GLES20Canvas.java revision 846f5f238fd96a14197022baad86eab8882fe3bc
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); 501 } 502 503 private static native boolean nQuickReject(int renderer, float left, float top, 504 float right, float bottom); 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); 511 } 512 513 @Override 514 public boolean quickReject(RectF rect, EdgeType type) { 515 return nQuickReject(mRenderer, rect.left, rect.top, rect.right, rect.bottom); 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 ((offset | count) < 0 || offset + count > pts.length) { 941 throw new IllegalArgumentException("The lines array must contain 4 elements per line."); 942 } 943 int modifiers = setupModifiers(paint, MODIFIER_COLOR_FILTER | MODIFIER_SHADER); 944 try { 945 nDrawLines(mRenderer, pts, offset, count, paint.mNativePaint); 946 } finally { 947 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 948 } 949 } 950 951 private static native void nDrawLines(int renderer, float[] points, 952 int offset, int count, int paint); 953 954 @Override 955 public void drawLines(float[] pts, Paint paint) { 956 drawLines(pts, 0, pts.length, paint); 957 } 958 959 @Override 960 public void drawOval(RectF oval, Paint paint) { 961 int modifiers = setupModifiers(paint, MODIFIER_COLOR_FILTER | MODIFIER_SHADER); 962 try { 963 nDrawOval(mRenderer, oval.left, oval.top, oval.right, oval.bottom, paint.mNativePaint); 964 } finally { 965 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 966 } 967 } 968 969 private static native void nDrawOval(int renderer, float left, float top, 970 float right, float bottom, int paint); 971 972 @Override 973 public void drawPaint(Paint paint) { 974 final Rect r = mClipBounds; 975 nGetClipBounds(mRenderer, r); 976 drawRect(r.left, r.top, r.right, r.bottom, paint); 977 } 978 979 @Override 980 public void drawPath(Path path, Paint paint) { 981 int modifiers = setupModifiers(paint, MODIFIER_COLOR_FILTER | MODIFIER_SHADER); 982 try { 983 if (path.isSimplePath) { 984 if (path.rects != null) { 985 nDrawRects(mRenderer, path.rects.mNativeRegion, paint.mNativePaint); 986 } 987 } else { 988 nDrawPath(mRenderer, path.mNativePath, paint.mNativePaint); 989 } 990 } finally { 991 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 992 } 993 } 994 995 private static native void nDrawPath(int renderer, int path, int paint); 996 private static native void nDrawRects(int renderer, int region, int paint); 997 998 void drawRects(float[] rects, int count, Paint paint) { 999 int modifiers = setupModifiers(paint, MODIFIER_COLOR_FILTER | MODIFIER_SHADER); 1000 try { 1001 nDrawRects(mRenderer, rects, count, paint.mNativePaint); 1002 } finally { 1003 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1004 } 1005 } 1006 1007 private static native void nDrawRects(int renderer, float[] rects, int count, int paint); 1008 1009 @Override 1010 public void drawPicture(Picture picture) { 1011 if (picture.createdFromStream) { 1012 return; 1013 } 1014 1015 picture.endRecording(); 1016 // TODO: Implement rendering 1017 } 1018 1019 @Override 1020 public void drawPicture(Picture picture, Rect dst) { 1021 if (picture.createdFromStream) { 1022 return; 1023 } 1024 1025 save(); 1026 translate(dst.left, dst.top); 1027 if (picture.getWidth() > 0 && picture.getHeight() > 0) { 1028 scale(dst.width() / picture.getWidth(), dst.height() / picture.getHeight()); 1029 } 1030 drawPicture(picture); 1031 restore(); 1032 } 1033 1034 @Override 1035 public void drawPicture(Picture picture, RectF dst) { 1036 if (picture.createdFromStream) { 1037 return; 1038 } 1039 1040 save(); 1041 translate(dst.left, dst.top); 1042 if (picture.getWidth() > 0 && picture.getHeight() > 0) { 1043 scale(dst.width() / picture.getWidth(), dst.height() / picture.getHeight()); 1044 } 1045 drawPicture(picture); 1046 restore(); 1047 } 1048 1049 @Override 1050 public void drawPoint(float x, float y, Paint paint) { 1051 mPoint[0] = x; 1052 mPoint[1] = y; 1053 drawPoints(mPoint, 0, 2, paint); 1054 } 1055 1056 @Override 1057 public void drawPoints(float[] pts, Paint paint) { 1058 drawPoints(pts, 0, pts.length, paint); 1059 } 1060 1061 @Override 1062 public void drawPoints(float[] pts, int offset, int count, Paint paint) { 1063 int modifiers = setupModifiers(paint, MODIFIER_COLOR_FILTER | MODIFIER_SHADER); 1064 try { 1065 nDrawPoints(mRenderer, pts, offset, count, paint.mNativePaint); 1066 } finally { 1067 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1068 } 1069 } 1070 1071 private static native void nDrawPoints(int renderer, float[] points, 1072 int offset, int count, int paint); 1073 1074 @SuppressWarnings("deprecation") 1075 @Override 1076 public void drawPosText(char[] text, int index, int count, float[] pos, Paint paint) { 1077 if (index < 0 || index + count > text.length || count * 2 > pos.length) { 1078 throw new IndexOutOfBoundsException(); 1079 } 1080 1081 int modifiers = setupModifiers(paint); 1082 try { 1083 nDrawPosText(mRenderer, text, index, count, pos, paint.mNativePaint); 1084 } finally { 1085 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1086 } 1087 } 1088 1089 private static native void nDrawPosText(int renderer, char[] text, int index, int count, 1090 float[] pos, int paint); 1091 1092 @SuppressWarnings("deprecation") 1093 @Override 1094 public void drawPosText(String text, float[] pos, Paint paint) { 1095 if (text.length() * 2 > pos.length) { 1096 throw new ArrayIndexOutOfBoundsException(); 1097 } 1098 1099 int modifiers = setupModifiers(paint); 1100 try { 1101 nDrawPosText(mRenderer, text, 0, text.length(), pos, paint.mNativePaint); 1102 } finally { 1103 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1104 } 1105 } 1106 1107 private static native void nDrawPosText(int renderer, String text, int start, int end, 1108 float[] pos, int paint); 1109 1110 @Override 1111 public void drawRect(float left, float top, float right, float bottom, Paint paint) { 1112 if (left == right || top == bottom) return; 1113 int modifiers = setupModifiers(paint, MODIFIER_COLOR_FILTER | MODIFIER_SHADER); 1114 try { 1115 nDrawRect(mRenderer, left, top, right, bottom, paint.mNativePaint); 1116 } finally { 1117 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1118 } 1119 } 1120 1121 private static native void nDrawRect(int renderer, float left, float top, 1122 float right, float bottom, int paint); 1123 1124 @Override 1125 public void drawRect(Rect r, Paint paint) { 1126 drawRect(r.left, r.top, r.right, r.bottom, paint); 1127 } 1128 1129 @Override 1130 public void drawRect(RectF r, Paint paint) { 1131 drawRect(r.left, r.top, r.right, r.bottom, paint); 1132 } 1133 1134 @Override 1135 public void drawRGB(int r, int g, int b) { 1136 drawColor(0xFF000000 | (r & 0xFF) << 16 | (g & 0xFF) << 8 | (b & 0xFF)); 1137 } 1138 1139 @Override 1140 public void drawRoundRect(RectF rect, float rx, float ry, Paint paint) { 1141 int modifiers = setupModifiers(paint, MODIFIER_COLOR_FILTER | MODIFIER_SHADER); 1142 try { 1143 nDrawRoundRect(mRenderer, rect.left, rect.top, rect.right, rect.bottom, 1144 rx, ry, paint.mNativePaint); 1145 } finally { 1146 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1147 } 1148 } 1149 1150 private static native void nDrawRoundRect(int renderer, float left, float top, 1151 float right, float bottom, float rx, float y, int paint); 1152 1153 @Override 1154 public void drawText(char[] text, int index, int count, float x, float y, Paint paint) { 1155 if ((index | count | (index + count) | (text.length - index - count)) < 0) { 1156 throw new IndexOutOfBoundsException(); 1157 } 1158 1159 int modifiers = setupModifiers(paint); 1160 try { 1161 nDrawText(mRenderer, text, index, count, x, y, paint.mNativePaint); 1162 } finally { 1163 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1164 } 1165 } 1166 1167 private static native void nDrawText(int renderer, char[] text, int index, int count, 1168 float x, float y, int paint); 1169 1170 @Override 1171 public void drawText(CharSequence text, int start, int end, float x, float y, Paint paint) { 1172 int modifiers = setupModifiers(paint); 1173 try { 1174 if (text instanceof String || text instanceof SpannedString || 1175 text instanceof SpannableString) { 1176 nDrawText(mRenderer, text.toString(), start, end, x, y, paint.mNativePaint); 1177 } else if (text instanceof GraphicsOperations) { 1178 ((GraphicsOperations) text).drawText(this, start, end, x, y, 1179 paint); 1180 } else { 1181 char[] buf = TemporaryBuffer.obtain(end - start); 1182 TextUtils.getChars(text, start, end, buf, 0); 1183 nDrawText(mRenderer, buf, 0, end - start, x, y, paint.mNativePaint); 1184 TemporaryBuffer.recycle(buf); 1185 } 1186 } finally { 1187 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1188 } 1189 } 1190 1191 @Override 1192 public void drawText(String text, int start, int end, float x, float y, Paint paint) { 1193 if ((start | end | (end - start) | (text.length() - end)) < 0) { 1194 throw new IndexOutOfBoundsException(); 1195 } 1196 1197 int modifiers = setupModifiers(paint); 1198 try { 1199 nDrawText(mRenderer, text, start, end, x, y, paint.mNativePaint); 1200 } finally { 1201 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1202 } 1203 } 1204 1205 private static native void nDrawText(int renderer, String text, int start, int end, 1206 float x, float y, int paint); 1207 1208 @Override 1209 public void drawText(String text, float x, float y, Paint paint) { 1210 int modifiers = setupModifiers(paint); 1211 try { 1212 nDrawText(mRenderer, text, 0, text.length(), x, y, paint.mNativePaint); 1213 } finally { 1214 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1215 } 1216 } 1217 1218 @Override 1219 public void drawTextOnPath(char[] text, int index, int count, Path path, float hOffset, 1220 float vOffset, Paint paint) { 1221 if (index < 0 || index + count > text.length) { 1222 throw new ArrayIndexOutOfBoundsException(); 1223 } 1224 1225 int modifiers = setupModifiers(paint); 1226 try { 1227 nDrawTextOnPath(mRenderer, text, index, count, path.mNativePath, hOffset, vOffset, 1228 paint.mNativePaint); 1229 } finally { 1230 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1231 } 1232 } 1233 1234 private static native void nDrawTextOnPath(int renderer, char[] text, int index, int count, 1235 int path, float hOffset, float vOffset, int nativePaint); 1236 1237 @Override 1238 public void drawTextOnPath(String text, Path path, float hOffset, float vOffset, Paint paint) { 1239 if (text.length() == 0) return; 1240 1241 int modifiers = setupModifiers(paint); 1242 try { 1243 nDrawTextOnPath(mRenderer, text, 0, text.length(), path.mNativePath, hOffset, vOffset, 1244 paint.mNativePaint); 1245 } finally { 1246 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1247 } 1248 } 1249 1250 private static native void nDrawTextOnPath(int renderer, String text, int start, int end, 1251 int path, float hOffset, float vOffset, int nativePaint); 1252 1253 @Override 1254 public void drawTextRun(char[] text, int index, int count, int contextIndex, int contextCount, 1255 float x, float y, Paint paint) { 1256 if ((index | count | text.length - index - count) < 0) { 1257 throw new IndexOutOfBoundsException(); 1258 } 1259 1260 int modifiers = setupModifiers(paint); 1261 try { 1262 nDrawTextRun(mRenderer, text, index, count, contextIndex, contextCount, x, y, 1263 paint.mNativePaint); 1264 } finally { 1265 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1266 } 1267 } 1268 1269 private static native void nDrawTextRun(int renderer, char[] text, int index, int count, 1270 int contextIndex, int contextCount, float x, float y, int nativePaint); 1271 1272 @Override 1273 public void drawTextRun(CharSequence text, int start, int end, int contextStart, int contextEnd, 1274 float x, float y, Paint paint) { 1275 if ((start | end | end - start | text.length() - end) < 0) { 1276 throw new IndexOutOfBoundsException(); 1277 } 1278 1279 int modifiers = setupModifiers(paint); 1280 try { 1281 if (text instanceof String || text instanceof SpannedString || 1282 text instanceof SpannableString) { 1283 nDrawTextRun(mRenderer, text.toString(), start, end, contextStart, 1284 contextEnd, x, y, paint.mNativePaint); 1285 } else if (text instanceof GraphicsOperations) { 1286 ((GraphicsOperations) text).drawTextRun(this, start, end, 1287 contextStart, contextEnd, x, y, paint); 1288 } else { 1289 int contextLen = contextEnd - contextStart; 1290 int len = end - start; 1291 char[] buf = TemporaryBuffer.obtain(contextLen); 1292 TextUtils.getChars(text, contextStart, contextEnd, buf, 0); 1293 nDrawTextRun(mRenderer, buf, start - contextStart, len, 0, contextLen, 1294 x, y, paint.mNativePaint); 1295 TemporaryBuffer.recycle(buf); 1296 } 1297 } finally { 1298 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1299 } 1300 } 1301 1302 private static native void nDrawTextRun(int renderer, String text, int start, int end, 1303 int contextStart, int contextEnd, float x, float y, int nativePaint); 1304 1305 @Override 1306 public void drawVertices(VertexMode mode, int vertexCount, float[] verts, int vertOffset, 1307 float[] texs, int texOffset, int[] colors, int colorOffset, short[] indices, 1308 int indexOffset, int indexCount, Paint paint) { 1309 // TODO: Implement 1310 } 1311 1312 private int setupModifiers(Bitmap b, Paint paint) { 1313 if (b.getConfig() != Bitmap.Config.ALPHA_8) { 1314 final ColorFilter filter = paint.getColorFilter(); 1315 if (filter != null) { 1316 nSetupColorFilter(mRenderer, filter.nativeColorFilter); 1317 return MODIFIER_COLOR_FILTER; 1318 } 1319 1320 return MODIFIER_NONE; 1321 } else { 1322 return setupModifiers(paint); 1323 } 1324 } 1325 1326 private int setupModifiers(Paint paint) { 1327 int modifiers = MODIFIER_NONE; 1328 1329 if (paint.hasShadow) { 1330 nSetupShadow(mRenderer, paint.shadowRadius, paint.shadowDx, paint.shadowDy, 1331 paint.shadowColor); 1332 modifiers |= MODIFIER_SHADOW; 1333 } 1334 1335 final Shader shader = paint.getShader(); 1336 if (shader != null) { 1337 nSetupShader(mRenderer, shader.native_shader); 1338 modifiers |= MODIFIER_SHADER; 1339 } 1340 1341 final ColorFilter filter = paint.getColorFilter(); 1342 if (filter != null) { 1343 nSetupColorFilter(mRenderer, filter.nativeColorFilter); 1344 modifiers |= MODIFIER_COLOR_FILTER; 1345 } 1346 1347 return modifiers; 1348 } 1349 1350 private int setupModifiers(Paint paint, int flags) { 1351 int modifiers = MODIFIER_NONE; 1352 1353 if (paint.hasShadow && (flags & MODIFIER_SHADOW) != 0) { 1354 nSetupShadow(mRenderer, paint.shadowRadius, paint.shadowDx, paint.shadowDy, 1355 paint.shadowColor); 1356 modifiers |= MODIFIER_SHADOW; 1357 } 1358 1359 final Shader shader = paint.getShader(); 1360 if (shader != null && (flags & MODIFIER_SHADER) != 0) { 1361 nSetupShader(mRenderer, shader.native_shader); 1362 modifiers |= MODIFIER_SHADER; 1363 } 1364 1365 final ColorFilter filter = paint.getColorFilter(); 1366 if (filter != null && (flags & MODIFIER_COLOR_FILTER) != 0) { 1367 nSetupColorFilter(mRenderer, filter.nativeColorFilter); 1368 modifiers |= MODIFIER_COLOR_FILTER; 1369 } 1370 1371 return modifiers; 1372 } 1373 1374 private int setupColorFilter(Paint paint) { 1375 final ColorFilter filter = paint.getColorFilter(); 1376 if (filter != null) { 1377 nSetupColorFilter(mRenderer, filter.nativeColorFilter); 1378 return MODIFIER_COLOR_FILTER; 1379 } 1380 return MODIFIER_NONE; 1381 } 1382 1383 private static native void nSetupShader(int renderer, int shader); 1384 private static native void nSetupColorFilter(int renderer, int colorFilter); 1385 private static native void nSetupShadow(int renderer, float radius, 1386 float dx, float dy, int color); 1387 1388 private static native void nResetModifiers(int renderer, int modifiers); 1389} 1390