GLES20Canvas.java revision 7c1a49f5f5ed6613d736464bf5001b777e89ced2
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 static void destroyDisplayList(int displayList) { 382 nDestroyDisplayList(displayList); 383 } 384 385 private static native void nDestroyDisplayList(int displayList); 386 387 static int getDisplayListSize(int displayList) { 388 return nGetDisplayListSize(displayList); 389 } 390 391 private static native int nGetDisplayListSize(int displayList); 392 393 static void setDisplayListName(int displayList, String name) { 394 nSetDisplayListName(displayList, name); 395 } 396 397 private static native void nSetDisplayListName(int displayList, String name); 398 399 @Override 400 public int drawDisplayList(DisplayList displayList, Rect dirty, int flags) { 401 return nDrawDisplayList(mRenderer, ((GLES20DisplayList) displayList).getNativeDisplayList(), 402 dirty, flags); 403 } 404 405 private static native int nDrawDisplayList(int renderer, int displayList, 406 Rect dirty, int flags); 407 408 @Override 409 void outputDisplayList(DisplayList displayList) { 410 nOutputDisplayList(mRenderer, ((GLES20DisplayList) displayList).getNativeDisplayList()); 411 } 412 413 private static native void nOutputDisplayList(int renderer, int displayList); 414 415 /////////////////////////////////////////////////////////////////////////// 416 // Hardware layer 417 /////////////////////////////////////////////////////////////////////////// 418 419 void drawHardwareLayer(HardwareLayer layer, float x, float y, Paint paint) { 420 final GLES20Layer glLayer = (GLES20Layer) layer; 421 final int nativePaint = paint == null ? 0 : paint.mNativePaint; 422 nDrawLayer(mRenderer, glLayer.getLayer(), x, y, nativePaint); 423 } 424 425 private static native void nDrawLayer(int renderer, int layer, float x, float y, int paint); 426 427 void interrupt() { 428 nInterrupt(mRenderer); 429 } 430 431 void resume() { 432 nResume(mRenderer); 433 } 434 435 private static native void nInterrupt(int renderer); 436 private static native void nResume(int renderer); 437 438 /////////////////////////////////////////////////////////////////////////// 439 // Clipping 440 /////////////////////////////////////////////////////////////////////////// 441 442 @Override 443 public boolean clipPath(Path path) { 444 return nClipPath(mRenderer, path.mNativePath, Region.Op.INTERSECT.nativeInt); 445 } 446 447 @Override 448 public boolean clipPath(Path path, Region.Op op) { 449 return nClipPath(mRenderer, path.mNativePath, op.nativeInt); 450 } 451 452 private static native boolean nClipPath(int renderer, int path, int op); 453 454 @Override 455 public boolean clipRect(float left, float top, float right, float bottom) { 456 return nClipRect(mRenderer, left, top, right, bottom, Region.Op.INTERSECT.nativeInt); 457 } 458 459 private static native boolean nClipRect(int renderer, float left, float top, 460 float right, float bottom, int op); 461 462 @Override 463 public boolean clipRect(float left, float top, float right, float bottom, Region.Op op) { 464 return nClipRect(mRenderer, left, top, right, bottom, op.nativeInt); 465 } 466 467 @Override 468 public boolean clipRect(int left, int top, int right, int bottom) { 469 return nClipRect(mRenderer, left, top, right, bottom, Region.Op.INTERSECT.nativeInt); 470 } 471 472 private static native boolean nClipRect(int renderer, int left, int top, 473 int right, int bottom, int op); 474 475 @Override 476 public boolean clipRect(Rect rect) { 477 return nClipRect(mRenderer, rect.left, rect.top, rect.right, rect.bottom, 478 Region.Op.INTERSECT.nativeInt); 479 } 480 481 @Override 482 public boolean clipRect(Rect rect, Region.Op op) { 483 return nClipRect(mRenderer, rect.left, rect.top, rect.right, rect.bottom, op.nativeInt); 484 } 485 486 @Override 487 public boolean clipRect(RectF rect) { 488 return nClipRect(mRenderer, rect.left, rect.top, rect.right, rect.bottom, 489 Region.Op.INTERSECT.nativeInt); 490 } 491 492 @Override 493 public boolean clipRect(RectF rect, Region.Op op) { 494 return nClipRect(mRenderer, rect.left, rect.top, rect.right, rect.bottom, op.nativeInt); 495 } 496 497 @Override 498 public boolean clipRegion(Region region) { 499 return nClipRegion(mRenderer, region.mNativeRegion, Region.Op.INTERSECT.nativeInt); 500 } 501 502 @Override 503 public boolean clipRegion(Region region, Region.Op op) { 504 return nClipRegion(mRenderer, region.mNativeRegion, op.nativeInt); 505 } 506 507 private static native boolean nClipRegion(int renderer, int region, int op); 508 509 @Override 510 public boolean getClipBounds(Rect bounds) { 511 return nGetClipBounds(mRenderer, bounds); 512 } 513 514 private static native boolean nGetClipBounds(int renderer, Rect bounds); 515 516 @Override 517 public boolean quickReject(float left, float top, float right, float bottom, EdgeType type) { 518 return nQuickReject(mRenderer, left, top, right, bottom, type.nativeInt); 519 } 520 521 private static native boolean nQuickReject(int renderer, float left, float top, 522 float right, float bottom, int edge); 523 524 @Override 525 public boolean quickReject(Path path, EdgeType type) { 526 path.computeBounds(mPathBounds, true); 527 return nQuickReject(mRenderer, mPathBounds.left, mPathBounds.top, 528 mPathBounds.right, mPathBounds.bottom, type.nativeInt); 529 } 530 531 @Override 532 public boolean quickReject(RectF rect, EdgeType type) { 533 return nQuickReject(mRenderer, rect.left, rect.top, rect.right, rect.bottom, type.nativeInt); 534 } 535 536 /////////////////////////////////////////////////////////////////////////// 537 // Transformations 538 /////////////////////////////////////////////////////////////////////////// 539 540 @Override 541 public void translate(float dx, float dy) { 542 if (dx != 0.0f || dy != 0.0f) nTranslate(mRenderer, dx, dy); 543 } 544 545 private static native void nTranslate(int renderer, float dx, float dy); 546 547 @Override 548 public void skew(float sx, float sy) { 549 nSkew(mRenderer, sx, sy); 550 } 551 552 private static native void nSkew(int renderer, float sx, float sy); 553 554 @Override 555 public void rotate(float degrees) { 556 nRotate(mRenderer, degrees); 557 } 558 559 private static native void nRotate(int renderer, float degrees); 560 561 @Override 562 public void scale(float sx, float sy) { 563 nScale(mRenderer, sx, sy); 564 } 565 566 private static native void nScale(int renderer, float sx, float sy); 567 568 @Override 569 public void setMatrix(Matrix matrix) { 570 nSetMatrix(mRenderer, matrix == null ? 0 : matrix.native_instance); 571 } 572 573 private static native void nSetMatrix(int renderer, int matrix); 574 575 @SuppressWarnings("deprecation") 576 @Override 577 public void getMatrix(Matrix matrix) { 578 nGetMatrix(mRenderer, matrix.native_instance); 579 } 580 581 private static native void nGetMatrix(int renderer, int matrix); 582 583 @Override 584 public void concat(Matrix matrix) { 585 nConcatMatrix(mRenderer, matrix.native_instance); 586 } 587 588 private static native void nConcatMatrix(int renderer, int matrix); 589 590 /////////////////////////////////////////////////////////////////////////// 591 // State management 592 /////////////////////////////////////////////////////////////////////////// 593 594 @Override 595 public int save() { 596 return nSave(mRenderer, Canvas.CLIP_SAVE_FLAG | Canvas.MATRIX_SAVE_FLAG); 597 } 598 599 @Override 600 public int save(int saveFlags) { 601 return nSave(mRenderer, saveFlags); 602 } 603 604 private static native int nSave(int renderer, int flags); 605 606 @Override 607 public int saveLayer(RectF bounds, Paint paint, int saveFlags) { 608 if (bounds != null) { 609 return saveLayer(bounds.left, bounds.top, bounds.right, bounds.bottom, paint, saveFlags); 610 } 611 612 int count; 613 int modifier = paint != null ? setupColorFilter(paint) : MODIFIER_NONE; 614 try { 615 final int nativePaint = paint == null ? 0 : paint.mNativePaint; 616 count = nSaveLayer(mRenderer, nativePaint, saveFlags); 617 } finally { 618 if (modifier != MODIFIER_NONE) nResetModifiers(mRenderer, modifier); 619 } 620 return count; 621 } 622 623 private static native int nSaveLayer(int renderer, int paint, int saveFlags); 624 625 @Override 626 public int saveLayer(float left, float top, float right, float bottom, Paint paint, 627 int saveFlags) { 628 if (left < right && top < bottom) { 629 int count; 630 int modifier = paint != null ? setupColorFilter(paint) : MODIFIER_NONE; 631 try { 632 final int nativePaint = paint == null ? 0 : paint.mNativePaint; 633 count = nSaveLayer(mRenderer, left, top, right, bottom, nativePaint, saveFlags); 634 } finally { 635 if (modifier != MODIFIER_NONE) nResetModifiers(mRenderer, modifier); 636 } 637 return count; 638 } 639 return save(saveFlags); 640 } 641 642 private static native int nSaveLayer(int renderer, float left, float top, 643 float right, float bottom, int paint, int saveFlags); 644 645 @Override 646 public int saveLayerAlpha(RectF bounds, int alpha, int saveFlags) { 647 if (bounds != null) { 648 return saveLayerAlpha(bounds.left, bounds.top, bounds.right, bounds.bottom, 649 alpha, saveFlags); 650 } 651 return nSaveLayerAlpha(mRenderer, alpha, saveFlags); 652 } 653 654 private static native int nSaveLayerAlpha(int renderer, int alpha, int saveFlags); 655 656 @Override 657 public int saveLayerAlpha(float left, float top, float right, float bottom, int alpha, 658 int saveFlags) { 659 if (left < right && top < bottom) { 660 return nSaveLayerAlpha(mRenderer, left, top, right, bottom, alpha, saveFlags); 661 } 662 return save(saveFlags); 663 } 664 665 private static native int nSaveLayerAlpha(int renderer, float left, float top, float right, 666 float bottom, int alpha, int saveFlags); 667 668 @Override 669 public void restore() { 670 nRestore(mRenderer); 671 } 672 673 private static native void nRestore(int renderer); 674 675 @Override 676 public void restoreToCount(int saveCount) { 677 nRestoreToCount(mRenderer, saveCount); 678 } 679 680 private static native void nRestoreToCount(int renderer, int saveCount); 681 682 @Override 683 public int getSaveCount() { 684 return nGetSaveCount(mRenderer); 685 } 686 687 private static native int nGetSaveCount(int renderer); 688 689 /////////////////////////////////////////////////////////////////////////// 690 // Filtering 691 /////////////////////////////////////////////////////////////////////////// 692 693 @Override 694 public void setDrawFilter(DrawFilter filter) { 695 mFilter = filter; 696 if (filter == null) { 697 nResetPaintFilter(mRenderer); 698 } else if (filter instanceof PaintFlagsDrawFilter) { 699 PaintFlagsDrawFilter flagsFilter = (PaintFlagsDrawFilter) filter; 700 nSetupPaintFilter(mRenderer, flagsFilter.clearBits, flagsFilter.setBits); 701 } 702 } 703 704 private static native void nResetPaintFilter(int renderer); 705 private static native void nSetupPaintFilter(int renderer, int clearBits, int setBits); 706 707 @Override 708 public DrawFilter getDrawFilter() { 709 return mFilter; 710 } 711 712 /////////////////////////////////////////////////////////////////////////// 713 // Drawing 714 /////////////////////////////////////////////////////////////////////////// 715 716 @Override 717 public void drawArc(RectF oval, float startAngle, float sweepAngle, boolean useCenter, 718 Paint paint) { 719 int modifiers = setupModifiers(paint, MODIFIER_COLOR_FILTER | MODIFIER_SHADER); 720 try { 721 nDrawArc(mRenderer, oval.left, oval.top, oval.right, oval.bottom, 722 startAngle, sweepAngle, useCenter, paint.mNativePaint); 723 } finally { 724 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 725 } 726 } 727 728 private static native void nDrawArc(int renderer, float left, float top, 729 float right, float bottom, float startAngle, float sweepAngle, 730 boolean useCenter, int paint); 731 732 @Override 733 public void drawARGB(int a, int r, int g, int b) { 734 drawColor((a & 0xFF) << 24 | (r & 0xFF) << 16 | (g & 0xFF) << 8 | (b & 0xFF)); 735 } 736 737 @Override 738 public void drawPatch(Bitmap bitmap, byte[] chunks, RectF dst, Paint paint) { 739 if (bitmap.isRecycled()) throw new IllegalArgumentException("Cannot draw recycled bitmaps"); 740 // Shaders are ignored when drawing patches 741 int modifier = paint != null ? setupColorFilter(paint) : MODIFIER_NONE; 742 try { 743 final int nativePaint = paint == null ? 0 : paint.mNativePaint; 744 nDrawPatch(mRenderer, bitmap.mNativeBitmap, bitmap.mBuffer, chunks, 745 dst.left, dst.top, dst.right, dst.bottom, nativePaint); 746 } finally { 747 if (modifier != MODIFIER_NONE) nResetModifiers(mRenderer, modifier); 748 } 749 } 750 751 private static native void nDrawPatch(int renderer, int bitmap, byte[] buffer, byte[] chunks, 752 float left, float top, float right, float bottom, int paint); 753 754 @Override 755 public void drawBitmap(Bitmap bitmap, float left, float top, Paint paint) { 756 if (bitmap.isRecycled()) throw new IllegalArgumentException("Cannot draw recycled bitmaps"); 757 // Shaders are ignored when drawing bitmaps 758 int modifiers = paint != null ? setupModifiers(bitmap, paint) : MODIFIER_NONE; 759 try { 760 final int nativePaint = paint == null ? 0 : paint.mNativePaint; 761 nDrawBitmap(mRenderer, bitmap.mNativeBitmap, bitmap.mBuffer, left, top, nativePaint); 762 } finally { 763 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 764 } 765 } 766 767 private static native void nDrawBitmap( 768 int renderer, int bitmap, byte[] buffer, float left, float top, int paint); 769 770 @Override 771 public void drawBitmap(Bitmap bitmap, Matrix matrix, Paint paint) { 772 if (bitmap.isRecycled()) throw new IllegalArgumentException("Cannot draw recycled bitmaps"); 773 // Shaders are ignored when drawing bitmaps 774 int modifiers = paint != null ? setupModifiers(bitmap, paint) : MODIFIER_NONE; 775 try { 776 final int nativePaint = paint == null ? 0 : paint.mNativePaint; 777 nDrawBitmap(mRenderer, bitmap.mNativeBitmap, bitmap.mBuffer, 778 matrix.native_instance, nativePaint); 779 } finally { 780 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 781 } 782 } 783 784 private static native void nDrawBitmap(int renderer, int bitmap, byte[] buff, 785 int matrix, int paint); 786 787 @Override 788 public void drawBitmap(Bitmap bitmap, Rect src, Rect dst, Paint paint) { 789 if (bitmap.isRecycled()) throw new IllegalArgumentException("Cannot draw recycled bitmaps"); 790 // Shaders are ignored when drawing bitmaps 791 int modifiers = paint != null ? setupModifiers(bitmap, paint) : MODIFIER_NONE; 792 try { 793 final int nativePaint = paint == null ? 0 : paint.mNativePaint; 794 795 int left, top, right, bottom; 796 if (src == null) { 797 left = top = 0; 798 right = bitmap.getWidth(); 799 bottom = bitmap.getHeight(); 800 } else { 801 left = src.left; 802 right = src.right; 803 top = src.top; 804 bottom = src.bottom; 805 } 806 807 nDrawBitmap(mRenderer, bitmap.mNativeBitmap, bitmap.mBuffer, left, top, right, bottom, 808 dst.left, dst.top, dst.right, dst.bottom, nativePaint); 809 } finally { 810 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 811 } 812 } 813 814 @Override 815 public void drawBitmap(Bitmap bitmap, Rect src, RectF dst, Paint paint) { 816 if (bitmap.isRecycled()) throw new IllegalArgumentException("Cannot draw recycled bitmaps"); 817 // Shaders are ignored when drawing bitmaps 818 int modifiers = paint != null ? setupModifiers(bitmap, paint) : MODIFIER_NONE; 819 try { 820 final int nativePaint = paint == null ? 0 : paint.mNativePaint; 821 822 float left, top, right, bottom; 823 if (src == null) { 824 left = top = 0; 825 right = bitmap.getWidth(); 826 bottom = bitmap.getHeight(); 827 } else { 828 left = src.left; 829 right = src.right; 830 top = src.top; 831 bottom = src.bottom; 832 } 833 834 nDrawBitmap(mRenderer, bitmap.mNativeBitmap, bitmap.mBuffer, left, top, right, bottom, 835 dst.left, dst.top, dst.right, dst.bottom, nativePaint); 836 } finally { 837 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 838 } 839 } 840 841 private static native void nDrawBitmap(int renderer, int bitmap, byte[] buffer, 842 float srcLeft, float srcTop, float srcRight, float srcBottom, 843 float left, float top, float right, float bottom, int paint); 844 845 @Override 846 public void drawBitmap(int[] colors, int offset, int stride, float x, float y, 847 int width, int height, boolean hasAlpha, Paint paint) { 848 if (width < 0) { 849 throw new IllegalArgumentException("width must be >= 0"); 850 } 851 852 if (height < 0) { 853 throw new IllegalArgumentException("height must be >= 0"); 854 } 855 856 if (Math.abs(stride) < width) { 857 throw new IllegalArgumentException("abs(stride) must be >= width"); 858 } 859 860 int lastScanline = offset + (height - 1) * stride; 861 int length = colors.length; 862 863 if (offset < 0 || (offset + width > length) || lastScanline < 0 || 864 (lastScanline + width > length)) { 865 throw new ArrayIndexOutOfBoundsException(); 866 } 867 868 // Shaders are ignored when drawing bitmaps 869 int modifier = paint != null ? setupColorFilter(paint) : MODIFIER_NONE; 870 try { 871 final int nativePaint = paint == null ? 0 : paint.mNativePaint; 872 nDrawBitmap(mRenderer, colors, offset, stride, x, y, 873 width, height, hasAlpha, nativePaint); 874 } finally { 875 if (modifier != MODIFIER_NONE) nResetModifiers(mRenderer, modifier); 876 } 877 } 878 879 private static native void nDrawBitmap(int renderer, int[] colors, int offset, int stride, 880 float x, float y, int width, int height, boolean hasAlpha, int nativePaint); 881 882 @Override 883 public void drawBitmap(int[] colors, int offset, int stride, int x, int y, 884 int width, int height, boolean hasAlpha, Paint paint) { 885 // Shaders are ignored when drawing bitmaps 886 drawBitmap(colors, offset, stride, (float) x, (float) y, width, height, hasAlpha, paint); 887 } 888 889 @Override 890 public void drawBitmapMesh(Bitmap bitmap, int meshWidth, int meshHeight, float[] verts, 891 int vertOffset, int[] colors, int colorOffset, Paint paint) { 892 if (bitmap.isRecycled()) throw new IllegalArgumentException("Cannot draw recycled bitmaps"); 893 if (meshWidth < 0 || meshHeight < 0 || vertOffset < 0 || colorOffset < 0) { 894 throw new ArrayIndexOutOfBoundsException(); 895 } 896 897 if (meshWidth == 0 || meshHeight == 0) { 898 return; 899 } 900 901 final int count = (meshWidth + 1) * (meshHeight + 1); 902 checkRange(verts.length, vertOffset, count * 2); 903 904 // TODO: Colors are ignored for now 905 colors = null; 906 colorOffset = 0; 907 908 int modifiers = paint != null ? setupModifiers(bitmap, paint) : MODIFIER_NONE; 909 try { 910 final int nativePaint = paint == null ? 0 : paint.mNativePaint; 911 nDrawBitmapMesh(mRenderer, bitmap.mNativeBitmap, bitmap.mBuffer, meshWidth, meshHeight, 912 verts, vertOffset, colors, colorOffset, nativePaint); 913 } finally { 914 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 915 } 916 } 917 918 private static native void nDrawBitmapMesh(int renderer, int bitmap, byte[] buffer, 919 int meshWidth, int meshHeight, float[] verts, int vertOffset, 920 int[] colors, int colorOffset, int paint); 921 922 @Override 923 public void drawCircle(float cx, float cy, float radius, Paint paint) { 924 int modifiers = setupModifiers(paint, MODIFIER_COLOR_FILTER | MODIFIER_SHADER); 925 try { 926 nDrawCircle(mRenderer, cx, cy, radius, paint.mNativePaint); 927 } finally { 928 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 929 } 930 } 931 932 private static native void nDrawCircle(int renderer, float cx, float cy, 933 float radius, int paint); 934 935 @Override 936 public void drawColor(int color) { 937 drawColor(color, PorterDuff.Mode.SRC_OVER); 938 } 939 940 @Override 941 public void drawColor(int color, PorterDuff.Mode mode) { 942 nDrawColor(mRenderer, color, mode.nativeInt); 943 } 944 945 private static native void nDrawColor(int renderer, int color, int mode); 946 947 @Override 948 public void drawLine(float startX, float startY, float stopX, float stopY, Paint paint) { 949 mLine[0] = startX; 950 mLine[1] = startY; 951 mLine[2] = stopX; 952 mLine[3] = stopY; 953 drawLines(mLine, 0, 4, paint); 954 } 955 956 @Override 957 public void drawLines(float[] pts, int offset, int count, Paint paint) { 958 if ((offset | count) < 0 || offset + count > pts.length) { 959 throw new IllegalArgumentException("The lines array must contain 4 elements per line."); 960 } 961 int modifiers = setupModifiers(paint, MODIFIER_COLOR_FILTER | MODIFIER_SHADER); 962 try { 963 nDrawLines(mRenderer, pts, offset, count, paint.mNativePaint); 964 } finally { 965 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 966 } 967 } 968 969 private static native void nDrawLines(int renderer, float[] points, 970 int offset, int count, int paint); 971 972 @Override 973 public void drawLines(float[] pts, Paint paint) { 974 drawLines(pts, 0, pts.length, paint); 975 } 976 977 @Override 978 public void drawOval(RectF oval, Paint paint) { 979 int modifiers = setupModifiers(paint, MODIFIER_COLOR_FILTER | MODIFIER_SHADER); 980 try { 981 nDrawOval(mRenderer, oval.left, oval.top, oval.right, oval.bottom, paint.mNativePaint); 982 } finally { 983 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 984 } 985 } 986 987 private static native void nDrawOval(int renderer, float left, float top, 988 float right, float bottom, int paint); 989 990 @Override 991 public void drawPaint(Paint paint) { 992 final Rect r = mClipBounds; 993 nGetClipBounds(mRenderer, r); 994 drawRect(r.left, r.top, r.right, r.bottom, paint); 995 } 996 997 @Override 998 public void drawPath(Path path, Paint paint) { 999 int modifiers = setupModifiers(paint, MODIFIER_COLOR_FILTER | MODIFIER_SHADER); 1000 try { 1001 if (path.isSimplePath) { 1002 if (path.rects != null) { 1003 nDrawRects(mRenderer, path.rects.mNativeRegion, paint.mNativePaint); 1004 } 1005 } else { 1006 nDrawPath(mRenderer, path.mNativePath, paint.mNativePaint); 1007 } 1008 } finally { 1009 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1010 } 1011 } 1012 1013 private static native void nDrawPath(int renderer, int path, int paint); 1014 private static native void nDrawRects(int renderer, int region, int paint); 1015 1016 void drawRects(float[] rects, int count, Paint paint) { 1017 int modifiers = setupModifiers(paint, MODIFIER_COLOR_FILTER | MODIFIER_SHADER); 1018 try { 1019 nDrawRects(mRenderer, rects, count, paint.mNativePaint); 1020 } finally { 1021 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1022 } 1023 } 1024 1025 private static native void nDrawRects(int renderer, float[] rects, int count, int paint); 1026 1027 @Override 1028 public void drawPicture(Picture picture) { 1029 if (picture.createdFromStream) { 1030 return; 1031 } 1032 1033 picture.endRecording(); 1034 // TODO: Implement rendering 1035 } 1036 1037 @Override 1038 public void drawPicture(Picture picture, Rect dst) { 1039 if (picture.createdFromStream) { 1040 return; 1041 } 1042 1043 save(); 1044 translate(dst.left, dst.top); 1045 if (picture.getWidth() > 0 && picture.getHeight() > 0) { 1046 scale(dst.width() / picture.getWidth(), dst.height() / picture.getHeight()); 1047 } 1048 drawPicture(picture); 1049 restore(); 1050 } 1051 1052 @Override 1053 public void drawPicture(Picture picture, RectF dst) { 1054 if (picture.createdFromStream) { 1055 return; 1056 } 1057 1058 save(); 1059 translate(dst.left, dst.top); 1060 if (picture.getWidth() > 0 && picture.getHeight() > 0) { 1061 scale(dst.width() / picture.getWidth(), dst.height() / picture.getHeight()); 1062 } 1063 drawPicture(picture); 1064 restore(); 1065 } 1066 1067 @Override 1068 public void drawPoint(float x, float y, Paint paint) { 1069 mPoint[0] = x; 1070 mPoint[1] = y; 1071 drawPoints(mPoint, 0, 2, paint); 1072 } 1073 1074 @Override 1075 public void drawPoints(float[] pts, Paint paint) { 1076 drawPoints(pts, 0, pts.length, paint); 1077 } 1078 1079 @Override 1080 public void drawPoints(float[] pts, int offset, int count, Paint paint) { 1081 int modifiers = setupModifiers(paint, MODIFIER_COLOR_FILTER | MODIFIER_SHADER); 1082 try { 1083 nDrawPoints(mRenderer, pts, offset, count, paint.mNativePaint); 1084 } finally { 1085 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1086 } 1087 } 1088 1089 private static native void nDrawPoints(int renderer, float[] points, 1090 int offset, int count, int paint); 1091 1092 @SuppressWarnings("deprecation") 1093 @Override 1094 public void drawPosText(char[] text, int index, int count, float[] pos, Paint paint) { 1095 if (index < 0 || index + count > text.length || count * 2 > pos.length) { 1096 throw new IndexOutOfBoundsException(); 1097 } 1098 1099 int modifiers = setupModifiers(paint); 1100 try { 1101 nDrawPosText(mRenderer, text, index, count, pos, paint.mNativePaint); 1102 } finally { 1103 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1104 } 1105 } 1106 1107 private static native void nDrawPosText(int renderer, char[] text, int index, int count, 1108 float[] pos, int paint); 1109 1110 @SuppressWarnings("deprecation") 1111 @Override 1112 public void drawPosText(String text, float[] pos, Paint paint) { 1113 if (text.length() * 2 > pos.length) { 1114 throw new ArrayIndexOutOfBoundsException(); 1115 } 1116 1117 int modifiers = setupModifiers(paint); 1118 try { 1119 nDrawPosText(mRenderer, text, 0, text.length(), pos, paint.mNativePaint); 1120 } finally { 1121 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1122 } 1123 } 1124 1125 private static native void nDrawPosText(int renderer, String text, int start, int end, 1126 float[] pos, int paint); 1127 1128 @Override 1129 public void drawRect(float left, float top, float right, float bottom, Paint paint) { 1130 if (left == right || top == bottom) return; 1131 int modifiers = setupModifiers(paint, MODIFIER_COLOR_FILTER | MODIFIER_SHADER); 1132 try { 1133 nDrawRect(mRenderer, left, top, right, bottom, paint.mNativePaint); 1134 } finally { 1135 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1136 } 1137 } 1138 1139 private static native void nDrawRect(int renderer, float left, float top, 1140 float right, float bottom, int paint); 1141 1142 @Override 1143 public void drawRect(Rect r, Paint paint) { 1144 drawRect(r.left, r.top, r.right, r.bottom, paint); 1145 } 1146 1147 @Override 1148 public void drawRect(RectF r, Paint paint) { 1149 drawRect(r.left, r.top, r.right, r.bottom, paint); 1150 } 1151 1152 @Override 1153 public void drawRGB(int r, int g, int b) { 1154 drawColor(0xFF000000 | (r & 0xFF) << 16 | (g & 0xFF) << 8 | (b & 0xFF)); 1155 } 1156 1157 @Override 1158 public void drawRoundRect(RectF rect, float rx, float ry, Paint paint) { 1159 int modifiers = setupModifiers(paint, MODIFIER_COLOR_FILTER | MODIFIER_SHADER); 1160 try { 1161 nDrawRoundRect(mRenderer, rect.left, rect.top, rect.right, rect.bottom, 1162 rx, ry, paint.mNativePaint); 1163 } finally { 1164 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1165 } 1166 } 1167 1168 private static native void nDrawRoundRect(int renderer, float left, float top, 1169 float right, float bottom, float rx, float y, int paint); 1170 1171 @Override 1172 public void drawText(char[] text, int index, int count, float x, float y, Paint paint) { 1173 if ((index | count | (index + count) | (text.length - index - count)) < 0) { 1174 throw new IndexOutOfBoundsException(); 1175 } 1176 1177 int modifiers = setupModifiers(paint); 1178 try { 1179 nDrawText(mRenderer, text, index, count, x, y, paint.mBidiFlags, paint.mNativePaint); 1180 } finally { 1181 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1182 } 1183 } 1184 1185 private static native void nDrawText(int renderer, char[] text, int index, int count, 1186 float x, float y, int bidiFlags, int paint); 1187 1188 @Override 1189 public void drawText(CharSequence text, int start, int end, float x, float y, Paint paint) { 1190 int modifiers = setupModifiers(paint); 1191 try { 1192 if (text instanceof String || text instanceof SpannedString || 1193 text instanceof SpannableString) { 1194 nDrawText(mRenderer, text.toString(), start, end, x, y, paint.mBidiFlags, 1195 paint.mNativePaint); 1196 } else if (text instanceof GraphicsOperations) { 1197 ((GraphicsOperations) text).drawText(this, start, end, x, y, 1198 paint); 1199 } else { 1200 char[] buf = TemporaryBuffer.obtain(end - start); 1201 TextUtils.getChars(text, start, end, buf, 0); 1202 nDrawText(mRenderer, buf, 0, end - start, x, y, 1203 paint.mBidiFlags, paint.mNativePaint); 1204 TemporaryBuffer.recycle(buf); 1205 } 1206 } finally { 1207 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1208 } 1209 } 1210 1211 @Override 1212 public void drawText(String text, int start, int end, float x, float y, Paint paint) { 1213 if ((start | end | (end - start) | (text.length() - end)) < 0) { 1214 throw new IndexOutOfBoundsException(); 1215 } 1216 1217 int modifiers = setupModifiers(paint); 1218 try { 1219 nDrawText(mRenderer, text, start, end, x, y, paint.mBidiFlags, paint.mNativePaint); 1220 } finally { 1221 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1222 } 1223 } 1224 1225 private static native void nDrawText(int renderer, String text, int start, int end, 1226 float x, float y, int bidiFlags, int paint); 1227 1228 @Override 1229 public void drawText(String text, float x, float y, Paint paint) { 1230 int modifiers = setupModifiers(paint); 1231 try { 1232 nDrawText(mRenderer, text, 0, text.length(), x, y, paint.mBidiFlags, 1233 paint.mNativePaint); 1234 } finally { 1235 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1236 } 1237 } 1238 1239 @Override 1240 public void drawTextOnPath(char[] text, int index, int count, Path path, float hOffset, 1241 float vOffset, Paint paint) { 1242 if (index < 0 || index + count > text.length) { 1243 throw new ArrayIndexOutOfBoundsException(); 1244 } 1245 1246 int modifiers = setupModifiers(paint); 1247 try { 1248 nDrawTextOnPath(mRenderer, text, index, count, path.mNativePath, hOffset, vOffset, 1249 paint.mBidiFlags, paint.mNativePaint); 1250 } finally { 1251 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1252 } 1253 } 1254 1255 private static native void nDrawTextOnPath(int renderer, char[] text, int index, int count, 1256 int path, float hOffset, float vOffset, int bidiFlags, int nativePaint); 1257 1258 @Override 1259 public void drawTextOnPath(String text, Path path, float hOffset, float vOffset, Paint paint) { 1260 if (text.length() == 0) return; 1261 1262 int modifiers = setupModifiers(paint); 1263 try { 1264 nDrawTextOnPath(mRenderer, text, 0, text.length(), path.mNativePath, hOffset, vOffset, 1265 paint.mBidiFlags, paint.mNativePaint); 1266 } finally { 1267 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1268 } 1269 } 1270 1271 private static native void nDrawTextOnPath(int renderer, String text, int start, int end, 1272 int path, float hOffset, float vOffset, int bidiFlags, int nativePaint); 1273 1274 @Override 1275 public void drawTextRun(char[] text, int index, int count, int contextIndex, int contextCount, 1276 float x, float y, int dir, Paint paint) { 1277 if ((index | count | text.length - index - count) < 0) { 1278 throw new IndexOutOfBoundsException(); 1279 } 1280 if (dir != DIRECTION_LTR && dir != DIRECTION_RTL) { 1281 throw new IllegalArgumentException("Unknown direction: " + dir); 1282 } 1283 1284 int modifiers = setupModifiers(paint); 1285 try { 1286 nDrawTextRun(mRenderer, text, index, count, contextIndex, contextCount, x, y, dir, 1287 paint.mNativePaint); 1288 } finally { 1289 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1290 } 1291 } 1292 1293 private static native void nDrawTextRun(int renderer, char[] text, int index, int count, 1294 int contextIndex, int contextCount, float x, float y, int dir, int nativePaint); 1295 1296 @Override 1297 public void drawTextRun(CharSequence text, int start, int end, int contextStart, int contextEnd, 1298 float x, float y, int dir, Paint paint) { 1299 if ((start | end | end - start | text.length() - end) < 0) { 1300 throw new IndexOutOfBoundsException(); 1301 } 1302 1303 int modifiers = setupModifiers(paint); 1304 try { 1305 int flags = dir == 0 ? 0 : 1; 1306 if (text instanceof String || text instanceof SpannedString || 1307 text instanceof SpannableString) { 1308 nDrawTextRun(mRenderer, text.toString(), start, end, contextStart, 1309 contextEnd, x, y, flags, paint.mNativePaint); 1310 } else if (text instanceof GraphicsOperations) { 1311 ((GraphicsOperations) text).drawTextRun(this, start, end, 1312 contextStart, contextEnd, x, y, flags, paint); 1313 } else { 1314 int contextLen = contextEnd - contextStart; 1315 int len = end - start; 1316 char[] buf = TemporaryBuffer.obtain(contextLen); 1317 TextUtils.getChars(text, contextStart, contextEnd, buf, 0); 1318 nDrawTextRun(mRenderer, buf, start - contextStart, len, 0, contextLen, 1319 x, y, flags, paint.mNativePaint); 1320 TemporaryBuffer.recycle(buf); 1321 } 1322 } finally { 1323 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1324 } 1325 } 1326 1327 private static native void nDrawTextRun(int renderer, String text, int start, int end, 1328 int contextStart, int contextEnd, float x, float y, int flags, int nativePaint); 1329 1330 @Override 1331 public void drawVertices(VertexMode mode, int vertexCount, float[] verts, int vertOffset, 1332 float[] texs, int texOffset, int[] colors, int colorOffset, short[] indices, 1333 int indexOffset, int indexCount, Paint paint) { 1334 // TODO: Implement 1335 } 1336 1337 private int setupModifiers(Bitmap b, Paint paint) { 1338 if (b.getConfig() != Bitmap.Config.ALPHA_8) { 1339 final ColorFilter filter = paint.getColorFilter(); 1340 if (filter != null) { 1341 nSetupColorFilter(mRenderer, filter.nativeColorFilter); 1342 return MODIFIER_COLOR_FILTER; 1343 } 1344 1345 return MODIFIER_NONE; 1346 } else { 1347 return setupModifiers(paint); 1348 } 1349 } 1350 1351 private int setupModifiers(Paint paint) { 1352 int modifiers = MODIFIER_NONE; 1353 1354 if (paint.hasShadow) { 1355 nSetupShadow(mRenderer, paint.shadowRadius, paint.shadowDx, paint.shadowDy, 1356 paint.shadowColor); 1357 modifiers |= MODIFIER_SHADOW; 1358 } 1359 1360 final Shader shader = paint.getShader(); 1361 if (shader != null) { 1362 nSetupShader(mRenderer, shader.native_shader); 1363 modifiers |= MODIFIER_SHADER; 1364 } 1365 1366 final ColorFilter filter = paint.getColorFilter(); 1367 if (filter != null) { 1368 nSetupColorFilter(mRenderer, filter.nativeColorFilter); 1369 modifiers |= MODIFIER_COLOR_FILTER; 1370 } 1371 1372 return modifiers; 1373 } 1374 1375 private int setupModifiers(Paint paint, int flags) { 1376 int modifiers = MODIFIER_NONE; 1377 1378 if (paint.hasShadow && (flags & MODIFIER_SHADOW) != 0) { 1379 nSetupShadow(mRenderer, paint.shadowRadius, paint.shadowDx, paint.shadowDy, 1380 paint.shadowColor); 1381 modifiers |= MODIFIER_SHADOW; 1382 } 1383 1384 final Shader shader = paint.getShader(); 1385 if (shader != null && (flags & MODIFIER_SHADER) != 0) { 1386 nSetupShader(mRenderer, shader.native_shader); 1387 modifiers |= MODIFIER_SHADER; 1388 } 1389 1390 final ColorFilter filter = paint.getColorFilter(); 1391 if (filter != null && (flags & MODIFIER_COLOR_FILTER) != 0) { 1392 nSetupColorFilter(mRenderer, filter.nativeColorFilter); 1393 modifiers |= MODIFIER_COLOR_FILTER; 1394 } 1395 1396 return modifiers; 1397 } 1398 1399 private int setupColorFilter(Paint paint) { 1400 final ColorFilter filter = paint.getColorFilter(); 1401 if (filter != null) { 1402 nSetupColorFilter(mRenderer, filter.nativeColorFilter); 1403 return MODIFIER_COLOR_FILTER; 1404 } 1405 return MODIFIER_NONE; 1406 } 1407 1408 private static native void nSetupShader(int renderer, int shader); 1409 private static native void nSetupColorFilter(int renderer, int colorFilter); 1410 private static native void nSetupShadow(int renderer, float radius, 1411 float dx, float dy, int color); 1412 1413 private static native void nResetModifiers(int renderer, int modifiers); 1414} 1415