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 30 #include <Caches.h> 31 #include <vector> 32 #include <map> 33 34 namespace android { 35 36 class SkPathGlue { 37 public: 38 39 static void finalizer(JNIEnv* env, jobject clazz, jlong objHandle) { 40 SkPath* obj = reinterpret_cast<SkPath*>(objHandle); 41 // Purge entries from the HWUI path cache if this path's data is unique 42 if (obj->unique() && android::uirenderer::Caches::hasInstance()) { 43 android::uirenderer::Caches::getInstance().pathCache.removeDeferred(obj); 44 } 45 delete obj; 46 } 47 48 static jlong init1(JNIEnv* env, jobject clazz) { 49 return reinterpret_cast<jlong>(new SkPath()); 50 } 51 52 static jlong init2(JNIEnv* env, jobject clazz, jlong valHandle) { 53 SkPath* val = reinterpret_cast<SkPath*>(valHandle); 54 return reinterpret_cast<jlong>(new SkPath(*val)); 55 } 56 57 static void reset(JNIEnv* env, jobject clazz, jlong objHandle) { 58 SkPath* obj = reinterpret_cast<SkPath*>(objHandle); 59 obj->reset(); 60 } 61 62 static void rewind(JNIEnv* env, jobject clazz, jlong objHandle) { 63 SkPath* obj = reinterpret_cast<SkPath*>(objHandle); 64 obj->rewind(); 65 } 66 67 static void assign(JNIEnv* env, jobject clazz, jlong dstHandle, jlong srcHandle) { 68 SkPath* dst = reinterpret_cast<SkPath*>(dstHandle); 69 const SkPath* src = reinterpret_cast<SkPath*>(srcHandle); 70 *dst = *src; 71 } 72 73 static jboolean isConvex(JNIEnv* env, jobject clazz, jlong objHandle) { 74 SkPath* obj = reinterpret_cast<SkPath*>(objHandle); 75 return obj->isConvex(); 76 } 77 78 static jint getFillType(JNIEnv* env, jobject clazz, jlong objHandle) { 79 SkPath* obj = reinterpret_cast<SkPath*>(objHandle); 80 return obj->getFillType(); 81 } 82 83 static void setFillType(JNIEnv* env, jobject clazz, jlong pathHandle, jint ftHandle) { 84 SkPath* path = reinterpret_cast<SkPath*>(pathHandle); 85 SkPath::FillType ft = static_cast<SkPath::FillType>(ftHandle); 86 path->setFillType(ft); 87 } 88 89 static jboolean isEmpty(JNIEnv* env, jobject clazz, jlong objHandle) { 90 SkPath* obj = reinterpret_cast<SkPath*>(objHandle); 91 return obj->isEmpty(); 92 } 93 94 static jboolean isRect(JNIEnv* env, jobject clazz, jlong objHandle, jobject jrect) { 95 SkRect rect; 96 SkPath* obj = reinterpret_cast<SkPath*>(objHandle); 97 jboolean result = obj->isRect(&rect); 98 GraphicsJNI::rect_to_jrectf(rect, env, jrect); 99 return result; 100 } 101 102 static void computeBounds(JNIEnv* env, jobject clazz, jlong objHandle, jobject jbounds) { 103 SkPath* obj = reinterpret_cast<SkPath*>(objHandle); 104 const SkRect& bounds = obj->getBounds(); 105 GraphicsJNI::rect_to_jrectf(bounds, env, jbounds); 106 } 107 108 static void incReserve(JNIEnv* env, jobject clazz, jlong objHandle, jint extraPtCount) { 109 SkPath* obj = reinterpret_cast<SkPath*>(objHandle); 110 obj->incReserve(extraPtCount); 111 } 112 113 static void moveTo__FF(JNIEnv* env, jobject clazz, jlong objHandle, jfloat x, jfloat y) { 114 SkPath* obj = reinterpret_cast<SkPath*>(objHandle); 115 obj->moveTo(x, y); 116 } 117 118 static void rMoveTo(JNIEnv* env, jobject clazz, jlong objHandle, jfloat dx, jfloat dy) { 119 SkPath* obj = reinterpret_cast<SkPath*>(objHandle); 120 obj->rMoveTo(dx, dy); 121 } 122 123 static void lineTo__FF(JNIEnv* env, jobject clazz, jlong objHandle, jfloat x, jfloat y) { 124 SkPath* obj = reinterpret_cast<SkPath*>(objHandle); 125 obj->lineTo(x, y); 126 } 127 128 static void rLineTo(JNIEnv* env, jobject clazz, jlong objHandle, jfloat dx, jfloat dy) { 129 SkPath* obj = reinterpret_cast<SkPath*>(objHandle); 130 obj->rLineTo(dx, dy); 131 } 132 133 static void quadTo__FFFF(JNIEnv* env, jobject clazz, jlong objHandle, jfloat x1, jfloat y1, jfloat x2, jfloat y2) { 134 SkPath* obj = reinterpret_cast<SkPath*>(objHandle); 135 obj->quadTo(x1, y1, x2, y2); 136 } 137 138 static void rQuadTo(JNIEnv* env, jobject clazz, jlong objHandle, jfloat dx1, jfloat dy1, jfloat dx2, jfloat dy2) { 139 SkPath* obj = reinterpret_cast<SkPath*>(objHandle); 140 obj->rQuadTo(dx1, dy1, dx2, dy2); 141 } 142 143 static void cubicTo__FFFFFF(JNIEnv* env, jobject clazz, jlong objHandle, jfloat x1, jfloat y1, jfloat x2, jfloat y2, jfloat x3, jfloat y3) { 144 SkPath* obj = reinterpret_cast<SkPath*>(objHandle); 145 obj->cubicTo(x1, y1, x2, y2, x3, y3); 146 } 147 148 static void rCubicTo(JNIEnv* env, jobject clazz, jlong objHandle, jfloat x1, jfloat y1, jfloat x2, jfloat y2, jfloat x3, jfloat y3) { 149 SkPath* obj = reinterpret_cast<SkPath*>(objHandle); 150 obj->rCubicTo(x1, y1, x2, y2, x3, y3); 151 } 152 153 static void arcTo(JNIEnv* env, jobject clazz, jlong objHandle, jfloat left, jfloat top, 154 jfloat right, jfloat bottom, jfloat startAngle, jfloat sweepAngle, 155 jboolean forceMoveTo) { 156 SkPath* obj = reinterpret_cast<SkPath*>(objHandle); 157 SkRect oval = SkRect::MakeLTRB(left, top, right, bottom); 158 obj->arcTo(oval, startAngle, sweepAngle, forceMoveTo); 159 } 160 161 static void close(JNIEnv* env, jobject clazz, jlong objHandle) { 162 SkPath* obj = reinterpret_cast<SkPath*>(objHandle); 163 obj->close(); 164 } 165 166 static void addRect(JNIEnv* env, jobject clazz, jlong objHandle, 167 jfloat left, jfloat top, jfloat right, jfloat bottom, jint dirHandle) { 168 SkPath* obj = reinterpret_cast<SkPath*>(objHandle); 169 SkPath::Direction dir = static_cast<SkPath::Direction>(dirHandle); 170 obj->addRect(left, top, right, bottom, dir); 171 } 172 173 static void addOval(JNIEnv* env, jobject clazz, jlong objHandle, 174 jfloat left, jfloat top, jfloat right, jfloat bottom, jint dirHandle) { 175 SkPath* obj = reinterpret_cast<SkPath*>(objHandle); 176 SkPath::Direction dir = static_cast<SkPath::Direction>(dirHandle); 177 SkRect oval = SkRect::MakeLTRB(left, top, right, bottom); 178 obj->addOval(oval, dir); 179 } 180 181 static void addCircle(JNIEnv* env, jobject clazz, jlong objHandle, jfloat x, jfloat y, jfloat radius, jint dirHandle) { 182 SkPath* obj = reinterpret_cast<SkPath*>(objHandle); 183 SkPath::Direction dir = static_cast<SkPath::Direction>(dirHandle); 184 obj->addCircle(x, y, radius, dir); 185 } 186 187 static void addArc(JNIEnv* env, jobject clazz, jlong objHandle, jfloat left, jfloat top, 188 jfloat right, jfloat bottom, jfloat startAngle, jfloat sweepAngle) { 189 SkRect oval = SkRect::MakeLTRB(left, top, right, bottom); 190 SkPath* obj = reinterpret_cast<SkPath*>(objHandle); 191 obj->addArc(oval, startAngle, sweepAngle); 192 } 193 194 static void addRoundRectXY(JNIEnv* env, jobject clazz, jlong objHandle, jfloat left, jfloat top, 195 jfloat right, jfloat bottom, jfloat rx, jfloat ry, jint dirHandle) { 196 SkRect rect = SkRect::MakeLTRB(left, top, right, bottom); 197 SkPath* obj = reinterpret_cast<SkPath*>(objHandle); 198 SkPath::Direction dir = static_cast<SkPath::Direction>(dirHandle); 199 obj->addRoundRect(rect, rx, ry, dir); 200 } 201 202 static void addRoundRect8(JNIEnv* env, jobject, jlong objHandle, jfloat left, jfloat top, 203 jfloat right, jfloat bottom, jfloatArray array, jint dirHandle) { 204 SkRect rect = SkRect::MakeLTRB(left, top, right, bottom); 205 SkPath* obj = reinterpret_cast<SkPath*>(objHandle); 206 SkPath::Direction dir = static_cast<SkPath::Direction>(dirHandle); 207 AutoJavaFloatArray afa(env, array, 8); 208 #ifdef SK_SCALAR_IS_FLOAT 209 const float* src = afa.ptr(); 210 #else 211 #error Need to convert float array to SkScalar array before calling the following function. 212 #endif 213 obj->addRoundRect(rect, src, dir); 214 } 215 216 static void addPath__PathFF(JNIEnv* env, jobject clazz, jlong objHandle, jlong srcHandle, jfloat dx, jfloat dy) { 217 SkPath* obj = reinterpret_cast<SkPath*>(objHandle); 218 SkPath* src = reinterpret_cast<SkPath*>(srcHandle); 219 obj->addPath(*src, dx, dy); 220 } 221 222 static void addPath__Path(JNIEnv* env, jobject clazz, jlong objHandle, jlong srcHandle) { 223 SkPath* obj = reinterpret_cast<SkPath*>(objHandle); 224 SkPath* src = reinterpret_cast<SkPath*>(srcHandle); 225 obj->addPath(*src); 226 } 227 228 static void addPath__PathMatrix(JNIEnv* env, jobject clazz, jlong objHandle, jlong srcHandle, jlong matrixHandle) { 229 SkPath* obj = reinterpret_cast<SkPath*>(objHandle); 230 SkPath* src = reinterpret_cast<SkPath*>(srcHandle); 231 SkMatrix* matrix = reinterpret_cast<SkMatrix*>(matrixHandle); 232 obj->addPath(*src, *matrix); 233 } 234 235 static void offset__FF(JNIEnv* env, jobject clazz, jlong objHandle, jfloat dx, jfloat dy) { 236 SkPath* obj = reinterpret_cast<SkPath*>(objHandle); 237 obj->offset(dx, dy); 238 } 239 240 static void setLastPoint(JNIEnv* env, jobject clazz, jlong objHandle, jfloat dx, jfloat dy) { 241 SkPath* obj = reinterpret_cast<SkPath*>(objHandle); 242 obj->setLastPt(dx, dy); 243 } 244 245 static void transform__MatrixPath(JNIEnv* env, jobject clazz, jlong objHandle, jlong matrixHandle, jlong dstHandle) { 246 SkPath* obj = reinterpret_cast<SkPath*>(objHandle); 247 SkMatrix* matrix = reinterpret_cast<SkMatrix*>(matrixHandle); 248 SkPath* dst = reinterpret_cast<SkPath*>(dstHandle); 249 obj->transform(*matrix, dst); 250 } 251 252 static void transform__Matrix(JNIEnv* env, jobject clazz, jlong objHandle, jlong matrixHandle) { 253 SkPath* obj = reinterpret_cast<SkPath*>(objHandle); 254 SkMatrix* matrix = reinterpret_cast<SkMatrix*>(matrixHandle); 255 obj->transform(*matrix); 256 } 257 258 static jboolean op(JNIEnv* env, jobject clazz, jlong p1Handle, jlong p2Handle, jint opHandle, jlong rHandle) { 259 SkPath* p1 = reinterpret_cast<SkPath*>(p1Handle); 260 SkPath* p2 = reinterpret_cast<SkPath*>(p2Handle); 261 SkPathOp op = static_cast<SkPathOp>(opHandle); 262 SkPath* r = reinterpret_cast<SkPath*>(rHandle); 263 return Op(*p1, *p2, op, r); 264 } 265 266 typedef SkPoint (*bezierCalculation)(float t, const SkPoint* points); 267 268 static void addMove(std::vector<SkPoint>& segmentPoints, std::vector<float>& lengths, 269 const SkPoint& point) { 270 float length = 0; 271 if (!lengths.empty()) { 272 length = lengths.back(); 273 } 274 segmentPoints.push_back(point); 275 lengths.push_back(length); 276 } 277 278 static void addLine(std::vector<SkPoint>& segmentPoints, std::vector<float>& lengths, 279 const SkPoint& toPoint) { 280 if (segmentPoints.empty()) { 281 segmentPoints.push_back(SkPoint::Make(0, 0)); 282 lengths.push_back(0); 283 } else if (segmentPoints.back() == toPoint) { 284 return; // Empty line 285 } 286 float length = lengths.back() + SkPoint::Distance(segmentPoints.back(), toPoint); 287 segmentPoints.push_back(toPoint); 288 lengths.push_back(length); 289 } 290 291 static float cubicCoordinateCalculation(float t, float p0, float p1, float p2, float p3) { 292 float oneMinusT = 1 - t; 293 float oneMinusTSquared = oneMinusT * oneMinusT; 294 float oneMinusTCubed = oneMinusTSquared * oneMinusT; 295 float tSquared = t * t; 296 float tCubed = tSquared * t; 297 return (oneMinusTCubed * p0) + (3 * oneMinusTSquared * t * p1) 298 + (3 * oneMinusT * tSquared * p2) + (tCubed * p3); 299 } 300 301 static SkPoint cubicBezierCalculation(float t, const SkPoint* points) { 302 float x = cubicCoordinateCalculation(t, points[0].x(), points[1].x(), 303 points[2].x(), points[3].x()); 304 float y = cubicCoordinateCalculation(t, points[0].y(), points[1].y(), 305 points[2].y(), points[3].y()); 306 return SkPoint::Make(x, y); 307 } 308 309 static float quadraticCoordinateCalculation(float t, float p0, float p1, float p2) { 310 float oneMinusT = 1 - t; 311 return oneMinusT * ((oneMinusT * p0) + (t * p1)) + t * ((oneMinusT * p1) + (t * p2)); 312 } 313 314 static SkPoint quadraticBezierCalculation(float t, const SkPoint* points) { 315 float x = quadraticCoordinateCalculation(t, points[0].x(), points[1].x(), points[2].x()); 316 float y = quadraticCoordinateCalculation(t, points[0].y(), points[1].y(), points[2].y()); 317 return SkPoint::Make(x, y); 318 } 319 320 // Subdivide a section of the Bezier curve, set the mid-point and the mid-t value. 321 // Returns true if further subdivision is necessary as defined by errorSquared. 322 static bool subdividePoints(const SkPoint* points, bezierCalculation bezierFunction, 323 float t0, const SkPoint &p0, float t1, const SkPoint &p1, 324 float& midT, SkPoint &midPoint, float errorSquared) { 325 midT = (t1 + t0) / 2; 326 float midX = (p1.x() + p0.x()) / 2; 327 float midY = (p1.y() + p0.y()) / 2; 328 329 midPoint = (*bezierFunction)(midT, points); 330 float xError = midPoint.x() - midX; 331 float yError = midPoint.y() - midY; 332 float midErrorSquared = (xError * xError) + (yError * yError); 333 return midErrorSquared > errorSquared; 334 } 335 336 // Divides Bezier curves until linear interpolation is very close to accurate, using 337 // errorSquared as a metric. Cubic Bezier curves can have an inflection point that improperly 338 // short-circuit subdivision. If you imagine an S shape, the top and bottom points being the 339 // starting and end points, linear interpolation would mark the center where the curve places 340 // the point. It is clearly not the case that we can linearly interpolate at that point. 341 // doubleCheckDivision forces a second examination between subdivisions to ensure that linear 342 // interpolation works. 343 static void addBezier(const SkPoint* points, 344 bezierCalculation bezierFunction, std::vector<SkPoint>& segmentPoints, 345 std::vector<float>& lengths, float errorSquared, bool doubleCheckDivision) { 346 typedef std::map<float, SkPoint> PointMap; 347 PointMap tToPoint; 348 349 tToPoint[0] = (*bezierFunction)(0, points); 350 tToPoint[1] = (*bezierFunction)(1, points); 351 352 PointMap::iterator iter = tToPoint.begin(); 353 PointMap::iterator next = iter; 354 ++next; 355 while (next != tToPoint.end()) { 356 bool needsSubdivision = true; 357 SkPoint midPoint; 358 do { 359 float midT; 360 needsSubdivision = subdividePoints(points, bezierFunction, iter->first, 361 iter->second, next->first, next->second, midT, midPoint, errorSquared); 362 if (!needsSubdivision && doubleCheckDivision) { 363 SkPoint quarterPoint; 364 float quarterT; 365 needsSubdivision = subdividePoints(points, bezierFunction, iter->first, 366 iter->second, midT, midPoint, quarterT, quarterPoint, errorSquared); 367 if (needsSubdivision) { 368 // Found an inflection point. No need to double-check. 369 doubleCheckDivision = false; 370 } 371 } 372 if (needsSubdivision) { 373 next = tToPoint.insert(iter, PointMap::value_type(midT, midPoint)); 374 } 375 } while (needsSubdivision); 376 iter = next; 377 next++; 378 } 379 380 // Now that each division can use linear interpolation with less than the allowed error 381 for (iter = tToPoint.begin(); iter != tToPoint.end(); ++iter) { 382 addLine(segmentPoints, lengths, iter->second); 383 } 384 } 385 386 static void createVerbSegments(SkPath::Verb verb, const SkPoint* points, 387 std::vector<SkPoint>& segmentPoints, std::vector<float>& lengths, float errorSquared) { 388 switch (verb) { 389 case SkPath::kMove_Verb: 390 addMove(segmentPoints, lengths, points[0]); 391 break; 392 case SkPath::kClose_Verb: 393 addLine(segmentPoints, lengths, points[0]); 394 break; 395 case SkPath::kLine_Verb: 396 addLine(segmentPoints, lengths, points[1]); 397 break; 398 case SkPath::kQuad_Verb: 399 addBezier(points, quadraticBezierCalculation, segmentPoints, lengths, 400 errorSquared, false); 401 break; 402 case SkPath::kCubic_Verb: 403 addBezier(points, cubicBezierCalculation, segmentPoints, lengths, 404 errorSquared, true); 405 break; 406 default: 407 // Leave element as NULL, Conic sections are not supported. 408 break; 409 } 410 } 411 412 // Returns a float[] with each point along the path represented by 3 floats 413 // * fractional length along the path that the point resides 414 // * x coordinate 415 // * y coordinate 416 // Note that more than one point may have the same length along the path in 417 // the case of a move. 418 // NULL can be returned if the Path is empty. 419 static jfloatArray approximate(JNIEnv* env, jclass, jlong pathHandle, float acceptableError) 420 { 421 SkPath* path = reinterpret_cast<SkPath*>(pathHandle); 422 SkASSERT(path); 423 SkPath::Iter pathIter(*path, false); 424 SkPath::Verb verb; 425 SkPoint points[4]; 426 std::vector<SkPoint> segmentPoints; 427 std::vector<float> lengths; 428 float errorSquared = acceptableError * acceptableError; 429 430 while ((verb = pathIter.next(points, false)) != SkPath::kDone_Verb) { 431 createVerbSegments(verb, points, segmentPoints, lengths, errorSquared); 432 } 433 434 if (segmentPoints.empty()) { 435 int numVerbs = path->countVerbs(); 436 if (numVerbs == 1) { 437 addMove(segmentPoints, lengths, path->getPoint(0)); 438 } else { 439 // Invalid or empty path. Fall back to point(0,0) 440 addMove(segmentPoints, lengths, SkPoint()); 441 } 442 } 443 444 float totalLength = lengths.back(); 445 if (totalLength == 0) { 446 // Lone Move instructions should still be able to animate at the same value. 447 segmentPoints.push_back(segmentPoints.back()); 448 lengths.push_back(1); 449 totalLength = 1; 450 } 451 452 size_t numPoints = segmentPoints.size(); 453 size_t approximationArraySize = numPoints * 3; 454 455 float* approximation = new float[approximationArraySize]; 456 457 int approximationIndex = 0; 458 for (size_t i = 0; i < numPoints; i++) { 459 const SkPoint& point = segmentPoints[i]; 460 approximation[approximationIndex++] = lengths[i] / totalLength; 461 approximation[approximationIndex++] = point.x(); 462 approximation[approximationIndex++] = point.y(); 463 } 464 465 jfloatArray result = env->NewFloatArray(approximationArraySize); 466 env->SetFloatArrayRegion(result, 0, approximationArraySize, approximation); 467 delete[] approximation; 468 return result; 469 } 470 }; 471 472 static const JNINativeMethod methods[] = { 473 {"finalizer", "(J)V", (void*) SkPathGlue::finalizer}, 474 {"init1","()J", (void*) SkPathGlue::init1}, 475 {"init2","(J)J", (void*) SkPathGlue::init2}, 476 {"native_reset","(J)V", (void*) SkPathGlue::reset}, 477 {"native_rewind","(J)V", (void*) SkPathGlue::rewind}, 478 {"native_set","(JJ)V", (void*) SkPathGlue::assign}, 479 {"native_isConvex","(J)Z", (void*) SkPathGlue::isConvex}, 480 {"native_getFillType","(J)I", (void*) SkPathGlue::getFillType}, 481 {"native_setFillType","(JI)V", (void*) SkPathGlue::setFillType}, 482 {"native_isEmpty","(J)Z", (void*) SkPathGlue::isEmpty}, 483 {"native_isRect","(JLandroid/graphics/RectF;)Z", (void*) SkPathGlue::isRect}, 484 {"native_computeBounds","(JLandroid/graphics/RectF;)V", (void*) SkPathGlue::computeBounds}, 485 {"native_incReserve","(JI)V", (void*) SkPathGlue::incReserve}, 486 {"native_moveTo","(JFF)V", (void*) SkPathGlue::moveTo__FF}, 487 {"native_rMoveTo","(JFF)V", (void*) SkPathGlue::rMoveTo}, 488 {"native_lineTo","(JFF)V", (void*) SkPathGlue::lineTo__FF}, 489 {"native_rLineTo","(JFF)V", (void*) SkPathGlue::rLineTo}, 490 {"native_quadTo","(JFFFF)V", (void*) SkPathGlue::quadTo__FFFF}, 491 {"native_rQuadTo","(JFFFF)V", (void*) SkPathGlue::rQuadTo}, 492 {"native_cubicTo","(JFFFFFF)V", (void*) SkPathGlue::cubicTo__FFFFFF}, 493 {"native_rCubicTo","(JFFFFFF)V", (void*) SkPathGlue::rCubicTo}, 494 {"native_arcTo","(JFFFFFFZ)V", (void*) SkPathGlue::arcTo}, 495 {"native_close","(J)V", (void*) SkPathGlue::close}, 496 {"native_addRect","(JFFFFI)V", (void*) SkPathGlue::addRect}, 497 {"native_addOval","(JFFFFI)V", (void*) SkPathGlue::addOval}, 498 {"native_addCircle","(JFFFI)V", (void*) SkPathGlue::addCircle}, 499 {"native_addArc","(JFFFFFF)V", (void*) SkPathGlue::addArc}, 500 {"native_addRoundRect","(JFFFFFFI)V", (void*) SkPathGlue::addRoundRectXY}, 501 {"native_addRoundRect","(JFFFF[FI)V", (void*) SkPathGlue::addRoundRect8}, 502 {"native_addPath","(JJFF)V", (void*) SkPathGlue::addPath__PathFF}, 503 {"native_addPath","(JJ)V", (void*) SkPathGlue::addPath__Path}, 504 {"native_addPath","(JJJ)V", (void*) SkPathGlue::addPath__PathMatrix}, 505 {"native_offset","(JFF)V", (void*) SkPathGlue::offset__FF}, 506 {"native_setLastPoint","(JFF)V", (void*) SkPathGlue::setLastPoint}, 507 {"native_transform","(JJJ)V", (void*) SkPathGlue::transform__MatrixPath}, 508 {"native_transform","(JJ)V", (void*) SkPathGlue::transform__Matrix}, 509 {"native_op","(JJIJ)Z", (void*) SkPathGlue::op}, 510 {"native_approximate", "(JF)[F", (void*) SkPathGlue::approximate}, 511 }; 512 513 int register_android_graphics_Path(JNIEnv* env) { 514 return RegisterMethodsOrDie(env, "android/graphics/Path", methods, NELEM(methods)); 515 516 static_assert(0 == SkPath::kCW_Direction, "direction_mismatch"); 517 static_assert(1 == SkPath::kCCW_Direction, "direction_mismatch"); 518 } 519 520 } 521
