GLES20Canvas.java revision 603f6de35f21d74ae242d52d501f4f5c25ff4f4c
1/* 2 * Copyright (C) 2010 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17package android.view; 18 19import android.graphics.Bitmap; 20import android.graphics.Canvas; 21import android.graphics.ColorFilter; 22import android.graphics.DrawFilter; 23import android.graphics.Matrix; 24import android.graphics.Paint; 25import android.graphics.PaintFlagsDrawFilter; 26import android.graphics.Path; 27import android.graphics.Picture; 28import android.graphics.PorterDuff; 29import android.graphics.Rect; 30import android.graphics.RectF; 31import android.graphics.Region; 32import android.graphics.Shader; 33import android.graphics.SurfaceTexture; 34import android.graphics.TemporaryBuffer; 35import android.text.GraphicsOperations; 36import android.text.SpannableString; 37import android.text.SpannedString; 38import android.text.TextUtils; 39 40/** 41 * An implementation of Canvas on top of OpenGL ES 2.0. 42 */ 43class GLES20Canvas extends HardwareCanvas { 44 // Must match modifiers used in the JNI layer 45 private static final int MODIFIER_NONE = 0; 46 private static final int MODIFIER_SHADOW = 1; 47 private static final int MODIFIER_SHADER = 2; 48 private static final int MODIFIER_COLOR_FILTER = 4; 49 50 private final boolean mOpaque; 51 private int mRenderer; 52 53 // The native renderer will be destroyed when this object dies. 54 // DO NOT overwrite this reference once it is set. 55 @SuppressWarnings({"unused", "FieldCanBeLocal"}) 56 private CanvasFinalizer mFinalizer; 57 58 private int mWidth; 59 private int mHeight; 60 61 private final float[] mPoint = new float[2]; 62 private final float[] mLine = new float[4]; 63 64 private final Rect mClipBounds = new Rect(); 65 private final RectF mPathBounds = new RectF(); 66 67 private DrawFilter mFilter; 68 69 /////////////////////////////////////////////////////////////////////////// 70 // JNI 71 /////////////////////////////////////////////////////////////////////////// 72 73 private static native boolean nIsAvailable(); 74 private static boolean sIsAvailable = nIsAvailable(); 75 76 static boolean isAvailable() { 77 return sIsAvailable; 78 } 79 80 /////////////////////////////////////////////////////////////////////////// 81 // Constructors 82 /////////////////////////////////////////////////////////////////////////// 83 84 /** 85 * Creates a canvas to render directly on screen. 86 */ 87 GLES20Canvas(boolean translucent) { 88 this(false, translucent); 89 } 90 91 /** 92 * Creates a canvas to render into an FBO. 93 */ 94 GLES20Canvas(int layer, boolean translucent) { 95 mOpaque = !translucent; 96 mRenderer = nCreateLayerRenderer(layer); 97 setupFinalizer(); 98 } 99 100 protected GLES20Canvas(boolean record, boolean translucent) { 101 mOpaque = !translucent; 102 103 if (record) { 104 mRenderer = nCreateDisplayListRenderer(); 105 } else { 106 mRenderer = nCreateRenderer(); 107 } 108 109 setupFinalizer(); 110 } 111 112 private void setupFinalizer() { 113 if (mRenderer == 0) { 114 throw new IllegalStateException("Could not create GLES20Canvas renderer"); 115 } else { 116 mFinalizer = new CanvasFinalizer(mRenderer); 117 } 118 } 119 120 protected void resetDisplayListRenderer() { 121 nResetDisplayListRenderer(mRenderer); 122 } 123 124 private static native int nCreateRenderer(); 125 private static native int nCreateLayerRenderer(int layer); 126 private static native int nCreateDisplayListRenderer(); 127 private static native void nResetDisplayListRenderer(int renderer); 128 private static native void nDestroyRenderer(int renderer); 129 130 private static final class CanvasFinalizer { 131 private final int mRenderer; 132 133 public CanvasFinalizer(int renderer) { 134 mRenderer = renderer; 135 } 136 137 @Override 138 protected void finalize() throws Throwable { 139 try { 140 nDestroyRenderer(mRenderer); 141 } finally { 142 super.finalize(); 143 } 144 } 145 } 146 147 /////////////////////////////////////////////////////////////////////////// 148 // Hardware layers 149 /////////////////////////////////////////////////////////////////////////// 150 151 static native int nCreateTextureLayer(boolean opaque, int[] layerInfo); 152 static native int nCreateLayer(int width, int height, boolean isOpaque, int[] layerInfo); 153 static native boolean nResizeLayer(int layerId, int width, int height, int[] layerInfo); 154 static native void nSetOpaqueLayer(int layerId, boolean isOpaque); 155 static native void nSetLayerPaint(int layerId, int nativePaint); 156 static native void nSetLayerColorFilter(int layerId, int nativeColorFilter); 157 static native void nUpdateTextureLayer(int layerId, int width, int height, boolean opaque, 158 SurfaceTexture surface); 159 static native void nSetTextureLayerTransform(int layerId, int matrix); 160 static native void nDestroyLayer(int layerId); 161 static native void nDestroyLayerDeferred(int layerId); 162 static native void nUpdateRenderLayer(int layerId, int renderer, int displayList, 163 int left, int top, int right, int bottom); 164 static native boolean nCopyLayer(int layerId, int bitmap); 165 166 /////////////////////////////////////////////////////////////////////////// 167 // Canvas management 168 /////////////////////////////////////////////////////////////////////////// 169 170 @Override 171 public boolean isOpaque() { 172 return mOpaque; 173 } 174 175 @Override 176 public int getWidth() { 177 return mWidth; 178 } 179 180 @Override 181 public int getHeight() { 182 return mHeight; 183 } 184 185 @Override 186 public int getMaximumBitmapWidth() { 187 return nGetMaximumTextureWidth(); 188 } 189 190 @Override 191 public int getMaximumBitmapHeight() { 192 return nGetMaximumTextureHeight(); 193 } 194 195 private static native int nGetMaximumTextureWidth(); 196 private static native int nGetMaximumTextureHeight(); 197 198 /** 199 * Returns the native OpenGLRenderer object. 200 */ 201 int getRenderer() { 202 return mRenderer; 203 } 204 205 /////////////////////////////////////////////////////////////////////////// 206 // Setup 207 /////////////////////////////////////////////////////////////////////////// 208 209 @Override 210 public void setViewport(int width, int height) { 211 mWidth = width; 212 mHeight = height; 213 214 nSetViewport(mRenderer, width, height); 215 } 216 217 private static native void nSetViewport(int renderer, int width, int height); 218 219 @Override 220 public int onPreDraw(Rect dirty) { 221 if (dirty != null) { 222 return nPrepareDirty(mRenderer, dirty.left, dirty.top, dirty.right, dirty.bottom, 223 mOpaque); 224 } else { 225 return nPrepare(mRenderer, mOpaque); 226 } 227 } 228 229 private static native int nPrepare(int renderer, boolean opaque); 230 private static native int nPrepareDirty(int renderer, int left, int top, int right, int bottom, 231 boolean opaque); 232 233 @Override 234 public void onPostDraw() { 235 nFinish(mRenderer); 236 } 237 238 private static native void nFinish(int renderer); 239 240 /** 241 * Returns the size of the stencil buffer required by the underlying 242 * implementation. 243 * 244 * @return The minimum number of bits the stencil buffer must. Always >= 0. 245 * 246 * @hide 247 */ 248 public static int getStencilSize() { 249 return nGetStencilSize(); 250 } 251 252 private static native int nGetStencilSize(); 253 254 /////////////////////////////////////////////////////////////////////////// 255 // Functor 256 /////////////////////////////////////////////////////////////////////////// 257 258 @Override 259 public int callDrawGLFunction(int drawGLFunction) { 260 return nCallDrawGLFunction(mRenderer, drawGLFunction); 261 } 262 263 private static native int nCallDrawGLFunction(int renderer, int drawGLFunction); 264 265 @Override 266 public int invokeFunctors(Rect dirty) { 267 return nInvokeFunctors(mRenderer, dirty); 268 } 269 270 private static native int nInvokeFunctors(int renderer, Rect dirty); 271 272 @Override 273 public void detachFunctor(int functor) { 274 nDetachFunctor(mRenderer, functor); 275 } 276 277 private static native void nDetachFunctor(int renderer, int functor); 278 279 @Override 280 public void attachFunctor(int functor) { 281 nAttachFunctor(mRenderer, functor); 282 } 283 284 private static native void nAttachFunctor(int renderer, int functor); 285 286 /////////////////////////////////////////////////////////////////////////// 287 // Memory 288 /////////////////////////////////////////////////////////////////////////// 289 290 /** 291 * Must match Caches::FlushMode values 292 * 293 * @see #flushCaches(int) 294 */ 295 public static final int FLUSH_CACHES_LAYERS = 0; 296 297 /** 298 * Must match Caches::FlushMode values 299 * 300 * @see #flushCaches(int) 301 */ 302 public static final int FLUSH_CACHES_MODERATE = 1; 303 304 /** 305 * Must match Caches::FlushMode values 306 * 307 * @see #flushCaches(int) 308 */ 309 public static final int FLUSH_CACHES_FULL = 2; 310 311 /** 312 * Flush caches to reclaim as much memory as possible. The amount of memory 313 * to reclaim is indicate by the level parameter. 314 * 315 * The level can be one of {@link #FLUSH_CACHES_MODERATE} or 316 * {@link #FLUSH_CACHES_FULL}. 317 * 318 * @param level Hint about the amount of memory to reclaim 319 * 320 * @hide 321 */ 322 public static void flushCaches(int level) { 323 nFlushCaches(level); 324 } 325 326 private static native void nFlushCaches(int level); 327 328 /** 329 * Release all resources associated with the underlying caches. This should 330 * only be called after a full flushCaches(). 331 * 332 * @hide 333 */ 334 public static void terminateCaches() { 335 nTerminateCaches(); 336 } 337 338 private static native void nTerminateCaches(); 339 340 /** 341 * @hide 342 */ 343 public static void initCaches() { 344 nInitCaches(); 345 } 346 347 private static native void nInitCaches(); 348 349 /////////////////////////////////////////////////////////////////////////// 350 // Display list 351 /////////////////////////////////////////////////////////////////////////// 352 353 int getDisplayList(int displayList) { 354 return nGetDisplayList(mRenderer, displayList); 355 } 356 357 private static native int nGetDisplayList(int renderer, int displayList); 358 359 static void destroyDisplayList(int displayList) { 360 nDestroyDisplayList(displayList); 361 } 362 363 private static native void nDestroyDisplayList(int displayList); 364 365 static int getDisplayListSize(int displayList) { 366 return nGetDisplayListSize(displayList); 367 } 368 369 private static native int nGetDisplayListSize(int displayList); 370 371 static void setDisplayListName(int displayList, String name) { 372 nSetDisplayListName(displayList, name); 373 } 374 375 private static native void nSetDisplayListName(int displayList, String name); 376 377 @Override 378 public int drawDisplayList(DisplayList displayList, Rect dirty, int flags) { 379 return nDrawDisplayList(mRenderer, ((GLES20DisplayList) displayList).getNativeDisplayList(), 380 dirty, flags); 381 } 382 383 private static native int nDrawDisplayList(int renderer, int displayList, 384 Rect dirty, int flags); 385 386 @Override 387 void outputDisplayList(DisplayList displayList) { 388 nOutputDisplayList(mRenderer, ((GLES20DisplayList) displayList).getNativeDisplayList()); 389 } 390 391 private static native void nOutputDisplayList(int renderer, int displayList); 392 393 /////////////////////////////////////////////////////////////////////////// 394 // Hardware layer 395 /////////////////////////////////////////////////////////////////////////// 396 397 void drawHardwareLayer(HardwareLayer layer, float x, float y, Paint paint) { 398 final GLES20Layer glLayer = (GLES20Layer) layer; 399 final int nativePaint = paint == null ? 0 : paint.mNativePaint; 400 nDrawLayer(mRenderer, glLayer.getLayer(), x, y, nativePaint); 401 } 402 403 private static native void nDrawLayer(int renderer, int layer, float x, float y, int paint); 404 405 void interrupt() { 406 nInterrupt(mRenderer); 407 } 408 409 void resume() { 410 nResume(mRenderer); 411 } 412 413 private static native void nInterrupt(int renderer); 414 private static native void nResume(int renderer); 415 416 /////////////////////////////////////////////////////////////////////////// 417 // Clipping 418 /////////////////////////////////////////////////////////////////////////// 419 420 @Override 421 public boolean clipPath(Path path) { 422 // TODO: Implement 423 path.computeBounds(mPathBounds, true); 424 return nClipRect(mRenderer, mPathBounds.left, mPathBounds.top, 425 mPathBounds.right, mPathBounds.bottom, Region.Op.INTERSECT.nativeInt); 426 } 427 428 @Override 429 public boolean clipPath(Path path, Region.Op op) { 430 // TODO: Implement 431 path.computeBounds(mPathBounds, true); 432 return nClipRect(mRenderer, mPathBounds.left, mPathBounds.top, 433 mPathBounds.right, mPathBounds.bottom, op.nativeInt); 434 } 435 436 @Override 437 public boolean clipRect(float left, float top, float right, float bottom) { 438 return nClipRect(mRenderer, left, top, right, bottom, Region.Op.INTERSECT.nativeInt); 439 } 440 441 private static native boolean nClipRect(int renderer, float left, float top, 442 float right, float bottom, int op); 443 444 @Override 445 public boolean clipRect(float left, float top, float right, float bottom, Region.Op op) { 446 return nClipRect(mRenderer, left, top, right, bottom, op.nativeInt); 447 } 448 449 @Override 450 public boolean clipRect(int left, int top, int right, int bottom) { 451 return nClipRect(mRenderer, left, top, right, bottom, Region.Op.INTERSECT.nativeInt); 452 } 453 454 private static native boolean nClipRect(int renderer, int left, int top, int right, int bottom, 455 int op); 456 457 @Override 458 public boolean clipRect(Rect rect) { 459 return nClipRect(mRenderer, rect.left, rect.top, rect.right, rect.bottom, 460 Region.Op.INTERSECT.nativeInt); 461 } 462 463 @Override 464 public boolean clipRect(Rect rect, Region.Op op) { 465 return nClipRect(mRenderer, rect.left, rect.top, rect.right, rect.bottom, op.nativeInt); 466 } 467 468 @Override 469 public boolean clipRect(RectF rect) { 470 return nClipRect(mRenderer, rect.left, rect.top, rect.right, rect.bottom, 471 Region.Op.INTERSECT.nativeInt); 472 } 473 474 @Override 475 public boolean clipRect(RectF rect, Region.Op op) { 476 return nClipRect(mRenderer, rect.left, rect.top, rect.right, rect.bottom, op.nativeInt); 477 } 478 479 @Override 480 public boolean clipRegion(Region region) { 481 // TODO: Implement 482 region.getBounds(mClipBounds); 483 return nClipRect(mRenderer, mClipBounds.left, mClipBounds.top, 484 mClipBounds.right, mClipBounds.bottom, Region.Op.INTERSECT.nativeInt); 485 } 486 487 @Override 488 public boolean clipRegion(Region region, Region.Op op) { 489 // TODO: Implement 490 region.getBounds(mClipBounds); 491 return nClipRect(mRenderer, mClipBounds.left, mClipBounds.top, 492 mClipBounds.right, mClipBounds.bottom, op.nativeInt); 493 } 494 495 @Override 496 public boolean getClipBounds(Rect bounds) { 497 return nGetClipBounds(mRenderer, bounds); 498 } 499 500 private static native boolean nGetClipBounds(int renderer, Rect bounds); 501 502 @Override 503 public boolean quickReject(float left, float top, float right, float bottom, EdgeType type) { 504 return nQuickReject(mRenderer, left, top, right, bottom, type.nativeInt); 505 } 506 507 private static native boolean nQuickReject(int renderer, float left, float top, 508 float right, float bottom, int edge); 509 510 @Override 511 public boolean quickReject(Path path, EdgeType type) { 512 path.computeBounds(mPathBounds, true); 513 return nQuickReject(mRenderer, mPathBounds.left, mPathBounds.top, 514 mPathBounds.right, mPathBounds.bottom, type.nativeInt); 515 } 516 517 @Override 518 public boolean quickReject(RectF rect, EdgeType type) { 519 return nQuickReject(mRenderer, rect.left, rect.top, rect.right, rect.bottom, type.nativeInt); 520 } 521 522 /////////////////////////////////////////////////////////////////////////// 523 // Transformations 524 /////////////////////////////////////////////////////////////////////////// 525 526 @Override 527 public void translate(float dx, float dy) { 528 if (dx != 0.0f || dy != 0.0f) nTranslate(mRenderer, dx, dy); 529 } 530 531 private static native void nTranslate(int renderer, float dx, float dy); 532 533 @Override 534 public void skew(float sx, float sy) { 535 nSkew(mRenderer, sx, sy); 536 } 537 538 private static native void nSkew(int renderer, float sx, float sy); 539 540 @Override 541 public void rotate(float degrees) { 542 nRotate(mRenderer, degrees); 543 } 544 545 private static native void nRotate(int renderer, float degrees); 546 547 @Override 548 public void scale(float sx, float sy) { 549 nScale(mRenderer, sx, sy); 550 } 551 552 private static native void nScale(int renderer, float sx, float sy); 553 554 @Override 555 public void setMatrix(Matrix matrix) { 556 nSetMatrix(mRenderer, matrix == null ? 0 : matrix.native_instance); 557 } 558 559 private static native void nSetMatrix(int renderer, int matrix); 560 561 @SuppressWarnings("deprecation") 562 @Override 563 public void getMatrix(Matrix matrix) { 564 nGetMatrix(mRenderer, matrix.native_instance); 565 } 566 567 private static native void nGetMatrix(int renderer, int matrix); 568 569 @Override 570 public void concat(Matrix matrix) { 571 nConcatMatrix(mRenderer, matrix.native_instance); 572 } 573 574 private static native void nConcatMatrix(int renderer, int matrix); 575 576 /////////////////////////////////////////////////////////////////////////// 577 // State management 578 /////////////////////////////////////////////////////////////////////////// 579 580 @Override 581 public int save() { 582 return nSave(mRenderer, Canvas.CLIP_SAVE_FLAG | Canvas.MATRIX_SAVE_FLAG); 583 } 584 585 @Override 586 public int save(int saveFlags) { 587 return nSave(mRenderer, saveFlags); 588 } 589 590 private static native int nSave(int renderer, int flags); 591 592 @Override 593 public int saveLayer(RectF bounds, Paint paint, int saveFlags) { 594 if (bounds != null) { 595 return saveLayer(bounds.left, bounds.top, bounds.right, bounds.bottom, paint, saveFlags); 596 } 597 598 int count; 599 int modifier = paint != null ? setupColorFilter(paint) : MODIFIER_NONE; 600 try { 601 final int nativePaint = paint == null ? 0 : paint.mNativePaint; 602 count = nSaveLayer(mRenderer, nativePaint, saveFlags); 603 } finally { 604 if (modifier != MODIFIER_NONE) nResetModifiers(mRenderer, modifier); 605 } 606 return count; 607 } 608 609 private static native int nSaveLayer(int renderer, int paint, int saveFlags); 610 611 @Override 612 public int saveLayer(float left, float top, float right, float bottom, Paint paint, 613 int saveFlags) { 614 if (left < right && top < bottom) { 615 int count; 616 int modifier = paint != null ? setupColorFilter(paint) : MODIFIER_NONE; 617 try { 618 final int nativePaint = paint == null ? 0 : paint.mNativePaint; 619 count = nSaveLayer(mRenderer, left, top, right, bottom, nativePaint, saveFlags); 620 } finally { 621 if (modifier != MODIFIER_NONE) nResetModifiers(mRenderer, modifier); 622 } 623 return count; 624 } 625 return save(saveFlags); 626 } 627 628 private static native int nSaveLayer(int renderer, float left, float top, 629 float right, float bottom, int paint, int saveFlags); 630 631 @Override 632 public int saveLayerAlpha(RectF bounds, int alpha, int saveFlags) { 633 if (bounds != null) { 634 return saveLayerAlpha(bounds.left, bounds.top, bounds.right, bounds.bottom, 635 alpha, saveFlags); 636 } 637 return nSaveLayerAlpha(mRenderer, alpha, saveFlags); 638 } 639 640 private static native int nSaveLayerAlpha(int renderer, int alpha, int saveFlags); 641 642 @Override 643 public int saveLayerAlpha(float left, float top, float right, float bottom, int alpha, 644 int saveFlags) { 645 if (left < right && top < bottom) { 646 return nSaveLayerAlpha(mRenderer, left, top, right, bottom, alpha, saveFlags); 647 } 648 return save(saveFlags); 649 } 650 651 private static native int nSaveLayerAlpha(int renderer, float left, float top, float right, 652 float bottom, int alpha, int saveFlags); 653 654 @Override 655 public void restore() { 656 nRestore(mRenderer); 657 } 658 659 private static native void nRestore(int renderer); 660 661 @Override 662 public void restoreToCount(int saveCount) { 663 nRestoreToCount(mRenderer, saveCount); 664 } 665 666 private static native void nRestoreToCount(int renderer, int saveCount); 667 668 @Override 669 public int getSaveCount() { 670 return nGetSaveCount(mRenderer); 671 } 672 673 private static native int nGetSaveCount(int renderer); 674 675 /////////////////////////////////////////////////////////////////////////// 676 // Filtering 677 /////////////////////////////////////////////////////////////////////////// 678 679 @Override 680 public void setDrawFilter(DrawFilter filter) { 681 mFilter = filter; 682 if (filter == null) { 683 nResetPaintFilter(mRenderer); 684 } else if (filter instanceof PaintFlagsDrawFilter) { 685 PaintFlagsDrawFilter flagsFilter = (PaintFlagsDrawFilter) filter; 686 nSetupPaintFilter(mRenderer, flagsFilter.clearBits, flagsFilter.setBits); 687 } 688 } 689 690 private static native void nResetPaintFilter(int renderer); 691 private static native void nSetupPaintFilter(int renderer, int clearBits, int setBits); 692 693 @Override 694 public DrawFilter getDrawFilter() { 695 return mFilter; 696 } 697 698 /////////////////////////////////////////////////////////////////////////// 699 // Drawing 700 /////////////////////////////////////////////////////////////////////////// 701 702 @Override 703 public void drawArc(RectF oval, float startAngle, float sweepAngle, boolean useCenter, 704 Paint paint) { 705 int modifiers = setupModifiers(paint, MODIFIER_COLOR_FILTER | MODIFIER_SHADER); 706 try { 707 nDrawArc(mRenderer, oval.left, oval.top, oval.right, oval.bottom, 708 startAngle, sweepAngle, useCenter, paint.mNativePaint); 709 } finally { 710 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 711 } 712 } 713 714 private static native void nDrawArc(int renderer, float left, float top, 715 float right, float bottom, float startAngle, float sweepAngle, 716 boolean useCenter, int paint); 717 718 @Override 719 public void drawARGB(int a, int r, int g, int b) { 720 drawColor((a & 0xFF) << 24 | (r & 0xFF) << 16 | (g & 0xFF) << 8 | (b & 0xFF)); 721 } 722 723 @Override 724 public void drawPatch(Bitmap bitmap, byte[] chunks, RectF dst, Paint paint) { 725 if (bitmap.isRecycled()) throw new IllegalArgumentException("Cannot draw recycled bitmaps"); 726 // Shaders are ignored when drawing patches 727 int modifier = paint != null ? setupColorFilter(paint) : MODIFIER_NONE; 728 try { 729 final int nativePaint = paint == null ? 0 : paint.mNativePaint; 730 nDrawPatch(mRenderer, bitmap.mNativeBitmap, bitmap.mBuffer, chunks, 731 dst.left, dst.top, dst.right, dst.bottom, nativePaint); 732 } finally { 733 if (modifier != MODIFIER_NONE) nResetModifiers(mRenderer, modifier); 734 } 735 } 736 737 private static native void nDrawPatch(int renderer, int bitmap, byte[] buffer, byte[] chunks, 738 float left, float top, float right, float bottom, int paint); 739 740 @Override 741 public void drawBitmap(Bitmap bitmap, float left, float top, Paint paint) { 742 if (bitmap.isRecycled()) throw new IllegalArgumentException("Cannot draw recycled bitmaps"); 743 // Shaders are ignored when drawing bitmaps 744 int modifiers = paint != null ? setupModifiers(bitmap, paint) : MODIFIER_NONE; 745 try { 746 final int nativePaint = paint == null ? 0 : paint.mNativePaint; 747 nDrawBitmap(mRenderer, bitmap.mNativeBitmap, bitmap.mBuffer, left, top, nativePaint); 748 } finally { 749 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 750 } 751 } 752 753 private static native void nDrawBitmap( 754 int renderer, int bitmap, byte[] buffer, float left, float top, int paint); 755 756 @Override 757 public void drawBitmap(Bitmap bitmap, Matrix matrix, Paint paint) { 758 if (bitmap.isRecycled()) throw new IllegalArgumentException("Cannot draw recycled bitmaps"); 759 // Shaders are ignored when drawing bitmaps 760 int modifiers = paint != null ? setupModifiers(bitmap, paint) : MODIFIER_NONE; 761 try { 762 final int nativePaint = paint == null ? 0 : paint.mNativePaint; 763 nDrawBitmap(mRenderer, bitmap.mNativeBitmap, bitmap.mBuffer, 764 matrix.native_instance, nativePaint); 765 } finally { 766 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 767 } 768 } 769 770 private static native void nDrawBitmap(int renderer, int bitmap, byte[] buff, 771 int matrix, int paint); 772 773 @Override 774 public void drawBitmap(Bitmap bitmap, Rect src, Rect dst, Paint paint) { 775 if (bitmap.isRecycled()) throw new IllegalArgumentException("Cannot draw recycled bitmaps"); 776 // Shaders are ignored when drawing bitmaps 777 int modifiers = paint != null ? setupModifiers(bitmap, paint) : MODIFIER_NONE; 778 try { 779 final int nativePaint = paint == null ? 0 : paint.mNativePaint; 780 781 int left, top, right, bottom; 782 if (src == null) { 783 left = top = 0; 784 right = bitmap.getWidth(); 785 bottom = bitmap.getHeight(); 786 } else { 787 left = src.left; 788 right = src.right; 789 top = src.top; 790 bottom = src.bottom; 791 } 792 793 nDrawBitmap(mRenderer, bitmap.mNativeBitmap, bitmap.mBuffer, left, top, right, bottom, 794 dst.left, dst.top, dst.right, dst.bottom, nativePaint); 795 } finally { 796 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 797 } 798 } 799 800 @Override 801 public void drawBitmap(Bitmap bitmap, Rect src, RectF dst, Paint paint) { 802 if (bitmap.isRecycled()) throw new IllegalArgumentException("Cannot draw recycled bitmaps"); 803 // Shaders are ignored when drawing bitmaps 804 int modifiers = paint != null ? setupModifiers(bitmap, paint) : MODIFIER_NONE; 805 try { 806 final int nativePaint = paint == null ? 0 : paint.mNativePaint; 807 808 float left, top, right, bottom; 809 if (src == null) { 810 left = top = 0; 811 right = bitmap.getWidth(); 812 bottom = bitmap.getHeight(); 813 } else { 814 left = src.left; 815 right = src.right; 816 top = src.top; 817 bottom = src.bottom; 818 } 819 820 nDrawBitmap(mRenderer, bitmap.mNativeBitmap, bitmap.mBuffer, left, top, right, bottom, 821 dst.left, dst.top, dst.right, dst.bottom, nativePaint); 822 } finally { 823 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 824 } 825 } 826 827 private static native void nDrawBitmap(int renderer, int bitmap, byte[] buffer, 828 float srcLeft, float srcTop, float srcRight, float srcBottom, 829 float left, float top, float right, float bottom, int paint); 830 831 @Override 832 public void drawBitmap(int[] colors, int offset, int stride, float x, float y, 833 int width, int height, boolean hasAlpha, Paint paint) { 834 if (width < 0) { 835 throw new IllegalArgumentException("width must be >= 0"); 836 } 837 838 if (height < 0) { 839 throw new IllegalArgumentException("height must be >= 0"); 840 } 841 842 if (Math.abs(stride) < width) { 843 throw new IllegalArgumentException("abs(stride) must be >= width"); 844 } 845 846 int lastScanline = offset + (height - 1) * stride; 847 int length = colors.length; 848 849 if (offset < 0 || (offset + width > length) || lastScanline < 0 || 850 (lastScanline + width > length)) { 851 throw new ArrayIndexOutOfBoundsException(); 852 } 853 854 // Shaders are ignored when drawing bitmaps 855 int modifier = paint != null ? setupColorFilter(paint) : MODIFIER_NONE; 856 try { 857 final int nativePaint = paint == null ? 0 : paint.mNativePaint; 858 nDrawBitmap(mRenderer, colors, offset, stride, x, y, 859 width, height, hasAlpha, nativePaint); 860 } finally { 861 if (modifier != MODIFIER_NONE) nResetModifiers(mRenderer, modifier); 862 } 863 } 864 865 private static native void nDrawBitmap(int renderer, int[] colors, int offset, int stride, 866 float x, float y, int width, int height, boolean hasAlpha, int nativePaint); 867 868 @Override 869 public void drawBitmap(int[] colors, int offset, int stride, int x, int y, 870 int width, int height, boolean hasAlpha, Paint paint) { 871 // Shaders are ignored when drawing bitmaps 872 drawBitmap(colors, offset, stride, (float) x, (float) y, width, height, hasAlpha, paint); 873 } 874 875 @Override 876 public void drawBitmapMesh(Bitmap bitmap, int meshWidth, int meshHeight, float[] verts, 877 int vertOffset, int[] colors, int colorOffset, Paint paint) { 878 if (bitmap.isRecycled()) throw new IllegalArgumentException("Cannot draw recycled bitmaps"); 879 if (meshWidth < 0 || meshHeight < 0 || vertOffset < 0 || colorOffset < 0) { 880 throw new ArrayIndexOutOfBoundsException(); 881 } 882 883 if (meshWidth == 0 || meshHeight == 0) { 884 return; 885 } 886 887 final int count = (meshWidth + 1) * (meshHeight + 1); 888 checkRange(verts.length, vertOffset, count * 2); 889 890 // TODO: Colors are ignored for now 891 colors = null; 892 colorOffset = 0; 893 894 int modifiers = paint != null ? setupModifiers(bitmap, paint) : MODIFIER_NONE; 895 try { 896 final int nativePaint = paint == null ? 0 : paint.mNativePaint; 897 nDrawBitmapMesh(mRenderer, bitmap.mNativeBitmap, bitmap.mBuffer, meshWidth, meshHeight, 898 verts, vertOffset, colors, colorOffset, nativePaint); 899 } finally { 900 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 901 } 902 } 903 904 private static native void nDrawBitmapMesh(int renderer, int bitmap, byte[] buffer, 905 int meshWidth, int meshHeight, float[] verts, int vertOffset, 906 int[] colors, int colorOffset, int paint); 907 908 @Override 909 public void drawCircle(float cx, float cy, float radius, Paint paint) { 910 int modifiers = setupModifiers(paint, MODIFIER_COLOR_FILTER | MODIFIER_SHADER); 911 try { 912 nDrawCircle(mRenderer, cx, cy, radius, paint.mNativePaint); 913 } finally { 914 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 915 } 916 } 917 918 private static native void nDrawCircle(int renderer, float cx, float cy, 919 float radius, int paint); 920 921 @Override 922 public void drawColor(int color) { 923 drawColor(color, PorterDuff.Mode.SRC_OVER); 924 } 925 926 @Override 927 public void drawColor(int color, PorterDuff.Mode mode) { 928 nDrawColor(mRenderer, color, mode.nativeInt); 929 } 930 931 private static native void nDrawColor(int renderer, int color, int mode); 932 933 @Override 934 public void drawLine(float startX, float startY, float stopX, float stopY, Paint paint) { 935 mLine[0] = startX; 936 mLine[1] = startY; 937 mLine[2] = stopX; 938 mLine[3] = stopY; 939 drawLines(mLine, 0, 4, paint); 940 } 941 942 @Override 943 public void drawLines(float[] pts, int offset, int count, Paint paint) { 944 if ((offset | count) < 0 || offset + count > pts.length) { 945 throw new IllegalArgumentException("The lines array must contain 4 elements per line."); 946 } 947 int modifiers = setupModifiers(paint, MODIFIER_COLOR_FILTER | MODIFIER_SHADER); 948 try { 949 nDrawLines(mRenderer, pts, offset, count, paint.mNativePaint); 950 } finally { 951 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 952 } 953 } 954 955 private static native void nDrawLines(int renderer, float[] points, 956 int offset, int count, int paint); 957 958 @Override 959 public void drawLines(float[] pts, Paint paint) { 960 drawLines(pts, 0, pts.length, paint); 961 } 962 963 @Override 964 public void drawOval(RectF oval, Paint paint) { 965 int modifiers = setupModifiers(paint, MODIFIER_COLOR_FILTER | MODIFIER_SHADER); 966 try { 967 nDrawOval(mRenderer, oval.left, oval.top, oval.right, oval.bottom, paint.mNativePaint); 968 } finally { 969 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 970 } 971 } 972 973 private static native void nDrawOval(int renderer, float left, float top, 974 float right, float bottom, int paint); 975 976 @Override 977 public void drawPaint(Paint paint) { 978 final Rect r = mClipBounds; 979 nGetClipBounds(mRenderer, r); 980 drawRect(r.left, r.top, r.right, r.bottom, paint); 981 } 982 983 @Override 984 public void drawPath(Path path, Paint paint) { 985 int modifiers = setupModifiers(paint, MODIFIER_COLOR_FILTER | MODIFIER_SHADER); 986 try { 987 if (path.isSimplePath) { 988 if (path.rects != null) { 989 nDrawRects(mRenderer, path.rects.mNativeRegion, paint.mNativePaint); 990 } 991 } else { 992 nDrawPath(mRenderer, path.mNativePath, paint.mNativePaint); 993 } 994 } finally { 995 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 996 } 997 } 998 999 private static native void nDrawPath(int renderer, int path, int paint); 1000 private static native void nDrawRects(int renderer, int region, int paint); 1001 1002 @Override 1003 public void drawPicture(Picture picture) { 1004 if (picture.createdFromStream) { 1005 return; 1006 } 1007 1008 picture.endRecording(); 1009 // TODO: Implement rendering 1010 } 1011 1012 @Override 1013 public void drawPicture(Picture picture, Rect dst) { 1014 if (picture.createdFromStream) { 1015 return; 1016 } 1017 1018 save(); 1019 translate(dst.left, dst.top); 1020 if (picture.getWidth() > 0 && picture.getHeight() > 0) { 1021 scale(dst.width() / picture.getWidth(), dst.height() / picture.getHeight()); 1022 } 1023 drawPicture(picture); 1024 restore(); 1025 } 1026 1027 @Override 1028 public void drawPicture(Picture picture, RectF dst) { 1029 if (picture.createdFromStream) { 1030 return; 1031 } 1032 1033 save(); 1034 translate(dst.left, dst.top); 1035 if (picture.getWidth() > 0 && picture.getHeight() > 0) { 1036 scale(dst.width() / picture.getWidth(), dst.height() / picture.getHeight()); 1037 } 1038 drawPicture(picture); 1039 restore(); 1040 } 1041 1042 @Override 1043 public void drawPoint(float x, float y, Paint paint) { 1044 mPoint[0] = x; 1045 mPoint[1] = y; 1046 drawPoints(mPoint, 0, 2, paint); 1047 } 1048 1049 @Override 1050 public void drawPoints(float[] pts, Paint paint) { 1051 drawPoints(pts, 0, pts.length, paint); 1052 } 1053 1054 @Override 1055 public void drawPoints(float[] pts, int offset, int count, Paint paint) { 1056 int modifiers = setupModifiers(paint, MODIFIER_COLOR_FILTER | MODIFIER_SHADER); 1057 try { 1058 nDrawPoints(mRenderer, pts, offset, count, paint.mNativePaint); 1059 } finally { 1060 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1061 } 1062 } 1063 1064 private static native void nDrawPoints(int renderer, float[] points, 1065 int offset, int count, int paint); 1066 1067 @SuppressWarnings("deprecation") 1068 @Override 1069 public void drawPosText(char[] text, int index, int count, float[] pos, Paint paint) { 1070 if (index < 0 || index + count > text.length || count * 2 > pos.length) { 1071 throw new IndexOutOfBoundsException(); 1072 } 1073 1074 int modifiers = setupModifiers(paint); 1075 try { 1076 nDrawPosText(mRenderer, text, index, count, pos, paint.mNativePaint); 1077 } finally { 1078 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1079 } 1080 } 1081 1082 private static native void nDrawPosText(int renderer, char[] text, int index, int count, 1083 float[] pos, int paint); 1084 1085 @SuppressWarnings("deprecation") 1086 @Override 1087 public void drawPosText(String text, float[] pos, Paint paint) { 1088 if (text.length() * 2 > pos.length) { 1089 throw new ArrayIndexOutOfBoundsException(); 1090 } 1091 1092 int modifiers = setupModifiers(paint); 1093 try { 1094 nDrawPosText(mRenderer, text, 0, text.length(), pos, paint.mNativePaint); 1095 } finally { 1096 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1097 } 1098 } 1099 1100 private static native void nDrawPosText(int renderer, String text, int start, int end, 1101 float[] pos, int paint); 1102 1103 @Override 1104 public void drawRect(float left, float top, float right, float bottom, Paint paint) { 1105 if (left == right || top == bottom) return; 1106 int modifiers = setupModifiers(paint, MODIFIER_COLOR_FILTER | MODIFIER_SHADER); 1107 try { 1108 nDrawRect(mRenderer, left, top, right, bottom, paint.mNativePaint); 1109 } finally { 1110 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1111 } 1112 } 1113 1114 private static native void nDrawRect(int renderer, float left, float top, 1115 float right, float bottom, int paint); 1116 1117 @Override 1118 public void drawRect(Rect r, Paint paint) { 1119 drawRect(r.left, r.top, r.right, r.bottom, paint); 1120 } 1121 1122 @Override 1123 public void drawRect(RectF r, Paint paint) { 1124 drawRect(r.left, r.top, r.right, r.bottom, paint); 1125 } 1126 1127 @Override 1128 public void drawRGB(int r, int g, int b) { 1129 drawColor(0xFF000000 | (r & 0xFF) << 16 | (g & 0xFF) << 8 | (b & 0xFF)); 1130 } 1131 1132 @Override 1133 public void drawRoundRect(RectF rect, float rx, float ry, Paint paint) { 1134 int modifiers = setupModifiers(paint, MODIFIER_COLOR_FILTER | MODIFIER_SHADER); 1135 try { 1136 nDrawRoundRect(mRenderer, rect.left, rect.top, rect.right, rect.bottom, 1137 rx, ry, paint.mNativePaint); 1138 } finally { 1139 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1140 } 1141 } 1142 1143 private static native void nDrawRoundRect(int renderer, float left, float top, 1144 float right, float bottom, float rx, float y, int paint); 1145 1146 @Override 1147 public void drawText(char[] text, int index, int count, float x, float y, Paint paint) { 1148 if ((index | count | (index + count) | (text.length - index - count)) < 0) { 1149 throw new IndexOutOfBoundsException(); 1150 } 1151 1152 int modifiers = setupModifiers(paint); 1153 try { 1154 nDrawText(mRenderer, text, index, count, x, y, paint.mBidiFlags, paint.mNativePaint); 1155 } finally { 1156 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1157 } 1158 } 1159 1160 private static native void nDrawText(int renderer, char[] text, int index, int count, 1161 float x, float y, int bidiFlags, int paint); 1162 1163 @Override 1164 public void drawText(CharSequence text, int start, int end, float x, float y, Paint paint) { 1165 int modifiers = setupModifiers(paint); 1166 try { 1167 if (text instanceof String || text instanceof SpannedString || 1168 text instanceof SpannableString) { 1169 nDrawText(mRenderer, text.toString(), start, end, x, y, paint.mBidiFlags, 1170 paint.mNativePaint); 1171 } else if (text instanceof GraphicsOperations) { 1172 ((GraphicsOperations) text).drawText(this, start, end, x, y, 1173 paint); 1174 } else { 1175 char[] buf = TemporaryBuffer.obtain(end - start); 1176 TextUtils.getChars(text, start, end, buf, 0); 1177 nDrawText(mRenderer, buf, 0, end - start, x, y, 1178 paint.mBidiFlags, paint.mNativePaint); 1179 TemporaryBuffer.recycle(buf); 1180 } 1181 } finally { 1182 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1183 } 1184 } 1185 1186 @Override 1187 public void drawText(String text, int start, int end, float x, float y, Paint paint) { 1188 if ((start | end | (end - start) | (text.length() - end)) < 0) { 1189 throw new IndexOutOfBoundsException(); 1190 } 1191 1192 int modifiers = setupModifiers(paint); 1193 try { 1194 nDrawText(mRenderer, text, start, end, x, y, paint.mBidiFlags, paint.mNativePaint); 1195 } finally { 1196 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1197 } 1198 } 1199 1200 private static native void nDrawText(int renderer, String text, int start, int end, 1201 float x, float y, int bidiFlags, int paint); 1202 1203 @Override 1204 public void drawText(String text, float x, float y, Paint paint) { 1205 int modifiers = setupModifiers(paint); 1206 try { 1207 nDrawText(mRenderer, text, 0, text.length(), x, y, paint.mBidiFlags, 1208 paint.mNativePaint); 1209 } finally { 1210 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1211 } 1212 } 1213 1214 @Override 1215 public void drawTextOnPath(char[] text, int index, int count, Path path, float hOffset, 1216 float vOffset, Paint paint) { 1217 if (index < 0 || index + count > text.length) { 1218 throw new ArrayIndexOutOfBoundsException(); 1219 } 1220 1221 int modifiers = setupModifiers(paint); 1222 try { 1223 nDrawTextOnPath(mRenderer, text, index, count, path.mNativePath, hOffset, vOffset, 1224 paint.mBidiFlags, paint.mNativePaint); 1225 } finally { 1226 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1227 } 1228 } 1229 1230 private static native void nDrawTextOnPath(int renderer, char[] text, int index, int count, 1231 int path, float hOffset, float vOffset, int bidiFlags, int nativePaint); 1232 1233 @Override 1234 public void drawTextOnPath(String text, Path path, float hOffset, float vOffset, Paint paint) { 1235 if (text.length() == 0) return; 1236 1237 int modifiers = setupModifiers(paint); 1238 try { 1239 nDrawTextOnPath(mRenderer, text, 0, text.length(), path.mNativePath, hOffset, vOffset, 1240 paint.mBidiFlags, paint.mNativePaint); 1241 } finally { 1242 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1243 } 1244 } 1245 1246 private static native void nDrawTextOnPath(int renderer, String text, int start, int end, 1247 int path, float hOffset, float vOffset, int bidiFlags, int nativePaint); 1248 1249 @Override 1250 public void drawTextRun(char[] text, int index, int count, int contextIndex, int contextCount, 1251 float x, float y, int dir, Paint paint) { 1252 if ((index | count | text.length - index - count) < 0) { 1253 throw new IndexOutOfBoundsException(); 1254 } 1255 if (dir != DIRECTION_LTR && dir != DIRECTION_RTL) { 1256 throw new IllegalArgumentException("Unknown direction: " + dir); 1257 } 1258 1259 int modifiers = setupModifiers(paint); 1260 try { 1261 nDrawTextRun(mRenderer, text, index, count, contextIndex, contextCount, x, y, dir, 1262 paint.mNativePaint); 1263 } finally { 1264 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1265 } 1266 } 1267 1268 private static native void nDrawTextRun(int renderer, char[] text, int index, int count, 1269 int contextIndex, int contextCount, float x, float y, int dir, int nativePaint); 1270 1271 @Override 1272 public void drawTextRun(CharSequence text, int start, int end, int contextStart, int contextEnd, 1273 float x, float y, int dir, Paint paint) { 1274 if ((start | end | end - start | text.length() - end) < 0) { 1275 throw new IndexOutOfBoundsException(); 1276 } 1277 1278 int modifiers = setupModifiers(paint); 1279 try { 1280 int flags = dir == 0 ? 0 : 1; 1281 if (text instanceof String || text instanceof SpannedString || 1282 text instanceof SpannableString) { 1283 nDrawTextRun(mRenderer, text.toString(), start, end, contextStart, 1284 contextEnd, x, y, flags, paint.mNativePaint); 1285 } else if (text instanceof GraphicsOperations) { 1286 ((GraphicsOperations) text).drawTextRun(this, start, end, 1287 contextStart, contextEnd, x, y, flags, paint); 1288 } else { 1289 int contextLen = contextEnd - contextStart; 1290 int len = end - start; 1291 char[] buf = TemporaryBuffer.obtain(contextLen); 1292 TextUtils.getChars(text, contextStart, contextEnd, buf, 0); 1293 nDrawTextRun(mRenderer, buf, start - contextStart, len, 0, contextLen, 1294 x, y, flags, paint.mNativePaint); 1295 TemporaryBuffer.recycle(buf); 1296 } 1297 } finally { 1298 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1299 } 1300 } 1301 1302 private static native void nDrawTextRun(int renderer, String text, int start, int end, 1303 int contextStart, int contextEnd, float x, float y, int flags, int nativePaint); 1304 1305 @Override 1306 public void drawVertices(VertexMode mode, int vertexCount, float[] verts, int vertOffset, 1307 float[] texs, int texOffset, int[] colors, int colorOffset, short[] indices, 1308 int indexOffset, int indexCount, Paint paint) { 1309 // TODO: Implement 1310 } 1311 1312 private int setupModifiers(Bitmap b, Paint paint) { 1313 if (b.getConfig() != Bitmap.Config.ALPHA_8) { 1314 final ColorFilter filter = paint.getColorFilter(); 1315 if (filter != null) { 1316 nSetupColorFilter(mRenderer, filter.nativeColorFilter); 1317 return MODIFIER_COLOR_FILTER; 1318 } 1319 1320 return MODIFIER_NONE; 1321 } else { 1322 return setupModifiers(paint); 1323 } 1324 } 1325 1326 private int setupModifiers(Paint paint) { 1327 int modifiers = MODIFIER_NONE; 1328 1329 if (paint.hasShadow) { 1330 nSetupShadow(mRenderer, paint.shadowRadius, paint.shadowDx, paint.shadowDy, 1331 paint.shadowColor); 1332 modifiers |= MODIFIER_SHADOW; 1333 } 1334 1335 final Shader shader = paint.getShader(); 1336 if (shader != null) { 1337 nSetupShader(mRenderer, shader.native_shader); 1338 modifiers |= MODIFIER_SHADER; 1339 } 1340 1341 final ColorFilter filter = paint.getColorFilter(); 1342 if (filter != null) { 1343 nSetupColorFilter(mRenderer, filter.nativeColorFilter); 1344 modifiers |= MODIFIER_COLOR_FILTER; 1345 } 1346 1347 return modifiers; 1348 } 1349 1350 private int setupModifiers(Paint paint, int flags) { 1351 int modifiers = MODIFIER_NONE; 1352 1353 if (paint.hasShadow && (flags & MODIFIER_SHADOW) != 0) { 1354 nSetupShadow(mRenderer, paint.shadowRadius, paint.shadowDx, paint.shadowDy, 1355 paint.shadowColor); 1356 modifiers |= MODIFIER_SHADOW; 1357 } 1358 1359 final Shader shader = paint.getShader(); 1360 if (shader != null && (flags & MODIFIER_SHADER) != 0) { 1361 nSetupShader(mRenderer, shader.native_shader); 1362 modifiers |= MODIFIER_SHADER; 1363 } 1364 1365 final ColorFilter filter = paint.getColorFilter(); 1366 if (filter != null && (flags & MODIFIER_COLOR_FILTER) != 0) { 1367 nSetupColorFilter(mRenderer, filter.nativeColorFilter); 1368 modifiers |= MODIFIER_COLOR_FILTER; 1369 } 1370 1371 return modifiers; 1372 } 1373 1374 private int setupColorFilter(Paint paint) { 1375 final ColorFilter filter = paint.getColorFilter(); 1376 if (filter != null) { 1377 nSetupColorFilter(mRenderer, filter.nativeColorFilter); 1378 return MODIFIER_COLOR_FILTER; 1379 } 1380 return MODIFIER_NONE; 1381 } 1382 1383 private static native void nSetupShader(int renderer, int shader); 1384 private static native void nSetupColorFilter(int renderer, int colorFilter); 1385 private static native void nSetupShadow(int renderer, float radius, 1386 float dx, float dy, int color); 1387 1388 private static native void nResetModifiers(int renderer, int modifiers); 1389} 1390