1 /* 2 * Copyright (C) 2010 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package android.view; 18 19 import android.graphics.Bitmap; 20 import android.graphics.Canvas; 21 import android.graphics.ColorFilter; 22 import android.graphics.DrawFilter; 23 import android.graphics.Matrix; 24 import android.graphics.Paint; 25 import android.graphics.PaintFlagsDrawFilter; 26 import android.graphics.Path; 27 import android.graphics.Picture; 28 import android.graphics.PorterDuff; 29 import android.graphics.Rect; 30 import android.graphics.RectF; 31 import android.graphics.Region; 32 import android.graphics.Shader; 33 import android.graphics.SurfaceTexture; 34 import android.graphics.TemporaryBuffer; 35 import android.text.GraphicsOperations; 36 import android.text.SpannableString; 37 import android.text.SpannedString; 38 import android.text.TextUtils; 39 40 /** 41 * An implementation of Canvas on top of OpenGL ES 2.0. 42 */ 43 class GLES20Canvas extends HardwareCanvas { 44 // Must match modifiers used in the JNI layer 45 private static final int MODIFIER_NONE = 0; 46 private static final int MODIFIER_SHADOW = 1; 47 private static final int MODIFIER_SHADER = 2; 48 private static final int MODIFIER_COLOR_FILTER = 4; 49 50 private final boolean mOpaque; 51 private int mRenderer; 52 53 // The native renderer will be destroyed when this object dies. 54 // DO NOT overwrite this reference once it is set. 55 @SuppressWarnings({"unused", "FieldCanBeLocal"}) 56 private CanvasFinalizer mFinalizer; 57 58 private int mWidth; 59 private int mHeight; 60 61 private final float[] mPoint = new float[2]; 62 private final float[] mLine = new float[4]; 63 64 private final Rect mClipBounds = new Rect(); 65 private final RectF mPathBounds = new RectF(); 66 67 private DrawFilter mFilter; 68 69 /////////////////////////////////////////////////////////////////////////// 70 // JNI 71 /////////////////////////////////////////////////////////////////////////// 72 73 private static native boolean nIsAvailable(); 74 private static boolean sIsAvailable = nIsAvailable(); 75 76 static boolean isAvailable() { 77 return sIsAvailable; 78 } 79 80 /////////////////////////////////////////////////////////////////////////// 81 // Constructors 82 /////////////////////////////////////////////////////////////////////////// 83 84 /** 85 * Creates a canvas to render directly on screen. 86 */ 87 GLES20Canvas(boolean translucent) { 88 this(false, translucent); 89 } 90 91 /** 92 * Creates a canvas to render into an FBO. 93 */ 94 GLES20Canvas(int layer, boolean translucent) { 95 mOpaque = !translucent; 96 mRenderer = nCreateLayerRenderer(layer); 97 setupFinalizer(); 98 } 99 100 protected GLES20Canvas(boolean record, boolean translucent) { 101 mOpaque = !translucent; 102 103 if (record) { 104 mRenderer = nCreateDisplayListRenderer(); 105 } else { 106 mRenderer = nCreateRenderer(); 107 } 108 109 setupFinalizer(); 110 } 111 112 private void setupFinalizer() { 113 if (mRenderer == 0) { 114 throw new IllegalStateException("Could not create GLES20Canvas renderer"); 115 } else { 116 mFinalizer = new CanvasFinalizer(mRenderer); 117 } 118 } 119 120 protected void resetDisplayListRenderer() { 121 nResetDisplayListRenderer(mRenderer); 122 } 123 124 private static native int nCreateRenderer(); 125 private static native int nCreateLayerRenderer(int layer); 126 private static native int nCreateDisplayListRenderer(); 127 private static native void nResetDisplayListRenderer(int renderer); 128 private static native void nDestroyRenderer(int renderer); 129 130 private static final class CanvasFinalizer { 131 private final int mRenderer; 132 133 public CanvasFinalizer(int renderer) { 134 mRenderer = renderer; 135 } 136 137 @Override 138 protected void finalize() throws Throwable { 139 try { 140 nDestroyRenderer(mRenderer); 141 } finally { 142 super.finalize(); 143 } 144 } 145 } 146 147 @Override 148 public void setName(String name) { 149 super.setName(name); 150 nSetName(mRenderer, name); 151 } 152 153 private static native void nSetName(int renderer, String name); 154 155 /////////////////////////////////////////////////////////////////////////// 156 // Hardware layers 157 /////////////////////////////////////////////////////////////////////////// 158 159 @Override 160 void pushLayerUpdate(HardwareLayer layer) { 161 nPushLayerUpdate(mRenderer, ((GLES20RenderLayer) layer).mLayer); 162 } 163 164 @Override 165 void clearLayerUpdates() { 166 nClearLayerUpdates(mRenderer); 167 } 168 169 static native int nCreateTextureLayer(boolean opaque, int[] layerInfo); 170 static native int nCreateLayer(int width, int height, boolean isOpaque, int[] layerInfo); 171 static native boolean nResizeLayer(int layerId, int width, int height, int[] layerInfo); 172 static native void nSetOpaqueLayer(int layerId, boolean isOpaque); 173 static native void nSetLayerPaint(int layerId, int nativePaint); 174 static native void nSetLayerColorFilter(int layerId, int nativeColorFilter); 175 static native void nUpdateTextureLayer(int layerId, int width, int height, boolean opaque, 176 SurfaceTexture surface); 177 static native void nClearLayerTexture(int layerId); 178 static native void nSetTextureLayerTransform(int layerId, int matrix); 179 static native void nDestroyLayer(int layerId); 180 static native void nDestroyLayerDeferred(int layerId); 181 static native void nUpdateRenderLayer(int layerId, int renderer, int displayList, 182 int left, int top, int right, int bottom); 183 static native boolean nCopyLayer(int layerId, int bitmap); 184 185 private static native void nClearLayerUpdates(int renderer); 186 private static native void nPushLayerUpdate(int renderer, int layer); 187 188 /////////////////////////////////////////////////////////////////////////// 189 // Canvas management 190 /////////////////////////////////////////////////////////////////////////// 191 192 @Override 193 public boolean isOpaque() { 194 return mOpaque; 195 } 196 197 @Override 198 public int getWidth() { 199 return mWidth; 200 } 201 202 @Override 203 public int getHeight() { 204 return mHeight; 205 } 206 207 @Override 208 public int getMaximumBitmapWidth() { 209 return nGetMaximumTextureWidth(); 210 } 211 212 @Override 213 public int getMaximumBitmapHeight() { 214 return nGetMaximumTextureHeight(); 215 } 216 217 private static native int nGetMaximumTextureWidth(); 218 private static native int nGetMaximumTextureHeight(); 219 220 /** 221 * Returns the native OpenGLRenderer object. 222 */ 223 int getRenderer() { 224 return mRenderer; 225 } 226 227 /////////////////////////////////////////////////////////////////////////// 228 // Setup 229 /////////////////////////////////////////////////////////////////////////// 230 231 @Override 232 public void setViewport(int width, int height) { 233 mWidth = width; 234 mHeight = height; 235 236 nSetViewport(mRenderer, width, height); 237 } 238 239 private static native void nSetViewport(int renderer, int width, int height); 240 241 @Override 242 public int onPreDraw(Rect dirty) { 243 if (dirty != null) { 244 return nPrepareDirty(mRenderer, dirty.left, dirty.top, dirty.right, dirty.bottom, 245 mOpaque); 246 } else { 247 return nPrepare(mRenderer, mOpaque); 248 } 249 } 250 251 private static native int nPrepare(int renderer, boolean opaque); 252 private static native int nPrepareDirty(int renderer, int left, int top, int right, int bottom, 253 boolean opaque); 254 255 @Override 256 public void onPostDraw() { 257 nFinish(mRenderer); 258 } 259 260 private static native void nFinish(int renderer); 261 262 /** 263 * Returns the size of the stencil buffer required by the underlying 264 * implementation. 265 * 266 * @return The minimum number of bits the stencil buffer must. Always >= 0. 267 * 268 * @hide 269 */ 270 public static int getStencilSize() { 271 return nGetStencilSize(); 272 } 273 274 private static native int nGetStencilSize(); 275 276 /////////////////////////////////////////////////////////////////////////// 277 // Functor 278 /////////////////////////////////////////////////////////////////////////// 279 280 @Override 281 public int callDrawGLFunction(int drawGLFunction) { 282 return nCallDrawGLFunction(mRenderer, drawGLFunction); 283 } 284 285 private static native int nCallDrawGLFunction(int renderer, int drawGLFunction); 286 287 @Override 288 public int invokeFunctors(Rect dirty) { 289 return nInvokeFunctors(mRenderer, dirty); 290 } 291 292 private static native int nInvokeFunctors(int renderer, Rect dirty); 293 294 @Override 295 public void detachFunctor(int functor) { 296 nDetachFunctor(mRenderer, functor); 297 } 298 299 private static native void nDetachFunctor(int renderer, int functor); 300 301 @Override 302 public void attachFunctor(int functor) { 303 nAttachFunctor(mRenderer, functor); 304 } 305 306 private static native void nAttachFunctor(int renderer, int functor); 307 308 /////////////////////////////////////////////////////////////////////////// 309 // Memory 310 /////////////////////////////////////////////////////////////////////////// 311 312 /** 313 * Must match Caches::FlushMode values 314 * 315 * @see #flushCaches(int) 316 */ 317 public static final int FLUSH_CACHES_LAYERS = 0; 318 319 /** 320 * Must match Caches::FlushMode values 321 * 322 * @see #flushCaches(int) 323 */ 324 public static final int FLUSH_CACHES_MODERATE = 1; 325 326 /** 327 * Must match Caches::FlushMode values 328 * 329 * @see #flushCaches(int) 330 */ 331 public static final int FLUSH_CACHES_FULL = 2; 332 333 /** 334 * Flush caches to reclaim as much memory as possible. The amount of memory 335 * to reclaim is indicate by the level parameter. 336 * 337 * The level can be one of {@link #FLUSH_CACHES_MODERATE} or 338 * {@link #FLUSH_CACHES_FULL}. 339 * 340 * @param level Hint about the amount of memory to reclaim 341 * 342 * @hide 343 */ 344 public static void flushCaches(int level) { 345 nFlushCaches(level); 346 } 347 348 private static native void nFlushCaches(int level); 349 350 /** 351 * Release all resources associated with the underlying caches. This should 352 * only be called after a full flushCaches(). 353 * 354 * @hide 355 */ 356 public static void terminateCaches() { 357 nTerminateCaches(); 358 } 359 360 private static native void nTerminateCaches(); 361 362 /** 363 * @hide 364 */ 365 public static void initCaches() { 366 nInitCaches(); 367 } 368 369 private static native void nInitCaches(); 370 371 /////////////////////////////////////////////////////////////////////////// 372 // Display list 373 /////////////////////////////////////////////////////////////////////////// 374 375 int getDisplayList(int displayList) { 376 return nGetDisplayList(mRenderer, displayList); 377 } 378 379 private static native int nGetDisplayList(int renderer, int displayList); 380 381 @Override 382 void outputDisplayList(DisplayList displayList) { 383 nOutputDisplayList(mRenderer, ((GLES20DisplayList) displayList).getNativeDisplayList()); 384 } 385 386 private static native void nOutputDisplayList(int renderer, int displayList); 387 388 @Override 389 public int drawDisplayList(DisplayList displayList, Rect dirty, int flags) { 390 return nDrawDisplayList(mRenderer, ((GLES20DisplayList) displayList).getNativeDisplayList(), 391 dirty, flags); 392 } 393 394 private static native int nDrawDisplayList(int renderer, int displayList, 395 Rect dirty, int flags); 396 397 /////////////////////////////////////////////////////////////////////////// 398 // Hardware layer 399 /////////////////////////////////////////////////////////////////////////// 400 401 void drawHardwareLayer(HardwareLayer layer, float x, float y, Paint paint) { 402 layer.setLayerPaint(paint); 403 404 final GLES20Layer glLayer = (GLES20Layer) layer; 405 nDrawLayer(mRenderer, glLayer.getLayer(), x, y); 406 } 407 408 private static native void nDrawLayer(int renderer, int layer, float x, float y); 409 410 void interrupt() { 411 nInterrupt(mRenderer); 412 } 413 414 void resume() { 415 nResume(mRenderer); 416 } 417 418 private static native void nInterrupt(int renderer); 419 private static native void nResume(int renderer); 420 421 /////////////////////////////////////////////////////////////////////////// 422 // Clipping 423 /////////////////////////////////////////////////////////////////////////// 424 425 @Override 426 public boolean clipPath(Path path) { 427 return nClipPath(mRenderer, path.mNativePath, Region.Op.INTERSECT.nativeInt); 428 } 429 430 @Override 431 public boolean clipPath(Path path, Region.Op op) { 432 return nClipPath(mRenderer, path.mNativePath, op.nativeInt); 433 } 434 435 private static native boolean nClipPath(int renderer, int path, int op); 436 437 @Override 438 public boolean clipRect(float left, float top, float right, float bottom) { 439 return nClipRect(mRenderer, left, top, right, bottom, Region.Op.INTERSECT.nativeInt); 440 } 441 442 private static native boolean nClipRect(int renderer, float left, float top, 443 float right, float bottom, int op); 444 445 @Override 446 public boolean clipRect(float left, float top, float right, float bottom, Region.Op op) { 447 return nClipRect(mRenderer, left, top, right, bottom, op.nativeInt); 448 } 449 450 @Override 451 public boolean clipRect(int left, int top, int right, int bottom) { 452 return nClipRect(mRenderer, left, top, right, bottom, Region.Op.INTERSECT.nativeInt); 453 } 454 455 private static native boolean nClipRect(int renderer, int left, int top, 456 int right, int bottom, int op); 457 458 @Override 459 public boolean clipRect(Rect rect) { 460 return nClipRect(mRenderer, rect.left, rect.top, rect.right, rect.bottom, 461 Region.Op.INTERSECT.nativeInt); 462 } 463 464 @Override 465 public boolean clipRect(Rect rect, Region.Op op) { 466 return nClipRect(mRenderer, rect.left, rect.top, rect.right, rect.bottom, op.nativeInt); 467 } 468 469 @Override 470 public boolean clipRect(RectF rect) { 471 return nClipRect(mRenderer, rect.left, rect.top, rect.right, rect.bottom, 472 Region.Op.INTERSECT.nativeInt); 473 } 474 475 @Override 476 public boolean clipRect(RectF rect, Region.Op op) { 477 return nClipRect(mRenderer, rect.left, rect.top, rect.right, rect.bottom, op.nativeInt); 478 } 479 480 @Override 481 public boolean clipRegion(Region region) { 482 return nClipRegion(mRenderer, region.mNativeRegion, Region.Op.INTERSECT.nativeInt); 483 } 484 485 @Override 486 public boolean clipRegion(Region region, Region.Op op) { 487 return nClipRegion(mRenderer, region.mNativeRegion, op.nativeInt); 488 } 489 490 private static native boolean nClipRegion(int renderer, int region, int op); 491 492 @Override 493 public boolean getClipBounds(Rect bounds) { 494 return nGetClipBounds(mRenderer, bounds); 495 } 496 497 private static native boolean nGetClipBounds(int renderer, Rect bounds); 498 499 @Override 500 public boolean quickReject(float left, float top, float right, float bottom, EdgeType type) { 501 return nQuickReject(mRenderer, left, top, right, bottom); 502 } 503 504 private static native boolean nQuickReject(int renderer, float left, float top, 505 float right, float bottom); 506 507 @Override 508 public boolean quickReject(Path path, EdgeType type) { 509 path.computeBounds(mPathBounds, true); 510 return nQuickReject(mRenderer, mPathBounds.left, mPathBounds.top, 511 mPathBounds.right, mPathBounds.bottom); 512 } 513 514 @Override 515 public boolean quickReject(RectF rect, EdgeType type) { 516 return nQuickReject(mRenderer, rect.left, rect.top, rect.right, rect.bottom); 517 } 518 519 /////////////////////////////////////////////////////////////////////////// 520 // Transformations 521 /////////////////////////////////////////////////////////////////////////// 522 523 @Override 524 public void translate(float dx, float dy) { 525 if (dx != 0.0f || dy != 0.0f) nTranslate(mRenderer, dx, dy); 526 } 527 528 private static native void nTranslate(int renderer, float dx, float dy); 529 530 @Override 531 public void skew(float sx, float sy) { 532 nSkew(mRenderer, sx, sy); 533 } 534 535 private static native void nSkew(int renderer, float sx, float sy); 536 537 @Override 538 public void rotate(float degrees) { 539 nRotate(mRenderer, degrees); 540 } 541 542 private static native void nRotate(int renderer, float degrees); 543 544 @Override 545 public void scale(float sx, float sy) { 546 nScale(mRenderer, sx, sy); 547 } 548 549 private static native void nScale(int renderer, float sx, float sy); 550 551 @Override 552 public void setMatrix(Matrix matrix) { 553 nSetMatrix(mRenderer, matrix == null ? 0 : matrix.native_instance); 554 } 555 556 private static native void nSetMatrix(int renderer, int matrix); 557 558 @SuppressWarnings("deprecation") 559 @Override 560 public void getMatrix(Matrix matrix) { 561 nGetMatrix(mRenderer, matrix.native_instance); 562 } 563 564 private static native void nGetMatrix(int renderer, int matrix); 565 566 @Override 567 public void concat(Matrix matrix) { 568 nConcatMatrix(mRenderer, matrix.native_instance); 569 } 570 571 private static native void nConcatMatrix(int renderer, int matrix); 572 573 /////////////////////////////////////////////////////////////////////////// 574 // State management 575 /////////////////////////////////////////////////////////////////////////// 576 577 @Override 578 public int save() { 579 return nSave(mRenderer, Canvas.CLIP_SAVE_FLAG | Canvas.MATRIX_SAVE_FLAG); 580 } 581 582 @Override 583 public int save(int saveFlags) { 584 return nSave(mRenderer, saveFlags); 585 } 586 587 private static native int nSave(int renderer, int flags); 588 589 @Override 590 public int saveLayer(RectF bounds, Paint paint, int saveFlags) { 591 if (bounds != null) { 592 return saveLayer(bounds.left, bounds.top, bounds.right, bounds.bottom, paint, saveFlags); 593 } 594 595 int count; 596 int modifier = paint != null ? setupColorFilter(paint) : MODIFIER_NONE; 597 try { 598 final int nativePaint = paint == null ? 0 : paint.mNativePaint; 599 count = nSaveLayer(mRenderer, nativePaint, saveFlags); 600 } finally { 601 if (modifier != MODIFIER_NONE) nResetModifiers(mRenderer, modifier); 602 } 603 return count; 604 } 605 606 private static native int nSaveLayer(int renderer, int paint, int saveFlags); 607 608 @Override 609 public int saveLayer(float left, float top, float right, float bottom, Paint paint, 610 int saveFlags) { 611 if (left < right && top < bottom) { 612 int count; 613 int modifier = paint != null ? setupColorFilter(paint) : MODIFIER_NONE; 614 try { 615 final int nativePaint = paint == null ? 0 : paint.mNativePaint; 616 count = nSaveLayer(mRenderer, left, top, right, bottom, nativePaint, saveFlags); 617 } finally { 618 if (modifier != MODIFIER_NONE) nResetModifiers(mRenderer, modifier); 619 } 620 return count; 621 } 622 return save(saveFlags); 623 } 624 625 private static native int nSaveLayer(int renderer, float left, float top, 626 float right, float bottom, int paint, int saveFlags); 627 628 @Override 629 public int saveLayerAlpha(RectF bounds, int alpha, int saveFlags) { 630 if (bounds != null) { 631 return saveLayerAlpha(bounds.left, bounds.top, bounds.right, bounds.bottom, 632 alpha, saveFlags); 633 } 634 return nSaveLayerAlpha(mRenderer, alpha, saveFlags); 635 } 636 637 private static native int nSaveLayerAlpha(int renderer, int alpha, int saveFlags); 638 639 @Override 640 public int saveLayerAlpha(float left, float top, float right, float bottom, int alpha, 641 int saveFlags) { 642 if (left < right && top < bottom) { 643 return nSaveLayerAlpha(mRenderer, left, top, right, bottom, alpha, saveFlags); 644 } 645 return save(saveFlags); 646 } 647 648 private static native int nSaveLayerAlpha(int renderer, float left, float top, float right, 649 float bottom, int alpha, int saveFlags); 650 651 @Override 652 public void restore() { 653 nRestore(mRenderer); 654 } 655 656 private static native void nRestore(int renderer); 657 658 @Override 659 public void restoreToCount(int saveCount) { 660 nRestoreToCount(mRenderer, saveCount); 661 } 662 663 private static native void nRestoreToCount(int renderer, int saveCount); 664 665 @Override 666 public int getSaveCount() { 667 return nGetSaveCount(mRenderer); 668 } 669 670 private static native int nGetSaveCount(int renderer); 671 672 /////////////////////////////////////////////////////////////////////////// 673 // Filtering 674 /////////////////////////////////////////////////////////////////////////// 675 676 @Override 677 public void setDrawFilter(DrawFilter filter) { 678 mFilter = filter; 679 if (filter == null) { 680 nResetPaintFilter(mRenderer); 681 } else if (filter instanceof PaintFlagsDrawFilter) { 682 PaintFlagsDrawFilter flagsFilter = (PaintFlagsDrawFilter) filter; 683 nSetupPaintFilter(mRenderer, flagsFilter.clearBits, flagsFilter.setBits); 684 } 685 } 686 687 private static native void nResetPaintFilter(int renderer); 688 private static native void nSetupPaintFilter(int renderer, int clearBits, int setBits); 689 690 @Override 691 public DrawFilter getDrawFilter() { 692 return mFilter; 693 } 694 695 /////////////////////////////////////////////////////////////////////////// 696 // Drawing 697 /////////////////////////////////////////////////////////////////////////// 698 699 @Override 700 public void drawArc(RectF oval, float startAngle, float sweepAngle, boolean useCenter, 701 Paint paint) { 702 int modifiers = setupModifiers(paint, MODIFIER_COLOR_FILTER | MODIFIER_SHADER); 703 try { 704 nDrawArc(mRenderer, oval.left, oval.top, oval.right, oval.bottom, 705 startAngle, sweepAngle, useCenter, paint.mNativePaint); 706 } finally { 707 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 708 } 709 } 710 711 private static native void nDrawArc(int renderer, float left, float top, 712 float right, float bottom, float startAngle, float sweepAngle, 713 boolean useCenter, int paint); 714 715 @Override 716 public void drawARGB(int a, int r, int g, int b) { 717 drawColor((a & 0xFF) << 24 | (r & 0xFF) << 16 | (g & 0xFF) << 8 | (b & 0xFF)); 718 } 719 720 @Override 721 public void drawPatch(Bitmap bitmap, byte[] chunks, RectF dst, Paint paint) { 722 if (bitmap.isRecycled()) throw new IllegalArgumentException("Cannot draw recycled bitmaps"); 723 // Shaders are ignored when drawing patches 724 int modifier = paint != null ? setupColorFilter(paint) : MODIFIER_NONE; 725 try { 726 final int nativePaint = paint == null ? 0 : paint.mNativePaint; 727 nDrawPatch(mRenderer, bitmap.mNativeBitmap, bitmap.mBuffer, chunks, 728 dst.left, dst.top, dst.right, dst.bottom, nativePaint); 729 } finally { 730 if (modifier != MODIFIER_NONE) nResetModifiers(mRenderer, modifier); 731 } 732 } 733 734 private static native void nDrawPatch(int renderer, int bitmap, byte[] buffer, byte[] chunks, 735 float left, float top, float right, float bottom, int paint); 736 737 @Override 738 public void drawBitmap(Bitmap bitmap, float left, float top, Paint paint) { 739 if (bitmap.isRecycled()) throw new IllegalArgumentException("Cannot draw recycled bitmaps"); 740 // Shaders are ignored when drawing bitmaps 741 int modifiers = paint != null ? setupModifiers(bitmap, paint) : MODIFIER_NONE; 742 try { 743 final int nativePaint = paint == null ? 0 : paint.mNativePaint; 744 nDrawBitmap(mRenderer, bitmap.mNativeBitmap, bitmap.mBuffer, left, top, nativePaint); 745 } finally { 746 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 747 } 748 } 749 750 private static native void nDrawBitmap( 751 int renderer, int bitmap, byte[] buffer, float left, float top, int paint); 752 753 @Override 754 public void drawBitmap(Bitmap bitmap, Matrix matrix, Paint paint) { 755 if (bitmap.isRecycled()) throw new IllegalArgumentException("Cannot draw recycled bitmaps"); 756 // Shaders are ignored when drawing bitmaps 757 int modifiers = paint != null ? setupModifiers(bitmap, paint) : MODIFIER_NONE; 758 try { 759 final int nativePaint = paint == null ? 0 : paint.mNativePaint; 760 nDrawBitmap(mRenderer, bitmap.mNativeBitmap, bitmap.mBuffer, 761 matrix.native_instance, nativePaint); 762 } finally { 763 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 764 } 765 } 766 767 private static native void nDrawBitmap(int renderer, int bitmap, byte[] buff, 768 int matrix, int paint); 769 770 @Override 771 public void drawBitmap(Bitmap bitmap, Rect src, Rect dst, Paint paint) { 772 if (bitmap.isRecycled()) throw new IllegalArgumentException("Cannot draw recycled bitmaps"); 773 // Shaders are ignored when drawing bitmaps 774 int modifiers = paint != null ? setupModifiers(bitmap, paint) : MODIFIER_NONE; 775 try { 776 final int nativePaint = paint == null ? 0 : paint.mNativePaint; 777 778 int left, top, right, bottom; 779 if (src == null) { 780 left = top = 0; 781 right = bitmap.getWidth(); 782 bottom = bitmap.getHeight(); 783 } else { 784 left = src.left; 785 right = src.right; 786 top = src.top; 787 bottom = src.bottom; 788 } 789 790 nDrawBitmap(mRenderer, bitmap.mNativeBitmap, bitmap.mBuffer, left, top, right, bottom, 791 dst.left, dst.top, dst.right, dst.bottom, nativePaint); 792 } finally { 793 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 794 } 795 } 796 797 @Override 798 public void drawBitmap(Bitmap bitmap, Rect src, RectF dst, Paint paint) { 799 if (bitmap.isRecycled()) throw new IllegalArgumentException("Cannot draw recycled bitmaps"); 800 // Shaders are ignored when drawing bitmaps 801 int modifiers = paint != null ? setupModifiers(bitmap, paint) : MODIFIER_NONE; 802 try { 803 final int nativePaint = paint == null ? 0 : paint.mNativePaint; 804 805 float left, top, right, bottom; 806 if (src == null) { 807 left = top = 0; 808 right = bitmap.getWidth(); 809 bottom = bitmap.getHeight(); 810 } else { 811 left = src.left; 812 right = src.right; 813 top = src.top; 814 bottom = src.bottom; 815 } 816 817 nDrawBitmap(mRenderer, bitmap.mNativeBitmap, bitmap.mBuffer, left, top, right, bottom, 818 dst.left, dst.top, dst.right, dst.bottom, nativePaint); 819 } finally { 820 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 821 } 822 } 823 824 private static native void nDrawBitmap(int renderer, int bitmap, byte[] buffer, 825 float srcLeft, float srcTop, float srcRight, float srcBottom, 826 float left, float top, float right, float bottom, int paint); 827 828 @Override 829 public void drawBitmap(int[] colors, int offset, int stride, float x, float y, 830 int width, int height, boolean hasAlpha, Paint paint) { 831 if (width < 0) { 832 throw new IllegalArgumentException("width must be >= 0"); 833 } 834 835 if (height < 0) { 836 throw new IllegalArgumentException("height must be >= 0"); 837 } 838 839 if (Math.abs(stride) < width) { 840 throw new IllegalArgumentException("abs(stride) must be >= width"); 841 } 842 843 int lastScanline = offset + (height - 1) * stride; 844 int length = colors.length; 845 846 if (offset < 0 || (offset + width > length) || lastScanline < 0 || 847 (lastScanline + width > length)) { 848 throw new ArrayIndexOutOfBoundsException(); 849 } 850 851 // Shaders are ignored when drawing bitmaps 852 int modifier = paint != null ? setupColorFilter(paint) : MODIFIER_NONE; 853 try { 854 final int nativePaint = paint == null ? 0 : paint.mNativePaint; 855 nDrawBitmap(mRenderer, colors, offset, stride, x, y, 856 width, height, hasAlpha, nativePaint); 857 } finally { 858 if (modifier != MODIFIER_NONE) nResetModifiers(mRenderer, modifier); 859 } 860 } 861 862 private static native void nDrawBitmap(int renderer, int[] colors, int offset, int stride, 863 float x, float y, int width, int height, boolean hasAlpha, int nativePaint); 864 865 @Override 866 public void drawBitmap(int[] colors, int offset, int stride, int x, int y, 867 int width, int height, boolean hasAlpha, Paint paint) { 868 // Shaders are ignored when drawing bitmaps 869 drawBitmap(colors, offset, stride, (float) x, (float) y, width, height, hasAlpha, paint); 870 } 871 872 @Override 873 public void drawBitmapMesh(Bitmap bitmap, int meshWidth, int meshHeight, float[] verts, 874 int vertOffset, int[] colors, int colorOffset, Paint paint) { 875 if (bitmap.isRecycled()) throw new IllegalArgumentException("Cannot draw recycled bitmaps"); 876 if (meshWidth < 0 || meshHeight < 0 || vertOffset < 0 || colorOffset < 0) { 877 throw new ArrayIndexOutOfBoundsException(); 878 } 879 880 if (meshWidth == 0 || meshHeight == 0) { 881 return; 882 } 883 884 final int count = (meshWidth + 1) * (meshHeight + 1); 885 checkRange(verts.length, vertOffset, count * 2); 886 887 if (colors != null) { 888 checkRange(colors.length, colorOffset, count); 889 } 890 891 int modifiers = paint != null ? setupModifiers(bitmap, paint) : MODIFIER_NONE; 892 try { 893 final int nativePaint = paint == null ? 0 : paint.mNativePaint; 894 nDrawBitmapMesh(mRenderer, bitmap.mNativeBitmap, bitmap.mBuffer, meshWidth, meshHeight, 895 verts, vertOffset, colors, colorOffset, nativePaint); 896 } finally { 897 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 898 } 899 } 900 901 private static native void nDrawBitmapMesh(int renderer, int bitmap, byte[] buffer, 902 int meshWidth, int meshHeight, float[] verts, int vertOffset, 903 int[] colors, int colorOffset, int paint); 904 905 @Override 906 public void drawCircle(float cx, float cy, float radius, Paint paint) { 907 int modifiers = setupModifiers(paint, MODIFIER_COLOR_FILTER | MODIFIER_SHADER); 908 try { 909 nDrawCircle(mRenderer, cx, cy, radius, paint.mNativePaint); 910 } finally { 911 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 912 } 913 } 914 915 private static native void nDrawCircle(int renderer, float cx, float cy, 916 float radius, int paint); 917 918 @Override 919 public void drawColor(int color) { 920 drawColor(color, PorterDuff.Mode.SRC_OVER); 921 } 922 923 @Override 924 public void drawColor(int color, PorterDuff.Mode mode) { 925 nDrawColor(mRenderer, color, mode.nativeInt); 926 } 927 928 private static native void nDrawColor(int renderer, int color, int mode); 929 930 @Override 931 public void drawLine(float startX, float startY, float stopX, float stopY, Paint paint) { 932 mLine[0] = startX; 933 mLine[1] = startY; 934 mLine[2] = stopX; 935 mLine[3] = stopY; 936 drawLines(mLine, 0, 4, paint); 937 } 938 939 @Override 940 public void drawLines(float[] pts, int offset, int count, Paint paint) { 941 if (count < 4) return; 942 943 if ((offset | count) < 0 || offset + count > pts.length) { 944 throw new IllegalArgumentException("The lines array must contain 4 elements per line."); 945 } 946 int modifiers = setupModifiers(paint, MODIFIER_COLOR_FILTER | MODIFIER_SHADER); 947 try { 948 nDrawLines(mRenderer, pts, offset, count, paint.mNativePaint); 949 } finally { 950 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 951 } 952 } 953 954 private static native void nDrawLines(int renderer, float[] points, 955 int offset, int count, int paint); 956 957 @Override 958 public void drawLines(float[] pts, Paint paint) { 959 drawLines(pts, 0, pts.length, paint); 960 } 961 962 @Override 963 public void drawOval(RectF oval, Paint paint) { 964 int modifiers = setupModifiers(paint, MODIFIER_COLOR_FILTER | MODIFIER_SHADER); 965 try { 966 nDrawOval(mRenderer, oval.left, oval.top, oval.right, oval.bottom, paint.mNativePaint); 967 } finally { 968 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 969 } 970 } 971 972 private static native void nDrawOval(int renderer, float left, float top, 973 float right, float bottom, int paint); 974 975 @Override 976 public void drawPaint(Paint paint) { 977 final Rect r = mClipBounds; 978 nGetClipBounds(mRenderer, r); 979 drawRect(r.left, r.top, r.right, r.bottom, paint); 980 } 981 982 @Override 983 public void drawPath(Path path, Paint paint) { 984 int modifiers = setupModifiers(paint, MODIFIER_COLOR_FILTER | MODIFIER_SHADER); 985 try { 986 if (path.isSimplePath) { 987 if (path.rects != null) { 988 nDrawRects(mRenderer, path.rects.mNativeRegion, paint.mNativePaint); 989 } 990 } else { 991 nDrawPath(mRenderer, path.mNativePath, paint.mNativePaint); 992 } 993 } finally { 994 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 995 } 996 } 997 998 private static native void nDrawPath(int renderer, int path, int paint); 999 private static native void nDrawRects(int renderer, int region, int paint); 1000 1001 void drawRects(float[] rects, int count, Paint paint) { 1002 int modifiers = setupModifiers(paint, MODIFIER_COLOR_FILTER | MODIFIER_SHADER); 1003 try { 1004 nDrawRects(mRenderer, rects, count, paint.mNativePaint); 1005 } finally { 1006 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1007 } 1008 } 1009 1010 private static native void nDrawRects(int renderer, float[] rects, int count, int paint); 1011 1012 @Override 1013 public void drawPicture(Picture picture) { 1014 if (picture.createdFromStream) { 1015 return; 1016 } 1017 1018 picture.endRecording(); 1019 // TODO: Implement rendering 1020 } 1021 1022 @Override 1023 public void drawPicture(Picture picture, Rect dst) { 1024 if (picture.createdFromStream) { 1025 return; 1026 } 1027 1028 save(); 1029 translate(dst.left, dst.top); 1030 if (picture.getWidth() > 0 && picture.getHeight() > 0) { 1031 scale(dst.width() / picture.getWidth(), dst.height() / picture.getHeight()); 1032 } 1033 drawPicture(picture); 1034 restore(); 1035 } 1036 1037 @Override 1038 public void drawPicture(Picture picture, RectF dst) { 1039 if (picture.createdFromStream) { 1040 return; 1041 } 1042 1043 save(); 1044 translate(dst.left, dst.top); 1045 if (picture.getWidth() > 0 && picture.getHeight() > 0) { 1046 scale(dst.width() / picture.getWidth(), dst.height() / picture.getHeight()); 1047 } 1048 drawPicture(picture); 1049 restore(); 1050 } 1051 1052 @Override 1053 public void drawPoint(float x, float y, Paint paint) { 1054 mPoint[0] = x; 1055 mPoint[1] = y; 1056 drawPoints(mPoint, 0, 2, paint); 1057 } 1058 1059 @Override 1060 public void drawPoints(float[] pts, Paint paint) { 1061 drawPoints(pts, 0, pts.length, paint); 1062 } 1063 1064 @Override 1065 public void drawPoints(float[] pts, int offset, int count, Paint paint) { 1066 if (count < 2) return; 1067 1068 int modifiers = setupModifiers(paint, MODIFIER_COLOR_FILTER | MODIFIER_SHADER); 1069 try { 1070 nDrawPoints(mRenderer, pts, offset, count, paint.mNativePaint); 1071 } finally { 1072 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1073 } 1074 } 1075 1076 private static native void nDrawPoints(int renderer, float[] points, 1077 int offset, int count, int paint); 1078 1079 @SuppressWarnings("deprecation") 1080 @Override 1081 public void drawPosText(char[] text, int index, int count, float[] pos, Paint paint) { 1082 if (index < 0 || index + count > text.length || count * 2 > pos.length) { 1083 throw new IndexOutOfBoundsException(); 1084 } 1085 1086 int modifiers = setupModifiers(paint); 1087 try { 1088 nDrawPosText(mRenderer, text, index, count, pos, paint.mNativePaint); 1089 } finally { 1090 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1091 } 1092 } 1093 1094 private static native void nDrawPosText(int renderer, char[] text, int index, int count, 1095 float[] pos, int paint); 1096 1097 @SuppressWarnings("deprecation") 1098 @Override 1099 public void drawPosText(String text, float[] pos, Paint paint) { 1100 if (text.length() * 2 > pos.length) { 1101 throw new ArrayIndexOutOfBoundsException(); 1102 } 1103 1104 int modifiers = setupModifiers(paint); 1105 try { 1106 nDrawPosText(mRenderer, text, 0, text.length(), pos, paint.mNativePaint); 1107 } finally { 1108 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1109 } 1110 } 1111 1112 private static native void nDrawPosText(int renderer, String text, int start, int end, 1113 float[] pos, int paint); 1114 1115 @Override 1116 public void drawRect(float left, float top, float right, float bottom, Paint paint) { 1117 if (left == right || top == bottom) return; 1118 int modifiers = setupModifiers(paint, MODIFIER_COLOR_FILTER | MODIFIER_SHADER); 1119 try { 1120 nDrawRect(mRenderer, left, top, right, bottom, paint.mNativePaint); 1121 } finally { 1122 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1123 } 1124 } 1125 1126 private static native void nDrawRect(int renderer, float left, float top, 1127 float right, float bottom, int paint); 1128 1129 @Override 1130 public void drawRect(Rect r, Paint paint) { 1131 drawRect(r.left, r.top, r.right, r.bottom, paint); 1132 } 1133 1134 @Override 1135 public void drawRect(RectF r, Paint paint) { 1136 drawRect(r.left, r.top, r.right, r.bottom, paint); 1137 } 1138 1139 @Override 1140 public void drawRGB(int r, int g, int b) { 1141 drawColor(0xFF000000 | (r & 0xFF) << 16 | (g & 0xFF) << 8 | (b & 0xFF)); 1142 } 1143 1144 @Override 1145 public void drawRoundRect(RectF rect, float rx, float ry, Paint paint) { 1146 int modifiers = setupModifiers(paint, MODIFIER_COLOR_FILTER | MODIFIER_SHADER); 1147 try { 1148 nDrawRoundRect(mRenderer, rect.left, rect.top, rect.right, rect.bottom, 1149 rx, ry, paint.mNativePaint); 1150 } finally { 1151 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1152 } 1153 } 1154 1155 private static native void nDrawRoundRect(int renderer, float left, float top, 1156 float right, float bottom, float rx, float y, int paint); 1157 1158 @Override 1159 public void drawText(char[] text, int index, int count, float x, float y, Paint paint) { 1160 if ((index | count | (index + count) | (text.length - index - count)) < 0) { 1161 throw new IndexOutOfBoundsException(); 1162 } 1163 1164 int modifiers = setupModifiers(paint); 1165 try { 1166 nDrawText(mRenderer, text, index, count, x, y, paint.mBidiFlags, paint.mNativePaint); 1167 } finally { 1168 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1169 } 1170 } 1171 1172 private static native void nDrawText(int renderer, char[] text, int index, int count, 1173 float x, float y, int bidiFlags, int paint); 1174 1175 @Override 1176 public void drawText(CharSequence text, int start, int end, float x, float y, Paint paint) { 1177 int modifiers = setupModifiers(paint); 1178 try { 1179 if (text instanceof String || text instanceof SpannedString || 1180 text instanceof SpannableString) { 1181 nDrawText(mRenderer, text.toString(), start, end, x, y, paint.mBidiFlags, 1182 paint.mNativePaint); 1183 } else if (text instanceof GraphicsOperations) { 1184 ((GraphicsOperations) text).drawText(this, start, end, x, y, 1185 paint); 1186 } else { 1187 char[] buf = TemporaryBuffer.obtain(end - start); 1188 TextUtils.getChars(text, start, end, buf, 0); 1189 nDrawText(mRenderer, buf, 0, end - start, x, y, 1190 paint.mBidiFlags, paint.mNativePaint); 1191 TemporaryBuffer.recycle(buf); 1192 } 1193 } finally { 1194 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1195 } 1196 } 1197 1198 @Override 1199 public void drawText(String text, int start, int end, float x, float y, Paint paint) { 1200 if ((start | end | (end - start) | (text.length() - end)) < 0) { 1201 throw new IndexOutOfBoundsException(); 1202 } 1203 1204 int modifiers = setupModifiers(paint); 1205 try { 1206 nDrawText(mRenderer, text, start, end, x, y, paint.mBidiFlags, paint.mNativePaint); 1207 } finally { 1208 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1209 } 1210 } 1211 1212 private static native void nDrawText(int renderer, String text, int start, int end, 1213 float x, float y, int bidiFlags, int paint); 1214 1215 @Override 1216 public void drawText(String text, float x, float y, Paint paint) { 1217 int modifiers = setupModifiers(paint); 1218 try { 1219 nDrawText(mRenderer, text, 0, text.length(), x, y, paint.mBidiFlags, 1220 paint.mNativePaint); 1221 } finally { 1222 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1223 } 1224 } 1225 1226 @Override 1227 public void drawTextOnPath(char[] text, int index, int count, Path path, float hOffset, 1228 float vOffset, Paint paint) { 1229 if (index < 0 || index + count > text.length) { 1230 throw new ArrayIndexOutOfBoundsException(); 1231 } 1232 1233 int modifiers = setupModifiers(paint); 1234 try { 1235 nDrawTextOnPath(mRenderer, text, index, count, path.mNativePath, hOffset, vOffset, 1236 paint.mBidiFlags, paint.mNativePaint); 1237 } finally { 1238 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1239 } 1240 } 1241 1242 private static native void nDrawTextOnPath(int renderer, char[] text, int index, int count, 1243 int path, float hOffset, float vOffset, int bidiFlags, int nativePaint); 1244 1245 @Override 1246 public void drawTextOnPath(String text, Path path, float hOffset, float vOffset, Paint paint) { 1247 if (text.length() == 0) return; 1248 1249 int modifiers = setupModifiers(paint); 1250 try { 1251 nDrawTextOnPath(mRenderer, text, 0, text.length(), path.mNativePath, hOffset, vOffset, 1252 paint.mBidiFlags, paint.mNativePaint); 1253 } finally { 1254 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1255 } 1256 } 1257 1258 private static native void nDrawTextOnPath(int renderer, String text, int start, int end, 1259 int path, float hOffset, float vOffset, int bidiFlags, int nativePaint); 1260 1261 @Override 1262 public void drawTextRun(char[] text, int index, int count, int contextIndex, int contextCount, 1263 float x, float y, int dir, Paint paint) { 1264 if ((index | count | text.length - index - count) < 0) { 1265 throw new IndexOutOfBoundsException(); 1266 } 1267 if (dir != DIRECTION_LTR && dir != DIRECTION_RTL) { 1268 throw new IllegalArgumentException("Unknown direction: " + dir); 1269 } 1270 1271 int modifiers = setupModifiers(paint); 1272 try { 1273 nDrawTextRun(mRenderer, text, index, count, contextIndex, contextCount, x, y, dir, 1274 paint.mNativePaint); 1275 } finally { 1276 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1277 } 1278 } 1279 1280 private static native void nDrawTextRun(int renderer, char[] text, int index, int count, 1281 int contextIndex, int contextCount, float x, float y, int dir, int nativePaint); 1282 1283 @Override 1284 public void drawTextRun(CharSequence text, int start, int end, int contextStart, int contextEnd, 1285 float x, float y, int dir, Paint paint) { 1286 if ((start | end | end - start | text.length() - end) < 0) { 1287 throw new IndexOutOfBoundsException(); 1288 } 1289 1290 int modifiers = setupModifiers(paint); 1291 try { 1292 int flags = dir == 0 ? 0 : 1; 1293 if (text instanceof String || text instanceof SpannedString || 1294 text instanceof SpannableString) { 1295 nDrawTextRun(mRenderer, text.toString(), start, end, contextStart, 1296 contextEnd, x, y, flags, paint.mNativePaint); 1297 } else if (text instanceof GraphicsOperations) { 1298 ((GraphicsOperations) text).drawTextRun(this, start, end, 1299 contextStart, contextEnd, x, y, flags, paint); 1300 } else { 1301 int contextLen = contextEnd - contextStart; 1302 int len = end - start; 1303 char[] buf = TemporaryBuffer.obtain(contextLen); 1304 TextUtils.getChars(text, contextStart, contextEnd, buf, 0); 1305 nDrawTextRun(mRenderer, buf, start - contextStart, len, 0, contextLen, 1306 x, y, flags, paint.mNativePaint); 1307 TemporaryBuffer.recycle(buf); 1308 } 1309 } finally { 1310 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1311 } 1312 } 1313 1314 private static native void nDrawTextRun(int renderer, String text, int start, int end, 1315 int contextStart, int contextEnd, float x, float y, int flags, int nativePaint); 1316 1317 @Override 1318 public void drawVertices(VertexMode mode, int vertexCount, float[] verts, int vertOffset, 1319 float[] texs, int texOffset, int[] colors, int colorOffset, short[] indices, 1320 int indexOffset, int indexCount, Paint paint) { 1321 // TODO: Implement 1322 } 1323 1324 private int setupModifiers(Bitmap b, Paint paint) { 1325 if (b.getConfig() != Bitmap.Config.ALPHA_8) { 1326 final ColorFilter filter = paint.getColorFilter(); 1327 if (filter != null) { 1328 nSetupColorFilter(mRenderer, filter.nativeColorFilter); 1329 return MODIFIER_COLOR_FILTER; 1330 } 1331 1332 return MODIFIER_NONE; 1333 } else { 1334 return setupModifiers(paint); 1335 } 1336 } 1337 1338 private int setupModifiers(Paint paint) { 1339 int modifiers = MODIFIER_NONE; 1340 1341 if (paint.hasShadow) { 1342 nSetupShadow(mRenderer, paint.shadowRadius, paint.shadowDx, paint.shadowDy, 1343 paint.shadowColor); 1344 modifiers |= MODIFIER_SHADOW; 1345 } 1346 1347 final Shader shader = paint.getShader(); 1348 if (shader != null) { 1349 nSetupShader(mRenderer, shader.native_shader); 1350 modifiers |= MODIFIER_SHADER; 1351 } 1352 1353 final ColorFilter filter = paint.getColorFilter(); 1354 if (filter != null) { 1355 nSetupColorFilter(mRenderer, filter.nativeColorFilter); 1356 modifiers |= MODIFIER_COLOR_FILTER; 1357 } 1358 1359 return modifiers; 1360 } 1361 1362 private int setupModifiers(Paint paint, int flags) { 1363 int modifiers = MODIFIER_NONE; 1364 1365 if (paint.hasShadow && (flags & MODIFIER_SHADOW) != 0) { 1366 nSetupShadow(mRenderer, paint.shadowRadius, paint.shadowDx, paint.shadowDy, 1367 paint.shadowColor); 1368 modifiers |= MODIFIER_SHADOW; 1369 } 1370 1371 final Shader shader = paint.getShader(); 1372 if (shader != null && (flags & MODIFIER_SHADER) != 0) { 1373 nSetupShader(mRenderer, shader.native_shader); 1374 modifiers |= MODIFIER_SHADER; 1375 } 1376 1377 final ColorFilter filter = paint.getColorFilter(); 1378 if (filter != null && (flags & MODIFIER_COLOR_FILTER) != 0) { 1379 nSetupColorFilter(mRenderer, filter.nativeColorFilter); 1380 modifiers |= MODIFIER_COLOR_FILTER; 1381 } 1382 1383 return modifiers; 1384 } 1385 1386 private int setupColorFilter(Paint paint) { 1387 final ColorFilter filter = paint.getColorFilter(); 1388 if (filter != null) { 1389 nSetupColorFilter(mRenderer, filter.nativeColorFilter); 1390 return MODIFIER_COLOR_FILTER; 1391 } 1392 return MODIFIER_NONE; 1393 } 1394 1395 private static native void nSetupShader(int renderer, int shader); 1396 private static native void nSetupColorFilter(int renderer, int colorFilter); 1397 private static native void nSetupShadow(int renderer, float radius, 1398 float dx, float dy, int color); 1399 1400 private static native void nResetModifiers(int renderer, int modifiers); 1401 } 1402
