Adam Lesinski | ab775ec | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2010 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.graphics; |
| 18 | |
| 19 | |
Jerome Gaillard | d831f2f | 2020-07-01 13:24:28 +0100 | [diff] [blame] | 20 | import com.android.ide.common.rendering.api.ILayoutLog; |
Adam Lesinski | ab775ec | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 21 | import com.android.layoutlib.bridge.Bridge; |
| 22 | import com.android.layoutlib.bridge.impl.DelegateManager; |
| 23 | import com.android.tools.layoutlib.annotations.LayoutlibDelegate; |
| 24 | |
| 25 | import android.graphics.Matrix.ScaleToFit; |
| 26 | |
| 27 | import java.awt.geom.AffineTransform; |
Adam Lesinski | ab775ec | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 28 | |
Jerome Gaillard | 7fa71f5 | 2016-11-11 12:39:34 +0000 | [diff] [blame] | 29 | import libcore.util.NativeAllocationRegistry_Delegate; |
| 30 | |
Adam Lesinski | ab775ec | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 31 | /** |
| 32 | * Delegate implementing the native methods of android.graphics.Matrix |
| 33 | * |
| 34 | * Through the layoutlib_create tool, the original native methods of Matrix have been replaced |
| 35 | * by calls to methods of the same name in this delegate class. |
| 36 | * |
| 37 | * This class behaves like the original native implementation, but in Java, keeping previously |
| 38 | * native data into its own objects and mapping them to int that are sent back and forth between |
| 39 | * it and the original Matrix class. |
| 40 | * |
| 41 | * @see DelegateManager |
| 42 | * |
| 43 | */ |
| 44 | public final class Matrix_Delegate { |
| 45 | |
| 46 | private final static int MATRIX_SIZE = 9; |
| 47 | |
| 48 | // ---- delegate manager ---- |
| 49 | private static final DelegateManager<Matrix_Delegate> sManager = |
| 50 | new DelegateManager<Matrix_Delegate>(Matrix_Delegate.class); |
Jerome Gaillard | 7fa71f5 | 2016-11-11 12:39:34 +0000 | [diff] [blame] | 51 | private static long sFinalizer = -1; |
Adam Lesinski | ab775ec | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 52 | |
| 53 | // ---- delegate data ---- |
| 54 | private float mValues[] = new float[MATRIX_SIZE]; |
| 55 | |
| 56 | // ---- Public Helper methods ---- |
| 57 | |
Narayan Kamath | ec41189 | 2014-01-27 14:24:16 +0000 | [diff] [blame] | 58 | public static Matrix_Delegate getDelegate(long native_instance) { |
Adam Lesinski | ab775ec | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 59 | return sManager.getDelegate(native_instance); |
| 60 | } |
| 61 | |
| 62 | /** |
| 63 | * Returns an {@link AffineTransform} matching the given Matrix. |
| 64 | */ |
| 65 | public static AffineTransform getAffineTransform(Matrix m) { |
Leon Scroggins III | e0003c5 | 2020-05-18 10:19:10 -0400 | [diff] [blame] | 66 | Matrix_Delegate delegate = sManager.getDelegate(m.ni()); |
Adam Lesinski | ab775ec | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 67 | if (delegate == null) { |
| 68 | return null; |
| 69 | } |
| 70 | |
| 71 | return delegate.getAffineTransform(); |
| 72 | } |
| 73 | |
| 74 | public static boolean hasPerspective(Matrix m) { |
Leon Scroggins III | e0003c5 | 2020-05-18 10:19:10 -0400 | [diff] [blame] | 75 | Matrix_Delegate delegate = sManager.getDelegate(m.ni()); |
Adam Lesinski | ab775ec | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 76 | if (delegate == null) { |
| 77 | return false; |
| 78 | } |
| 79 | |
| 80 | return delegate.hasPerspective(); |
| 81 | } |
| 82 | |
| 83 | /** |
| 84 | * Sets the content of the matrix with the content of another matrix. |
| 85 | */ |
| 86 | public void set(Matrix_Delegate matrix) { |
| 87 | System.arraycopy(matrix.mValues, 0, mValues, 0, MATRIX_SIZE); |
| 88 | } |
| 89 | |
| 90 | /** |
| 91 | * Sets the content of the matrix with the content of another matrix represented as an array |
| 92 | * of values. |
| 93 | */ |
| 94 | public void set(float[] values) { |
| 95 | System.arraycopy(values, 0, mValues, 0, MATRIX_SIZE); |
| 96 | } |
| 97 | |
| 98 | /** |
| 99 | * Resets the matrix to be the identity matrix. |
| 100 | */ |
| 101 | public void reset() { |
| 102 | reset(mValues); |
| 103 | } |
| 104 | |
| 105 | /** |
| 106 | * Returns whether or not the matrix is identity. |
| 107 | */ |
| 108 | public boolean isIdentity() { |
| 109 | for (int i = 0, k = 0; i < 3; i++) { |
| 110 | for (int j = 0; j < 3; j++, k++) { |
| 111 | if (mValues[k] != ((i==j) ? 1 : 0)) { |
| 112 | return false; |
| 113 | } |
| 114 | } |
| 115 | } |
| 116 | |
| 117 | return true; |
| 118 | } |
| 119 | |
Diego Perez | 9a92f18 | 2018-02-02 17:49:45 +0000 | [diff] [blame] | 120 | private static float[] setValues(AffineTransform matrix, float[] values) { |
Adam Lesinski | ab775ec | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 121 | values[0] = (float) matrix.getScaleX(); |
| 122 | values[1] = (float) matrix.getShearX(); |
| 123 | values[2] = (float) matrix.getTranslateX(); |
| 124 | values[3] = (float) matrix.getShearY(); |
| 125 | values[4] = (float) matrix.getScaleY(); |
| 126 | values[5] = (float) matrix.getTranslateY(); |
| 127 | values[6] = 0.f; |
| 128 | values[7] = 0.f; |
| 129 | values[8] = 1.f; |
| 130 | |
| 131 | return values; |
| 132 | } |
| 133 | |
Diego Perez | 9a92f18 | 2018-02-02 17:49:45 +0000 | [diff] [blame] | 134 | public static float[] makeValues(AffineTransform matrix) { |
| 135 | return setValues(matrix, new float[MATRIX_SIZE]); |
| 136 | } |
| 137 | |
Adam Lesinski | ab775ec | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 138 | public static Matrix_Delegate make(AffineTransform matrix) { |
| 139 | return new Matrix_Delegate(makeValues(matrix)); |
| 140 | } |
| 141 | |
| 142 | public boolean mapRect(RectF dst, RectF src) { |
| 143 | // array with 4 corners |
| 144 | float[] corners = new float[] { |
| 145 | src.left, src.top, |
| 146 | src.right, src.top, |
| 147 | src.right, src.bottom, |
| 148 | src.left, src.bottom, |
| 149 | }; |
| 150 | |
| 151 | // apply the transform to them. |
| 152 | mapPoints(corners); |
| 153 | |
| 154 | // now put the result in the rect. We take the min/max of Xs and min/max of Ys |
| 155 | dst.left = Math.min(Math.min(corners[0], corners[2]), Math.min(corners[4], corners[6])); |
| 156 | dst.right = Math.max(Math.max(corners[0], corners[2]), Math.max(corners[4], corners[6])); |
| 157 | |
| 158 | dst.top = Math.min(Math.min(corners[1], corners[3]), Math.min(corners[5], corners[7])); |
| 159 | dst.bottom = Math.max(Math.max(corners[1], corners[3]), Math.max(corners[5], corners[7])); |
| 160 | |
| 161 | |
| 162 | return (computeTypeMask() & kRectStaysRect_Mask) != 0; |
| 163 | } |
| 164 | |
| 165 | |
| 166 | /** |
| 167 | * Returns an {@link AffineTransform} matching the matrix. |
| 168 | */ |
| 169 | public AffineTransform getAffineTransform() { |
| 170 | return getAffineTransform(mValues); |
| 171 | } |
| 172 | |
| 173 | public boolean hasPerspective() { |
| 174 | return (mValues[6] != 0 || mValues[7] != 0 || mValues[8] != 1); |
| 175 | } |
| 176 | |
| 177 | |
| 178 | |
| 179 | // ---- native methods ---- |
| 180 | |
| 181 | @LayoutlibDelegate |
Jerome Gaillard | 7fa71f5 | 2016-11-11 12:39:34 +0000 | [diff] [blame] | 182 | /*package*/ static long nCreate(long native_src_or_zero) { |
Adam Lesinski | ab775ec | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 183 | // create the delegate |
| 184 | Matrix_Delegate newDelegate = new Matrix_Delegate(); |
| 185 | |
| 186 | // copy from values if needed. |
| 187 | if (native_src_or_zero > 0) { |
| 188 | Matrix_Delegate oldDelegate = sManager.getDelegate(native_src_or_zero); |
| 189 | if (oldDelegate != null) { |
| 190 | System.arraycopy( |
| 191 | oldDelegate.mValues, 0, |
| 192 | newDelegate.mValues, 0, |
| 193 | MATRIX_SIZE); |
| 194 | } |
| 195 | } |
| 196 | |
| 197 | return sManager.addNewDelegate(newDelegate); |
| 198 | } |
| 199 | |
| 200 | @LayoutlibDelegate |
Jerome Gaillard | 7fa71f5 | 2016-11-11 12:39:34 +0000 | [diff] [blame] | 201 | /*package*/ static boolean nIsIdentity(long native_object) { |
Adam Lesinski | ab775ec | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 202 | Matrix_Delegate d = sManager.getDelegate(native_object); |
| 203 | if (d == null) { |
| 204 | return false; |
| 205 | } |
| 206 | |
| 207 | return d.isIdentity(); |
| 208 | } |
| 209 | |
| 210 | @LayoutlibDelegate |
Jerome Gaillard | 7fa71f5 | 2016-11-11 12:39:34 +0000 | [diff] [blame] | 211 | /*package*/ static boolean nIsAffine(long native_object) { |
Deepanshu Gupta | 017c062 | 2014-05-19 16:14:23 -0700 | [diff] [blame] | 212 | Matrix_Delegate d = sManager.getDelegate(native_object); |
| 213 | if (d == null) { |
| 214 | return true; |
| 215 | } |
| 216 | |
| 217 | return (d.computeTypeMask() & kPerspective_Mask) == 0; |
| 218 | } |
| 219 | |
| 220 | @LayoutlibDelegate |
Jerome Gaillard | 7fa71f5 | 2016-11-11 12:39:34 +0000 | [diff] [blame] | 221 | /*package*/ static boolean nRectStaysRect(long native_object) { |
Adam Lesinski | ab775ec | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 222 | Matrix_Delegate d = sManager.getDelegate(native_object); |
| 223 | if (d == null) { |
| 224 | return true; |
| 225 | } |
| 226 | |
| 227 | return (d.computeTypeMask() & kRectStaysRect_Mask) != 0; |
| 228 | } |
| 229 | |
| 230 | @LayoutlibDelegate |
Jerome Gaillard | 7fa71f5 | 2016-11-11 12:39:34 +0000 | [diff] [blame] | 231 | /*package*/ static void nReset(long native_object) { |
Adam Lesinski | ab775ec | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 232 | Matrix_Delegate d = sManager.getDelegate(native_object); |
| 233 | if (d == null) { |
| 234 | return; |
| 235 | } |
| 236 | |
| 237 | reset(d.mValues); |
| 238 | } |
| 239 | |
| 240 | @LayoutlibDelegate |
Jerome Gaillard | 7fa71f5 | 2016-11-11 12:39:34 +0000 | [diff] [blame] | 241 | /*package*/ static void nSet(long native_object, long other) { |
Adam Lesinski | ab775ec | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 242 | Matrix_Delegate d = sManager.getDelegate(native_object); |
| 243 | if (d == null) { |
| 244 | return; |
| 245 | } |
| 246 | |
| 247 | Matrix_Delegate src = sManager.getDelegate(other); |
| 248 | if (src == null) { |
| 249 | return; |
| 250 | } |
| 251 | |
| 252 | System.arraycopy(src.mValues, 0, d.mValues, 0, MATRIX_SIZE); |
| 253 | } |
| 254 | |
| 255 | @LayoutlibDelegate |
Jerome Gaillard | 7fa71f5 | 2016-11-11 12:39:34 +0000 | [diff] [blame] | 256 | /*package*/ static void nSetTranslate(long native_object, float dx, float dy) { |
Adam Lesinski | ab775ec | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 257 | Matrix_Delegate d = sManager.getDelegate(native_object); |
| 258 | if (d == null) { |
| 259 | return; |
| 260 | } |
| 261 | |
| 262 | setTranslate(d.mValues, dx, dy); |
| 263 | } |
| 264 | |
| 265 | @LayoutlibDelegate |
Jerome Gaillard | 7fa71f5 | 2016-11-11 12:39:34 +0000 | [diff] [blame] | 266 | /*package*/ static void nSetScale(long native_object, float sx, float sy, |
Adam Lesinski | ab775ec | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 267 | float px, float py) { |
| 268 | Matrix_Delegate d = sManager.getDelegate(native_object); |
| 269 | if (d == null) { |
| 270 | return; |
| 271 | } |
| 272 | |
| 273 | d.mValues = getScale(sx, sy, px, py); |
| 274 | } |
| 275 | |
| 276 | @LayoutlibDelegate |
Jerome Gaillard | 7fa71f5 | 2016-11-11 12:39:34 +0000 | [diff] [blame] | 277 | /*package*/ static void nSetScale(long native_object, float sx, float sy) { |
Adam Lesinski | ab775ec | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 278 | Matrix_Delegate d = sManager.getDelegate(native_object); |
| 279 | if (d == null) { |
| 280 | return; |
| 281 | } |
| 282 | |
| 283 | d.mValues[0] = sx; |
| 284 | d.mValues[1] = 0; |
| 285 | d.mValues[2] = 0; |
| 286 | d.mValues[3] = 0; |
| 287 | d.mValues[4] = sy; |
| 288 | d.mValues[5] = 0; |
| 289 | d.mValues[6] = 0; |
| 290 | d.mValues[7] = 0; |
| 291 | d.mValues[8] = 1; |
| 292 | } |
| 293 | |
| 294 | @LayoutlibDelegate |
Jerome Gaillard | 7fa71f5 | 2016-11-11 12:39:34 +0000 | [diff] [blame] | 295 | /*package*/ static void nSetRotate(long native_object, float degrees, float px, float py) { |
Adam Lesinski | ab775ec | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 296 | Matrix_Delegate d = sManager.getDelegate(native_object); |
| 297 | if (d == null) { |
| 298 | return; |
| 299 | } |
| 300 | |
| 301 | d.mValues = getRotate(degrees, px, py); |
| 302 | } |
| 303 | |
| 304 | @LayoutlibDelegate |
Jerome Gaillard | 7fa71f5 | 2016-11-11 12:39:34 +0000 | [diff] [blame] | 305 | /*package*/ static void nSetRotate(long native_object, float degrees) { |
Adam Lesinski | ab775ec | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 306 | Matrix_Delegate d = sManager.getDelegate(native_object); |
| 307 | if (d == null) { |
| 308 | return; |
| 309 | } |
| 310 | |
| 311 | setRotate(d.mValues, degrees); |
| 312 | } |
| 313 | |
| 314 | @LayoutlibDelegate |
Jerome Gaillard | 7fa71f5 | 2016-11-11 12:39:34 +0000 | [diff] [blame] | 315 | /*package*/ static void nSetSinCos(long native_object, float sinValue, float cosValue, |
Adam Lesinski | ab775ec | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 316 | float px, float py) { |
| 317 | Matrix_Delegate d = sManager.getDelegate(native_object); |
| 318 | if (d == null) { |
| 319 | return; |
| 320 | } |
| 321 | |
| 322 | // TODO: do it in one pass |
| 323 | |
| 324 | // translate so that the pivot is in 0,0 |
| 325 | setTranslate(d.mValues, -px, -py); |
| 326 | |
| 327 | // scale |
| 328 | d.postTransform(getRotate(sinValue, cosValue)); |
| 329 | // translate back the pivot |
| 330 | d.postTransform(getTranslate(px, py)); |
| 331 | } |
| 332 | |
| 333 | @LayoutlibDelegate |
Jerome Gaillard | 7fa71f5 | 2016-11-11 12:39:34 +0000 | [diff] [blame] | 334 | /*package*/ static void nSetSinCos(long native_object, float sinValue, float cosValue) { |
Adam Lesinski | ab775ec | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 335 | Matrix_Delegate d = sManager.getDelegate(native_object); |
| 336 | if (d == null) { |
| 337 | return; |
| 338 | } |
| 339 | |
| 340 | setRotate(d.mValues, sinValue, cosValue); |
| 341 | } |
| 342 | |
| 343 | @LayoutlibDelegate |
Jerome Gaillard | 7fa71f5 | 2016-11-11 12:39:34 +0000 | [diff] [blame] | 344 | /*package*/ static void nSetSkew(long native_object, float kx, float ky, |
Adam Lesinski | ab775ec | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 345 | float px, float py) { |
| 346 | Matrix_Delegate d = sManager.getDelegate(native_object); |
| 347 | if (d == null) { |
| 348 | return; |
| 349 | } |
| 350 | |
| 351 | d.mValues = getSkew(kx, ky, px, py); |
| 352 | } |
| 353 | |
| 354 | @LayoutlibDelegate |
Jerome Gaillard | 7fa71f5 | 2016-11-11 12:39:34 +0000 | [diff] [blame] | 355 | /*package*/ static void nSetSkew(long native_object, float kx, float ky) { |
Adam Lesinski | ab775ec | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 356 | Matrix_Delegate d = sManager.getDelegate(native_object); |
| 357 | if (d == null) { |
| 358 | return; |
| 359 | } |
| 360 | |
| 361 | d.mValues[0] = 1; |
| 362 | d.mValues[1] = kx; |
| 363 | d.mValues[2] = -0; |
| 364 | d.mValues[3] = ky; |
| 365 | d.mValues[4] = 1; |
| 366 | d.mValues[5] = 0; |
| 367 | d.mValues[6] = 0; |
| 368 | d.mValues[7] = 0; |
| 369 | d.mValues[8] = 1; |
| 370 | } |
| 371 | |
| 372 | @LayoutlibDelegate |
Jerome Gaillard | 7fa71f5 | 2016-11-11 12:39:34 +0000 | [diff] [blame] | 373 | /*package*/ static void nSetConcat(long native_object, long a, long b) { |
Adam Lesinski | ab775ec | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 374 | if (a == native_object) { |
Jerome Gaillard | 7fa71f5 | 2016-11-11 12:39:34 +0000 | [diff] [blame] | 375 | nPreConcat(native_object, b); |
Deepanshu Gupta | 678cd7f | 2014-04-21 14:28:56 -0700 | [diff] [blame] | 376 | return; |
Adam Lesinski | ab775ec | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 377 | } else if (b == native_object) { |
Jerome Gaillard | 7fa71f5 | 2016-11-11 12:39:34 +0000 | [diff] [blame] | 378 | nPostConcat(native_object, a); |
Deepanshu Gupta | 678cd7f | 2014-04-21 14:28:56 -0700 | [diff] [blame] | 379 | return; |
Adam Lesinski | ab775ec | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 380 | } |
| 381 | |
| 382 | Matrix_Delegate d = sManager.getDelegate(native_object); |
Adam Lesinski | ab775ec | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 383 | Matrix_Delegate a_mtx = sManager.getDelegate(a); |
Adam Lesinski | ab775ec | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 384 | Matrix_Delegate b_mtx = sManager.getDelegate(b); |
Deepanshu Gupta | 678cd7f | 2014-04-21 14:28:56 -0700 | [diff] [blame] | 385 | if (d != null && a_mtx != null && b_mtx != null) { |
| 386 | multiply(d.mValues, a_mtx.mValues, b_mtx.mValues); |
Adam Lesinski | ab775ec | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 387 | } |
Adam Lesinski | ab775ec | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 388 | } |
| 389 | |
| 390 | @LayoutlibDelegate |
Jerome Gaillard | 7fa71f5 | 2016-11-11 12:39:34 +0000 | [diff] [blame] | 391 | /*package*/ static void nPreTranslate(long native_object, float dx, float dy) { |
Adam Lesinski | ab775ec | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 392 | Matrix_Delegate d = sManager.getDelegate(native_object); |
Deepanshu Gupta | 678cd7f | 2014-04-21 14:28:56 -0700 | [diff] [blame] | 393 | if (d != null) { |
| 394 | d.preTransform(getTranslate(dx, dy)); |
Adam Lesinski | ab775ec | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 395 | } |
Adam Lesinski | ab775ec | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 396 | } |
| 397 | |
| 398 | @LayoutlibDelegate |
Jerome Gaillard | 7fa71f5 | 2016-11-11 12:39:34 +0000 | [diff] [blame] | 399 | /*package*/ static void nPreScale(long native_object, float sx, float sy, |
Adam Lesinski | ab775ec | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 400 | float px, float py) { |
| 401 | Matrix_Delegate d = sManager.getDelegate(native_object); |
Deepanshu Gupta | 678cd7f | 2014-04-21 14:28:56 -0700 | [diff] [blame] | 402 | if (d != null) { |
| 403 | d.preTransform(getScale(sx, sy, px, py)); |
Adam Lesinski | ab775ec | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 404 | } |
Adam Lesinski | ab775ec | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 405 | } |
| 406 | |
| 407 | @LayoutlibDelegate |
Jerome Gaillard | 7fa71f5 | 2016-11-11 12:39:34 +0000 | [diff] [blame] | 408 | /*package*/ static void nPreScale(long native_object, float sx, float sy) { |
Adam Lesinski | ab775ec | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 409 | Matrix_Delegate d = sManager.getDelegate(native_object); |
Deepanshu Gupta | 678cd7f | 2014-04-21 14:28:56 -0700 | [diff] [blame] | 410 | if (d != null) { |
| 411 | d.preTransform(getScale(sx, sy)); |
Adam Lesinski | ab775ec | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 412 | } |
Adam Lesinski | ab775ec | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 413 | } |
| 414 | |
| 415 | @LayoutlibDelegate |
Jerome Gaillard | 7fa71f5 | 2016-11-11 12:39:34 +0000 | [diff] [blame] | 416 | /*package*/ static void nPreRotate(long native_object, float degrees, |
Adam Lesinski | ab775ec | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 417 | float px, float py) { |
| 418 | Matrix_Delegate d = sManager.getDelegate(native_object); |
Deepanshu Gupta | 678cd7f | 2014-04-21 14:28:56 -0700 | [diff] [blame] | 419 | if (d != null) { |
| 420 | d.preTransform(getRotate(degrees, px, py)); |
Adam Lesinski | ab775ec | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 421 | } |
Adam Lesinski | ab775ec | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 422 | } |
| 423 | |
| 424 | @LayoutlibDelegate |
Jerome Gaillard | 7fa71f5 | 2016-11-11 12:39:34 +0000 | [diff] [blame] | 425 | /*package*/ static void nPreRotate(long native_object, float degrees) { |
Adam Lesinski | ab775ec | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 426 | Matrix_Delegate d = sManager.getDelegate(native_object); |
Deepanshu Gupta | 678cd7f | 2014-04-21 14:28:56 -0700 | [diff] [blame] | 427 | if (d != null) { |
| 428 | |
| 429 | double rad = Math.toRadians(degrees); |
| 430 | float sin = (float) Math.sin(rad); |
| 431 | float cos = (float) Math.cos(rad); |
| 432 | |
| 433 | d.preTransform(getRotate(sin, cos)); |
Adam Lesinski | ab775ec | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 434 | } |
Adam Lesinski | ab775ec | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 435 | } |
| 436 | |
| 437 | @LayoutlibDelegate |
Jerome Gaillard | 7fa71f5 | 2016-11-11 12:39:34 +0000 | [diff] [blame] | 438 | /*package*/ static void nPreSkew(long native_object, float kx, float ky, |
Adam Lesinski | ab775ec | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 439 | float px, float py) { |
| 440 | Matrix_Delegate d = sManager.getDelegate(native_object); |
Deepanshu Gupta | 678cd7f | 2014-04-21 14:28:56 -0700 | [diff] [blame] | 441 | if (d != null) { |
| 442 | d.preTransform(getSkew(kx, ky, px, py)); |
Adam Lesinski | ab775ec | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 443 | } |
Adam Lesinski | ab775ec | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 444 | } |
| 445 | |
| 446 | @LayoutlibDelegate |
Jerome Gaillard | 7fa71f5 | 2016-11-11 12:39:34 +0000 | [diff] [blame] | 447 | /*package*/ static void nPreSkew(long native_object, float kx, float ky) { |
Adam Lesinski | ab775ec | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 448 | Matrix_Delegate d = sManager.getDelegate(native_object); |
Deepanshu Gupta | 678cd7f | 2014-04-21 14:28:56 -0700 | [diff] [blame] | 449 | if (d != null) { |
| 450 | d.preTransform(getSkew(kx, ky)); |
Adam Lesinski | ab775ec | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 451 | } |
Adam Lesinski | ab775ec | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 452 | } |
| 453 | |
| 454 | @LayoutlibDelegate |
Jerome Gaillard | 7fa71f5 | 2016-11-11 12:39:34 +0000 | [diff] [blame] | 455 | /*package*/ static void nPreConcat(long native_object, long other_matrix) { |
Adam Lesinski | ab775ec | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 456 | Matrix_Delegate d = sManager.getDelegate(native_object); |
Adam Lesinski | ab775ec | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 457 | Matrix_Delegate other = sManager.getDelegate(other_matrix); |
Deepanshu Gupta | 678cd7f | 2014-04-21 14:28:56 -0700 | [diff] [blame] | 458 | if (d != null && other != null) { |
| 459 | d.preTransform(other.mValues); |
Adam Lesinski | ab775ec | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 460 | } |
Adam Lesinski | ab775ec | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 461 | } |
| 462 | |
| 463 | @LayoutlibDelegate |
Jerome Gaillard | 7fa71f5 | 2016-11-11 12:39:34 +0000 | [diff] [blame] | 464 | /*package*/ static void nPostTranslate(long native_object, float dx, float dy) { |
Adam Lesinski | ab775ec | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 465 | Matrix_Delegate d = sManager.getDelegate(native_object); |
Deepanshu Gupta | 678cd7f | 2014-04-21 14:28:56 -0700 | [diff] [blame] | 466 | if (d != null) { |
| 467 | d.postTransform(getTranslate(dx, dy)); |
Adam Lesinski | ab775ec | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 468 | } |
Adam Lesinski | ab775ec | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 469 | } |
| 470 | |
| 471 | @LayoutlibDelegate |
Jerome Gaillard | 7fa71f5 | 2016-11-11 12:39:34 +0000 | [diff] [blame] | 472 | /*package*/ static void nPostScale(long native_object, float sx, float sy, |
Adam Lesinski | ab775ec | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 473 | float px, float py) { |
| 474 | Matrix_Delegate d = sManager.getDelegate(native_object); |
Deepanshu Gupta | 678cd7f | 2014-04-21 14:28:56 -0700 | [diff] [blame] | 475 | if (d != null) { |
| 476 | d.postTransform(getScale(sx, sy, px, py)); |
Adam Lesinski | ab775ec | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 477 | } |
Adam Lesinski | ab775ec | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 478 | } |
| 479 | |
| 480 | @LayoutlibDelegate |
Jerome Gaillard | 7fa71f5 | 2016-11-11 12:39:34 +0000 | [diff] [blame] | 481 | /*package*/ static void nPostScale(long native_object, float sx, float sy) { |
Adam Lesinski | ab775ec | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 482 | Matrix_Delegate d = sManager.getDelegate(native_object); |
Deepanshu Gupta | 678cd7f | 2014-04-21 14:28:56 -0700 | [diff] [blame] | 483 | if (d != null) { |
| 484 | d.postTransform(getScale(sx, sy)); |
Adam Lesinski | ab775ec | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 485 | } |
Adam Lesinski | ab775ec | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 486 | } |
| 487 | |
| 488 | @LayoutlibDelegate |
Jerome Gaillard | 7fa71f5 | 2016-11-11 12:39:34 +0000 | [diff] [blame] | 489 | /*package*/ static void nPostRotate(long native_object, float degrees, |
Adam Lesinski | ab775ec | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 490 | float px, float py) { |
| 491 | Matrix_Delegate d = sManager.getDelegate(native_object); |
Deepanshu Gupta | 678cd7f | 2014-04-21 14:28:56 -0700 | [diff] [blame] | 492 | if (d != null) { |
| 493 | d.postTransform(getRotate(degrees, px, py)); |
Adam Lesinski | ab775ec | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 494 | } |
Adam Lesinski | ab775ec | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 495 | } |
| 496 | |
| 497 | @LayoutlibDelegate |
Jerome Gaillard | 7fa71f5 | 2016-11-11 12:39:34 +0000 | [diff] [blame] | 498 | /*package*/ static void nPostRotate(long native_object, float degrees) { |
Adam Lesinski | ab775ec | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 499 | Matrix_Delegate d = sManager.getDelegate(native_object); |
Deepanshu Gupta | 678cd7f | 2014-04-21 14:28:56 -0700 | [diff] [blame] | 500 | if (d != null) { |
| 501 | d.postTransform(getRotate(degrees)); |
Adam Lesinski | ab775ec | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 502 | } |
Adam Lesinski | ab775ec | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 503 | } |
| 504 | |
| 505 | @LayoutlibDelegate |
Jerome Gaillard | 7fa71f5 | 2016-11-11 12:39:34 +0000 | [diff] [blame] | 506 | /*package*/ static void nPostSkew(long native_object, float kx, float ky, |
Adam Lesinski | ab775ec | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 507 | float px, float py) { |
| 508 | Matrix_Delegate d = sManager.getDelegate(native_object); |
Deepanshu Gupta | 678cd7f | 2014-04-21 14:28:56 -0700 | [diff] [blame] | 509 | if (d != null) { |
| 510 | d.postTransform(getSkew(kx, ky, px, py)); |
Adam Lesinski | ab775ec | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 511 | } |
Adam Lesinski | ab775ec | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 512 | } |
| 513 | |
| 514 | @LayoutlibDelegate |
Jerome Gaillard | 7fa71f5 | 2016-11-11 12:39:34 +0000 | [diff] [blame] | 515 | /*package*/ static void nPostSkew(long native_object, float kx, float ky) { |
Adam Lesinski | ab775ec | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 516 | Matrix_Delegate d = sManager.getDelegate(native_object); |
Deepanshu Gupta | 678cd7f | 2014-04-21 14:28:56 -0700 | [diff] [blame] | 517 | if (d != null) { |
| 518 | d.postTransform(getSkew(kx, ky)); |
Adam Lesinski | ab775ec | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 519 | } |
Adam Lesinski | ab775ec | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 520 | } |
| 521 | |
| 522 | @LayoutlibDelegate |
Jerome Gaillard | 7fa71f5 | 2016-11-11 12:39:34 +0000 | [diff] [blame] | 523 | /*package*/ static void nPostConcat(long native_object, long other_matrix) { |
Adam Lesinski | ab775ec | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 524 | Matrix_Delegate d = sManager.getDelegate(native_object); |
Adam Lesinski | ab775ec | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 525 | Matrix_Delegate other = sManager.getDelegate(other_matrix); |
Deepanshu Gupta | 678cd7f | 2014-04-21 14:28:56 -0700 | [diff] [blame] | 526 | if (d != null && other != null) { |
| 527 | d.postTransform(other.mValues); |
Adam Lesinski | ab775ec | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 528 | } |
Adam Lesinski | ab775ec | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 529 | } |
| 530 | |
| 531 | @LayoutlibDelegate |
Jerome Gaillard | 7fa71f5 | 2016-11-11 12:39:34 +0000 | [diff] [blame] | 532 | /*package*/ static boolean nSetRectToRect(long native_object, RectF src, |
Adam Lesinski | ab775ec | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 533 | RectF dst, int stf) { |
| 534 | Matrix_Delegate d = sManager.getDelegate(native_object); |
| 535 | if (d == null) { |
| 536 | return false; |
| 537 | } |
| 538 | |
| 539 | if (src.isEmpty()) { |
| 540 | reset(d.mValues); |
| 541 | return false; |
| 542 | } |
| 543 | |
| 544 | if (dst.isEmpty()) { |
| 545 | d.mValues[0] = d.mValues[1] = d.mValues[2] = d.mValues[3] = d.mValues[4] = d.mValues[5] |
| 546 | = d.mValues[6] = d.mValues[7] = 0; |
| 547 | d.mValues[8] = 1; |
| 548 | } else { |
| 549 | float tx, sx = dst.width() / src.width(); |
| 550 | float ty, sy = dst.height() / src.height(); |
| 551 | boolean xLarger = false; |
| 552 | |
| 553 | if (stf != ScaleToFit.FILL.nativeInt) { |
| 554 | if (sx > sy) { |
| 555 | xLarger = true; |
| 556 | sx = sy; |
| 557 | } else { |
| 558 | sy = sx; |
| 559 | } |
| 560 | } |
| 561 | |
| 562 | tx = dst.left - src.left * sx; |
| 563 | ty = dst.top - src.top * sy; |
| 564 | if (stf == ScaleToFit.CENTER.nativeInt || stf == ScaleToFit.END.nativeInt) { |
| 565 | float diff; |
| 566 | |
| 567 | if (xLarger) { |
| 568 | diff = dst.width() - src.width() * sy; |
| 569 | } else { |
| 570 | diff = dst.height() - src.height() * sy; |
| 571 | } |
| 572 | |
| 573 | if (stf == ScaleToFit.CENTER.nativeInt) { |
| 574 | diff = diff / 2; |
| 575 | } |
| 576 | |
| 577 | if (xLarger) { |
| 578 | tx += diff; |
| 579 | } else { |
| 580 | ty += diff; |
| 581 | } |
| 582 | } |
| 583 | |
| 584 | d.mValues[0] = sx; |
| 585 | d.mValues[4] = sy; |
| 586 | d.mValues[2] = tx; |
| 587 | d.mValues[5] = ty; |
| 588 | d.mValues[1] = d.mValues[3] = d.mValues[6] = d.mValues[7] = 0; |
| 589 | |
| 590 | } |
| 591 | // shared cleanup |
| 592 | d.mValues[8] = 1; |
| 593 | return true; |
| 594 | } |
| 595 | |
| 596 | @LayoutlibDelegate |
Jerome Gaillard | 7fa71f5 | 2016-11-11 12:39:34 +0000 | [diff] [blame] | 597 | /*package*/ static boolean nSetPolyToPoly(long native_object, float[] src, int srcIndex, |
Adam Lesinski | ab775ec | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 598 | float[] dst, int dstIndex, int pointCount) { |
| 599 | // FIXME |
Jerome Gaillard | d831f2f | 2020-07-01 13:24:28 +0100 | [diff] [blame] | 600 | Bridge.getLog().fidelityWarning(ILayoutLog.TAG_UNSUPPORTED, |
Adam Lesinski | ab775ec | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 601 | "Matrix.setPolyToPoly is not supported.", |
Jerome Gaillard | b484b7e | 2020-04-14 16:10:43 +0100 | [diff] [blame] | 602 | null, null, null /*data*/); |
Adam Lesinski | ab775ec | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 603 | return false; |
| 604 | } |
| 605 | |
| 606 | @LayoutlibDelegate |
Jerome Gaillard | 7fa71f5 | 2016-11-11 12:39:34 +0000 | [diff] [blame] | 607 | /*package*/ static boolean nInvert(long native_object, long inverse) { |
Adam Lesinski | ab775ec | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 608 | Matrix_Delegate d = sManager.getDelegate(native_object); |
| 609 | if (d == null) { |
| 610 | return false; |
| 611 | } |
| 612 | |
| 613 | Matrix_Delegate inv_mtx = sManager.getDelegate(inverse); |
| 614 | if (inv_mtx == null) { |
| 615 | return false; |
| 616 | } |
| 617 | |
Jerome Gaillard | 9baa304 | 2018-09-04 23:50:09 +0100 | [diff] [blame] | 618 | float det = d.mValues[0] * (d.mValues[4] * d.mValues[8] - d.mValues[5] * d.mValues[7]) |
| 619 | + d.mValues[1] * (d.mValues[5] * d.mValues[6] - d.mValues[3] * d.mValues[8]) |
| 620 | + d.mValues[2] * (d.mValues[3] * d.mValues[7] - d.mValues[4] * d.mValues[6]); |
Adam Lesinski | ab775ec | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 621 | |
Jerome Gaillard | 9baa304 | 2018-09-04 23:50:09 +0100 | [diff] [blame] | 622 | if (det == 0.0) { |
Adam Lesinski | ab775ec | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 623 | return false; |
| 624 | } |
Jerome Gaillard | 9baa304 | 2018-09-04 23:50:09 +0100 | [diff] [blame] | 625 | |
| 626 | inv_mtx.mValues[0] = (d.mValues[4] * d.mValues[8] - d.mValues[5] * d.mValues[7]) / det; |
| 627 | inv_mtx.mValues[1] = (d.mValues[2] * d.mValues[7] - d.mValues[1] * d.mValues[8]) / det; |
| 628 | inv_mtx.mValues[2] = (d.mValues[1] * d.mValues[5] - d.mValues[2] * d.mValues[4]) / det; |
| 629 | inv_mtx.mValues[3] = (d.mValues[5] * d.mValues[6] - d.mValues[3] * d.mValues[8]) / det; |
| 630 | inv_mtx.mValues[4] = (d.mValues[0] * d.mValues[8] - d.mValues[2] * d.mValues[6]) / det; |
| 631 | inv_mtx.mValues[5] = (d.mValues[2] * d.mValues[3] - d.mValues[0] * d.mValues[5]) / det; |
| 632 | inv_mtx.mValues[6] = (d.mValues[3] * d.mValues[7] - d.mValues[4] * d.mValues[6]) / det; |
| 633 | inv_mtx.mValues[7] = (d.mValues[1] * d.mValues[6] - d.mValues[0] * d.mValues[7]) / det; |
| 634 | inv_mtx.mValues[8] = (d.mValues[0] * d.mValues[4] - d.mValues[1] * d.mValues[3]) / det; |
| 635 | |
| 636 | return true; |
Adam Lesinski | ab775ec | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 637 | } |
| 638 | |
| 639 | @LayoutlibDelegate |
Jerome Gaillard | 7fa71f5 | 2016-11-11 12:39:34 +0000 | [diff] [blame] | 640 | /*package*/ static void nMapPoints(long native_object, float[] dst, int dstIndex, |
Adam Lesinski | ab775ec | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 641 | float[] src, int srcIndex, int ptCount, boolean isPts) { |
| 642 | Matrix_Delegate d = sManager.getDelegate(native_object); |
| 643 | if (d == null) { |
| 644 | return; |
| 645 | } |
| 646 | |
| 647 | if (isPts) { |
| 648 | d.mapPoints(dst, dstIndex, src, srcIndex, ptCount); |
| 649 | } else { |
| 650 | d.mapVectors(dst, dstIndex, src, srcIndex, ptCount); |
| 651 | } |
| 652 | } |
| 653 | |
| 654 | @LayoutlibDelegate |
Jerome Gaillard | 7fa71f5 | 2016-11-11 12:39:34 +0000 | [diff] [blame] | 655 | /*package*/ static boolean nMapRect(long native_object, RectF dst, RectF src) { |
Adam Lesinski | ab775ec | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 656 | Matrix_Delegate d = sManager.getDelegate(native_object); |
| 657 | if (d == null) { |
| 658 | return false; |
| 659 | } |
| 660 | |
| 661 | return d.mapRect(dst, src); |
| 662 | } |
| 663 | |
| 664 | @LayoutlibDelegate |
Jerome Gaillard | 7fa71f5 | 2016-11-11 12:39:34 +0000 | [diff] [blame] | 665 | /*package*/ static float nMapRadius(long native_object, float radius) { |
Adam Lesinski | ab775ec | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 666 | Matrix_Delegate d = sManager.getDelegate(native_object); |
| 667 | if (d == null) { |
| 668 | return 0.f; |
| 669 | } |
| 670 | |
| 671 | float[] src = new float[] { radius, 0.f, 0.f, radius }; |
| 672 | d.mapVectors(src, 0, src, 0, 2); |
| 673 | |
Neil Fuller | 2460c57 | 2014-10-01 11:55:10 +0100 | [diff] [blame] | 674 | float l1 = (float) Math.hypot(src[0], src[1]); |
| 675 | float l2 = (float) Math.hypot(src[2], src[3]); |
Adam Lesinski | ab775ec | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 676 | return (float) Math.sqrt(l1 * l2); |
| 677 | } |
| 678 | |
| 679 | @LayoutlibDelegate |
Jerome Gaillard | 7fa71f5 | 2016-11-11 12:39:34 +0000 | [diff] [blame] | 680 | /*package*/ static void nGetValues(long native_object, float[] values) { |
Adam Lesinski | ab775ec | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 681 | Matrix_Delegate d = sManager.getDelegate(native_object); |
| 682 | if (d == null) { |
| 683 | return; |
| 684 | } |
| 685 | |
Deepanshu Gupta | e5581b5 | 2015-08-03 10:23:56 -0700 | [diff] [blame] | 686 | System.arraycopy(d.mValues, 0, values, 0, MATRIX_SIZE); |
Adam Lesinski | ab775ec | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 687 | } |
| 688 | |
| 689 | @LayoutlibDelegate |
Jerome Gaillard | 7fa71f5 | 2016-11-11 12:39:34 +0000 | [diff] [blame] | 690 | /*package*/ static void nSetValues(long native_object, float[] values) { |
Adam Lesinski | ab775ec | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 691 | Matrix_Delegate d = sManager.getDelegate(native_object); |
| 692 | if (d == null) { |
| 693 | return; |
| 694 | } |
| 695 | |
| 696 | System.arraycopy(values, 0, d.mValues, 0, MATRIX_SIZE); |
| 697 | } |
| 698 | |
| 699 | @LayoutlibDelegate |
Jerome Gaillard | 7fa71f5 | 2016-11-11 12:39:34 +0000 | [diff] [blame] | 700 | /*package*/ static boolean nEquals(long native_a, long native_b) { |
Adam Lesinski | ab775ec | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 701 | Matrix_Delegate a = sManager.getDelegate(native_a); |
| 702 | if (a == null) { |
| 703 | return false; |
| 704 | } |
| 705 | |
| 706 | Matrix_Delegate b = sManager.getDelegate(native_b); |
| 707 | if (b == null) { |
| 708 | return false; |
| 709 | } |
| 710 | |
| 711 | for (int i = 0 ; i < MATRIX_SIZE ; i++) { |
| 712 | if (a.mValues[i] != b.mValues[i]) { |
| 713 | return false; |
| 714 | } |
| 715 | } |
| 716 | |
| 717 | return true; |
| 718 | } |
| 719 | |
| 720 | @LayoutlibDelegate |
Jerome Gaillard | 7fa71f5 | 2016-11-11 12:39:34 +0000 | [diff] [blame] | 721 | /*package*/ static long nGetNativeFinalizer() { |
| 722 | synchronized (Matrix_Delegate.class) { |
| 723 | if (sFinalizer == -1) { |
| 724 | sFinalizer = NativeAllocationRegistry_Delegate.createFinalizer(sManager::removeJavaReferenceFor); |
| 725 | } |
| 726 | } |
| 727 | return sFinalizer; |
Adam Lesinski | ab775ec | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 728 | } |
| 729 | |
| 730 | // ---- Private helper methods ---- |
| 731 | |
| 732 | /*package*/ static AffineTransform getAffineTransform(float[] matrix) { |
| 733 | // the AffineTransform constructor takes the value in a different order |
| 734 | // for a matrix [ 0 1 2 ] |
| 735 | // [ 3 4 5 ] |
| 736 | // the order is 0, 3, 1, 4, 2, 5... |
| 737 | return new AffineTransform( |
| 738 | matrix[0], matrix[3], matrix[1], |
| 739 | matrix[4], matrix[2], matrix[5]); |
| 740 | } |
| 741 | |
| 742 | /** |
| 743 | * Reset a matrix to the identity |
| 744 | */ |
| 745 | private static void reset(float[] mtx) { |
| 746 | for (int i = 0, k = 0; i < 3; i++) { |
| 747 | for (int j = 0; j < 3; j++, k++) { |
| 748 | mtx[k] = ((i==j) ? 1 : 0); |
| 749 | } |
| 750 | } |
| 751 | } |
| 752 | |
| 753 | @SuppressWarnings("unused") |
| 754 | private final static int kIdentity_Mask = 0; |
| 755 | private final static int kTranslate_Mask = 0x01; //!< set if the matrix has translation |
| 756 | private final static int kScale_Mask = 0x02; //!< set if the matrix has X or Y scale |
| 757 | private final static int kAffine_Mask = 0x04; //!< set if the matrix skews or rotates |
| 758 | private final static int kPerspective_Mask = 0x08; //!< set if the matrix is in perspective |
| 759 | private final static int kRectStaysRect_Mask = 0x10; |
| 760 | @SuppressWarnings("unused") |
| 761 | private final static int kUnknown_Mask = 0x80; |
| 762 | |
| 763 | @SuppressWarnings("unused") |
| 764 | private final static int kAllMasks = kTranslate_Mask | |
| 765 | kScale_Mask | |
| 766 | kAffine_Mask | |
| 767 | kPerspective_Mask | |
| 768 | kRectStaysRect_Mask; |
| 769 | |
| 770 | // these guys align with the masks, so we can compute a mask from a variable 0/1 |
| 771 | @SuppressWarnings("unused") |
| 772 | private final static int kTranslate_Shift = 0; |
| 773 | @SuppressWarnings("unused") |
| 774 | private final static int kScale_Shift = 1; |
| 775 | @SuppressWarnings("unused") |
| 776 | private final static int kAffine_Shift = 2; |
| 777 | @SuppressWarnings("unused") |
| 778 | private final static int kPerspective_Shift = 3; |
| 779 | private final static int kRectStaysRect_Shift = 4; |
| 780 | |
| 781 | private int computeTypeMask() { |
| 782 | int mask = 0; |
| 783 | |
| 784 | if (mValues[6] != 0. || mValues[7] != 0. || mValues[8] != 1.) { |
| 785 | mask |= kPerspective_Mask; |
| 786 | } |
| 787 | |
| 788 | if (mValues[2] != 0. || mValues[5] != 0.) { |
| 789 | mask |= kTranslate_Mask; |
| 790 | } |
| 791 | |
| 792 | float m00 = mValues[0]; |
| 793 | float m01 = mValues[1]; |
| 794 | float m10 = mValues[3]; |
| 795 | float m11 = mValues[4]; |
| 796 | |
| 797 | if (m01 != 0. || m10 != 0.) { |
| 798 | mask |= kAffine_Mask; |
| 799 | } |
| 800 | |
| 801 | if (m00 != 1. || m11 != 1.) { |
| 802 | mask |= kScale_Mask; |
| 803 | } |
| 804 | |
| 805 | if ((mask & kPerspective_Mask) == 0) { |
| 806 | // map non-zero to 1 |
| 807 | int im00 = m00 != 0 ? 1 : 0; |
| 808 | int im01 = m01 != 0 ? 1 : 0; |
| 809 | int im10 = m10 != 0 ? 1 : 0; |
| 810 | int im11 = m11 != 0 ? 1 : 0; |
| 811 | |
| 812 | // record if the (p)rimary and (s)econdary diagonals are all 0 or |
| 813 | // all non-zero (answer is 0 or 1) |
| 814 | int dp0 = (im00 | im11) ^ 1; // true if both are 0 |
| 815 | int dp1 = im00 & im11; // true if both are 1 |
| 816 | int ds0 = (im01 | im10) ^ 1; // true if both are 0 |
| 817 | int ds1 = im01 & im10; // true if both are 1 |
| 818 | |
| 819 | // return 1 if primary is 1 and secondary is 0 or |
| 820 | // primary is 0 and secondary is 1 |
| 821 | mask |= ((dp0 & ds1) | (dp1 & ds0)) << kRectStaysRect_Shift; |
| 822 | } |
| 823 | |
| 824 | return mask; |
| 825 | } |
| 826 | |
| 827 | private Matrix_Delegate() { |
| 828 | reset(); |
| 829 | } |
| 830 | |
| 831 | private Matrix_Delegate(float[] values) { |
| 832 | System.arraycopy(values, 0, mValues, 0, MATRIX_SIZE); |
| 833 | } |
| 834 | |
| 835 | /** |
| 836 | * Adds the given transformation to the current Matrix |
| 837 | * <p/>This in effect does this = this*matrix |
| 838 | * @param matrix |
| 839 | */ |
| 840 | private void postTransform(float[] matrix) { |
| 841 | float[] tmp = new float[9]; |
| 842 | multiply(tmp, mValues, matrix); |
| 843 | mValues = tmp; |
| 844 | } |
| 845 | |
| 846 | /** |
| 847 | * Adds the given transformation to the current Matrix |
| 848 | * <p/>This in effect does this = matrix*this |
| 849 | * @param matrix |
| 850 | */ |
| 851 | private void preTransform(float[] matrix) { |
| 852 | float[] tmp = new float[9]; |
| 853 | multiply(tmp, matrix, mValues); |
| 854 | mValues = tmp; |
| 855 | } |
| 856 | |
| 857 | /** |
| 858 | * Apply this matrix to the array of 2D points specified by src, and write |
| 859 | * the transformed points into the array of points specified by dst. The |
| 860 | * two arrays represent their "points" as pairs of floats [x, y]. |
| 861 | * |
| 862 | * @param dst The array of dst points (x,y pairs) |
| 863 | * @param dstIndex The index of the first [x,y] pair of dst floats |
| 864 | * @param src The array of src points (x,y pairs) |
| 865 | * @param srcIndex The index of the first [x,y] pair of src floats |
| 866 | * @param pointCount The number of points (x,y pairs) to transform |
| 867 | */ |
| 868 | |
| 869 | private void mapPoints(float[] dst, int dstIndex, float[] src, int srcIndex, |
| 870 | int pointCount) { |
| 871 | final int count = pointCount * 2; |
| 872 | |
| 873 | float[] tmpDest = dst; |
| 874 | boolean inPlace = dst == src; |
| 875 | if (inPlace) { |
| 876 | tmpDest = new float[dstIndex + count]; |
| 877 | } |
| 878 | |
| 879 | for (int i = 0 ; i < count ; i += 2) { |
| 880 | // just in case we are doing in place, we better put this in temp vars |
| 881 | float x = mValues[0] * src[i + srcIndex] + |
| 882 | mValues[1] * src[i + srcIndex + 1] + |
| 883 | mValues[2]; |
| 884 | float y = mValues[3] * src[i + srcIndex] + |
| 885 | mValues[4] * src[i + srcIndex + 1] + |
| 886 | mValues[5]; |
| 887 | |
| 888 | tmpDest[i + dstIndex] = x; |
| 889 | tmpDest[i + dstIndex + 1] = y; |
| 890 | } |
| 891 | |
| 892 | if (inPlace) { |
| 893 | System.arraycopy(tmpDest, dstIndex, dst, dstIndex, count); |
| 894 | } |
| 895 | } |
| 896 | |
| 897 | /** |
| 898 | * Apply this matrix to the array of 2D points, and write the transformed |
| 899 | * points back into the array |
| 900 | * |
| 901 | * @param pts The array [x0, y0, x1, y1, ...] of points to transform. |
| 902 | */ |
| 903 | |
| 904 | private void mapPoints(float[] pts) { |
| 905 | mapPoints(pts, 0, pts, 0, pts.length >> 1); |
| 906 | } |
| 907 | |
| 908 | private void mapVectors(float[] dst, int dstIndex, float[] src, int srcIndex, int ptCount) { |
| 909 | if (hasPerspective()) { |
| 910 | // transform the (0,0) point |
| 911 | float[] origin = new float[] { 0.f, 0.f}; |
| 912 | mapPoints(origin); |
| 913 | |
| 914 | // translate the vector data as points |
| 915 | mapPoints(dst, dstIndex, src, srcIndex, ptCount); |
| 916 | |
| 917 | // then substract the transformed origin. |
| 918 | final int count = ptCount * 2; |
| 919 | for (int i = 0 ; i < count ; i += 2) { |
| 920 | dst[dstIndex + i] = dst[dstIndex + i] - origin[0]; |
| 921 | dst[dstIndex + i + 1] = dst[dstIndex + i + 1] - origin[1]; |
| 922 | } |
| 923 | } else { |
| 924 | // make a copy of the matrix |
| 925 | Matrix_Delegate copy = new Matrix_Delegate(mValues); |
| 926 | |
| 927 | // remove the translation |
| 928 | setTranslate(copy.mValues, 0, 0); |
| 929 | |
| 930 | // map the content as points. |
| 931 | copy.mapPoints(dst, dstIndex, src, srcIndex, ptCount); |
| 932 | } |
| 933 | } |
| 934 | |
Adam Lesinski | ab775ec | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 935 | /** |
| 936 | * multiply two matrices and store them in a 3rd. |
| 937 | * <p/>This in effect does dest = a*b |
| 938 | * dest cannot be the same as a or b. |
| 939 | */ |
| 940 | /*package*/ static void multiply(float dest[], float[] a, float[] b) { |
| 941 | // first row |
| 942 | dest[0] = b[0] * a[0] + b[1] * a[3] + b[2] * a[6]; |
| 943 | dest[1] = b[0] * a[1] + b[1] * a[4] + b[2] * a[7]; |
| 944 | dest[2] = b[0] * a[2] + b[1] * a[5] + b[2] * a[8]; |
| 945 | |
| 946 | // 2nd row |
| 947 | dest[3] = b[3] * a[0] + b[4] * a[3] + b[5] * a[6]; |
| 948 | dest[4] = b[3] * a[1] + b[4] * a[4] + b[5] * a[7]; |
| 949 | dest[5] = b[3] * a[2] + b[4] * a[5] + b[5] * a[8]; |
| 950 | |
| 951 | // 3rd row |
| 952 | dest[6] = b[6] * a[0] + b[7] * a[3] + b[8] * a[6]; |
| 953 | dest[7] = b[6] * a[1] + b[7] * a[4] + b[8] * a[7]; |
| 954 | dest[8] = b[6] * a[2] + b[7] * a[5] + b[8] * a[8]; |
| 955 | } |
| 956 | |
| 957 | /** |
| 958 | * Returns a matrix that represents a given translate |
| 959 | * @param dx |
| 960 | * @param dy |
| 961 | * @return |
| 962 | */ |
| 963 | /*package*/ static float[] getTranslate(float dx, float dy) { |
| 964 | return setTranslate(new float[9], dx, dy); |
| 965 | } |
| 966 | |
| 967 | /*package*/ static float[] setTranslate(float[] dest, float dx, float dy) { |
| 968 | dest[0] = 1; |
| 969 | dest[1] = 0; |
| 970 | dest[2] = dx; |
| 971 | dest[3] = 0; |
| 972 | dest[4] = 1; |
| 973 | dest[5] = dy; |
| 974 | dest[6] = 0; |
| 975 | dest[7] = 0; |
| 976 | dest[8] = 1; |
| 977 | return dest; |
| 978 | } |
| 979 | |
| 980 | /*package*/ static float[] getScale(float sx, float sy) { |
| 981 | return new float[] { sx, 0, 0, 0, sy, 0, 0, 0, 1 }; |
| 982 | } |
| 983 | |
| 984 | /** |
| 985 | * Returns a matrix that represents the given scale info. |
| 986 | * @param sx |
| 987 | * @param sy |
| 988 | * @param px |
| 989 | * @param py |
| 990 | */ |
| 991 | /*package*/ static float[] getScale(float sx, float sy, float px, float py) { |
| 992 | float[] tmp = new float[9]; |
| 993 | float[] tmp2 = new float[9]; |
| 994 | |
| 995 | // TODO: do it in one pass |
| 996 | |
| 997 | // translate tmp so that the pivot is in 0,0 |
| 998 | setTranslate(tmp, -px, -py); |
| 999 | |
| 1000 | // scale into tmp2 |
| 1001 | multiply(tmp2, tmp, getScale(sx, sy)); |
| 1002 | |
| 1003 | // translate back the pivot back into tmp |
| 1004 | multiply(tmp, tmp2, getTranslate(px, py)); |
| 1005 | |
| 1006 | return tmp; |
| 1007 | } |
| 1008 | |
| 1009 | |
| 1010 | /*package*/ static float[] getRotate(float degrees) { |
| 1011 | double rad = Math.toRadians(degrees); |
| 1012 | float sin = (float)Math.sin(rad); |
| 1013 | float cos = (float)Math.cos(rad); |
| 1014 | |
| 1015 | return getRotate(sin, cos); |
| 1016 | } |
| 1017 | |
| 1018 | /*package*/ static float[] getRotate(float sin, float cos) { |
| 1019 | return setRotate(new float[9], sin, cos); |
| 1020 | } |
| 1021 | |
| 1022 | /*package*/ static float[] setRotate(float[] dest, float degrees) { |
| 1023 | double rad = Math.toRadians(degrees); |
| 1024 | float sin = (float)Math.sin(rad); |
| 1025 | float cos = (float)Math.cos(rad); |
| 1026 | |
| 1027 | return setRotate(dest, sin, cos); |
| 1028 | } |
| 1029 | |
| 1030 | /*package*/ static float[] setRotate(float[] dest, float sin, float cos) { |
| 1031 | dest[0] = cos; |
| 1032 | dest[1] = -sin; |
| 1033 | dest[2] = 0; |
| 1034 | dest[3] = sin; |
| 1035 | dest[4] = cos; |
| 1036 | dest[5] = 0; |
| 1037 | dest[6] = 0; |
| 1038 | dest[7] = 0; |
| 1039 | dest[8] = 1; |
| 1040 | return dest; |
| 1041 | } |
| 1042 | |
| 1043 | /*package*/ static float[] getRotate(float degrees, float px, float py) { |
| 1044 | float[] tmp = new float[9]; |
| 1045 | float[] tmp2 = new float[9]; |
| 1046 | |
| 1047 | // TODO: do it in one pass |
| 1048 | |
| 1049 | // translate so that the pivot is in 0,0 |
| 1050 | setTranslate(tmp, -px, -py); |
| 1051 | |
| 1052 | // rotate into tmp2 |
| 1053 | double rad = Math.toRadians(degrees); |
| 1054 | float cos = (float)Math.cos(rad); |
| 1055 | float sin = (float)Math.sin(rad); |
| 1056 | multiply(tmp2, tmp, getRotate(sin, cos)); |
| 1057 | |
| 1058 | // translate back the pivot back into tmp |
| 1059 | multiply(tmp, tmp2, getTranslate(px, py)); |
| 1060 | |
| 1061 | return tmp; |
| 1062 | } |
| 1063 | |
| 1064 | /*package*/ static float[] getSkew(float kx, float ky) { |
| 1065 | return new float[] { 1, kx, 0, ky, 1, 0, 0, 0, 1 }; |
| 1066 | } |
| 1067 | |
| 1068 | /*package*/ static float[] getSkew(float kx, float ky, float px, float py) { |
| 1069 | float[] tmp = new float[9]; |
| 1070 | float[] tmp2 = new float[9]; |
| 1071 | |
| 1072 | // TODO: do it in one pass |
| 1073 | |
| 1074 | // translate so that the pivot is in 0,0 |
| 1075 | setTranslate(tmp, -px, -py); |
| 1076 | |
| 1077 | // skew into tmp2 |
| 1078 | multiply(tmp2, tmp, new float[] { 1, kx, 0, ky, 1, 0, 0, 0, 1 }); |
| 1079 | // translate back the pivot back into tmp |
| 1080 | multiply(tmp, tmp2, getTranslate(px, py)); |
| 1081 | |
| 1082 | return tmp; |
| 1083 | } |
| 1084 | } |