GLES20Canvas.java revision 78dd96d5af20f489f0e8b288617d57774ec284f7
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.NinePatch; 25import android.graphics.Paint; 26import android.graphics.PaintFlagsDrawFilter; 27import android.graphics.Path; 28import android.graphics.Picture; 29import android.graphics.PorterDuff; 30import android.graphics.Rect; 31import android.graphics.RectF; 32import android.graphics.Region; 33import android.graphics.Shader; 34import android.graphics.SurfaceTexture; 35import android.graphics.TemporaryBuffer; 36import android.text.GraphicsOperations; 37import android.text.SpannableString; 38import android.text.SpannedString; 39import android.text.TextUtils; 40 41/** 42 * An implementation of Canvas on top of OpenGL ES 2.0. 43 */ 44class GLES20Canvas extends HardwareCanvas { 45 // Must match modifiers used in the JNI layer 46 private static final int MODIFIER_NONE = 0; 47 private static final int MODIFIER_SHADOW = 1; 48 private static final int MODIFIER_SHADER = 2; 49 private static final int MODIFIER_COLOR_FILTER = 4; 50 51 private final boolean mOpaque; 52 private int mRenderer; 53 54 // The native renderer will be destroyed when this object dies. 55 // DO NOT overwrite this reference once it is set. 56 @SuppressWarnings({"unused", "FieldCanBeLocal"}) 57 private CanvasFinalizer mFinalizer; 58 59 private int mWidth; 60 private int mHeight; 61 62 private final float[] mPoint = new float[2]; 63 private final float[] mLine = new float[4]; 64 65 private final Rect mClipBounds = new Rect(); 66 private final RectF mPathBounds = new RectF(); 67 68 private DrawFilter mFilter; 69 70 /////////////////////////////////////////////////////////////////////////// 71 // JNI 72 /////////////////////////////////////////////////////////////////////////// 73 74 private static native boolean nIsAvailable(); 75 private static boolean sIsAvailable = nIsAvailable(); 76 77 static boolean isAvailable() { 78 return sIsAvailable; 79 } 80 81 /////////////////////////////////////////////////////////////////////////// 82 // Constructors 83 /////////////////////////////////////////////////////////////////////////// 84 85 /** 86 * Creates a canvas to render directly on screen. 87 */ 88 GLES20Canvas(boolean translucent) { 89 this(false, translucent); 90 } 91 92 /** 93 * Creates a canvas to render into an FBO. 94 */ 95 GLES20Canvas(int layer, boolean translucent) { 96 mOpaque = !translucent; 97 mRenderer = nCreateLayerRenderer(layer); 98 setupFinalizer(); 99 } 100 101 protected GLES20Canvas(boolean record, boolean translucent) { 102 mOpaque = !translucent; 103 104 if (record) { 105 mRenderer = nCreateDisplayListRenderer(); 106 } else { 107 mRenderer = nCreateRenderer(); 108 } 109 110 setupFinalizer(); 111 } 112 113 private void setupFinalizer() { 114 if (mRenderer == 0) { 115 throw new IllegalStateException("Could not create GLES20Canvas renderer"); 116 } else { 117 mFinalizer = new CanvasFinalizer(mRenderer); 118 } 119 } 120 121 protected void resetDisplayListRenderer() { 122 nResetDisplayListRenderer(mRenderer); 123 } 124 125 private static native int nCreateRenderer(); 126 private static native int nCreateLayerRenderer(int layer); 127 private static native int nCreateDisplayListRenderer(); 128 private static native void nResetDisplayListRenderer(int renderer); 129 private static native void nDestroyRenderer(int renderer); 130 131 private static final class CanvasFinalizer { 132 private final int mRenderer; 133 134 public CanvasFinalizer(int renderer) { 135 mRenderer = renderer; 136 } 137 138 @Override 139 protected void finalize() throws Throwable { 140 try { 141 nDestroyRenderer(mRenderer); 142 } finally { 143 super.finalize(); 144 } 145 } 146 } 147 148 @Override 149 public void setName(String name) { 150 super.setName(name); 151 nSetName(mRenderer, name); 152 } 153 154 private static native void nSetName(int renderer, String name); 155 156 /////////////////////////////////////////////////////////////////////////// 157 // Hardware layers 158 /////////////////////////////////////////////////////////////////////////// 159 160 @Override 161 void pushLayerUpdate(HardwareLayer layer) { 162 nPushLayerUpdate(mRenderer, ((GLES20RenderLayer) layer).mLayer); 163 } 164 165 @Override 166 void clearLayerUpdates() { 167 nClearLayerUpdates(mRenderer); 168 } 169 170 static native int nCreateTextureLayer(boolean opaque, int[] layerInfo); 171 static native int nCreateLayer(int width, int height, boolean isOpaque, int[] layerInfo); 172 static native boolean nResizeLayer(int layerId, int width, int height, int[] layerInfo); 173 static native void nSetOpaqueLayer(int layerId, boolean isOpaque); 174 static native void nSetLayerPaint(int layerId, int nativePaint); 175 static native void nSetLayerColorFilter(int layerId, int nativeColorFilter); 176 static native void nUpdateTextureLayer(int layerId, int width, int height, boolean opaque, 177 SurfaceTexture surface); 178 static native void nClearLayerTexture(int layerId); 179 static native void nSetTextureLayerTransform(int layerId, int matrix); 180 static native void nDestroyLayer(int layerId); 181 static native void nDestroyLayerDeferred(int layerId); 182 static native void nUpdateRenderLayer(int layerId, int renderer, int displayList, 183 int left, int top, int right, int bottom); 184 static native boolean nCopyLayer(int layerId, int bitmap); 185 186 private static native void nClearLayerUpdates(int renderer); 187 private static native void nPushLayerUpdate(int renderer, int layer); 188 189 /////////////////////////////////////////////////////////////////////////// 190 // Canvas management 191 /////////////////////////////////////////////////////////////////////////// 192 193 @Override 194 public boolean isOpaque() { 195 return mOpaque; 196 } 197 198 @Override 199 public int getWidth() { 200 return mWidth; 201 } 202 203 @Override 204 public int getHeight() { 205 return mHeight; 206 } 207 208 @Override 209 public int getMaximumBitmapWidth() { 210 return nGetMaximumTextureWidth(); 211 } 212 213 @Override 214 public int getMaximumBitmapHeight() { 215 return nGetMaximumTextureHeight(); 216 } 217 218 private static native int nGetMaximumTextureWidth(); 219 private static native int nGetMaximumTextureHeight(); 220 221 /** 222 * Returns the native OpenGLRenderer object. 223 */ 224 int getRenderer() { 225 return mRenderer; 226 } 227 228 /////////////////////////////////////////////////////////////////////////// 229 // Setup 230 /////////////////////////////////////////////////////////////////////////// 231 232 @Override 233 public void setViewport(int width, int height) { 234 mWidth = width; 235 mHeight = height; 236 237 nSetViewport(mRenderer, width, height); 238 } 239 240 private static native void nSetViewport(int renderer, int width, int height); 241 242 @Override 243 public int onPreDraw(Rect dirty) { 244 if (dirty != null) { 245 return nPrepareDirty(mRenderer, dirty.left, dirty.top, dirty.right, dirty.bottom, 246 mOpaque); 247 } else { 248 return nPrepare(mRenderer, mOpaque); 249 } 250 } 251 252 private static native int nPrepare(int renderer, boolean opaque); 253 private static native int nPrepareDirty(int renderer, int left, int top, int right, int bottom, 254 boolean opaque); 255 256 @Override 257 public void onPostDraw() { 258 nFinish(mRenderer); 259 } 260 261 private static native void nFinish(int renderer); 262 263 /** 264 * Returns the size of the stencil buffer required by the underlying 265 * implementation. 266 * 267 * @return The minimum number of bits the stencil buffer must. Always >= 0. 268 * 269 * @hide 270 */ 271 public static int getStencilSize() { 272 return nGetStencilSize(); 273 } 274 275 private static native int nGetStencilSize(); 276 277 void setCountOverdrawEnabled(boolean enabled) { 278 nSetCountOverdrawEnabled(mRenderer, enabled); 279 } 280 281 static native void nSetCountOverdrawEnabled(int renderer, boolean enabled); 282 283 float getOverdraw() { 284 return nGetOverdraw(mRenderer); 285 } 286 287 static native float nGetOverdraw(int renderer); 288 289 /////////////////////////////////////////////////////////////////////////// 290 // Functor 291 /////////////////////////////////////////////////////////////////////////// 292 293 @Override 294 public int callDrawGLFunction(int drawGLFunction) { 295 return nCallDrawGLFunction(mRenderer, drawGLFunction); 296 } 297 298 private static native int nCallDrawGLFunction(int renderer, int drawGLFunction); 299 300 @Override 301 public int invokeFunctors(Rect dirty) { 302 return nInvokeFunctors(mRenderer, dirty); 303 } 304 305 private static native int nInvokeFunctors(int renderer, Rect dirty); 306 307 @Override 308 public void detachFunctor(int functor) { 309 nDetachFunctor(mRenderer, functor); 310 } 311 312 private static native void nDetachFunctor(int renderer, int functor); 313 314 @Override 315 public void attachFunctor(int functor) { 316 nAttachFunctor(mRenderer, functor); 317 } 318 319 private static native void nAttachFunctor(int renderer, int functor); 320 321 /////////////////////////////////////////////////////////////////////////// 322 // Memory 323 /////////////////////////////////////////////////////////////////////////// 324 325 /** 326 * Must match Caches::FlushMode values 327 * 328 * @see #flushCaches(int) 329 */ 330 static final int FLUSH_CACHES_LAYERS = 0; 331 332 /** 333 * Must match Caches::FlushMode values 334 * 335 * @see #flushCaches(int) 336 */ 337 static final int FLUSH_CACHES_MODERATE = 1; 338 339 /** 340 * Must match Caches::FlushMode values 341 * 342 * @see #flushCaches(int) 343 */ 344 static final int FLUSH_CACHES_FULL = 2; 345 346 /** 347 * Flush caches to reclaim as much memory as possible. The amount of memory 348 * to reclaim is indicate by the level parameter. 349 * 350 * The level can be one of {@link #FLUSH_CACHES_MODERATE} or 351 * {@link #FLUSH_CACHES_FULL}. 352 * 353 * @param level Hint about the amount of memory to reclaim 354 */ 355 static void flushCaches(int level) { 356 nFlushCaches(level); 357 } 358 359 private static native void nFlushCaches(int level); 360 361 /** 362 * Release all resources associated with the underlying caches. This should 363 * only be called after a full flushCaches(). 364 * 365 * @hide 366 */ 367 static void terminateCaches() { 368 nTerminateCaches(); 369 } 370 371 private static native void nTerminateCaches(); 372 373 static boolean initCaches() { 374 return nInitCaches(); 375 } 376 377 private static native boolean nInitCaches(); 378 379 /////////////////////////////////////////////////////////////////////////// 380 // Atlas 381 /////////////////////////////////////////////////////////////////////////// 382 383 static void initAtlas(GraphicBuffer buffer, int[] map) { 384 nInitAtlas(buffer, map, map.length); 385 } 386 387 private static native void nInitAtlas(GraphicBuffer buffer, int[] map, int count); 388 389 /////////////////////////////////////////////////////////////////////////// 390 // Display list 391 /////////////////////////////////////////////////////////////////////////// 392 393 int getDisplayList(int displayList) { 394 return nGetDisplayList(mRenderer, displayList); 395 } 396 397 private static native int nGetDisplayList(int renderer, int displayList); 398 399 @Override 400 void outputDisplayList(DisplayList displayList) { 401 nOutputDisplayList(mRenderer, ((GLES20DisplayList) displayList).getNativeDisplayList()); 402 } 403 404 private static native void nOutputDisplayList(int renderer, int displayList); 405 406 @Override 407 public int drawDisplayList(DisplayList displayList, Rect dirty, int flags) { 408 return nDrawDisplayList(mRenderer, ((GLES20DisplayList) displayList).getNativeDisplayList(), 409 dirty, flags); 410 } 411 412 private static native int nDrawDisplayList(int renderer, int displayList, 413 Rect dirty, int flags); 414 415 /////////////////////////////////////////////////////////////////////////// 416 // Hardware layer 417 /////////////////////////////////////////////////////////////////////////// 418 419 void drawHardwareLayer(HardwareLayer layer, float x, float y, Paint paint) { 420 layer.setLayerPaint(paint); 421 422 final GLES20Layer glLayer = (GLES20Layer) layer; 423 nDrawLayer(mRenderer, glLayer.getLayer(), x, y); 424 } 425 426 private static native void nDrawLayer(int renderer, int layer, float x, float y); 427 428 void interrupt() { 429 nInterrupt(mRenderer); 430 } 431 432 void resume() { 433 nResume(mRenderer); 434 } 435 436 private static native void nInterrupt(int renderer); 437 private static native void nResume(int renderer); 438 439 /////////////////////////////////////////////////////////////////////////// 440 // Clipping 441 /////////////////////////////////////////////////////////////////////////// 442 443 @Override 444 public boolean clipPath(Path path) { 445 return nClipPath(mRenderer, path.mNativePath, Region.Op.INTERSECT.nativeInt); 446 } 447 448 @Override 449 public boolean clipPath(Path path, Region.Op op) { 450 return nClipPath(mRenderer, path.mNativePath, op.nativeInt); 451 } 452 453 private static native boolean nClipPath(int renderer, int path, int op); 454 455 @Override 456 public boolean clipRect(float left, float top, float right, float bottom) { 457 return nClipRect(mRenderer, left, top, right, bottom, Region.Op.INTERSECT.nativeInt); 458 } 459 460 private static native boolean nClipRect(int renderer, float left, float top, 461 float right, float bottom, int op); 462 463 @Override 464 public boolean clipRect(float left, float top, float right, float bottom, Region.Op op) { 465 return nClipRect(mRenderer, left, top, right, bottom, op.nativeInt); 466 } 467 468 @Override 469 public boolean clipRect(int left, int top, int right, int bottom) { 470 return nClipRect(mRenderer, left, top, right, bottom, Region.Op.INTERSECT.nativeInt); 471 } 472 473 private static native boolean nClipRect(int renderer, int left, int top, 474 int right, int bottom, int op); 475 476 @Override 477 public boolean clipRect(Rect rect) { 478 return nClipRect(mRenderer, rect.left, rect.top, rect.right, rect.bottom, 479 Region.Op.INTERSECT.nativeInt); 480 } 481 482 @Override 483 public boolean clipRect(Rect rect, Region.Op op) { 484 return nClipRect(mRenderer, rect.left, rect.top, rect.right, rect.bottom, op.nativeInt); 485 } 486 487 @Override 488 public boolean clipRect(RectF rect) { 489 return nClipRect(mRenderer, rect.left, rect.top, rect.right, rect.bottom, 490 Region.Op.INTERSECT.nativeInt); 491 } 492 493 @Override 494 public boolean clipRect(RectF rect, Region.Op op) { 495 return nClipRect(mRenderer, rect.left, rect.top, rect.right, rect.bottom, op.nativeInt); 496 } 497 498 @Override 499 public boolean clipRegion(Region region) { 500 return nClipRegion(mRenderer, region.mNativeRegion, Region.Op.INTERSECT.nativeInt); 501 } 502 503 @Override 504 public boolean clipRegion(Region region, Region.Op op) { 505 return nClipRegion(mRenderer, region.mNativeRegion, op.nativeInt); 506 } 507 508 private static native boolean nClipRegion(int renderer, int region, int op); 509 510 @Override 511 public boolean getClipBounds(Rect bounds) { 512 return nGetClipBounds(mRenderer, bounds); 513 } 514 515 private static native boolean nGetClipBounds(int renderer, Rect bounds); 516 517 @Override 518 public boolean quickReject(float left, float top, float right, float bottom, EdgeType type) { 519 return nQuickReject(mRenderer, left, top, right, bottom); 520 } 521 522 private static native boolean nQuickReject(int renderer, float left, float top, 523 float right, float bottom); 524 525 @Override 526 public boolean quickReject(Path path, EdgeType type) { 527 path.computeBounds(mPathBounds, true); 528 return nQuickReject(mRenderer, mPathBounds.left, mPathBounds.top, 529 mPathBounds.right, mPathBounds.bottom); 530 } 531 532 @Override 533 public boolean quickReject(RectF rect, EdgeType type) { 534 return nQuickReject(mRenderer, rect.left, rect.top, rect.right, rect.bottom); 535 } 536 537 /////////////////////////////////////////////////////////////////////////// 538 // Transformations 539 /////////////////////////////////////////////////////////////////////////// 540 541 @Override 542 public void translate(float dx, float dy) { 543 if (dx != 0.0f || dy != 0.0f) nTranslate(mRenderer, dx, dy); 544 } 545 546 private static native void nTranslate(int renderer, float dx, float dy); 547 548 @Override 549 public void skew(float sx, float sy) { 550 nSkew(mRenderer, sx, sy); 551 } 552 553 private static native void nSkew(int renderer, float sx, float sy); 554 555 @Override 556 public void rotate(float degrees) { 557 nRotate(mRenderer, degrees); 558 } 559 560 private static native void nRotate(int renderer, float degrees); 561 562 @Override 563 public void scale(float sx, float sy) { 564 nScale(mRenderer, sx, sy); 565 } 566 567 private static native void nScale(int renderer, float sx, float sy); 568 569 @Override 570 public void setMatrix(Matrix matrix) { 571 nSetMatrix(mRenderer, matrix == null ? 0 : matrix.native_instance); 572 } 573 574 private static native void nSetMatrix(int renderer, int matrix); 575 576 @SuppressWarnings("deprecation") 577 @Override 578 public void getMatrix(Matrix matrix) { 579 nGetMatrix(mRenderer, matrix.native_instance); 580 } 581 582 private static native void nGetMatrix(int renderer, int matrix); 583 584 @Override 585 public void concat(Matrix matrix) { 586 nConcatMatrix(mRenderer, matrix.native_instance); 587 } 588 589 private static native void nConcatMatrix(int renderer, int matrix); 590 591 /////////////////////////////////////////////////////////////////////////// 592 // State management 593 /////////////////////////////////////////////////////////////////////////// 594 595 @Override 596 public int save() { 597 return nSave(mRenderer, Canvas.CLIP_SAVE_FLAG | Canvas.MATRIX_SAVE_FLAG); 598 } 599 600 @Override 601 public int save(int saveFlags) { 602 return nSave(mRenderer, saveFlags); 603 } 604 605 private static native int nSave(int renderer, int flags); 606 607 @Override 608 public int saveLayer(RectF bounds, Paint paint, int saveFlags) { 609 if (bounds != null) { 610 return saveLayer(bounds.left, bounds.top, bounds.right, bounds.bottom, paint, saveFlags); 611 } 612 613 int count; 614 int modifier = paint != null ? setupColorFilter(paint) : MODIFIER_NONE; 615 try { 616 final int nativePaint = paint == null ? 0 : paint.mNativePaint; 617 count = nSaveLayer(mRenderer, nativePaint, saveFlags); 618 } finally { 619 if (modifier != MODIFIER_NONE) nResetModifiers(mRenderer, modifier); 620 } 621 return count; 622 } 623 624 private static native int nSaveLayer(int renderer, int paint, int saveFlags); 625 626 @Override 627 public int saveLayer(float left, float top, float right, float bottom, Paint paint, 628 int saveFlags) { 629 if (left < right && top < bottom) { 630 int count; 631 int modifier = paint != null ? setupColorFilter(paint) : MODIFIER_NONE; 632 try { 633 final int nativePaint = paint == null ? 0 : paint.mNativePaint; 634 count = nSaveLayer(mRenderer, left, top, right, bottom, nativePaint, saveFlags); 635 } finally { 636 if (modifier != MODIFIER_NONE) nResetModifiers(mRenderer, modifier); 637 } 638 return count; 639 } 640 return save(saveFlags); 641 } 642 643 private static native int nSaveLayer(int renderer, float left, float top, 644 float right, float bottom, int paint, int saveFlags); 645 646 @Override 647 public int saveLayerAlpha(RectF bounds, int alpha, int saveFlags) { 648 if (bounds != null) { 649 return saveLayerAlpha(bounds.left, bounds.top, bounds.right, bounds.bottom, 650 alpha, saveFlags); 651 } 652 return nSaveLayerAlpha(mRenderer, alpha, saveFlags); 653 } 654 655 private static native int nSaveLayerAlpha(int renderer, int alpha, int saveFlags); 656 657 @Override 658 public int saveLayerAlpha(float left, float top, float right, float bottom, int alpha, 659 int saveFlags) { 660 if (left < right && top < bottom) { 661 return nSaveLayerAlpha(mRenderer, left, top, right, bottom, alpha, saveFlags); 662 } 663 return save(saveFlags); 664 } 665 666 private static native int nSaveLayerAlpha(int renderer, float left, float top, float right, 667 float bottom, int alpha, int saveFlags); 668 669 @Override 670 public void restore() { 671 nRestore(mRenderer); 672 } 673 674 private static native void nRestore(int renderer); 675 676 @Override 677 public void restoreToCount(int saveCount) { 678 nRestoreToCount(mRenderer, saveCount); 679 } 680 681 private static native void nRestoreToCount(int renderer, int saveCount); 682 683 @Override 684 public int getSaveCount() { 685 return nGetSaveCount(mRenderer); 686 } 687 688 private static native int nGetSaveCount(int renderer); 689 690 /////////////////////////////////////////////////////////////////////////// 691 // Filtering 692 /////////////////////////////////////////////////////////////////////////// 693 694 @Override 695 public void setDrawFilter(DrawFilter filter) { 696 mFilter = filter; 697 if (filter == null) { 698 nResetPaintFilter(mRenderer); 699 } else if (filter instanceof PaintFlagsDrawFilter) { 700 PaintFlagsDrawFilter flagsFilter = (PaintFlagsDrawFilter) filter; 701 nSetupPaintFilter(mRenderer, flagsFilter.clearBits, flagsFilter.setBits); 702 } 703 } 704 705 private static native void nResetPaintFilter(int renderer); 706 private static native void nSetupPaintFilter(int renderer, int clearBits, int setBits); 707 708 @Override 709 public DrawFilter getDrawFilter() { 710 return mFilter; 711 } 712 713 /////////////////////////////////////////////////////////////////////////// 714 // Drawing 715 /////////////////////////////////////////////////////////////////////////// 716 717 @Override 718 public void drawArc(RectF oval, float startAngle, float sweepAngle, boolean useCenter, 719 Paint paint) { 720 int modifiers = setupModifiers(paint, MODIFIER_COLOR_FILTER | MODIFIER_SHADER); 721 try { 722 nDrawArc(mRenderer, oval.left, oval.top, oval.right, oval.bottom, 723 startAngle, sweepAngle, useCenter, paint.mNativePaint); 724 } finally { 725 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 726 } 727 } 728 729 private static native void nDrawArc(int renderer, float left, float top, 730 float right, float bottom, float startAngle, float sweepAngle, 731 boolean useCenter, int paint); 732 733 @Override 734 public void drawARGB(int a, int r, int g, int b) { 735 drawColor((a & 0xFF) << 24 | (r & 0xFF) << 16 | (g & 0xFF) << 8 | (b & 0xFF)); 736 } 737 738 @Override 739 public void drawPatch(NinePatch patch, RectF dst, Paint paint) { 740 Bitmap bitmap = patch.getBitmap(); 741 if (bitmap.isRecycled()) throw new IllegalArgumentException("Cannot draw recycled bitmaps"); 742 // Shaders are ignored when drawing patches 743 int modifier = paint != null ? setupColorFilter(paint) : MODIFIER_NONE; 744 try { 745 final int nativePaint = paint == null ? 0 : paint.mNativePaint; 746 nDrawPatch(mRenderer, bitmap.mNativeBitmap, patch.mChunk, 747 dst.left, dst.top, dst.right, dst.bottom, nativePaint); 748 } finally { 749 if (modifier != MODIFIER_NONE) nResetModifiers(mRenderer, modifier); 750 } 751 } 752 753 private static native void nDrawPatch(int renderer, int bitmap, byte[] chunks, 754 float left, float top, float right, float bottom, int paint); 755 756 @Override 757 public void drawBitmap(Bitmap bitmap, float left, float top, 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, left, top, nativePaint); 764 } finally { 765 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 766 } 767 } 768 769 private static native void nDrawBitmap(int renderer, int bitmap, 770 float left, float top, int paint); 771 772 @Override 773 public void drawBitmap(Bitmap bitmap, Matrix matrix, Paint paint) { 774 if (bitmap.isRecycled()) throw new IllegalArgumentException("Cannot draw recycled bitmaps"); 775 // Shaders are ignored when drawing bitmaps 776 int modifiers = paint != null ? setupModifiers(bitmap, paint) : MODIFIER_NONE; 777 try { 778 final int nativePaint = paint == null ? 0 : paint.mNativePaint; 779 nDrawBitmap(mRenderer, bitmap.mNativeBitmap, matrix.native_instance, nativePaint); 780 } finally { 781 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 782 } 783 } 784 785 private static native void nDrawBitmap(int renderer, int bitmap, 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, 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, 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, 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 if (colors != null) { 905 checkRange(colors.length, colorOffset, count); 906 } 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, 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, 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 (count < 4) return; 959 960 if ((offset | count) < 0 || offset + count > pts.length) { 961 throw new IllegalArgumentException("The lines array must contain 4 elements per line."); 962 } 963 int modifiers = setupModifiers(paint, MODIFIER_COLOR_FILTER | MODIFIER_SHADER); 964 try { 965 nDrawLines(mRenderer, pts, offset, count, paint.mNativePaint); 966 } finally { 967 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 968 } 969 } 970 971 private static native void nDrawLines(int renderer, float[] points, 972 int offset, int count, int paint); 973 974 @Override 975 public void drawLines(float[] pts, Paint paint) { 976 drawLines(pts, 0, pts.length, paint); 977 } 978 979 @Override 980 public void drawOval(RectF oval, Paint paint) { 981 int modifiers = setupModifiers(paint, MODIFIER_COLOR_FILTER | MODIFIER_SHADER); 982 try { 983 nDrawOval(mRenderer, oval.left, oval.top, oval.right, oval.bottom, paint.mNativePaint); 984 } finally { 985 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 986 } 987 } 988 989 private static native void nDrawOval(int renderer, float left, float top, 990 float right, float bottom, int paint); 991 992 @Override 993 public void drawPaint(Paint paint) { 994 final Rect r = mClipBounds; 995 nGetClipBounds(mRenderer, r); 996 drawRect(r.left, r.top, r.right, r.bottom, paint); 997 } 998 999 @Override 1000 public void drawPath(Path path, Paint paint) { 1001 int modifiers = setupModifiers(paint, MODIFIER_COLOR_FILTER | MODIFIER_SHADER); 1002 try { 1003 if (path.isSimplePath) { 1004 if (path.rects != null) { 1005 nDrawRects(mRenderer, path.rects.mNativeRegion, paint.mNativePaint); 1006 } 1007 } else { 1008 nDrawPath(mRenderer, path.mNativePath, paint.mNativePaint); 1009 } 1010 } finally { 1011 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1012 } 1013 } 1014 1015 private static native void nDrawPath(int renderer, int path, int paint); 1016 private static native void nDrawRects(int renderer, int region, int paint); 1017 1018 void drawRects(float[] rects, int count, Paint paint) { 1019 int modifiers = setupModifiers(paint, MODIFIER_COLOR_FILTER | MODIFIER_SHADER); 1020 try { 1021 nDrawRects(mRenderer, rects, count, paint.mNativePaint); 1022 } finally { 1023 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1024 } 1025 } 1026 1027 private static native void nDrawRects(int renderer, float[] rects, int count, int paint); 1028 1029 @Override 1030 public void drawPicture(Picture picture) { 1031 if (picture.createdFromStream) { 1032 return; 1033 } 1034 1035 picture.endRecording(); 1036 // TODO: Implement rendering 1037 } 1038 1039 @Override 1040 public void drawPicture(Picture picture, Rect dst) { 1041 if (picture.createdFromStream) { 1042 return; 1043 } 1044 1045 save(); 1046 translate(dst.left, dst.top); 1047 if (picture.getWidth() > 0 && picture.getHeight() > 0) { 1048 scale(dst.width() / picture.getWidth(), dst.height() / picture.getHeight()); 1049 } 1050 drawPicture(picture); 1051 restore(); 1052 } 1053 1054 @Override 1055 public void drawPicture(Picture picture, RectF dst) { 1056 if (picture.createdFromStream) { 1057 return; 1058 } 1059 1060 save(); 1061 translate(dst.left, dst.top); 1062 if (picture.getWidth() > 0 && picture.getHeight() > 0) { 1063 scale(dst.width() / picture.getWidth(), dst.height() / picture.getHeight()); 1064 } 1065 drawPicture(picture); 1066 restore(); 1067 } 1068 1069 @Override 1070 public void drawPoint(float x, float y, Paint paint) { 1071 mPoint[0] = x; 1072 mPoint[1] = y; 1073 drawPoints(mPoint, 0, 2, paint); 1074 } 1075 1076 @Override 1077 public void drawPoints(float[] pts, Paint paint) { 1078 drawPoints(pts, 0, pts.length, paint); 1079 } 1080 1081 @Override 1082 public void drawPoints(float[] pts, int offset, int count, Paint paint) { 1083 if (count < 2) return; 1084 1085 int modifiers = setupModifiers(paint, MODIFIER_COLOR_FILTER | MODIFIER_SHADER); 1086 try { 1087 nDrawPoints(mRenderer, pts, offset, count, paint.mNativePaint); 1088 } finally { 1089 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1090 } 1091 } 1092 1093 private static native void nDrawPoints(int renderer, float[] points, 1094 int offset, int count, int paint); 1095 1096 @SuppressWarnings("deprecation") 1097 @Override 1098 public void drawPosText(char[] text, int index, int count, float[] pos, Paint paint) { 1099 if (index < 0 || index + count > text.length || count * 2 > pos.length) { 1100 throw new IndexOutOfBoundsException(); 1101 } 1102 1103 int modifiers = setupModifiers(paint); 1104 try { 1105 nDrawPosText(mRenderer, text, index, count, pos, paint.mNativePaint); 1106 } finally { 1107 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1108 } 1109 } 1110 1111 private static native void nDrawPosText(int renderer, char[] text, int index, int count, 1112 float[] pos, int paint); 1113 1114 @SuppressWarnings("deprecation") 1115 @Override 1116 public void drawPosText(String text, float[] pos, Paint paint) { 1117 if (text.length() * 2 > pos.length) { 1118 throw new ArrayIndexOutOfBoundsException(); 1119 } 1120 1121 int modifiers = setupModifiers(paint); 1122 try { 1123 nDrawPosText(mRenderer, text, 0, text.length(), pos, paint.mNativePaint); 1124 } finally { 1125 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1126 } 1127 } 1128 1129 private static native void nDrawPosText(int renderer, String text, int start, int end, 1130 float[] pos, int paint); 1131 1132 @Override 1133 public void drawRect(float left, float top, float right, float bottom, Paint paint) { 1134 if (left == right || top == bottom) return; 1135 int modifiers = setupModifiers(paint, MODIFIER_COLOR_FILTER | MODIFIER_SHADER); 1136 try { 1137 nDrawRect(mRenderer, left, top, right, bottom, paint.mNativePaint); 1138 } finally { 1139 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1140 } 1141 } 1142 1143 private static native void nDrawRect(int renderer, float left, float top, 1144 float right, float bottom, int paint); 1145 1146 @Override 1147 public void drawRect(Rect r, Paint paint) { 1148 drawRect(r.left, r.top, r.right, r.bottom, paint); 1149 } 1150 1151 @Override 1152 public void drawRect(RectF r, Paint paint) { 1153 drawRect(r.left, r.top, r.right, r.bottom, paint); 1154 } 1155 1156 @Override 1157 public void drawRGB(int r, int g, int b) { 1158 drawColor(0xFF000000 | (r & 0xFF) << 16 | (g & 0xFF) << 8 | (b & 0xFF)); 1159 } 1160 1161 @Override 1162 public void drawRoundRect(RectF rect, float rx, float ry, Paint paint) { 1163 int modifiers = setupModifiers(paint, MODIFIER_COLOR_FILTER | MODIFIER_SHADER); 1164 try { 1165 nDrawRoundRect(mRenderer, rect.left, rect.top, rect.right, rect.bottom, 1166 rx, ry, paint.mNativePaint); 1167 } finally { 1168 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1169 } 1170 } 1171 1172 private static native void nDrawRoundRect(int renderer, float left, float top, 1173 float right, float bottom, float rx, float y, int paint); 1174 1175 @Override 1176 public void drawText(char[] text, int index, int count, float x, float y, Paint paint) { 1177 if ((index | count | (index + count) | (text.length - index - count)) < 0) { 1178 throw new IndexOutOfBoundsException(); 1179 } 1180 1181 int modifiers = setupModifiers(paint); 1182 try { 1183 nDrawText(mRenderer, text, index, count, x, y, paint.mBidiFlags, paint.mNativePaint); 1184 } finally { 1185 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1186 } 1187 } 1188 1189 private static native void nDrawText(int renderer, char[] text, int index, int count, 1190 float x, float y, int bidiFlags, int paint); 1191 1192 @Override 1193 public void drawText(CharSequence text, int start, int end, float x, float y, Paint paint) { 1194 int modifiers = setupModifiers(paint); 1195 try { 1196 if (text instanceof String || text instanceof SpannedString || 1197 text instanceof SpannableString) { 1198 nDrawText(mRenderer, text.toString(), start, end, x, y, paint.mBidiFlags, 1199 paint.mNativePaint); 1200 } else if (text instanceof GraphicsOperations) { 1201 ((GraphicsOperations) text).drawText(this, start, end, x, y, 1202 paint); 1203 } else { 1204 char[] buf = TemporaryBuffer.obtain(end - start); 1205 TextUtils.getChars(text, start, end, buf, 0); 1206 nDrawText(mRenderer, buf, 0, end - start, x, y, 1207 paint.mBidiFlags, paint.mNativePaint); 1208 TemporaryBuffer.recycle(buf); 1209 } 1210 } finally { 1211 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1212 } 1213 } 1214 1215 @Override 1216 public void drawText(String text, int start, int end, float x, float y, Paint paint) { 1217 if ((start | end | (end - start) | (text.length() - end)) < 0) { 1218 throw new IndexOutOfBoundsException(); 1219 } 1220 1221 int modifiers = setupModifiers(paint); 1222 try { 1223 nDrawText(mRenderer, text, start, end, x, y, paint.mBidiFlags, paint.mNativePaint); 1224 } finally { 1225 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1226 } 1227 } 1228 1229 private static native void nDrawText(int renderer, String text, int start, int end, 1230 float x, float y, int bidiFlags, int paint); 1231 1232 @Override 1233 public void drawText(String text, float x, float y, Paint paint) { 1234 int modifiers = setupModifiers(paint); 1235 try { 1236 nDrawText(mRenderer, text, 0, text.length(), x, y, paint.mBidiFlags, 1237 paint.mNativePaint); 1238 } finally { 1239 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1240 } 1241 } 1242 1243 @Override 1244 public void drawTextOnPath(char[] text, int index, int count, Path path, float hOffset, 1245 float vOffset, Paint paint) { 1246 if (index < 0 || index + count > text.length) { 1247 throw new ArrayIndexOutOfBoundsException(); 1248 } 1249 1250 int modifiers = setupModifiers(paint); 1251 try { 1252 nDrawTextOnPath(mRenderer, text, index, count, path.mNativePath, hOffset, vOffset, 1253 paint.mBidiFlags, paint.mNativePaint); 1254 } finally { 1255 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1256 } 1257 } 1258 1259 private static native void nDrawTextOnPath(int renderer, char[] text, int index, int count, 1260 int path, float hOffset, float vOffset, int bidiFlags, int nativePaint); 1261 1262 @Override 1263 public void drawTextOnPath(String text, Path path, float hOffset, float vOffset, Paint paint) { 1264 if (text.length() == 0) return; 1265 1266 int modifiers = setupModifiers(paint); 1267 try { 1268 nDrawTextOnPath(mRenderer, text, 0, text.length(), path.mNativePath, hOffset, vOffset, 1269 paint.mBidiFlags, paint.mNativePaint); 1270 } finally { 1271 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1272 } 1273 } 1274 1275 private static native void nDrawTextOnPath(int renderer, String text, int start, int end, 1276 int path, float hOffset, float vOffset, int bidiFlags, int nativePaint); 1277 1278 @Override 1279 public void drawTextRun(char[] text, int index, int count, int contextIndex, int contextCount, 1280 float x, float y, int dir, Paint paint) { 1281 if ((index | count | text.length - index - count) < 0) { 1282 throw new IndexOutOfBoundsException(); 1283 } 1284 if (dir != DIRECTION_LTR && dir != DIRECTION_RTL) { 1285 throw new IllegalArgumentException("Unknown direction: " + dir); 1286 } 1287 1288 int modifiers = setupModifiers(paint); 1289 try { 1290 nDrawTextRun(mRenderer, text, index, count, contextIndex, contextCount, x, y, dir, 1291 paint.mNativePaint); 1292 } finally { 1293 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1294 } 1295 } 1296 1297 private static native void nDrawTextRun(int renderer, char[] text, int index, int count, 1298 int contextIndex, int contextCount, float x, float y, int dir, int nativePaint); 1299 1300 @Override 1301 public void drawTextRun(CharSequence text, int start, int end, int contextStart, int contextEnd, 1302 float x, float y, int dir, Paint paint) { 1303 if ((start | end | end - start | text.length() - end) < 0) { 1304 throw new IndexOutOfBoundsException(); 1305 } 1306 1307 int modifiers = setupModifiers(paint); 1308 try { 1309 int flags = dir == 0 ? 0 : 1; 1310 if (text instanceof String || text instanceof SpannedString || 1311 text instanceof SpannableString) { 1312 nDrawTextRun(mRenderer, text.toString(), start, end, contextStart, 1313 contextEnd, x, y, flags, paint.mNativePaint); 1314 } else if (text instanceof GraphicsOperations) { 1315 ((GraphicsOperations) text).drawTextRun(this, start, end, 1316 contextStart, contextEnd, x, y, flags, paint); 1317 } else { 1318 int contextLen = contextEnd - contextStart; 1319 int len = end - start; 1320 char[] buf = TemporaryBuffer.obtain(contextLen); 1321 TextUtils.getChars(text, contextStart, contextEnd, buf, 0); 1322 nDrawTextRun(mRenderer, buf, start - contextStart, len, 0, contextLen, 1323 x, y, flags, paint.mNativePaint); 1324 TemporaryBuffer.recycle(buf); 1325 } 1326 } finally { 1327 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1328 } 1329 } 1330 1331 private static native void nDrawTextRun(int renderer, String text, int start, int end, 1332 int contextStart, int contextEnd, float x, float y, int flags, int nativePaint); 1333 1334 @Override 1335 public void drawVertices(VertexMode mode, int vertexCount, float[] verts, int vertOffset, 1336 float[] texs, int texOffset, int[] colors, int colorOffset, short[] indices, 1337 int indexOffset, int indexCount, Paint paint) { 1338 // TODO: Implement 1339 } 1340 1341 private int setupModifiers(Bitmap b, Paint paint) { 1342 if (b.getConfig() != Bitmap.Config.ALPHA_8) { 1343 final ColorFilter filter = paint.getColorFilter(); 1344 if (filter != null) { 1345 nSetupColorFilter(mRenderer, filter.nativeColorFilter); 1346 return MODIFIER_COLOR_FILTER; 1347 } 1348 1349 return MODIFIER_NONE; 1350 } else { 1351 return setupModifiers(paint); 1352 } 1353 } 1354 1355 private int setupModifiers(Paint paint) { 1356 int modifiers = MODIFIER_NONE; 1357 1358 if (paint.hasShadow) { 1359 nSetupShadow(mRenderer, paint.shadowRadius, paint.shadowDx, paint.shadowDy, 1360 paint.shadowColor); 1361 modifiers |= MODIFIER_SHADOW; 1362 } 1363 1364 final Shader shader = paint.getShader(); 1365 if (shader != null) { 1366 nSetupShader(mRenderer, shader.native_shader); 1367 modifiers |= MODIFIER_SHADER; 1368 } 1369 1370 final ColorFilter filter = paint.getColorFilter(); 1371 if (filter != null) { 1372 nSetupColorFilter(mRenderer, filter.nativeColorFilter); 1373 modifiers |= MODIFIER_COLOR_FILTER; 1374 } 1375 1376 return modifiers; 1377 } 1378 1379 private int setupModifiers(Paint paint, int flags) { 1380 int modifiers = MODIFIER_NONE; 1381 1382 if (paint.hasShadow && (flags & MODIFIER_SHADOW) != 0) { 1383 nSetupShadow(mRenderer, paint.shadowRadius, paint.shadowDx, paint.shadowDy, 1384 paint.shadowColor); 1385 modifiers |= MODIFIER_SHADOW; 1386 } 1387 1388 final Shader shader = paint.getShader(); 1389 if (shader != null && (flags & MODIFIER_SHADER) != 0) { 1390 nSetupShader(mRenderer, shader.native_shader); 1391 modifiers |= MODIFIER_SHADER; 1392 } 1393 1394 final ColorFilter filter = paint.getColorFilter(); 1395 if (filter != null && (flags & MODIFIER_COLOR_FILTER) != 0) { 1396 nSetupColorFilter(mRenderer, filter.nativeColorFilter); 1397 modifiers |= MODIFIER_COLOR_FILTER; 1398 } 1399 1400 return modifiers; 1401 } 1402 1403 private int setupColorFilter(Paint paint) { 1404 final ColorFilter filter = paint.getColorFilter(); 1405 if (filter != null) { 1406 nSetupColorFilter(mRenderer, filter.nativeColorFilter); 1407 return MODIFIER_COLOR_FILTER; 1408 } 1409 return MODIFIER_NONE; 1410 } 1411 1412 private static native void nSetupShader(int renderer, int shader); 1413 private static native void nSetupColorFilter(int renderer, int colorFilter); 1414 private static native void nSetupShadow(int renderer, float radius, 1415 float dx, float dy, int color); 1416 1417 private static native void nResetModifiers(int renderer, int modifiers); 1418} 1419