1 /* 2 * Copyright (C) 2013 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package android.renderscript; 18 19 /** 20 * Vector version of the basic int type. 21 * Provides three int fields packed. 22 */ 23 public class Int3 { 24 public int x; 25 public int y; 26 public int z; 27 28 public Int3() { 29 } 30 31 /** @hide */ 32 public Int3(int i) { 33 this.x = this.y = this.z = i; 34 } 35 36 public Int3(int x, int y, int z) { 37 this.x = x; 38 this.y = y; 39 this.z = z; 40 } 41 42 /** @hide */ 43 public Int3(Int3 source) { 44 this.x = source.x; 45 this.y = source.y; 46 this.z = source.z; 47 } 48 49 /** @hide 50 * Vector add 51 * 52 * @param a 53 */ 54 public void add(Int3 a) { 55 this.x += a.x; 56 this.y += a.y; 57 this.z += a.z; 58 } 59 60 /** @hide 61 * Vector add 62 * 63 * @param a 64 * @param b 65 * @return 66 */ 67 public static Int3 add(Int3 a, Int3 b) { 68 Int3 result = new Int3(); 69 result.x = a.x + b.x; 70 result.y = a.y + b.y; 71 result.z = a.z + b.z; 72 73 return result; 74 } 75 76 /** @hide 77 * Vector add 78 * 79 * @param value 80 */ 81 public void add(int value) { 82 x += value; 83 y += value; 84 z += value; 85 } 86 87 /** @hide 88 * Vector add 89 * 90 * @param a 91 * @param b 92 * @return 93 */ 94 public static Int3 add(Int3 a, int b) { 95 Int3 result = new Int3(); 96 result.x = a.x + b; 97 result.y = a.y + b; 98 result.z = a.z + b; 99 100 return result; 101 } 102 103 /** @hide 104 * Vector subtraction 105 * 106 * @param a 107 */ 108 public void sub(Int3 a) { 109 this.x -= a.x; 110 this.y -= a.y; 111 this.z -= a.z; 112 } 113 114 /** @hide 115 * Vector subtraction 116 * 117 * @param a 118 * @param b 119 * @return 120 */ 121 public static Int3 sub(Int3 a, Int3 b) { 122 Int3 result = new Int3(); 123 result.x = a.x - b.x; 124 result.y = a.y - b.y; 125 result.z = a.z - b.z; 126 127 return result; 128 } 129 130 /** @hide 131 * Vector subtraction 132 * 133 * @param value 134 */ 135 public void sub(int value) { 136 x -= value; 137 y -= value; 138 z -= value; 139 } 140 141 /** @hide 142 * Vector subtraction 143 * 144 * @param a 145 * @param b 146 * @return 147 */ 148 public static Int3 sub(Int3 a, int b) { 149 Int3 result = new Int3(); 150 result.x = a.x - b; 151 result.y = a.y - b; 152 result.z = a.z - b; 153 154 return result; 155 } 156 157 /** @hide 158 * Vector multiplication 159 * 160 * @param a 161 */ 162 public void mul(Int3 a) { 163 this.x *= a.x; 164 this.y *= a.y; 165 this.z *= a.z; 166 } 167 168 /** @hide 169 * Vector multiplication 170 * 171 * @param a 172 * @param b 173 * @return 174 */ 175 public static Int3 mul(Int3 a, Int3 b) { 176 Int3 result = new Int3(); 177 result.x = a.x * b.x; 178 result.y = a.y * b.y; 179 result.z = a.z * b.z; 180 181 return result; 182 } 183 184 /** @hide 185 * Vector multiplication 186 * 187 * @param value 188 */ 189 public void mul(int value) { 190 x *= value; 191 y *= value; 192 z *= value; 193 } 194 195 /** @hide 196 * Vector multiplication 197 * 198 * @param a 199 * @param b 200 * @return 201 */ 202 public static Int3 mul(Int3 a, int b) { 203 Int3 result = new Int3(); 204 result.x = a.x * b; 205 result.y = a.y * b; 206 result.z = a.z * b; 207 208 return result; 209 } 210 211 /** @hide 212 * Vector division 213 * 214 * @param a 215 */ 216 public void div(Int3 a) { 217 this.x /= a.x; 218 this.y /= a.y; 219 this.z /= a.z; 220 } 221 222 /** @hide 223 * Vector division 224 * 225 * @param a 226 * @param b 227 * @return 228 */ 229 public static Int3 div(Int3 a, Int3 b) { 230 Int3 result = new Int3(); 231 result.x = a.x / b.x; 232 result.y = a.y / b.y; 233 result.z = a.z / b.z; 234 235 return result; 236 } 237 238 /** @hide 239 * Vector division 240 * 241 * @param value 242 */ 243 public void div(int value) { 244 x /= value; 245 y /= value; 246 z /= value; 247 } 248 249 /** @hide 250 * Vector division 251 * 252 * @param a 253 * @param b 254 * @return 255 */ 256 public static Int3 div(Int3 a, int b) { 257 Int3 result = new Int3(); 258 result.x = a.x / b; 259 result.y = a.y / b; 260 result.z = a.z / b; 261 262 return result; 263 } 264 265 /** @hide 266 * Vector Modulo 267 * 268 * @param a 269 */ 270 public void mod(Int3 a) { 271 this.x %= a.x; 272 this.y %= a.y; 273 this.z %= a.z; 274 } 275 276 /** @hide 277 * Vector Modulo 278 * 279 * @param a 280 * @param b 281 * @return 282 */ 283 public static Int3 mod(Int3 a, Int3 b) { 284 Int3 result = new Int3(); 285 result.x = a.x % b.x; 286 result.y = a.y % b.y; 287 result.z = a.z % b.z; 288 289 return result; 290 } 291 292 /** @hide 293 * Vector Modulo 294 * 295 * @param value 296 */ 297 public void mod(int value) { 298 x %= value; 299 y %= value; 300 z %= value; 301 } 302 303 /** @hide 304 * Vector Modulo 305 * 306 * @param a 307 * @param b 308 * @return 309 */ 310 public static Int3 mod(Int3 a, int b) { 311 Int3 result = new Int3(); 312 result.x = a.x % b; 313 result.y = a.y % b; 314 result.z = a.z % b; 315 316 return result; 317 } 318 319 /** @hide 320 * get vector length 321 * 322 * @return 323 */ 324 public int length() { 325 return 3; 326 } 327 328 /** @hide 329 * set vector negate 330 */ 331 public void negate() { 332 this.x = -x; 333 this.y = -y; 334 this.z = -z; 335 } 336 337 /** @hide 338 * Vector dot Product 339 * 340 * @param a 341 * @return 342 */ 343 public int dotProduct(Int3 a) { 344 return (int)((x * a.x) + (y * a.y) + (z * a.z)); 345 } 346 347 /** @hide 348 * Vector dot Product 349 * 350 * @param a 351 * @param b 352 * @return 353 */ 354 public static int dotProduct(Int3 a, Int3 b) { 355 return (int)((b.x * a.x) + (b.y * a.y) + (b.z * a.z)); 356 } 357 358 /** @hide 359 * Vector add Multiple 360 * 361 * @param a 362 * @param factor 363 */ 364 public void addMultiple(Int3 a, int factor) { 365 x += a.x * factor; 366 y += a.y * factor; 367 z += a.z * factor; 368 } 369 370 /** @hide 371 * set vector value by Int3 372 * 373 * @param a 374 */ 375 public void set(Int3 a) { 376 this.x = a.x; 377 this.y = a.y; 378 this.z = a.z; 379 } 380 381 /** @hide 382 * set the vector field value by Int 383 * 384 * @param a 385 * @param b 386 * @param c 387 */ 388 public void setValues(int a, int b, int c) { 389 this.x = a; 390 this.y = b; 391 this.z = c; 392 } 393 394 /** @hide 395 * return the element sum of vector 396 * 397 * @return 398 */ 399 public int elementSum() { 400 return (int)(x + y + z); 401 } 402 403 /** @hide 404 * get the vector field value by index 405 * 406 * @param i 407 * @return 408 */ 409 public int get(int i) { 410 switch (i) { 411 case 0: 412 return (int)(x); 413 case 1: 414 return (int)(y); 415 case 2: 416 return (int)(z); 417 default: 418 throw new IndexOutOfBoundsException("Index: i"); 419 } 420 } 421 422 /** @hide 423 * set the vector field value by index 424 * 425 * @param i 426 * @param value 427 */ 428 public void setAt(int i, int value) { 429 switch (i) { 430 case 0: 431 x = value; 432 return; 433 case 1: 434 y = value; 435 return; 436 case 2: 437 z = value; 438 return; 439 default: 440 throw new IndexOutOfBoundsException("Index: i"); 441 } 442 } 443 444 /** @hide 445 * add the vector field value by index 446 * 447 * @param i 448 * @param value 449 */ 450 public void addAt(int i, int value) { 451 switch (i) { 452 case 0: 453 x += value; 454 return; 455 case 1: 456 y += value; 457 return; 458 case 2: 459 z += value; 460 return; 461 default: 462 throw new IndexOutOfBoundsException("Index: i"); 463 } 464 } 465 466 /** @hide 467 * copy the vector to int array 468 * 469 * @param data 470 * @param offset 471 */ 472 public void copyTo(int[] data, int offset) { 473 data[offset] = (int)(x); 474 data[offset + 1] = (int)(y); 475 data[offset + 2] = (int)(z); 476 } 477 } 478
