Aurimas Liutikas | dc3f885 | 2024-07-11 10:07:48 -0700 | [diff] [blame] | 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 float type. |
| 21 | * Provides two float fields packed. |
| 22 | * |
| 23 | * @deprecated Renderscript has been deprecated in API level 31. Please refer to the <a |
| 24 | * href="https://developer.android.com/guide/topics/renderscript/migration-guide">migration |
| 25 | * guide</a> for the proposed alternatives. |
| 26 | */ |
| 27 | @Deprecated |
| 28 | public class Float2 { |
| 29 | public float x; |
| 30 | public float y; |
| 31 | |
| 32 | public Float2() { |
| 33 | } |
| 34 | /** @hide */ |
| 35 | public Float2(Float2 data) { |
| 36 | this.x = data.x; |
| 37 | this.y = data.y; |
| 38 | } |
| 39 | |
| 40 | public Float2(float x, float y) { |
| 41 | this.x = x; |
| 42 | this.y = y; |
| 43 | } |
| 44 | |
| 45 | /** @hide |
| 46 | * Vector add |
| 47 | * |
| 48 | * @param a |
| 49 | * @param b |
| 50 | * @return |
| 51 | */ |
| 52 | public static Float2 add(Float2 a, Float2 b) { |
| 53 | Float2 res = new Float2(); |
| 54 | res.x = a.x + b.x; |
| 55 | res.y = a.y + b.y; |
| 56 | |
| 57 | return res; |
| 58 | } |
| 59 | |
| 60 | /** @hide |
| 61 | * Vector add |
| 62 | * |
| 63 | * @param value |
| 64 | */ |
| 65 | public void add(Float2 value) { |
| 66 | x += value.x; |
| 67 | y += value.y; |
| 68 | } |
| 69 | |
| 70 | /** @hide |
| 71 | * Vector add |
| 72 | * |
| 73 | * @param value |
| 74 | */ |
| 75 | public void add(float value) { |
| 76 | x += value; |
| 77 | y += value; |
| 78 | } |
| 79 | |
| 80 | /** @hide |
| 81 | * Vector add |
| 82 | * |
| 83 | * @param a |
| 84 | * @param b |
| 85 | * @return |
| 86 | */ |
| 87 | public static Float2 add(Float2 a, float b) { |
| 88 | Float2 res = new Float2(); |
| 89 | res.x = a.x + b; |
| 90 | res.y = a.y + b; |
| 91 | |
| 92 | return res; |
| 93 | } |
| 94 | |
| 95 | /** @hide |
| 96 | * Vector subtraction |
| 97 | * |
| 98 | * @param value |
| 99 | */ |
| 100 | public void sub(Float2 value) { |
| 101 | x -= value.x; |
| 102 | y -= value.y; |
| 103 | } |
| 104 | |
| 105 | /** @hide |
| 106 | * Vector subtraction |
| 107 | * |
| 108 | * @param a |
| 109 | * @param b |
| 110 | * @return |
| 111 | */ |
| 112 | public static Float2 sub(Float2 a, Float2 b) { |
| 113 | Float2 res = new Float2(); |
| 114 | res.x = a.x - b.x; |
| 115 | res.y = a.y - b.y; |
| 116 | |
| 117 | return res; |
| 118 | } |
| 119 | |
| 120 | /** @hide |
| 121 | * Vector subtraction |
| 122 | * |
| 123 | * @param value |
| 124 | */ |
| 125 | public void sub(float value) { |
| 126 | x -= value; |
| 127 | y -= value; |
| 128 | } |
| 129 | |
| 130 | /** @hide |
| 131 | * Vector subtraction |
| 132 | * |
| 133 | * @param a |
| 134 | * @param b |
| 135 | * @return |
| 136 | */ |
| 137 | public static Float2 sub(Float2 a, float b) { |
| 138 | Float2 res = new Float2(); |
| 139 | res.x = a.x - b; |
| 140 | res.y = a.y - b; |
| 141 | |
| 142 | return res; |
| 143 | } |
| 144 | |
| 145 | /** @hide |
| 146 | * Vector multiplication |
| 147 | * |
| 148 | * @param value |
| 149 | */ |
| 150 | public void mul(Float2 value) { |
| 151 | x *= value.x; |
| 152 | y *= value.y; |
| 153 | } |
| 154 | |
| 155 | /** @hide |
| 156 | * Vector multiplication |
| 157 | * |
| 158 | * @param a |
| 159 | * @param b |
| 160 | * @return |
| 161 | */ |
| 162 | public static Float2 mul(Float2 a, Float2 b) { |
| 163 | Float2 res = new Float2(); |
| 164 | res.x = a.x * b.x; |
| 165 | res.y = a.y * b.y; |
| 166 | |
| 167 | return res; |
| 168 | } |
| 169 | |
| 170 | /** @hide |
| 171 | * Vector multiplication |
| 172 | * |
| 173 | * @param value |
| 174 | */ |
| 175 | public void mul(float value) { |
| 176 | x *= value; |
| 177 | y *= value; |
| 178 | } |
| 179 | |
| 180 | /** @hide |
| 181 | * Vector multiplication |
| 182 | * |
| 183 | * @param a |
| 184 | * @param b |
| 185 | * @return |
| 186 | */ |
| 187 | public static Float2 mul(Float2 a, float b) { |
| 188 | Float2 res = new Float2(); |
| 189 | res.x = a.x * b; |
| 190 | res.y = a.y * b; |
| 191 | |
| 192 | return res; |
| 193 | } |
| 194 | |
| 195 | /** @hide |
| 196 | * Vector division |
| 197 | * |
| 198 | * @param value |
| 199 | */ |
| 200 | public void div(Float2 value) { |
| 201 | x /= value.x; |
| 202 | y /= value.y; |
| 203 | } |
| 204 | |
| 205 | /** @hide |
| 206 | * Vector division |
| 207 | * |
| 208 | * @param a |
| 209 | * @param b |
| 210 | * @return |
| 211 | */ |
| 212 | public static Float2 div(Float2 a, Float2 b) { |
| 213 | Float2 res = new Float2(); |
| 214 | res.x = a.x / b.x; |
| 215 | res.y = a.y / b.y; |
| 216 | |
| 217 | return res; |
| 218 | } |
| 219 | |
| 220 | /** @hide |
| 221 | * Vector division |
| 222 | * |
| 223 | * @param value |
| 224 | */ |
| 225 | public void div(float value) { |
| 226 | x /= value; |
| 227 | y /= value; |
| 228 | } |
| 229 | |
| 230 | /** @hide |
| 231 | * Vector division |
| 232 | * |
| 233 | * @param a |
| 234 | * @param b |
| 235 | * @return |
| 236 | */ |
| 237 | public static Float2 div(Float2 a, float b) { |
| 238 | Float2 res = new Float2(); |
| 239 | res.x = a.x / b; |
| 240 | res.y = a.y / b; |
| 241 | |
| 242 | return res; |
| 243 | } |
| 244 | |
| 245 | /** @hide |
| 246 | * Vector dot Product |
| 247 | * |
| 248 | * @param a |
| 249 | * @return |
| 250 | */ |
| 251 | public float dotProduct(Float2 a) { |
| 252 | return (x * a.x) + (y * a.y); |
| 253 | } |
| 254 | |
| 255 | /** @hide |
| 256 | * Vector dot Product |
| 257 | * |
| 258 | * @param a |
| 259 | * @param b |
| 260 | * @return |
| 261 | */ |
| 262 | public static float dotProduct(Float2 a, Float2 b) { |
| 263 | return (b.x * a.x) + (b.y * a.y); |
| 264 | } |
| 265 | |
| 266 | /** @hide |
| 267 | * Vector add Multiple |
| 268 | * |
| 269 | * @param a |
| 270 | * @param factor |
| 271 | */ |
| 272 | public void addMultiple(Float2 a, float factor) { |
| 273 | x += a.x * factor; |
| 274 | y += a.y * factor; |
| 275 | } |
| 276 | |
| 277 | /** @hide |
| 278 | * set vector value by float2 |
| 279 | * |
| 280 | * @param a |
| 281 | */ |
| 282 | public void set(Float2 a) { |
| 283 | this.x = a.x; |
| 284 | this.y = a.y; |
| 285 | } |
| 286 | |
| 287 | /** @hide |
| 288 | * set vector negate |
| 289 | */ |
| 290 | public void negate() { |
| 291 | x = -x; |
| 292 | y = -y; |
| 293 | } |
| 294 | |
| 295 | /** @hide |
| 296 | * get vector length |
| 297 | * |
| 298 | * @return |
| 299 | */ |
| 300 | public int length() { |
| 301 | return 2; |
| 302 | } |
| 303 | |
| 304 | /** @hide |
| 305 | * return the element sum of vector |
| 306 | * |
| 307 | * @return |
| 308 | */ |
| 309 | public float elementSum() { |
| 310 | return x + y; |
| 311 | } |
| 312 | |
| 313 | /** @hide |
| 314 | * get the vector field value by index |
| 315 | * |
| 316 | * @param i |
| 317 | * @return |
| 318 | */ |
| 319 | public float get(int i) { |
| 320 | switch (i) { |
| 321 | case 0: |
| 322 | return x; |
| 323 | case 1: |
| 324 | return y; |
| 325 | default: |
| 326 | throw new IndexOutOfBoundsException("Index: i"); |
| 327 | } |
| 328 | } |
| 329 | |
| 330 | /** @hide |
| 331 | * set the vector field value by index |
| 332 | * |
| 333 | * @param i |
| 334 | * @param value |
| 335 | */ |
| 336 | public void setAt(int i, float value) { |
| 337 | switch (i) { |
| 338 | case 0: |
| 339 | x = value; |
| 340 | return; |
| 341 | case 1: |
| 342 | y = value; |
| 343 | return; |
| 344 | default: |
| 345 | throw new IndexOutOfBoundsException("Index: i"); |
| 346 | } |
| 347 | } |
| 348 | |
| 349 | /** @hide |
| 350 | * add the vector field value by index |
| 351 | * |
| 352 | * @param i |
| 353 | * @param value |
| 354 | */ |
| 355 | public void addAt(int i, float value) { |
| 356 | switch (i) { |
| 357 | case 0: |
| 358 | x += value; |
| 359 | return; |
| 360 | case 1: |
| 361 | y += value; |
| 362 | return; |
| 363 | default: |
| 364 | throw new IndexOutOfBoundsException("Index: i"); |
| 365 | } |
| 366 | } |
| 367 | |
| 368 | /** @hide |
| 369 | * set the vector field value |
| 370 | * |
| 371 | * @param x |
| 372 | * @param y |
| 373 | */ |
| 374 | public void setValues(float x, float y) { |
| 375 | this.x = x; |
| 376 | this.y = y; |
| 377 | } |
| 378 | |
| 379 | /** @hide |
| 380 | * copy the vector to float array |
| 381 | * |
| 382 | * @param data |
| 383 | * @param offset |
| 384 | */ |
| 385 | public void copyTo(float[] data, int offset) { |
| 386 | data[offset] = x; |
| 387 | data[offset + 1] = y; |
| 388 | } |
| 389 | } |