1 /* 2 * Copyright (C) 2010 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package android.view; 18 19 import android.graphics.Bitmap; 20 import android.graphics.Canvas; 21 import android.graphics.ColorFilter; 22 import android.graphics.DrawFilter; 23 import android.graphics.Matrix; 24 import android.graphics.Paint; 25 import android.graphics.PaintFlagsDrawFilter; 26 import android.graphics.Path; 27 import android.graphics.Picture; 28 import android.graphics.PorterDuff; 29 import android.graphics.Rect; 30 import android.graphics.RectF; 31 import android.graphics.Region; 32 import android.graphics.Shader; 33 import android.graphics.SurfaceTexture; 34 import android.graphics.TemporaryBuffer; 35 import android.text.GraphicsOperations; 36 import android.text.SpannableString; 37 import android.text.SpannedString; 38 import android.text.TextUtils; 39 40 /** 41 * An implementation of Canvas on top of OpenGL ES 2.0. 42 */ 43 class GLES20Canvas extends HardwareCanvas { 44 // Must match modifiers used in the JNI layer 45 private static final int MODIFIER_NONE = 0; 46 private static final int MODIFIER_SHADOW = 1; 47 private static final int MODIFIER_SHADER = 2; 48 private static final int MODIFIER_COLOR_FILTER = 4; 49 50 private final boolean mOpaque; 51 private int mRenderer; 52 53 // The native renderer will be destroyed when this object dies. 54 // DO NOT overwrite this reference once it is set. 55 @SuppressWarnings({"unused", "FieldCanBeLocal"}) 56 private CanvasFinalizer mFinalizer; 57 58 private int mWidth; 59 private int mHeight; 60 61 private final float[] mPoint = new float[2]; 62 private final float[] mLine = new float[4]; 63 64 private final Rect mClipBounds = new Rect(); 65 private final RectF mPathBounds = new RectF(); 66 67 private DrawFilter mFilter; 68 69 /////////////////////////////////////////////////////////////////////////// 70 // JNI 71 /////////////////////////////////////////////////////////////////////////// 72 73 private static native boolean nIsAvailable(); 74 private static boolean sIsAvailable = nIsAvailable(); 75 76 static boolean isAvailable() { 77 return sIsAvailable; 78 } 79 80 /////////////////////////////////////////////////////////////////////////// 81 // Constructors 82 /////////////////////////////////////////////////////////////////////////// 83 84 /** 85 * Creates a canvas to render directly on screen. 86 */ 87 GLES20Canvas(boolean translucent) { 88 this(false, translucent); 89 } 90 91 /** 92 * Creates a canvas to render into an FBO. 93 */ 94 GLES20Canvas(int layer, boolean translucent) { 95 mOpaque = !translucent; 96 mRenderer = nCreateLayerRenderer(layer); 97 setupFinalizer(); 98 } 99 100 protected GLES20Canvas(boolean record, boolean translucent) { 101 mOpaque = !translucent; 102 103 if (record) { 104 mRenderer = nCreateDisplayListRenderer(); 105 } else { 106 mRenderer = nCreateRenderer(); 107 } 108 109 setupFinalizer(); 110 } 111 112 private void setupFinalizer() { 113 if (mRenderer == 0) { 114 throw new IllegalStateException("Could not create GLES20Canvas renderer"); 115 } else { 116 mFinalizer = new CanvasFinalizer(mRenderer); 117 } 118 } 119 120 protected void resetDisplayListRenderer() { 121 nResetDisplayListRenderer(mRenderer); 122 } 123 124 private static native int nCreateRenderer(); 125 private static native int nCreateLayerRenderer(int layer); 126 private static native int nCreateDisplayListRenderer(); 127 private static native void nResetDisplayListRenderer(int renderer); 128 private static native void nDestroyRenderer(int renderer); 129 130 private static final class CanvasFinalizer { 131 private final int mRenderer; 132 133 public CanvasFinalizer(int renderer) { 134 mRenderer = renderer; 135 } 136 137 @Override 138 protected void finalize() throws Throwable { 139 try { 140 nDestroyRenderer(mRenderer); 141 } finally { 142 super.finalize(); 143 } 144 } 145 } 146 147 /////////////////////////////////////////////////////////////////////////// 148 // Hardware layers 149 /////////////////////////////////////////////////////////////////////////// 150 151 @Override 152 void pushLayerUpdate(HardwareLayer layer) { 153 nPushLayerUpdate(mRenderer, ((GLES20RenderLayer) layer).mLayer); 154 } 155 156 @Override 157 void clearLayerUpdates() { 158 nClearLayerUpdates(mRenderer); 159 } 160 161 static native int nCreateTextureLayer(boolean opaque, int[] layerInfo); 162 static native int nCreateLayer(int width, int height, boolean isOpaque, int[] layerInfo); 163 static native boolean nResizeLayer(int layerId, int width, int height, int[] layerInfo); 164 static native void nSetOpaqueLayer(int layerId, boolean isOpaque); 165 static native void nSetLayerPaint(int layerId, int nativePaint); 166 static native void nSetLayerColorFilter(int layerId, int nativeColorFilter); 167 static native void nUpdateTextureLayer(int layerId, int width, int height, boolean opaque, 168 SurfaceTexture surface); 169 static native void nClearLayerTexture(int layerId); 170 static native void nSetTextureLayerTransform(int layerId, int matrix); 171 static native void nDestroyLayer(int layerId); 172 static native void nDestroyLayerDeferred(int layerId); 173 static native void nUpdateRenderLayer(int layerId, int renderer, int displayList, 174 int left, int top, int right, int bottom); 175 static native boolean nCopyLayer(int layerId, int bitmap); 176 177 private static native void nClearLayerUpdates(int renderer); 178 private static native void nPushLayerUpdate(int renderer, int layer); 179 180 /////////////////////////////////////////////////////////////////////////// 181 // Canvas management 182 /////////////////////////////////////////////////////////////////////////// 183 184 @Override 185 public boolean isOpaque() { 186 return mOpaque; 187 } 188 189 @Override 190 public int getWidth() { 191 return mWidth; 192 } 193 194 @Override 195 public int getHeight() { 196 return mHeight; 197 } 198 199 @Override 200 public int getMaximumBitmapWidth() { 201 return nGetMaximumTextureWidth(); 202 } 203 204 @Override 205 public int getMaximumBitmapHeight() { 206 return nGetMaximumTextureHeight(); 207 } 208 209 private static native int nGetMaximumTextureWidth(); 210 private static native int nGetMaximumTextureHeight(); 211 212 /** 213 * Returns the native OpenGLRenderer object. 214 */ 215 int getRenderer() { 216 return mRenderer; 217 } 218 219 /////////////////////////////////////////////////////////////////////////// 220 // Setup 221 /////////////////////////////////////////////////////////////////////////// 222 223 @Override 224 public void setViewport(int width, int height) { 225 mWidth = width; 226 mHeight = height; 227 228 nSetViewport(mRenderer, width, height); 229 } 230 231 private static native void nSetViewport(int renderer, int width, int height); 232 233 @Override 234 public int onPreDraw(Rect dirty) { 235 if (dirty != null) { 236 return nPrepareDirty(mRenderer, dirty.left, dirty.top, dirty.right, dirty.bottom, 237 mOpaque); 238 } else { 239 return nPrepare(mRenderer, mOpaque); 240 } 241 } 242 243 private static native int nPrepare(int renderer, boolean opaque); 244 private static native int nPrepareDirty(int renderer, int left, int top, int right, int bottom, 245 boolean opaque); 246 247 @Override 248 public void onPostDraw() { 249 nFinish(mRenderer); 250 } 251 252 private static native void nFinish(int renderer); 253 254 /** 255 * Returns the size of the stencil buffer required by the underlying 256 * implementation. 257 * 258 * @return The minimum number of bits the stencil buffer must. Always >= 0. 259 * 260 * @hide 261 */ 262 public static int getStencilSize() { 263 return nGetStencilSize(); 264 } 265 266 private static native int nGetStencilSize(); 267 268 /////////////////////////////////////////////////////////////////////////// 269 // Functor 270 /////////////////////////////////////////////////////////////////////////// 271 272 @Override 273 public int callDrawGLFunction(int drawGLFunction) { 274 return nCallDrawGLFunction(mRenderer, drawGLFunction); 275 } 276 277 private static native int nCallDrawGLFunction(int renderer, int drawGLFunction); 278 279 @Override 280 public int invokeFunctors(Rect dirty) { 281 return nInvokeFunctors(mRenderer, dirty); 282 } 283 284 private static native int nInvokeFunctors(int renderer, Rect dirty); 285 286 @Override 287 public void detachFunctor(int functor) { 288 nDetachFunctor(mRenderer, functor); 289 } 290 291 private static native void nDetachFunctor(int renderer, int functor); 292 293 @Override 294 public void attachFunctor(int functor) { 295 nAttachFunctor(mRenderer, functor); 296 } 297 298 private static native void nAttachFunctor(int renderer, int functor); 299 300 /////////////////////////////////////////////////////////////////////////// 301 // Memory 302 /////////////////////////////////////////////////////////////////////////// 303 304 /** 305 * Must match Caches::FlushMode values 306 * 307 * @see #flushCaches(int) 308 */ 309 public static final int FLUSH_CACHES_LAYERS = 0; 310 311 /** 312 * Must match Caches::FlushMode values 313 * 314 * @see #flushCaches(int) 315 */ 316 public static final int FLUSH_CACHES_MODERATE = 1; 317 318 /** 319 * Must match Caches::FlushMode values 320 * 321 * @see #flushCaches(int) 322 */ 323 public static final int FLUSH_CACHES_FULL = 2; 324 325 /** 326 * Flush caches to reclaim as much memory as possible. The amount of memory 327 * to reclaim is indicate by the level parameter. 328 * 329 * The level can be one of {@link #FLUSH_CACHES_MODERATE} or 330 * {@link #FLUSH_CACHES_FULL}. 331 * 332 * @param level Hint about the amount of memory to reclaim 333 * 334 * @hide 335 */ 336 public static void flushCaches(int level) { 337 nFlushCaches(level); 338 } 339 340 private static native void nFlushCaches(int level); 341 342 /** 343 * Release all resources associated with the underlying caches. This should 344 * only be called after a full flushCaches(). 345 * 346 * @hide 347 */ 348 public static void terminateCaches() { 349 nTerminateCaches(); 350 } 351 352 private static native void nTerminateCaches(); 353 354 /** 355 * @hide 356 */ 357 public static void initCaches() { 358 nInitCaches(); 359 } 360 361 private static native void nInitCaches(); 362 363 /////////////////////////////////////////////////////////////////////////// 364 // Display list 365 /////////////////////////////////////////////////////////////////////////// 366 367 int getDisplayList(int displayList) { 368 return nGetDisplayList(mRenderer, displayList); 369 } 370 371 private static native int nGetDisplayList(int renderer, int displayList); 372 373 static void destroyDisplayList(int displayList) { 374 nDestroyDisplayList(displayList); 375 } 376 377 private static native void nDestroyDisplayList(int displayList); 378 379 static int getDisplayListSize(int displayList) { 380 return nGetDisplayListSize(displayList); 381 } 382 383 private static native int nGetDisplayListSize(int displayList); 384 385 static void setDisplayListName(int displayList, String name) { 386 nSetDisplayListName(displayList, name); 387 } 388 389 private static native void nSetDisplayListName(int displayList, String name); 390 391 @Override 392 public int drawDisplayList(DisplayList displayList, Rect dirty, int flags) { 393 return nDrawDisplayList(mRenderer, ((GLES20DisplayList) displayList).getNativeDisplayList(), 394 dirty, flags); 395 } 396 397 private static native int nDrawDisplayList(int renderer, int displayList, 398 Rect dirty, int flags); 399 400 @Override 401 void outputDisplayList(DisplayList displayList) { 402 nOutputDisplayList(mRenderer, ((GLES20DisplayList) displayList).getNativeDisplayList()); 403 } 404 405 private static native void nOutputDisplayList(int renderer, int displayList); 406 407 /////////////////////////////////////////////////////////////////////////// 408 // Hardware layer 409 /////////////////////////////////////////////////////////////////////////// 410 411 void drawHardwareLayer(HardwareLayer layer, float x, float y, Paint paint) { 412 final GLES20Layer glLayer = (GLES20Layer) layer; 413 final int nativePaint = paint == null ? 0 : paint.mNativePaint; 414 nDrawLayer(mRenderer, glLayer.getLayer(), x, y, nativePaint); 415 } 416 417 private static native void nDrawLayer(int renderer, int layer, float x, float y, int paint); 418 419 void interrupt() { 420 nInterrupt(mRenderer); 421 } 422 423 void resume() { 424 nResume(mRenderer); 425 } 426 427 private static native void nInterrupt(int renderer); 428 private static native void nResume(int renderer); 429 430 /////////////////////////////////////////////////////////////////////////// 431 // Clipping 432 /////////////////////////////////////////////////////////////////////////// 433 434 @Override 435 public boolean clipPath(Path path) { 436 // TODO: Implement 437 path.computeBounds(mPathBounds, true); 438 return nClipRect(mRenderer, mPathBounds.left, mPathBounds.top, 439 mPathBounds.right, mPathBounds.bottom, Region.Op.INTERSECT.nativeInt); 440 } 441 442 @Override 443 public boolean clipPath(Path path, Region.Op op) { 444 // TODO: Implement 445 path.computeBounds(mPathBounds, true); 446 return nClipRect(mRenderer, mPathBounds.left, mPathBounds.top, 447 mPathBounds.right, mPathBounds.bottom, op.nativeInt); 448 } 449 450 @Override 451 public boolean clipRect(float left, float top, float right, float bottom) { 452 return nClipRect(mRenderer, left, top, right, bottom, Region.Op.INTERSECT.nativeInt); 453 } 454 455 private static native boolean nClipRect(int renderer, float left, float top, 456 float right, float bottom, int op); 457 458 @Override 459 public boolean clipRect(float left, float top, float right, float bottom, Region.Op op) { 460 return nClipRect(mRenderer, left, top, right, bottom, op.nativeInt); 461 } 462 463 @Override 464 public boolean clipRect(int left, int top, int right, int bottom) { 465 return nClipRect(mRenderer, left, top, right, bottom, Region.Op.INTERSECT.nativeInt); 466 } 467 468 private static native boolean nClipRect(int renderer, int left, int top, int right, int bottom, 469 int op); 470 471 @Override 472 public boolean clipRect(Rect rect) { 473 return nClipRect(mRenderer, rect.left, rect.top, rect.right, rect.bottom, 474 Region.Op.INTERSECT.nativeInt); 475 } 476 477 @Override 478 public boolean clipRect(Rect rect, Region.Op op) { 479 return nClipRect(mRenderer, rect.left, rect.top, rect.right, rect.bottom, op.nativeInt); 480 } 481 482 @Override 483 public boolean clipRect(RectF rect) { 484 return nClipRect(mRenderer, rect.left, rect.top, rect.right, rect.bottom, 485 Region.Op.INTERSECT.nativeInt); 486 } 487 488 @Override 489 public boolean clipRect(RectF rect, Region.Op op) { 490 return nClipRect(mRenderer, rect.left, rect.top, rect.right, rect.bottom, op.nativeInt); 491 } 492 493 @Override 494 public boolean clipRegion(Region region) { 495 // TODO: Implement 496 region.getBounds(mClipBounds); 497 return nClipRect(mRenderer, mClipBounds.left, mClipBounds.top, 498 mClipBounds.right, mClipBounds.bottom, Region.Op.INTERSECT.nativeInt); 499 } 500 501 @Override 502 public boolean clipRegion(Region region, Region.Op op) { 503 // TODO: Implement 504 region.getBounds(mClipBounds); 505 return nClipRect(mRenderer, mClipBounds.left, mClipBounds.top, 506 mClipBounds.right, mClipBounds.bottom, op.nativeInt); 507 } 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 @Override 1017 public void drawPicture(Picture picture) { 1018 if (picture.createdFromStream) { 1019 return; 1020 } 1021 1022 picture.endRecording(); 1023 // TODO: Implement rendering 1024 } 1025 1026 @Override 1027 public void drawPicture(Picture picture, Rect dst) { 1028 if (picture.createdFromStream) { 1029 return; 1030 } 1031 1032 save(); 1033 translate(dst.left, dst.top); 1034 if (picture.getWidth() > 0 && picture.getHeight() > 0) { 1035 scale(dst.width() / picture.getWidth(), dst.height() / picture.getHeight()); 1036 } 1037 drawPicture(picture); 1038 restore(); 1039 } 1040 1041 @Override 1042 public void drawPicture(Picture picture, RectF dst) { 1043 if (picture.createdFromStream) { 1044 return; 1045 } 1046 1047 save(); 1048 translate(dst.left, dst.top); 1049 if (picture.getWidth() > 0 && picture.getHeight() > 0) { 1050 scale(dst.width() / picture.getWidth(), dst.height() / picture.getHeight()); 1051 } 1052 drawPicture(picture); 1053 restore(); 1054 } 1055 1056 @Override 1057 public void drawPoint(float x, float y, Paint paint) { 1058 mPoint[0] = x; 1059 mPoint[1] = y; 1060 drawPoints(mPoint, 0, 2, paint); 1061 } 1062 1063 @Override 1064 public void drawPoints(float[] pts, Paint paint) { 1065 drawPoints(pts, 0, pts.length, paint); 1066 } 1067 1068 @Override 1069 public void drawPoints(float[] pts, int offset, int count, Paint paint) { 1070 int modifiers = setupModifiers(paint, MODIFIER_COLOR_FILTER | MODIFIER_SHADER); 1071 try { 1072 nDrawPoints(mRenderer, pts, offset, count, paint.mNativePaint); 1073 } finally { 1074 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1075 } 1076 } 1077 1078 private static native void nDrawPoints(int renderer, float[] points, 1079 int offset, int count, int paint); 1080 1081 @SuppressWarnings("deprecation") 1082 @Override 1083 public void drawPosText(char[] text, int index, int count, float[] pos, Paint paint) { 1084 if (index < 0 || index + count > text.length || count * 2 > pos.length) { 1085 throw new IndexOutOfBoundsException(); 1086 } 1087 1088 int modifiers = setupModifiers(paint); 1089 try { 1090 nDrawPosText(mRenderer, text, index, count, pos, paint.mNativePaint); 1091 } finally { 1092 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1093 } 1094 } 1095 1096 private static native void nDrawPosText(int renderer, char[] text, int index, int count, 1097 float[] pos, int paint); 1098 1099 @SuppressWarnings("deprecation") 1100 @Override 1101 public void drawPosText(String text, float[] pos, Paint paint) { 1102 if (text.length() * 2 > pos.length) { 1103 throw new ArrayIndexOutOfBoundsException(); 1104 } 1105 1106 int modifiers = setupModifiers(paint); 1107 try { 1108 nDrawPosText(mRenderer, text, 0, text.length(), pos, paint.mNativePaint); 1109 } finally { 1110 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1111 } 1112 } 1113 1114 private static native void nDrawPosText(int renderer, String text, int start, int end, 1115 float[] pos, int paint); 1116 1117 @Override 1118 public void drawRect(float left, float top, float right, float bottom, Paint paint) { 1119 if (left == right || top == bottom) return; 1120 int modifiers = setupModifiers(paint, MODIFIER_COLOR_FILTER | MODIFIER_SHADER); 1121 try { 1122 nDrawRect(mRenderer, left, top, right, bottom, paint.mNativePaint); 1123 } finally { 1124 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1125 } 1126 } 1127 1128 private static native void nDrawRect(int renderer, float left, float top, 1129 float right, float bottom, int paint); 1130 1131 @Override 1132 public void drawRect(Rect r, Paint paint) { 1133 drawRect(r.left, r.top, r.right, r.bottom, paint); 1134 } 1135 1136 @Override 1137 public void drawRect(RectF r, Paint paint) { 1138 drawRect(r.left, r.top, r.right, r.bottom, paint); 1139 } 1140 1141 @Override 1142 public void drawRGB(int r, int g, int b) { 1143 drawColor(0xFF000000 | (r & 0xFF) << 16 | (g & 0xFF) << 8 | (b & 0xFF)); 1144 } 1145 1146 @Override 1147 public void drawRoundRect(RectF rect, float rx, float ry, Paint paint) { 1148 int modifiers = setupModifiers(paint, MODIFIER_COLOR_FILTER | MODIFIER_SHADER); 1149 try { 1150 nDrawRoundRect(mRenderer, rect.left, rect.top, rect.right, rect.bottom, 1151 rx, ry, paint.mNativePaint); 1152 } finally { 1153 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1154 } 1155 } 1156 1157 private static native void nDrawRoundRect(int renderer, float left, float top, 1158 float right, float bottom, float rx, float y, int paint); 1159 1160 @Override 1161 public void drawText(char[] text, int index, int count, float x, float y, Paint paint) { 1162 if ((index | count | (index + count) | (text.length - index - count)) < 0) { 1163 throw new IndexOutOfBoundsException(); 1164 } 1165 1166 int modifiers = setupModifiers(paint); 1167 try { 1168 nDrawText(mRenderer, text, index, count, x, y, paint.mBidiFlags, paint.mNativePaint); 1169 } finally { 1170 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1171 } 1172 } 1173 1174 private static native void nDrawText(int renderer, char[] text, int index, int count, 1175 float x, float y, int bidiFlags, int paint); 1176 1177 @Override 1178 public void drawText(CharSequence text, int start, int end, float x, float y, Paint paint) { 1179 int modifiers = setupModifiers(paint); 1180 try { 1181 if (text instanceof String || text instanceof SpannedString || 1182 text instanceof SpannableString) { 1183 nDrawText(mRenderer, text.toString(), start, end, x, y, paint.mBidiFlags, 1184 paint.mNativePaint); 1185 } else if (text instanceof GraphicsOperations) { 1186 ((GraphicsOperations) text).drawText(this, start, end, x, y, 1187 paint); 1188 } else { 1189 char[] buf = TemporaryBuffer.obtain(end - start); 1190 TextUtils.getChars(text, start, end, buf, 0); 1191 nDrawText(mRenderer, buf, 0, end - start, x, y, 1192 paint.mBidiFlags, paint.mNativePaint); 1193 TemporaryBuffer.recycle(buf); 1194 } 1195 } finally { 1196 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1197 } 1198 } 1199 1200 @Override 1201 public void drawText(String text, int start, int end, float x, float y, Paint paint) { 1202 if ((start | end | (end - start) | (text.length() - end)) < 0) { 1203 throw new IndexOutOfBoundsException(); 1204 } 1205 1206 int modifiers = setupModifiers(paint); 1207 try { 1208 nDrawText(mRenderer, text, start, end, x, y, paint.mBidiFlags, paint.mNativePaint); 1209 } finally { 1210 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1211 } 1212 } 1213 1214 private static native void nDrawText(int renderer, String text, int start, int end, 1215 float x, float y, int bidiFlags, int paint); 1216 1217 @Override 1218 public void drawText(String text, float x, float y, Paint paint) { 1219 int modifiers = setupModifiers(paint); 1220 try { 1221 nDrawText(mRenderer, text, 0, text.length(), x, y, paint.mBidiFlags, 1222 paint.mNativePaint); 1223 } finally { 1224 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1225 } 1226 } 1227 1228 @Override 1229 public void drawTextOnPath(char[] text, int index, int count, Path path, float hOffset, 1230 float vOffset, Paint paint) { 1231 if (index < 0 || index + count > text.length) { 1232 throw new ArrayIndexOutOfBoundsException(); 1233 } 1234 1235 int modifiers = setupModifiers(paint); 1236 try { 1237 nDrawTextOnPath(mRenderer, text, index, count, path.mNativePath, hOffset, vOffset, 1238 paint.mBidiFlags, paint.mNativePaint); 1239 } finally { 1240 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1241 } 1242 } 1243 1244 private static native void nDrawTextOnPath(int renderer, char[] text, int index, int count, 1245 int path, float hOffset, float vOffset, int bidiFlags, int nativePaint); 1246 1247 @Override 1248 public void drawTextOnPath(String text, Path path, float hOffset, float vOffset, Paint paint) { 1249 if (text.length() == 0) return; 1250 1251 int modifiers = setupModifiers(paint); 1252 try { 1253 nDrawTextOnPath(mRenderer, text, 0, text.length(), path.mNativePath, hOffset, vOffset, 1254 paint.mBidiFlags, paint.mNativePaint); 1255 } finally { 1256 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1257 } 1258 } 1259 1260 private static native void nDrawTextOnPath(int renderer, String text, int start, int end, 1261 int path, float hOffset, float vOffset, int bidiFlags, int nativePaint); 1262 1263 @Override 1264 public void drawTextRun(char[] text, int index, int count, int contextIndex, int contextCount, 1265 float x, float y, int dir, Paint paint) { 1266 if ((index | count | text.length - index - count) < 0) { 1267 throw new IndexOutOfBoundsException(); 1268 } 1269 if (dir != DIRECTION_LTR && dir != DIRECTION_RTL) { 1270 throw new IllegalArgumentException("Unknown direction: " + dir); 1271 } 1272 1273 int modifiers = setupModifiers(paint); 1274 try { 1275 nDrawTextRun(mRenderer, text, index, count, contextIndex, contextCount, x, y, dir, 1276 paint.mNativePaint); 1277 } finally { 1278 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1279 } 1280 } 1281 1282 private static native void nDrawTextRun(int renderer, char[] text, int index, int count, 1283 int contextIndex, int contextCount, float x, float y, int dir, int nativePaint); 1284 1285 @Override 1286 public void drawTextRun(CharSequence text, int start, int end, int contextStart, int contextEnd, 1287 float x, float y, int dir, Paint paint) { 1288 if ((start | end | end - start | text.length() - end) < 0) { 1289 throw new IndexOutOfBoundsException(); 1290 } 1291 1292 int modifiers = setupModifiers(paint); 1293 try { 1294 int flags = dir == 0 ? 0 : 1; 1295 if (text instanceof String || text instanceof SpannedString || 1296 text instanceof SpannableString) { 1297 nDrawTextRun(mRenderer, text.toString(), start, end, contextStart, 1298 contextEnd, x, y, flags, paint.mNativePaint); 1299 } else if (text instanceof GraphicsOperations) { 1300 ((GraphicsOperations) text).drawTextRun(this, start, end, 1301 contextStart, contextEnd, x, y, flags, paint); 1302 } else { 1303 int contextLen = contextEnd - contextStart; 1304 int len = end - start; 1305 char[] buf = TemporaryBuffer.obtain(contextLen); 1306 TextUtils.getChars(text, contextStart, contextEnd, buf, 0); 1307 nDrawTextRun(mRenderer, buf, start - contextStart, len, 0, contextLen, 1308 x, y, flags, paint.mNativePaint); 1309 TemporaryBuffer.recycle(buf); 1310 } 1311 } finally { 1312 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1313 } 1314 } 1315 1316 private static native void nDrawTextRun(int renderer, String text, int start, int end, 1317 int contextStart, int contextEnd, float x, float y, int flags, int nativePaint); 1318 1319 @Override 1320 public void drawVertices(VertexMode mode, int vertexCount, float[] verts, int vertOffset, 1321 float[] texs, int texOffset, int[] colors, int colorOffset, short[] indices, 1322 int indexOffset, int indexCount, Paint paint) { 1323 // TODO: Implement 1324 } 1325 1326 private int setupModifiers(Bitmap b, Paint paint) { 1327 if (b.getConfig() != Bitmap.Config.ALPHA_8) { 1328 final ColorFilter filter = paint.getColorFilter(); 1329 if (filter != null) { 1330 nSetupColorFilter(mRenderer, filter.nativeColorFilter); 1331 return MODIFIER_COLOR_FILTER; 1332 } 1333 1334 return MODIFIER_NONE; 1335 } else { 1336 return setupModifiers(paint); 1337 } 1338 } 1339 1340 private int setupModifiers(Paint paint) { 1341 int modifiers = MODIFIER_NONE; 1342 1343 if (paint.hasShadow) { 1344 nSetupShadow(mRenderer, paint.shadowRadius, paint.shadowDx, paint.shadowDy, 1345 paint.shadowColor); 1346 modifiers |= MODIFIER_SHADOW; 1347 } 1348 1349 final Shader shader = paint.getShader(); 1350 if (shader != null) { 1351 nSetupShader(mRenderer, shader.native_shader); 1352 modifiers |= MODIFIER_SHADER; 1353 } 1354 1355 final ColorFilter filter = paint.getColorFilter(); 1356 if (filter != null) { 1357 nSetupColorFilter(mRenderer, filter.nativeColorFilter); 1358 modifiers |= MODIFIER_COLOR_FILTER; 1359 } 1360 1361 return modifiers; 1362 } 1363 1364 private int setupModifiers(Paint paint, int flags) { 1365 int modifiers = MODIFIER_NONE; 1366 1367 if (paint.hasShadow && (flags & MODIFIER_SHADOW) != 0) { 1368 nSetupShadow(mRenderer, paint.shadowRadius, paint.shadowDx, paint.shadowDy, 1369 paint.shadowColor); 1370 modifiers |= MODIFIER_SHADOW; 1371 } 1372 1373 final Shader shader = paint.getShader(); 1374 if (shader != null && (flags & MODIFIER_SHADER) != 0) { 1375 nSetupShader(mRenderer, shader.native_shader); 1376 modifiers |= MODIFIER_SHADER; 1377 } 1378 1379 final ColorFilter filter = paint.getColorFilter(); 1380 if (filter != null && (flags & MODIFIER_COLOR_FILTER) != 0) { 1381 nSetupColorFilter(mRenderer, filter.nativeColorFilter); 1382 modifiers |= MODIFIER_COLOR_FILTER; 1383 } 1384 1385 return modifiers; 1386 } 1387 1388 private int setupColorFilter(Paint paint) { 1389 final ColorFilter filter = paint.getColorFilter(); 1390 if (filter != null) { 1391 nSetupColorFilter(mRenderer, filter.nativeColorFilter); 1392 return MODIFIER_COLOR_FILTER; 1393 } 1394 return MODIFIER_NONE; 1395 } 1396 1397 private static native void nSetupShader(int renderer, int shader); 1398 private static native void nSetupColorFilter(int renderer, int colorFilter); 1399 private static native void nSetupShadow(int renderer, float radius, 1400 float dx, float dy, int color); 1401 1402 private static native void nResetModifiers(int renderer, int modifiers); 1403 } 1404
