GLES20Canvas.java revision 6554943a1dd6854c0f4976900956e556767b49e1
1/* 2 * Copyright (C) 2010 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17package android.view; 18 19import android.graphics.Bitmap; 20import android.graphics.Canvas; 21import android.graphics.ColorFilter; 22import android.graphics.DrawFilter; 23import android.graphics.Matrix; 24import android.graphics.Paint; 25import android.graphics.PaintFlagsDrawFilter; 26import android.graphics.Path; 27import android.graphics.Picture; 28import android.graphics.PorterDuff; 29import android.graphics.Rect; 30import android.graphics.RectF; 31import android.graphics.Region; 32import android.graphics.Shader; 33import android.graphics.SurfaceTexture; 34import android.graphics.TemporaryBuffer; 35import android.text.GraphicsOperations; 36import android.text.SpannableString; 37import android.text.SpannedString; 38import android.text.TextUtils; 39 40/** 41 * An implementation of Canvas on top of OpenGL ES 2.0. 42 */ 43class GLES20Canvas extends HardwareCanvas { 44 // Must match modifiers used in the JNI layer 45 private static final int MODIFIER_NONE = 0; 46 private static final int MODIFIER_SHADOW = 1; 47 private static final int MODIFIER_SHADER = 2; 48 private static final int MODIFIER_COLOR_FILTER = 4; 49 50 private final boolean mOpaque; 51 private int mRenderer; 52 53 // The native renderer will be destroyed when this object dies. 54 // DO NOT overwrite this reference once it is set. 55 @SuppressWarnings({"unused", "FieldCanBeLocal"}) 56 private CanvasFinalizer mFinalizer; 57 58 private int mWidth; 59 private int mHeight; 60 61 private final float[] mPoint = new float[2]; 62 private final float[] mLine = new float[4]; 63 64 private final Rect mClipBounds = new Rect(); 65 private final RectF mPathBounds = new RectF(); 66 67 private DrawFilter mFilter; 68 69 /////////////////////////////////////////////////////////////////////////// 70 // JNI 71 /////////////////////////////////////////////////////////////////////////// 72 73 private static native boolean nIsAvailable(); 74 private static boolean sIsAvailable = nIsAvailable(); 75 76 static boolean isAvailable() { 77 return sIsAvailable; 78 } 79 80 /////////////////////////////////////////////////////////////////////////// 81 // Constructors 82 /////////////////////////////////////////////////////////////////////////// 83 84 /** 85 * Creates a canvas to render directly on screen. 86 */ 87 GLES20Canvas(boolean translucent) { 88 this(false, translucent); 89 } 90 91 /** 92 * Creates a canvas to render into an FBO. 93 */ 94 GLES20Canvas(int layer, boolean translucent) { 95 mOpaque = !translucent; 96 mRenderer = nCreateLayerRenderer(layer); 97 setupFinalizer(); 98 } 99 100 protected GLES20Canvas(boolean record, boolean translucent) { 101 mOpaque = !translucent; 102 103 if (record) { 104 mRenderer = nCreateDisplayListRenderer(); 105 } else { 106 mRenderer = nCreateRenderer(); 107 } 108 109 setupFinalizer(); 110 } 111 112 private void setupFinalizer() { 113 if (mRenderer == 0) { 114 throw new IllegalStateException("Could not create GLES20Canvas renderer"); 115 } else { 116 mFinalizer = new CanvasFinalizer(mRenderer); 117 } 118 } 119 120 protected void resetDisplayListRenderer() { 121 nResetDisplayListRenderer(mRenderer); 122 } 123 124 private static native int nCreateRenderer(); 125 private static native int nCreateLayerRenderer(int layer); 126 private static native int nCreateDisplayListRenderer(); 127 private static native void nResetDisplayListRenderer(int renderer); 128 private static native void nDestroyRenderer(int renderer); 129 130 private static final class CanvasFinalizer { 131 private final int mRenderer; 132 133 public CanvasFinalizer(int renderer) { 134 mRenderer = renderer; 135 } 136 137 @Override 138 protected void finalize() throws Throwable { 139 try { 140 nDestroyRenderer(mRenderer); 141 } finally { 142 super.finalize(); 143 } 144 } 145 } 146 147 /////////////////////////////////////////////////////////////////////////// 148 // Hardware layers 149 /////////////////////////////////////////////////////////////////////////// 150 151 static native int nCreateTextureLayer(boolean opaque, int[] layerInfo); 152 static native int nCreateLayer(int width, int height, boolean isOpaque, int[] layerInfo); 153 static native void nResizeLayer(int layerId, int width, int height, int[] layerInfo); 154 static native void nUpdateTextureLayer(int layerId, int width, int height, boolean opaque, 155 SurfaceTexture surface); 156 static native void nSetTextureLayerTransform(int layerId, int matrix); 157 static native void nDestroyLayer(int layerId); 158 static native void nDestroyLayerDeferred(int layerId); 159 static native void nFlushLayer(int layerId); 160 static native void nUpdateRenderLayer(int layerId, int renderer, int displayList, 161 int left, int top, int right, int bottom); 162 static native boolean nCopyLayer(int layerId, int bitmap); 163 164 /////////////////////////////////////////////////////////////////////////// 165 // Canvas management 166 /////////////////////////////////////////////////////////////////////////// 167 168 @Override 169 public boolean isOpaque() { 170 return mOpaque; 171 } 172 173 @Override 174 public int getWidth() { 175 return mWidth; 176 } 177 178 @Override 179 public int getHeight() { 180 return mHeight; 181 } 182 183 @Override 184 public int getMaximumBitmapWidth() { 185 return nGetMaximumTextureWidth(); 186 } 187 188 @Override 189 public int getMaximumBitmapHeight() { 190 return nGetMaximumTextureHeight(); 191 } 192 193 private static native int nGetMaximumTextureWidth(); 194 private static native int nGetMaximumTextureHeight(); 195 196 /** 197 * Returns the native OpenGLRenderer object. 198 */ 199 int getRenderer() { 200 return mRenderer; 201 } 202 203 /////////////////////////////////////////////////////////////////////////// 204 // Setup 205 /////////////////////////////////////////////////////////////////////////// 206 207 @Override 208 public void setViewport(int width, int height) { 209 mWidth = width; 210 mHeight = height; 211 212 nSetViewport(mRenderer, width, height); 213 } 214 215 private static native void nSetViewport(int renderer, int width, int height); 216 217 /** 218 * Preserves the back buffer of the current surface after a buffer swap. 219 * Calling this method sets the EGL_SWAP_BEHAVIOR attribute of the current 220 * surface to EGL_BUFFER_PRESERVED. Calling this method requires an EGL 221 * config that supports EGL_SWAP_BEHAVIOR_PRESERVED_BIT. 222 * 223 * @return True if the swap behavior was successfully changed, 224 * false otherwise. 225 * 226 * @hide 227 */ 228 public static boolean preserveBackBuffer() { 229 return nPreserveBackBuffer(); 230 } 231 232 private static native boolean nPreserveBackBuffer(); 233 234 /** 235 * Indicates whether the current surface preserves its back buffer 236 * after a buffer swap. 237 * 238 * @return True, if the surface's EGL_SWAP_BEHAVIOR is EGL_BUFFER_PRESERVED, 239 * false otherwise 240 * 241 * @hide 242 */ 243 public static boolean isBackBufferPreserved() { 244 return nIsBackBufferPreserved(); 245 } 246 247 private static native boolean nIsBackBufferPreserved(); 248 249 /** 250 * Disables v-sync. For performance testing only. 251 * 252 * @hide 253 */ 254 public static void disableVsync() { 255 nDisableVsync(); 256 } 257 258 private static native void nDisableVsync(); 259 260 @Override 261 public void onPreDraw(Rect dirty) { 262 if (dirty != null) { 263 nPrepareDirty(mRenderer, dirty.left, dirty.top, dirty.right, dirty.bottom, mOpaque); 264 } else { 265 nPrepare(mRenderer, mOpaque); 266 } 267 } 268 269 private static native void nPrepare(int renderer, boolean opaque); 270 private static native void nPrepareDirty(int renderer, int left, int top, int right, int bottom, 271 boolean opaque); 272 273 @Override 274 public void onPostDraw() { 275 nFinish(mRenderer); 276 } 277 278 private static native void nFinish(int renderer); 279 280 /** 281 * Returns the size of the stencil buffer required by the underlying 282 * implementation. 283 * 284 * @return The minimum number of bits the stencil buffer must. Always >= 0. 285 * 286 * @hide 287 */ 288 public static int getStencilSize() { 289 return nGetStencilSize(); 290 } 291 292 private static native int nGetStencilSize(); 293 294 /////////////////////////////////////////////////////////////////////////// 295 // Functor 296 /////////////////////////////////////////////////////////////////////////// 297 298 @Override 299 public int callDrawGLFunction(int drawGLFunction) { 300 return nCallDrawGLFunction(mRenderer, drawGLFunction); 301 } 302 303 private static native int nCallDrawGLFunction(int renderer, int drawGLFunction); 304 305 /////////////////////////////////////////////////////////////////////////// 306 // Memory 307 /////////////////////////////////////////////////////////////////////////// 308 309 /** 310 * Must match Caches::FlushMode values 311 * 312 * @see #flushCaches(int) 313 */ 314 public static final int FLUSH_CACHES_LAYERS = 0; 315 316 /** 317 * Must match Caches::FlushMode values 318 * 319 * @see #flushCaches(int) 320 */ 321 public static final int FLUSH_CACHES_MODERATE = 1; 322 323 /** 324 * Must match Caches::FlushMode values 325 * 326 * @see #flushCaches(int) 327 */ 328 public static final int FLUSH_CACHES_FULL = 2; 329 330 /** 331 * Flush caches to reclaim as much memory as possible. The amount of memory 332 * to reclaim is indicate by the level parameter. 333 * 334 * The level can be one of {@link #FLUSH_CACHES_MODERATE} or 335 * {@link #FLUSH_CACHES_FULL}. 336 * 337 * @param level Hint about the amount of memory to reclaim 338 * 339 * @hide 340 */ 341 public static void flushCaches(int level) { 342 nFlushCaches(level); 343 } 344 345 private static native void nFlushCaches(int level); 346 347 /** 348 * Release all resources associated with the underlying caches. This should 349 * only be called after a full flushCaches(). 350 * 351 * @hide 352 */ 353 public static void terminateCaches() { 354 nTerminateCaches(); 355 } 356 357 private static native void nTerminateCaches(); 358 359 /** 360 * @hide 361 */ 362 public static void initCaches() { 363 nInitCaches(); 364 } 365 366 private static native void nInitCaches(); 367 368 /////////////////////////////////////////////////////////////////////////// 369 // Display list 370 /////////////////////////////////////////////////////////////////////////// 371 372 int getDisplayList(int displayList) { 373 return nGetDisplayList(mRenderer, displayList); 374 } 375 376 private static native int nGetDisplayList(int renderer, int displayList); 377 378 static void destroyDisplayList(int displayList) { 379 nDestroyDisplayList(displayList); 380 } 381 382 private static native void nDestroyDisplayList(int displayList); 383 384 static int getDisplayListSize(int displayList) { 385 return nGetDisplayListSize(displayList); 386 } 387 388 private static native int nGetDisplayListSize(int displayList); 389 390 static void setDisplayListName(int displayList, String name) { 391 nSetDisplayListName(displayList, name); 392 } 393 394 private static native void nSetDisplayListName(int displayList, String name); 395 396 @Override 397 public int drawDisplayList(DisplayList displayList, int width, int height, 398 Rect dirty, int flags) { 399 return nDrawDisplayList(mRenderer, ((GLES20DisplayList) displayList).getNativeDisplayList(), 400 width, height, dirty, flags); 401 } 402 403 private static native int nDrawDisplayList(int renderer, int displayList, 404 int width, int height, Rect dirty, int flags); 405 406 @Override 407 void outputDisplayList(DisplayList displayList) { 408 nOutputDisplayList(mRenderer, ((GLES20DisplayList) displayList).getNativeDisplayList()); 409 } 410 411 private static native void nOutputDisplayList(int renderer, int displayList); 412 413 /////////////////////////////////////////////////////////////////////////// 414 // Hardware layer 415 /////////////////////////////////////////////////////////////////////////// 416 417 void drawHardwareLayer(HardwareLayer layer, float x, float y, Paint paint) { 418 final GLES20Layer glLayer = (GLES20Layer) layer; 419 int modifier = paint != null ? setupColorFilter(paint) : MODIFIER_NONE; 420 try { 421 final int nativePaint = paint == null ? 0 : paint.mNativePaint; 422 nDrawLayer(mRenderer, glLayer.getLayer(), x, y, nativePaint); 423 } finally { 424 if (modifier != MODIFIER_NONE) nResetModifiers(mRenderer, modifier); 425 } 426 } 427 428 private static native void nDrawLayer(int renderer, int layer, float x, float y, int paint); 429 430 void interrupt() { 431 nInterrupt(mRenderer); 432 } 433 434 void resume() { 435 nResume(mRenderer); 436 } 437 438 private static native void nInterrupt(int renderer); 439 private static native void nResume(int renderer); 440 441 /////////////////////////////////////////////////////////////////////////// 442 // Clipping 443 /////////////////////////////////////////////////////////////////////////// 444 445 @Override 446 public boolean clipPath(Path path) { 447 // TODO: Implement 448 path.computeBounds(mPathBounds, true); 449 return nClipRect(mRenderer, mPathBounds.left, mPathBounds.top, 450 mPathBounds.right, mPathBounds.bottom, Region.Op.INTERSECT.nativeInt); 451 } 452 453 @Override 454 public boolean clipPath(Path path, Region.Op op) { 455 // TODO: Implement 456 path.computeBounds(mPathBounds, true); 457 return nClipRect(mRenderer, mPathBounds.left, mPathBounds.top, 458 mPathBounds.right, mPathBounds.bottom, op.nativeInt); 459 } 460 461 @Override 462 public boolean clipRect(float left, float top, float right, float bottom) { 463 return nClipRect(mRenderer, left, top, right, bottom, Region.Op.INTERSECT.nativeInt); 464 } 465 466 private static native boolean nClipRect(int renderer, float left, float top, 467 float right, float bottom, int op); 468 469 @Override 470 public boolean clipRect(float left, float top, float right, float bottom, Region.Op op) { 471 return nClipRect(mRenderer, left, top, right, bottom, op.nativeInt); 472 } 473 474 @Override 475 public boolean clipRect(int left, int top, int right, int bottom) { 476 return nClipRect(mRenderer, left, top, right, bottom, Region.Op.INTERSECT.nativeInt); 477 } 478 479 private static native boolean nClipRect(int renderer, int left, int top, int right, int bottom, 480 int op); 481 482 @Override 483 public boolean clipRect(Rect rect) { 484 return nClipRect(mRenderer, rect.left, rect.top, rect.right, rect.bottom, 485 Region.Op.INTERSECT.nativeInt); 486 } 487 488 @Override 489 public boolean clipRect(Rect rect, Region.Op op) { 490 return nClipRect(mRenderer, rect.left, rect.top, rect.right, rect.bottom, op.nativeInt); 491 } 492 493 @Override 494 public boolean clipRect(RectF rect) { 495 return nClipRect(mRenderer, rect.left, rect.top, rect.right, rect.bottom, 496 Region.Op.INTERSECT.nativeInt); 497 } 498 499 @Override 500 public boolean clipRect(RectF rect, Region.Op op) { 501 return nClipRect(mRenderer, rect.left, rect.top, rect.right, rect.bottom, op.nativeInt); 502 } 503 504 @Override 505 public boolean clipRegion(Region region) { 506 // TODO: Implement 507 region.getBounds(mClipBounds); 508 return nClipRect(mRenderer, mClipBounds.left, mClipBounds.top, 509 mClipBounds.right, mClipBounds.bottom, Region.Op.INTERSECT.nativeInt); 510 } 511 512 @Override 513 public boolean clipRegion(Region region, Region.Op op) { 514 // TODO: Implement 515 region.getBounds(mClipBounds); 516 return nClipRect(mRenderer, mClipBounds.left, mClipBounds.top, 517 mClipBounds.right, mClipBounds.bottom, op.nativeInt); 518 } 519 520 @Override 521 public boolean getClipBounds(Rect bounds) { 522 return nGetClipBounds(mRenderer, bounds); 523 } 524 525 private static native boolean nGetClipBounds(int renderer, Rect bounds); 526 527 @Override 528 public boolean quickReject(float left, float top, float right, float bottom, EdgeType type) { 529 return nQuickReject(mRenderer, left, top, right, bottom, type.nativeInt); 530 } 531 532 private static native boolean nQuickReject(int renderer, float left, float top, 533 float right, float bottom, int edge); 534 535 @Override 536 public boolean quickReject(Path path, EdgeType type) { 537 path.computeBounds(mPathBounds, true); 538 return nQuickReject(mRenderer, mPathBounds.left, mPathBounds.top, 539 mPathBounds.right, mPathBounds.bottom, type.nativeInt); 540 } 541 542 @Override 543 public boolean quickReject(RectF rect, EdgeType type) { 544 return nQuickReject(mRenderer, rect.left, rect.top, rect.right, rect.bottom, type.nativeInt); 545 } 546 547 /////////////////////////////////////////////////////////////////////////// 548 // Transformations 549 /////////////////////////////////////////////////////////////////////////// 550 551 @Override 552 public void translate(float dx, float dy) { 553 if (dx != 0.0f || dy != 0.0f) nTranslate(mRenderer, dx, dy); 554 } 555 556 private static native void nTranslate(int renderer, float dx, float dy); 557 558 @Override 559 public void skew(float sx, float sy) { 560 nSkew(mRenderer, sx, sy); 561 } 562 563 private static native void nSkew(int renderer, float sx, float sy); 564 565 @Override 566 public void rotate(float degrees) { 567 nRotate(mRenderer, degrees); 568 } 569 570 private static native void nRotate(int renderer, float degrees); 571 572 @Override 573 public void scale(float sx, float sy) { 574 nScale(mRenderer, sx, sy); 575 } 576 577 private static native void nScale(int renderer, float sx, float sy); 578 579 @Override 580 public void setMatrix(Matrix matrix) { 581 nSetMatrix(mRenderer, matrix == null ? 0 : matrix.native_instance); 582 } 583 584 private static native void nSetMatrix(int renderer, int matrix); 585 586 @SuppressWarnings("deprecation") 587 @Override 588 public void getMatrix(Matrix matrix) { 589 nGetMatrix(mRenderer, matrix.native_instance); 590 } 591 592 private static native void nGetMatrix(int renderer, int matrix); 593 594 @Override 595 public void concat(Matrix matrix) { 596 nConcatMatrix(mRenderer, matrix.native_instance); 597 } 598 599 private static native void nConcatMatrix(int renderer, int matrix); 600 601 /////////////////////////////////////////////////////////////////////////// 602 // State management 603 /////////////////////////////////////////////////////////////////////////// 604 605 @Override 606 public int save() { 607 return nSave(mRenderer, Canvas.CLIP_SAVE_FLAG | Canvas.MATRIX_SAVE_FLAG); 608 } 609 610 @Override 611 public int save(int saveFlags) { 612 return nSave(mRenderer, saveFlags); 613 } 614 615 private static native int nSave(int renderer, int flags); 616 617 @Override 618 public int saveLayer(RectF bounds, Paint paint, int saveFlags) { 619 if (bounds != null) { 620 return saveLayer(bounds.left, bounds.top, bounds.right, bounds.bottom, paint, saveFlags); 621 } 622 623 int count; 624 int modifier = paint != null ? setupColorFilter(paint) : MODIFIER_NONE; 625 try { 626 final int nativePaint = paint == null ? 0 : paint.mNativePaint; 627 count = nSaveLayer(mRenderer, nativePaint, saveFlags); 628 } finally { 629 if (modifier != MODIFIER_NONE) nResetModifiers(mRenderer, modifier); 630 } 631 return count; 632 } 633 634 private static native int nSaveLayer(int renderer, int paint, int saveFlags); 635 636 @Override 637 public int saveLayer(float left, float top, float right, float bottom, Paint paint, 638 int saveFlags) { 639 if (left < right && top < bottom) { 640 int count; 641 int modifier = paint != null ? setupColorFilter(paint) : MODIFIER_NONE; 642 try { 643 final int nativePaint = paint == null ? 0 : paint.mNativePaint; 644 count = nSaveLayer(mRenderer, left, top, right, bottom, nativePaint, saveFlags); 645 } finally { 646 if (modifier != MODIFIER_NONE) nResetModifiers(mRenderer, modifier); 647 } 648 return count; 649 } 650 return save(saveFlags); 651 } 652 653 private static native int nSaveLayer(int renderer, float left, float top, 654 float right, float bottom, int paint, int saveFlags); 655 656 @Override 657 public int saveLayerAlpha(RectF bounds, int alpha, int saveFlags) { 658 if (bounds != null) { 659 return saveLayerAlpha(bounds.left, bounds.top, bounds.right, bounds.bottom, 660 alpha, saveFlags); 661 } 662 return nSaveLayerAlpha(mRenderer, alpha, saveFlags); 663 } 664 665 private static native int nSaveLayerAlpha(int renderer, int alpha, int saveFlags); 666 667 @Override 668 public int saveLayerAlpha(float left, float top, float right, float bottom, int alpha, 669 int saveFlags) { 670 if (left < right && top < bottom) { 671 return nSaveLayerAlpha(mRenderer, left, top, right, bottom, alpha, saveFlags); 672 } 673 return save(saveFlags); 674 } 675 676 private static native int nSaveLayerAlpha(int renderer, float left, float top, float right, 677 float bottom, int alpha, int saveFlags); 678 679 @Override 680 public void restore() { 681 nRestore(mRenderer); 682 } 683 684 private static native void nRestore(int renderer); 685 686 @Override 687 public void restoreToCount(int saveCount) { 688 nRestoreToCount(mRenderer, saveCount); 689 } 690 691 private static native void nRestoreToCount(int renderer, int saveCount); 692 693 @Override 694 public int getSaveCount() { 695 return nGetSaveCount(mRenderer); 696 } 697 698 private static native int nGetSaveCount(int renderer); 699 700 /////////////////////////////////////////////////////////////////////////// 701 // Filtering 702 /////////////////////////////////////////////////////////////////////////// 703 704 @Override 705 public void setDrawFilter(DrawFilter filter) { 706 mFilter = filter; 707 if (filter == null) { 708 nResetPaintFilter(mRenderer); 709 } else if (filter instanceof PaintFlagsDrawFilter) { 710 PaintFlagsDrawFilter flagsFilter = (PaintFlagsDrawFilter) filter; 711 nSetupPaintFilter(mRenderer, flagsFilter.clearBits, flagsFilter.setBits); 712 } 713 } 714 715 private static native void nResetPaintFilter(int renderer); 716 private static native void nSetupPaintFilter(int renderer, int clearBits, int setBits); 717 718 @Override 719 public DrawFilter getDrawFilter() { 720 return mFilter; 721 } 722 723 /////////////////////////////////////////////////////////////////////////// 724 // Drawing 725 /////////////////////////////////////////////////////////////////////////// 726 727 @Override 728 public void drawArc(RectF oval, float startAngle, float sweepAngle, boolean useCenter, 729 Paint paint) { 730 int modifiers = setupModifiers(paint, MODIFIER_COLOR_FILTER | MODIFIER_SHADER); 731 try { 732 nDrawArc(mRenderer, oval.left, oval.top, oval.right, oval.bottom, 733 startAngle, sweepAngle, useCenter, paint.mNativePaint); 734 } finally { 735 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 736 } 737 } 738 739 private static native void nDrawArc(int renderer, float left, float top, 740 float right, float bottom, float startAngle, float sweepAngle, 741 boolean useCenter, int paint); 742 743 @Override 744 public void drawARGB(int a, int r, int g, int b) { 745 drawColor((a & 0xFF) << 24 | (r & 0xFF) << 16 | (g & 0xFF) << 8 | (b & 0xFF)); 746 } 747 748 @Override 749 public void drawPatch(Bitmap bitmap, byte[] chunks, RectF dst, Paint paint) { 750 if (bitmap.isRecycled()) throw new IllegalArgumentException("Cannot draw recycled bitmaps"); 751 // Shaders are ignored when drawing patches 752 int modifier = paint != null ? setupColorFilter(paint) : MODIFIER_NONE; 753 try { 754 final int nativePaint = paint == null ? 0 : paint.mNativePaint; 755 nDrawPatch(mRenderer, bitmap.mNativeBitmap, bitmap.mBuffer, chunks, 756 dst.left, dst.top, dst.right, dst.bottom, nativePaint); 757 } finally { 758 if (modifier != MODIFIER_NONE) nResetModifiers(mRenderer, modifier); 759 } 760 } 761 762 private static native void nDrawPatch(int renderer, int bitmap, byte[] buffer, byte[] chunks, 763 float left, float top, float right, float bottom, int paint); 764 765 @Override 766 public void drawBitmap(Bitmap bitmap, float left, float top, Paint paint) { 767 if (bitmap.isRecycled()) throw new IllegalArgumentException("Cannot draw recycled bitmaps"); 768 // Shaders are ignored when drawing bitmaps 769 int modifiers = paint != null ? setupModifiers(bitmap, paint) : MODIFIER_NONE; 770 try { 771 final int nativePaint = paint == null ? 0 : paint.mNativePaint; 772 nDrawBitmap(mRenderer, bitmap.mNativeBitmap, bitmap.mBuffer, left, top, nativePaint); 773 } finally { 774 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 775 } 776 } 777 778 private static native void nDrawBitmap( 779 int renderer, int bitmap, byte[] buffer, float left, float top, int paint); 780 781 @Override 782 public void drawBitmap(Bitmap bitmap, Matrix matrix, Paint paint) { 783 if (bitmap.isRecycled()) throw new IllegalArgumentException("Cannot draw recycled bitmaps"); 784 // Shaders are ignored when drawing bitmaps 785 int modifiers = paint != null ? setupModifiers(bitmap, paint) : MODIFIER_NONE; 786 try { 787 final int nativePaint = paint == null ? 0 : paint.mNativePaint; 788 nDrawBitmap(mRenderer, bitmap.mNativeBitmap, bitmap.mBuffer, 789 matrix.native_instance, nativePaint); 790 } finally { 791 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 792 } 793 } 794 795 private static native void nDrawBitmap(int renderer, int bitmap, byte[] buff, 796 int matrix, int paint); 797 798 @Override 799 public void drawBitmap(Bitmap bitmap, Rect src, Rect dst, Paint paint) { 800 if (bitmap.isRecycled()) throw new IllegalArgumentException("Cannot draw recycled bitmaps"); 801 // Shaders are ignored when drawing bitmaps 802 int modifiers = paint != null ? setupModifiers(bitmap, paint) : MODIFIER_NONE; 803 try { 804 final int nativePaint = paint == null ? 0 : paint.mNativePaint; 805 806 int left, top, right, bottom; 807 if (src == null) { 808 left = top = 0; 809 right = bitmap.getWidth(); 810 bottom = bitmap.getHeight(); 811 } else { 812 left = src.left; 813 right = src.right; 814 top = src.top; 815 bottom = src.bottom; 816 } 817 818 nDrawBitmap(mRenderer, bitmap.mNativeBitmap, bitmap.mBuffer, left, top, right, bottom, 819 dst.left, dst.top, dst.right, dst.bottom, nativePaint); 820 } finally { 821 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 822 } 823 } 824 825 @Override 826 public void drawBitmap(Bitmap bitmap, Rect src, RectF dst, Paint paint) { 827 if (bitmap.isRecycled()) throw new IllegalArgumentException("Cannot draw recycled bitmaps"); 828 // Shaders are ignored when drawing bitmaps 829 int modifiers = paint != null ? setupModifiers(bitmap, paint) : MODIFIER_NONE; 830 try { 831 final int nativePaint = paint == null ? 0 : paint.mNativePaint; 832 833 float left, top, right, bottom; 834 if (src == null) { 835 left = top = 0; 836 right = bitmap.getWidth(); 837 bottom = bitmap.getHeight(); 838 } else { 839 left = src.left; 840 right = src.right; 841 top = src.top; 842 bottom = src.bottom; 843 } 844 845 nDrawBitmap(mRenderer, bitmap.mNativeBitmap, bitmap.mBuffer, left, top, right, bottom, 846 dst.left, dst.top, dst.right, dst.bottom, nativePaint); 847 } finally { 848 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 849 } 850 } 851 852 private static native void nDrawBitmap(int renderer, int bitmap, byte[] buffer, 853 float srcLeft, float srcTop, float srcRight, float srcBottom, 854 float left, float top, float right, float bottom, int paint); 855 856 @Override 857 public void drawBitmap(int[] colors, int offset, int stride, float x, float y, 858 int width, int height, boolean hasAlpha, Paint paint) { 859 // Shaders are ignored when drawing bitmaps 860 int modifier = paint != null ? setupColorFilter(paint) : MODIFIER_NONE; 861 try { 862 final Bitmap.Config config = hasAlpha ? Bitmap.Config.ARGB_8888 : Bitmap.Config.RGB_565; 863 final Bitmap b = Bitmap.createBitmap(colors, offset, stride, width, height, config); 864 final int nativePaint = paint == null ? 0 : paint.mNativePaint; 865 nDrawBitmap(mRenderer, b.mNativeBitmap, b.mBuffer, x, y, nativePaint); 866 b.recycle(); 867 } finally { 868 if (modifier != MODIFIER_NONE) nResetModifiers(mRenderer, modifier); 869 } 870 } 871 872 @Override 873 public void drawBitmap(int[] colors, int offset, int stride, int x, int y, 874 int width, int height, boolean hasAlpha, Paint paint) { 875 // Shaders are ignored when drawing bitmaps 876 drawBitmap(colors, offset, stride, (float) x, (float) y, width, height, hasAlpha, paint); 877 } 878 879 @Override 880 public void drawBitmapMesh(Bitmap bitmap, int meshWidth, int meshHeight, float[] verts, 881 int vertOffset, int[] colors, int colorOffset, Paint paint) { 882 if (bitmap.isRecycled()) throw new IllegalArgumentException("Cannot draw recycled bitmaps"); 883 if (meshWidth < 0 || meshHeight < 0 || vertOffset < 0 || colorOffset < 0) { 884 throw new ArrayIndexOutOfBoundsException(); 885 } 886 887 if (meshWidth == 0 || meshHeight == 0) { 888 return; 889 } 890 891 final int count = (meshWidth + 1) * (meshHeight + 1); 892 checkRange(verts.length, vertOffset, count * 2); 893 894 // TODO: Colors are ignored for now 895 colors = null; 896 colorOffset = 0; 897 898 int modifiers = paint != null ? setupModifiers(bitmap, paint) : MODIFIER_NONE; 899 try { 900 final int nativePaint = paint == null ? 0 : paint.mNativePaint; 901 nDrawBitmapMesh(mRenderer, bitmap.mNativeBitmap, bitmap.mBuffer, meshWidth, meshHeight, 902 verts, vertOffset, colors, colorOffset, nativePaint); 903 } finally { 904 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 905 } 906 } 907 908 private static native void nDrawBitmapMesh(int renderer, int bitmap, byte[] buffer, 909 int meshWidth, int meshHeight, float[] verts, int vertOffset, 910 int[] colors, int colorOffset, int paint); 911 912 @Override 913 public void drawCircle(float cx, float cy, float radius, Paint paint) { 914 int modifiers = setupModifiers(paint, MODIFIER_COLOR_FILTER | MODIFIER_SHADER); 915 try { 916 nDrawCircle(mRenderer, cx, cy, radius, paint.mNativePaint); 917 } finally { 918 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 919 } 920 } 921 922 private static native void nDrawCircle(int renderer, float cx, float cy, 923 float radius, int paint); 924 925 @Override 926 public void drawColor(int color) { 927 drawColor(color, PorterDuff.Mode.SRC_OVER); 928 } 929 930 @Override 931 public void drawColor(int color, PorterDuff.Mode mode) { 932 nDrawColor(mRenderer, color, mode.nativeInt); 933 } 934 935 private static native void nDrawColor(int renderer, int color, int mode); 936 937 @Override 938 public void drawLine(float startX, float startY, float stopX, float stopY, Paint paint) { 939 mLine[0] = startX; 940 mLine[1] = startY; 941 mLine[2] = stopX; 942 mLine[3] = stopY; 943 drawLines(mLine, 0, 4, paint); 944 } 945 946 @Override 947 public void drawLines(float[] pts, int offset, int count, Paint paint) { 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 @Override 1007 public void drawPicture(Picture picture) { 1008 if (picture.createdFromStream) { 1009 return; 1010 } 1011 1012 picture.endRecording(); 1013 // TODO: Implement rendering 1014 } 1015 1016 @Override 1017 public void drawPicture(Picture picture, Rect dst) { 1018 if (picture.createdFromStream) { 1019 return; 1020 } 1021 1022 save(); 1023 translate(dst.left, dst.top); 1024 if (picture.getWidth() > 0 && picture.getHeight() > 0) { 1025 scale(dst.width() / picture.getWidth(), dst.height() / picture.getHeight()); 1026 } 1027 drawPicture(picture); 1028 restore(); 1029 } 1030 1031 @Override 1032 public void drawPicture(Picture picture, RectF dst) { 1033 if (picture.createdFromStream) { 1034 return; 1035 } 1036 1037 save(); 1038 translate(dst.left, dst.top); 1039 if (picture.getWidth() > 0 && picture.getHeight() > 0) { 1040 scale(dst.width() / picture.getWidth(), dst.height() / picture.getHeight()); 1041 } 1042 drawPicture(picture); 1043 restore(); 1044 } 1045 1046 @Override 1047 public void drawPoint(float x, float y, Paint paint) { 1048 mPoint[0] = x; 1049 mPoint[1] = y; 1050 drawPoints(mPoint, 0, 2, paint); 1051 } 1052 1053 @Override 1054 public void drawPoints(float[] pts, Paint paint) { 1055 drawPoints(pts, 0, pts.length, paint); 1056 } 1057 1058 @Override 1059 public void drawPoints(float[] pts, int offset, int count, Paint paint) { 1060 int modifiers = setupModifiers(paint, MODIFIER_COLOR_FILTER | MODIFIER_SHADER); 1061 try { 1062 nDrawPoints(mRenderer, pts, offset, count, paint.mNativePaint); 1063 } finally { 1064 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1065 } 1066 } 1067 1068 private static native void nDrawPoints(int renderer, float[] points, 1069 int offset, int count, int paint); 1070 1071 @SuppressWarnings("deprecation") 1072 @Override 1073 public void drawPosText(char[] text, int index, int count, float[] pos, Paint paint) { 1074 if (index < 0 || index + count > text.length || count * 2 > pos.length) { 1075 throw new IndexOutOfBoundsException(); 1076 } 1077 1078 int modifiers = setupModifiers(paint); 1079 try { 1080 nDrawPosText(mRenderer, text, index, count, pos, paint.mNativePaint); 1081 } finally { 1082 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1083 } 1084 } 1085 1086 private static native void nDrawPosText(int renderer, char[] text, int index, int count, 1087 float[] pos, int paint); 1088 1089 @SuppressWarnings("deprecation") 1090 @Override 1091 public void drawPosText(String text, float[] pos, Paint paint) { 1092 if (text.length() * 2 > pos.length) { 1093 throw new ArrayIndexOutOfBoundsException(); 1094 } 1095 1096 int modifiers = setupModifiers(paint); 1097 try { 1098 nDrawPosText(mRenderer, text, 0, text.length(), pos, paint.mNativePaint); 1099 } finally { 1100 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1101 } 1102 } 1103 1104 private static native void nDrawPosText(int renderer, String text, int start, int end, 1105 float[] pos, int paint); 1106 1107 @Override 1108 public void drawRect(float left, float top, float right, float bottom, Paint paint) { 1109 if (left == right || top == bottom) return; 1110 int modifiers = setupModifiers(paint, MODIFIER_COLOR_FILTER | MODIFIER_SHADER); 1111 try { 1112 nDrawRect(mRenderer, left, top, right, bottom, paint.mNativePaint); 1113 } finally { 1114 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1115 } 1116 } 1117 1118 private static native void nDrawRect(int renderer, float left, float top, 1119 float right, float bottom, int paint); 1120 1121 @Override 1122 public void drawRect(Rect r, Paint paint) { 1123 drawRect(r.left, r.top, r.right, r.bottom, paint); 1124 } 1125 1126 @Override 1127 public void drawRect(RectF r, Paint paint) { 1128 drawRect(r.left, r.top, r.right, r.bottom, paint); 1129 } 1130 1131 @Override 1132 public void drawRGB(int r, int g, int b) { 1133 drawColor(0xFF000000 | (r & 0xFF) << 16 | (g & 0xFF) << 8 | (b & 0xFF)); 1134 } 1135 1136 @Override 1137 public void drawRoundRect(RectF rect, float rx, float ry, Paint paint) { 1138 int modifiers = setupModifiers(paint, MODIFIER_COLOR_FILTER | MODIFIER_SHADER); 1139 try { 1140 nDrawRoundRect(mRenderer, rect.left, rect.top, rect.right, rect.bottom, 1141 rx, ry, paint.mNativePaint); 1142 } finally { 1143 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1144 } 1145 } 1146 1147 private static native void nDrawRoundRect(int renderer, float left, float top, 1148 float right, float bottom, float rx, float y, int paint); 1149 1150 @Override 1151 public void drawText(char[] text, int index, int count, float x, float y, Paint paint) { 1152 if ((index | count | (index + count) | (text.length - index - count)) < 0) { 1153 throw new IndexOutOfBoundsException(); 1154 } 1155 1156 int modifiers = setupModifiers(paint); 1157 try { 1158 nDrawText(mRenderer, text, index, count, x, y, paint.mBidiFlags, paint.mNativePaint); 1159 } finally { 1160 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1161 } 1162 } 1163 1164 private static native void nDrawText(int renderer, char[] text, int index, int count, 1165 float x, float y, int bidiFlags, int paint); 1166 1167 @Override 1168 public void drawText(CharSequence text, int start, int end, float x, float y, Paint paint) { 1169 int modifiers = setupModifiers(paint); 1170 try { 1171 if (text instanceof String || text instanceof SpannedString || 1172 text instanceof SpannableString) { 1173 nDrawText(mRenderer, text.toString(), start, end, x, y, paint.mBidiFlags, 1174 paint.mNativePaint); 1175 } else if (text instanceof GraphicsOperations) { 1176 ((GraphicsOperations) text).drawText(this, start, end, x, y, 1177 paint); 1178 } else { 1179 char[] buf = TemporaryBuffer.obtain(end - start); 1180 TextUtils.getChars(text, start, end, buf, 0); 1181 nDrawText(mRenderer, buf, 0, end - start, x, y, 1182 paint.mBidiFlags, paint.mNativePaint); 1183 TemporaryBuffer.recycle(buf); 1184 } 1185 } finally { 1186 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1187 } 1188 } 1189 1190 @Override 1191 public void drawText(String text, int start, int end, float x, float y, Paint paint) { 1192 if ((start | end | (end - start) | (text.length() - end)) < 0) { 1193 throw new IndexOutOfBoundsException(); 1194 } 1195 1196 int modifiers = setupModifiers(paint); 1197 try { 1198 nDrawText(mRenderer, text, start, end, x, y, paint.mBidiFlags, paint.mNativePaint); 1199 } finally { 1200 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1201 } 1202 } 1203 1204 private static native void nDrawText(int renderer, String text, int start, int end, 1205 float x, float y, int bidiFlags, int paint); 1206 1207 @Override 1208 public void drawText(String text, float x, float y, Paint paint) { 1209 int modifiers = setupModifiers(paint); 1210 try { 1211 nDrawText(mRenderer, text, 0, text.length(), x, y, paint.mBidiFlags, 1212 paint.mNativePaint); 1213 } finally { 1214 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1215 } 1216 } 1217 1218 @Override 1219 public void drawTextOnPath(char[] text, int index, int count, Path path, float hOffset, 1220 float vOffset, Paint paint) { 1221 if (index < 0 || index + count > text.length) { 1222 throw new ArrayIndexOutOfBoundsException(); 1223 } 1224 1225 int modifiers = setupModifiers(paint); 1226 try { 1227 nDrawTextOnPath(mRenderer, text, index, count, path.mNativePath, hOffset, vOffset, 1228 paint.mBidiFlags, paint.mNativePaint); 1229 } finally { 1230 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1231 } 1232 } 1233 1234 private static native void nDrawTextOnPath(int renderer, char[] text, int index, int count, 1235 int path, float hOffset, float vOffset, int bidiFlags, int nativePaint); 1236 1237 @Override 1238 public void drawTextOnPath(String text, Path path, float hOffset, float vOffset, Paint paint) { 1239 if (text.length() == 0) return; 1240 1241 int modifiers = setupModifiers(paint); 1242 try { 1243 nDrawTextOnPath(mRenderer, text, 0, text.length(), path.mNativePath, hOffset, vOffset, 1244 paint.mBidiFlags, paint.mNativePaint); 1245 } finally { 1246 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1247 } 1248 } 1249 1250 private static native void nDrawTextOnPath(int renderer, String text, int start, int end, 1251 int path, float hOffset, float vOffset, int bidiFlags, int nativePaint); 1252 1253 @Override 1254 public void drawTextRun(char[] text, int index, int count, int contextIndex, int contextCount, 1255 float x, float y, int dir, Paint paint) { 1256 if ((index | count | text.length - index - count) < 0) { 1257 throw new IndexOutOfBoundsException(); 1258 } 1259 if (dir != DIRECTION_LTR && dir != DIRECTION_RTL) { 1260 throw new IllegalArgumentException("Unknown direction: " + dir); 1261 } 1262 1263 int modifiers = setupModifiers(paint); 1264 try { 1265 nDrawTextRun(mRenderer, text, index, count, contextIndex, contextCount, x, y, dir, 1266 paint.mNativePaint); 1267 } finally { 1268 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1269 } 1270 } 1271 1272 private static native void nDrawTextRun(int renderer, char[] text, int index, int count, 1273 int contextIndex, int contextCount, float x, float y, int dir, int nativePaint); 1274 1275 @Override 1276 public void drawTextRun(CharSequence text, int start, int end, int contextStart, int contextEnd, 1277 float x, float y, int dir, Paint paint) { 1278 if ((start | end | end - start | text.length() - end) < 0) { 1279 throw new IndexOutOfBoundsException(); 1280 } 1281 1282 int modifiers = setupModifiers(paint); 1283 try { 1284 int flags = dir == 0 ? 0 : 1; 1285 if (text instanceof String || text instanceof SpannedString || 1286 text instanceof SpannableString) { 1287 nDrawTextRun(mRenderer, text.toString(), start, end, contextStart, 1288 contextEnd, x, y, flags, paint.mNativePaint); 1289 } else if (text instanceof GraphicsOperations) { 1290 ((GraphicsOperations) text).drawTextRun(this, start, end, 1291 contextStart, contextEnd, x, y, flags, paint); 1292 } else { 1293 int contextLen = contextEnd - contextStart; 1294 int len = end - start; 1295 char[] buf = TemporaryBuffer.obtain(contextLen); 1296 TextUtils.getChars(text, contextStart, contextEnd, buf, 0); 1297 nDrawTextRun(mRenderer, buf, start - contextStart, len, 0, contextLen, 1298 x, y, flags, paint.mNativePaint); 1299 TemporaryBuffer.recycle(buf); 1300 } 1301 } finally { 1302 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1303 } 1304 } 1305 1306 private static native void nDrawTextRun(int renderer, String text, int start, int end, 1307 int contextStart, int contextEnd, float x, float y, int flags, int nativePaint); 1308 1309 @Override 1310 public void drawVertices(VertexMode mode, int vertexCount, float[] verts, int vertOffset, 1311 float[] texs, int texOffset, int[] colors, int colorOffset, short[] indices, 1312 int indexOffset, int indexCount, Paint paint) { 1313 // TODO: Implement 1314 } 1315 1316 private int setupModifiers(Bitmap b, Paint paint) { 1317 if (b.getConfig() != Bitmap.Config.ALPHA_8) { 1318 final ColorFilter filter = paint.getColorFilter(); 1319 if (filter != null) { 1320 nSetupColorFilter(mRenderer, filter.nativeColorFilter); 1321 return MODIFIER_COLOR_FILTER; 1322 } 1323 1324 return MODIFIER_NONE; 1325 } else { 1326 return setupModifiers(paint); 1327 } 1328 } 1329 1330 private int setupModifiers(Paint paint) { 1331 int modifiers = MODIFIER_NONE; 1332 1333 if (paint.hasShadow) { 1334 nSetupShadow(mRenderer, paint.shadowRadius, paint.shadowDx, paint.shadowDy, 1335 paint.shadowColor); 1336 modifiers |= MODIFIER_SHADOW; 1337 } 1338 1339 final Shader shader = paint.getShader(); 1340 if (shader != null) { 1341 nSetupShader(mRenderer, shader.native_shader); 1342 modifiers |= MODIFIER_SHADER; 1343 } 1344 1345 final ColorFilter filter = paint.getColorFilter(); 1346 if (filter != null) { 1347 nSetupColorFilter(mRenderer, filter.nativeColorFilter); 1348 modifiers |= MODIFIER_COLOR_FILTER; 1349 } 1350 1351 return modifiers; 1352 } 1353 1354 private int setupModifiers(Paint paint, int flags) { 1355 int modifiers = MODIFIER_NONE; 1356 1357 if (paint.hasShadow && (flags & MODIFIER_SHADOW) != 0) { 1358 nSetupShadow(mRenderer, paint.shadowRadius, paint.shadowDx, paint.shadowDy, 1359 paint.shadowColor); 1360 modifiers |= MODIFIER_SHADOW; 1361 } 1362 1363 final Shader shader = paint.getShader(); 1364 if (shader != null && (flags & MODIFIER_SHADER) != 0) { 1365 nSetupShader(mRenderer, shader.native_shader); 1366 modifiers |= MODIFIER_SHADER; 1367 } 1368 1369 final ColorFilter filter = paint.getColorFilter(); 1370 if (filter != null && (flags & MODIFIER_COLOR_FILTER) != 0) { 1371 nSetupColorFilter(mRenderer, filter.nativeColorFilter); 1372 modifiers |= MODIFIER_COLOR_FILTER; 1373 } 1374 1375 return modifiers; 1376 } 1377 1378 private int setupColorFilter(Paint paint) { 1379 final ColorFilter filter = paint.getColorFilter(); 1380 if (filter != null) { 1381 nSetupColorFilter(mRenderer, filter.nativeColorFilter); 1382 return MODIFIER_COLOR_FILTER; 1383 } 1384 return MODIFIER_NONE; 1385 } 1386 1387 private static native void nSetupShader(int renderer, int shader); 1388 private static native void nSetupColorFilter(int renderer, int colorFilter); 1389 private static native void nSetupShadow(int renderer, float radius, 1390 float dx, float dy, int color); 1391 1392 private static native void nResetModifiers(int renderer, int modifiers); 1393} 1394