GLES20Canvas.java revision 3b748a44c6bd2ea05fe16839caf73dbe50bd7ae9
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 /////////////////////////////////////////////////////////////////////////// 278 // Functor 279 /////////////////////////////////////////////////////////////////////////// 280 281 @Override 282 public int callDrawGLFunction(int drawGLFunction) { 283 return nCallDrawGLFunction(mRenderer, drawGLFunction); 284 } 285 286 private static native int nCallDrawGLFunction(int renderer, int drawGLFunction); 287 288 @Override 289 public int invokeFunctors(Rect dirty) { 290 return nInvokeFunctors(mRenderer, dirty); 291 } 292 293 private static native int nInvokeFunctors(int renderer, Rect dirty); 294 295 @Override 296 public void detachFunctor(int functor) { 297 nDetachFunctor(mRenderer, functor); 298 } 299 300 private static native void nDetachFunctor(int renderer, int functor); 301 302 @Override 303 public void attachFunctor(int functor) { 304 nAttachFunctor(mRenderer, functor); 305 } 306 307 private static native void nAttachFunctor(int renderer, int functor); 308 309 /////////////////////////////////////////////////////////////////////////// 310 // Memory 311 /////////////////////////////////////////////////////////////////////////// 312 313 /** 314 * Must match Caches::FlushMode values 315 * 316 * @see #flushCaches(int) 317 */ 318 static final int FLUSH_CACHES_LAYERS = 0; 319 320 /** 321 * Must match Caches::FlushMode values 322 * 323 * @see #flushCaches(int) 324 */ 325 static final int FLUSH_CACHES_MODERATE = 1; 326 327 /** 328 * Must match Caches::FlushMode values 329 * 330 * @see #flushCaches(int) 331 */ 332 static final int FLUSH_CACHES_FULL = 2; 333 334 /** 335 * Flush caches to reclaim as much memory as possible. The amount of memory 336 * to reclaim is indicate by the level parameter. 337 * 338 * The level can be one of {@link #FLUSH_CACHES_MODERATE} or 339 * {@link #FLUSH_CACHES_FULL}. 340 * 341 * @param level Hint about the amount of memory to reclaim 342 */ 343 static void flushCaches(int level) { 344 nFlushCaches(level); 345 } 346 347 private static native void nFlushCaches(int level); 348 349 /** 350 * Release all resources associated with the underlying caches. This should 351 * only be called after a full flushCaches(). 352 * 353 * @hide 354 */ 355 static void terminateCaches() { 356 nTerminateCaches(); 357 } 358 359 private static native void nTerminateCaches(); 360 361 static boolean initCaches() { 362 return nInitCaches(); 363 } 364 365 private static native boolean nInitCaches(); 366 367 /////////////////////////////////////////////////////////////////////////// 368 // Atlas 369 /////////////////////////////////////////////////////////////////////////// 370 371 static void initAtlas(GraphicBuffer buffer, int[] map) { 372 nInitAtlas(buffer, map, map.length); 373 } 374 375 private static native void nInitAtlas(GraphicBuffer buffer, int[] map, int count); 376 377 /////////////////////////////////////////////////////////////////////////// 378 // Display list 379 /////////////////////////////////////////////////////////////////////////// 380 381 int getDisplayList(int displayList) { 382 return nGetDisplayList(mRenderer, displayList); 383 } 384 385 private static native int nGetDisplayList(int renderer, int displayList); 386 387 @Override 388 void outputDisplayList(DisplayList displayList) { 389 nOutputDisplayList(mRenderer, ((GLES20DisplayList) displayList).getNativeDisplayList()); 390 } 391 392 private static native void nOutputDisplayList(int renderer, int displayList); 393 394 @Override 395 public int drawDisplayList(DisplayList displayList, Rect dirty, int flags) { 396 return nDrawDisplayList(mRenderer, ((GLES20DisplayList) displayList).getNativeDisplayList(), 397 dirty, flags); 398 } 399 400 private static native int nDrawDisplayList(int renderer, int displayList, 401 Rect dirty, int flags); 402 403 /////////////////////////////////////////////////////////////////////////// 404 // Hardware layer 405 /////////////////////////////////////////////////////////////////////////// 406 407 void drawHardwareLayer(HardwareLayer layer, float x, float y, Paint paint) { 408 layer.setLayerPaint(paint); 409 410 final GLES20Layer glLayer = (GLES20Layer) layer; 411 nDrawLayer(mRenderer, glLayer.getLayer(), x, y); 412 } 413 414 private static native void nDrawLayer(int renderer, int layer, float x, float y); 415 416 void interrupt() { 417 nInterrupt(mRenderer); 418 } 419 420 void resume() { 421 nResume(mRenderer); 422 } 423 424 private static native void nInterrupt(int renderer); 425 private static native void nResume(int renderer); 426 427 /////////////////////////////////////////////////////////////////////////// 428 // Clipping 429 /////////////////////////////////////////////////////////////////////////// 430 431 @Override 432 public boolean clipPath(Path path) { 433 return nClipPath(mRenderer, path.mNativePath, Region.Op.INTERSECT.nativeInt); 434 } 435 436 @Override 437 public boolean clipPath(Path path, Region.Op op) { 438 return nClipPath(mRenderer, path.mNativePath, op.nativeInt); 439 } 440 441 private static native boolean nClipPath(int renderer, int path, int op); 442 443 @Override 444 public boolean clipRect(float left, float top, float right, float bottom) { 445 return nClipRect(mRenderer, left, top, right, bottom, Region.Op.INTERSECT.nativeInt); 446 } 447 448 private static native boolean nClipRect(int renderer, float left, float top, 449 float right, float bottom, int op); 450 451 @Override 452 public boolean clipRect(float left, float top, float right, float bottom, Region.Op op) { 453 return nClipRect(mRenderer, left, top, right, bottom, op.nativeInt); 454 } 455 456 @Override 457 public boolean clipRect(int left, int top, int right, int bottom) { 458 return nClipRect(mRenderer, left, top, right, bottom, Region.Op.INTERSECT.nativeInt); 459 } 460 461 private static native boolean nClipRect(int renderer, int left, int top, 462 int right, int bottom, int op); 463 464 @Override 465 public boolean clipRect(Rect rect) { 466 return nClipRect(mRenderer, rect.left, rect.top, rect.right, rect.bottom, 467 Region.Op.INTERSECT.nativeInt); 468 } 469 470 @Override 471 public boolean clipRect(Rect rect, Region.Op op) { 472 return nClipRect(mRenderer, rect.left, rect.top, rect.right, rect.bottom, op.nativeInt); 473 } 474 475 @Override 476 public boolean clipRect(RectF rect) { 477 return nClipRect(mRenderer, rect.left, rect.top, rect.right, rect.bottom, 478 Region.Op.INTERSECT.nativeInt); 479 } 480 481 @Override 482 public boolean clipRect(RectF rect, Region.Op op) { 483 return nClipRect(mRenderer, rect.left, rect.top, rect.right, rect.bottom, op.nativeInt); 484 } 485 486 @Override 487 public boolean clipRegion(Region region) { 488 return nClipRegion(mRenderer, region.mNativeRegion, Region.Op.INTERSECT.nativeInt); 489 } 490 491 @Override 492 public boolean clipRegion(Region region, Region.Op op) { 493 return nClipRegion(mRenderer, region.mNativeRegion, op.nativeInt); 494 } 495 496 private static native boolean nClipRegion(int renderer, int region, int op); 497 498 @Override 499 public boolean getClipBounds(Rect bounds) { 500 return nGetClipBounds(mRenderer, bounds); 501 } 502 503 private static native boolean nGetClipBounds(int renderer, Rect bounds); 504 505 @Override 506 public boolean quickReject(float left, float top, float right, float bottom, EdgeType type) { 507 return nQuickReject(mRenderer, left, top, right, bottom); 508 } 509 510 private static native boolean nQuickReject(int renderer, float left, float top, 511 float right, float bottom); 512 513 @Override 514 public boolean quickReject(Path path, EdgeType type) { 515 path.computeBounds(mPathBounds, true); 516 return nQuickReject(mRenderer, mPathBounds.left, mPathBounds.top, 517 mPathBounds.right, mPathBounds.bottom); 518 } 519 520 @Override 521 public boolean quickReject(RectF rect, EdgeType type) { 522 return nQuickReject(mRenderer, rect.left, rect.top, rect.right, rect.bottom); 523 } 524 525 /////////////////////////////////////////////////////////////////////////// 526 // Transformations 527 /////////////////////////////////////////////////////////////////////////// 528 529 @Override 530 public void translate(float dx, float dy) { 531 if (dx != 0.0f || dy != 0.0f) nTranslate(mRenderer, dx, dy); 532 } 533 534 private static native void nTranslate(int renderer, float dx, float dy); 535 536 @Override 537 public void skew(float sx, float sy) { 538 nSkew(mRenderer, sx, sy); 539 } 540 541 private static native void nSkew(int renderer, float sx, float sy); 542 543 @Override 544 public void rotate(float degrees) { 545 nRotate(mRenderer, degrees); 546 } 547 548 private static native void nRotate(int renderer, float degrees); 549 550 @Override 551 public void scale(float sx, float sy) { 552 nScale(mRenderer, sx, sy); 553 } 554 555 private static native void nScale(int renderer, float sx, float sy); 556 557 @Override 558 public void setMatrix(Matrix matrix) { 559 nSetMatrix(mRenderer, matrix == null ? 0 : matrix.native_instance); 560 } 561 562 private static native void nSetMatrix(int renderer, int matrix); 563 564 @SuppressWarnings("deprecation") 565 @Override 566 public void getMatrix(Matrix matrix) { 567 nGetMatrix(mRenderer, matrix.native_instance); 568 } 569 570 private static native void nGetMatrix(int renderer, int matrix); 571 572 @Override 573 public void concat(Matrix matrix) { 574 nConcatMatrix(mRenderer, matrix.native_instance); 575 } 576 577 private static native void nConcatMatrix(int renderer, int matrix); 578 579 /////////////////////////////////////////////////////////////////////////// 580 // State management 581 /////////////////////////////////////////////////////////////////////////// 582 583 @Override 584 public int save() { 585 return nSave(mRenderer, Canvas.CLIP_SAVE_FLAG | Canvas.MATRIX_SAVE_FLAG); 586 } 587 588 @Override 589 public int save(int saveFlags) { 590 return nSave(mRenderer, saveFlags); 591 } 592 593 private static native int nSave(int renderer, int flags); 594 595 @Override 596 public int saveLayer(RectF bounds, Paint paint, int saveFlags) { 597 if (bounds != null) { 598 return saveLayer(bounds.left, bounds.top, bounds.right, bounds.bottom, paint, saveFlags); 599 } 600 601 int count; 602 int modifier = paint != null ? setupColorFilter(paint) : MODIFIER_NONE; 603 try { 604 final int nativePaint = paint == null ? 0 : paint.mNativePaint; 605 count = nSaveLayer(mRenderer, nativePaint, saveFlags); 606 } finally { 607 if (modifier != MODIFIER_NONE) nResetModifiers(mRenderer, modifier); 608 } 609 return count; 610 } 611 612 private static native int nSaveLayer(int renderer, int paint, int saveFlags); 613 614 @Override 615 public int saveLayer(float left, float top, float right, float bottom, Paint paint, 616 int saveFlags) { 617 if (left < right && top < bottom) { 618 int count; 619 int modifier = paint != null ? setupColorFilter(paint) : MODIFIER_NONE; 620 try { 621 final int nativePaint = paint == null ? 0 : paint.mNativePaint; 622 count = nSaveLayer(mRenderer, left, top, right, bottom, nativePaint, saveFlags); 623 } finally { 624 if (modifier != MODIFIER_NONE) nResetModifiers(mRenderer, modifier); 625 } 626 return count; 627 } 628 return save(saveFlags); 629 } 630 631 private static native int nSaveLayer(int renderer, float left, float top, 632 float right, float bottom, int paint, int saveFlags); 633 634 @Override 635 public int saveLayerAlpha(RectF bounds, int alpha, int saveFlags) { 636 if (bounds != null) { 637 return saveLayerAlpha(bounds.left, bounds.top, bounds.right, bounds.bottom, 638 alpha, saveFlags); 639 } 640 return nSaveLayerAlpha(mRenderer, alpha, saveFlags); 641 } 642 643 private static native int nSaveLayerAlpha(int renderer, int alpha, int saveFlags); 644 645 @Override 646 public int saveLayerAlpha(float left, float top, float right, float bottom, int alpha, 647 int saveFlags) { 648 if (left < right && top < bottom) { 649 return nSaveLayerAlpha(mRenderer, left, top, right, bottom, alpha, saveFlags); 650 } 651 return save(saveFlags); 652 } 653 654 private static native int nSaveLayerAlpha(int renderer, float left, float top, float right, 655 float bottom, int alpha, int saveFlags); 656 657 @Override 658 public void restore() { 659 nRestore(mRenderer); 660 } 661 662 private static native void nRestore(int renderer); 663 664 @Override 665 public void restoreToCount(int saveCount) { 666 nRestoreToCount(mRenderer, saveCount); 667 } 668 669 private static native void nRestoreToCount(int renderer, int saveCount); 670 671 @Override 672 public int getSaveCount() { 673 return nGetSaveCount(mRenderer); 674 } 675 676 private static native int nGetSaveCount(int renderer); 677 678 /////////////////////////////////////////////////////////////////////////// 679 // Filtering 680 /////////////////////////////////////////////////////////////////////////// 681 682 @Override 683 public void setDrawFilter(DrawFilter filter) { 684 mFilter = filter; 685 if (filter == null) { 686 nResetPaintFilter(mRenderer); 687 } else if (filter instanceof PaintFlagsDrawFilter) { 688 PaintFlagsDrawFilter flagsFilter = (PaintFlagsDrawFilter) filter; 689 nSetupPaintFilter(mRenderer, flagsFilter.clearBits, flagsFilter.setBits); 690 } 691 } 692 693 private static native void nResetPaintFilter(int renderer); 694 private static native void nSetupPaintFilter(int renderer, int clearBits, int setBits); 695 696 @Override 697 public DrawFilter getDrawFilter() { 698 return mFilter; 699 } 700 701 /////////////////////////////////////////////////////////////////////////// 702 // Drawing 703 /////////////////////////////////////////////////////////////////////////// 704 705 @Override 706 public void drawArc(RectF oval, float startAngle, float sweepAngle, boolean useCenter, 707 Paint paint) { 708 int modifiers = setupModifiers(paint, MODIFIER_COLOR_FILTER | MODIFIER_SHADER); 709 try { 710 nDrawArc(mRenderer, oval.left, oval.top, oval.right, oval.bottom, 711 startAngle, sweepAngle, useCenter, paint.mNativePaint); 712 } finally { 713 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 714 } 715 } 716 717 private static native void nDrawArc(int renderer, float left, float top, 718 float right, float bottom, float startAngle, float sweepAngle, 719 boolean useCenter, int paint); 720 721 @Override 722 public void drawARGB(int a, int r, int g, int b) { 723 drawColor((a & 0xFF) << 24 | (r & 0xFF) << 16 | (g & 0xFF) << 8 | (b & 0xFF)); 724 } 725 726 @Override 727 public void drawPatch(NinePatch patch, RectF dst, Paint paint) { 728 Bitmap bitmap = patch.getBitmap(); 729 if (bitmap.isRecycled()) throw new IllegalArgumentException("Cannot draw recycled bitmaps"); 730 // Shaders are ignored when drawing patches 731 int modifier = paint != null ? setupColorFilter(paint) : MODIFIER_NONE; 732 try { 733 final int nativePaint = paint == null ? 0 : paint.mNativePaint; 734 nDrawPatch(mRenderer, bitmap.mNativeBitmap, patch.mChunk, 735 dst.left, dst.top, dst.right, dst.bottom, nativePaint); 736 } finally { 737 if (modifier != MODIFIER_NONE) nResetModifiers(mRenderer, modifier); 738 } 739 } 740 741 private static native void nDrawPatch(int renderer, int bitmap, byte[] chunks, 742 float left, float top, float right, float bottom, int paint); 743 744 @Override 745 public void drawBitmap(Bitmap bitmap, float left, float top, Paint paint) { 746 if (bitmap.isRecycled()) throw new IllegalArgumentException("Cannot draw recycled bitmaps"); 747 // Shaders are ignored when drawing bitmaps 748 int modifiers = paint != null ? setupModifiers(bitmap, paint) : MODIFIER_NONE; 749 try { 750 final int nativePaint = paint == null ? 0 : paint.mNativePaint; 751 nDrawBitmap(mRenderer, bitmap.mNativeBitmap, left, top, nativePaint); 752 } finally { 753 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 754 } 755 } 756 757 private static native void nDrawBitmap(int renderer, int bitmap, 758 float left, float top, int paint); 759 760 @Override 761 public void drawBitmap(Bitmap bitmap, Matrix matrix, Paint paint) { 762 if (bitmap.isRecycled()) throw new IllegalArgumentException("Cannot draw recycled bitmaps"); 763 // Shaders are ignored when drawing bitmaps 764 int modifiers = paint != null ? setupModifiers(bitmap, paint) : MODIFIER_NONE; 765 try { 766 final int nativePaint = paint == null ? 0 : paint.mNativePaint; 767 nDrawBitmap(mRenderer, bitmap.mNativeBitmap, matrix.native_instance, nativePaint); 768 } finally { 769 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 770 } 771 } 772 773 private static native void nDrawBitmap(int renderer, int bitmap, int matrix, int paint); 774 775 @Override 776 public void drawBitmap(Bitmap bitmap, Rect src, Rect dst, Paint paint) { 777 if (bitmap.isRecycled()) throw new IllegalArgumentException("Cannot draw recycled bitmaps"); 778 // Shaders are ignored when drawing bitmaps 779 int modifiers = paint != null ? setupModifiers(bitmap, paint) : MODIFIER_NONE; 780 try { 781 final int nativePaint = paint == null ? 0 : paint.mNativePaint; 782 783 int left, top, right, bottom; 784 if (src == null) { 785 left = top = 0; 786 right = bitmap.getWidth(); 787 bottom = bitmap.getHeight(); 788 } else { 789 left = src.left; 790 right = src.right; 791 top = src.top; 792 bottom = src.bottom; 793 } 794 795 nDrawBitmap(mRenderer, bitmap.mNativeBitmap, left, top, right, bottom, 796 dst.left, dst.top, dst.right, dst.bottom, nativePaint); 797 } finally { 798 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 799 } 800 } 801 802 @Override 803 public void drawBitmap(Bitmap bitmap, Rect src, RectF dst, Paint paint) { 804 if (bitmap.isRecycled()) throw new IllegalArgumentException("Cannot draw recycled bitmaps"); 805 // Shaders are ignored when drawing bitmaps 806 int modifiers = paint != null ? setupModifiers(bitmap, paint) : MODIFIER_NONE; 807 try { 808 final int nativePaint = paint == null ? 0 : paint.mNativePaint; 809 810 float left, top, right, bottom; 811 if (src == null) { 812 left = top = 0; 813 right = bitmap.getWidth(); 814 bottom = bitmap.getHeight(); 815 } else { 816 left = src.left; 817 right = src.right; 818 top = src.top; 819 bottom = src.bottom; 820 } 821 822 nDrawBitmap(mRenderer, bitmap.mNativeBitmap, left, top, right, bottom, 823 dst.left, dst.top, dst.right, dst.bottom, nativePaint); 824 } finally { 825 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 826 } 827 } 828 829 private static native void nDrawBitmap(int renderer, int bitmap, 830 float srcLeft, float srcTop, float srcRight, float srcBottom, 831 float left, float top, float right, float bottom, int paint); 832 833 @Override 834 public void drawBitmap(int[] colors, int offset, int stride, float x, float y, 835 int width, int height, boolean hasAlpha, Paint paint) { 836 if (width < 0) { 837 throw new IllegalArgumentException("width must be >= 0"); 838 } 839 840 if (height < 0) { 841 throw new IllegalArgumentException("height must be >= 0"); 842 } 843 844 if (Math.abs(stride) < width) { 845 throw new IllegalArgumentException("abs(stride) must be >= width"); 846 } 847 848 int lastScanline = offset + (height - 1) * stride; 849 int length = colors.length; 850 851 if (offset < 0 || (offset + width > length) || lastScanline < 0 || 852 (lastScanline + width > length)) { 853 throw new ArrayIndexOutOfBoundsException(); 854 } 855 856 // Shaders are ignored when drawing bitmaps 857 int modifier = paint != null ? setupColorFilter(paint) : MODIFIER_NONE; 858 try { 859 final int nativePaint = paint == null ? 0 : paint.mNativePaint; 860 nDrawBitmap(mRenderer, colors, offset, stride, x, y, 861 width, height, hasAlpha, nativePaint); 862 } finally { 863 if (modifier != MODIFIER_NONE) nResetModifiers(mRenderer, modifier); 864 } 865 } 866 867 private static native void nDrawBitmap(int renderer, int[] colors, int offset, int stride, 868 float x, float y, int width, int height, boolean hasAlpha, int nativePaint); 869 870 @Override 871 public void drawBitmap(int[] colors, int offset, int stride, int x, int y, 872 int width, int height, boolean hasAlpha, Paint paint) { 873 // Shaders are ignored when drawing bitmaps 874 drawBitmap(colors, offset, stride, (float) x, (float) y, width, height, hasAlpha, paint); 875 } 876 877 @Override 878 public void drawBitmapMesh(Bitmap bitmap, int meshWidth, int meshHeight, float[] verts, 879 int vertOffset, int[] colors, int colorOffset, Paint paint) { 880 if (bitmap.isRecycled()) throw new IllegalArgumentException("Cannot draw recycled bitmaps"); 881 if (meshWidth < 0 || meshHeight < 0 || vertOffset < 0 || colorOffset < 0) { 882 throw new ArrayIndexOutOfBoundsException(); 883 } 884 885 if (meshWidth == 0 || meshHeight == 0) { 886 return; 887 } 888 889 final int count = (meshWidth + 1) * (meshHeight + 1); 890 checkRange(verts.length, vertOffset, count * 2); 891 892 if (colors != null) { 893 checkRange(colors.length, colorOffset, count); 894 } 895 896 int modifiers = paint != null ? setupModifiers(bitmap, paint) : MODIFIER_NONE; 897 try { 898 final int nativePaint = paint == null ? 0 : paint.mNativePaint; 899 nDrawBitmapMesh(mRenderer, bitmap.mNativeBitmap, meshWidth, meshHeight, 900 verts, vertOffset, colors, colorOffset, nativePaint); 901 } finally { 902 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 903 } 904 } 905 906 private static native void nDrawBitmapMesh(int renderer, int bitmap, 907 int meshWidth, int meshHeight, float[] verts, int vertOffset, 908 int[] colors, int colorOffset, int paint); 909 910 @Override 911 public void drawCircle(float cx, float cy, float radius, Paint paint) { 912 int modifiers = setupModifiers(paint, MODIFIER_COLOR_FILTER | MODIFIER_SHADER); 913 try { 914 nDrawCircle(mRenderer, cx, cy, radius, paint.mNativePaint); 915 } finally { 916 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 917 } 918 } 919 920 private static native void nDrawCircle(int renderer, float cx, float cy, 921 float radius, int paint); 922 923 @Override 924 public void drawColor(int color) { 925 drawColor(color, PorterDuff.Mode.SRC_OVER); 926 } 927 928 @Override 929 public void drawColor(int color, PorterDuff.Mode mode) { 930 nDrawColor(mRenderer, color, mode.nativeInt); 931 } 932 933 private static native void nDrawColor(int renderer, int color, int mode); 934 935 @Override 936 public void drawLine(float startX, float startY, float stopX, float stopY, Paint paint) { 937 mLine[0] = startX; 938 mLine[1] = startY; 939 mLine[2] = stopX; 940 mLine[3] = stopY; 941 drawLines(mLine, 0, 4, paint); 942 } 943 944 @Override 945 public void drawLines(float[] pts, int offset, int count, Paint paint) { 946 if (count < 4) return; 947 948 if ((offset | count) < 0 || offset + count > pts.length) { 949 throw new IllegalArgumentException("The lines array must contain 4 elements per line."); 950 } 951 int modifiers = setupModifiers(paint, MODIFIER_COLOR_FILTER | MODIFIER_SHADER); 952 try { 953 nDrawLines(mRenderer, pts, offset, count, paint.mNativePaint); 954 } finally { 955 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 956 } 957 } 958 959 private static native void nDrawLines(int renderer, float[] points, 960 int offset, int count, int paint); 961 962 @Override 963 public void drawLines(float[] pts, Paint paint) { 964 drawLines(pts, 0, pts.length, paint); 965 } 966 967 @Override 968 public void drawOval(RectF oval, Paint paint) { 969 int modifiers = setupModifiers(paint, MODIFIER_COLOR_FILTER | MODIFIER_SHADER); 970 try { 971 nDrawOval(mRenderer, oval.left, oval.top, oval.right, oval.bottom, paint.mNativePaint); 972 } finally { 973 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 974 } 975 } 976 977 private static native void nDrawOval(int renderer, float left, float top, 978 float right, float bottom, int paint); 979 980 @Override 981 public void drawPaint(Paint paint) { 982 final Rect r = mClipBounds; 983 nGetClipBounds(mRenderer, r); 984 drawRect(r.left, r.top, r.right, r.bottom, paint); 985 } 986 987 @Override 988 public void drawPath(Path path, Paint paint) { 989 int modifiers = setupModifiers(paint, MODIFIER_COLOR_FILTER | MODIFIER_SHADER); 990 try { 991 if (path.isSimplePath) { 992 if (path.rects != null) { 993 nDrawRects(mRenderer, path.rects.mNativeRegion, paint.mNativePaint); 994 } 995 } else { 996 nDrawPath(mRenderer, path.mNativePath, paint.mNativePaint); 997 } 998 } finally { 999 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1000 } 1001 } 1002 1003 private static native void nDrawPath(int renderer, int path, int paint); 1004 private static native void nDrawRects(int renderer, int region, int paint); 1005 1006 void drawRects(float[] rects, int count, Paint paint) { 1007 int modifiers = setupModifiers(paint, MODIFIER_COLOR_FILTER | MODIFIER_SHADER); 1008 try { 1009 nDrawRects(mRenderer, rects, count, paint.mNativePaint); 1010 } finally { 1011 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1012 } 1013 } 1014 1015 private static native void nDrawRects(int renderer, float[] rects, int count, int paint); 1016 1017 @Override 1018 public void drawPicture(Picture picture) { 1019 if (picture.createdFromStream) { 1020 return; 1021 } 1022 1023 picture.endRecording(); 1024 // TODO: Implement rendering 1025 } 1026 1027 @Override 1028 public void drawPicture(Picture picture, Rect 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 drawPicture(Picture picture, RectF dst) { 1044 if (picture.createdFromStream) { 1045 return; 1046 } 1047 1048 save(); 1049 translate(dst.left, dst.top); 1050 if (picture.getWidth() > 0 && picture.getHeight() > 0) { 1051 scale(dst.width() / picture.getWidth(), dst.height() / picture.getHeight()); 1052 } 1053 drawPicture(picture); 1054 restore(); 1055 } 1056 1057 @Override 1058 public void drawPoint(float x, float y, Paint paint) { 1059 mPoint[0] = x; 1060 mPoint[1] = y; 1061 drawPoints(mPoint, 0, 2, paint); 1062 } 1063 1064 @Override 1065 public void drawPoints(float[] pts, Paint paint) { 1066 drawPoints(pts, 0, pts.length, paint); 1067 } 1068 1069 @Override 1070 public void drawPoints(float[] pts, int offset, int count, Paint paint) { 1071 if (count < 2) return; 1072 1073 int modifiers = setupModifiers(paint, MODIFIER_COLOR_FILTER | MODIFIER_SHADER); 1074 try { 1075 nDrawPoints(mRenderer, pts, offset, count, paint.mNativePaint); 1076 } finally { 1077 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1078 } 1079 } 1080 1081 private static native void nDrawPoints(int renderer, float[] points, 1082 int offset, int count, int paint); 1083 1084 @SuppressWarnings("deprecation") 1085 @Override 1086 public void drawPosText(char[] text, int index, int count, float[] pos, Paint paint) { 1087 if (index < 0 || index + count > text.length || count * 2 > pos.length) { 1088 throw new IndexOutOfBoundsException(); 1089 } 1090 1091 int modifiers = setupModifiers(paint); 1092 try { 1093 nDrawPosText(mRenderer, text, index, count, pos, paint.mNativePaint); 1094 } finally { 1095 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1096 } 1097 } 1098 1099 private static native void nDrawPosText(int renderer, char[] text, int index, int count, 1100 float[] pos, int paint); 1101 1102 @SuppressWarnings("deprecation") 1103 @Override 1104 public void drawPosText(String text, float[] pos, Paint paint) { 1105 if (text.length() * 2 > pos.length) { 1106 throw new ArrayIndexOutOfBoundsException(); 1107 } 1108 1109 int modifiers = setupModifiers(paint); 1110 try { 1111 nDrawPosText(mRenderer, text, 0, text.length(), pos, paint.mNativePaint); 1112 } finally { 1113 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1114 } 1115 } 1116 1117 private static native void nDrawPosText(int renderer, String text, int start, int end, 1118 float[] pos, int paint); 1119 1120 @Override 1121 public void drawRect(float left, float top, float right, float bottom, Paint paint) { 1122 if (left == right || top == bottom) return; 1123 int modifiers = setupModifiers(paint, MODIFIER_COLOR_FILTER | MODIFIER_SHADER); 1124 try { 1125 nDrawRect(mRenderer, left, top, right, bottom, paint.mNativePaint); 1126 } finally { 1127 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1128 } 1129 } 1130 1131 private static native void nDrawRect(int renderer, float left, float top, 1132 float right, float bottom, int paint); 1133 1134 @Override 1135 public void drawRect(Rect r, Paint paint) { 1136 drawRect(r.left, r.top, r.right, r.bottom, paint); 1137 } 1138 1139 @Override 1140 public void drawRect(RectF r, Paint paint) { 1141 drawRect(r.left, r.top, r.right, r.bottom, paint); 1142 } 1143 1144 @Override 1145 public void drawRGB(int r, int g, int b) { 1146 drawColor(0xFF000000 | (r & 0xFF) << 16 | (g & 0xFF) << 8 | (b & 0xFF)); 1147 } 1148 1149 @Override 1150 public void drawRoundRect(RectF rect, float rx, float ry, Paint paint) { 1151 int modifiers = setupModifiers(paint, MODIFIER_COLOR_FILTER | MODIFIER_SHADER); 1152 try { 1153 nDrawRoundRect(mRenderer, rect.left, rect.top, rect.right, rect.bottom, 1154 rx, ry, paint.mNativePaint); 1155 } finally { 1156 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1157 } 1158 } 1159 1160 private static native void nDrawRoundRect(int renderer, float left, float top, 1161 float right, float bottom, float rx, float y, int paint); 1162 1163 @Override 1164 public void drawText(char[] text, int index, int count, float x, float y, Paint paint) { 1165 if ((index | count | (index + count) | (text.length - index - count)) < 0) { 1166 throw new IndexOutOfBoundsException(); 1167 } 1168 1169 int modifiers = setupModifiers(paint); 1170 try { 1171 nDrawText(mRenderer, text, index, count, x, y, paint.mBidiFlags, paint.mNativePaint); 1172 } finally { 1173 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1174 } 1175 } 1176 1177 private static native void nDrawText(int renderer, char[] text, int index, int count, 1178 float x, float y, int bidiFlags, int paint); 1179 1180 @Override 1181 public void drawText(CharSequence text, int start, int end, float x, float y, Paint paint) { 1182 int modifiers = setupModifiers(paint); 1183 try { 1184 if (text instanceof String || text instanceof SpannedString || 1185 text instanceof SpannableString) { 1186 nDrawText(mRenderer, text.toString(), start, end, x, y, paint.mBidiFlags, 1187 paint.mNativePaint); 1188 } else if (text instanceof GraphicsOperations) { 1189 ((GraphicsOperations) text).drawText(this, start, end, x, y, 1190 paint); 1191 } else { 1192 char[] buf = TemporaryBuffer.obtain(end - start); 1193 TextUtils.getChars(text, start, end, buf, 0); 1194 nDrawText(mRenderer, buf, 0, end - start, x, y, 1195 paint.mBidiFlags, paint.mNativePaint); 1196 TemporaryBuffer.recycle(buf); 1197 } 1198 } finally { 1199 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1200 } 1201 } 1202 1203 @Override 1204 public void drawText(String text, int start, int end, float x, float y, Paint paint) { 1205 if ((start | end | (end - start) | (text.length() - end)) < 0) { 1206 throw new IndexOutOfBoundsException(); 1207 } 1208 1209 int modifiers = setupModifiers(paint); 1210 try { 1211 nDrawText(mRenderer, text, start, end, x, y, paint.mBidiFlags, paint.mNativePaint); 1212 } finally { 1213 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1214 } 1215 } 1216 1217 private static native void nDrawText(int renderer, String text, int start, int end, 1218 float x, float y, int bidiFlags, int paint); 1219 1220 @Override 1221 public void drawText(String text, float x, float y, Paint paint) { 1222 int modifiers = setupModifiers(paint); 1223 try { 1224 nDrawText(mRenderer, text, 0, text.length(), x, y, paint.mBidiFlags, 1225 paint.mNativePaint); 1226 } finally { 1227 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1228 } 1229 } 1230 1231 @Override 1232 public void drawTextOnPath(char[] text, int index, int count, Path path, float hOffset, 1233 float vOffset, Paint paint) { 1234 if (index < 0 || index + count > text.length) { 1235 throw new ArrayIndexOutOfBoundsException(); 1236 } 1237 1238 int modifiers = setupModifiers(paint); 1239 try { 1240 nDrawTextOnPath(mRenderer, text, index, count, path.mNativePath, hOffset, vOffset, 1241 paint.mBidiFlags, paint.mNativePaint); 1242 } finally { 1243 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1244 } 1245 } 1246 1247 private static native void nDrawTextOnPath(int renderer, char[] text, int index, int count, 1248 int path, float hOffset, float vOffset, int bidiFlags, int nativePaint); 1249 1250 @Override 1251 public void drawTextOnPath(String text, Path path, float hOffset, float vOffset, Paint paint) { 1252 if (text.length() == 0) return; 1253 1254 int modifiers = setupModifiers(paint); 1255 try { 1256 nDrawTextOnPath(mRenderer, text, 0, text.length(), path.mNativePath, hOffset, vOffset, 1257 paint.mBidiFlags, paint.mNativePaint); 1258 } finally { 1259 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1260 } 1261 } 1262 1263 private static native void nDrawTextOnPath(int renderer, String text, int start, int end, 1264 int path, float hOffset, float vOffset, int bidiFlags, int nativePaint); 1265 1266 @Override 1267 public void drawTextRun(char[] text, int index, int count, int contextIndex, int contextCount, 1268 float x, float y, int dir, Paint paint) { 1269 if ((index | count | text.length - index - count) < 0) { 1270 throw new IndexOutOfBoundsException(); 1271 } 1272 if (dir != DIRECTION_LTR && dir != DIRECTION_RTL) { 1273 throw new IllegalArgumentException("Unknown direction: " + dir); 1274 } 1275 1276 int modifiers = setupModifiers(paint); 1277 try { 1278 nDrawTextRun(mRenderer, text, index, count, contextIndex, contextCount, x, y, dir, 1279 paint.mNativePaint); 1280 } finally { 1281 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1282 } 1283 } 1284 1285 private static native void nDrawTextRun(int renderer, char[] text, int index, int count, 1286 int contextIndex, int contextCount, float x, float y, int dir, int nativePaint); 1287 1288 @Override 1289 public void drawTextRun(CharSequence text, int start, int end, int contextStart, int contextEnd, 1290 float x, float y, int dir, Paint paint) { 1291 if ((start | end | end - start | text.length() - end) < 0) { 1292 throw new IndexOutOfBoundsException(); 1293 } 1294 1295 int modifiers = setupModifiers(paint); 1296 try { 1297 int flags = dir == 0 ? 0 : 1; 1298 if (text instanceof String || text instanceof SpannedString || 1299 text instanceof SpannableString) { 1300 nDrawTextRun(mRenderer, text.toString(), start, end, contextStart, 1301 contextEnd, x, y, flags, paint.mNativePaint); 1302 } else if (text instanceof GraphicsOperations) { 1303 ((GraphicsOperations) text).drawTextRun(this, start, end, 1304 contextStart, contextEnd, x, y, flags, paint); 1305 } else { 1306 int contextLen = contextEnd - contextStart; 1307 int len = end - start; 1308 char[] buf = TemporaryBuffer.obtain(contextLen); 1309 TextUtils.getChars(text, contextStart, contextEnd, buf, 0); 1310 nDrawTextRun(mRenderer, buf, start - contextStart, len, 0, contextLen, 1311 x, y, flags, paint.mNativePaint); 1312 TemporaryBuffer.recycle(buf); 1313 } 1314 } finally { 1315 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1316 } 1317 } 1318 1319 private static native void nDrawTextRun(int renderer, String text, int start, int end, 1320 int contextStart, int contextEnd, float x, float y, int flags, int nativePaint); 1321 1322 @Override 1323 public void drawVertices(VertexMode mode, int vertexCount, float[] verts, int vertOffset, 1324 float[] texs, int texOffset, int[] colors, int colorOffset, short[] indices, 1325 int indexOffset, int indexCount, Paint paint) { 1326 // TODO: Implement 1327 } 1328 1329 private int setupModifiers(Bitmap b, Paint paint) { 1330 if (b.getConfig() != Bitmap.Config.ALPHA_8) { 1331 final ColorFilter filter = paint.getColorFilter(); 1332 if (filter != null) { 1333 nSetupColorFilter(mRenderer, filter.nativeColorFilter); 1334 return MODIFIER_COLOR_FILTER; 1335 } 1336 1337 return MODIFIER_NONE; 1338 } else { 1339 return setupModifiers(paint); 1340 } 1341 } 1342 1343 private int setupModifiers(Paint paint) { 1344 int modifiers = MODIFIER_NONE; 1345 1346 if (paint.hasShadow) { 1347 nSetupShadow(mRenderer, paint.shadowRadius, paint.shadowDx, paint.shadowDy, 1348 paint.shadowColor); 1349 modifiers |= MODIFIER_SHADOW; 1350 } 1351 1352 final Shader shader = paint.getShader(); 1353 if (shader != null) { 1354 nSetupShader(mRenderer, shader.native_shader); 1355 modifiers |= MODIFIER_SHADER; 1356 } 1357 1358 final ColorFilter filter = paint.getColorFilter(); 1359 if (filter != null) { 1360 nSetupColorFilter(mRenderer, filter.nativeColorFilter); 1361 modifiers |= MODIFIER_COLOR_FILTER; 1362 } 1363 1364 return modifiers; 1365 } 1366 1367 private int setupModifiers(Paint paint, int flags) { 1368 int modifiers = MODIFIER_NONE; 1369 1370 if (paint.hasShadow && (flags & MODIFIER_SHADOW) != 0) { 1371 nSetupShadow(mRenderer, paint.shadowRadius, paint.shadowDx, paint.shadowDy, 1372 paint.shadowColor); 1373 modifiers |= MODIFIER_SHADOW; 1374 } 1375 1376 final Shader shader = paint.getShader(); 1377 if (shader != null && (flags & MODIFIER_SHADER) != 0) { 1378 nSetupShader(mRenderer, shader.native_shader); 1379 modifiers |= MODIFIER_SHADER; 1380 } 1381 1382 final ColorFilter filter = paint.getColorFilter(); 1383 if (filter != null && (flags & MODIFIER_COLOR_FILTER) != 0) { 1384 nSetupColorFilter(mRenderer, filter.nativeColorFilter); 1385 modifiers |= MODIFIER_COLOR_FILTER; 1386 } 1387 1388 return modifiers; 1389 } 1390 1391 private int setupColorFilter(Paint paint) { 1392 final ColorFilter filter = paint.getColorFilter(); 1393 if (filter != null) { 1394 nSetupColorFilter(mRenderer, filter.nativeColorFilter); 1395 return MODIFIER_COLOR_FILTER; 1396 } 1397 return MODIFIER_NONE; 1398 } 1399 1400 private static native void nSetupShader(int renderer, int shader); 1401 private static native void nSetupColorFilter(int renderer, int colorFilter); 1402 private static native void nSetupShadow(int renderer, float radius, 1403 float dx, float dy, int color); 1404 1405 private static native void nResetModifiers(int renderer, int modifiers); 1406} 1407