Jason Sams | 25430d0 | 2010-02-02 15:26:40 -0800 | [diff] [blame] | 1 | /* |
Matthieu Delahaye | 6a5875c | 2013-09-10 15:11:35 -0500 | [diff] [blame] | 2 | * Copyright (C) 2013 The Android Open Source Project |
Jason Sams | 25430d0 | 2010-02-02 15:26:40 -0800 | [diff] [blame] | 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 | |
Jason Sams | 25430d0 | 2010-02-02 15:26:40 -0800 | [diff] [blame] | 19 | |
Stephen Hines | 9c9ad3f8c2 | 2012-05-07 15:34:29 -0700 | [diff] [blame] | 20 | /** |
Tim Murray | c11e25c | 2013-04-09 11:01:01 -0700 | [diff] [blame] | 21 | * Class for exposing the native RenderScript Short2 type back to the Android system. |
Jason Sams | 25430d0 | 2010-02-02 15:26:40 -0800 | [diff] [blame] | 22 | * |
Matthieu Delahaye | 6a5875c | 2013-09-10 15:11:35 -0500 | [diff] [blame] | 23 | * Vector version of the basic short type. |
| 24 | * Provides two short fields packed. |
| 25 | */ |
Jason Sams | a70f416 | 2010-03-26 15:33:42 -0700 | [diff] [blame] | 26 | public class Short2 { |
Matthieu Delahaye | 6a5875c | 2013-09-10 15:11:35 -0500 | [diff] [blame] | 27 | public short x; |
| 28 | public short y; |
| 29 | |
Jason Sams | a70f416 | 2010-03-26 15:33:42 -0700 | [diff] [blame] | 30 | public Short2() { |
Jason Sams | 25430d0 | 2010-02-02 15:26:40 -0800 | [diff] [blame] | 31 | } |
| 32 | |
Matthieu Delahaye | 6a5875c | 2013-09-10 15:11:35 -0500 | [diff] [blame] | 33 | /** @hide */ |
| 34 | public Short2(short i) { |
| 35 | this.x = this.y = i; |
Jason Sams | 6cc888e | 2011-04-22 17:05:25 -0700 | [diff] [blame] | 36 | } |
| 37 | |
Matthieu Delahaye | 6a5875c | 2013-09-10 15:11:35 -0500 | [diff] [blame] | 38 | public Short2(short x, short y) { |
| 39 | this.x = x; |
| 40 | this.y = y; |
| 41 | } |
| 42 | |
| 43 | /** @hide */ |
| 44 | public Short2(Short2 source) { |
| 45 | this.x = source.x; |
| 46 | this.y = source.y; |
| 47 | } |
| 48 | |
| 49 | /** @hide |
| 50 | * Vector add |
| 51 | * |
| 52 | * @param a |
| 53 | */ |
| 54 | public void add(Short2 a) { |
| 55 | this.x += a.x; |
| 56 | this.y += a.y; |
| 57 | } |
| 58 | |
| 59 | /** @hide |
| 60 | * Vector add |
| 61 | * |
| 62 | * @param a |
| 63 | * @param b |
| 64 | * @return |
| 65 | */ |
| 66 | public static Short2 add(Short2 a, Short2 b) { |
| 67 | Short2 result = new Short2(); |
| 68 | result.x = (short)(a.x + b.x); |
| 69 | result.y = (short)(a.y + b.y); |
| 70 | |
| 71 | return result; |
| 72 | } |
| 73 | |
| 74 | /** @hide |
| 75 | * Vector add |
| 76 | * |
| 77 | * @param value |
| 78 | */ |
| 79 | public void add(short value) { |
| 80 | x += value; |
| 81 | y += value; |
| 82 | } |
| 83 | |
| 84 | /** @hide |
| 85 | * Vector add |
| 86 | * |
| 87 | * @param a |
| 88 | * @param b |
| 89 | * @return |
| 90 | */ |
| 91 | public static Short2 add(Short2 a, short b) { |
| 92 | Short2 result = new Short2(); |
| 93 | result.x = (short)(a.x + b); |
| 94 | result.y = (short)(a.y + b); |
| 95 | |
| 96 | return result; |
| 97 | } |
| 98 | |
| 99 | /** @hide |
| 100 | * Vector subtraction |
| 101 | * |
| 102 | * @param a |
| 103 | */ |
| 104 | public void sub(Short2 a) { |
| 105 | this.x -= a.x; |
| 106 | this.y -= a.y; |
| 107 | } |
| 108 | |
| 109 | /** @hide |
| 110 | * Vector subtraction |
| 111 | * |
| 112 | * @param a |
| 113 | * @param b |
| 114 | * @return |
| 115 | */ |
| 116 | public static Short2 sub(Short2 a, Short2 b) { |
| 117 | Short2 result = new Short2(); |
| 118 | result.x = (short)(a.x - b.x); |
| 119 | result.y = (short)(a.y - b.y); |
| 120 | |
| 121 | return result; |
| 122 | } |
| 123 | |
| 124 | /** @hide |
| 125 | * Vector subtraction |
| 126 | * |
| 127 | * @param value |
| 128 | */ |
| 129 | public void sub(short value) { |
| 130 | x -= value; |
| 131 | y -= value; |
| 132 | } |
| 133 | |
| 134 | /** @hide |
| 135 | * Vector subtraction |
| 136 | * |
| 137 | * @param a |
| 138 | * @param b |
| 139 | * @return |
| 140 | */ |
| 141 | public static Short2 sub(Short2 a, short b) { |
| 142 | Short2 result = new Short2(); |
| 143 | result.x = (short)(a.x - b); |
| 144 | result.y = (short)(a.y - b); |
| 145 | |
| 146 | return result; |
| 147 | } |
| 148 | |
| 149 | /** @hide |
| 150 | * Vector multiplication |
| 151 | * |
| 152 | * @param a |
| 153 | */ |
| 154 | public void mul(Short2 a) { |
| 155 | this.x *= a.x; |
| 156 | this.y *= a.y; |
| 157 | } |
| 158 | |
| 159 | /** @hide |
| 160 | * Vector multiplication |
| 161 | * |
| 162 | * @param a |
| 163 | * @param b |
| 164 | * @return |
| 165 | */ |
| 166 | public static Short2 mul(Short2 a, Short2 b) { |
| 167 | Short2 result = new Short2(); |
| 168 | result.x = (short)(a.x * b.x); |
| 169 | result.y = (short)(a.y * b.y); |
| 170 | |
| 171 | return result; |
| 172 | } |
| 173 | |
| 174 | /** @hide |
| 175 | * Vector multiplication |
| 176 | * |
| 177 | * @param value |
| 178 | */ |
| 179 | public void mul(short value) { |
| 180 | x *= value; |
| 181 | y *= value; |
| 182 | } |
| 183 | |
| 184 | /** @hide |
| 185 | * Vector multiplication |
| 186 | * |
| 187 | * @param a |
| 188 | * @param b |
| 189 | * @return |
| 190 | */ |
| 191 | public static Short2 mul(Short2 a, short b) { |
| 192 | Short2 result = new Short2(); |
| 193 | result.x = (short)(a.x * b); |
| 194 | result.y = (short)(a.y * b); |
| 195 | |
| 196 | return result; |
| 197 | } |
| 198 | |
| 199 | /** @hide |
| 200 | * Vector division |
| 201 | * |
| 202 | * @param a |
| 203 | */ |
| 204 | public void div(Short2 a) { |
| 205 | this.x /= a.x; |
| 206 | this.y /= a.y; |
| 207 | } |
| 208 | |
| 209 | /** @hide |
| 210 | * Vector division |
| 211 | * |
| 212 | * @param a |
| 213 | * @param b |
| 214 | * @return |
| 215 | */ |
| 216 | public static Short2 div(Short2 a, Short2 b) { |
| 217 | Short2 result = new Short2(); |
| 218 | result.x = (short)(a.x / b.x); |
| 219 | result.y = (short)(a.y / b.y); |
| 220 | |
| 221 | return result; |
| 222 | } |
| 223 | |
| 224 | /** @hide |
| 225 | * Vector division |
| 226 | * |
| 227 | * @param value |
| 228 | */ |
| 229 | public void div(short value) { |
| 230 | x /= value; |
| 231 | y /= value; |
| 232 | } |
| 233 | |
| 234 | /** @hide |
| 235 | * Vector division |
| 236 | * |
| 237 | * @param a |
| 238 | * @param b |
| 239 | * @return |
| 240 | */ |
| 241 | public static Short2 div(Short2 a, short b) { |
| 242 | Short2 result = new Short2(); |
| 243 | result.x = (short)(a.x / b); |
| 244 | result.y = (short)(a.y / b); |
| 245 | |
| 246 | return result; |
| 247 | } |
| 248 | |
| 249 | /** @hide |
| 250 | * Vector Modulo |
| 251 | * |
| 252 | * @param a |
| 253 | */ |
| 254 | public void mod(Short2 a) { |
| 255 | this.x %= a.x; |
| 256 | this.y %= a.y; |
| 257 | } |
| 258 | |
| 259 | /** @hide |
| 260 | * Vector Modulo |
| 261 | * |
| 262 | * @param a |
| 263 | * @param b |
| 264 | * @return |
| 265 | */ |
| 266 | public static Short2 mod(Short2 a, Short2 b) { |
| 267 | Short2 result = new Short2(); |
| 268 | result.x = (short)(a.x % b.x); |
| 269 | result.y = (short)(a.y % b.y); |
| 270 | |
| 271 | return result; |
| 272 | } |
| 273 | |
| 274 | /** @hide |
| 275 | * Vector Modulo |
| 276 | * |
| 277 | * @param value |
| 278 | */ |
| 279 | public void mod(short value) { |
| 280 | x %= value; |
| 281 | y %= value; |
| 282 | } |
| 283 | |
| 284 | /** @hide |
| 285 | * Vector Modulo |
| 286 | * |
| 287 | * @param a |
| 288 | * @param b |
| 289 | * @return |
| 290 | */ |
| 291 | public static Short2 mod(Short2 a, short b) { |
| 292 | Short2 result = new Short2(); |
| 293 | result.x = (short)(a.x % b); |
| 294 | result.y = (short)(a.y % b); |
| 295 | |
| 296 | return result; |
| 297 | } |
| 298 | |
| 299 | /** @hide |
| 300 | * get vector length |
| 301 | * |
| 302 | * @return |
| 303 | */ |
| 304 | public short length() { |
| 305 | return 2; |
| 306 | } |
| 307 | |
| 308 | /** @hide |
| 309 | * set vector negate |
| 310 | */ |
| 311 | public void negate() { |
| 312 | this.x = (short)(-x); |
| 313 | this.y = (short)(-y); |
| 314 | } |
| 315 | |
| 316 | /** @hide |
| 317 | * Vector dot Product |
| 318 | * |
| 319 | * @param a |
| 320 | * @return |
| 321 | */ |
| 322 | public short dotProduct(Short2 a) { |
| 323 | return (short)((x * a.x) + (y * a.y)); |
| 324 | } |
| 325 | |
| 326 | /** @hide |
| 327 | * Vector dot Product |
| 328 | * |
| 329 | * @param a |
| 330 | * @param b |
| 331 | * @return |
| 332 | */ |
| 333 | public static short dotProduct(Short2 a, Short2 b) { |
| 334 | return (short)((b.x * a.x) + (b.y * a.y)); |
| 335 | } |
| 336 | |
| 337 | /** @hide |
| 338 | * Vector add Multiple |
| 339 | * |
| 340 | * @param a |
| 341 | * @param factor |
| 342 | */ |
| 343 | public void addMultiple(Short2 a, short factor) { |
| 344 | x += a.x * factor; |
| 345 | y += a.y * factor; |
| 346 | } |
| 347 | |
| 348 | /** @hide |
| 349 | * set vector value by Short2 |
| 350 | * |
| 351 | * @param a |
| 352 | */ |
| 353 | public void set(Short2 a) { |
| 354 | this.x = a.x; |
| 355 | this.y = a.y; |
| 356 | } |
| 357 | |
| 358 | /** @hide |
| 359 | * set the vector field value by Short |
| 360 | * |
| 361 | * @param a |
| 362 | * @param b |
| 363 | */ |
| 364 | public void setValues(short a, short b) { |
| 365 | this.x = a; |
| 366 | this.y = b; |
| 367 | } |
| 368 | |
| 369 | /** @hide |
| 370 | * return the element sum of vector |
| 371 | * |
| 372 | * @return |
| 373 | */ |
| 374 | public short elementSum() { |
| 375 | return (short)(x + y); |
| 376 | } |
| 377 | |
| 378 | /** @hide |
| 379 | * get the vector field value by index |
| 380 | * |
| 381 | * @param i |
| 382 | * @return |
| 383 | */ |
| 384 | public short get(int i) { |
| 385 | switch (i) { |
| 386 | case 0: |
| 387 | return (short)(x); |
| 388 | case 1: |
| 389 | return (short)(y); |
| 390 | default: |
| 391 | throw new IndexOutOfBoundsException("Index: i"); |
| 392 | } |
| 393 | } |
| 394 | |
| 395 | /** @hide |
| 396 | * set the vector field value by index |
| 397 | * |
| 398 | * @param i |
| 399 | * @param value |
| 400 | */ |
| 401 | public void setAt(int i, short value) { |
| 402 | switch (i) { |
| 403 | case 0: |
| 404 | x = value; |
| 405 | return; |
| 406 | case 1: |
| 407 | y = value; |
| 408 | return; |
| 409 | default: |
| 410 | throw new IndexOutOfBoundsException("Index: i"); |
| 411 | } |
| 412 | } |
| 413 | |
| 414 | /** @hide |
| 415 | * add the vector field value by index |
| 416 | * |
| 417 | * @param i |
| 418 | * @param value |
| 419 | */ |
| 420 | public void addAt(int i, short value) { |
| 421 | switch (i) { |
| 422 | case 0: |
| 423 | x += value; |
| 424 | return; |
| 425 | case 1: |
| 426 | y += value; |
| 427 | return; |
| 428 | default: |
| 429 | throw new IndexOutOfBoundsException("Index: i"); |
| 430 | } |
| 431 | } |
| 432 | |
| 433 | /** @hide |
| 434 | * copy the vector to short array |
| 435 | * |
| 436 | * @param data |
| 437 | * @param offset |
| 438 | */ |
| 439 | public void copyTo(short[] data, int offset) { |
| 440 | data[offset] = (short)(x); |
| 441 | data[offset + 1] = (short)(y); |
| 442 | } |
Jason Sams | 25430d0 | 2010-02-02 15:26:40 -0800 | [diff] [blame] | 443 | } |