","(J)F", (void*) PaintGlue::getLetterSpacing}, 1114 {"nSetLetterSpacing","(JF)V", (void*) PaintGlue::setLetterSpacing}, 1115 {"nGetWordSpacing","(J)F", (void*) PaintGlue::getWordSpacing}, 1116 {"nSetWordSpacing","(JF)V", (void*) PaintGlue::setWordSpacing}, 1117 {"nGetHyphenEdit", "(J)I", (void*) PaintGlue::getHyphenEdit}, 1118 {"nSetHyphenEdit", "(JI)V", (void*) PaintGlue::setHyphenEdit}, 1119 {"nAscent","(J)F", (void*) PaintGlue::ascent}, 1120 {"nDescent","(J)F", (void*) PaintGlue::descent}, 1121 {"nGetUnderlinePosition","(J)F", (void*) PaintGlue::getUnderlinePosition}, 1122 {"nGetUnderlineThickness","(J)F", (void*) PaintGlue::getUnderlineThickness}, 1123 {"nGetStrikeThruPosition","(J)F", (void*) PaintGlue::getStrikeThruPosition}, 1124 {"nGetStrikeThruThickness","(J)F", (void*) PaintGlue::getStrikeThruThickness}, 1125 {"nSetShadowLayer", "(JFFFI)V", (void*)PaintGlue::setShadowLayer}, 1126 {"nHasShadowLayer", "(J)Z", (void*)PaintGlue::hasShadowLayer}, 1127 {"nEqualsForTextMeasurement", "(JJ)Z", (void*)PaintGlue::equalsForTextMeasurement}, 1128}; 1129 1130int register_android_graphics_Paint(JNIEnv* env) { 1131 gFontMetrics_class = FindClassOrDie(env, "android/graphics/Paint$FontMetrics"); 1132 gFontMetrics_class = MakeGlobalRefOrDie(env, gFontMetrics_class); 1133 1134 gFontMetrics_fieldID.top = GetFieldIDOrDie(env, gFontMetrics_class, "top", "F"); 1135 gFontMetrics_fieldID.ascent = GetFieldIDOrDie(env, gFontMetrics_class, "ascent", "F"); 1136 gFontMetrics_fieldID.descent = GetFieldIDOrDie(env, gFontMetrics_class, "descent", "F"); 1137 gFontMetrics_fieldID.bottom = GetFieldIDOrDie(env, gFontMetrics_class, "bottom", "F"); 1138 gFontMetrics_fieldID.leading = GetFieldIDOrDie(env, gFontMetrics_class, "leading", "F"); 1139 1140 gFontMetricsInt_class = FindClassOrDie(env, "android/graphics/Paint$FontMetricsInt"); 1141 gFontMetricsInt_class = MakeGlobalRefOrDie(env, gFontMetricsInt_class); 1142 1143 gFontMetricsInt_fieldID.top = GetFieldIDOrDie(env, gFontMetricsInt_class, "top", "I"); 1144 gFontMetricsInt_fieldID.ascent = GetFieldIDOrDie(env, gFontMetricsInt_class, "ascent", "I"); 1145 gFontMetricsInt_fieldID.descent = GetFieldIDOrDie(env, gFontMetricsInt_class, "descent", "I"); 1146 gFontMetricsInt_fieldID.bottom = GetFieldIDOrDie(env, gFontMetricsInt_class, "bottom", "I"); 1147 gFontMetricsInt_fieldID.leading = GetFieldIDOrDie(env, gFontMetricsInt_class, "leading", "I"); 1148 1149 return RegisterMethodsOrDie(env, "android/graphics/Paint", methods, NELEM(methods)); 1150} 1151 1152} 1153