GLES20Canvas.java revision e651cc6239616a202f6e96ebc2ed93b4b8b3627c
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 17package android.view; 18 19import android.graphics.Bitmap; 20import android.graphics.Canvas; 21import android.graphics.ColorFilter; 22import android.graphics.DrawFilter; 23import android.graphics.Matrix; 24import android.graphics.Paint; 25import android.graphics.PaintFlagsDrawFilter; 26import android.graphics.Path; 27import android.graphics.Picture; 28import android.graphics.PorterDuff; 29import android.graphics.Rect; 30import android.graphics.RectF; 31import android.graphics.Region; 32import android.graphics.Shader; 33import android.graphics.SurfaceTexture; 34import android.graphics.TemporaryBuffer; 35import android.text.GraphicsOperations; 36import android.text.SpannableString; 37import android.text.SpannedString; 38import android.text.TextUtils; 39 40/** 41 * An implementation of Canvas on top of OpenGL ES 2.0. 42 */ 43class GLES20Canvas extends HardwareCanvas { 44 // Must match modifiers used in the JNI layer 45 private static final int MODIFIER_NONE = 0; 46 private static final int MODIFIER_SHADOW = 1; 47 private static final int MODIFIER_SHADER = 2; 48 private static final int MODIFIER_COLOR_FILTER = 4; 49 50 private final boolean mOpaque; 51 private int mRenderer; 52 53 // The native renderer will be destroyed when this object dies. 54 // DO NOT overwrite this reference once it is set. 55 @SuppressWarnings({"unused", "FieldCanBeLocal"}) 56 private CanvasFinalizer mFinalizer; 57 58 private int mWidth; 59 private int mHeight; 60 61 private final float[] mPoint = new float[2]; 62 private final float[] mLine = new float[4]; 63 64 private final Rect mClipBounds = new Rect(); 65 private final RectF mPathBounds = new RectF(); 66 67 private DrawFilter mFilter; 68 69 /////////////////////////////////////////////////////////////////////////// 70 // JNI 71 /////////////////////////////////////////////////////////////////////////// 72 73 private static native boolean nIsAvailable(); 74 private static boolean sIsAvailable = nIsAvailable(); 75 76 static boolean isAvailable() { 77 return sIsAvailable; 78 } 79 80 /////////////////////////////////////////////////////////////////////////// 81 // Constructors 82 /////////////////////////////////////////////////////////////////////////// 83 84 /** 85 * Creates a canvas to render directly on screen. 86 */ 87 GLES20Canvas(boolean translucent) { 88 this(false, translucent); 89 } 90 91 /** 92 * Creates a canvas to render into an FBO. 93 */ 94 GLES20Canvas(int layer, boolean translucent) { 95 mOpaque = !translucent; 96 mRenderer = nCreateLayerRenderer(layer); 97 setupFinalizer(); 98 } 99 100 protected GLES20Canvas(boolean record, boolean translucent) { 101 mOpaque = !translucent; 102 103 if (record) { 104 mRenderer = nCreateDisplayListRenderer(); 105 } else { 106 mRenderer = nCreateRenderer(); 107 } 108 109 setupFinalizer(); 110 } 111 112 private void setupFinalizer() { 113 if (mRenderer == 0) { 114 throw new IllegalStateException("Could not create GLES20Canvas renderer"); 115 } else { 116 mFinalizer = new CanvasFinalizer(mRenderer); 117 } 118 } 119 120 protected void resetDisplayListRenderer() { 121 nResetDisplayListRenderer(mRenderer); 122 } 123 124 private static native int nCreateRenderer(); 125 private static native int nCreateLayerRenderer(int layer); 126 private static native int nCreateDisplayListRenderer(); 127 private static native void nResetDisplayListRenderer(int renderer); 128 private static native void nDestroyRenderer(int renderer); 129 130 private static final class CanvasFinalizer { 131 private final int mRenderer; 132 133 public CanvasFinalizer(int renderer) { 134 mRenderer = renderer; 135 } 136 137 @Override 138 protected void finalize() throws Throwable { 139 try { 140 nDestroyRenderer(mRenderer); 141 } finally { 142 super.finalize(); 143 } 144 } 145 } 146 147 /////////////////////////////////////////////////////////////////////////// 148 // Hardware layers 149 /////////////////////////////////////////////////////////////////////////// 150 151 static native int nCreateTextureLayer(boolean opaque, int[] layerInfo); 152 static native int nCreateLayer(int width, int height, boolean isOpaque, int[] layerInfo); 153 static native void nResizeLayer(int layerId, int width, int height, int[] layerInfo); 154 static native void nUpdateTextureLayer(int layerId, int width, int height, boolean opaque, 155 SurfaceTexture surface); 156 static native void nSetTextureLayerTransform(int layerId, int matrix); 157 static native void nDestroyLayer(int layerId); 158 static native void nDestroyLayerDeferred(int layerId); 159 static native void nFlushLayer(int layerId); 160 static native void nUpdateRenderLayer(int layerId, int renderer, int displayList, 161 int left, int top, int right, int bottom); 162 static native boolean nCopyLayer(int layerId, int bitmap); 163 164 /////////////////////////////////////////////////////////////////////////// 165 // Canvas management 166 /////////////////////////////////////////////////////////////////////////// 167 168 @Override 169 public boolean isOpaque() { 170 return mOpaque; 171 } 172 173 @Override 174 public int getWidth() { 175 return mWidth; 176 } 177 178 @Override 179 public int getHeight() { 180 return mHeight; 181 } 182 183 @Override 184 public int getMaximumBitmapWidth() { 185 return nGetMaximumTextureWidth(); 186 } 187 188 @Override 189 public int getMaximumBitmapHeight() { 190 return nGetMaximumTextureHeight(); 191 } 192 193 private static native int nGetMaximumTextureWidth(); 194 private static native int nGetMaximumTextureHeight(); 195 196 /** 197 * Returns the native OpenGLRenderer object. 198 */ 199 int getRenderer() { 200 return mRenderer; 201 } 202 203 /////////////////////////////////////////////////////////////////////////// 204 // Setup 205 /////////////////////////////////////////////////////////////////////////// 206 207 @Override 208 public void setViewport(int width, int height) { 209 mWidth = width; 210 mHeight = height; 211 212 nSetViewport(mRenderer, width, height); 213 } 214 215 private static native void nSetViewport(int renderer, int width, int height); 216 217 @Override 218 public void onPreDraw(Rect dirty) { 219 if (dirty != null) { 220 nPrepareDirty(mRenderer, dirty.left, dirty.top, dirty.right, dirty.bottom, mOpaque); 221 } else { 222 nPrepare(mRenderer, mOpaque); 223 } 224 } 225 226 private static native void nPrepare(int renderer, boolean opaque); 227 private static native void nPrepareDirty(int renderer, int left, int top, int right, int bottom, 228 boolean opaque); 229 230 @Override 231 public void onPostDraw() { 232 nFinish(mRenderer); 233 } 234 235 private static native void nFinish(int renderer); 236 237 /** 238 * Returns the size of the stencil buffer required by the underlying 239 * implementation. 240 * 241 * @return The minimum number of bits the stencil buffer must. Always >= 0. 242 * 243 * @hide 244 */ 245 public static int getStencilSize() { 246 return nGetStencilSize(); 247 } 248 249 private static native int nGetStencilSize(); 250 251 /////////////////////////////////////////////////////////////////////////// 252 // Functor 253 /////////////////////////////////////////////////////////////////////////// 254 255 @Override 256 public int callDrawGLFunction(int drawGLFunction) { 257 return nCallDrawGLFunction(mRenderer, drawGLFunction); 258 } 259 260 private static native int nCallDrawGLFunction(int renderer, int drawGLFunction); 261 262 @Override 263 public int invokeFunctors(Rect dirty) { 264 return nInvokeFunctors(mRenderer, dirty); 265 } 266 267 private static native int nInvokeFunctors(int renderer, Rect dirty); 268 269 @Override 270 public void detachFunctor(int functor) { 271 nDetachFunctor(mRenderer, functor); 272 } 273 274 private static native void nDetachFunctor(int renderer, int functor); 275 276 @Override 277 public void attachFunctor(int functor) { 278 nAttachFunctor(mRenderer, functor); 279 } 280 281 private static native void nAttachFunctor(int renderer, int functor); 282 283 /////////////////////////////////////////////////////////////////////////// 284 // Memory 285 /////////////////////////////////////////////////////////////////////////// 286 287 /** 288 * Must match Caches::FlushMode values 289 * 290 * @see #flushCaches(int) 291 */ 292 public static final int FLUSH_CACHES_LAYERS = 0; 293 294 /** 295 * Must match Caches::FlushMode values 296 * 297 * @see #flushCaches(int) 298 */ 299 public static final int FLUSH_CACHES_MODERATE = 1; 300 301 /** 302 * Must match Caches::FlushMode values 303 * 304 * @see #flushCaches(int) 305 */ 306 public static final int FLUSH_CACHES_FULL = 2; 307 308 /** 309 * Flush caches to reclaim as much memory as possible. The amount of memory 310 * to reclaim is indicate by the level parameter. 311 * 312 * The level can be one of {@link #FLUSH_CACHES_MODERATE} or 313 * {@link #FLUSH_CACHES_FULL}. 314 * 315 * @param level Hint about the amount of memory to reclaim 316 * 317 * @hide 318 */ 319 public static void flushCaches(int level) { 320 nFlushCaches(level); 321 } 322 323 private static native void nFlushCaches(int level); 324 325 /** 326 * Release all resources associated with the underlying caches. This should 327 * only be called after a full flushCaches(). 328 * 329 * @hide 330 */ 331 public static void terminateCaches() { 332 nTerminateCaches(); 333 } 334 335 private static native void nTerminateCaches(); 336 337 /** 338 * @hide 339 */ 340 public static void initCaches() { 341 nInitCaches(); 342 } 343 344 private static native void nInitCaches(); 345 346 /////////////////////////////////////////////////////////////////////////// 347 // Display list 348 /////////////////////////////////////////////////////////////////////////// 349 350 int getDisplayList(int displayList) { 351 return nGetDisplayList(mRenderer, displayList); 352 } 353 354 private static native int nGetDisplayList(int renderer, int displayList); 355 356 static void destroyDisplayList(int displayList) { 357 nDestroyDisplayList(displayList); 358 } 359 360 private static native void nDestroyDisplayList(int displayList); 361 362 static int getDisplayListSize(int displayList) { 363 return nGetDisplayListSize(displayList); 364 } 365 366 private static native int nGetDisplayListSize(int displayList); 367 368 static void setDisplayListName(int displayList, String name) { 369 nSetDisplayListName(displayList, name); 370 } 371 372 private static native void nSetDisplayListName(int displayList, String name); 373 374 @Override 375 public int drawDisplayList(DisplayList displayList, Rect dirty, int flags) { 376 return nDrawDisplayList(mRenderer, ((GLES20DisplayList) displayList).getNativeDisplayList(), 377 dirty, flags); 378 } 379 380 private static native int nDrawDisplayList(int renderer, int displayList, 381 Rect dirty, int flags); 382 383 @Override 384 void outputDisplayList(DisplayList displayList) { 385 nOutputDisplayList(mRenderer, ((GLES20DisplayList) displayList).getNativeDisplayList()); 386 } 387 388 private static native void nOutputDisplayList(int renderer, int displayList); 389 390 /////////////////////////////////////////////////////////////////////////// 391 // Hardware layer 392 /////////////////////////////////////////////////////////////////////////// 393 394 void drawHardwareLayer(HardwareLayer layer, float x, float y, Paint paint) { 395 final GLES20Layer glLayer = (GLES20Layer) layer; 396 int modifier = paint != null ? setupColorFilter(paint) : MODIFIER_NONE; 397 try { 398 final int nativePaint = paint == null ? 0 : paint.mNativePaint; 399 nDrawLayer(mRenderer, glLayer.getLayer(), x, y, nativePaint); 400 } finally { 401 if (modifier != MODIFIER_NONE) nResetModifiers(mRenderer, modifier); 402 } 403 } 404 405 private static native void nDrawLayer(int renderer, int layer, float x, float y, int paint); 406 407 void interrupt() { 408 nInterrupt(mRenderer); 409 } 410 411 void resume() { 412 nResume(mRenderer); 413 } 414 415 private static native void nInterrupt(int renderer); 416 private static native void nResume(int renderer); 417 418 /////////////////////////////////////////////////////////////////////////// 419 // Clipping 420 /////////////////////////////////////////////////////////////////////////// 421 422 @Override 423 public boolean clipPath(Path path) { 424 // TODO: Implement 425 path.computeBounds(mPathBounds, true); 426 return nClipRect(mRenderer, mPathBounds.left, mPathBounds.top, 427 mPathBounds.right, mPathBounds.bottom, Region.Op.INTERSECT.nativeInt); 428 } 429 430 @Override 431 public boolean clipPath(Path path, Region.Op op) { 432 // TODO: Implement 433 path.computeBounds(mPathBounds, true); 434 return nClipRect(mRenderer, mPathBounds.left, mPathBounds.top, 435 mPathBounds.right, mPathBounds.bottom, op.nativeInt); 436 } 437 438 @Override 439 public boolean clipRect(float left, float top, float right, float bottom) { 440 return nClipRect(mRenderer, left, top, right, bottom, Region.Op.INTERSECT.nativeInt); 441 } 442 443 private static native boolean nClipRect(int renderer, float left, float top, 444 float right, float bottom, int op); 445 446 @Override 447 public boolean clipRect(float left, float top, float right, float bottom, Region.Op op) { 448 return nClipRect(mRenderer, left, top, right, bottom, op.nativeInt); 449 } 450 451 @Override 452 public boolean clipRect(int left, int top, int right, int bottom) { 453 return nClipRect(mRenderer, left, top, right, bottom, Region.Op.INTERSECT.nativeInt); 454 } 455 456 private static native boolean nClipRect(int renderer, int left, int top, int right, int bottom, 457 int op); 458 459 @Override 460 public boolean clipRect(Rect rect) { 461 return nClipRect(mRenderer, rect.left, rect.top, rect.right, rect.bottom, 462 Region.Op.INTERSECT.nativeInt); 463 } 464 465 @Override 466 public boolean clipRect(Rect rect, Region.Op op) { 467 return nClipRect(mRenderer, rect.left, rect.top, rect.right, rect.bottom, op.nativeInt); 468 } 469 470 @Override 471 public boolean clipRect(RectF rect) { 472 return nClipRect(mRenderer, rect.left, rect.top, rect.right, rect.bottom, 473 Region.Op.INTERSECT.nativeInt); 474 } 475 476 @Override 477 public boolean clipRect(RectF rect, Region.Op op) { 478 return nClipRect(mRenderer, rect.left, rect.top, rect.right, rect.bottom, op.nativeInt); 479 } 480 481 @Override 482 public boolean clipRegion(Region region) { 483 // TODO: Implement 484 region.getBounds(mClipBounds); 485 return nClipRect(mRenderer, mClipBounds.left, mClipBounds.top, 486 mClipBounds.right, mClipBounds.bottom, Region.Op.INTERSECT.nativeInt); 487 } 488 489 @Override 490 public boolean clipRegion(Region region, Region.Op op) { 491 // TODO: Implement 492 region.getBounds(mClipBounds); 493 return nClipRect(mRenderer, mClipBounds.left, mClipBounds.top, 494 mClipBounds.right, mClipBounds.bottom, op.nativeInt); 495 } 496 497 @Override 498 public boolean getClipBounds(Rect bounds) { 499 return nGetClipBounds(mRenderer, bounds); 500 } 501 502 private static native boolean nGetClipBounds(int renderer, Rect bounds); 503 504 @Override 505 public boolean quickReject(float left, float top, float right, float bottom, EdgeType type) { 506 return nQuickReject(mRenderer, left, top, right, bottom, type.nativeInt); 507 } 508 509 private static native boolean nQuickReject(int renderer, float left, float top, 510 float right, float bottom, int edge); 511 512 @Override 513 public boolean quickReject(Path path, EdgeType type) { 514 path.computeBounds(mPathBounds, true); 515 return nQuickReject(mRenderer, mPathBounds.left, mPathBounds.top, 516 mPathBounds.right, mPathBounds.bottom, type.nativeInt); 517 } 518 519 @Override 520 public boolean quickReject(RectF rect, EdgeType type) { 521 return nQuickReject(mRenderer, rect.left, rect.top, rect.right, rect.bottom, type.nativeInt); 522 } 523 524 /////////////////////////////////////////////////////////////////////////// 525 // Transformations 526 /////////////////////////////////////////////////////////////////////////// 527 528 @Override 529 public void translate(float dx, float dy) { 530 if (dx != 0.0f || dy != 0.0f) nTranslate(mRenderer, dx, dy); 531 } 532 533 private static native void nTranslate(int renderer, float dx, float dy); 534 535 @Override 536 public void skew(float sx, float sy) { 537 nSkew(mRenderer, sx, sy); 538 } 539 540 private static native void nSkew(int renderer, float sx, float sy); 541 542 @Override 543 public void rotate(float degrees) { 544 nRotate(mRenderer, degrees); 545 } 546 547 private static native void nRotate(int renderer, float degrees); 548 549 @Override 550 public void scale(float sx, float sy) { 551 nScale(mRenderer, sx, sy); 552 } 553 554 private static native void nScale(int renderer, float sx, float sy); 555 556 @Override 557 public void setMatrix(Matrix matrix) { 558 nSetMatrix(mRenderer, matrix == null ? 0 : matrix.native_instance); 559 } 560 561 private static native void nSetMatrix(int renderer, int matrix); 562 563 @SuppressWarnings("deprecation") 564 @Override 565 public void getMatrix(Matrix matrix) { 566 nGetMatrix(mRenderer, matrix.native_instance); 567 } 568 569 private static native void nGetMatrix(int renderer, int matrix); 570 571 @Override 572 public void concat(Matrix matrix) { 573 nConcatMatrix(mRenderer, matrix.native_instance); 574 } 575 576 private static native void nConcatMatrix(int renderer, int matrix); 577 578 /////////////////////////////////////////////////////////////////////////// 579 // State management 580 /////////////////////////////////////////////////////////////////////////// 581 582 @Override 583 public int save() { 584 return nSave(mRenderer, Canvas.CLIP_SAVE_FLAG | Canvas.MATRIX_SAVE_FLAG); 585 } 586 587 @Override 588 public int save(int saveFlags) { 589 return nSave(mRenderer, saveFlags); 590 } 591 592 private static native int nSave(int renderer, int flags); 593 594 @Override 595 public int saveLayer(RectF bounds, Paint paint, int saveFlags) { 596 if (bounds != null) { 597 return saveLayer(bounds.left, bounds.top, bounds.right, bounds.bottom, paint, saveFlags); 598 } 599 600 int count; 601 int modifier = paint != null ? setupColorFilter(paint) : MODIFIER_NONE; 602 try { 603 final int nativePaint = paint == null ? 0 : paint.mNativePaint; 604 count = nSaveLayer(mRenderer, nativePaint, saveFlags); 605 } finally { 606 if (modifier != MODIFIER_NONE) nResetModifiers(mRenderer, modifier); 607 } 608 return count; 609 } 610 611 private static native int nSaveLayer(int renderer, int paint, int saveFlags); 612 613 @Override 614 public int saveLayer(float left, float top, float right, float bottom, Paint paint, 615 int saveFlags) { 616 if (left < right && top < bottom) { 617 int count; 618 int modifier = paint != null ? setupColorFilter(paint) : MODIFIER_NONE; 619 try { 620 final int nativePaint = paint == null ? 0 : paint.mNativePaint; 621 count = nSaveLayer(mRenderer, left, top, right, bottom, nativePaint, saveFlags); 622 } finally { 623 if (modifier != MODIFIER_NONE) nResetModifiers(mRenderer, modifier); 624 } 625 return count; 626 } 627 return save(saveFlags); 628 } 629 630 private static native int nSaveLayer(int renderer, float left, float top, 631 float right, float bottom, int paint, int saveFlags); 632 633 @Override 634 public int saveLayerAlpha(RectF bounds, int alpha, int saveFlags) { 635 if (bounds != null) { 636 return saveLayerAlpha(bounds.left, bounds.top, bounds.right, bounds.bottom, 637 alpha, saveFlags); 638 } 639 return nSaveLayerAlpha(mRenderer, alpha, saveFlags); 640 } 641 642 private static native int nSaveLayerAlpha(int renderer, int alpha, int saveFlags); 643 644 @Override 645 public int saveLayerAlpha(float left, float top, float right, float bottom, int alpha, 646 int saveFlags) { 647 if (left < right && top < bottom) { 648 return nSaveLayerAlpha(mRenderer, left, top, right, bottom, alpha, saveFlags); 649 } 650 return save(saveFlags); 651 } 652 653 private static native int nSaveLayerAlpha(int renderer, float left, float top, float right, 654 float bottom, int alpha, int saveFlags); 655 656 @Override 657 public void restore() { 658 nRestore(mRenderer); 659 } 660 661 private static native void nRestore(int renderer); 662 663 @Override 664 public void restoreToCount(int saveCount) { 665 nRestoreToCount(mRenderer, saveCount); 666 } 667 668 private static native void nRestoreToCount(int renderer, int saveCount); 669 670 @Override 671 public int getSaveCount() { 672 return nGetSaveCount(mRenderer); 673 } 674 675 private static native int nGetSaveCount(int renderer); 676 677 /////////////////////////////////////////////////////////////////////////// 678 // Filtering 679 /////////////////////////////////////////////////////////////////////////// 680 681 @Override 682 public void setDrawFilter(DrawFilter filter) { 683 mFilter = filter; 684 if (filter == null) { 685 nResetPaintFilter(mRenderer); 686 } else if (filter instanceof PaintFlagsDrawFilter) { 687 PaintFlagsDrawFilter flagsFilter = (PaintFlagsDrawFilter) filter; 688 nSetupPaintFilter(mRenderer, flagsFilter.clearBits, flagsFilter.setBits); 689 } 690 } 691 692 private static native void nResetPaintFilter(int renderer); 693 private static native void nSetupPaintFilter(int renderer, int clearBits, int setBits); 694 695 @Override 696 public DrawFilter getDrawFilter() { 697 return mFilter; 698 } 699 700 /////////////////////////////////////////////////////////////////////////// 701 // Drawing 702 /////////////////////////////////////////////////////////////////////////// 703 704 @Override 705 public void drawArc(RectF oval, float startAngle, float sweepAngle, boolean useCenter, 706 Paint paint) { 707 int modifiers = setupModifiers(paint, MODIFIER_COLOR_FILTER | MODIFIER_SHADER); 708 try { 709 nDrawArc(mRenderer, oval.left, oval.top, oval.right, oval.bottom, 710 startAngle, sweepAngle, useCenter, paint.mNativePaint); 711 } finally { 712 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 713 } 714 } 715 716 private static native void nDrawArc(int renderer, float left, float top, 717 float right, float bottom, float startAngle, float sweepAngle, 718 boolean useCenter, int paint); 719 720 @Override 721 public void drawARGB(int a, int r, int g, int b) { 722 drawColor((a & 0xFF) << 24 | (r & 0xFF) << 16 | (g & 0xFF) << 8 | (b & 0xFF)); 723 } 724 725 @Override 726 public void drawPatch(Bitmap bitmap, byte[] chunks, RectF dst, Paint paint) { 727 if (bitmap.isRecycled()) throw new IllegalArgumentException("Cannot draw recycled bitmaps"); 728 // Shaders are ignored when drawing patches 729 int modifier = paint != null ? setupColorFilter(paint) : MODIFIER_NONE; 730 try { 731 final int nativePaint = paint == null ? 0 : paint.mNativePaint; 732 nDrawPatch(mRenderer, bitmap.mNativeBitmap, bitmap.mBuffer, chunks, 733 dst.left, dst.top, dst.right, dst.bottom, nativePaint); 734 } finally { 735 if (modifier != MODIFIER_NONE) nResetModifiers(mRenderer, modifier); 736 } 737 } 738 739 private static native void nDrawPatch(int renderer, int bitmap, byte[] buffer, byte[] chunks, 740 float left, float top, float right, float bottom, int paint); 741 742 @Override 743 public void drawBitmap(Bitmap bitmap, float left, float top, Paint paint) { 744 if (bitmap.isRecycled()) throw new IllegalArgumentException("Cannot draw recycled bitmaps"); 745 // Shaders are ignored when drawing bitmaps 746 int modifiers = paint != null ? setupModifiers(bitmap, paint) : MODIFIER_NONE; 747 try { 748 final int nativePaint = paint == null ? 0 : paint.mNativePaint; 749 nDrawBitmap(mRenderer, bitmap.mNativeBitmap, bitmap.mBuffer, left, top, nativePaint); 750 } finally { 751 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 752 } 753 } 754 755 private static native void nDrawBitmap( 756 int renderer, int bitmap, byte[] buffer, float left, float top, int paint); 757 758 @Override 759 public void drawBitmap(Bitmap bitmap, Matrix matrix, Paint paint) { 760 if (bitmap.isRecycled()) throw new IllegalArgumentException("Cannot draw recycled bitmaps"); 761 // Shaders are ignored when drawing bitmaps 762 int modifiers = paint != null ? setupModifiers(bitmap, paint) : MODIFIER_NONE; 763 try { 764 final int nativePaint = paint == null ? 0 : paint.mNativePaint; 765 nDrawBitmap(mRenderer, bitmap.mNativeBitmap, bitmap.mBuffer, 766 matrix.native_instance, nativePaint); 767 } finally { 768 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 769 } 770 } 771 772 private static native void nDrawBitmap(int renderer, int bitmap, byte[] buff, 773 int matrix, int paint); 774 775 @Override 776 public void drawBitmap(Bitmap bitmap, Rect src, Rect dst, Paint paint) { 777 if (bitmap.isRecycled()) throw new IllegalArgumentException("Cannot draw recycled bitmaps"); 778 // Shaders are ignored when drawing bitmaps 779 int modifiers = paint != null ? setupModifiers(bitmap, paint) : MODIFIER_NONE; 780 try { 781 final int nativePaint = paint == null ? 0 : paint.mNativePaint; 782 783 int left, top, right, bottom; 784 if (src == null) { 785 left = top = 0; 786 right = bitmap.getWidth(); 787 bottom = bitmap.getHeight(); 788 } else { 789 left = src.left; 790 right = src.right; 791 top = src.top; 792 bottom = src.bottom; 793 } 794 795 nDrawBitmap(mRenderer, bitmap.mNativeBitmap, bitmap.mBuffer, left, top, right, bottom, 796 dst.left, dst.top, dst.right, dst.bottom, nativePaint); 797 } finally { 798 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 799 } 800 } 801 802 @Override 803 public void drawBitmap(Bitmap bitmap, Rect src, RectF dst, Paint paint) { 804 if (bitmap.isRecycled()) throw new IllegalArgumentException("Cannot draw recycled bitmaps"); 805 // Shaders are ignored when drawing bitmaps 806 int modifiers = paint != null ? setupModifiers(bitmap, paint) : MODIFIER_NONE; 807 try { 808 final int nativePaint = paint == null ? 0 : paint.mNativePaint; 809 810 float left, top, right, bottom; 811 if (src == null) { 812 left = top = 0; 813 right = bitmap.getWidth(); 814 bottom = bitmap.getHeight(); 815 } else { 816 left = src.left; 817 right = src.right; 818 top = src.top; 819 bottom = src.bottom; 820 } 821 822 nDrawBitmap(mRenderer, bitmap.mNativeBitmap, bitmap.mBuffer, left, top, right, bottom, 823 dst.left, dst.top, dst.right, dst.bottom, nativePaint); 824 } finally { 825 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 826 } 827 } 828 829 private static native void nDrawBitmap(int renderer, int bitmap, byte[] buffer, 830 float srcLeft, float srcTop, float srcRight, float srcBottom, 831 float left, float top, float right, float bottom, int paint); 832 833 @Override 834 public void drawBitmap(int[] colors, int offset, int stride, float x, float y, 835 int width, int height, boolean hasAlpha, Paint paint) { 836 if (width < 0) { 837 throw new IllegalArgumentException("width must be >= 0"); 838 } 839 840 if (height < 0) { 841 throw new IllegalArgumentException("height must be >= 0"); 842 } 843 844 if (Math.abs(stride) < width) { 845 throw new IllegalArgumentException("abs(stride) must be >= width"); 846 } 847 848 int lastScanline = offset + (height - 1) * stride; 849 int length = colors.length; 850 851 if (offset < 0 || (offset + width > length) || lastScanline < 0 || 852 (lastScanline + width > length)) { 853 throw new ArrayIndexOutOfBoundsException(); 854 } 855 856 // Shaders are ignored when drawing bitmaps 857 int modifier = paint != null ? setupColorFilter(paint) : MODIFIER_NONE; 858 try { 859 final int nativePaint = paint == null ? 0 : paint.mNativePaint; 860 nDrawBitmap(mRenderer, colors, offset, stride, x, y, 861 width, height, hasAlpha, nativePaint); 862 } finally { 863 if (modifier != MODIFIER_NONE) nResetModifiers(mRenderer, modifier); 864 } 865 } 866 867 private static native void nDrawBitmap(int renderer, int[] colors, int offset, int stride, 868 float x, float y, int width, int height, boolean hasAlpha, int nativePaint); 869 870 @Override 871 public void drawBitmap(int[] colors, int offset, int stride, int x, int y, 872 int width, int height, boolean hasAlpha, Paint paint) { 873 // Shaders are ignored when drawing bitmaps 874 drawBitmap(colors, offset, stride, (float) x, (float) y, width, height, hasAlpha, paint); 875 } 876 877 @Override 878 public void drawBitmapMesh(Bitmap bitmap, int meshWidth, int meshHeight, float[] verts, 879 int vertOffset, int[] colors, int colorOffset, Paint paint) { 880 if (bitmap.isRecycled()) throw new IllegalArgumentException("Cannot draw recycled bitmaps"); 881 if (meshWidth < 0 || meshHeight < 0 || vertOffset < 0 || colorOffset < 0) { 882 throw new ArrayIndexOutOfBoundsException(); 883 } 884 885 if (meshWidth == 0 || meshHeight == 0) { 886 return; 887 } 888 889 final int count = (meshWidth + 1) * (meshHeight + 1); 890 checkRange(verts.length, vertOffset, count * 2); 891 892 // TODO: Colors are ignored for now 893 colors = null; 894 colorOffset = 0; 895 896 int modifiers = paint != null ? setupModifiers(bitmap, paint) : MODIFIER_NONE; 897 try { 898 final int nativePaint = paint == null ? 0 : paint.mNativePaint; 899 nDrawBitmapMesh(mRenderer, bitmap.mNativeBitmap, bitmap.mBuffer, meshWidth, meshHeight, 900 verts, vertOffset, colors, colorOffset, nativePaint); 901 } finally { 902 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 903 } 904 } 905 906 private static native void nDrawBitmapMesh(int renderer, int bitmap, byte[] buffer, 907 int meshWidth, int meshHeight, float[] verts, int vertOffset, 908 int[] colors, int colorOffset, int paint); 909 910 @Override 911 public void drawCircle(float cx, float cy, float radius, Paint paint) { 912 int modifiers = setupModifiers(paint, MODIFIER_COLOR_FILTER | MODIFIER_SHADER); 913 try { 914 nDrawCircle(mRenderer, cx, cy, radius, paint.mNativePaint); 915 } finally { 916 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 917 } 918 } 919 920 private static native void nDrawCircle(int renderer, float cx, float cy, 921 float radius, int paint); 922 923 @Override 924 public void drawColor(int color) { 925 drawColor(color, PorterDuff.Mode.SRC_OVER); 926 } 927 928 @Override 929 public void drawColor(int color, PorterDuff.Mode mode) { 930 nDrawColor(mRenderer, color, mode.nativeInt); 931 } 932 933 private static native void nDrawColor(int renderer, int color, int mode); 934 935 @Override 936 public void drawLine(float startX, float startY, float stopX, float stopY, Paint paint) { 937 mLine[0] = startX; 938 mLine[1] = startY; 939 mLine[2] = stopX; 940 mLine[3] = stopY; 941 drawLines(mLine, 0, 4, paint); 942 } 943 944 @Override 945 public void drawLines(float[] pts, int offset, int count, Paint paint) { 946 if ((offset | count) < 0 || offset + count > pts.length) { 947 throw new IllegalArgumentException("The lines array must contain 4 elements per line."); 948 } 949 int modifiers = setupModifiers(paint, MODIFIER_COLOR_FILTER | MODIFIER_SHADER); 950 try { 951 nDrawLines(mRenderer, pts, offset, count, paint.mNativePaint); 952 } finally { 953 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 954 } 955 } 956 957 private static native void nDrawLines(int renderer, float[] points, 958 int offset, int count, int paint); 959 960 @Override 961 public void drawLines(float[] pts, Paint paint) { 962 drawLines(pts, 0, pts.length, paint); 963 } 964 965 @Override 966 public void drawOval(RectF oval, Paint paint) { 967 int modifiers = setupModifiers(paint, MODIFIER_COLOR_FILTER | MODIFIER_SHADER); 968 try { 969 nDrawOval(mRenderer, oval.left, oval.top, oval.right, oval.bottom, paint.mNativePaint); 970 } finally { 971 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 972 } 973 } 974 975 private static native void nDrawOval(int renderer, float left, float top, 976 float right, float bottom, int paint); 977 978 @Override 979 public void drawPaint(Paint paint) { 980 final Rect r = mClipBounds; 981 nGetClipBounds(mRenderer, r); 982 drawRect(r.left, r.top, r.right, r.bottom, paint); 983 } 984 985 @Override 986 public void drawPath(Path path, Paint paint) { 987 int modifiers = setupModifiers(paint, MODIFIER_COLOR_FILTER | MODIFIER_SHADER); 988 try { 989 if (path.isSimplePath) { 990 if (path.rects != null) { 991 nDrawRects(mRenderer, path.rects.mNativeRegion, paint.mNativePaint); 992 } 993 } else { 994 nDrawPath(mRenderer, path.mNativePath, paint.mNativePaint); 995 } 996 } finally { 997 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 998 } 999 } 1000 1001 private static native void nDrawPath(int renderer, int path, int paint); 1002 private static native void nDrawRects(int renderer, int region, int paint); 1003 1004 @Override 1005 public void drawPicture(Picture picture) { 1006 if (picture.createdFromStream) { 1007 return; 1008 } 1009 1010 picture.endRecording(); 1011 // TODO: Implement rendering 1012 } 1013 1014 @Override 1015 public void drawPicture(Picture picture, Rect dst) { 1016 if (picture.createdFromStream) { 1017 return; 1018 } 1019 1020 save(); 1021 translate(dst.left, dst.top); 1022 if (picture.getWidth() > 0 && picture.getHeight() > 0) { 1023 scale(dst.width() / picture.getWidth(), dst.height() / picture.getHeight()); 1024 } 1025 drawPicture(picture); 1026 restore(); 1027 } 1028 1029 @Override 1030 public void drawPicture(Picture picture, RectF dst) { 1031 if (picture.createdFromStream) { 1032 return; 1033 } 1034 1035 save(); 1036 translate(dst.left, dst.top); 1037 if (picture.getWidth() > 0 && picture.getHeight() > 0) { 1038 scale(dst.width() / picture.getWidth(), dst.height() / picture.getHeight()); 1039 } 1040 drawPicture(picture); 1041 restore(); 1042 } 1043 1044 @Override 1045 public void drawPoint(float x, float y, Paint paint) { 1046 mPoint[0] = x; 1047 mPoint[1] = y; 1048 drawPoints(mPoint, 0, 2, paint); 1049 } 1050 1051 @Override 1052 public void drawPoints(float[] pts, Paint paint) { 1053 drawPoints(pts, 0, pts.length, paint); 1054 } 1055 1056 @Override 1057 public void drawPoints(float[] pts, int offset, int count, Paint paint) { 1058 int modifiers = setupModifiers(paint, MODIFIER_COLOR_FILTER | MODIFIER_SHADER); 1059 try { 1060 nDrawPoints(mRenderer, pts, offset, count, paint.mNativePaint); 1061 } finally { 1062 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1063 } 1064 } 1065 1066 private static native void nDrawPoints(int renderer, float[] points, 1067 int offset, int count, int paint); 1068 1069 @SuppressWarnings("deprecation") 1070 @Override 1071 public void drawPosText(char[] text, int index, int count, float[] pos, Paint paint) { 1072 if (index < 0 || index + count > text.length || count * 2 > pos.length) { 1073 throw new IndexOutOfBoundsException(); 1074 } 1075 1076 int modifiers = setupModifiers(paint); 1077 try { 1078 nDrawPosText(mRenderer, text, index, count, pos, paint.mNativePaint); 1079 } finally { 1080 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1081 } 1082 } 1083 1084 private static native void nDrawPosText(int renderer, char[] text, int index, int count, 1085 float[] pos, int paint); 1086 1087 @SuppressWarnings("deprecation") 1088 @Override 1089 public void drawPosText(String text, float[] pos, Paint paint) { 1090 if (text.length() * 2 > pos.length) { 1091 throw new ArrayIndexOutOfBoundsException(); 1092 } 1093 1094 int modifiers = setupModifiers(paint); 1095 try { 1096 nDrawPosText(mRenderer, text, 0, text.length(), pos, paint.mNativePaint); 1097 } finally { 1098 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1099 } 1100 } 1101 1102 private static native void nDrawPosText(int renderer, String text, int start, int end, 1103 float[] pos, int paint); 1104 1105 @Override 1106 public void drawRect(float left, float top, float right, float bottom, Paint paint) { 1107 if (left == right || top == bottom) return; 1108 int modifiers = setupModifiers(paint, MODIFIER_COLOR_FILTER | MODIFIER_SHADER); 1109 try { 1110 nDrawRect(mRenderer, left, top, right, bottom, paint.mNativePaint); 1111 } finally { 1112 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1113 } 1114 } 1115 1116 private static native void nDrawRect(int renderer, float left, float top, 1117 float right, float bottom, int paint); 1118 1119 @Override 1120 public void drawRect(Rect r, Paint paint) { 1121 drawRect(r.left, r.top, r.right, r.bottom, paint); 1122 } 1123 1124 @Override 1125 public void drawRect(RectF r, Paint paint) { 1126 drawRect(r.left, r.top, r.right, r.bottom, paint); 1127 } 1128 1129 @Override 1130 public void drawRGB(int r, int g, int b) { 1131 drawColor(0xFF000000 | (r & 0xFF) << 16 | (g & 0xFF) << 8 | (b & 0xFF)); 1132 } 1133 1134 @Override 1135 public void drawRoundRect(RectF rect, float rx, float ry, Paint paint) { 1136 int modifiers = setupModifiers(paint, MODIFIER_COLOR_FILTER | MODIFIER_SHADER); 1137 try { 1138 nDrawRoundRect(mRenderer, rect.left, rect.top, rect.right, rect.bottom, 1139 rx, ry, paint.mNativePaint); 1140 } finally { 1141 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1142 } 1143 } 1144 1145 private static native void nDrawRoundRect(int renderer, float left, float top, 1146 float right, float bottom, float rx, float y, int paint); 1147 1148 @Override 1149 public void drawText(char[] text, int index, int count, float x, float y, Paint paint) { 1150 if ((index | count | (index + count) | (text.length - index - count)) < 0) { 1151 throw new IndexOutOfBoundsException(); 1152 } 1153 1154 int modifiers = setupModifiers(paint); 1155 try { 1156 nDrawText(mRenderer, text, index, count, x, y, paint.mBidiFlags, paint.mNativePaint); 1157 } finally { 1158 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1159 } 1160 } 1161 1162 private static native void nDrawText(int renderer, char[] text, int index, int count, 1163 float x, float y, int bidiFlags, int paint); 1164 1165 @Override 1166 public void drawText(CharSequence text, int start, int end, float x, float y, Paint paint) { 1167 int modifiers = setupModifiers(paint); 1168 try { 1169 if (text instanceof String || text instanceof SpannedString || 1170 text instanceof SpannableString) { 1171 nDrawText(mRenderer, text.toString(), start, end, x, y, paint.mBidiFlags, 1172 paint.mNativePaint); 1173 } else if (text instanceof GraphicsOperations) { 1174 ((GraphicsOperations) text).drawText(this, start, end, x, y, 1175 paint); 1176 } else { 1177 char[] buf = TemporaryBuffer.obtain(end - start); 1178 TextUtils.getChars(text, start, end, buf, 0); 1179 nDrawText(mRenderer, buf, 0, end - start, x, y, 1180 paint.mBidiFlags, paint.mNativePaint); 1181 TemporaryBuffer.recycle(buf); 1182 } 1183 } finally { 1184 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1185 } 1186 } 1187 1188 @Override 1189 public void drawText(String text, int start, int end, float x, float y, Paint paint) { 1190 if ((start | end | (end - start) | (text.length() - end)) < 0) { 1191 throw new IndexOutOfBoundsException(); 1192 } 1193 1194 int modifiers = setupModifiers(paint); 1195 try { 1196 nDrawText(mRenderer, text, start, end, x, y, paint.mBidiFlags, paint.mNativePaint); 1197 } finally { 1198 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1199 } 1200 } 1201 1202 private static native void nDrawText(int renderer, String text, int start, int end, 1203 float x, float y, int bidiFlags, int paint); 1204 1205 @Override 1206 public void drawText(String text, float x, float y, Paint paint) { 1207 int modifiers = setupModifiers(paint); 1208 try { 1209 nDrawText(mRenderer, text, 0, text.length(), x, y, paint.mBidiFlags, 1210 paint.mNativePaint); 1211 } finally { 1212 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1213 } 1214 } 1215 1216 @Override 1217 public void drawTextOnPath(char[] text, int index, int count, Path path, float hOffset, 1218 float vOffset, Paint paint) { 1219 if (index < 0 || index + count > text.length) { 1220 throw new ArrayIndexOutOfBoundsException(); 1221 } 1222 1223 int modifiers = setupModifiers(paint); 1224 try { 1225 nDrawTextOnPath(mRenderer, text, index, count, path.mNativePath, hOffset, vOffset, 1226 paint.mBidiFlags, paint.mNativePaint); 1227 } finally { 1228 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1229 } 1230 } 1231 1232 private static native void nDrawTextOnPath(int renderer, char[] text, int index, int count, 1233 int path, float hOffset, float vOffset, int bidiFlags, int nativePaint); 1234 1235 @Override 1236 public void drawTextOnPath(String text, Path path, float hOffset, float vOffset, Paint paint) { 1237 if (text.length() == 0) return; 1238 1239 int modifiers = setupModifiers(paint); 1240 try { 1241 nDrawTextOnPath(mRenderer, text, 0, text.length(), path.mNativePath, hOffset, vOffset, 1242 paint.mBidiFlags, paint.mNativePaint); 1243 } finally { 1244 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1245 } 1246 } 1247 1248 private static native void nDrawTextOnPath(int renderer, String text, int start, int end, 1249 int path, float hOffset, float vOffset, int bidiFlags, int nativePaint); 1250 1251 @Override 1252 public void drawTextRun(char[] text, int index, int count, int contextIndex, int contextCount, 1253 float x, float y, int dir, Paint paint) { 1254 if ((index | count | text.length - index - count) < 0) { 1255 throw new IndexOutOfBoundsException(); 1256 } 1257 if (dir != DIRECTION_LTR && dir != DIRECTION_RTL) { 1258 throw new IllegalArgumentException("Unknown direction: " + dir); 1259 } 1260 1261 int modifiers = setupModifiers(paint); 1262 try { 1263 nDrawTextRun(mRenderer, text, index, count, contextIndex, contextCount, x, y, dir, 1264 paint.mNativePaint); 1265 } finally { 1266 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1267 } 1268 } 1269 1270 private static native void nDrawTextRun(int renderer, char[] text, int index, int count, 1271 int contextIndex, int contextCount, float x, float y, int dir, int nativePaint); 1272 1273 @Override 1274 public void drawTextRun(CharSequence text, int start, int end, int contextStart, int contextEnd, 1275 float x, float y, int dir, Paint paint) { 1276 if ((start | end | end - start | text.length() - end) < 0) { 1277 throw new IndexOutOfBoundsException(); 1278 } 1279 1280 int modifiers = setupModifiers(paint); 1281 try { 1282 int flags = dir == 0 ? 0 : 1; 1283 if (text instanceof String || text instanceof SpannedString || 1284 text instanceof SpannableString) { 1285 nDrawTextRun(mRenderer, text.toString(), start, end, contextStart, 1286 contextEnd, x, y, flags, paint.mNativePaint); 1287 } else if (text instanceof GraphicsOperations) { 1288 ((GraphicsOperations) text).drawTextRun(this, start, end, 1289 contextStart, contextEnd, x, y, flags, paint); 1290 } else { 1291 int contextLen = contextEnd - contextStart; 1292 int len = end - start; 1293 char[] buf = TemporaryBuffer.obtain(contextLen); 1294 TextUtils.getChars(text, contextStart, contextEnd, buf, 0); 1295 nDrawTextRun(mRenderer, buf, start - contextStart, len, 0, contextLen, 1296 x, y, flags, paint.mNativePaint); 1297 TemporaryBuffer.recycle(buf); 1298 } 1299 } finally { 1300 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1301 } 1302 } 1303 1304 private static native void nDrawTextRun(int renderer, String text, int start, int end, 1305 int contextStart, int contextEnd, float x, float y, int flags, int nativePaint); 1306 1307 @Override 1308 public void drawVertices(VertexMode mode, int vertexCount, float[] verts, int vertOffset, 1309 float[] texs, int texOffset, int[] colors, int colorOffset, short[] indices, 1310 int indexOffset, int indexCount, Paint paint) { 1311 // TODO: Implement 1312 } 1313 1314 private int setupModifiers(Bitmap b, Paint paint) { 1315 if (b.getConfig() != Bitmap.Config.ALPHA_8) { 1316 final ColorFilter filter = paint.getColorFilter(); 1317 if (filter != null) { 1318 nSetupColorFilter(mRenderer, filter.nativeColorFilter); 1319 return MODIFIER_COLOR_FILTER; 1320 } 1321 1322 return MODIFIER_NONE; 1323 } else { 1324 return setupModifiers(paint); 1325 } 1326 } 1327 1328 private int setupModifiers(Paint paint) { 1329 int modifiers = MODIFIER_NONE; 1330 1331 if (paint.hasShadow) { 1332 nSetupShadow(mRenderer, paint.shadowRadius, paint.shadowDx, paint.shadowDy, 1333 paint.shadowColor); 1334 modifiers |= MODIFIER_SHADOW; 1335 } 1336 1337 final Shader shader = paint.getShader(); 1338 if (shader != null) { 1339 nSetupShader(mRenderer, shader.native_shader); 1340 modifiers |= MODIFIER_SHADER; 1341 } 1342 1343 final ColorFilter filter = paint.getColorFilter(); 1344 if (filter != null) { 1345 nSetupColorFilter(mRenderer, filter.nativeColorFilter); 1346 modifiers |= MODIFIER_COLOR_FILTER; 1347 } 1348 1349 return modifiers; 1350 } 1351 1352 private int setupModifiers(Paint paint, int flags) { 1353 int modifiers = MODIFIER_NONE; 1354 1355 if (paint.hasShadow && (flags & MODIFIER_SHADOW) != 0) { 1356 nSetupShadow(mRenderer, paint.shadowRadius, paint.shadowDx, paint.shadowDy, 1357 paint.shadowColor); 1358 modifiers |= MODIFIER_SHADOW; 1359 } 1360 1361 final Shader shader = paint.getShader(); 1362 if (shader != null && (flags & MODIFIER_SHADER) != 0) { 1363 nSetupShader(mRenderer, shader.native_shader); 1364 modifiers |= MODIFIER_SHADER; 1365 } 1366 1367 final ColorFilter filter = paint.getColorFilter(); 1368 if (filter != null && (flags & MODIFIER_COLOR_FILTER) != 0) { 1369 nSetupColorFilter(mRenderer, filter.nativeColorFilter); 1370 modifiers |= MODIFIER_COLOR_FILTER; 1371 } 1372 1373 return modifiers; 1374 } 1375 1376 private int setupColorFilter(Paint paint) { 1377 final ColorFilter filter = paint.getColorFilter(); 1378 if (filter != null) { 1379 nSetupColorFilter(mRenderer, filter.nativeColorFilter); 1380 return MODIFIER_COLOR_FILTER; 1381 } 1382 return MODIFIER_NONE; 1383 } 1384 1385 private static native void nSetupShader(int renderer, int shader); 1386 private static native void nSetupColorFilter(int renderer, int colorFilter); 1387 private static native void nSetupShadow(int renderer, float radius, 1388 float dx, float dy, int color); 1389 1390 private static native void nResetModifiers(int renderer, int modifiers); 1391} 1392