1 /* 2 * Copyright (C) 2010 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package android.view; 18 19 import android.graphics.Bitmap; 20 import android.graphics.Canvas; 21 import android.graphics.ColorFilter; 22 import android.graphics.DrawFilter; 23 import android.graphics.Matrix; 24 import android.graphics.NinePatch; 25 import android.graphics.Paint; 26 import android.graphics.PaintFlagsDrawFilter; 27 import android.graphics.Path; 28 import android.graphics.Picture; 29 import android.graphics.PorterDuff; 30 import android.graphics.Rect; 31 import android.graphics.RectF; 32 import android.graphics.Region; 33 import android.graphics.Shader; 34 import android.graphics.SurfaceTexture; 35 import android.graphics.TemporaryBuffer; 36 import android.text.GraphicsOperations; 37 import android.text.SpannableString; 38 import android.text.SpannedString; 39 import android.text.TextUtils; 40 41 /** 42 * An implementation of Canvas on top of OpenGL ES 2.0. 43 */ 44 class 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 /////////////////////////////////////////////////////////////////////////// 157 // Hardware layers 158 /////////////////////////////////////////////////////////////////////////// 159 160 @Override 161 void pushLayerUpdate(HardwareLayer layer) { 162 nPushLayerUpdate(mRenderer, ((GLES20RenderLayer) layer).mLayer); 163 } 164 165 @Override 166 void cancelLayerUpdate(HardwareLayer layer) { 167 nCancelLayerUpdate(mRenderer, ((GLES20RenderLayer) layer).mLayer); 168 } 169 170 @Override 171 void flushLayerUpdates() { 172 nFlushLayerUpdates(mRenderer); 173 } 174 175 @Override 176 void clearLayerUpdates() { 177 nClearLayerUpdates(mRenderer); 178 } 179 180 static native int nCreateTextureLayer(boolean opaque, int[] layerInfo); 181 static native int nCreateLayer(int width, int height, boolean isOpaque, int[] layerInfo); 182 static native boolean nResizeLayer(int layerId, int width, int height, int[] layerInfo); 183 static native void nSetOpaqueLayer(int layerId, boolean isOpaque); 184 static native void nSetLayerPaint(int layerId, int nativePaint); 185 static native void nSetLayerColorFilter(int layerId, int nativeColorFilter); 186 static native void nUpdateTextureLayer(int layerId, int width, int height, boolean opaque, 187 SurfaceTexture surface); 188 static native void nClearLayerTexture(int layerId); 189 static native void nSetTextureLayerTransform(int layerId, int matrix); 190 static native void nDestroyLayer(int layerId); 191 static native void nDestroyLayerDeferred(int layerId); 192 static native void nUpdateRenderLayer(int layerId, int renderer, int displayList, 193 int left, int top, int right, int bottom); 194 static native boolean nCopyLayer(int layerId, int bitmap); 195 196 private static native void nClearLayerUpdates(int renderer); 197 private static native void nFlushLayerUpdates(int renderer); 198 private static native void nPushLayerUpdate(int renderer, int layer); 199 private static native void nCancelLayerUpdate(int renderer, int layer); 200 201 /////////////////////////////////////////////////////////////////////////// 202 // Canvas management 203 /////////////////////////////////////////////////////////////////////////// 204 205 @Override 206 public boolean isOpaque() { 207 return mOpaque; 208 } 209 210 @Override 211 public int getWidth() { 212 return mWidth; 213 } 214 215 @Override 216 public int getHeight() { 217 return mHeight; 218 } 219 220 @Override 221 public int getMaximumBitmapWidth() { 222 return nGetMaximumTextureWidth(); 223 } 224 225 @Override 226 public int getMaximumBitmapHeight() { 227 return nGetMaximumTextureHeight(); 228 } 229 230 private static native int nGetMaximumTextureWidth(); 231 private static native int nGetMaximumTextureHeight(); 232 233 /** 234 * Returns the native OpenGLRenderer object. 235 */ 236 int getRenderer() { 237 return mRenderer; 238 } 239 240 /////////////////////////////////////////////////////////////////////////// 241 // Setup 242 /////////////////////////////////////////////////////////////////////////// 243 244 @Override 245 public void setViewport(int width, int height) { 246 mWidth = width; 247 mHeight = height; 248 249 nSetViewport(mRenderer, width, height); 250 } 251 252 private static native void nSetViewport(int renderer, int width, int height); 253 254 @Override 255 public int onPreDraw(Rect dirty) { 256 if (dirty != null) { 257 return nPrepareDirty(mRenderer, dirty.left, dirty.top, dirty.right, dirty.bottom, 258 mOpaque); 259 } else { 260 return nPrepare(mRenderer, mOpaque); 261 } 262 } 263 264 private static native int nPrepare(int renderer, boolean opaque); 265 private static native int nPrepareDirty(int renderer, int left, int top, int right, int bottom, 266 boolean opaque); 267 268 @Override 269 public void onPostDraw() { 270 nFinish(mRenderer); 271 } 272 273 private static native void nFinish(int renderer); 274 275 /** 276 * Returns the size of the stencil buffer required by the underlying 277 * implementation. 278 * 279 * @return The minimum number of bits the stencil buffer must. Always >= 0. 280 * 281 * @hide 282 */ 283 public static int getStencilSize() { 284 return nGetStencilSize(); 285 } 286 287 private static native int nGetStencilSize(); 288 289 void setCountOverdrawEnabled(boolean enabled) { 290 nSetCountOverdrawEnabled(mRenderer, enabled); 291 } 292 293 static native void nSetCountOverdrawEnabled(int renderer, boolean enabled); 294 295 float getOverdraw() { 296 return nGetOverdraw(mRenderer); 297 } 298 299 static native float nGetOverdraw(int renderer); 300 301 /////////////////////////////////////////////////////////////////////////// 302 // Functor 303 /////////////////////////////////////////////////////////////////////////// 304 305 @Override 306 public int callDrawGLFunction(int drawGLFunction) { 307 return nCallDrawGLFunction(mRenderer, drawGLFunction); 308 } 309 310 private static native int nCallDrawGLFunction(int renderer, int drawGLFunction); 311 312 @Override 313 public int invokeFunctors(Rect dirty) { 314 return nInvokeFunctors(mRenderer, dirty); 315 } 316 317 private static native int nInvokeFunctors(int renderer, Rect dirty); 318 319 @Override 320 public void detachFunctor(int functor) { 321 nDetachFunctor(mRenderer, functor); 322 } 323 324 private static native void nDetachFunctor(int renderer, int functor); 325 326 @Override 327 public void attachFunctor(int functor) { 328 nAttachFunctor(mRenderer, functor); 329 } 330 331 private static native void nAttachFunctor(int renderer, int functor); 332 333 /////////////////////////////////////////////////////////////////////////// 334 // Memory 335 /////////////////////////////////////////////////////////////////////////// 336 337 /** 338 * Must match Caches::FlushMode values 339 * 340 * @see #flushCaches(int) 341 */ 342 static final int FLUSH_CACHES_LAYERS = 0; 343 344 /** 345 * Must match Caches::FlushMode values 346 * 347 * @see #flushCaches(int) 348 */ 349 static final int FLUSH_CACHES_MODERATE = 1; 350 351 /** 352 * Must match Caches::FlushMode values 353 * 354 * @see #flushCaches(int) 355 */ 356 static final int FLUSH_CACHES_FULL = 2; 357 358 /** 359 * Flush caches to reclaim as much memory as possible. The amount of memory 360 * to reclaim is indicate by the level parameter. 361 * 362 * The level can be one of {@link #FLUSH_CACHES_MODERATE} or 363 * {@link #FLUSH_CACHES_FULL}. 364 * 365 * @param level Hint about the amount of memory to reclaim 366 */ 367 static void flushCaches(int level) { 368 nFlushCaches(level); 369 } 370 371 private static native void nFlushCaches(int level); 372 373 /** 374 * Release all resources associated with the underlying caches. This should 375 * only be called after a full flushCaches(). 376 * 377 * @hide 378 */ 379 static void terminateCaches() { 380 nTerminateCaches(); 381 } 382 383 private static native void nTerminateCaches(); 384 385 static boolean initCaches() { 386 return nInitCaches(); 387 } 388 389 private static native boolean nInitCaches(); 390 391 /////////////////////////////////////////////////////////////////////////// 392 // Atlas 393 /////////////////////////////////////////////////////////////////////////// 394 395 static void initAtlas(GraphicBuffer buffer, int[] map) { 396 nInitAtlas(buffer, map, map.length); 397 } 398 399 private static native void nInitAtlas(GraphicBuffer buffer, int[] map, int count); 400 401 /////////////////////////////////////////////////////////////////////////// 402 // Display list 403 /////////////////////////////////////////////////////////////////////////// 404 405 int getDisplayList(int displayList) { 406 return nGetDisplayList(mRenderer, displayList); 407 } 408 409 private static native int nGetDisplayList(int renderer, int displayList); 410 411 @Override 412 void outputDisplayList(DisplayList displayList) { 413 nOutputDisplayList(mRenderer, ((GLES20DisplayList) displayList).getNativeDisplayList()); 414 } 415 416 private static native void nOutputDisplayList(int renderer, int displayList); 417 418 @Override 419 public int drawDisplayList(DisplayList displayList, Rect dirty, int flags) { 420 return nDrawDisplayList(mRenderer, ((GLES20DisplayList) displayList).getNativeDisplayList(), 421 dirty, flags); 422 } 423 424 private static native int nDrawDisplayList(int renderer, int displayList, 425 Rect dirty, int flags); 426 427 /////////////////////////////////////////////////////////////////////////// 428 // Hardware layer 429 /////////////////////////////////////////////////////////////////////////// 430 431 void drawHardwareLayer(HardwareLayer layer, float x, float y, Paint paint) { 432 layer.setLayerPaint(paint); 433 434 final GLES20Layer glLayer = (GLES20Layer) layer; 435 nDrawLayer(mRenderer, glLayer.getLayer(), x, y); 436 } 437 438 private static native void nDrawLayer(int renderer, int layer, float x, float y); 439 440 void interrupt() { 441 nInterrupt(mRenderer); 442 } 443 444 void resume() { 445 nResume(mRenderer); 446 } 447 448 private static native void nInterrupt(int renderer); 449 private static native void nResume(int renderer); 450 451 /////////////////////////////////////////////////////////////////////////// 452 // Support 453 /////////////////////////////////////////////////////////////////////////// 454 455 private Rect getInternalClipBounds() { 456 if (mClipBounds == null) mClipBounds = new Rect(); 457 return mClipBounds; 458 } 459 460 461 private RectF getPathBounds() { 462 if (mPathBounds == null) mPathBounds = new RectF(); 463 return mPathBounds; 464 } 465 466 private float[] getPointStorage() { 467 if (mPoint == null) mPoint = new float[2]; 468 return mPoint; 469 } 470 471 private float[] getLineStorage() { 472 if (mLine == null) mLine = new float[4]; 473 return mLine; 474 } 475 476 /////////////////////////////////////////////////////////////////////////// 477 // Clipping 478 /////////////////////////////////////////////////////////////////////////// 479 480 @Override 481 public boolean clipPath(Path path) { 482 return nClipPath(mRenderer, path.mNativePath, Region.Op.INTERSECT.nativeInt); 483 } 484 485 @Override 486 public boolean clipPath(Path path, Region.Op op) { 487 return nClipPath(mRenderer, path.mNativePath, op.nativeInt); 488 } 489 490 private static native boolean nClipPath(int renderer, int path, int op); 491 492 @Override 493 public boolean clipRect(float left, float top, float right, float bottom) { 494 return nClipRect(mRenderer, left, top, right, bottom, Region.Op.INTERSECT.nativeInt); 495 } 496 497 private static native boolean nClipRect(int renderer, float left, float top, 498 float right, float bottom, int op); 499 500 @Override 501 public boolean clipRect(float left, float top, float right, float bottom, Region.Op op) { 502 return nClipRect(mRenderer, left, top, right, bottom, op.nativeInt); 503 } 504 505 @Override 506 public boolean clipRect(int left, int top, int right, int bottom) { 507 return nClipRect(mRenderer, left, top, right, bottom, Region.Op.INTERSECT.nativeInt); 508 } 509 510 private static native boolean nClipRect(int renderer, int left, int top, 511 int right, int bottom, int op); 512 513 @Override 514 public boolean clipRect(Rect rect) { 515 return nClipRect(mRenderer, rect.left, rect.top, rect.right, rect.bottom, 516 Region.Op.INTERSECT.nativeInt); 517 } 518 519 @Override 520 public boolean clipRect(Rect rect, Region.Op op) { 521 return nClipRect(mRenderer, rect.left, rect.top, rect.right, rect.bottom, op.nativeInt); 522 } 523 524 @Override 525 public boolean clipRect(RectF rect) { 526 return nClipRect(mRenderer, rect.left, rect.top, rect.right, rect.bottom, 527 Region.Op.INTERSECT.nativeInt); 528 } 529 530 @Override 531 public boolean clipRect(RectF rect, Region.Op op) { 532 return nClipRect(mRenderer, rect.left, rect.top, rect.right, rect.bottom, op.nativeInt); 533 } 534 535 @Override 536 public boolean clipRegion(Region region) { 537 return nClipRegion(mRenderer, region.mNativeRegion, Region.Op.INTERSECT.nativeInt); 538 } 539 540 @Override 541 public boolean clipRegion(Region region, Region.Op op) { 542 return nClipRegion(mRenderer, region.mNativeRegion, op.nativeInt); 543 } 544 545 private static native boolean nClipRegion(int renderer, int region, int op); 546 547 @Override 548 public boolean getClipBounds(Rect bounds) { 549 return nGetClipBounds(mRenderer, bounds); 550 } 551 552 private static native boolean nGetClipBounds(int renderer, Rect bounds); 553 554 @Override 555 public boolean quickReject(float left, float top, float right, float bottom, EdgeType type) { 556 return nQuickReject(mRenderer, left, top, right, bottom); 557 } 558 559 private static native boolean nQuickReject(int renderer, float left, float top, 560 float right, float bottom); 561 562 @Override 563 public boolean quickReject(Path path, EdgeType type) { 564 RectF pathBounds = getPathBounds(); 565 path.computeBounds(pathBounds, true); 566 return nQuickReject(mRenderer, pathBounds.left, pathBounds.top, 567 pathBounds.right, pathBounds.bottom); 568 } 569 570 @Override 571 public boolean quickReject(RectF rect, EdgeType type) { 572 return nQuickReject(mRenderer, rect.left, rect.top, rect.right, rect.bottom); 573 } 574 575 /////////////////////////////////////////////////////////////////////////// 576 // Transformations 577 /////////////////////////////////////////////////////////////////////////// 578 579 @Override 580 public void translate(float dx, float dy) { 581 if (dx != 0.0f || dy != 0.0f) nTranslate(mRenderer, dx, dy); 582 } 583 584 private static native void nTranslate(int renderer, float dx, float dy); 585 586 @Override 587 public void skew(float sx, float sy) { 588 nSkew(mRenderer, sx, sy); 589 } 590 591 private static native void nSkew(int renderer, float sx, float sy); 592 593 @Override 594 public void rotate(float degrees) { 595 nRotate(mRenderer, degrees); 596 } 597 598 private static native void nRotate(int renderer, float degrees); 599 600 @Override 601 public void scale(float sx, float sy) { 602 nScale(mRenderer, sx, sy); 603 } 604 605 private static native void nScale(int renderer, float sx, float sy); 606 607 @Override 608 public void setMatrix(Matrix matrix) { 609 nSetMatrix(mRenderer, matrix == null ? 0 : matrix.native_instance); 610 } 611 612 private static native void nSetMatrix(int renderer, int matrix); 613 614 @SuppressWarnings("deprecation") 615 @Override 616 public void getMatrix(Matrix matrix) { 617 nGetMatrix(mRenderer, matrix.native_instance); 618 } 619 620 private static native void nGetMatrix(int renderer, int matrix); 621 622 @Override 623 public void concat(Matrix matrix) { 624 if (matrix != null) nConcatMatrix(mRenderer, matrix.native_instance); 625 } 626 627 private static native void nConcatMatrix(int renderer, int matrix); 628 629 /////////////////////////////////////////////////////////////////////////// 630 // State management 631 /////////////////////////////////////////////////////////////////////////// 632 633 @Override 634 public int save() { 635 return nSave(mRenderer, Canvas.CLIP_SAVE_FLAG | Canvas.MATRIX_SAVE_FLAG); 636 } 637 638 @Override 639 public int save(int saveFlags) { 640 return nSave(mRenderer, saveFlags); 641 } 642 643 private static native int nSave(int renderer, int flags); 644 645 @Override 646 public int saveLayer(RectF bounds, Paint paint, int saveFlags) { 647 if (bounds != null) { 648 return saveLayer(bounds.left, bounds.top, bounds.right, bounds.bottom, paint, saveFlags); 649 } 650 651 int count; 652 int modifier = paint != null ? setupColorFilter(paint) : MODIFIER_NONE; 653 try { 654 final int nativePaint = paint == null ? 0 : paint.mNativePaint; 655 count = nSaveLayer(mRenderer, nativePaint, saveFlags); 656 } finally { 657 if (modifier != MODIFIER_NONE) nResetModifiers(mRenderer, modifier); 658 } 659 return count; 660 } 661 662 private static native int nSaveLayer(int renderer, int paint, int saveFlags); 663 664 @Override 665 public int saveLayer(float left, float top, float right, float bottom, Paint paint, 666 int saveFlags) { 667 if (left < right && top < bottom) { 668 int count; 669 int modifier = paint != null ? setupColorFilter(paint) : MODIFIER_NONE; 670 try { 671 final int nativePaint = paint == null ? 0 : paint.mNativePaint; 672 count = nSaveLayer(mRenderer, left, top, right, bottom, nativePaint, saveFlags); 673 } finally { 674 if (modifier != MODIFIER_NONE) nResetModifiers(mRenderer, modifier); 675 } 676 return count; 677 } 678 return save(saveFlags); 679 } 680 681 private static native int nSaveLayer(int renderer, float left, float top, 682 float right, float bottom, int paint, int saveFlags); 683 684 @Override 685 public int saveLayerAlpha(RectF bounds, int alpha, int saveFlags) { 686 if (bounds != null) { 687 return saveLayerAlpha(bounds.left, bounds.top, bounds.right, bounds.bottom, 688 alpha, saveFlags); 689 } 690 return nSaveLayerAlpha(mRenderer, alpha, saveFlags); 691 } 692 693 private static native int nSaveLayerAlpha(int renderer, int alpha, int saveFlags); 694 695 @Override 696 public int saveLayerAlpha(float left, float top, float right, float bottom, int alpha, 697 int saveFlags) { 698 if (left < right && top < bottom) { 699 return nSaveLayerAlpha(mRenderer, left, top, right, bottom, alpha, saveFlags); 700 } 701 return save(saveFlags); 702 } 703 704 private static native int nSaveLayerAlpha(int renderer, float left, float top, float right, 705 float bottom, int alpha, int saveFlags); 706 707 @Override 708 public void restore() { 709 nRestore(mRenderer); 710 } 711 712 private static native void nRestore(int renderer); 713 714 @Override 715 public void restoreToCount(int saveCount) { 716 nRestoreToCount(mRenderer, saveCount); 717 } 718 719 private static native void nRestoreToCount(int renderer, int saveCount); 720 721 @Override 722 public int getSaveCount() { 723 return nGetSaveCount(mRenderer); 724 } 725 726 private static native int nGetSaveCount(int renderer); 727 728 /////////////////////////////////////////////////////////////////////////// 729 // Filtering 730 /////////////////////////////////////////////////////////////////////////// 731 732 @Override 733 public void setDrawFilter(DrawFilter filter) { 734 mFilter = filter; 735 if (filter == null) { 736 nResetPaintFilter(mRenderer); 737 } else if (filter instanceof PaintFlagsDrawFilter) { 738 PaintFlagsDrawFilter flagsFilter = (PaintFlagsDrawFilter) filter; 739 nSetupPaintFilter(mRenderer, flagsFilter.clearBits, flagsFilter.setBits); 740 } 741 } 742 743 private static native void nResetPaintFilter(int renderer); 744 private static native void nSetupPaintFilter(int renderer, int clearBits, int setBits); 745 746 @Override 747 public DrawFilter getDrawFilter() { 748 return mFilter; 749 } 750 751 /////////////////////////////////////////////////////////////////////////// 752 // Drawing 753 /////////////////////////////////////////////////////////////////////////// 754 755 @Override 756 public void drawArc(RectF oval, float startAngle, float sweepAngle, boolean useCenter, 757 Paint paint) { 758 int modifiers = setupModifiers(paint, MODIFIER_COLOR_FILTER | MODIFIER_SHADER); 759 try { 760 nDrawArc(mRenderer, oval.left, oval.top, oval.right, oval.bottom, 761 startAngle, sweepAngle, useCenter, paint.mNativePaint); 762 } finally { 763 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 764 } 765 } 766 767 private static native void nDrawArc(int renderer, float left, float top, 768 float right, float bottom, float startAngle, float sweepAngle, 769 boolean useCenter, int paint); 770 771 @Override 772 public void drawARGB(int a, int r, int g, int b) { 773 drawColor((a & 0xFF) << 24 | (r & 0xFF) << 16 | (g & 0xFF) << 8 | (b & 0xFF)); 774 } 775 776 @Override 777 public void drawPatch(NinePatch patch, Rect dst, Paint paint) { 778 Bitmap bitmap = patch.getBitmap(); 779 throwIfCannotDraw(bitmap); 780 // Shaders are ignored when drawing patches 781 int modifier = paint != null ? setupColorFilter(paint) : MODIFIER_NONE; 782 try { 783 final int nativePaint = paint == null ? 0 : paint.mNativePaint; 784 nDrawPatch(mRenderer, bitmap.mNativeBitmap, bitmap.mBuffer, patch.mNativeChunk, 785 dst.left, dst.top, dst.right, dst.bottom, nativePaint); 786 } finally { 787 if (modifier != MODIFIER_NONE) nResetModifiers(mRenderer, modifier); 788 } 789 } 790 791 @Override 792 public void drawPatch(NinePatch patch, RectF dst, Paint paint) { 793 Bitmap bitmap = patch.getBitmap(); 794 throwIfCannotDraw(bitmap); 795 // Shaders are ignored when drawing patches 796 int modifier = paint != null ? setupColorFilter(paint) : MODIFIER_NONE; 797 try { 798 final int nativePaint = paint == null ? 0 : paint.mNativePaint; 799 nDrawPatch(mRenderer, bitmap.mNativeBitmap, bitmap.mBuffer, patch.mNativeChunk, 800 dst.left, dst.top, dst.right, dst.bottom, nativePaint); 801 } finally { 802 if (modifier != MODIFIER_NONE) nResetModifiers(mRenderer, modifier); 803 } 804 } 805 806 private static native void nDrawPatch(int renderer, int bitmap, byte[] buffer, int chunk, 807 float left, float top, float right, float bottom, int paint); 808 809 @Override 810 public void drawBitmap(Bitmap bitmap, float left, float top, Paint paint) { 811 throwIfCannotDraw(bitmap); 812 // Shaders are ignored when drawing bitmaps 813 int modifiers = paint != null ? setupModifiers(bitmap, paint) : MODIFIER_NONE; 814 try { 815 final int nativePaint = paint == null ? 0 : paint.mNativePaint; 816 nDrawBitmap(mRenderer, bitmap.mNativeBitmap, bitmap.mBuffer, left, top, nativePaint); 817 } finally { 818 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 819 } 820 } 821 822 private static native void nDrawBitmap(int renderer, int bitmap, byte[] buffer, 823 float left, float top, int paint); 824 825 @Override 826 public void drawBitmap(Bitmap bitmap, Matrix matrix, Paint paint) { 827 throwIfCannotDraw(bitmap); 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 nDrawBitmap(mRenderer, bitmap.mNativeBitmap, bitmap.mBuffer, 833 matrix.native_instance, nativePaint); 834 } finally { 835 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 836 } 837 } 838 839 private static native void nDrawBitmap(int renderer, int bitmap, byte[] buffer, 840 int matrix, int paint); 841 842 @Override 843 public void drawBitmap(Bitmap bitmap, Rect src, Rect dst, Paint paint) { 844 throwIfCannotDraw(bitmap); 845 // Shaders are ignored when drawing bitmaps 846 int modifiers = paint != null ? setupModifiers(bitmap, paint) : MODIFIER_NONE; 847 try { 848 final int nativePaint = paint == null ? 0 : paint.mNativePaint; 849 850 int left, top, right, bottom; 851 if (src == null) { 852 left = top = 0; 853 right = bitmap.getWidth(); 854 bottom = bitmap.getHeight(); 855 } else { 856 left = src.left; 857 right = src.right; 858 top = src.top; 859 bottom = src.bottom; 860 } 861 862 nDrawBitmap(mRenderer, bitmap.mNativeBitmap, bitmap.mBuffer, left, top, right, bottom, 863 dst.left, dst.top, dst.right, dst.bottom, nativePaint); 864 } finally { 865 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 866 } 867 } 868 869 @Override 870 public void drawBitmap(Bitmap bitmap, Rect src, RectF dst, Paint paint) { 871 throwIfCannotDraw(bitmap); 872 // Shaders are ignored when drawing bitmaps 873 int modifiers = paint != null ? setupModifiers(bitmap, paint) : MODIFIER_NONE; 874 try { 875 final int nativePaint = paint == null ? 0 : paint.mNativePaint; 876 877 float left, top, right, bottom; 878 if (src == null) { 879 left = top = 0; 880 right = bitmap.getWidth(); 881 bottom = bitmap.getHeight(); 882 } else { 883 left = src.left; 884 right = src.right; 885 top = src.top; 886 bottom = src.bottom; 887 } 888 889 nDrawBitmap(mRenderer, bitmap.mNativeBitmap, bitmap.mBuffer, left, top, right, bottom, 890 dst.left, dst.top, dst.right, dst.bottom, nativePaint); 891 } finally { 892 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 893 } 894 } 895 896 private static native void nDrawBitmap(int renderer, int bitmap, byte[] buffer, 897 float srcLeft, float srcTop, float srcRight, float srcBottom, 898 float left, float top, float right, float bottom, int paint); 899 900 @Override 901 public void drawBitmap(int[] colors, int offset, int stride, float x, float y, 902 int width, int height, boolean hasAlpha, Paint paint) { 903 if (width < 0) { 904 throw new IllegalArgumentException("width must be >= 0"); 905 } 906 907 if (height < 0) { 908 throw new IllegalArgumentException("height must be >= 0"); 909 } 910 911 if (Math.abs(stride) < width) { 912 throw new IllegalArgumentException("abs(stride) must be >= width"); 913 } 914 915 int lastScanline = offset + (height - 1) * stride; 916 int length = colors.length; 917 918 if (offset < 0 || (offset + width > length) || lastScanline < 0 || 919 (lastScanline + width > length)) { 920 throw new ArrayIndexOutOfBoundsException(); 921 } 922 923 // Shaders are ignored when drawing bitmaps 924 int modifier = paint != null ? setupColorFilter(paint) : MODIFIER_NONE; 925 try { 926 final int nativePaint = paint == null ? 0 : paint.mNativePaint; 927 nDrawBitmap(mRenderer, colors, offset, stride, x, y, 928 width, height, hasAlpha, nativePaint); 929 } finally { 930 if (modifier != MODIFIER_NONE) nResetModifiers(mRenderer, modifier); 931 } 932 } 933 934 private static native void nDrawBitmap(int renderer, int[] colors, int offset, int stride, 935 float x, float y, int width, int height, boolean hasAlpha, int nativePaint); 936 937 @Override 938 public void drawBitmap(int[] colors, int offset, int stride, int x, int y, 939 int width, int height, boolean hasAlpha, Paint paint) { 940 // Shaders are ignored when drawing bitmaps 941 drawBitmap(colors, offset, stride, (float) x, (float) y, width, height, hasAlpha, paint); 942 } 943 944 @Override 945 public void drawBitmapMesh(Bitmap bitmap, int meshWidth, int meshHeight, float[] verts, 946 int vertOffset, int[] colors, int colorOffset, Paint paint) { 947 throwIfCannotDraw(bitmap); 948 if (meshWidth < 0 || meshHeight < 0 || vertOffset < 0 || colorOffset < 0) { 949 throw new ArrayIndexOutOfBoundsException(); 950 } 951 952 if (meshWidth == 0 || meshHeight == 0) { 953 return; 954 } 955 956 final int count = (meshWidth + 1) * (meshHeight + 1); 957 checkRange(verts.length, vertOffset, count * 2); 958 959 if (colors != null) { 960 checkRange(colors.length, colorOffset, count); 961 } 962 963 int modifiers = paint != null ? setupModifiers(bitmap, paint) : MODIFIER_NONE; 964 try { 965 final int nativePaint = paint == null ? 0 : paint.mNativePaint; 966 nDrawBitmapMesh(mRenderer, bitmap.mNativeBitmap, bitmap.mBuffer, meshWidth, meshHeight, 967 verts, vertOffset, colors, colorOffset, nativePaint); 968 } finally { 969 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 970 } 971 } 972 973 private static native void nDrawBitmapMesh(int renderer, int bitmap, byte[] buffer, 974 int meshWidth, int meshHeight, float[] verts, int vertOffset, 975 int[] colors, int colorOffset, int paint); 976 977 @Override 978 public void drawCircle(float cx, float cy, float radius, Paint paint) { 979 int modifiers = setupModifiers(paint, MODIFIER_COLOR_FILTER | MODIFIER_SHADER); 980 try { 981 nDrawCircle(mRenderer, cx, cy, radius, paint.mNativePaint); 982 } finally { 983 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 984 } 985 } 986 987 private static native void nDrawCircle(int renderer, float cx, float cy, 988 float radius, int paint); 989 990 @Override 991 public void drawColor(int color) { 992 drawColor(color, PorterDuff.Mode.SRC_OVER); 993 } 994 995 @Override 996 public void drawColor(int color, PorterDuff.Mode mode) { 997 nDrawColor(mRenderer, color, mode.nativeInt); 998 } 999 1000 private static native void nDrawColor(int renderer, int color, int mode); 1001 1002 @Override 1003 public void drawLine(float startX, float startY, float stopX, float stopY, Paint paint) { 1004 float[] line = getLineStorage(); 1005 line[0] = startX; 1006 line[1] = startY; 1007 line[2] = stopX; 1008 line[3] = stopY; 1009 drawLines(line, 0, 4, paint); 1010 } 1011 1012 @Override 1013 public void drawLines(float[] pts, int offset, int count, Paint paint) { 1014 if (count < 4) return; 1015 1016 if ((offset | count) < 0 || offset + count > pts.length) { 1017 throw new IllegalArgumentException("The lines array must contain 4 elements per line."); 1018 } 1019 int modifiers = setupModifiers(paint, MODIFIER_COLOR_FILTER | MODIFIER_SHADER); 1020 try { 1021 nDrawLines(mRenderer, pts, offset, count, paint.mNativePaint); 1022 } finally { 1023 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1024 } 1025 } 1026 1027 private static native void nDrawLines(int renderer, float[] points, 1028 int offset, int count, int paint); 1029 1030 @Override 1031 public void drawLines(float[] pts, Paint paint) { 1032 drawLines(pts, 0, pts.length, paint); 1033 } 1034 1035 @Override 1036 public void drawOval(RectF oval, Paint paint) { 1037 int modifiers = setupModifiers(paint, MODIFIER_COLOR_FILTER | MODIFIER_SHADER); 1038 try { 1039 nDrawOval(mRenderer, oval.left, oval.top, oval.right, oval.bottom, paint.mNativePaint); 1040 } finally { 1041 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1042 } 1043 } 1044 1045 private static native void nDrawOval(int renderer, float left, float top, 1046 float right, float bottom, int paint); 1047 1048 @Override 1049 public void drawPaint(Paint paint) { 1050 final Rect r = getInternalClipBounds(); 1051 nGetClipBounds(mRenderer, r); 1052 drawRect(r.left, r.top, r.right, r.bottom, paint); 1053 } 1054 1055 @Override 1056 public void drawPath(Path path, Paint paint) { 1057 int modifiers = setupModifiers(paint, MODIFIER_COLOR_FILTER | MODIFIER_SHADER); 1058 try { 1059 if (path.isSimplePath) { 1060 if (path.rects != null) { 1061 nDrawRects(mRenderer, path.rects.mNativeRegion, paint.mNativePaint); 1062 } 1063 } else { 1064 nDrawPath(mRenderer, path.mNativePath, paint.mNativePaint); 1065 } 1066 } finally { 1067 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1068 } 1069 } 1070 1071 private static native void nDrawPath(int renderer, int path, int paint); 1072 private static native void nDrawRects(int renderer, int region, int paint); 1073 1074 void drawRects(float[] rects, int count, Paint paint) { 1075 int modifiers = setupModifiers(paint, MODIFIER_COLOR_FILTER | MODIFIER_SHADER); 1076 try { 1077 nDrawRects(mRenderer, rects, count, paint.mNativePaint); 1078 } finally { 1079 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1080 } 1081 } 1082 1083 private static native void nDrawRects(int renderer, float[] rects, int count, int paint); 1084 1085 @Override 1086 public void drawPicture(Picture picture) { 1087 if (picture.createdFromStream) { 1088 return; 1089 } 1090 1091 picture.endRecording(); 1092 // TODO: Implement rendering 1093 } 1094 1095 @Override 1096 public void drawPicture(Picture picture, Rect dst) { 1097 if (picture.createdFromStream) { 1098 return; 1099 } 1100 1101 save(); 1102 translate(dst.left, dst.top); 1103 if (picture.getWidth() > 0 && picture.getHeight() > 0) { 1104 scale(dst.width() / picture.getWidth(), dst.height() / picture.getHeight()); 1105 } 1106 drawPicture(picture); 1107 restore(); 1108 } 1109 1110 @Override 1111 public void drawPicture(Picture picture, RectF dst) { 1112 if (picture.createdFromStream) { 1113 return; 1114 } 1115 1116 save(); 1117 translate(dst.left, dst.top); 1118 if (picture.getWidth() > 0 && picture.getHeight() > 0) { 1119 scale(dst.width() / picture.getWidth(), dst.height() / picture.getHeight()); 1120 } 1121 drawPicture(picture); 1122 restore(); 1123 } 1124 1125 @Override 1126 public void drawPoint(float x, float y, Paint paint) { 1127 float[] point = getPointStorage(); 1128 point[0] = x; 1129 point[1] = y; 1130 drawPoints(point, 0, 2, paint); 1131 } 1132 1133 @Override 1134 public void drawPoints(float[] pts, Paint paint) { 1135 drawPoints(pts, 0, pts.length, paint); 1136 } 1137 1138 @Override 1139 public void drawPoints(float[] pts, int offset, int count, Paint paint) { 1140 if (count < 2) return; 1141 1142 int modifiers = setupModifiers(paint, MODIFIER_COLOR_FILTER | MODIFIER_SHADER); 1143 try { 1144 nDrawPoints(mRenderer, pts, offset, count, paint.mNativePaint); 1145 } finally { 1146 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1147 } 1148 } 1149 1150 private static native void nDrawPoints(int renderer, float[] points, 1151 int offset, int count, int paint); 1152 1153 @SuppressWarnings("deprecation") 1154 @Override 1155 public void drawPosText(char[] text, int index, int count, float[] pos, Paint paint) { 1156 if (index < 0 || index + count > text.length || count * 2 > pos.length) { 1157 throw new IndexOutOfBoundsException(); 1158 } 1159 1160 int modifiers = setupModifiers(paint); 1161 try { 1162 nDrawPosText(mRenderer, text, index, count, pos, paint.mNativePaint); 1163 } finally { 1164 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1165 } 1166 } 1167 1168 private static native void nDrawPosText(int renderer, char[] text, int index, int count, 1169 float[] pos, int paint); 1170 1171 @SuppressWarnings("deprecation") 1172 @Override 1173 public void drawPosText(String text, float[] pos, Paint paint) { 1174 if (text.length() * 2 > pos.length) { 1175 throw new ArrayIndexOutOfBoundsException(); 1176 } 1177 1178 int modifiers = setupModifiers(paint); 1179 try { 1180 nDrawPosText(mRenderer, text, 0, text.length(), pos, paint.mNativePaint); 1181 } finally { 1182 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1183 } 1184 } 1185 1186 private static native void nDrawPosText(int renderer, String text, int start, int end, 1187 float[] pos, int paint); 1188 1189 @Override 1190 public void drawRect(float left, float top, float right, float bottom, Paint paint) { 1191 if (left == right || top == bottom) return; 1192 int modifiers = setupModifiers(paint, MODIFIER_COLOR_FILTER | MODIFIER_SHADER); 1193 try { 1194 nDrawRect(mRenderer, left, top, right, bottom, paint.mNativePaint); 1195 } finally { 1196 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1197 } 1198 } 1199 1200 private static native void nDrawRect(int renderer, float left, float top, 1201 float right, float bottom, int paint); 1202 1203 @Override 1204 public void drawRect(Rect r, Paint paint) { 1205 drawRect(r.left, r.top, r.right, r.bottom, paint); 1206 } 1207 1208 @Override 1209 public void drawRect(RectF r, Paint paint) { 1210 drawRect(r.left, r.top, r.right, r.bottom, paint); 1211 } 1212 1213 @Override 1214 public void drawRGB(int r, int g, int b) { 1215 drawColor(0xFF000000 | (r & 0xFF) << 16 | (g & 0xFF) << 8 | (b & 0xFF)); 1216 } 1217 1218 @Override 1219 public void drawRoundRect(RectF rect, float rx, float ry, Paint paint) { 1220 int modifiers = setupModifiers(paint, MODIFIER_COLOR_FILTER | MODIFIER_SHADER); 1221 try { 1222 nDrawRoundRect(mRenderer, rect.left, rect.top, rect.right, rect.bottom, 1223 rx, ry, paint.mNativePaint); 1224 } finally { 1225 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1226 } 1227 } 1228 1229 private static native void nDrawRoundRect(int renderer, float left, float top, 1230 float right, float bottom, float rx, float y, int paint); 1231 1232 @Override 1233 public void drawText(char[] text, int index, int count, float x, float y, Paint paint) { 1234 if ((index | count | (index + count) | (text.length - index - count)) < 0) { 1235 throw new IndexOutOfBoundsException(); 1236 } 1237 1238 int modifiers = setupModifiers(paint); 1239 try { 1240 nDrawText(mRenderer, text, index, count, x, y, paint.mBidiFlags, paint.mNativePaint); 1241 } finally { 1242 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1243 } 1244 } 1245 1246 private static native void nDrawText(int renderer, char[] text, int index, int count, 1247 float x, float y, int bidiFlags, int paint); 1248 1249 @Override 1250 public void drawText(CharSequence text, int start, int end, float x, float y, Paint paint) { 1251 int modifiers = setupModifiers(paint); 1252 try { 1253 if (text instanceof String || text instanceof SpannedString || 1254 text instanceof SpannableString) { 1255 nDrawText(mRenderer, text.toString(), start, end, x, y, paint.mBidiFlags, 1256 paint.mNativePaint); 1257 } else if (text instanceof GraphicsOperations) { 1258 ((GraphicsOperations) text).drawText(this, start, end, x, y, 1259 paint); 1260 } else { 1261 char[] buf = TemporaryBuffer.obtain(end - start); 1262 TextUtils.getChars(text, start, end, buf, 0); 1263 nDrawText(mRenderer, buf, 0, end - start, x, y, 1264 paint.mBidiFlags, paint.mNativePaint); 1265 TemporaryBuffer.recycle(buf); 1266 } 1267 } finally { 1268 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1269 } 1270 } 1271 1272 @Override 1273 public void drawText(String text, int start, int end, float x, float y, Paint paint) { 1274 if ((start | end | (end - start) | (text.length() - end)) < 0) { 1275 throw new IndexOutOfBoundsException(); 1276 } 1277 1278 int modifiers = setupModifiers(paint); 1279 try { 1280 nDrawText(mRenderer, text, start, end, x, y, paint.mBidiFlags, paint.mNativePaint); 1281 } finally { 1282 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1283 } 1284 } 1285 1286 private static native void nDrawText(int renderer, String text, int start, int end, 1287 float x, float y, int bidiFlags, int paint); 1288 1289 @Override 1290 public void drawText(String text, float x, float y, Paint paint) { 1291 int modifiers = setupModifiers(paint); 1292 try { 1293 nDrawText(mRenderer, text, 0, text.length(), x, y, paint.mBidiFlags, 1294 paint.mNativePaint); 1295 } finally { 1296 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1297 } 1298 } 1299 1300 @Override 1301 public void drawTextOnPath(char[] text, int index, int count, Path path, float hOffset, 1302 float vOffset, Paint paint) { 1303 if (index < 0 || index + count > text.length) { 1304 throw new ArrayIndexOutOfBoundsException(); 1305 } 1306 1307 int modifiers = setupModifiers(paint); 1308 try { 1309 nDrawTextOnPath(mRenderer, text, index, count, path.mNativePath, hOffset, vOffset, 1310 paint.mBidiFlags, paint.mNativePaint); 1311 } finally { 1312 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1313 } 1314 } 1315 1316 private static native void nDrawTextOnPath(int renderer, char[] text, int index, int count, 1317 int path, float hOffset, float vOffset, int bidiFlags, int nativePaint); 1318 1319 @Override 1320 public void drawTextOnPath(String text, Path path, float hOffset, float vOffset, Paint paint) { 1321 if (text.length() == 0) return; 1322 1323 int modifiers = setupModifiers(paint); 1324 try { 1325 nDrawTextOnPath(mRenderer, text, 0, text.length(), path.mNativePath, hOffset, vOffset, 1326 paint.mBidiFlags, paint.mNativePaint); 1327 } finally { 1328 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1329 } 1330 } 1331 1332 private static native void nDrawTextOnPath(int renderer, String text, int start, int end, 1333 int path, float hOffset, float vOffset, int bidiFlags, int nativePaint); 1334 1335 @Override 1336 public void drawTextRun(char[] text, int index, int count, int contextIndex, int contextCount, 1337 float x, float y, int dir, Paint paint) { 1338 if ((index | count | text.length - index - count) < 0) { 1339 throw new IndexOutOfBoundsException(); 1340 } 1341 if (dir != DIRECTION_LTR && dir != DIRECTION_RTL) { 1342 throw new IllegalArgumentException("Unknown direction: " + dir); 1343 } 1344 1345 int modifiers = setupModifiers(paint); 1346 try { 1347 nDrawTextRun(mRenderer, text, index, count, contextIndex, contextCount, x, y, dir, 1348 paint.mNativePaint); 1349 } finally { 1350 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1351 } 1352 } 1353 1354 private static native void nDrawTextRun(int renderer, char[] text, int index, int count, 1355 int contextIndex, int contextCount, float x, float y, int dir, int nativePaint); 1356 1357 @Override 1358 public void drawTextRun(CharSequence text, int start, int end, int contextStart, int contextEnd, 1359 float x, float y, int dir, Paint paint) { 1360 if ((start | end | end - start | text.length() - end) < 0) { 1361 throw new IndexOutOfBoundsException(); 1362 } 1363 1364 int modifiers = setupModifiers(paint); 1365 try { 1366 int flags = dir == 0 ? 0 : 1; 1367 if (text instanceof String || text instanceof SpannedString || 1368 text instanceof SpannableString) { 1369 nDrawTextRun(mRenderer, text.toString(), start, end, contextStart, 1370 contextEnd, x, y, flags, paint.mNativePaint); 1371 } else if (text instanceof GraphicsOperations) { 1372 ((GraphicsOperations) text).drawTextRun(this, start, end, 1373 contextStart, contextEnd, x, y, flags, paint); 1374 } else { 1375 int contextLen = contextEnd - contextStart; 1376 int len = end - start; 1377 char[] buf = TemporaryBuffer.obtain(contextLen); 1378 TextUtils.getChars(text, contextStart, contextEnd, buf, 0); 1379 nDrawTextRun(mRenderer, buf, start - contextStart, len, 0, contextLen, 1380 x, y, flags, paint.mNativePaint); 1381 TemporaryBuffer.recycle(buf); 1382 } 1383 } finally { 1384 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1385 } 1386 } 1387 1388 private static native void nDrawTextRun(int renderer, String text, int start, int end, 1389 int contextStart, int contextEnd, float x, float y, int flags, int nativePaint); 1390 1391 @Override 1392 public void drawVertices(VertexMode mode, int vertexCount, float[] verts, int vertOffset, 1393 float[] texs, int texOffset, int[] colors, int colorOffset, short[] indices, 1394 int indexOffset, int indexCount, Paint paint) { 1395 // TODO: Implement 1396 } 1397 1398 private int setupModifiers(Bitmap b, Paint paint) { 1399 if (b.getConfig() != Bitmap.Config.ALPHA_8) { 1400 final ColorFilter filter = paint.getColorFilter(); 1401 if (filter != null) { 1402 nSetupColorFilter(mRenderer, filter.nativeColorFilter); 1403 return MODIFIER_COLOR_FILTER; 1404 } 1405 1406 return MODIFIER_NONE; 1407 } else { 1408 return setupModifiers(paint); 1409 } 1410 } 1411 1412 private int setupModifiers(Paint paint) { 1413 int modifiers = MODIFIER_NONE; 1414 1415 if (paint.hasShadow) { 1416 nSetupShadow(mRenderer, paint.shadowRadius, paint.shadowDx, paint.shadowDy, 1417 paint.shadowColor); 1418 modifiers |= MODIFIER_SHADOW; 1419 } 1420 1421 final Shader shader = paint.getShader(); 1422 if (shader != null) { 1423 nSetupShader(mRenderer, shader.native_shader); 1424 modifiers |= MODIFIER_SHADER; 1425 } 1426 1427 final ColorFilter filter = paint.getColorFilter(); 1428 if (filter != null) { 1429 nSetupColorFilter(mRenderer, filter.nativeColorFilter); 1430 modifiers |= MODIFIER_COLOR_FILTER; 1431 } 1432 1433 return modifiers; 1434 } 1435 1436 private int setupModifiers(Paint paint, int flags) { 1437 int modifiers = MODIFIER_NONE; 1438 1439 if (paint.hasShadow && (flags & MODIFIER_SHADOW) != 0) { 1440 nSetupShadow(mRenderer, paint.shadowRadius, paint.shadowDx, paint.shadowDy, 1441 paint.shadowColor); 1442 modifiers |= MODIFIER_SHADOW; 1443 } 1444 1445 final Shader shader = paint.getShader(); 1446 if (shader != null && (flags & MODIFIER_SHADER) != 0) { 1447 nSetupShader(mRenderer, shader.native_shader); 1448 modifiers |= MODIFIER_SHADER; 1449 } 1450 1451 final ColorFilter filter = paint.getColorFilter(); 1452 if (filter != null && (flags & MODIFIER_COLOR_FILTER) != 0) { 1453 nSetupColorFilter(mRenderer, filter.nativeColorFilter); 1454 modifiers |= MODIFIER_COLOR_FILTER; 1455 } 1456 1457 return modifiers; 1458 } 1459 1460 private int setupColorFilter(Paint paint) { 1461 final ColorFilter filter = paint.getColorFilter(); 1462 if (filter != null) { 1463 nSetupColorFilter(mRenderer, filter.nativeColorFilter); 1464 return MODIFIER_COLOR_FILTER; 1465 } 1466 return MODIFIER_NONE; 1467 } 1468 1469 private static native void nSetupShader(int renderer, int shader); 1470 private static native void nSetupColorFilter(int renderer, int colorFilter); 1471 private static native void nSetupShadow(int renderer, float radius, 1472 float dx, float dy, int color); 1473 1474 private static native void nResetModifiers(int renderer, int modifiers); 1475 } 1476
