GLES20Canvas.java revision ba9b613437c34873fa95800a25fc51720638267c
1/* 2 * Copyright (C) 2010 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17package android.view; 18 19import android.graphics.Bitmap; 20import android.graphics.Canvas; 21import android.graphics.ColorFilter; 22import android.graphics.DrawFilter; 23import android.graphics.Matrix; 24import android.graphics.NinePatch; 25import android.graphics.Paint; 26import android.graphics.PaintFlagsDrawFilter; 27import android.graphics.Path; 28import android.graphics.Picture; 29import android.graphics.PorterDuff; 30import android.graphics.Rect; 31import android.graphics.RectF; 32import android.graphics.Region; 33import android.graphics.Shader; 34import android.graphics.SurfaceTexture; 35import android.graphics.TemporaryBuffer; 36import android.text.GraphicsOperations; 37import android.text.SpannableString; 38import android.text.SpannedString; 39import android.text.TextUtils; 40 41/** 42 * An implementation of Canvas on top of OpenGL ES 2.0. 43 */ 44class GLES20Canvas extends HardwareCanvas { 45 // Must match modifiers used in the JNI layer 46 private static final int MODIFIER_NONE = 0; 47 private static final int MODIFIER_SHADOW = 1; 48 private static final int MODIFIER_SHADER = 2; 49 private static final int MODIFIER_COLOR_FILTER = 4; 50 51 private final boolean mOpaque; 52 private int mRenderer; 53 54 // The native renderer will be destroyed when this object dies. 55 // DO NOT overwrite this reference once it is set. 56 @SuppressWarnings({"unused", "FieldCanBeLocal"}) 57 private CanvasFinalizer mFinalizer; 58 59 private int mWidth; 60 private int mHeight; 61 62 private float[] mPoint; 63 private float[] mLine; 64 65 private Rect mClipBounds; 66 private RectF mPathBounds; 67 68 private DrawFilter mFilter; 69 70 /////////////////////////////////////////////////////////////////////////// 71 // JNI 72 /////////////////////////////////////////////////////////////////////////// 73 74 private static native boolean nIsAvailable(); 75 private static boolean sIsAvailable = nIsAvailable(); 76 77 static boolean isAvailable() { 78 return sIsAvailable; 79 } 80 81 /////////////////////////////////////////////////////////////////////////// 82 // Constructors 83 /////////////////////////////////////////////////////////////////////////// 84 85 /** 86 * Creates a canvas to render directly on screen. 87 */ 88 GLES20Canvas(boolean translucent) { 89 this(false, translucent); 90 } 91 92 /** 93 * Creates a canvas to render into an FBO. 94 */ 95 GLES20Canvas(int layer, boolean translucent) { 96 mOpaque = !translucent; 97 mRenderer = nCreateLayerRenderer(layer); 98 setupFinalizer(); 99 } 100 101 protected GLES20Canvas(boolean record, boolean translucent) { 102 mOpaque = !translucent; 103 104 if (record) { 105 mRenderer = nCreateDisplayListRenderer(); 106 } else { 107 mRenderer = nCreateRenderer(); 108 } 109 110 setupFinalizer(); 111 } 112 113 private void setupFinalizer() { 114 if (mRenderer == 0) { 115 throw new IllegalStateException("Could not create GLES20Canvas renderer"); 116 } else { 117 mFinalizer = new CanvasFinalizer(mRenderer); 118 } 119 } 120 121 protected void resetDisplayListRenderer() { 122 nResetDisplayListRenderer(mRenderer); 123 } 124 125 private static native int nCreateRenderer(); 126 private static native int nCreateLayerRenderer(int layer); 127 private static native int nCreateDisplayListRenderer(); 128 private static native void nResetDisplayListRenderer(int renderer); 129 private static native void nDestroyRenderer(int renderer); 130 131 private static final class CanvasFinalizer { 132 private final int mRenderer; 133 134 public CanvasFinalizer(int renderer) { 135 mRenderer = renderer; 136 } 137 138 @Override 139 protected void finalize() throws Throwable { 140 try { 141 nDestroyRenderer(mRenderer); 142 } finally { 143 super.finalize(); 144 } 145 } 146 } 147 148 @Override 149 public void setName(String name) { 150 super.setName(name); 151 nSetName(mRenderer, name); 152 } 153 154 private static native void nSetName(int renderer, String name); 155 156 public static void setProperty(String name, String value) { 157 nSetProperty(name, value); 158 } 159 160 private static native void nSetProperty(String name, String value); 161 162 /////////////////////////////////////////////////////////////////////////// 163 // Hardware layers 164 /////////////////////////////////////////////////////////////////////////// 165 166 @Override 167 void pushLayerUpdate(HardwareLayer layer) { 168 nPushLayerUpdate(mRenderer, ((GLES20RenderLayer) layer).mLayer); 169 } 170 171 @Override 172 void cancelLayerUpdate(HardwareLayer layer) { 173 nCancelLayerUpdate(mRenderer, ((GLES20RenderLayer) layer).mLayer); 174 } 175 176 @Override 177 void flushLayerUpdates() { 178 nFlushLayerUpdates(mRenderer); 179 } 180 181 @Override 182 void clearLayerUpdates() { 183 nClearLayerUpdates(mRenderer); 184 } 185 186 static native int nCreateTextureLayer(boolean opaque, int[] layerInfo); 187 static native int nCreateLayer(int width, int height, boolean isOpaque, int[] layerInfo); 188 static native boolean nResizeLayer(int layerId, int width, int height, int[] layerInfo); 189 static native void nSetOpaqueLayer(int layerId, boolean isOpaque); 190 static native void nSetLayerPaint(int layerId, int nativePaint); 191 static native void nSetLayerColorFilter(int layerId, int nativeColorFilter); 192 static native void nUpdateTextureLayer(int layerId, int width, int height, boolean opaque, 193 SurfaceTexture surface); 194 static native void nClearLayerTexture(int layerId); 195 static native void nSetTextureLayerTransform(int layerId, int matrix); 196 static native void nDestroyLayer(int layerId); 197 static native void nDestroyLayerDeferred(int layerId); 198 static native void nUpdateRenderLayer(int layerId, int renderer, int displayList, 199 int left, int top, int right, int bottom); 200 static native boolean nCopyLayer(int layerId, int bitmap); 201 202 private static native void nClearLayerUpdates(int renderer); 203 private static native void nFlushLayerUpdates(int renderer); 204 private static native void nPushLayerUpdate(int renderer, int layer); 205 private static native void nCancelLayerUpdate(int renderer, int layer); 206 207 /////////////////////////////////////////////////////////////////////////// 208 // Canvas management 209 /////////////////////////////////////////////////////////////////////////// 210 211 @Override 212 public boolean isOpaque() { 213 return mOpaque; 214 } 215 216 @Override 217 public int getWidth() { 218 return mWidth; 219 } 220 221 @Override 222 public int getHeight() { 223 return mHeight; 224 } 225 226 @Override 227 public int getMaximumBitmapWidth() { 228 return nGetMaximumTextureWidth(); 229 } 230 231 @Override 232 public int getMaximumBitmapHeight() { 233 return nGetMaximumTextureHeight(); 234 } 235 236 private static native int nGetMaximumTextureWidth(); 237 private static native int nGetMaximumTextureHeight(); 238 239 /** 240 * Returns the native OpenGLRenderer object. 241 */ 242 int getRenderer() { 243 return mRenderer; 244 } 245 246 /////////////////////////////////////////////////////////////////////////// 247 // Setup 248 /////////////////////////////////////////////////////////////////////////// 249 250 @Override 251 public void setViewport(int width, int height) { 252 mWidth = width; 253 mHeight = height; 254 255 nSetViewport(mRenderer, width, height); 256 } 257 258 private static native void nSetViewport(int renderer, int width, int height); 259 260 @Override 261 public int onPreDraw(Rect dirty) { 262 if (dirty != null) { 263 return nPrepareDirty(mRenderer, dirty.left, dirty.top, dirty.right, dirty.bottom, 264 mOpaque); 265 } else { 266 return nPrepare(mRenderer, mOpaque); 267 } 268 } 269 270 private static native int nPrepare(int renderer, boolean opaque); 271 private static native int nPrepareDirty(int renderer, int left, int top, int right, int bottom, 272 boolean opaque); 273 274 @Override 275 public void onPostDraw() { 276 nFinish(mRenderer); 277 } 278 279 private static native void nFinish(int renderer); 280 281 /** 282 * Returns the size of the stencil buffer required by the underlying 283 * implementation. 284 * 285 * @return The minimum number of bits the stencil buffer must. Always >= 0. 286 * 287 * @hide 288 */ 289 public static int getStencilSize() { 290 return nGetStencilSize(); 291 } 292 293 private static native int nGetStencilSize(); 294 295 void setCountOverdrawEnabled(boolean enabled) { 296 nSetCountOverdrawEnabled(mRenderer, enabled); 297 } 298 299 static native void nSetCountOverdrawEnabled(int renderer, boolean enabled); 300 301 float getOverdraw() { 302 return nGetOverdraw(mRenderer); 303 } 304 305 static native float nGetOverdraw(int renderer); 306 307 /////////////////////////////////////////////////////////////////////////// 308 // Functor 309 /////////////////////////////////////////////////////////////////////////// 310 311 @Override 312 public int callDrawGLFunction(int drawGLFunction) { 313 return nCallDrawGLFunction(mRenderer, drawGLFunction); 314 } 315 316 private static native int nCallDrawGLFunction(int renderer, int drawGLFunction); 317 318 @Override 319 public int invokeFunctors(Rect dirty) { 320 return nInvokeFunctors(mRenderer, dirty); 321 } 322 323 private static native int nInvokeFunctors(int renderer, Rect dirty); 324 325 @Override 326 public void detachFunctor(int functor) { 327 nDetachFunctor(mRenderer, functor); 328 } 329 330 private static native void nDetachFunctor(int renderer, int functor); 331 332 @Override 333 public void attachFunctor(int functor) { 334 nAttachFunctor(mRenderer, functor); 335 } 336 337 private static native void nAttachFunctor(int renderer, int functor); 338 339 /////////////////////////////////////////////////////////////////////////// 340 // Memory 341 /////////////////////////////////////////////////////////////////////////// 342 343 /** 344 * Must match Caches::FlushMode values 345 * 346 * @see #flushCaches(int) 347 */ 348 static final int FLUSH_CACHES_LAYERS = 0; 349 350 /** 351 * Must match Caches::FlushMode values 352 * 353 * @see #flushCaches(int) 354 */ 355 static final int FLUSH_CACHES_MODERATE = 1; 356 357 /** 358 * Must match Caches::FlushMode values 359 * 360 * @see #flushCaches(int) 361 */ 362 static final int FLUSH_CACHES_FULL = 2; 363 364 /** 365 * Flush caches to reclaim as much memory as possible. The amount of memory 366 * to reclaim is indicate by the level parameter. 367 * 368 * The level can be one of {@link #FLUSH_CACHES_MODERATE} or 369 * {@link #FLUSH_CACHES_FULL}. 370 * 371 * @param level Hint about the amount of memory to reclaim 372 */ 373 static void flushCaches(int level) { 374 nFlushCaches(level); 375 } 376 377 private static native void nFlushCaches(int level); 378 379 /** 380 * Release all resources associated with the underlying caches. This should 381 * only be called after a full flushCaches(). 382 * 383 * @hide 384 */ 385 static void terminateCaches() { 386 nTerminateCaches(); 387 } 388 389 private static native void nTerminateCaches(); 390 391 static boolean initCaches() { 392 return nInitCaches(); 393 } 394 395 private static native boolean nInitCaches(); 396 397 /////////////////////////////////////////////////////////////////////////// 398 // Atlas 399 /////////////////////////////////////////////////////////////////////////// 400 401 static void initAtlas(GraphicBuffer buffer, int[] map) { 402 nInitAtlas(buffer, map, map.length); 403 } 404 405 private static native void nInitAtlas(GraphicBuffer buffer, int[] map, int count); 406 407 /////////////////////////////////////////////////////////////////////////// 408 // Display list 409 /////////////////////////////////////////////////////////////////////////// 410 411 int getDisplayList(int displayList) { 412 return nGetDisplayList(mRenderer, displayList); 413 } 414 415 private static native int nGetDisplayList(int renderer, int displayList); 416 417 @Override 418 public int drawDisplayList(DisplayList displayList, Rect dirty, int flags) { 419 return nDrawDisplayList(mRenderer, ((GLES20DisplayList) displayList).getNativeDisplayList(), 420 dirty, flags); 421 } 422 423 private static native int nDrawDisplayList(int renderer, int displayList, 424 Rect dirty, int flags); 425 426 /////////////////////////////////////////////////////////////////////////// 427 // Hardware layer 428 /////////////////////////////////////////////////////////////////////////// 429 430 void drawHardwareLayer(HardwareLayer layer, float x, float y, Paint paint) { 431 layer.setLayerPaint(paint); 432 433 final GLES20Layer glLayer = (GLES20Layer) layer; 434 nDrawLayer(mRenderer, glLayer.getLayer(), x, y); 435 } 436 437 private static native void nDrawLayer(int renderer, int layer, float x, float y); 438 439 void interrupt() { 440 nInterrupt(mRenderer); 441 } 442 443 void resume() { 444 nResume(mRenderer); 445 } 446 447 private static native void nInterrupt(int renderer); 448 private static native void nResume(int renderer); 449 450 /////////////////////////////////////////////////////////////////////////// 451 // Support 452 /////////////////////////////////////////////////////////////////////////// 453 454 private Rect getInternalClipBounds() { 455 if (mClipBounds == null) mClipBounds = new Rect(); 456 return mClipBounds; 457 } 458 459 460 private RectF getPathBounds() { 461 if (mPathBounds == null) mPathBounds = new RectF(); 462 return mPathBounds; 463 } 464 465 private float[] getPointStorage() { 466 if (mPoint == null) mPoint = new float[2]; 467 return mPoint; 468 } 469 470 private float[] getLineStorage() { 471 if (mLine == null) mLine = new float[4]; 472 return mLine; 473 } 474 475 /////////////////////////////////////////////////////////////////////////// 476 // Clipping 477 /////////////////////////////////////////////////////////////////////////// 478 479 @Override 480 public boolean clipPath(Path path) { 481 return nClipPath(mRenderer, path.mNativePath, Region.Op.INTERSECT.nativeInt); 482 } 483 484 @Override 485 public boolean clipPath(Path path, Region.Op op) { 486 return nClipPath(mRenderer, path.mNativePath, op.nativeInt); 487 } 488 489 private static native boolean nClipPath(int renderer, int path, int op); 490 491 @Override 492 public boolean clipRect(float left, float top, float right, float bottom) { 493 return nClipRect(mRenderer, left, top, right, bottom, Region.Op.INTERSECT.nativeInt); 494 } 495 496 private static native boolean nClipRect(int renderer, float left, float top, 497 float right, float bottom, int op); 498 499 @Override 500 public boolean clipRect(float left, float top, float right, float bottom, Region.Op op) { 501 return nClipRect(mRenderer, left, top, right, bottom, op.nativeInt); 502 } 503 504 @Override 505 public boolean clipRect(int left, int top, int right, int bottom) { 506 return nClipRect(mRenderer, left, top, right, bottom, Region.Op.INTERSECT.nativeInt); 507 } 508 509 private static native boolean nClipRect(int renderer, int left, int top, 510 int right, int bottom, int op); 511 512 @Override 513 public boolean clipRect(Rect rect) { 514 return nClipRect(mRenderer, rect.left, rect.top, rect.right, rect.bottom, 515 Region.Op.INTERSECT.nativeInt); 516 } 517 518 @Override 519 public boolean clipRect(Rect rect, Region.Op op) { 520 return nClipRect(mRenderer, rect.left, rect.top, rect.right, rect.bottom, op.nativeInt); 521 } 522 523 @Override 524 public boolean clipRect(RectF rect) { 525 return nClipRect(mRenderer, rect.left, rect.top, rect.right, rect.bottom, 526 Region.Op.INTERSECT.nativeInt); 527 } 528 529 @Override 530 public boolean clipRect(RectF rect, Region.Op op) { 531 return nClipRect(mRenderer, rect.left, rect.top, rect.right, rect.bottom, op.nativeInt); 532 } 533 534 @Override 535 public boolean clipRegion(Region region) { 536 return nClipRegion(mRenderer, region.mNativeRegion, Region.Op.INTERSECT.nativeInt); 537 } 538 539 @Override 540 public boolean clipRegion(Region region, Region.Op op) { 541 return nClipRegion(mRenderer, region.mNativeRegion, op.nativeInt); 542 } 543 544 private static native boolean nClipRegion(int renderer, int region, int op); 545 546 @Override 547 public boolean getClipBounds(Rect bounds) { 548 return nGetClipBounds(mRenderer, bounds); 549 } 550 551 private static native boolean nGetClipBounds(int renderer, Rect bounds); 552 553 @Override 554 public boolean quickReject(float left, float top, float right, float bottom, EdgeType type) { 555 return nQuickReject(mRenderer, left, top, right, bottom); 556 } 557 558 private static native boolean nQuickReject(int renderer, float left, float top, 559 float right, float bottom); 560 561 @Override 562 public boolean quickReject(Path path, EdgeType type) { 563 RectF pathBounds = getPathBounds(); 564 path.computeBounds(pathBounds, true); 565 return nQuickReject(mRenderer, pathBounds.left, pathBounds.top, 566 pathBounds.right, pathBounds.bottom); 567 } 568 569 @Override 570 public boolean quickReject(RectF rect, EdgeType type) { 571 return nQuickReject(mRenderer, rect.left, rect.top, rect.right, rect.bottom); 572 } 573 574 /////////////////////////////////////////////////////////////////////////// 575 // Transformations 576 /////////////////////////////////////////////////////////////////////////// 577 578 @Override 579 public void translate(float dx, float dy) { 580 if (dx != 0.0f || dy != 0.0f) nTranslate(mRenderer, dx, dy); 581 } 582 583 private static native void nTranslate(int renderer, float dx, float dy); 584 585 @Override 586 public void skew(float sx, float sy) { 587 nSkew(mRenderer, sx, sy); 588 } 589 590 private static native void nSkew(int renderer, float sx, float sy); 591 592 @Override 593 public void rotate(float degrees) { 594 nRotate(mRenderer, degrees); 595 } 596 597 private static native void nRotate(int renderer, float degrees); 598 599 @Override 600 public void scale(float sx, float sy) { 601 nScale(mRenderer, sx, sy); 602 } 603 604 private static native void nScale(int renderer, float sx, float sy); 605 606 @Override 607 public void setMatrix(Matrix matrix) { 608 nSetMatrix(mRenderer, matrix == null ? 0 : matrix.native_instance); 609 } 610 611 private static native void nSetMatrix(int renderer, int matrix); 612 613 @SuppressWarnings("deprecation") 614 @Override 615 public void getMatrix(Matrix matrix) { 616 nGetMatrix(mRenderer, matrix.native_instance); 617 } 618 619 private static native void nGetMatrix(int renderer, int matrix); 620 621 @Override 622 public void concat(Matrix matrix) { 623 if (matrix != null) nConcatMatrix(mRenderer, matrix.native_instance); 624 } 625 626 private static native void nConcatMatrix(int renderer, int matrix); 627 628 /////////////////////////////////////////////////////////////////////////// 629 // State management 630 /////////////////////////////////////////////////////////////////////////// 631 632 @Override 633 public int save() { 634 return nSave(mRenderer, Canvas.CLIP_SAVE_FLAG | Canvas.MATRIX_SAVE_FLAG); 635 } 636 637 @Override 638 public int save(int saveFlags) { 639 return nSave(mRenderer, saveFlags); 640 } 641 642 private static native int nSave(int renderer, int flags); 643 644 @Override 645 public int saveLayer(RectF bounds, Paint paint, int saveFlags) { 646 if (bounds != null) { 647 return saveLayer(bounds.left, bounds.top, bounds.right, bounds.bottom, paint, saveFlags); 648 } 649 650 int count; 651 int modifier = paint != null ? setupColorFilter(paint) : MODIFIER_NONE; 652 try { 653 final int nativePaint = paint == null ? 0 : paint.mNativePaint; 654 count = nSaveLayer(mRenderer, nativePaint, saveFlags); 655 } finally { 656 if (modifier != MODIFIER_NONE) nResetModifiers(mRenderer, modifier); 657 } 658 return count; 659 } 660 661 private static native int nSaveLayer(int renderer, int paint, int saveFlags); 662 663 @Override 664 public int saveLayer(float left, float top, float right, float bottom, Paint paint, 665 int saveFlags) { 666 if (left < right && top < bottom) { 667 int count; 668 int modifier = paint != null ? setupColorFilter(paint) : MODIFIER_NONE; 669 try { 670 final int nativePaint = paint == null ? 0 : paint.mNativePaint; 671 count = nSaveLayer(mRenderer, left, top, right, bottom, nativePaint, saveFlags); 672 } finally { 673 if (modifier != MODIFIER_NONE) nResetModifiers(mRenderer, modifier); 674 } 675 return count; 676 } 677 return save(saveFlags); 678 } 679 680 private static native int nSaveLayer(int renderer, float left, float top, 681 float right, float bottom, int paint, int saveFlags); 682 683 @Override 684 public int saveLayerAlpha(RectF bounds, int alpha, int saveFlags) { 685 if (bounds != null) { 686 return saveLayerAlpha(bounds.left, bounds.top, bounds.right, bounds.bottom, 687 alpha, saveFlags); 688 } 689 return nSaveLayerAlpha(mRenderer, alpha, saveFlags); 690 } 691 692 private static native int nSaveLayerAlpha(int renderer, int alpha, int saveFlags); 693 694 @Override 695 public int saveLayerAlpha(float left, float top, float right, float bottom, int alpha, 696 int saveFlags) { 697 if (left < right && top < bottom) { 698 return nSaveLayerAlpha(mRenderer, left, top, right, bottom, alpha, saveFlags); 699 } 700 return save(saveFlags); 701 } 702 703 private static native int nSaveLayerAlpha(int renderer, float left, float top, float right, 704 float bottom, int alpha, int saveFlags); 705 706 @Override 707 public void restore() { 708 nRestore(mRenderer); 709 } 710 711 private static native void nRestore(int renderer); 712 713 @Override 714 public void restoreToCount(int saveCount) { 715 nRestoreToCount(mRenderer, saveCount); 716 } 717 718 private static native void nRestoreToCount(int renderer, int saveCount); 719 720 @Override 721 public int getSaveCount() { 722 return nGetSaveCount(mRenderer); 723 } 724 725 private static native int nGetSaveCount(int renderer); 726 727 /////////////////////////////////////////////////////////////////////////// 728 // Filtering 729 /////////////////////////////////////////////////////////////////////////// 730 731 @Override 732 public void setDrawFilter(DrawFilter filter) { 733 mFilter = filter; 734 if (filter == null) { 735 nResetPaintFilter(mRenderer); 736 } else if (filter instanceof PaintFlagsDrawFilter) { 737 PaintFlagsDrawFilter flagsFilter = (PaintFlagsDrawFilter) filter; 738 nSetupPaintFilter(mRenderer, flagsFilter.clearBits, flagsFilter.setBits); 739 } 740 } 741 742 private static native void nResetPaintFilter(int renderer); 743 private static native void nSetupPaintFilter(int renderer, int clearBits, int setBits); 744 745 @Override 746 public DrawFilter getDrawFilter() { 747 return mFilter; 748 } 749 750 /////////////////////////////////////////////////////////////////////////// 751 // Drawing 752 /////////////////////////////////////////////////////////////////////////// 753 754 @Override 755 public void drawArc(RectF oval, float startAngle, float sweepAngle, boolean useCenter, 756 Paint paint) { 757 int modifiers = setupModifiers(paint, MODIFIER_COLOR_FILTER | MODIFIER_SHADER); 758 try { 759 nDrawArc(mRenderer, oval.left, oval.top, oval.right, oval.bottom, 760 startAngle, sweepAngle, useCenter, paint.mNativePaint); 761 } finally { 762 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 763 } 764 } 765 766 private static native void nDrawArc(int renderer, float left, float top, 767 float right, float bottom, float startAngle, float sweepAngle, 768 boolean useCenter, int paint); 769 770 @Override 771 public void drawARGB(int a, int r, int g, int b) { 772 drawColor((a & 0xFF) << 24 | (r & 0xFF) << 16 | (g & 0xFF) << 8 | (b & 0xFF)); 773 } 774 775 @Override 776 public void drawPatch(NinePatch patch, Rect dst, Paint paint) { 777 Bitmap bitmap = patch.getBitmap(); 778 throwIfCannotDraw(bitmap); 779 // Shaders are ignored when drawing patches 780 int modifier = paint != null ? setupColorFilter(paint) : MODIFIER_NONE; 781 try { 782 final int nativePaint = paint == null ? 0 : paint.mNativePaint; 783 nDrawPatch(mRenderer, bitmap.mNativeBitmap, bitmap.mBuffer, patch.mNativeChunk, 784 dst.left, dst.top, dst.right, dst.bottom, nativePaint); 785 } finally { 786 if (modifier != MODIFIER_NONE) nResetModifiers(mRenderer, modifier); 787 } 788 } 789 790 @Override 791 public void drawPatch(NinePatch patch, RectF dst, Paint paint) { 792 Bitmap bitmap = patch.getBitmap(); 793 throwIfCannotDraw(bitmap); 794 // Shaders are ignored when drawing patches 795 int modifier = paint != null ? setupColorFilter(paint) : MODIFIER_NONE; 796 try { 797 final int nativePaint = paint == null ? 0 : paint.mNativePaint; 798 nDrawPatch(mRenderer, bitmap.mNativeBitmap, bitmap.mBuffer, patch.mNativeChunk, 799 dst.left, dst.top, dst.right, dst.bottom, nativePaint); 800 } finally { 801 if (modifier != MODIFIER_NONE) nResetModifiers(mRenderer, modifier); 802 } 803 } 804 805 private static native void nDrawPatch(int renderer, int bitmap, byte[] buffer, int chunk, 806 float left, float top, float right, float bottom, int paint); 807 808 @Override 809 public void drawBitmap(Bitmap bitmap, float left, float top, Paint paint) { 810 throwIfCannotDraw(bitmap); 811 // Shaders are ignored when drawing bitmaps 812 int modifiers = paint != null ? setupModifiers(bitmap, paint) : MODIFIER_NONE; 813 try { 814 final int nativePaint = paint == null ? 0 : paint.mNativePaint; 815 nDrawBitmap(mRenderer, bitmap.mNativeBitmap, bitmap.mBuffer, left, top, nativePaint); 816 } finally { 817 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 818 } 819 } 820 821 private static native void nDrawBitmap(int renderer, int bitmap, byte[] buffer, 822 float left, float top, int paint); 823 824 @Override 825 public void drawBitmap(Bitmap bitmap, Matrix matrix, Paint paint) { 826 throwIfCannotDraw(bitmap); 827 // Shaders are ignored when drawing bitmaps 828 int modifiers = paint != null ? setupModifiers(bitmap, paint) : MODIFIER_NONE; 829 try { 830 final int nativePaint = paint == null ? 0 : paint.mNativePaint; 831 nDrawBitmap(mRenderer, bitmap.mNativeBitmap, bitmap.mBuffer, 832 matrix.native_instance, nativePaint); 833 } finally { 834 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 835 } 836 } 837 838 private static native void nDrawBitmap(int renderer, int bitmap, byte[] buffer, 839 int matrix, int paint); 840 841 @Override 842 public void drawBitmap(Bitmap bitmap, Rect src, Rect dst, Paint paint) { 843 throwIfCannotDraw(bitmap); 844 // Shaders are ignored when drawing bitmaps 845 int modifiers = paint != null ? setupModifiers(bitmap, paint) : MODIFIER_NONE; 846 try { 847 final int nativePaint = paint == null ? 0 : paint.mNativePaint; 848 849 int left, top, right, bottom; 850 if (src == null) { 851 left = top = 0; 852 right = bitmap.getWidth(); 853 bottom = bitmap.getHeight(); 854 } else { 855 left = src.left; 856 right = src.right; 857 top = src.top; 858 bottom = src.bottom; 859 } 860 861 nDrawBitmap(mRenderer, bitmap.mNativeBitmap, bitmap.mBuffer, left, top, right, bottom, 862 dst.left, dst.top, dst.right, dst.bottom, nativePaint); 863 } finally { 864 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 865 } 866 } 867 868 @Override 869 public void drawBitmap(Bitmap bitmap, Rect src, RectF dst, Paint paint) { 870 throwIfCannotDraw(bitmap); 871 // Shaders are ignored when drawing bitmaps 872 int modifiers = paint != null ? setupModifiers(bitmap, paint) : MODIFIER_NONE; 873 try { 874 final int nativePaint = paint == null ? 0 : paint.mNativePaint; 875 876 float left, top, right, bottom; 877 if (src == null) { 878 left = top = 0; 879 right = bitmap.getWidth(); 880 bottom = bitmap.getHeight(); 881 } else { 882 left = src.left; 883 right = src.right; 884 top = src.top; 885 bottom = src.bottom; 886 } 887 888 nDrawBitmap(mRenderer, bitmap.mNativeBitmap, bitmap.mBuffer, left, top, right, bottom, 889 dst.left, dst.top, dst.right, dst.bottom, nativePaint); 890 } finally { 891 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 892 } 893 } 894 895 private static native void nDrawBitmap(int renderer, int bitmap, byte[] buffer, 896 float srcLeft, float srcTop, float srcRight, float srcBottom, 897 float left, float top, float right, float bottom, int paint); 898 899 @Override 900 public void drawBitmap(int[] colors, int offset, int stride, float x, float y, 901 int width, int height, boolean hasAlpha, Paint paint) { 902 if (width < 0) { 903 throw new IllegalArgumentException("width must be >= 0"); 904 } 905 906 if (height < 0) { 907 throw new IllegalArgumentException("height must be >= 0"); 908 } 909 910 if (Math.abs(stride) < width) { 911 throw new IllegalArgumentException("abs(stride) must be >= width"); 912 } 913 914 int lastScanline = offset + (height - 1) * stride; 915 int length = colors.length; 916 917 if (offset < 0 || (offset + width > length) || lastScanline < 0 || 918 (lastScanline + width > length)) { 919 throw new ArrayIndexOutOfBoundsException(); 920 } 921 922 // Shaders are ignored when drawing bitmaps 923 int modifier = paint != null ? setupColorFilter(paint) : MODIFIER_NONE; 924 try { 925 final int nativePaint = paint == null ? 0 : paint.mNativePaint; 926 nDrawBitmap(mRenderer, colors, offset, stride, x, y, 927 width, height, hasAlpha, nativePaint); 928 } finally { 929 if (modifier != MODIFIER_NONE) nResetModifiers(mRenderer, modifier); 930 } 931 } 932 933 private static native void nDrawBitmap(int renderer, int[] colors, int offset, int stride, 934 float x, float y, int width, int height, boolean hasAlpha, int nativePaint); 935 936 @Override 937 public void drawBitmap(int[] colors, int offset, int stride, int x, int y, 938 int width, int height, boolean hasAlpha, Paint paint) { 939 // Shaders are ignored when drawing bitmaps 940 drawBitmap(colors, offset, stride, (float) x, (float) y, width, height, hasAlpha, paint); 941 } 942 943 @Override 944 public void drawBitmapMesh(Bitmap bitmap, int meshWidth, int meshHeight, float[] verts, 945 int vertOffset, int[] colors, int colorOffset, Paint paint) { 946 throwIfCannotDraw(bitmap); 947 if (meshWidth < 0 || meshHeight < 0 || vertOffset < 0 || colorOffset < 0) { 948 throw new ArrayIndexOutOfBoundsException(); 949 } 950 951 if (meshWidth == 0 || meshHeight == 0) { 952 return; 953 } 954 955 final int count = (meshWidth + 1) * (meshHeight + 1); 956 checkRange(verts.length, vertOffset, count * 2); 957 958 if (colors != null) { 959 checkRange(colors.length, colorOffset, count); 960 } 961 962 int modifiers = paint != null ? setupModifiers(bitmap, paint) : MODIFIER_NONE; 963 try { 964 final int nativePaint = paint == null ? 0 : paint.mNativePaint; 965 nDrawBitmapMesh(mRenderer, bitmap.mNativeBitmap, bitmap.mBuffer, meshWidth, meshHeight, 966 verts, vertOffset, colors, colorOffset, nativePaint); 967 } finally { 968 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 969 } 970 } 971 972 private static native void nDrawBitmapMesh(int renderer, int bitmap, byte[] buffer, 973 int meshWidth, int meshHeight, float[] verts, int vertOffset, 974 int[] colors, int colorOffset, int paint); 975 976 @Override 977 public void drawCircle(float cx, float cy, float radius, Paint paint) { 978 int modifiers = setupModifiers(paint, MODIFIER_COLOR_FILTER | MODIFIER_SHADER); 979 try { 980 nDrawCircle(mRenderer, cx, cy, radius, paint.mNativePaint); 981 } finally { 982 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 983 } 984 } 985 986 private static native void nDrawCircle(int renderer, float cx, float cy, 987 float radius, int paint); 988 989 @Override 990 public void drawColor(int color) { 991 drawColor(color, PorterDuff.Mode.SRC_OVER); 992 } 993 994 @Override 995 public void drawColor(int color, PorterDuff.Mode mode) { 996 nDrawColor(mRenderer, color, mode.nativeInt); 997 } 998 999 private static native void nDrawColor(int renderer, int color, int mode); 1000 1001 @Override 1002 public void drawLine(float startX, float startY, float stopX, float stopY, Paint paint) { 1003 float[] line = getLineStorage(); 1004 line[0] = startX; 1005 line[1] = startY; 1006 line[2] = stopX; 1007 line[3] = stopY; 1008 drawLines(line, 0, 4, paint); 1009 } 1010 1011 @Override 1012 public void drawLines(float[] pts, int offset, int count, Paint paint) { 1013 if (count < 4) return; 1014 1015 if ((offset | count) < 0 || offset + count > pts.length) { 1016 throw new IllegalArgumentException("The lines array must contain 4 elements per line."); 1017 } 1018 int modifiers = setupModifiers(paint, MODIFIER_COLOR_FILTER | MODIFIER_SHADER); 1019 try { 1020 nDrawLines(mRenderer, pts, offset, count, paint.mNativePaint); 1021 } finally { 1022 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1023 } 1024 } 1025 1026 private static native void nDrawLines(int renderer, float[] points, 1027 int offset, int count, int paint); 1028 1029 @Override 1030 public void drawLines(float[] pts, Paint paint) { 1031 drawLines(pts, 0, pts.length, paint); 1032 } 1033 1034 @Override 1035 public void drawOval(RectF oval, Paint paint) { 1036 int modifiers = setupModifiers(paint, MODIFIER_COLOR_FILTER | MODIFIER_SHADER); 1037 try { 1038 nDrawOval(mRenderer, oval.left, oval.top, oval.right, oval.bottom, paint.mNativePaint); 1039 } finally { 1040 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1041 } 1042 } 1043 1044 private static native void nDrawOval(int renderer, float left, float top, 1045 float right, float bottom, int paint); 1046 1047 @Override 1048 public void drawPaint(Paint paint) { 1049 final Rect r = getInternalClipBounds(); 1050 nGetClipBounds(mRenderer, r); 1051 drawRect(r.left, r.top, r.right, r.bottom, paint); 1052 } 1053 1054 @Override 1055 public void drawPath(Path path, Paint paint) { 1056 int modifiers = setupModifiers(paint, MODIFIER_COLOR_FILTER | MODIFIER_SHADER); 1057 try { 1058 if (path.isSimplePath) { 1059 if (path.rects != null) { 1060 nDrawRects(mRenderer, path.rects.mNativeRegion, paint.mNativePaint); 1061 } 1062 } else { 1063 nDrawPath(mRenderer, path.mNativePath, paint.mNativePaint); 1064 } 1065 } finally { 1066 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1067 } 1068 } 1069 1070 private static native void nDrawPath(int renderer, int path, int paint); 1071 private static native void nDrawRects(int renderer, int region, int paint); 1072 1073 void drawRects(float[] rects, int count, Paint paint) { 1074 int modifiers = setupModifiers(paint, MODIFIER_COLOR_FILTER | MODIFIER_SHADER); 1075 try { 1076 nDrawRects(mRenderer, rects, count, paint.mNativePaint); 1077 } finally { 1078 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1079 } 1080 } 1081 1082 private static native void nDrawRects(int renderer, float[] rects, int count, int paint); 1083 1084 @Override 1085 public void drawPicture(Picture picture) { 1086 if (picture.createdFromStream) { 1087 return; 1088 } 1089 1090 picture.endRecording(); 1091 // TODO: Implement rendering 1092 } 1093 1094 @Override 1095 public void drawPicture(Picture picture, Rect dst) { 1096 if (picture.createdFromStream) { 1097 return; 1098 } 1099 1100 save(); 1101 translate(dst.left, dst.top); 1102 if (picture.getWidth() > 0 && picture.getHeight() > 0) { 1103 scale(dst.width() / picture.getWidth(), dst.height() / picture.getHeight()); 1104 } 1105 drawPicture(picture); 1106 restore(); 1107 } 1108 1109 @Override 1110 public void drawPicture(Picture picture, RectF dst) { 1111 if (picture.createdFromStream) { 1112 return; 1113 } 1114 1115 save(); 1116 translate(dst.left, dst.top); 1117 if (picture.getWidth() > 0 && picture.getHeight() > 0) { 1118 scale(dst.width() / picture.getWidth(), dst.height() / picture.getHeight()); 1119 } 1120 drawPicture(picture); 1121 restore(); 1122 } 1123 1124 @Override 1125 public void drawPoint(float x, float y, Paint paint) { 1126 float[] point = getPointStorage(); 1127 point[0] = x; 1128 point[1] = y; 1129 drawPoints(point, 0, 2, paint); 1130 } 1131 1132 @Override 1133 public void drawPoints(float[] pts, Paint paint) { 1134 drawPoints(pts, 0, pts.length, paint); 1135 } 1136 1137 @Override 1138 public void drawPoints(float[] pts, int offset, int count, Paint paint) { 1139 if (count < 2) return; 1140 1141 int modifiers = setupModifiers(paint, MODIFIER_COLOR_FILTER | MODIFIER_SHADER); 1142 try { 1143 nDrawPoints(mRenderer, pts, offset, count, paint.mNativePaint); 1144 } finally { 1145 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1146 } 1147 } 1148 1149 private static native void nDrawPoints(int renderer, float[] points, 1150 int offset, int count, int paint); 1151 1152 @SuppressWarnings("deprecation") 1153 @Override 1154 public void drawPosText(char[] text, int index, int count, float[] pos, Paint paint) { 1155 if (index < 0 || index + count > text.length || count * 2 > pos.length) { 1156 throw new IndexOutOfBoundsException(); 1157 } 1158 1159 int modifiers = setupModifiers(paint); 1160 try { 1161 nDrawPosText(mRenderer, text, index, count, pos, paint.mNativePaint); 1162 } finally { 1163 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1164 } 1165 } 1166 1167 private static native void nDrawPosText(int renderer, char[] text, int index, int count, 1168 float[] pos, int paint); 1169 1170 @SuppressWarnings("deprecation") 1171 @Override 1172 public void drawPosText(String text, float[] pos, Paint paint) { 1173 if (text.length() * 2 > pos.length) { 1174 throw new ArrayIndexOutOfBoundsException(); 1175 } 1176 1177 int modifiers = setupModifiers(paint); 1178 try { 1179 nDrawPosText(mRenderer, text, 0, text.length(), pos, paint.mNativePaint); 1180 } finally { 1181 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1182 } 1183 } 1184 1185 private static native void nDrawPosText(int renderer, String text, int start, int end, 1186 float[] pos, int paint); 1187 1188 @Override 1189 public void drawRect(float left, float top, float right, float bottom, Paint paint) { 1190 if (left == right || top == bottom) return; 1191 int modifiers = setupModifiers(paint, MODIFIER_COLOR_FILTER | MODIFIER_SHADER); 1192 try { 1193 nDrawRect(mRenderer, left, top, right, bottom, paint.mNativePaint); 1194 } finally { 1195 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1196 } 1197 } 1198 1199 private static native void nDrawRect(int renderer, float left, float top, 1200 float right, float bottom, int paint); 1201 1202 @Override 1203 public void drawRect(Rect r, Paint paint) { 1204 drawRect(r.left, r.top, r.right, r.bottom, paint); 1205 } 1206 1207 @Override 1208 public void drawRect(RectF r, Paint paint) { 1209 drawRect(r.left, r.top, r.right, r.bottom, paint); 1210 } 1211 1212 @Override 1213 public void drawRGB(int r, int g, int b) { 1214 drawColor(0xFF000000 | (r & 0xFF) << 16 | (g & 0xFF) << 8 | (b & 0xFF)); 1215 } 1216 1217 @Override 1218 public void drawRoundRect(RectF rect, float rx, float ry, Paint paint) { 1219 int modifiers = setupModifiers(paint, MODIFIER_COLOR_FILTER | MODIFIER_SHADER); 1220 try { 1221 nDrawRoundRect(mRenderer, rect.left, rect.top, rect.right, rect.bottom, 1222 rx, ry, paint.mNativePaint); 1223 } finally { 1224 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1225 } 1226 } 1227 1228 private static native void nDrawRoundRect(int renderer, float left, float top, 1229 float right, float bottom, float rx, float y, int paint); 1230 1231 @Override 1232 public void drawText(char[] text, int index, int count, float x, float y, Paint paint) { 1233 if ((index | count | (index + count) | (text.length - index - count)) < 0) { 1234 throw new IndexOutOfBoundsException(); 1235 } 1236 1237 int modifiers = setupModifiers(paint); 1238 try { 1239 nDrawText(mRenderer, text, index, count, x, y, paint.mBidiFlags, paint.mNativePaint); 1240 } finally { 1241 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1242 } 1243 } 1244 1245 private static native void nDrawText(int renderer, char[] text, int index, int count, 1246 float x, float y, int bidiFlags, int paint); 1247 1248 @Override 1249 public void drawText(CharSequence text, int start, int end, float x, float y, Paint paint) { 1250 int modifiers = setupModifiers(paint); 1251 try { 1252 if (text instanceof String || text instanceof SpannedString || 1253 text instanceof SpannableString) { 1254 nDrawText(mRenderer, text.toString(), start, end, x, y, paint.mBidiFlags, 1255 paint.mNativePaint); 1256 } else if (text instanceof GraphicsOperations) { 1257 ((GraphicsOperations) text).drawText(this, start, end, x, y, 1258 paint); 1259 } else { 1260 char[] buf = TemporaryBuffer.obtain(end - start); 1261 TextUtils.getChars(text, start, end, buf, 0); 1262 nDrawText(mRenderer, buf, 0, end - start, x, y, 1263 paint.mBidiFlags, paint.mNativePaint); 1264 TemporaryBuffer.recycle(buf); 1265 } 1266 } finally { 1267 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1268 } 1269 } 1270 1271 @Override 1272 public void drawText(String text, int start, int end, float x, float y, Paint paint) { 1273 if ((start | end | (end - start) | (text.length() - end)) < 0) { 1274 throw new IndexOutOfBoundsException(); 1275 } 1276 1277 int modifiers = setupModifiers(paint); 1278 try { 1279 nDrawText(mRenderer, text, start, end, x, y, paint.mBidiFlags, paint.mNativePaint); 1280 } finally { 1281 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1282 } 1283 } 1284 1285 private static native void nDrawText(int renderer, String text, int start, int end, 1286 float x, float y, int bidiFlags, int paint); 1287 1288 @Override 1289 public void drawText(String text, float x, float y, Paint paint) { 1290 int modifiers = setupModifiers(paint); 1291 try { 1292 nDrawText(mRenderer, text, 0, text.length(), x, y, paint.mBidiFlags, 1293 paint.mNativePaint); 1294 } finally { 1295 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1296 } 1297 } 1298 1299 @Override 1300 public void drawTextOnPath(char[] text, int index, int count, Path path, float hOffset, 1301 float vOffset, Paint paint) { 1302 if (index < 0 || index + count > text.length) { 1303 throw new ArrayIndexOutOfBoundsException(); 1304 } 1305 1306 int modifiers = setupModifiers(paint); 1307 try { 1308 nDrawTextOnPath(mRenderer, text, index, count, path.mNativePath, hOffset, vOffset, 1309 paint.mBidiFlags, paint.mNativePaint); 1310 } finally { 1311 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1312 } 1313 } 1314 1315 private static native void nDrawTextOnPath(int renderer, char[] text, int index, int count, 1316 int path, float hOffset, float vOffset, int bidiFlags, int nativePaint); 1317 1318 @Override 1319 public void drawTextOnPath(String text, Path path, float hOffset, float vOffset, Paint paint) { 1320 if (text.length() == 0) return; 1321 1322 int modifiers = setupModifiers(paint); 1323 try { 1324 nDrawTextOnPath(mRenderer, text, 0, text.length(), path.mNativePath, hOffset, vOffset, 1325 paint.mBidiFlags, paint.mNativePaint); 1326 } finally { 1327 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1328 } 1329 } 1330 1331 private static native void nDrawTextOnPath(int renderer, String text, int start, int end, 1332 int path, float hOffset, float vOffset, int bidiFlags, int nativePaint); 1333 1334 @Override 1335 public void drawTextRun(char[] text, int index, int count, int contextIndex, int contextCount, 1336 float x, float y, int dir, Paint paint) { 1337 if ((index | count | text.length - index - count) < 0) { 1338 throw new IndexOutOfBoundsException(); 1339 } 1340 if (dir != DIRECTION_LTR && dir != DIRECTION_RTL) { 1341 throw new IllegalArgumentException("Unknown direction: " + dir); 1342 } 1343 1344 int modifiers = setupModifiers(paint); 1345 try { 1346 nDrawTextRun(mRenderer, text, index, count, contextIndex, contextCount, x, y, dir, 1347 paint.mNativePaint); 1348 } finally { 1349 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1350 } 1351 } 1352 1353 private static native void nDrawTextRun(int renderer, char[] text, int index, int count, 1354 int contextIndex, int contextCount, float x, float y, int dir, int nativePaint); 1355 1356 @Override 1357 public void drawTextRun(CharSequence text, int start, int end, int contextStart, int contextEnd, 1358 float x, float y, int dir, Paint paint) { 1359 if ((start | end | end - start | text.length() - end) < 0) { 1360 throw new IndexOutOfBoundsException(); 1361 } 1362 1363 int modifiers = setupModifiers(paint); 1364 try { 1365 int flags = dir == 0 ? 0 : 1; 1366 if (text instanceof String || text instanceof SpannedString || 1367 text instanceof SpannableString) { 1368 nDrawTextRun(mRenderer, text.toString(), start, end, contextStart, 1369 contextEnd, x, y, flags, paint.mNativePaint); 1370 } else if (text instanceof GraphicsOperations) { 1371 ((GraphicsOperations) text).drawTextRun(this, start, end, 1372 contextStart, contextEnd, x, y, flags, paint); 1373 } else { 1374 int contextLen = contextEnd - contextStart; 1375 int len = end - start; 1376 char[] buf = TemporaryBuffer.obtain(contextLen); 1377 TextUtils.getChars(text, contextStart, contextEnd, buf, 0); 1378 nDrawTextRun(mRenderer, buf, start - contextStart, len, 0, contextLen, 1379 x, y, flags, paint.mNativePaint); 1380 TemporaryBuffer.recycle(buf); 1381 } 1382 } finally { 1383 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1384 } 1385 } 1386 1387 private static native void nDrawTextRun(int renderer, String text, int start, int end, 1388 int contextStart, int contextEnd, float x, float y, int flags, int nativePaint); 1389 1390 @Override 1391 public void drawVertices(VertexMode mode, int vertexCount, float[] verts, int vertOffset, 1392 float[] texs, int texOffset, int[] colors, int colorOffset, short[] indices, 1393 int indexOffset, int indexCount, Paint paint) { 1394 // TODO: Implement 1395 } 1396 1397 private int setupModifiers(Bitmap b, Paint paint) { 1398 if (b.getConfig() != Bitmap.Config.ALPHA_8) { 1399 final ColorFilter filter = paint.getColorFilter(); 1400 if (filter != null) { 1401 nSetupColorFilter(mRenderer, filter.nativeColorFilter); 1402 return MODIFIER_COLOR_FILTER; 1403 } 1404 1405 return MODIFIER_NONE; 1406 } else { 1407 return setupModifiers(paint); 1408 } 1409 } 1410 1411 private int setupModifiers(Paint paint) { 1412 int modifiers = MODIFIER_NONE; 1413 1414 if (paint.hasShadow) { 1415 nSetupShadow(mRenderer, paint.shadowRadius, paint.shadowDx, paint.shadowDy, 1416 paint.shadowColor); 1417 modifiers |= MODIFIER_SHADOW; 1418 } 1419 1420 final Shader shader = paint.getShader(); 1421 if (shader != null) { 1422 nSetupShader(mRenderer, shader.native_shader); 1423 modifiers |= MODIFIER_SHADER; 1424 } 1425 1426 final ColorFilter filter = paint.getColorFilter(); 1427 if (filter != null) { 1428 nSetupColorFilter(mRenderer, filter.nativeColorFilter); 1429 modifiers |= MODIFIER_COLOR_FILTER; 1430 } 1431 1432 return modifiers; 1433 } 1434 1435 private int setupModifiers(Paint paint, int flags) { 1436 int modifiers = MODIFIER_NONE; 1437 1438 if (paint.hasShadow && (flags & MODIFIER_SHADOW) != 0) { 1439 nSetupShadow(mRenderer, paint.shadowRadius, paint.shadowDx, paint.shadowDy, 1440 paint.shadowColor); 1441 modifiers |= MODIFIER_SHADOW; 1442 } 1443 1444 final Shader shader = paint.getShader(); 1445 if (shader != null && (flags & MODIFIER_SHADER) != 0) { 1446 nSetupShader(mRenderer, shader.native_shader); 1447 modifiers |= MODIFIER_SHADER; 1448 } 1449 1450 final ColorFilter filter = paint.getColorFilter(); 1451 if (filter != null && (flags & MODIFIER_COLOR_FILTER) != 0) { 1452 nSetupColorFilter(mRenderer, filter.nativeColorFilter); 1453 modifiers |= MODIFIER_COLOR_FILTER; 1454 } 1455 1456 return modifiers; 1457 } 1458 1459 private int setupColorFilter(Paint paint) { 1460 final ColorFilter filter = paint.getColorFilter(); 1461 if (filter != null) { 1462 nSetupColorFilter(mRenderer, filter.nativeColorFilter); 1463 return MODIFIER_COLOR_FILTER; 1464 } 1465 return MODIFIER_NONE; 1466 } 1467 1468 private static native void nSetupShader(int renderer, int shader); 1469 private static native void nSetupColorFilter(int renderer, int colorFilter); 1470 private static native void nSetupShadow(int renderer, float radius, 1471 float dx, float dy, int color); 1472 1473 private static native void nResetModifiers(int renderer, int modifiers); 1474} 1475