Paint.cpp revision c2f31df8b3b9a237e9abffc59c61804ad8495073
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 "SkRasterizer.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/Measurement.h> 46#include <unicode/utf16.h> 47 48#include <cassert> 49#include <cstring> 50#include <memory> 51#include <vector> 52 53namespace android { 54 55struct JMetricsID { 56 jfieldID top; 57 jfieldID ascent; 58 jfieldID descent; 59 jfieldID bottom; 60 jfieldID leading; 61}; 62 63static jclass gFontMetrics_class; 64static JMetricsID gFontMetrics_fieldID; 65 66static jclass gFontMetricsInt_class; 67static JMetricsID gFontMetricsInt_fieldID; 68 69static void defaultSettingsForAndroid(Paint* paint) { 70 // GlyphID encoding is required because we are using Harfbuzz shaping 71 paint->setTextEncoding(Paint::kGlyphID_TextEncoding); 72} 73 74namespace PaintGlue { 75 enum MoveOpt { 76 AFTER, AT_OR_AFTER, BEFORE, AT_OR_BEFORE, AT 77 }; 78 79 static void deletePaint(Paint* paint) { 80 delete paint; 81 } 82 83 static jlong getNativeFinalizer(JNIEnv*, jobject) { 84 return static_cast<jlong>(reinterpret_cast<uintptr_t>(&deletePaint)); 85 } 86 87 static jlong init(JNIEnv* env, jobject) { 88 static_assert(1 << 0 == SkPaint::kAntiAlias_Flag, "paint_flags_mismatch"); 89 static_assert(1 << 2 == SkPaint::kDither_Flag, "paint_flags_mismatch"); 90 static_assert(1 << 3 == SkPaint::kUnderlineText_Flag, "paint_flags_mismatch"); 91 static_assert(1 << 4 == SkPaint::kStrikeThruText_Flag, "paint_flags_mismatch"); 92 static_assert(1 << 5 == SkPaint::kFakeBoldText_Flag, "paint_flags_mismatch"); 93 static_assert(1 << 6 == SkPaint::kLinearText_Flag, "paint_flags_mismatch"); 94 static_assert(1 << 7 == SkPaint::kSubpixelText_Flag, "paint_flags_mismatch"); 95 static_assert(1 << 8 == SkPaint::kDevKernText_Flag, "paint_flags_mismatch"); 96 static_assert(1 << 10 == SkPaint::kEmbeddedBitmapText_Flag, "paint_flags_mismatch"); 97 98 Paint* obj = new Paint(); 99 defaultSettingsForAndroid(obj); 100 return reinterpret_cast<jlong>(obj); 101 } 102 103 static jlong initWithPaint(JNIEnv* env, jobject clazz, jlong paintHandle) { 104 Paint* paint = reinterpret_cast<Paint*>(paintHandle); 105 Paint* obj = new Paint(*paint); 106 return reinterpret_cast<jlong>(obj); 107 } 108 109 static int breakText(JNIEnv* env, const Paint& paint, Typeface* typeface, const jchar text[], 110 int count, float maxWidth, jint bidiFlags, jfloatArray jmeasured, 111 const bool forwardScan) { 112 size_t measuredCount = 0; 113 float measured = 0; 114 115 std::unique_ptr<float[]> advancesArray(new float[count]); 116 MinikinUtils::measureText(&paint, bidiFlags, typeface, text, 0, count, count, 117 advancesArray.get()); 118 119 for (int i = 0; i < count; i++) { 120 // traverse in the given direction 121 int index = forwardScan ? i : (count - i - 1); 122 float width = advancesArray[index]; 123 if (measured + width > maxWidth) { 124 break; 125 } 126 // properly handle clusters when scanning backwards 127 if (forwardScan || width != 0.0f) { 128 measuredCount = i + 1; 129 } 130 measured += width; 131 } 132 133 if (jmeasured && env->GetArrayLength(jmeasured) > 0) { 134 AutoJavaFloatArray autoMeasured(env, jmeasured, 1); 135 jfloat* array = autoMeasured.ptr(); 136 array[0] = measured; 137 } 138 return measuredCount; 139 } 140 141 static jint breakTextC(JNIEnv* env, jobject clazz, jlong paintHandle, jlong typefaceHandle, 142 jcharArray jtext, jint index, jint count, jfloat maxWidth, jint bidiFlags, 143 jfloatArray jmeasuredWidth) { 144 NPE_CHECK_RETURN_ZERO(env, jtext); 145 146 Paint* paint = reinterpret_cast<Paint*>(paintHandle); 147 Typeface* typeface = reinterpret_cast<Typeface*>(typefaceHandle); 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, jlong typefaceHandle, 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 Typeface* typeface = reinterpret_cast<Typeface*>(typefaceHandle); 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, 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, bidiFlags, typeface, text, 209 start, count, contextCount, advancesArray.get()); 210 if (advances) { 211 env->SetFloatArrayRegion(advances, advancesIndex, count, advancesArray.get()); 212 } 213 return advance; 214 } 215 216 static jfloat getTextAdvances___CIIIII_FI(JNIEnv* env, jobject clazz, jlong paintHandle, 217 jlong typefaceHandle, 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 Typeface* typeface = reinterpret_cast<Typeface*>(typefaceHandle); 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 jlong typefaceHandle, 231 jstring text, jint start, jint end, jint contextStart, jint contextEnd, jint bidiFlags, 232 jfloatArray advances, jint advancesIndex) { 233 Paint* paint = reinterpret_cast<Paint*>(paintHandle); 234 Typeface* typeface = reinterpret_cast<Typeface*>(typefaceHandle); 235 const jchar* textArray = env->GetStringChars(text, nullptr); 236 jfloat result = doTextAdvances(env, paint, typeface, textArray + contextStart, 237 start - contextStart, end - start, contextEnd - contextStart, bidiFlags, 238 advances, advancesIndex); 239 env->ReleaseStringChars(text, textArray); 240 return result; 241 } 242 243 static jint doTextRunCursor(JNIEnv *env, Paint* paint, const jchar *text, jint start, 244 jint count, jint flags, jint offset, jint opt) { 245 minikin::GraphemeBreak::MoveOpt moveOpt = minikin::GraphemeBreak::MoveOpt(opt); 246 size_t result = minikin::GraphemeBreak::getTextRunCursor(text, start, count, offset, 247 moveOpt); 248 return static_cast<jint>(result); 249 } 250 251 static jint getTextRunCursor___C(JNIEnv* env, jobject clazz, jlong paintHandle, jcharArray text, 252 jint contextStart, jint contextCount, jint dir, jint offset, jint cursorOpt) { 253 Paint* paint = reinterpret_cast<Paint*>(paintHandle); 254 jchar* textArray = env->GetCharArrayElements(text, nullptr); 255 jint result = doTextRunCursor(env, paint, textArray, contextStart, contextCount, dir, 256 offset, cursorOpt); 257 env->ReleaseCharArrayElements(text, textArray, JNI_ABORT); 258 return result; 259 } 260 261 static jint getTextRunCursor__String(JNIEnv* env, jobject clazz, jlong paintHandle, jstring text, 262 jint contextStart, jint contextEnd, jint dir, jint offset, jint cursorOpt) { 263 Paint* paint = reinterpret_cast<Paint*>(paintHandle); 264 const jchar* textArray = env->GetStringChars(text, nullptr); 265 jint result = doTextRunCursor(env, paint, textArray, contextStart, 266 contextEnd - contextStart, dir, offset, cursorOpt); 267 env->ReleaseStringChars(text, textArray); 268 return result; 269 } 270 271 class GetTextFunctor { 272 public: 273 GetTextFunctor(const minikin::Layout& layout, SkPath* path, jfloat x, jfloat y, 274 Paint* paint, uint16_t* glyphs, SkPoint* pos) 275 : layout(layout), path(path), x(x), y(y), paint(paint), glyphs(glyphs), pos(pos) { 276 } 277 278 void operator()(size_t start, size_t end) { 279 for (size_t i = start; i < end; i++) { 280 glyphs[i] = layout.getGlyphId(i); 281 pos[i].fX = x + layout.getX(i); 282 pos[i].fY = y + layout.getY(i); 283 } 284 if (start == 0) { 285 paint->getPosTextPath(glyphs + start, (end - start) << 1, pos + start, path); 286 } else { 287 paint->getPosTextPath(glyphs + start, (end - start) << 1, pos + start, &tmpPath); 288 path->addPath(tmpPath); 289 } 290 } 291 private: 292 const minikin::Layout& layout; 293 SkPath* path; 294 jfloat x; 295 jfloat y; 296 Paint* paint; 297 uint16_t* glyphs; 298 SkPoint* pos; 299 SkPath tmpPath; 300 }; 301 302 static void getTextPath(JNIEnv* env, Paint* paint, Typeface* typeface, const jchar* text, 303 jint count, jint bidiFlags, jfloat x, jfloat y, SkPath* path) { 304 minikin::Layout layout; 305 MinikinUtils::doLayout(&layout, paint, bidiFlags, typeface, text, 0, count, count); 306 size_t nGlyphs = layout.nGlyphs(); 307 uint16_t* glyphs = new uint16_t[nGlyphs]; 308 SkPoint* pos = new SkPoint[nGlyphs]; 309 310 x += MinikinUtils::xOffsetForTextAlign(paint, layout); 311 Paint::Align align = paint->getTextAlign(); 312 paint->setTextAlign(Paint::kLeft_Align); 313 paint->setTextEncoding(Paint::kGlyphID_TextEncoding); 314 GetTextFunctor f(layout, path, x, y, paint, glyphs, pos); 315 MinikinUtils::forFontRun(layout, paint, f); 316 paint->setTextAlign(align); 317 delete[] glyphs; 318 delete[] pos; 319 } 320 321 static void getTextPath___C(JNIEnv* env, jobject clazz, jlong paintHandle, 322 jlong typefaceHandle, jint bidiFlags, 323 jcharArray text, jint index, jint count, jfloat x, jfloat y, jlong pathHandle) { 324 Paint* paint = reinterpret_cast<Paint*>(paintHandle); 325 Typeface* typeface = reinterpret_cast<Typeface*>(typefaceHandle); 326 SkPath* path = reinterpret_cast<SkPath*>(pathHandle); 327 const jchar* textArray = env->GetCharArrayElements(text, nullptr); 328 getTextPath(env, paint, typeface, textArray + index, count, bidiFlags, x, y, path); 329 env->ReleaseCharArrayElements(text, const_cast<jchar*>(textArray), JNI_ABORT); 330 } 331 332 static void getTextPath__String(JNIEnv* env, jobject clazz, jlong paintHandle, 333 jlong typefaceHandle, jint bidiFlags, 334 jstring text, jint start, jint end, jfloat x, jfloat y, jlong pathHandle) { 335 Paint* paint = reinterpret_cast<Paint*>(paintHandle); 336 Typeface* typeface = reinterpret_cast<Typeface*>(typefaceHandle); 337 SkPath* path = reinterpret_cast<SkPath*>(pathHandle); 338 const jchar* textArray = env->GetStringChars(text, nullptr); 339 getTextPath(env, paint, typeface, textArray + start, end - start, bidiFlags, x, y, path); 340 env->ReleaseStringChars(text, textArray); 341 } 342 343 static void doTextBounds(JNIEnv* env, const jchar* text, int count, jobject bounds, 344 const Paint& paint, Typeface* typeface, jint bidiFlags) { 345 SkRect r; 346 SkIRect ir; 347 348 minikin::Layout layout; 349 MinikinUtils::doLayout(&layout, &paint, bidiFlags, typeface, text, 0, count, count); 350 minikin::MinikinRect rect; 351 layout.getBounds(&rect); 352 r.fLeft = rect.mLeft; 353 r.fTop = rect.mTop; 354 r.fRight = rect.mRight; 355 r.fBottom = rect.mBottom; 356 r.roundOut(&ir); 357 GraphicsJNI::irect_to_jrect(ir, env, bounds); 358 } 359 360 static void getStringBounds(JNIEnv* env, jobject, jlong paintHandle, jlong typefaceHandle, 361 jstring text, jint start, jint end, jint bidiFlags, jobject bounds) { 362 const Paint* paint = reinterpret_cast<Paint*>(paintHandle); 363 Typeface* typeface = reinterpret_cast<Typeface*>(typefaceHandle); 364 const jchar* textArray = env->GetStringChars(text, nullptr); 365 doTextBounds(env, textArray + start, end - start, bounds, *paint, typeface, bidiFlags); 366 env->ReleaseStringChars(text, textArray); 367 } 368 369 static void getCharArrayBounds(JNIEnv* env, jobject, jlong paintHandle, jlong typefaceHandle, 370 jcharArray text, jint index, jint count, jint bidiFlags, jobject bounds) { 371 const Paint* paint = reinterpret_cast<Paint*>(paintHandle); 372 Typeface* typeface = reinterpret_cast<Typeface*>(typefaceHandle); 373 const jchar* textArray = env->GetCharArrayElements(text, nullptr); 374 doTextBounds(env, textArray + index, count, bounds, *paint, typeface, bidiFlags); 375 env->ReleaseCharArrayElements(text, const_cast<jchar*>(textArray), 376 JNI_ABORT); 377 } 378 379 // Returns true if the given string is exact one pair of regional indicators. 380 static bool isFlag(const jchar* str, size_t length) { 381 const jchar RI_LEAD_SURROGATE = 0xD83C; 382 const jchar RI_TRAIL_SURROGATE_MIN = 0xDDE6; 383 const jchar RI_TRAIL_SURROGATE_MAX = 0xDDFF; 384 385 if (length != 4) { 386 return false; 387 } 388 if (str[0] != RI_LEAD_SURROGATE || str[2] != RI_LEAD_SURROGATE) { 389 return false; 390 } 391 return RI_TRAIL_SURROGATE_MIN <= str[1] && str[1] <= RI_TRAIL_SURROGATE_MAX && 392 RI_TRAIL_SURROGATE_MIN <= str[3] && str[3] <= RI_TRAIL_SURROGATE_MAX; 393 } 394 395 static jboolean layoutContainsNotdef(const minikin::Layout& layout) { 396 for (size_t i = 0; i < layout.nGlyphs(); i++) { 397 if (layout.getGlyphId(i) == 0) { 398 return true; 399 } 400 } 401 return false; 402 } 403 404 // Don't count glyphs that are the recommended "space" glyph and are zero width. 405 // This logic makes assumptions about HarfBuzz layout, but does correctly handle 406 // cases where ligatures form and zero width space glyphs are left in as 407 // placeholders. 408 static size_t countNonSpaceGlyphs(const minikin::Layout& layout) { 409 size_t count = 0; 410 static unsigned int kSpaceGlyphId = 3; 411 for (size_t i = 0; i < layout.nGlyphs(); i++) { 412 if (layout.getGlyphId(i) != kSpaceGlyphId || layout.getCharAdvance(i) != 0.0) { 413 count++; 414 } 415 } 416 return count; 417 } 418 419 static jboolean hasGlyph(JNIEnv *env, jclass, jlong paintHandle, jlong typefaceHandle, 420 jint bidiFlags, jstring string) { 421 const Paint* paint = reinterpret_cast<Paint*>(paintHandle); 422 Typeface* typeface = reinterpret_cast<Typeface*>(typefaceHandle); 423 ScopedStringChars str(env, string); 424 425 /* Start by rejecting unsupported base code point and variation selector pairs. */ 426 size_t nChars = 0; 427 const uint32_t kStartOfString = 0xFFFFFFFF; 428 uint32_t prevCp = kStartOfString; 429 for (size_t i = 0; i < str.size(); i++) { 430 jchar cu = str[i]; 431 uint32_t cp = cu; 432 if (U16_IS_TRAIL(cu)) { 433 // invalid UTF-16, unpaired trailing surrogate 434 return false; 435 } else if (U16_IS_LEAD(cu)) { 436 if (i + 1 == str.size()) { 437 // invalid UTF-16, unpaired leading surrogate at end of string 438 return false; 439 } 440 i++; 441 jchar cu2 = str[i]; 442 if (!U16_IS_TRAIL(cu2)) { 443 // invalid UTF-16, unpaired leading surrogate 444 return false; 445 } 446 cp = U16_GET_SUPPLEMENTARY(cu, cu2); 447 } 448 449 if (prevCp != kStartOfString && 450 ((0xFE00 <= cp && cp <= 0xFE0F) || (0xE0100 <= cp && cp <= 0xE01EF))) { 451 bool hasVS = MinikinUtils::hasVariationSelector(typeface, prevCp, cp); 452 if (!hasVS) { 453 // No font has a glyph for the code point and variation selector pair. 454 return false; 455 } else if (nChars == 1 && i + 1 == str.size()) { 456 // The string is just a codepoint and a VS, we have an authoritative answer 457 return true; 458 } 459 } 460 nChars++; 461 prevCp = cp; 462 } 463 minikin::Layout layout; 464 MinikinUtils::doLayout(&layout, paint, bidiFlags, typeface, str.get(), 0, str.size(), 465 str.size()); 466 size_t nGlyphs = countNonSpaceGlyphs(layout); 467 if (nGlyphs != 1 && nChars > 1) { 468 // multiple-character input, and was not a ligature 469 // TODO: handle ZWJ/ZWNJ characters specially so we can detect certain ligatures 470 // in joining scripts, such as Arabic and Mongolian. 471 return false; 472 } 473 474 if (nGlyphs == 0 || layoutContainsNotdef(layout)) { 475 return false; // The collection doesn't have a glyph. 476 } 477 478 if (nChars == 2 && isFlag(str.get(), str.size())) { 479 // Some font may have a special glyph for unsupported regional indicator pairs. 480 // To return false for this case, need to compare the glyph id with the one of ZZ 481 // since ZZ is reserved for unknown or invalid territory. 482 // U+1F1FF (REGIONAL INDICATOR SYMBOL LETTER Z) is \uD83C\uDDFF in UTF16. 483 static const jchar ZZ_FLAG_STR[] = { 0xD83C, 0xDDFF, 0xD83C, 0xDDFF }; 484 minikin::Layout zzLayout; 485 MinikinUtils::doLayout(&zzLayout, paint, bidiFlags, typeface, ZZ_FLAG_STR, 0, 4, 4); 486 if (zzLayout.nGlyphs() != 1 || layoutContainsNotdef(zzLayout)) { 487 // The font collection doesn't have a glyph for unknown flag. Just return true. 488 return true; 489 } 490 return zzLayout.getGlyphId(0) != layout.getGlyphId(0); 491 } 492 return true; 493 } 494 495 static jfloat doRunAdvance(const Paint* paint, Typeface* typeface, const jchar buf[], 496 jint start, jint count, jint bufSize, jboolean isRtl, jint offset) { 497 int bidiFlags = isRtl ? minikin::kBidi_Force_RTL : minikin::kBidi_Force_LTR; 498 if (offset == start + count) { 499 return MinikinUtils::measureText(paint, bidiFlags, typeface, buf, start, count, 500 bufSize, nullptr); 501 } 502 std::unique_ptr<float[]> advancesArray(new float[count]); 503 MinikinUtils::measureText(paint, bidiFlags, typeface, buf, start, count, bufSize, 504 advancesArray.get()); 505 return minikin::getRunAdvance(advancesArray.get(), buf, start, count, offset); 506 } 507 508 static jfloat getRunAdvance___CIIIIZI_F(JNIEnv *env, jclass, jlong paintHandle, 509 jlong typefaceHandle, jcharArray text, jint start, jint end, jint contextStart, 510 jint contextEnd, jboolean isRtl, jint offset) { 511 const Paint* paint = reinterpret_cast<Paint*>(paintHandle); 512 Typeface* typeface = reinterpret_cast<Typeface*>(typefaceHandle); 513 jchar* textArray = (jchar*) env->GetPrimitiveArrayCritical(text, nullptr); 514 jfloat result = doRunAdvance(paint, typeface, textArray + contextStart, 515 start - contextStart, end - start, contextEnd - contextStart, isRtl, 516 offset - contextStart); 517 env->ReleasePrimitiveArrayCritical(text, textArray, JNI_ABORT); 518 return result; 519 } 520 521 static jint doOffsetForAdvance(const Paint* paint, Typeface* typeface, const jchar buf[], 522 jint start, jint count, jint bufSize, jboolean isRtl, jfloat advance) { 523 int bidiFlags = isRtl ? minikin::kBidi_Force_RTL : minikin::kBidi_Force_LTR; 524 std::unique_ptr<float[]> advancesArray(new float[count]); 525 MinikinUtils::measureText(paint, bidiFlags, typeface, buf, start, count, bufSize, 526 advancesArray.get()); 527 return minikin::getOffsetForAdvance(advancesArray.get(), buf, start, count, advance); 528 } 529 530 static jint getOffsetForAdvance___CIIIIZF_I(JNIEnv *env, jclass, jlong paintHandle, 531 jlong typefaceHandle, jcharArray text, jint start, jint end, jint contextStart, 532 jint contextEnd, jboolean isRtl, jfloat advance) { 533 const Paint* paint = reinterpret_cast<Paint*>(paintHandle); 534 Typeface* typeface = reinterpret_cast<Typeface*>(typefaceHandle); 535 jchar* textArray = (jchar*) env->GetPrimitiveArrayCritical(text, nullptr); 536 jint result = doOffsetForAdvance(paint, typeface, textArray + contextStart, 537 start - contextStart, end - start, contextEnd - contextStart, isRtl, advance); 538 result += contextStart; 539 env->ReleasePrimitiveArrayCritical(text, textArray, JNI_ABORT); 540 return result; 541 } 542 543 // ------------------ @FastNative --------------------------- 544 545 static jint setTextLocales(JNIEnv* env, jobject clazz, jlong objHandle, jstring locales) { 546 Paint* obj = reinterpret_cast<Paint*>(objHandle); 547 ScopedUtfChars localesChars(env, locales); 548 jint minikinLangListId = minikin::FontStyle::registerLanguageList(localesChars.c_str()); 549 obj->setMinikinLangListId(minikinLangListId); 550 return minikinLangListId; 551 } 552 553 static void setFontFeatureSettings(JNIEnv* env, jobject clazz, jlong paintHandle, jstring settings) { 554 Paint* paint = reinterpret_cast<Paint*>(paintHandle); 555 if (!settings) { 556 paint->setFontFeatureSettings(std::string()); 557 } else { 558 ScopedUtfChars settingsChars(env, settings); 559 paint->setFontFeatureSettings(std::string(settingsChars.c_str(), settingsChars.size())); 560 } 561 } 562 563 static SkScalar getMetricsInternal(jlong paintHandle, jlong typefaceHandle, 564 Paint::FontMetrics *metrics) { 565 const int kElegantTop = 2500; 566 const int kElegantBottom = -1000; 567 const int kElegantAscent = 1900; 568 const int kElegantDescent = -500; 569 const int kElegantLeading = 0; 570 Paint* paint = reinterpret_cast<Paint*>(paintHandle); 571 Typeface* typeface = reinterpret_cast<Typeface*>(typefaceHandle); 572 typeface = Typeface::resolveDefault(typeface); 573 minikin::FakedFont baseFont = typeface->fFontCollection->baseFontFaked(typeface->fStyle); 574 float saveSkewX = paint->getTextSkewX(); 575 bool savefakeBold = paint->isFakeBoldText(); 576 MinikinFontSkia::populateSkPaint(paint, baseFont.font, baseFont.fakery); 577 SkScalar spacing = paint->getFontMetrics(metrics); 578 // The populateSkPaint call may have changed fake bold / text skew 579 // because we want to measure with those effects applied, so now 580 // restore the original settings. 581 paint->setTextSkewX(saveSkewX); 582 paint->setFakeBoldText(savefakeBold); 583 if (paint->getFontVariant() == minikin::VARIANT_ELEGANT) { 584 SkScalar size = paint->getTextSize(); 585 metrics->fTop = -size * kElegantTop / 2048; 586 metrics->fBottom = -size * kElegantBottom / 2048; 587 metrics->fAscent = -size * kElegantAscent / 2048; 588 metrics->fDescent = -size * kElegantDescent / 2048; 589 metrics->fLeading = size * kElegantLeading / 2048; 590 spacing = metrics->fDescent - metrics->fAscent + metrics->fLeading; 591 } 592 return spacing; 593 } 594 595 static jfloat getFontMetrics(JNIEnv* env, jobject, jlong paintHandle, 596 jlong typefaceHandle, jobject metricsObj) { 597 Paint::FontMetrics metrics; 598 SkScalar spacing = getMetricsInternal(paintHandle, typefaceHandle, &metrics); 599 600 if (metricsObj) { 601 SkASSERT(env->IsInstanceOf(metricsObj, gFontMetrics_class)); 602 env->SetFloatField(metricsObj, gFontMetrics_fieldID.top, SkScalarToFloat(metrics.fTop)); 603 env->SetFloatField(metricsObj, gFontMetrics_fieldID.ascent, SkScalarToFloat(metrics.fAscent)); 604 env->SetFloatField(metricsObj, gFontMetrics_fieldID.descent, SkScalarToFloat(metrics.fDescent)); 605 env->SetFloatField(metricsObj, gFontMetrics_fieldID.bottom, SkScalarToFloat(metrics.fBottom)); 606 env->SetFloatField(metricsObj, gFontMetrics_fieldID.leading, SkScalarToFloat(metrics.fLeading)); 607 } 608 return SkScalarToFloat(spacing); 609 } 610 611 static jint getFontMetricsInt(JNIEnv* env, jobject, jlong paintHandle, 612 jlong typefaceHandle, jobject metricsObj) { 613 Paint::FontMetrics metrics; 614 615 getMetricsInternal(paintHandle, typefaceHandle, &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 reinterpret_cast<Paint*>(paintHandle)->setUnderlineText(underlineText); 697 } 698 699 static void setStrikeThruText(jlong paintHandle, jboolean strikeThruText) { 700 reinterpret_cast<Paint*>(paintHandle)->setStrikeThruText(strikeThruText); 701 } 702 703 static void setFakeBoldText(jlong paintHandle, jboolean fakeBoldText) { 704 reinterpret_cast<Paint*>(paintHandle)->setFakeBoldText(fakeBoldText); 705 } 706 707 static void setFilterBitmap(jlong paintHandle, jboolean filterBitmap) { 708 reinterpret_cast<Paint*>(paintHandle)->setFilterQuality( 709 filterBitmap ? kLow_SkFilterQuality : kNone_SkFilterQuality); 710 } 711 712 static void setDither(jlong paintHandle, jboolean dither) { 713 reinterpret_cast<Paint*>(paintHandle)->setDither(dither); 714 } 715 716 static jint getStyle(jlong objHandle) { 717 Paint* obj = reinterpret_cast<Paint*>(objHandle); 718 return static_cast<jint>(obj->getStyle()); 719 } 720 721 static void setStyle(jlong objHandle, jint styleHandle) { 722 Paint* obj = reinterpret_cast<Paint*>(objHandle); 723 Paint::Style style = static_cast<Paint::Style>(styleHandle); 724 obj->setStyle(style); 725 } 726 727 static jint getColor(jlong paintHandle) { 728 int color; 729 color = reinterpret_cast<Paint*>(paintHandle)->getColor(); 730 return static_cast<jint>(color); 731 } 732 733 static jint getAlpha(jlong paintHandle) { 734 int alpha; 735 alpha = reinterpret_cast<Paint*>(paintHandle)->getAlpha(); 736 return static_cast<jint>(alpha); 737 } 738 739 static void setColor(jlong paintHandle, jint color) { 740 reinterpret_cast<Paint*>(paintHandle)->setColor(color); 741 } 742 743 static void setAlpha(jlong paintHandle, jint a) { 744 reinterpret_cast<Paint*>(paintHandle)->setAlpha(a); 745 } 746 747 static jfloat getStrokeWidth(jlong paintHandle) { 748 return SkScalarToFloat(reinterpret_cast<Paint*>(paintHandle)->getStrokeWidth()); 749 } 750 751 static void setStrokeWidth(jlong paintHandle, jfloat width) { 752 reinterpret_cast<Paint*>(paintHandle)->setStrokeWidth(width); 753 } 754 755 static jfloat getStrokeMiter(jlong paintHandle) { 756 return SkScalarToFloat(reinterpret_cast<Paint*>(paintHandle)->getStrokeMiter()); 757 } 758 759 static void setStrokeMiter(jlong paintHandle, jfloat miter) { 760 reinterpret_cast<Paint*>(paintHandle)->setStrokeMiter(miter); 761 } 762 763 static jint getStrokeCap(jlong objHandle) { 764 Paint* obj = reinterpret_cast<Paint*>(objHandle); 765 return static_cast<jint>(obj->getStrokeCap()); 766 } 767 768 static void setStrokeCap(jlong objHandle, jint capHandle) { 769 Paint* obj = reinterpret_cast<Paint*>(objHandle); 770 Paint::Cap cap = static_cast<Paint::Cap>(capHandle); 771 obj->setStrokeCap(cap); 772 } 773 774 static jint getStrokeJoin(jlong objHandle) { 775 Paint* obj = reinterpret_cast<Paint*>(objHandle); 776 return static_cast<jint>(obj->getStrokeJoin()); 777 } 778 779 static void setStrokeJoin(jlong objHandle, jint joinHandle) { 780 Paint* obj = reinterpret_cast<Paint*>(objHandle); 781 Paint::Join join = (Paint::Join) joinHandle; 782 obj->setStrokeJoin(join); 783 } 784 785 static jboolean getFillPath(jlong objHandle, jlong srcHandle, jlong dstHandle) { 786 Paint* obj = reinterpret_cast<Paint*>(objHandle); 787 SkPath* src = reinterpret_cast<SkPath*>(srcHandle); 788 SkPath* dst = reinterpret_cast<SkPath*>(dstHandle); 789 return obj->getFillPath(*src, dst) ? JNI_TRUE : JNI_FALSE; 790 } 791 792 static jlong setShader(jlong objHandle, jlong shaderHandle) { 793 Paint* obj = reinterpret_cast<Paint*>(objHandle); 794 SkShader* shader = reinterpret_cast<SkShader*>(shaderHandle); 795 obj->setShader(sk_ref_sp(shader)); 796 return reinterpret_cast<jlong>(obj->getShader()); 797 } 798 799 static jlong setColorFilter(jlong objHandle, jlong filterHandle) { 800 Paint* obj = reinterpret_cast<Paint *>(objHandle); 801 SkColorFilter* filter = reinterpret_cast<SkColorFilter *>(filterHandle); 802 obj->setColorFilter(sk_ref_sp(filter)); 803 return reinterpret_cast<jlong>(obj->getColorFilter()); 804 } 805 806 static void setXfermode(jlong paintHandle, jint xfermodeHandle) { 807 // validate that the Java enum values match our expectations 808 static_assert(0 == static_cast<int>(SkBlendMode::kClear), "xfermode_mismatch"); 809 static_assert(1 == static_cast<int>(SkBlendMode::kSrc), "xfermode_mismatch"); 810 static_assert(2 == static_cast<int>(SkBlendMode::kDst), "xfermode_mismatch"); 811 static_assert(3 == static_cast<int>(SkBlendMode::kSrcOver), "xfermode_mismatch"); 812 static_assert(4 == static_cast<int>(SkBlendMode::kDstOver), "xfermode_mismatch"); 813 static_assert(5 == static_cast<int>(SkBlendMode::kSrcIn), "xfermode_mismatch"); 814 static_assert(6 == static_cast<int>(SkBlendMode::kDstIn), "xfermode_mismatch"); 815 static_assert(7 == static_cast<int>(SkBlendMode::kSrcOut), "xfermode_mismatch"); 816 static_assert(8 == static_cast<int>(SkBlendMode::kDstOut), "xfermode_mismatch"); 817 static_assert(9 == static_cast<int>(SkBlendMode::kSrcATop), "xfermode_mismatch"); 818 static_assert(10 == static_cast<int>(SkBlendMode::kDstATop), "xfermode_mismatch"); 819 static_assert(11 == static_cast<int>(SkBlendMode::kXor), "xfermode_mismatch"); 820 static_assert(16 == static_cast<int>(SkBlendMode::kDarken), "xfermode_mismatch"); 821 static_assert(17 == static_cast<int>(SkBlendMode::kLighten), "xfermode_mismatch"); 822 static_assert(13 == static_cast<int>(SkBlendMode::kModulate), "xfermode_mismatch"); 823 static_assert(14 == static_cast<int>(SkBlendMode::kScreen), "xfermode_mismatch"); 824 static_assert(12 == static_cast<int>(SkBlendMode::kPlus), "xfermode_mismatch"); 825 static_assert(15 == static_cast<int>(SkBlendMode::kOverlay), "xfermode_mismatch"); 826 827 SkBlendMode mode = static_cast<SkBlendMode>(xfermodeHandle); 828 Paint* paint = reinterpret_cast<Paint*>(paintHandle); 829 paint->setBlendMode(mode); 830 } 831 832 static jlong setPathEffect(jlong objHandle, jlong effectHandle) { 833 Paint* obj = reinterpret_cast<Paint*>(objHandle); 834 SkPathEffect* effect = reinterpret_cast<SkPathEffect*>(effectHandle); 835 obj->setPathEffect(sk_ref_sp(effect)); 836 return reinterpret_cast<jlong>(obj->getPathEffect()); 837 } 838 839 static jlong setMaskFilter(jlong objHandle, jlong maskfilterHandle) { 840 Paint* obj = reinterpret_cast<Paint*>(objHandle); 841 SkMaskFilter* maskfilter = reinterpret_cast<SkMaskFilter*>(maskfilterHandle); 842 obj->setMaskFilter(sk_ref_sp(maskfilter)); 843 return reinterpret_cast<jlong>(obj->getMaskFilter()); 844 } 845 846 static jlong setTypeface(jlong objHandle, jlong typefaceHandle) { 847 // TODO: in Paint refactoring, set typeface on android Paint, not Paint 848 return 0; 849 } 850 851 static jlong setRasterizer(jlong objHandle, jlong rasterizerHandle) { 852 Paint* obj = reinterpret_cast<Paint*>(objHandle); 853 obj->setRasterizer(GraphicsJNI::refNativeRasterizer(rasterizerHandle)); 854 return reinterpret_cast<jlong>(obj->getRasterizer()); 855 } 856 857 static jint getTextAlign(jlong objHandle) { 858 Paint* obj = reinterpret_cast<Paint*>(objHandle); 859 return static_cast<jint>(obj->getTextAlign()); 860 } 861 862 static void setTextAlign(jlong objHandle, jint alignHandle) { 863 Paint* obj = reinterpret_cast<Paint*>(objHandle); 864 Paint::Align align = static_cast<Paint::Align>(alignHandle); 865 obj->setTextAlign(align); 866 } 867 868 static void setTextLocalesByMinikinLangListId(jlong objHandle, 869 jint minikinLangListId) { 870 Paint* obj = reinterpret_cast<Paint*>(objHandle); 871 obj->setMinikinLangListId(minikinLangListId); 872 } 873 874 static jboolean isElegantTextHeight(jlong paintHandle) { 875 Paint* obj = reinterpret_cast<Paint*>(paintHandle); 876 return obj->getFontVariant() == minikin::VARIANT_ELEGANT; 877 } 878 879 static void setElegantTextHeight(jlong paintHandle, jboolean aa) { 880 Paint* obj = reinterpret_cast<Paint*>(paintHandle); 881 obj->setFontVariant(aa ? minikin::VARIANT_ELEGANT : minikin::VARIANT_DEFAULT); 882 } 883 884 static jfloat getTextSize(jlong paintHandle) { 885 return SkScalarToFloat(reinterpret_cast<Paint*>(paintHandle)->getTextSize()); 886 } 887 888 static void setTextSize(jlong paintHandle, jfloat textSize) { 889 reinterpret_cast<Paint*>(paintHandle)->setTextSize(textSize); 890 } 891 892 static jfloat getTextScaleX(jlong paintHandle) { 893 return SkScalarToFloat(reinterpret_cast<Paint*>(paintHandle)->getTextScaleX()); 894 } 895 896 static void setTextScaleX(jlong paintHandle, jfloat scaleX) { 897 reinterpret_cast<Paint*>(paintHandle)->setTextScaleX(scaleX); 898 } 899 900 static jfloat getTextSkewX(jlong paintHandle) { 901 return SkScalarToFloat(reinterpret_cast<Paint*>(paintHandle)->getTextSkewX()); 902 } 903 904 static void setTextSkewX(jlong paintHandle, jfloat skewX) { 905 reinterpret_cast<Paint*>(paintHandle)->setTextSkewX(skewX); 906 } 907 908 static jfloat getLetterSpacing(jlong paintHandle) { 909 Paint* paint = reinterpret_cast<Paint*>(paintHandle); 910 return paint->getLetterSpacing(); 911 } 912 913 static void setLetterSpacing(jlong paintHandle, jfloat letterSpacing) { 914 Paint* paint = reinterpret_cast<Paint*>(paintHandle); 915 paint->setLetterSpacing(letterSpacing); 916 } 917 918 static jint getHyphenEdit(jlong paintHandle, jint hyphen) { 919 Paint* paint = reinterpret_cast<Paint*>(paintHandle); 920 return paint->getHyphenEdit(); 921 } 922 923 static void setHyphenEdit(jlong paintHandle, jint hyphen) { 924 Paint* paint = reinterpret_cast<Paint*>(paintHandle); 925 paint->setHyphenEdit((uint32_t)hyphen); 926 } 927 928 static jfloat ascent(jlong paintHandle, jlong typefaceHandle) { 929 Paint::FontMetrics metrics; 930 getMetricsInternal(paintHandle, typefaceHandle, &metrics); 931 return SkScalarToFloat(metrics.fAscent); 932 } 933 934 static jfloat descent(jlong paintHandle, jlong typefaceHandle) { 935 Paint::FontMetrics metrics; 936 getMetricsInternal(paintHandle, typefaceHandle, &metrics); 937 return SkScalarToFloat(metrics.fDescent); 938 } 939 940 static void setShadowLayer(jlong paintHandle, jfloat radius, 941 jfloat dx, jfloat dy, jint color) { 942 Paint* paint = reinterpret_cast<Paint*>(paintHandle); 943 if (radius <= 0) { 944 paint->setLooper(nullptr); 945 } 946 else { 947 SkScalar sigma = android::uirenderer::Blur::convertRadiusToSigma(radius); 948 paint->setLooper(SkBlurDrawLooper::Make((SkColor)color, sigma, dx, dy)); 949 } 950 } 951 952 static jboolean hasShadowLayer(jlong paintHandle) { 953 Paint* paint = reinterpret_cast<Paint*>(paintHandle); 954 return paint->getLooper() && paint->getLooper()->asABlurShadow(nullptr); 955 } 956 957}; // namespace PaintGlue 958 959static const JNINativeMethod methods[] = { 960 {"nGetNativeFinalizer", "()J", (void*) PaintGlue::getNativeFinalizer}, 961 {"nInit","()J", (void*) PaintGlue::init}, 962 {"nInitWithPaint","(J)J", (void*) PaintGlue::initWithPaint}, 963 {"nBreakText","(JJ[CIIFI[F)I", (void*) PaintGlue::breakTextC}, 964 {"nBreakText","(JJLjava/lang/String;ZFI[F)I", (void*) PaintGlue::breakTextS}, 965 {"nGetTextAdvances","(JJ[CIIIII[FI)F", 966 (void*) PaintGlue::getTextAdvances___CIIIII_FI}, 967 {"nGetTextAdvances","(JJLjava/lang/String;IIIII[FI)F", 968 (void*) PaintGlue::getTextAdvances__StringIIIII_FI}, 969 970 {"nGetTextRunCursor", "(J[CIIIII)I", (void*) PaintGlue::getTextRunCursor___C}, 971 {"nGetTextRunCursor", "(JLjava/lang/String;IIIII)I", 972 (void*) PaintGlue::getTextRunCursor__String}, 973 {"nGetTextPath", "(JJI[CIIFFJ)V", (void*) PaintGlue::getTextPath___C}, 974 {"nGetTextPath", "(JJILjava/lang/String;IIFFJ)V", (void*) PaintGlue::getTextPath__String}, 975 {"nGetStringBounds", "(JJLjava/lang/String;IIILandroid/graphics/Rect;)V", 976 (void*) PaintGlue::getStringBounds }, 977 {"nGetCharArrayBounds", "(JJ[CIIILandroid/graphics/Rect;)V", 978 (void*) PaintGlue::getCharArrayBounds }, 979 {"nHasGlyph", "(JJILjava/lang/String;)Z", (void*) PaintGlue::hasGlyph }, 980 {"nGetRunAdvance", "(JJ[CIIIIZI)F", (void*) PaintGlue::getRunAdvance___CIIIIZI_F}, 981 {"nGetOffsetForAdvance", "(JJ[CIIIIZF)I", 982 (void*) PaintGlue::getOffsetForAdvance___CIIIIZF_I}, 983 984 // --------------- @FastNative ---------------------- 985 986 {"nSetTextLocales","(JLjava/lang/String;)I", (void*) PaintGlue::setTextLocales}, 987 {"nSetFontFeatureSettings","(JLjava/lang/String;)V", 988 (void*) PaintGlue::setFontFeatureSettings}, 989 {"nGetFontMetrics", "(JJLandroid/graphics/Paint$FontMetrics;)F", 990 (void*)PaintGlue::getFontMetrics}, 991 {"nGetFontMetricsInt", "(JJLandroid/graphics/Paint$FontMetricsInt;)I", 992 (void*)PaintGlue::getFontMetricsInt}, 993 994 // --------------- @CriticalNative ------------------ 995 996 {"nReset","(J)V", (void*) PaintGlue::reset}, 997 {"nSet","(JJ)V", (void*) PaintGlue::assign}, 998 {"nGetFlags","(J)I", (void*) PaintGlue::getFlags}, 999 {"nSetFlags","(JI)V", (void*) PaintGlue::setFlags}, 1000 {"nGetHinting","(J)I", (void*) PaintGlue::getHinting}, 1001 {"nSetHinting","(JI)V", (void*) PaintGlue::setHinting}, 1002 {"nSetAntiAlias","(JZ)V", (void*) PaintGlue::setAntiAlias}, 1003 {"nSetSubpixelText","(JZ)V", (void*) PaintGlue::setSubpixelText}, 1004 {"nSetLinearText","(JZ)V", (void*) PaintGlue::setLinearText}, 1005 {"nSetUnderlineText","(JZ)V", (void*) PaintGlue::setUnderlineText}, 1006 {"nSetStrikeThruText","(JZ)V", (void*) PaintGlue::setStrikeThruText}, 1007 {"nSetFakeBoldText","(JZ)V", (void*) PaintGlue::setFakeBoldText}, 1008 {"nSetFilterBitmap","(JZ)V", (void*) PaintGlue::setFilterBitmap}, 1009 {"nSetDither","(JZ)V", (void*) PaintGlue::setDither}, 1010 {"nGetStyle","(J)I", (void*) PaintGlue::getStyle}, 1011 {"nSetStyle","(JI)V", (void*) PaintGlue::setStyle}, 1012 {"nGetColor","(J)I", (void*) PaintGlue::getColor}, 1013 {"nSetColor","(JI)V", (void*) PaintGlue::setColor}, 1014 {"nGetAlpha","(J)I", (void*) PaintGlue::getAlpha}, 1015 {"nSetAlpha","(JI)V", (void*) PaintGlue::setAlpha}, 1016 {"nGetStrokeWidth","(J)F", (void*) PaintGlue::getStrokeWidth}, 1017 {"nSetStrokeWidth","(JF)V", (void*) PaintGlue::setStrokeWidth}, 1018 {"nGetStrokeMiter","(J)F", (void*) PaintGlue::getStrokeMiter}, 1019 {"nSetStrokeMiter","(JF)V", (void*) PaintGlue::setStrokeMiter}, 1020 {"nGetStrokeCap","(J)I", (void*) PaintGlue::getStrokeCap}, 1021 {"nSetStrokeCap","(JI)V", (void*) PaintGlue::setStrokeCap}, 1022 {"nGetStrokeJoin","(J)I", (void*) PaintGlue::getStrokeJoin}, 1023 {"nSetStrokeJoin","(JI)V", (void*) PaintGlue::setStrokeJoin}, 1024 {"nGetFillPath","(JJJ)Z", (void*) PaintGlue::getFillPath}, 1025 {"nSetShader","(JJ)J", (void*) PaintGlue::setShader}, 1026 {"nSetColorFilter","(JJ)J", (void*) PaintGlue::setColorFilter}, 1027 {"nSetXfermode","(JI)V", (void*) PaintGlue::setXfermode}, 1028 {"nSetPathEffect","(JJ)J", (void*) PaintGlue::setPathEffect}, 1029 {"nSetMaskFilter","(JJ)J", (void*) PaintGlue::setMaskFilter}, 1030 {"nSetTypeface","(JJ)J", (void*) PaintGlue::setTypeface}, 1031 {"nSetRasterizer","(JJ)J", (void*) PaintGlue::setRasterizer}, 1032 {"nGetTextAlign","(J)I", (void*) PaintGlue::getTextAlign}, 1033 {"nSetTextAlign","(JI)V", (void*) PaintGlue::setTextAlign}, 1034 {"nSetTextLocalesByMinikinLangListId","(JI)V", 1035 (void*) PaintGlue::setTextLocalesByMinikinLangListId}, 1036 {"nIsElegantTextHeight","(J)Z", (void*) PaintGlue::isElegantTextHeight}, 1037 {"nSetElegantTextHeight","(JZ)V", (void*) PaintGlue::setElegantTextHeight}, 1038 {"nGetTextSize","(J)F", (void*) PaintGlue::getTextSize}, 1039 {"nSetTextSize","(JF)V", (void*) PaintGlue::setTextSize}, 1040 {"nGetTextScaleX","(J)F", (void*) PaintGlue::getTextScaleX}, 1041 {"nSetTextScaleX","(JF)V", (void*) PaintGlue::setTextScaleX}, 1042 {"nGetTextSkewX","(J)F", (void*) PaintGlue::getTextSkewX}, 1043 {"nSetTextSkewX","(JF)V", (void*) PaintGlue::setTextSkewX}, 1044 {"nGetLetterSpacing","(J)F", (void*) PaintGlue::getLetterSpacing}, 1045 {"nSetLetterSpacing","(JF)V", (void*) PaintGlue::setLetterSpacing}, 1046 {"nGetHyphenEdit", "(J)I", (void*) PaintGlue::getHyphenEdit}, 1047 {"nSetHyphenEdit", "(JI)V", (void*) PaintGlue::setHyphenEdit}, 1048 {"nAscent","(JJ)F", (void*) PaintGlue::ascent}, 1049 {"nDescent","(JJ)F", (void*) PaintGlue::descent}, 1050 {"nSetShadowLayer", "(JFFFI)V", (void*)PaintGlue::setShadowLayer}, 1051 {"nHasShadowLayer", "(J)Z", (void*)PaintGlue::hasShadowLayer} 1052}; 1053 1054int register_android_graphics_Paint(JNIEnv* env) { 1055 gFontMetrics_class = FindClassOrDie(env, "android/graphics/Paint$FontMetrics"); 1056 gFontMetrics_class = MakeGlobalRefOrDie(env, gFontMetrics_class); 1057 1058 gFontMetrics_fieldID.top = GetFieldIDOrDie(env, gFontMetrics_class, "top", "F"); 1059 gFontMetrics_fieldID.ascent = GetFieldIDOrDie(env, gFontMetrics_class, "ascent", "F"); 1060 gFontMetrics_fieldID.descent = GetFieldIDOrDie(env, gFontMetrics_class, "descent", "F"); 1061 gFontMetrics_fieldID.bottom = GetFieldIDOrDie(env, gFontMetrics_class, "bottom", "F"); 1062 gFontMetrics_fieldID.leading = GetFieldIDOrDie(env, gFontMetrics_class, "leading", "F"); 1063 1064 gFontMetricsInt_class = FindClassOrDie(env, "android/graphics/Paint$FontMetricsInt"); 1065 gFontMetricsInt_class = MakeGlobalRefOrDie(env, gFontMetricsInt_class); 1066 1067 gFontMetricsInt_fieldID.top = GetFieldIDOrDie(env, gFontMetricsInt_class, "top", "I"); 1068 gFontMetricsInt_fieldID.ascent = GetFieldIDOrDie(env, gFontMetricsInt_class, "ascent", "I"); 1069 gFontMetricsInt_fieldID.descent = GetFieldIDOrDie(env, gFontMetricsInt_class, "descent", "I"); 1070 gFontMetricsInt_fieldID.bottom = GetFieldIDOrDie(env, gFontMetricsInt_class, "bottom", "I"); 1071 gFontMetricsInt_fieldID.leading = GetFieldIDOrDie(env, gFontMetricsInt_class, "leading", "I"); 1072 1073 return RegisterMethodsOrDie(env, "android/graphics/Paint", methods, NELEM(methods)); 1074} 1075 1076} 1077