GLES20Canvas.java revision 8a47d8eaec26d0937aee94a057f561f246748339
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 @Override 148 public void setName(String name) { 149 super.setName(name); 150 nSetName(mRenderer, name); 151 } 152 153 private static native void nSetName(int renderer, String name); 154 155 /////////////////////////////////////////////////////////////////////////// 156 // Hardware layers 157 /////////////////////////////////////////////////////////////////////////// 158 159 @Override 160 void pushLayerUpdate(HardwareLayer layer) { 161 nPushLayerUpdate(mRenderer, ((GLES20RenderLayer) layer).mLayer); 162 } 163 164 @Override 165 void clearLayerUpdates() { 166 nClearLayerUpdates(mRenderer); 167 } 168 169 static native int nCreateTextureLayer(boolean opaque, int[] layerInfo); 170 static native int nCreateLayer(int width, int height, boolean isOpaque, int[] layerInfo); 171 static native boolean nResizeLayer(int layerId, int width, int height, int[] layerInfo); 172 static native void nSetOpaqueLayer(int layerId, boolean isOpaque); 173 static native void nSetLayerPaint(int layerId, int nativePaint); 174 static native void nSetLayerColorFilter(int layerId, int nativeColorFilter); 175 static native void nUpdateTextureLayer(int layerId, int width, int height, boolean opaque, 176 SurfaceTexture surface); 177 static native void nClearLayerTexture(int layerId); 178 static native void nSetTextureLayerTransform(int layerId, int matrix); 179 static native void nDestroyLayer(int layerId); 180 static native void nDestroyLayerDeferred(int layerId); 181 static native void nUpdateRenderLayer(int layerId, int renderer, int displayList, 182 int left, int top, int right, int bottom); 183 static native boolean nCopyLayer(int layerId, int bitmap); 184 185 private static native void nClearLayerUpdates(int renderer); 186 private static native void nPushLayerUpdate(int renderer, int layer); 187 188 /////////////////////////////////////////////////////////////////////////// 189 // Canvas management 190 /////////////////////////////////////////////////////////////////////////// 191 192 @Override 193 public boolean isOpaque() { 194 return mOpaque; 195 } 196 197 @Override 198 public int getWidth() { 199 return mWidth; 200 } 201 202 @Override 203 public int getHeight() { 204 return mHeight; 205 } 206 207 @Override 208 public int getMaximumBitmapWidth() { 209 return nGetMaximumTextureWidth(); 210 } 211 212 @Override 213 public int getMaximumBitmapHeight() { 214 return nGetMaximumTextureHeight(); 215 } 216 217 private static native int nGetMaximumTextureWidth(); 218 private static native int nGetMaximumTextureHeight(); 219 220 /** 221 * Returns the native OpenGLRenderer object. 222 */ 223 int getRenderer() { 224 return mRenderer; 225 } 226 227 /////////////////////////////////////////////////////////////////////////// 228 // Setup 229 /////////////////////////////////////////////////////////////////////////// 230 231 @Override 232 public void setViewport(int width, int height) { 233 mWidth = width; 234 mHeight = height; 235 236 nSetViewport(mRenderer, width, height); 237 } 238 239 private static native void nSetViewport(int renderer, int width, int height); 240 241 @Override 242 public int onPreDraw(Rect dirty) { 243 if (dirty != null) { 244 return nPrepareDirty(mRenderer, dirty.left, dirty.top, dirty.right, dirty.bottom, 245 mOpaque); 246 } else { 247 return nPrepare(mRenderer, mOpaque); 248 } 249 } 250 251 private static native int nPrepare(int renderer, boolean opaque); 252 private static native int nPrepareDirty(int renderer, int left, int top, int right, int bottom, 253 boolean opaque); 254 255 @Override 256 public void onPostDraw() { 257 nFinish(mRenderer); 258 } 259 260 private static native void nFinish(int renderer); 261 262 /** 263 * Returns the size of the stencil buffer required by the underlying 264 * implementation. 265 * 266 * @return The minimum number of bits the stencil buffer must. Always >= 0. 267 * 268 * @hide 269 */ 270 public static int getStencilSize() { 271 return nGetStencilSize(); 272 } 273 274 private static native int nGetStencilSize(); 275 276 /////////////////////////////////////////////////////////////////////////// 277 // Functor 278 /////////////////////////////////////////////////////////////////////////// 279 280 @Override 281 public int callDrawGLFunction(int drawGLFunction) { 282 return nCallDrawGLFunction(mRenderer, drawGLFunction); 283 } 284 285 private static native int nCallDrawGLFunction(int renderer, int drawGLFunction); 286 287 @Override 288 public int invokeFunctors(Rect dirty) { 289 return nInvokeFunctors(mRenderer, dirty); 290 } 291 292 private static native int nInvokeFunctors(int renderer, Rect dirty); 293 294 @Override 295 public void detachFunctor(int functor) { 296 nDetachFunctor(mRenderer, functor); 297 } 298 299 private static native void nDetachFunctor(int renderer, int functor); 300 301 @Override 302 public void attachFunctor(int functor) { 303 nAttachFunctor(mRenderer, functor); 304 } 305 306 private static native void nAttachFunctor(int renderer, int functor); 307 308 /////////////////////////////////////////////////////////////////////////// 309 // Memory 310 /////////////////////////////////////////////////////////////////////////// 311 312 /** 313 * Must match Caches::FlushMode values 314 * 315 * @see #flushCaches(int) 316 */ 317 public static final int FLUSH_CACHES_LAYERS = 0; 318 319 /** 320 * Must match Caches::FlushMode values 321 * 322 * @see #flushCaches(int) 323 */ 324 public static final int FLUSH_CACHES_MODERATE = 1; 325 326 /** 327 * Must match Caches::FlushMode values 328 * 329 * @see #flushCaches(int) 330 */ 331 public static final int FLUSH_CACHES_FULL = 2; 332 333 /** 334 * Flush caches to reclaim as much memory as possible. The amount of memory 335 * to reclaim is indicate by the level parameter. 336 * 337 * The level can be one of {@link #FLUSH_CACHES_MODERATE} or 338 * {@link #FLUSH_CACHES_FULL}. 339 * 340 * @param level Hint about the amount of memory to reclaim 341 * 342 * @hide 343 */ 344 public static void flushCaches(int level) { 345 nFlushCaches(level); 346 } 347 348 private static native void nFlushCaches(int level); 349 350 /** 351 * Release all resources associated with the underlying caches. This should 352 * only be called after a full flushCaches(). 353 * 354 * @hide 355 */ 356 public static void terminateCaches() { 357 nTerminateCaches(); 358 } 359 360 private static native void nTerminateCaches(); 361 362 /** 363 * @hide 364 */ 365 public static void initCaches() { 366 nInitCaches(); 367 } 368 369 private static native void nInitCaches(); 370 371 /////////////////////////////////////////////////////////////////////////// 372 // Display list 373 /////////////////////////////////////////////////////////////////////////// 374 375 int getDisplayList(int displayList) { 376 return nGetDisplayList(mRenderer, displayList); 377 } 378 379 private static native int nGetDisplayList(int renderer, int displayList); 380 381 @Override 382 void outputDisplayList(DisplayList displayList) { 383 nOutputDisplayList(mRenderer, ((GLES20DisplayList) displayList).getNativeDisplayList()); 384 } 385 386 private static native void nOutputDisplayList(int renderer, int displayList); 387 388 @Override 389 public int drawDisplayList(DisplayList displayList, Rect dirty, int flags) { 390 return nDrawDisplayList(mRenderer, ((GLES20DisplayList) displayList).getNativeDisplayList(), 391 dirty, flags); 392 } 393 394 private static native int nDrawDisplayList(int renderer, int displayList, 395 Rect dirty, int flags); 396 397 /////////////////////////////////////////////////////////////////////////// 398 // Hardware layer 399 /////////////////////////////////////////////////////////////////////////// 400 401 void drawHardwareLayer(HardwareLayer layer, float x, float y, Paint paint) { 402 final GLES20Layer glLayer = (GLES20Layer) layer; 403 final int nativePaint = paint == null ? 0 : paint.mNativePaint; 404 nDrawLayer(mRenderer, glLayer.getLayer(), x, y, nativePaint); 405 } 406 407 private static native void nDrawLayer(int renderer, int layer, float x, float y, int paint); 408 409 void interrupt() { 410 nInterrupt(mRenderer); 411 } 412 413 void resume() { 414 nResume(mRenderer); 415 } 416 417 private static native void nInterrupt(int renderer); 418 private static native void nResume(int renderer); 419 420 /////////////////////////////////////////////////////////////////////////// 421 // Clipping 422 /////////////////////////////////////////////////////////////////////////// 423 424 @Override 425 public boolean clipPath(Path path) { 426 return nClipPath(mRenderer, path.mNativePath, Region.Op.INTERSECT.nativeInt); 427 } 428 429 @Override 430 public boolean clipPath(Path path, Region.Op op) { 431 return nClipPath(mRenderer, path.mNativePath, op.nativeInt); 432 } 433 434 private static native boolean nClipPath(int renderer, int path, int op); 435 436 @Override 437 public boolean clipRect(float left, float top, float right, float bottom) { 438 return nClipRect(mRenderer, left, top, right, bottom, Region.Op.INTERSECT.nativeInt); 439 } 440 441 private static native boolean nClipRect(int renderer, float left, float top, 442 float right, float bottom, int op); 443 444 @Override 445 public boolean clipRect(float left, float top, float right, float bottom, Region.Op op) { 446 return nClipRect(mRenderer, left, top, right, bottom, op.nativeInt); 447 } 448 449 @Override 450 public boolean clipRect(int left, int top, int right, int bottom) { 451 return nClipRect(mRenderer, left, top, right, bottom, Region.Op.INTERSECT.nativeInt); 452 } 453 454 private static native boolean nClipRect(int renderer, int left, int top, 455 int right, int bottom, int op); 456 457 @Override 458 public boolean clipRect(Rect rect) { 459 return nClipRect(mRenderer, rect.left, rect.top, rect.right, rect.bottom, 460 Region.Op.INTERSECT.nativeInt); 461 } 462 463 @Override 464 public boolean clipRect(Rect rect, Region.Op op) { 465 return nClipRect(mRenderer, rect.left, rect.top, rect.right, rect.bottom, op.nativeInt); 466 } 467 468 @Override 469 public boolean clipRect(RectF rect) { 470 return nClipRect(mRenderer, rect.left, rect.top, rect.right, rect.bottom, 471 Region.Op.INTERSECT.nativeInt); 472 } 473 474 @Override 475 public boolean clipRect(RectF rect, Region.Op op) { 476 return nClipRect(mRenderer, rect.left, rect.top, rect.right, rect.bottom, op.nativeInt); 477 } 478 479 @Override 480 public boolean clipRegion(Region region) { 481 return nClipRegion(mRenderer, region.mNativeRegion, Region.Op.INTERSECT.nativeInt); 482 } 483 484 @Override 485 public boolean clipRegion(Region region, Region.Op op) { 486 return nClipRegion(mRenderer, region.mNativeRegion, op.nativeInt); 487 } 488 489 private static native boolean nClipRegion(int renderer, int region, int op); 490 491 @Override 492 public boolean getClipBounds(Rect bounds) { 493 return nGetClipBounds(mRenderer, bounds); 494 } 495 496 private static native boolean nGetClipBounds(int renderer, Rect bounds); 497 498 @Override 499 public boolean quickReject(float left, float top, float right, float bottom, EdgeType type) { 500 return nQuickReject(mRenderer, left, top, right, bottom, type.nativeInt); 501 } 502 503 private static native boolean nQuickReject(int renderer, float left, float top, 504 float right, float bottom, int edge); 505 506 @Override 507 public boolean quickReject(Path path, EdgeType type) { 508 path.computeBounds(mPathBounds, true); 509 return nQuickReject(mRenderer, mPathBounds.left, mPathBounds.top, 510 mPathBounds.right, mPathBounds.bottom, type.nativeInt); 511 } 512 513 @Override 514 public boolean quickReject(RectF rect, EdgeType type) { 515 return nQuickReject(mRenderer, rect.left, rect.top, rect.right, rect.bottom, type.nativeInt); 516 } 517 518 /////////////////////////////////////////////////////////////////////////// 519 // Transformations 520 /////////////////////////////////////////////////////////////////////////// 521 522 @Override 523 public void translate(float dx, float dy) { 524 if (dx != 0.0f || dy != 0.0f) nTranslate(mRenderer, dx, dy); 525 } 526 527 private static native void nTranslate(int renderer, float dx, float dy); 528 529 @Override 530 public void skew(float sx, float sy) { 531 nSkew(mRenderer, sx, sy); 532 } 533 534 private static native void nSkew(int renderer, float sx, float sy); 535 536 @Override 537 public void rotate(float degrees) { 538 nRotate(mRenderer, degrees); 539 } 540 541 private static native void nRotate(int renderer, float degrees); 542 543 @Override 544 public void scale(float sx, float sy) { 545 nScale(mRenderer, sx, sy); 546 } 547 548 private static native void nScale(int renderer, float sx, float sy); 549 550 @Override 551 public void setMatrix(Matrix matrix) { 552 nSetMatrix(mRenderer, matrix == null ? 0 : matrix.native_instance); 553 } 554 555 private static native void nSetMatrix(int renderer, int matrix); 556 557 @SuppressWarnings("deprecation") 558 @Override 559 public void getMatrix(Matrix matrix) { 560 nGetMatrix(mRenderer, matrix.native_instance); 561 } 562 563 private static native void nGetMatrix(int renderer, int matrix); 564 565 @Override 566 public void concat(Matrix matrix) { 567 nConcatMatrix(mRenderer, matrix.native_instance); 568 } 569 570 private static native void nConcatMatrix(int renderer, int matrix); 571 572 /////////////////////////////////////////////////////////////////////////// 573 // State management 574 /////////////////////////////////////////////////////////////////////////// 575 576 @Override 577 public int save() { 578 return nSave(mRenderer, Canvas.CLIP_SAVE_FLAG | Canvas.MATRIX_SAVE_FLAG); 579 } 580 581 @Override 582 public int save(int saveFlags) { 583 return nSave(mRenderer, saveFlags); 584 } 585 586 private static native int nSave(int renderer, int flags); 587 588 @Override 589 public int saveLayer(RectF bounds, Paint paint, int saveFlags) { 590 if (bounds != null) { 591 return saveLayer(bounds.left, bounds.top, bounds.right, bounds.bottom, paint, saveFlags); 592 } 593 594 int count; 595 int modifier = paint != null ? setupColorFilter(paint) : MODIFIER_NONE; 596 try { 597 final int nativePaint = paint == null ? 0 : paint.mNativePaint; 598 count = nSaveLayer(mRenderer, nativePaint, saveFlags); 599 } finally { 600 if (modifier != MODIFIER_NONE) nResetModifiers(mRenderer, modifier); 601 } 602 return count; 603 } 604 605 private static native int nSaveLayer(int renderer, int paint, int saveFlags); 606 607 @Override 608 public int saveLayer(float left, float top, float right, float bottom, Paint paint, 609 int saveFlags) { 610 if (left < right && top < bottom) { 611 int count; 612 int modifier = paint != null ? setupColorFilter(paint) : MODIFIER_NONE; 613 try { 614 final int nativePaint = paint == null ? 0 : paint.mNativePaint; 615 count = nSaveLayer(mRenderer, left, top, right, bottom, nativePaint, saveFlags); 616 } finally { 617 if (modifier != MODIFIER_NONE) nResetModifiers(mRenderer, modifier); 618 } 619 return count; 620 } 621 return save(saveFlags); 622 } 623 624 private static native int nSaveLayer(int renderer, float left, float top, 625 float right, float bottom, int paint, int saveFlags); 626 627 @Override 628 public int saveLayerAlpha(RectF bounds, int alpha, int saveFlags) { 629 if (bounds != null) { 630 return saveLayerAlpha(bounds.left, bounds.top, bounds.right, bounds.bottom, 631 alpha, saveFlags); 632 } 633 return nSaveLayerAlpha(mRenderer, alpha, saveFlags); 634 } 635 636 private static native int nSaveLayerAlpha(int renderer, int alpha, int saveFlags); 637 638 @Override 639 public int saveLayerAlpha(float left, float top, float right, float bottom, int alpha, 640 int saveFlags) { 641 if (left < right && top < bottom) { 642 return nSaveLayerAlpha(mRenderer, left, top, right, bottom, alpha, saveFlags); 643 } 644 return save(saveFlags); 645 } 646 647 private static native int nSaveLayerAlpha(int renderer, float left, float top, float right, 648 float bottom, int alpha, int saveFlags); 649 650 @Override 651 public void restore() { 652 nRestore(mRenderer); 653 } 654 655 private static native void nRestore(int renderer); 656 657 @Override 658 public void restoreToCount(int saveCount) { 659 nRestoreToCount(mRenderer, saveCount); 660 } 661 662 private static native void nRestoreToCount(int renderer, int saveCount); 663 664 @Override 665 public int getSaveCount() { 666 return nGetSaveCount(mRenderer); 667 } 668 669 private static native int nGetSaveCount(int renderer); 670 671 /////////////////////////////////////////////////////////////////////////// 672 // Filtering 673 /////////////////////////////////////////////////////////////////////////// 674 675 @Override 676 public void setDrawFilter(DrawFilter filter) { 677 mFilter = filter; 678 if (filter == null) { 679 nResetPaintFilter(mRenderer); 680 } else if (filter instanceof PaintFlagsDrawFilter) { 681 PaintFlagsDrawFilter flagsFilter = (PaintFlagsDrawFilter) filter; 682 nSetupPaintFilter(mRenderer, flagsFilter.clearBits, flagsFilter.setBits); 683 } 684 } 685 686 private static native void nResetPaintFilter(int renderer); 687 private static native void nSetupPaintFilter(int renderer, int clearBits, int setBits); 688 689 @Override 690 public DrawFilter getDrawFilter() { 691 return mFilter; 692 } 693 694 /////////////////////////////////////////////////////////////////////////// 695 // Drawing 696 /////////////////////////////////////////////////////////////////////////// 697 698 @Override 699 public void drawArc(RectF oval, float startAngle, float sweepAngle, boolean useCenter, 700 Paint paint) { 701 int modifiers = setupModifiers(paint, MODIFIER_COLOR_FILTER | MODIFIER_SHADER); 702 try { 703 nDrawArc(mRenderer, oval.left, oval.top, oval.right, oval.bottom, 704 startAngle, sweepAngle, useCenter, paint.mNativePaint); 705 } finally { 706 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 707 } 708 } 709 710 private static native void nDrawArc(int renderer, float left, float top, 711 float right, float bottom, float startAngle, float sweepAngle, 712 boolean useCenter, int paint); 713 714 @Override 715 public void drawARGB(int a, int r, int g, int b) { 716 drawColor((a & 0xFF) << 24 | (r & 0xFF) << 16 | (g & 0xFF) << 8 | (b & 0xFF)); 717 } 718 719 @Override 720 public void drawPatch(Bitmap bitmap, byte[] chunks, RectF dst, Paint paint) { 721 if (bitmap.isRecycled()) throw new IllegalArgumentException("Cannot draw recycled bitmaps"); 722 // Shaders are ignored when drawing patches 723 int modifier = paint != null ? setupColorFilter(paint) : MODIFIER_NONE; 724 try { 725 final int nativePaint = paint == null ? 0 : paint.mNativePaint; 726 nDrawPatch(mRenderer, bitmap.mNativeBitmap, bitmap.mBuffer, chunks, 727 dst.left, dst.top, dst.right, dst.bottom, nativePaint); 728 } finally { 729 if (modifier != MODIFIER_NONE) nResetModifiers(mRenderer, modifier); 730 } 731 } 732 733 private static native void nDrawPatch(int renderer, int bitmap, byte[] buffer, byte[] chunks, 734 float left, float top, float right, float bottom, int paint); 735 736 @Override 737 public void drawBitmap(Bitmap bitmap, float left, float top, Paint paint) { 738 if (bitmap.isRecycled()) throw new IllegalArgumentException("Cannot draw recycled bitmaps"); 739 // Shaders are ignored when drawing bitmaps 740 int modifiers = paint != null ? setupModifiers(bitmap, paint) : MODIFIER_NONE; 741 try { 742 final int nativePaint = paint == null ? 0 : paint.mNativePaint; 743 nDrawBitmap(mRenderer, bitmap.mNativeBitmap, bitmap.mBuffer, left, top, nativePaint); 744 } finally { 745 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 746 } 747 } 748 749 private static native void nDrawBitmap( 750 int renderer, int bitmap, byte[] buffer, float left, float top, int paint); 751 752 @Override 753 public void drawBitmap(Bitmap bitmap, Matrix matrix, Paint paint) { 754 if (bitmap.isRecycled()) throw new IllegalArgumentException("Cannot draw recycled bitmaps"); 755 // Shaders are ignored when drawing bitmaps 756 int modifiers = paint != null ? setupModifiers(bitmap, paint) : MODIFIER_NONE; 757 try { 758 final int nativePaint = paint == null ? 0 : paint.mNativePaint; 759 nDrawBitmap(mRenderer, bitmap.mNativeBitmap, bitmap.mBuffer, 760 matrix.native_instance, nativePaint); 761 } finally { 762 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 763 } 764 } 765 766 private static native void nDrawBitmap(int renderer, int bitmap, byte[] buff, 767 int matrix, int paint); 768 769 @Override 770 public void drawBitmap(Bitmap bitmap, Rect src, Rect dst, Paint paint) { 771 if (bitmap.isRecycled()) throw new IllegalArgumentException("Cannot draw recycled bitmaps"); 772 // Shaders are ignored when drawing bitmaps 773 int modifiers = paint != null ? setupModifiers(bitmap, paint) : MODIFIER_NONE; 774 try { 775 final int nativePaint = paint == null ? 0 : paint.mNativePaint; 776 777 int left, top, right, bottom; 778 if (src == null) { 779 left = top = 0; 780 right = bitmap.getWidth(); 781 bottom = bitmap.getHeight(); 782 } else { 783 left = src.left; 784 right = src.right; 785 top = src.top; 786 bottom = src.bottom; 787 } 788 789 nDrawBitmap(mRenderer, bitmap.mNativeBitmap, bitmap.mBuffer, left, top, right, bottom, 790 dst.left, dst.top, dst.right, dst.bottom, nativePaint); 791 } finally { 792 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 793 } 794 } 795 796 @Override 797 public void drawBitmap(Bitmap bitmap, Rect src, RectF dst, Paint paint) { 798 if (bitmap.isRecycled()) throw new IllegalArgumentException("Cannot draw recycled bitmaps"); 799 // Shaders are ignored when drawing bitmaps 800 int modifiers = paint != null ? setupModifiers(bitmap, paint) : MODIFIER_NONE; 801 try { 802 final int nativePaint = paint == null ? 0 : paint.mNativePaint; 803 804 float left, top, right, bottom; 805 if (src == null) { 806 left = top = 0; 807 right = bitmap.getWidth(); 808 bottom = bitmap.getHeight(); 809 } else { 810 left = src.left; 811 right = src.right; 812 top = src.top; 813 bottom = src.bottom; 814 } 815 816 nDrawBitmap(mRenderer, bitmap.mNativeBitmap, bitmap.mBuffer, left, top, right, bottom, 817 dst.left, dst.top, dst.right, dst.bottom, nativePaint); 818 } finally { 819 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 820 } 821 } 822 823 private static native void nDrawBitmap(int renderer, int bitmap, byte[] buffer, 824 float srcLeft, float srcTop, float srcRight, float srcBottom, 825 float left, float top, float right, float bottom, int paint); 826 827 @Override 828 public void drawBitmap(int[] colors, int offset, int stride, float x, float y, 829 int width, int height, boolean hasAlpha, Paint paint) { 830 if (width < 0) { 831 throw new IllegalArgumentException("width must be >= 0"); 832 } 833 834 if (height < 0) { 835 throw new IllegalArgumentException("height must be >= 0"); 836 } 837 838 if (Math.abs(stride) < width) { 839 throw new IllegalArgumentException("abs(stride) must be >= width"); 840 } 841 842 int lastScanline = offset + (height - 1) * stride; 843 int length = colors.length; 844 845 if (offset < 0 || (offset + width > length) || lastScanline < 0 || 846 (lastScanline + width > length)) { 847 throw new ArrayIndexOutOfBoundsException(); 848 } 849 850 // Shaders are ignored when drawing bitmaps 851 int modifier = paint != null ? setupColorFilter(paint) : MODIFIER_NONE; 852 try { 853 final int nativePaint = paint == null ? 0 : paint.mNativePaint; 854 nDrawBitmap(mRenderer, colors, offset, stride, x, y, 855 width, height, hasAlpha, nativePaint); 856 } finally { 857 if (modifier != MODIFIER_NONE) nResetModifiers(mRenderer, modifier); 858 } 859 } 860 861 private static native void nDrawBitmap(int renderer, int[] colors, int offset, int stride, 862 float x, float y, int width, int height, boolean hasAlpha, int nativePaint); 863 864 @Override 865 public void drawBitmap(int[] colors, int offset, int stride, int x, int y, 866 int width, int height, boolean hasAlpha, Paint paint) { 867 // Shaders are ignored when drawing bitmaps 868 drawBitmap(colors, offset, stride, (float) x, (float) y, width, height, hasAlpha, paint); 869 } 870 871 @Override 872 public void drawBitmapMesh(Bitmap bitmap, int meshWidth, int meshHeight, float[] verts, 873 int vertOffset, int[] colors, int colorOffset, Paint paint) { 874 if (bitmap.isRecycled()) throw new IllegalArgumentException("Cannot draw recycled bitmaps"); 875 if (meshWidth < 0 || meshHeight < 0 || vertOffset < 0 || colorOffset < 0) { 876 throw new ArrayIndexOutOfBoundsException(); 877 } 878 879 if (meshWidth == 0 || meshHeight == 0) { 880 return; 881 } 882 883 final int count = (meshWidth + 1) * (meshHeight + 1); 884 checkRange(verts.length, vertOffset, count * 2); 885 886 if (colors != null) { 887 checkRange(colors.length, colorOffset, count); 888 } 889 890 int modifiers = paint != null ? setupModifiers(bitmap, paint) : MODIFIER_NONE; 891 try { 892 final int nativePaint = paint == null ? 0 : paint.mNativePaint; 893 nDrawBitmapMesh(mRenderer, bitmap.mNativeBitmap, bitmap.mBuffer, meshWidth, meshHeight, 894 verts, vertOffset, colors, colorOffset, nativePaint); 895 } finally { 896 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 897 } 898 } 899 900 private static native void nDrawBitmapMesh(int renderer, int bitmap, byte[] buffer, 901 int meshWidth, int meshHeight, float[] verts, int vertOffset, 902 int[] colors, int colorOffset, int paint); 903 904 @Override 905 public void drawCircle(float cx, float cy, float radius, Paint paint) { 906 int modifiers = setupModifiers(paint, MODIFIER_COLOR_FILTER | MODIFIER_SHADER); 907 try { 908 nDrawCircle(mRenderer, cx, cy, radius, paint.mNativePaint); 909 } finally { 910 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 911 } 912 } 913 914 private static native void nDrawCircle(int renderer, float cx, float cy, 915 float radius, int paint); 916 917 @Override 918 public void drawColor(int color) { 919 drawColor(color, PorterDuff.Mode.SRC_OVER); 920 } 921 922 @Override 923 public void drawColor(int color, PorterDuff.Mode mode) { 924 nDrawColor(mRenderer, color, mode.nativeInt); 925 } 926 927 private static native void nDrawColor(int renderer, int color, int mode); 928 929 @Override 930 public void drawLine(float startX, float startY, float stopX, float stopY, Paint paint) { 931 mLine[0] = startX; 932 mLine[1] = startY; 933 mLine[2] = stopX; 934 mLine[3] = stopY; 935 drawLines(mLine, 0, 4, paint); 936 } 937 938 @Override 939 public void drawLines(float[] pts, int offset, int count, Paint paint) { 940 if (count < 4) return; 941 942 if ((offset | count) < 0 || offset + count > pts.length) { 943 throw new IllegalArgumentException("The lines array must contain 4 elements per line."); 944 } 945 int modifiers = setupModifiers(paint, MODIFIER_COLOR_FILTER | MODIFIER_SHADER); 946 try { 947 nDrawLines(mRenderer, pts, offset, count, paint.mNativePaint); 948 } finally { 949 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 950 } 951 } 952 953 private static native void nDrawLines(int renderer, float[] points, 954 int offset, int count, int paint); 955 956 @Override 957 public void drawLines(float[] pts, Paint paint) { 958 drawLines(pts, 0, pts.length, paint); 959 } 960 961 @Override 962 public void drawOval(RectF oval, Paint paint) { 963 int modifiers = setupModifiers(paint, MODIFIER_COLOR_FILTER | MODIFIER_SHADER); 964 try { 965 nDrawOval(mRenderer, oval.left, oval.top, oval.right, oval.bottom, paint.mNativePaint); 966 } finally { 967 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 968 } 969 } 970 971 private static native void nDrawOval(int renderer, float left, float top, 972 float right, float bottom, int paint); 973 974 @Override 975 public void drawPaint(Paint paint) { 976 final Rect r = mClipBounds; 977 nGetClipBounds(mRenderer, r); 978 drawRect(r.left, r.top, r.right, r.bottom, paint); 979 } 980 981 @Override 982 public void drawPath(Path path, Paint paint) { 983 int modifiers = setupModifiers(paint, MODIFIER_COLOR_FILTER | MODIFIER_SHADER); 984 try { 985 if (path.isSimplePath) { 986 if (path.rects != null) { 987 nDrawRects(mRenderer, path.rects.mNativeRegion, paint.mNativePaint); 988 } 989 } else { 990 nDrawPath(mRenderer, path.mNativePath, paint.mNativePaint); 991 } 992 } finally { 993 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 994 } 995 } 996 997 private static native void nDrawPath(int renderer, int path, int paint); 998 private static native void nDrawRects(int renderer, int region, int paint); 999 1000 void drawRects(float[] rects, int count, Paint paint) { 1001 int modifiers = setupModifiers(paint, MODIFIER_COLOR_FILTER | MODIFIER_SHADER); 1002 try { 1003 nDrawRects(mRenderer, rects, count, paint.mNativePaint); 1004 } finally { 1005 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1006 } 1007 } 1008 1009 private static native void nDrawRects(int renderer, float[] rects, int count, int paint); 1010 1011 @Override 1012 public void drawPicture(Picture picture) { 1013 if (picture.createdFromStream) { 1014 return; 1015 } 1016 1017 picture.endRecording(); 1018 // TODO: Implement rendering 1019 } 1020 1021 @Override 1022 public void drawPicture(Picture picture, Rect dst) { 1023 if (picture.createdFromStream) { 1024 return; 1025 } 1026 1027 save(); 1028 translate(dst.left, dst.top); 1029 if (picture.getWidth() > 0 && picture.getHeight() > 0) { 1030 scale(dst.width() / picture.getWidth(), dst.height() / picture.getHeight()); 1031 } 1032 drawPicture(picture); 1033 restore(); 1034 } 1035 1036 @Override 1037 public void drawPicture(Picture picture, RectF dst) { 1038 if (picture.createdFromStream) { 1039 return; 1040 } 1041 1042 save(); 1043 translate(dst.left, dst.top); 1044 if (picture.getWidth() > 0 && picture.getHeight() > 0) { 1045 scale(dst.width() / picture.getWidth(), dst.height() / picture.getHeight()); 1046 } 1047 drawPicture(picture); 1048 restore(); 1049 } 1050 1051 @Override 1052 public void drawPoint(float x, float y, Paint paint) { 1053 mPoint[0] = x; 1054 mPoint[1] = y; 1055 drawPoints(mPoint, 0, 2, paint); 1056 } 1057 1058 @Override 1059 public void drawPoints(float[] pts, Paint paint) { 1060 drawPoints(pts, 0, pts.length, paint); 1061 } 1062 1063 @Override 1064 public void drawPoints(float[] pts, int offset, int count, Paint paint) { 1065 if (count < 2) return; 1066 1067 int modifiers = setupModifiers(paint, MODIFIER_COLOR_FILTER | MODIFIER_SHADER); 1068 try { 1069 nDrawPoints(mRenderer, pts, offset, count, paint.mNativePaint); 1070 } finally { 1071 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1072 } 1073 } 1074 1075 private static native void nDrawPoints(int renderer, float[] points, 1076 int offset, int count, int paint); 1077 1078 @SuppressWarnings("deprecation") 1079 @Override 1080 public void drawPosText(char[] text, int index, int count, float[] pos, Paint paint) { 1081 if (index < 0 || index + count > text.length || count * 2 > pos.length) { 1082 throw new IndexOutOfBoundsException(); 1083 } 1084 1085 int modifiers = setupModifiers(paint); 1086 try { 1087 nDrawPosText(mRenderer, text, index, count, pos, paint.mNativePaint); 1088 } finally { 1089 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1090 } 1091 } 1092 1093 private static native void nDrawPosText(int renderer, char[] text, int index, int count, 1094 float[] pos, int paint); 1095 1096 @SuppressWarnings("deprecation") 1097 @Override 1098 public void drawPosText(String text, float[] pos, Paint paint) { 1099 if (text.length() * 2 > pos.length) { 1100 throw new ArrayIndexOutOfBoundsException(); 1101 } 1102 1103 int modifiers = setupModifiers(paint); 1104 try { 1105 nDrawPosText(mRenderer, text, 0, text.length(), pos, paint.mNativePaint); 1106 } finally { 1107 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1108 } 1109 } 1110 1111 private static native void nDrawPosText(int renderer, String text, int start, int end, 1112 float[] pos, int paint); 1113 1114 @Override 1115 public void drawRect(float left, float top, float right, float bottom, Paint paint) { 1116 if (left == right || top == bottom) return; 1117 int modifiers = setupModifiers(paint, MODIFIER_COLOR_FILTER | MODIFIER_SHADER); 1118 try { 1119 nDrawRect(mRenderer, left, top, right, bottom, paint.mNativePaint); 1120 } finally { 1121 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1122 } 1123 } 1124 1125 private static native void nDrawRect(int renderer, float left, float top, 1126 float right, float bottom, int paint); 1127 1128 @Override 1129 public void drawRect(Rect r, Paint paint) { 1130 drawRect(r.left, r.top, r.right, r.bottom, paint); 1131 } 1132 1133 @Override 1134 public void drawRect(RectF r, Paint paint) { 1135 drawRect(r.left, r.top, r.right, r.bottom, paint); 1136 } 1137 1138 @Override 1139 public void drawRGB(int r, int g, int b) { 1140 drawColor(0xFF000000 | (r & 0xFF) << 16 | (g & 0xFF) << 8 | (b & 0xFF)); 1141 } 1142 1143 @Override 1144 public void drawRoundRect(RectF rect, float rx, float ry, Paint paint) { 1145 int modifiers = setupModifiers(paint, MODIFIER_COLOR_FILTER | MODIFIER_SHADER); 1146 try { 1147 nDrawRoundRect(mRenderer, rect.left, rect.top, rect.right, rect.bottom, 1148 rx, ry, paint.mNativePaint); 1149 } finally { 1150 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1151 } 1152 } 1153 1154 private static native void nDrawRoundRect(int renderer, float left, float top, 1155 float right, float bottom, float rx, float y, int paint); 1156 1157 @Override 1158 public void drawText(char[] text, int index, int count, float x, float y, Paint paint) { 1159 if ((index | count | (index + count) | (text.length - index - count)) < 0) { 1160 throw new IndexOutOfBoundsException(); 1161 } 1162 1163 int modifiers = setupModifiers(paint); 1164 try { 1165 nDrawText(mRenderer, text, index, count, x, y, paint.mNativePaint); 1166 } finally { 1167 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1168 } 1169 } 1170 1171 private static native void nDrawText(int renderer, char[] text, int index, int count, 1172 float x, float y, int paint); 1173 1174 @Override 1175 public void drawText(CharSequence text, int start, int end, float x, float y, Paint paint) { 1176 int modifiers = setupModifiers(paint); 1177 try { 1178 if (text instanceof String || text instanceof SpannedString || 1179 text instanceof SpannableString) { 1180 nDrawText(mRenderer, text.toString(), start, end, x, y, paint.mNativePaint); 1181 } else if (text instanceof GraphicsOperations) { 1182 ((GraphicsOperations) text).drawText(this, start, end, x, y, 1183 paint); 1184 } else { 1185 char[] buf = TemporaryBuffer.obtain(end - start); 1186 TextUtils.getChars(text, start, end, buf, 0); 1187 nDrawText(mRenderer, buf, 0, end - start, x, y, paint.mNativePaint); 1188 TemporaryBuffer.recycle(buf); 1189 } 1190 } finally { 1191 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1192 } 1193 } 1194 1195 @Override 1196 public void drawText(String text, int start, int end, float x, float y, Paint paint) { 1197 if ((start | end | (end - start) | (text.length() - end)) < 0) { 1198 throw new IndexOutOfBoundsException(); 1199 } 1200 1201 int modifiers = setupModifiers(paint); 1202 try { 1203 nDrawText(mRenderer, text, start, end, x, y, paint.mNativePaint); 1204 } finally { 1205 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1206 } 1207 } 1208 1209 private static native void nDrawText(int renderer, String text, int start, int end, 1210 float x, float y, int paint); 1211 1212 @Override 1213 public void drawText(String text, float x, float y, Paint paint) { 1214 int modifiers = setupModifiers(paint); 1215 try { 1216 nDrawText(mRenderer, text, 0, text.length(), x, y, paint.mNativePaint); 1217 } finally { 1218 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1219 } 1220 } 1221 1222 @Override 1223 public void drawTextOnPath(char[] text, int index, int count, Path path, float hOffset, 1224 float vOffset, Paint paint) { 1225 if (index < 0 || index + count > text.length) { 1226 throw new ArrayIndexOutOfBoundsException(); 1227 } 1228 1229 int modifiers = setupModifiers(paint); 1230 try { 1231 nDrawTextOnPath(mRenderer, text, index, count, path.mNativePath, hOffset, vOffset, 1232 paint.mNativePaint); 1233 } finally { 1234 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1235 } 1236 } 1237 1238 private static native void nDrawTextOnPath(int renderer, char[] text, int index, int count, 1239 int path, float hOffset, float vOffset, int nativePaint); 1240 1241 @Override 1242 public void drawTextOnPath(String text, Path path, float hOffset, float vOffset, Paint paint) { 1243 if (text.length() == 0) return; 1244 1245 int modifiers = setupModifiers(paint); 1246 try { 1247 nDrawTextOnPath(mRenderer, text, 0, text.length(), path.mNativePath, hOffset, vOffset, 1248 paint.mNativePaint); 1249 } finally { 1250 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1251 } 1252 } 1253 1254 private static native void nDrawTextOnPath(int renderer, String text, int start, int end, 1255 int path, float hOffset, float vOffset, int nativePaint); 1256 1257 @Override 1258 public void drawTextRun(char[] text, int index, int count, int contextIndex, int contextCount, 1259 float x, float y, Paint paint) { 1260 if ((index | count | text.length - index - count) < 0) { 1261 throw new IndexOutOfBoundsException(); 1262 } 1263 1264 int modifiers = setupModifiers(paint); 1265 try { 1266 nDrawTextRun(mRenderer, text, index, count, contextIndex, contextCount, x, y, 1267 paint.mNativePaint); 1268 } finally { 1269 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1270 } 1271 } 1272 1273 private static native void nDrawTextRun(int renderer, char[] text, int index, int count, 1274 int contextIndex, int contextCount, float x, float y, int nativePaint); 1275 1276 @Override 1277 public void drawTextRun(CharSequence text, int start, int end, int contextStart, int contextEnd, 1278 float x, float y, Paint paint) { 1279 if ((start | end | end - start | text.length() - end) < 0) { 1280 throw new IndexOutOfBoundsException(); 1281 } 1282 1283 int modifiers = setupModifiers(paint); 1284 try { 1285 if (text instanceof String || text instanceof SpannedString || 1286 text instanceof SpannableString) { 1287 nDrawTextRun(mRenderer, text.toString(), start, end, contextStart, 1288 contextEnd, x, y, paint.mNativePaint); 1289 } else if (text instanceof GraphicsOperations) { 1290 ((GraphicsOperations) text).drawTextRun(this, start, end, 1291 contextStart, contextEnd, x, y, paint); 1292 } else { 1293 int contextLen = contextEnd - contextStart; 1294 int len = end - start; 1295 char[] buf = TemporaryBuffer.obtain(contextLen); 1296 TextUtils.getChars(text, contextStart, contextEnd, buf, 0); 1297 nDrawTextRun(mRenderer, buf, start - contextStart, len, 0, contextLen, 1298 x, y, paint.mNativePaint); 1299 TemporaryBuffer.recycle(buf); 1300 } 1301 } finally { 1302 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1303 } 1304 } 1305 1306 private static native void nDrawTextRun(int renderer, String text, int start, int end, 1307 int contextStart, int contextEnd, float x, float y, int nativePaint); 1308 1309 @Override 1310 public void drawVertices(VertexMode mode, int vertexCount, float[] verts, int vertOffset, 1311 float[] texs, int texOffset, int[] colors, int colorOffset, short[] indices, 1312 int indexOffset, int indexCount, Paint paint) { 1313 // TODO: Implement 1314 } 1315 1316 private int setupModifiers(Bitmap b, Paint paint) { 1317 if (b.getConfig() != Bitmap.Config.ALPHA_8) { 1318 final ColorFilter filter = paint.getColorFilter(); 1319 if (filter != null) { 1320 nSetupColorFilter(mRenderer, filter.nativeColorFilter); 1321 return MODIFIER_COLOR_FILTER; 1322 } 1323 1324 return MODIFIER_NONE; 1325 } else { 1326 return setupModifiers(paint); 1327 } 1328 } 1329 1330 private int setupModifiers(Paint paint) { 1331 int modifiers = MODIFIER_NONE; 1332 1333 if (paint.hasShadow) { 1334 nSetupShadow(mRenderer, paint.shadowRadius, paint.shadowDx, paint.shadowDy, 1335 paint.shadowColor); 1336 modifiers |= MODIFIER_SHADOW; 1337 } 1338 1339 final Shader shader = paint.getShader(); 1340 if (shader != null) { 1341 nSetupShader(mRenderer, shader.native_shader); 1342 modifiers |= MODIFIER_SHADER; 1343 } 1344 1345 final ColorFilter filter = paint.getColorFilter(); 1346 if (filter != null) { 1347 nSetupColorFilter(mRenderer, filter.nativeColorFilter); 1348 modifiers |= MODIFIER_COLOR_FILTER; 1349 } 1350 1351 return modifiers; 1352 } 1353 1354 private int setupModifiers(Paint paint, int flags) { 1355 int modifiers = MODIFIER_NONE; 1356 1357 if (paint.hasShadow && (flags & MODIFIER_SHADOW) != 0) { 1358 nSetupShadow(mRenderer, paint.shadowRadius, paint.shadowDx, paint.shadowDy, 1359 paint.shadowColor); 1360 modifiers |= MODIFIER_SHADOW; 1361 } 1362 1363 final Shader shader = paint.getShader(); 1364 if (shader != null && (flags & MODIFIER_SHADER) != 0) { 1365 nSetupShader(mRenderer, shader.native_shader); 1366 modifiers |= MODIFIER_SHADER; 1367 } 1368 1369 final ColorFilter filter = paint.getColorFilter(); 1370 if (filter != null && (flags & MODIFIER_COLOR_FILTER) != 0) { 1371 nSetupColorFilter(mRenderer, filter.nativeColorFilter); 1372 modifiers |= MODIFIER_COLOR_FILTER; 1373 } 1374 1375 return modifiers; 1376 } 1377 1378 private int setupColorFilter(Paint paint) { 1379 final ColorFilter filter = paint.getColorFilter(); 1380 if (filter != null) { 1381 nSetupColorFilter(mRenderer, filter.nativeColorFilter); 1382 return MODIFIER_COLOR_FILTER; 1383 } 1384 return MODIFIER_NONE; 1385 } 1386 1387 private static native void nSetupShader(int renderer, int shader); 1388 private static native void nSetupColorFilter(int renderer, int colorFilter); 1389 private static native void nSetupShadow(int renderer, float radius, 1390 float dx, float dy, int color); 1391 1392 private static native void nResetModifiers(int renderer, int modifiers); 1393} 1394