1 /* libs/android_runtime/android/graphics/Path.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 // This file was generated from the C++ include file: SkPath.h 19 // Any changes made to this file will be discarded by the build. 20 // To change this file, either edit the include, or device/tools/gluemaker/main.cpp, 21 // or one of the auxilary file specifications in device/tools/gluemaker. 22 23 #include "jni.h" 24 #include "GraphicsJNI.h" 25 #include "core_jni_helpers.h" 26 27 #include "SkPath.h" 28 #include "SkPathOps.h" 29 #include "SkGeometry.h" // WARNING: Internal Skia Header 30 31 #include <Caches.h> 32 #include <vector> 33 #include <map> 34 35 namespace android { 36 37 class SkPathGlue { 38 public: 39 40 // ---------------- Regular JNI ----------------------------- 41 42 static jlong init(JNIEnv* env, jclass clazz) { 43 return reinterpret_cast<jlong>(new SkPath()); 44 } 45 46 static jlong init_Path(JNIEnv* env, jclass clazz, jlong valHandle) { 47 SkPath* val = reinterpret_cast<SkPath*>(valHandle); 48 return reinterpret_cast<jlong>(new SkPath(*val)); 49 } 50 51 static void finalize(JNIEnv* env, jclass clazz, jlong objHandle) { 52 SkPath* obj = reinterpret_cast<SkPath*>(objHandle); 53 // Purge entries from the HWUI path cache if this path's data is unique 54 if (obj->unique() && android::uirenderer::Caches::hasInstance()) { 55 android::uirenderer::Caches::getInstance().pathCache.removeDeferred(obj); 56 } 57 delete obj; 58 } 59 60 static void set(JNIEnv* env, jclass clazz, jlong dstHandle, jlong srcHandle) { 61 SkPath* dst = reinterpret_cast<SkPath*>(dstHandle); 62 const SkPath* src = reinterpret_cast<SkPath*>(srcHandle); 63 *dst = *src; 64 } 65 66 static void computeBounds(JNIEnv* env, jclass clazz, jlong objHandle, jobject jbounds) { 67 SkPath* obj = reinterpret_cast<SkPath*>(objHandle); 68 const SkRect& bounds = obj->getBounds(); 69 GraphicsJNI::rect_to_jrectf(bounds, env, jbounds); 70 } 71 72 static void incReserve(JNIEnv* env, jclass clazz, jlong objHandle, jint extraPtCount) { 73 SkPath* obj = reinterpret_cast<SkPath*>(objHandle); 74 obj->incReserve(extraPtCount); 75 } 76 77 static void moveTo__FF(JNIEnv* env, jclass clazz, jlong objHandle, jfloat x, jfloat y) { 78 SkPath* obj = reinterpret_cast<SkPath*>(objHandle); 79 obj->moveTo(x, y); 80 } 81 82 static void rMoveTo(JNIEnv* env, jclass clazz, jlong objHandle, jfloat dx, jfloat dy) { 83 SkPath* obj = reinterpret_cast<SkPath*>(objHandle); 84 obj->rMoveTo(dx, dy); 85 } 86 87 static void lineTo__FF(JNIEnv* env, jclass clazz, jlong objHandle, jfloat x, jfloat y) { 88 SkPath* obj = reinterpret_cast<SkPath*>(objHandle); 89 obj->lineTo(x, y); 90 } 91 92 static void rLineTo(JNIEnv* env, jclass clazz, jlong objHandle, jfloat dx, jfloat dy) { 93 SkPath* obj = reinterpret_cast<SkPath*>(objHandle); 94 obj->rLineTo(dx, dy); 95 } 96 97 static void quadTo__FFFF(JNIEnv* env, jclass clazz, jlong objHandle, jfloat x1, jfloat y1, 98 jfloat x2, jfloat y2) { 99 SkPath* obj = reinterpret_cast<SkPath*>(objHandle); 100 obj->quadTo(x1, y1, x2, y2); 101 } 102 103 static void rQuadTo(JNIEnv* env, jclass clazz, jlong objHandle, jfloat dx1, jfloat dy1, 104 jfloat dx2, jfloat dy2) { 105 SkPath* obj = reinterpret_cast<SkPath*>(objHandle); 106 obj->rQuadTo(dx1, dy1, dx2, dy2); 107 } 108 109 static void cubicTo__FFFFFF(JNIEnv* env, jclass clazz, jlong objHandle, jfloat x1, jfloat y1, 110 jfloat x2, jfloat y2, jfloat x3, jfloat y3) { 111 SkPath* obj = reinterpret_cast<SkPath*>(objHandle); 112 obj->cubicTo(x1, y1, x2, y2, x3, y3); 113 } 114 115 static void rCubicTo(JNIEnv* env, jclass clazz, jlong objHandle, jfloat x1, jfloat y1, 116 jfloat x2, jfloat y2, jfloat x3, jfloat y3) { 117 SkPath* obj = reinterpret_cast<SkPath*>(objHandle); 118 obj->rCubicTo(x1, y1, x2, y2, x3, y3); 119 } 120 121 static void arcTo(JNIEnv* env, jclass clazz, jlong objHandle, jfloat left, jfloat top, 122 jfloat right, jfloat bottom, jfloat startAngle, jfloat sweepAngle, 123 jboolean forceMoveTo) { 124 SkPath* obj = reinterpret_cast<SkPath*>(objHandle); 125 SkRect oval = SkRect::MakeLTRB(left, top, right, bottom); 126 obj->arcTo(oval, startAngle, sweepAngle, forceMoveTo); 127 } 128 129 static void close(JNIEnv* env, jclass clazz, jlong objHandle) { 130 SkPath* obj = reinterpret_cast<SkPath*>(objHandle); 131 obj->close(); 132 } 133 134 static void addRect(JNIEnv* env, jclass clazz, jlong objHandle, 135 jfloat left, jfloat top, jfloat right, jfloat bottom, jint dirHandle) { 136 SkPath* obj = reinterpret_cast<SkPath*>(objHandle); 137 SkPath::Direction dir = static_cast<SkPath::Direction>(dirHandle); 138 obj->addRect(left, top, right, bottom, dir); 139 } 140 141 static void addOval(JNIEnv* env, jclass clazz, jlong objHandle, 142 jfloat left, jfloat top, jfloat right, jfloat bottom, jint dirHandle) { 143 SkPath* obj = reinterpret_cast<SkPath*>(objHandle); 144 SkPath::Direction dir = static_cast<SkPath::Direction>(dirHandle); 145 SkRect oval = SkRect::MakeLTRB(left, top, right, bottom); 146 obj->addOval(oval, dir); 147 } 148 149 static void addCircle(JNIEnv* env, jclass clazz, jlong objHandle, jfloat x, jfloat y, 150 jfloat radius, jint dirHandle) { 151 SkPath* obj = reinterpret_cast<SkPath*>(objHandle); 152 SkPath::Direction dir = static_cast<SkPath::Direction>(dirHandle); 153 obj->addCircle(x, y, radius, dir); 154 } 155 156 static void addArc(JNIEnv* env, jclass clazz, jlong objHandle, jfloat left, jfloat top, 157 jfloat right, jfloat bottom, jfloat startAngle, jfloat sweepAngle) { 158 SkRect oval = SkRect::MakeLTRB(left, top, right, bottom); 159 SkPath* obj = reinterpret_cast<SkPath*>(objHandle); 160 obj->addArc(oval, startAngle, sweepAngle); 161 } 162 163 static void addRoundRectXY(JNIEnv* env, jclass clazz, jlong objHandle, jfloat left, jfloat top, 164 jfloat right, jfloat bottom, jfloat rx, jfloat ry, jint dirHandle) { 165 SkRect rect = SkRect::MakeLTRB(left, top, right, bottom); 166 SkPath* obj = reinterpret_cast<SkPath*>(objHandle); 167 SkPath::Direction dir = static_cast<SkPath::Direction>(dirHandle); 168 obj->addRoundRect(rect, rx, ry, dir); 169 } 170 171 static void addRoundRect8(JNIEnv* env, jclass clazz, jlong objHandle, jfloat left, jfloat top, 172 jfloat right, jfloat bottom, jfloatArray array, jint dirHandle) { 173 SkRect rect = SkRect::MakeLTRB(left, top, right, bottom); 174 SkPath* obj = reinterpret_cast<SkPath*>(objHandle); 175 SkPath::Direction dir = static_cast<SkPath::Direction>(dirHandle); 176 AutoJavaFloatArray afa(env, array, 8); 177 #ifdef SK_SCALAR_IS_FLOAT 178 const float* src = afa.ptr(); 179 #else 180 #error Need to convert float array to SkScalar array before calling the following function. 181 #endif 182 obj->addRoundRect(rect, src, dir); 183 } 184 185 static void addPath__PathFF(JNIEnv* env, jclass clazz, jlong objHandle, jlong srcHandle, 186 jfloat dx, jfloat dy) { 187 SkPath* obj = reinterpret_cast<SkPath*>(objHandle); 188 SkPath* src = reinterpret_cast<SkPath*>(srcHandle); 189 obj->addPath(*src, dx, dy); 190 } 191 192 static void addPath__Path(JNIEnv* env, jclass clazz, jlong objHandle, jlong srcHandle) { 193 SkPath* obj = reinterpret_cast<SkPath*>(objHandle); 194 SkPath* src = reinterpret_cast<SkPath*>(srcHandle); 195 obj->addPath(*src); 196 } 197 198 static void addPath__PathMatrix(JNIEnv* env, jclass clazz, jlong objHandle, jlong srcHandle, 199 jlong matrixHandle) { 200 SkPath* obj = reinterpret_cast<SkPath*>(objHandle); 201 SkPath* src = reinterpret_cast<SkPath*>(srcHandle); 202 SkMatrix* matrix = reinterpret_cast<SkMatrix*>(matrixHandle); 203 obj->addPath(*src, *matrix); 204 } 205 206 static void offset__FF(JNIEnv* env, jclass clazz, jlong objHandle, jfloat dx, jfloat dy) { 207 SkPath* obj = reinterpret_cast<SkPath*>(objHandle); 208 obj->offset(dx, dy); 209 } 210 211 static void setLastPoint(JNIEnv* env, jclass clazz, jlong objHandle, jfloat dx, jfloat dy) { 212 SkPath* obj = reinterpret_cast<SkPath*>(objHandle); 213 obj->setLastPt(dx, dy); 214 } 215 216 static void transform__MatrixPath(JNIEnv* env, jclass clazz, jlong objHandle, jlong matrixHandle, 217 jlong dstHandle) { 218 SkPath* obj = reinterpret_cast<SkPath*>(objHandle); 219 SkMatrix* matrix = reinterpret_cast<SkMatrix*>(matrixHandle); 220 SkPath* dst = reinterpret_cast<SkPath*>(dstHandle); 221 obj->transform(*matrix, dst); 222 } 223 224 static void transform__Matrix(JNIEnv* env, jclass clazz, jlong objHandle, jlong matrixHandle) { 225 SkPath* obj = reinterpret_cast<SkPath*>(objHandle); 226 SkMatrix* matrix = reinterpret_cast<SkMatrix*>(matrixHandle); 227 obj->transform(*matrix); 228 } 229 230 static jboolean op(JNIEnv* env, jclass clazz, jlong p1Handle, jlong p2Handle, jint opHandle, 231 jlong rHandle) { 232 SkPath* p1 = reinterpret_cast<SkPath*>(p1Handle); 233 SkPath* p2 = reinterpret_cast<SkPath*>(p2Handle); 234 SkPathOp op = static_cast<SkPathOp>(opHandle); 235 SkPath* r = reinterpret_cast<SkPath*>(rHandle); 236 return Op(*p1, *p2, op, r); 237 } 238 239 typedef SkPoint (*bezierCalculation)(float t, const SkPoint* points); 240 241 static void addMove(std::vector<SkPoint>& segmentPoints, std::vector<float>& lengths, 242 const SkPoint& point) { 243 float length = 0; 244 if (!lengths.empty()) { 245 length = lengths.back(); 246 } 247 segmentPoints.push_back(point); 248 lengths.push_back(length); 249 } 250 251 static void addLine(std::vector<SkPoint>& segmentPoints, std::vector<float>& lengths, 252 const SkPoint& toPoint) { 253 if (segmentPoints.empty()) { 254 segmentPoints.push_back(SkPoint::Make(0, 0)); 255 lengths.push_back(0); 256 } else if (segmentPoints.back() == toPoint) { 257 return; // Empty line 258 } 259 float length = lengths.back() + SkPoint::Distance(segmentPoints.back(), toPoint); 260 segmentPoints.push_back(toPoint); 261 lengths.push_back(length); 262 } 263 264 static float cubicCoordinateCalculation(float t, float p0, float p1, float p2, float p3) { 265 float oneMinusT = 1 - t; 266 float oneMinusTSquared = oneMinusT * oneMinusT; 267 float oneMinusTCubed = oneMinusTSquared * oneMinusT; 268 float tSquared = t * t; 269 float tCubed = tSquared * t; 270 return (oneMinusTCubed * p0) + (3 * oneMinusTSquared * t * p1) 271 + (3 * oneMinusT * tSquared * p2) + (tCubed * p3); 272 } 273 274 static SkPoint cubicBezierCalculation(float t, const SkPoint* points) { 275 float x = cubicCoordinateCalculation(t, points[0].x(), points[1].x(), 276 points[2].x(), points[3].x()); 277 float y = cubicCoordinateCalculation(t, points[0].y(), points[1].y(), 278 points[2].y(), points[3].y()); 279 return SkPoint::Make(x, y); 280 } 281 282 static float quadraticCoordinateCalculation(float t, float p0, float p1, float p2) { 283 float oneMinusT = 1 - t; 284 return oneMinusT * ((oneMinusT * p0) + (t * p1)) + t * ((oneMinusT * p1) + (t * p2)); 285 } 286 287 static SkPoint quadraticBezierCalculation(float t, const SkPoint* points) { 288 float x = quadraticCoordinateCalculation(t, points[0].x(), points[1].x(), points[2].x()); 289 float y = quadraticCoordinateCalculation(t, points[0].y(), points[1].y(), points[2].y()); 290 return SkPoint::Make(x, y); 291 } 292 293 // Subdivide a section of the Bezier curve, set the mid-point and the mid-t value. 294 // Returns true if further subdivision is necessary as defined by errorSquared. 295 static bool subdividePoints(const SkPoint* points, bezierCalculation bezierFunction, 296 float t0, const SkPoint &p0, float t1, const SkPoint &p1, 297 float& midT, SkPoint &midPoint, float errorSquared) { 298 midT = (t1 + t0) / 2; 299 float midX = (p1.x() + p0.x()) / 2; 300 float midY = (p1.y() + p0.y()) / 2; 301 302 midPoint = (*bezierFunction)(midT, points); 303 float xError = midPoint.x() - midX; 304 float yError = midPoint.y() - midY; 305 float midErrorSquared = (xError * xError) + (yError * yError); 306 return midErrorSquared > errorSquared; 307 } 308 309 // Divides Bezier curves until linear interpolation is very close to accurate, using 310 // errorSquared as a metric. Cubic Bezier curves can have an inflection point that improperly 311 // short-circuit subdivision. If you imagine an S shape, the top and bottom points being the 312 // starting and end points, linear interpolation would mark the center where the curve places 313 // the point. It is clearly not the case that we can linearly interpolate at that point. 314 // doubleCheckDivision forces a second examination between subdivisions to ensure that linear 315 // interpolation works. 316 static void addBezier(const SkPoint* points, 317 bezierCalculation bezierFunction, std::vector<SkPoint>& segmentPoints, 318 std::vector<float>& lengths, float errorSquared, bool doubleCheckDivision) { 319 typedef std::map<float, SkPoint> PointMap; 320 PointMap tToPoint; 321 322 tToPoint[0] = (*bezierFunction)(0, points); 323 tToPoint[1] = (*bezierFunction)(1, points); 324 325 PointMap::iterator iter = tToPoint.begin(); 326 PointMap::iterator next = iter; 327 ++next; 328 while (next != tToPoint.end()) { 329 bool needsSubdivision = true; 330 SkPoint midPoint; 331 do { 332 float midT; 333 needsSubdivision = subdividePoints(points, bezierFunction, iter->first, 334 iter->second, next->first, next->second, midT, midPoint, errorSquared); 335 if (!needsSubdivision && doubleCheckDivision) { 336 SkPoint quarterPoint; 337 float quarterT; 338 needsSubdivision = subdividePoints(points, bezierFunction, iter->first, 339 iter->second, midT, midPoint, quarterT, quarterPoint, errorSquared); 340 if (needsSubdivision) { 341 // Found an inflection point. No need to double-check. 342 doubleCheckDivision = false; 343 } 344 } 345 if (needsSubdivision) { 346 next = tToPoint.insert(iter, PointMap::value_type(midT, midPoint)); 347 } 348 } while (needsSubdivision); 349 iter = next; 350 next++; 351 } 352 353 // Now that each division can use linear interpolation with less than the allowed error 354 for (iter = tToPoint.begin(); iter != tToPoint.end(); ++iter) { 355 addLine(segmentPoints, lengths, iter->second); 356 } 357 } 358 359 static void createVerbSegments(const SkPath::Iter& pathIter, SkPath::Verb verb, 360 const SkPoint* points, std::vector<SkPoint>& segmentPoints, 361 std::vector<float>& lengths, float errorSquared, float errorConic) { 362 switch (verb) { 363 case SkPath::kMove_Verb: 364 addMove(segmentPoints, lengths, points[0]); 365 break; 366 case SkPath::kClose_Verb: 367 addLine(segmentPoints, lengths, points[0]); 368 break; 369 case SkPath::kLine_Verb: 370 addLine(segmentPoints, lengths, points[1]); 371 break; 372 case SkPath::kQuad_Verb: 373 addBezier(points, quadraticBezierCalculation, segmentPoints, lengths, 374 errorSquared, false); 375 break; 376 case SkPath::kCubic_Verb: 377 addBezier(points, cubicBezierCalculation, segmentPoints, lengths, 378 errorSquared, true); 379 break; 380 case SkPath::kConic_Verb: { 381 SkAutoConicToQuads converter; 382 const SkPoint* quads = converter.computeQuads( 383 points, pathIter.conicWeight(), errorConic); 384 for (int i = 0; i < converter.countQuads(); i++) { 385 // Note: offset each subsequent quad by 2, since end points are shared 386 const SkPoint* quad = quads + i * 2; 387 addBezier(quad, quadraticBezierCalculation, segmentPoints, lengths, 388 errorConic, false); 389 } 390 break; 391 } 392 default: 393 static_assert(SkPath::kMove_Verb == 0 394 && SkPath::kLine_Verb == 1 395 && SkPath::kQuad_Verb == 2 396 && SkPath::kConic_Verb == 3 397 && SkPath::kCubic_Verb == 4 398 && SkPath::kClose_Verb == 5 399 && SkPath::kDone_Verb == 6, 400 "Path enum changed, new types may have been added."); 401 break; 402 } 403 } 404 405 // Returns a float[] with each point along the path represented by 3 floats 406 // * fractional length along the path that the point resides 407 // * x coordinate 408 // * y coordinate 409 // Note that more than one point may have the same length along the path in 410 // the case of a move. 411 // NULL can be returned if the Path is empty. 412 static jfloatArray approximate(JNIEnv* env, jclass clazz, jlong pathHandle, 413 float acceptableError) { 414 SkPath* path = reinterpret_cast<SkPath*>(pathHandle); 415 SkASSERT(path); 416 SkPath::Iter pathIter(*path, false); 417 SkPath::Verb verb; 418 SkPoint points[4]; 419 std::vector<SkPoint> segmentPoints; 420 std::vector<float> lengths; 421 float errorSquared = acceptableError * acceptableError; 422 float errorConic = acceptableError / 2; // somewhat arbitrary 423 424 while ((verb = pathIter.next(points, false)) != SkPath::kDone_Verb) { 425 createVerbSegments(pathIter, verb, points, segmentPoints, lengths, 426 errorSquared, errorConic); 427 } 428 429 if (segmentPoints.empty()) { 430 int numVerbs = path->countVerbs(); 431 if (numVerbs == 1) { 432 addMove(segmentPoints, lengths, path->getPoint(0)); 433 } else { 434 // Invalid or empty path. Fall back to point(0,0) 435 addMove(segmentPoints, lengths, SkPoint()); 436 } 437 } 438 439 float totalLength = lengths.back(); 440 if (totalLength == 0) { 441 // Lone Move instructions should still be able to animate at the same value. 442 segmentPoints.push_back(segmentPoints.back()); 443 lengths.push_back(1); 444 totalLength = 1; 445 } 446 447 size_t numPoints = segmentPoints.size(); 448 size_t approximationArraySize = numPoints * 3; 449 450 float* approximation = new float[approximationArraySize]; 451 452 int approximationIndex = 0; 453 for (size_t i = 0; i < numPoints; i++) { 454 const SkPoint& point = segmentPoints[i]; 455 approximation[approximationIndex++] = lengths[i] / totalLength; 456 approximation[approximationIndex++] = point.x(); 457 approximation[approximationIndex++] = point.y(); 458 } 459 460 jfloatArray result = env->NewFloatArray(approximationArraySize); 461 env->SetFloatArrayRegion(result, 0, approximationArraySize, approximation); 462 delete[] approximation; 463 return result; 464 } 465 466 // ---------------- @FastNative ----------------------------- 467 468 static jboolean isRect(JNIEnv* env, jclass clazz, jlong objHandle, jobject jrect) { 469 SkRect rect; 470 SkPath* obj = reinterpret_cast<SkPath*>(objHandle); 471 jboolean result = obj->isRect(&rect); 472 GraphicsJNI::rect_to_jrectf(rect, env, jrect); 473 return result; 474 } 475 476 // ---------------- @CriticalNative ------------------------- 477 478 static void reset(jlong objHandle) { 479 SkPath* obj = reinterpret_cast<SkPath*>(objHandle); 480 obj->reset(); 481 } 482 483 static void rewind(jlong objHandle) { 484 SkPath* obj = reinterpret_cast<SkPath*>(objHandle); 485 obj->rewind(); 486 } 487 488 static jboolean isEmpty(jlong objHandle) { 489 SkPath* obj = reinterpret_cast<SkPath*>(objHandle); 490 return obj->isEmpty(); 491 } 492 493 static jboolean isConvex(jlong objHandle) { 494 SkPath* obj = reinterpret_cast<SkPath*>(objHandle); 495 return obj->isConvex(); 496 } 497 498 static jint getFillType(jlong objHandle) { 499 SkPath* obj = reinterpret_cast<SkPath*>(objHandle); 500 return obj->getFillType(); 501 } 502 503 static void setFillType(jlong pathHandle, jint ftHandle) {; 504 SkPath* path = reinterpret_cast<SkPath*>(pathHandle); 505 SkPath::FillType ft = static_cast<SkPath::FillType>(ftHandle); 506 path->setFillType(ft); 507 } 508 }; 509 510 static const JNINativeMethod methods[] = { 511 {"nInit","()J", (void*) SkPathGlue::init}, 512 {"nInit","(J)J", (void*) SkPathGlue::init_Path}, 513 {"nFinalize", "(J)V", (void*) SkPathGlue::finalize}, 514 {"nSet","(JJ)V", (void*) SkPathGlue::set}, 515 {"nComputeBounds","(JLandroid/graphics/RectF;)V", (void*) SkPathGlue::computeBounds}, 516 {"nIncReserve","(JI)V", (void*) SkPathGlue::incReserve}, 517 {"nMoveTo","(JFF)V", (void*) SkPathGlue::moveTo__FF}, 518 {"nRMoveTo","(JFF)V", (void*) SkPathGlue::rMoveTo}, 519 {"nLineTo","(JFF)V", (void*) SkPathGlue::lineTo__FF}, 520 {"nRLineTo","(JFF)V", (void*) SkPathGlue::rLineTo}, 521 {"nQuadTo","(JFFFF)V", (void*) SkPathGlue::quadTo__FFFF}, 522 {"nRQuadTo","(JFFFF)V", (void*) SkPathGlue::rQuadTo}, 523 {"nCubicTo","(JFFFFFF)V", (void*) SkPathGlue::cubicTo__FFFFFF}, 524 {"nRCubicTo","(JFFFFFF)V", (void*) SkPathGlue::rCubicTo}, 525 {"nArcTo","(JFFFFFFZ)V", (void*) SkPathGlue::arcTo}, 526 {"nClose","(J)V", (void*) SkPathGlue::close}, 527 {"nAddRect","(JFFFFI)V", (void*) SkPathGlue::addRect}, 528 {"nAddOval","(JFFFFI)V", (void*) SkPathGlue::addOval}, 529 {"nAddCircle","(JFFFI)V", (void*) SkPathGlue::addCircle}, 530 {"nAddArc","(JFFFFFF)V", (void*) SkPathGlue::addArc}, 531 {"nAddRoundRect","(JFFFFFFI)V", (void*) SkPathGlue::addRoundRectXY}, 532 {"nAddRoundRect","(JFFFF[FI)V", (void*) SkPathGlue::addRoundRect8}, 533 {"nAddPath","(JJFF)V", (void*) SkPathGlue::addPath__PathFF}, 534 {"nAddPath","(JJ)V", (void*) SkPathGlue::addPath__Path}, 535 {"nAddPath","(JJJ)V", (void*) SkPathGlue::addPath__PathMatrix}, 536 {"nOffset","(JFF)V", (void*) SkPathGlue::offset__FF}, 537 {"nSetLastPoint","(JFF)V", (void*) SkPathGlue::setLastPoint}, 538 {"nTransform","(JJJ)V", (void*) SkPathGlue::transform__MatrixPath}, 539 {"nTransform","(JJ)V", (void*) SkPathGlue::transform__Matrix}, 540 {"nOp","(JJIJ)Z", (void*) SkPathGlue::op}, 541 {"nApproximate", "(JF)[F", (void*) SkPathGlue::approximate}, 542 543 // ------- @FastNative below here ---------------------- 544 {"nIsRect","(JLandroid/graphics/RectF;)Z", (void*) SkPathGlue::isRect}, 545 546 // ------- @CriticalNative below here ------------------ 547 {"nReset","(J)V", (void*) SkPathGlue::reset}, 548 {"nRewind","(J)V", (void*) SkPathGlue::rewind}, 549 {"nIsEmpty","(J)Z", (void*) SkPathGlue::isEmpty}, 550 {"nIsConvex","(J)Z", (void*) SkPathGlue::isConvex}, 551 {"nGetFillType","(J)I", (void*) SkPathGlue::getFillType}, 552 {"nSetFillType","(JI)V", (void*) SkPathGlue::setFillType}, 553 }; 554 555 int register_android_graphics_Path(JNIEnv* env) { 556 return RegisterMethodsOrDie(env, "android/graphics/Path", methods, NELEM(methods)); 557 558 static_assert(0 == SkPath::kCW_Direction, "direction_mismatch"); 559 static_assert(1 == SkPath::kCCW_Direction, "direction_mismatch"); 560 } 561 562 } 563