GLES20Canvas.java revision e3b0a0117a2ab4118f868a731b238fe8f2430276
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 /////////////////////////////////////////////////////////////////////////// 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 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 if (bitmap.isRecycled()) throw new IllegalArgumentException("Cannot draw recycled bitmaps"); 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, 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 if (bitmap.isRecycled()) throw new IllegalArgumentException("Cannot draw recycled bitmaps"); 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, 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, 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 if (bitmap.isRecycled()) throw new IllegalArgumentException("Cannot draw recycled bitmaps"); 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, 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, 823 float left, float top, int paint); 824 825 @Override 826 public void drawBitmap(Bitmap bitmap, Matrix matrix, Paint paint) { 827 if (bitmap.isRecycled()) throw new IllegalArgumentException("Cannot draw recycled bitmaps"); 828 // Shaders are ignored when drawing bitmaps 829 int modifiers = paint != null ? setupModifiers(bitmap, paint) : MODIFIER_NONE; 830 try { 831 final int nativePaint = paint == null ? 0 : paint.mNativePaint; 832 nDrawBitmap(mRenderer, bitmap.mNativeBitmap, 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, int matrix, int paint); 839 840 @Override 841 public void drawBitmap(Bitmap bitmap, Rect src, Rect dst, Paint paint) { 842 if (bitmap.isRecycled()) throw new IllegalArgumentException("Cannot draw recycled bitmaps"); 843 // Shaders are ignored when drawing bitmaps 844 int modifiers = paint != null ? setupModifiers(bitmap, paint) : MODIFIER_NONE; 845 try { 846 final int nativePaint = paint == null ? 0 : paint.mNativePaint; 847 848 int left, top, right, bottom; 849 if (src == null) { 850 left = top = 0; 851 right = bitmap.getWidth(); 852 bottom = bitmap.getHeight(); 853 } else { 854 left = src.left; 855 right = src.right; 856 top = src.top; 857 bottom = src.bottom; 858 } 859 860 nDrawBitmap(mRenderer, bitmap.mNativeBitmap, left, top, right, bottom, 861 dst.left, dst.top, dst.right, dst.bottom, nativePaint); 862 } finally { 863 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 864 } 865 } 866 867 @Override 868 public void drawBitmap(Bitmap bitmap, Rect src, RectF dst, Paint paint) { 869 if (bitmap.isRecycled()) throw new IllegalArgumentException("Cannot draw recycled bitmaps"); 870 // Shaders are ignored when drawing bitmaps 871 int modifiers = paint != null ? setupModifiers(bitmap, paint) : MODIFIER_NONE; 872 try { 873 final int nativePaint = paint == null ? 0 : paint.mNativePaint; 874 875 float left, top, right, bottom; 876 if (src == null) { 877 left = top = 0; 878 right = bitmap.getWidth(); 879 bottom = bitmap.getHeight(); 880 } else { 881 left = src.left; 882 right = src.right; 883 top = src.top; 884 bottom = src.bottom; 885 } 886 887 nDrawBitmap(mRenderer, bitmap.mNativeBitmap, left, top, right, bottom, 888 dst.left, dst.top, dst.right, dst.bottom, nativePaint); 889 } finally { 890 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 891 } 892 } 893 894 private static native void nDrawBitmap(int renderer, int bitmap, 895 float srcLeft, float srcTop, float srcRight, float srcBottom, 896 float left, float top, float right, float bottom, int paint); 897 898 @Override 899 public void drawBitmap(int[] colors, int offset, int stride, float x, float y, 900 int width, int height, boolean hasAlpha, Paint paint) { 901 if (width < 0) { 902 throw new IllegalArgumentException("width must be >= 0"); 903 } 904 905 if (height < 0) { 906 throw new IllegalArgumentException("height must be >= 0"); 907 } 908 909 if (Math.abs(stride) < width) { 910 throw new IllegalArgumentException("abs(stride) must be >= width"); 911 } 912 913 int lastScanline = offset + (height - 1) * stride; 914 int length = colors.length; 915 916 if (offset < 0 || (offset + width > length) || lastScanline < 0 || 917 (lastScanline + width > length)) { 918 throw new ArrayIndexOutOfBoundsException(); 919 } 920 921 // Shaders are ignored when drawing bitmaps 922 int modifier = paint != null ? setupColorFilter(paint) : MODIFIER_NONE; 923 try { 924 final int nativePaint = paint == null ? 0 : paint.mNativePaint; 925 nDrawBitmap(mRenderer, colors, offset, stride, x, y, 926 width, height, hasAlpha, nativePaint); 927 } finally { 928 if (modifier != MODIFIER_NONE) nResetModifiers(mRenderer, modifier); 929 } 930 } 931 932 private static native void nDrawBitmap(int renderer, int[] colors, int offset, int stride, 933 float x, float y, int width, int height, boolean hasAlpha, int nativePaint); 934 935 @Override 936 public void drawBitmap(int[] colors, int offset, int stride, int x, int y, 937 int width, int height, boolean hasAlpha, Paint paint) { 938 // Shaders are ignored when drawing bitmaps 939 drawBitmap(colors, offset, stride, (float) x, (float) y, width, height, hasAlpha, paint); 940 } 941 942 @Override 943 public void drawBitmapMesh(Bitmap bitmap, int meshWidth, int meshHeight, float[] verts, 944 int vertOffset, int[] colors, int colorOffset, Paint paint) { 945 if (bitmap.isRecycled()) throw new IllegalArgumentException("Cannot draw recycled bitmaps"); 946 if (meshWidth < 0 || meshHeight < 0 || vertOffset < 0 || colorOffset < 0) { 947 throw new ArrayIndexOutOfBoundsException(); 948 } 949 950 if (meshWidth == 0 || meshHeight == 0) { 951 return; 952 } 953 954 final int count = (meshWidth + 1) * (meshHeight + 1); 955 checkRange(verts.length, vertOffset, count * 2); 956 957 if (colors != null) { 958 checkRange(colors.length, colorOffset, count); 959 } 960 961 int modifiers = paint != null ? setupModifiers(bitmap, paint) : MODIFIER_NONE; 962 try { 963 final int nativePaint = paint == null ? 0 : paint.mNativePaint; 964 nDrawBitmapMesh(mRenderer, bitmap.mNativeBitmap, meshWidth, meshHeight, 965 verts, vertOffset, colors, colorOffset, nativePaint); 966 } finally { 967 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 968 } 969 } 970 971 private static native void nDrawBitmapMesh(int renderer, int bitmap, 972 int meshWidth, int meshHeight, float[] verts, int vertOffset, 973 int[] colors, int colorOffset, int paint); 974 975 @Override 976 public void drawCircle(float cx, float cy, float radius, Paint paint) { 977 int modifiers = setupModifiers(paint, MODIFIER_COLOR_FILTER | MODIFIER_SHADER); 978 try { 979 nDrawCircle(mRenderer, cx, cy, radius, paint.mNativePaint); 980 } finally { 981 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 982 } 983 } 984 985 private static native void nDrawCircle(int renderer, float cx, float cy, 986 float radius, int paint); 987 988 @Override 989 public void drawColor(int color) { 990 drawColor(color, PorterDuff.Mode.SRC_OVER); 991 } 992 993 @Override 994 public void drawColor(int color, PorterDuff.Mode mode) { 995 nDrawColor(mRenderer, color, mode.nativeInt); 996 } 997 998 private static native void nDrawColor(int renderer, int color, int mode); 999 1000 @Override 1001 public void drawLine(float startX, float startY, float stopX, float stopY, Paint paint) { 1002 float[] line = getLineStorage(); 1003 line[0] = startX; 1004 line[1] = startY; 1005 line[2] = stopX; 1006 line[3] = stopY; 1007 drawLines(line, 0, 4, paint); 1008 } 1009 1010 @Override 1011 public void drawLines(float[] pts, int offset, int count, Paint paint) { 1012 if (count < 4) return; 1013 1014 if ((offset | count) < 0 || offset + count > pts.length) { 1015 throw new IllegalArgumentException("The lines array must contain 4 elements per line."); 1016 } 1017 int modifiers = setupModifiers(paint, MODIFIER_COLOR_FILTER | MODIFIER_SHADER); 1018 try { 1019 nDrawLines(mRenderer, pts, offset, count, paint.mNativePaint); 1020 } finally { 1021 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1022 } 1023 } 1024 1025 private static native void nDrawLines(int renderer, float[] points, 1026 int offset, int count, int paint); 1027 1028 @Override 1029 public void drawLines(float[] pts, Paint paint) { 1030 drawLines(pts, 0, pts.length, paint); 1031 } 1032 1033 @Override 1034 public void drawOval(RectF oval, Paint paint) { 1035 int modifiers = setupModifiers(paint, MODIFIER_COLOR_FILTER | MODIFIER_SHADER); 1036 try { 1037 nDrawOval(mRenderer, oval.left, oval.top, oval.right, oval.bottom, paint.mNativePaint); 1038 } finally { 1039 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1040 } 1041 } 1042 1043 private static native void nDrawOval(int renderer, float left, float top, 1044 float right, float bottom, int paint); 1045 1046 @Override 1047 public void drawPaint(Paint paint) { 1048 final Rect r = getInternalClipBounds(); 1049 nGetClipBounds(mRenderer, r); 1050 drawRect(r.left, r.top, r.right, r.bottom, paint); 1051 } 1052 1053 @Override 1054 public void drawPath(Path path, Paint paint) { 1055 int modifiers = setupModifiers(paint, MODIFIER_COLOR_FILTER | MODIFIER_SHADER); 1056 try { 1057 if (path.isSimplePath) { 1058 if (path.rects != null) { 1059 nDrawRects(mRenderer, path.rects.mNativeRegion, paint.mNativePaint); 1060 } 1061 } else { 1062 nDrawPath(mRenderer, path.mNativePath, paint.mNativePaint); 1063 } 1064 } finally { 1065 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1066 } 1067 } 1068 1069 private static native void nDrawPath(int renderer, int path, int paint); 1070 private static native void nDrawRects(int renderer, int region, int paint); 1071 1072 void drawRects(float[] rects, int count, Paint paint) { 1073 int modifiers = setupModifiers(paint, MODIFIER_COLOR_FILTER | MODIFIER_SHADER); 1074 try { 1075 nDrawRects(mRenderer, rects, count, paint.mNativePaint); 1076 } finally { 1077 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1078 } 1079 } 1080 1081 private static native void nDrawRects(int renderer, float[] rects, int count, int paint); 1082 1083 @Override 1084 public void drawPicture(Picture picture) { 1085 if (picture.createdFromStream) { 1086 return; 1087 } 1088 1089 picture.endRecording(); 1090 // TODO: Implement rendering 1091 } 1092 1093 @Override 1094 public void drawPicture(Picture picture, Rect dst) { 1095 if (picture.createdFromStream) { 1096 return; 1097 } 1098 1099 save(); 1100 translate(dst.left, dst.top); 1101 if (picture.getWidth() > 0 && picture.getHeight() > 0) { 1102 scale(dst.width() / picture.getWidth(), dst.height() / picture.getHeight()); 1103 } 1104 drawPicture(picture); 1105 restore(); 1106 } 1107 1108 @Override 1109 public void drawPicture(Picture picture, RectF dst) { 1110 if (picture.createdFromStream) { 1111 return; 1112 } 1113 1114 save(); 1115 translate(dst.left, dst.top); 1116 if (picture.getWidth() > 0 && picture.getHeight() > 0) { 1117 scale(dst.width() / picture.getWidth(), dst.height() / picture.getHeight()); 1118 } 1119 drawPicture(picture); 1120 restore(); 1121 } 1122 1123 @Override 1124 public void drawPoint(float x, float y, Paint paint) { 1125 float[] point = getPointStorage(); 1126 point[0] = x; 1127 point[1] = y; 1128 drawPoints(point, 0, 2, paint); 1129 } 1130 1131 @Override 1132 public void drawPoints(float[] pts, Paint paint) { 1133 drawPoints(pts, 0, pts.length, paint); 1134 } 1135 1136 @Override 1137 public void drawPoints(float[] pts, int offset, int count, Paint paint) { 1138 if (count < 2) return; 1139 1140 int modifiers = setupModifiers(paint, MODIFIER_COLOR_FILTER | MODIFIER_SHADER); 1141 try { 1142 nDrawPoints(mRenderer, pts, offset, count, paint.mNativePaint); 1143 } finally { 1144 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1145 } 1146 } 1147 1148 private static native void nDrawPoints(int renderer, float[] points, 1149 int offset, int count, int paint); 1150 1151 @SuppressWarnings("deprecation") 1152 @Override 1153 public void drawPosText(char[] text, int index, int count, float[] pos, Paint paint) { 1154 if (index < 0 || index + count > text.length || count * 2 > pos.length) { 1155 throw new IndexOutOfBoundsException(); 1156 } 1157 1158 int modifiers = setupModifiers(paint); 1159 try { 1160 nDrawPosText(mRenderer, text, index, count, pos, paint.mNativePaint); 1161 } finally { 1162 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1163 } 1164 } 1165 1166 private static native void nDrawPosText(int renderer, char[] text, int index, int count, 1167 float[] pos, int paint); 1168 1169 @SuppressWarnings("deprecation") 1170 @Override 1171 public void drawPosText(String text, float[] pos, Paint paint) { 1172 if (text.length() * 2 > pos.length) { 1173 throw new ArrayIndexOutOfBoundsException(); 1174 } 1175 1176 int modifiers = setupModifiers(paint); 1177 try { 1178 nDrawPosText(mRenderer, text, 0, text.length(), pos, paint.mNativePaint); 1179 } finally { 1180 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1181 } 1182 } 1183 1184 private static native void nDrawPosText(int renderer, String text, int start, int end, 1185 float[] pos, int paint); 1186 1187 @Override 1188 public void drawRect(float left, float top, float right, float bottom, Paint paint) { 1189 if (left == right || top == bottom) return; 1190 int modifiers = setupModifiers(paint, MODIFIER_COLOR_FILTER | MODIFIER_SHADER); 1191 try { 1192 nDrawRect(mRenderer, left, top, right, bottom, paint.mNativePaint); 1193 } finally { 1194 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1195 } 1196 } 1197 1198 private static native void nDrawRect(int renderer, float left, float top, 1199 float right, float bottom, int paint); 1200 1201 @Override 1202 public void drawRect(Rect r, Paint paint) { 1203 drawRect(r.left, r.top, r.right, r.bottom, paint); 1204 } 1205 1206 @Override 1207 public void drawRect(RectF r, Paint paint) { 1208 drawRect(r.left, r.top, r.right, r.bottom, paint); 1209 } 1210 1211 @Override 1212 public void drawRGB(int r, int g, int b) { 1213 drawColor(0xFF000000 | (r & 0xFF) << 16 | (g & 0xFF) << 8 | (b & 0xFF)); 1214 } 1215 1216 @Override 1217 public void drawRoundRect(RectF rect, float rx, float ry, Paint paint) { 1218 int modifiers = setupModifiers(paint, MODIFIER_COLOR_FILTER | MODIFIER_SHADER); 1219 try { 1220 nDrawRoundRect(mRenderer, rect.left, rect.top, rect.right, rect.bottom, 1221 rx, ry, paint.mNativePaint); 1222 } finally { 1223 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1224 } 1225 } 1226 1227 private static native void nDrawRoundRect(int renderer, float left, float top, 1228 float right, float bottom, float rx, float y, int paint); 1229 1230 @Override 1231 public void drawText(char[] text, int index, int count, float x, float y, Paint paint) { 1232 if ((index | count | (index + count) | (text.length - index - count)) < 0) { 1233 throw new IndexOutOfBoundsException(); 1234 } 1235 1236 int modifiers = setupModifiers(paint); 1237 try { 1238 nDrawText(mRenderer, text, index, count, x, y, paint.mBidiFlags, paint.mNativePaint); 1239 } finally { 1240 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1241 } 1242 } 1243 1244 private static native void nDrawText(int renderer, char[] text, int index, int count, 1245 float x, float y, int bidiFlags, int paint); 1246 1247 @Override 1248 public void drawText(CharSequence text, int start, int end, float x, float y, Paint paint) { 1249 int modifiers = setupModifiers(paint); 1250 try { 1251 if (text instanceof String || text instanceof SpannedString || 1252 text instanceof SpannableString) { 1253 nDrawText(mRenderer, text.toString(), start, end, x, y, paint.mBidiFlags, 1254 paint.mNativePaint); 1255 } else if (text instanceof GraphicsOperations) { 1256 ((GraphicsOperations) text).drawText(this, start, end, x, y, 1257 paint); 1258 } else { 1259 char[] buf = TemporaryBuffer.obtain(end - start); 1260 TextUtils.getChars(text, start, end, buf, 0); 1261 nDrawText(mRenderer, buf, 0, end - start, x, y, 1262 paint.mBidiFlags, paint.mNativePaint); 1263 TemporaryBuffer.recycle(buf); 1264 } 1265 } finally { 1266 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1267 } 1268 } 1269 1270 @Override 1271 public void drawText(String text, int start, int end, float x, float y, Paint paint) { 1272 if ((start | end | (end - start) | (text.length() - end)) < 0) { 1273 throw new IndexOutOfBoundsException(); 1274 } 1275 1276 int modifiers = setupModifiers(paint); 1277 try { 1278 nDrawText(mRenderer, text, start, end, x, y, paint.mBidiFlags, paint.mNativePaint); 1279 } finally { 1280 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1281 } 1282 } 1283 1284 private static native void nDrawText(int renderer, String text, int start, int end, 1285 float x, float y, int bidiFlags, int paint); 1286 1287 @Override 1288 public void drawText(String text, float x, float y, Paint paint) { 1289 int modifiers = setupModifiers(paint); 1290 try { 1291 nDrawText(mRenderer, text, 0, text.length(), x, y, paint.mBidiFlags, 1292 paint.mNativePaint); 1293 } finally { 1294 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1295 } 1296 } 1297 1298 @Override 1299 public void drawTextOnPath(char[] text, int index, int count, Path path, float hOffset, 1300 float vOffset, Paint paint) { 1301 if (index < 0 || index + count > text.length) { 1302 throw new ArrayIndexOutOfBoundsException(); 1303 } 1304 1305 int modifiers = setupModifiers(paint); 1306 try { 1307 nDrawTextOnPath(mRenderer, text, index, count, path.mNativePath, hOffset, vOffset, 1308 paint.mBidiFlags, paint.mNativePaint); 1309 } finally { 1310 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1311 } 1312 } 1313 1314 private static native void nDrawTextOnPath(int renderer, char[] text, int index, int count, 1315 int path, float hOffset, float vOffset, int bidiFlags, int nativePaint); 1316 1317 @Override 1318 public void drawTextOnPath(String text, Path path, float hOffset, float vOffset, Paint paint) { 1319 if (text.length() == 0) return; 1320 1321 int modifiers = setupModifiers(paint); 1322 try { 1323 nDrawTextOnPath(mRenderer, text, 0, text.length(), path.mNativePath, hOffset, vOffset, 1324 paint.mBidiFlags, paint.mNativePaint); 1325 } finally { 1326 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1327 } 1328 } 1329 1330 private static native void nDrawTextOnPath(int renderer, String text, int start, int end, 1331 int path, float hOffset, float vOffset, int bidiFlags, int nativePaint); 1332 1333 @Override 1334 public void drawTextRun(char[] text, int index, int count, int contextIndex, int contextCount, 1335 float x, float y, int dir, Paint paint) { 1336 if ((index | count | text.length - index - count) < 0) { 1337 throw new IndexOutOfBoundsException(); 1338 } 1339 if (dir != DIRECTION_LTR && dir != DIRECTION_RTL) { 1340 throw new IllegalArgumentException("Unknown direction: " + dir); 1341 } 1342 1343 int modifiers = setupModifiers(paint); 1344 try { 1345 nDrawTextRun(mRenderer, text, index, count, contextIndex, contextCount, x, y, dir, 1346 paint.mNativePaint); 1347 } finally { 1348 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1349 } 1350 } 1351 1352 private static native void nDrawTextRun(int renderer, char[] text, int index, int count, 1353 int contextIndex, int contextCount, float x, float y, int dir, int nativePaint); 1354 1355 @Override 1356 public void drawTextRun(CharSequence text, int start, int end, int contextStart, int contextEnd, 1357 float x, float y, int dir, Paint paint) { 1358 if ((start | end | end - start | text.length() - end) < 0) { 1359 throw new IndexOutOfBoundsException(); 1360 } 1361 1362 int modifiers = setupModifiers(paint); 1363 try { 1364 int flags = dir == 0 ? 0 : 1; 1365 if (text instanceof String || text instanceof SpannedString || 1366 text instanceof SpannableString) { 1367 nDrawTextRun(mRenderer, text.toString(), start, end, contextStart, 1368 contextEnd, x, y, flags, paint.mNativePaint); 1369 } else if (text instanceof GraphicsOperations) { 1370 ((GraphicsOperations) text).drawTextRun(this, start, end, 1371 contextStart, contextEnd, x, y, flags, paint); 1372 } else { 1373 int contextLen = contextEnd - contextStart; 1374 int len = end - start; 1375 char[] buf = TemporaryBuffer.obtain(contextLen); 1376 TextUtils.getChars(text, contextStart, contextEnd, buf, 0); 1377 nDrawTextRun(mRenderer, buf, start - contextStart, len, 0, contextLen, 1378 x, y, flags, paint.mNativePaint); 1379 TemporaryBuffer.recycle(buf); 1380 } 1381 } finally { 1382 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1383 } 1384 } 1385 1386 private static native void nDrawTextRun(int renderer, String text, int start, int end, 1387 int contextStart, int contextEnd, float x, float y, int flags, int nativePaint); 1388 1389 @Override 1390 public void drawVertices(VertexMode mode, int vertexCount, float[] verts, int vertOffset, 1391 float[] texs, int texOffset, int[] colors, int colorOffset, short[] indices, 1392 int indexOffset, int indexCount, Paint paint) { 1393 // TODO: Implement 1394 } 1395 1396 private int setupModifiers(Bitmap b, Paint paint) { 1397 if (b.getConfig() != Bitmap.Config.ALPHA_8) { 1398 final ColorFilter filter = paint.getColorFilter(); 1399 if (filter != null) { 1400 nSetupColorFilter(mRenderer, filter.nativeColorFilter); 1401 return MODIFIER_COLOR_FILTER; 1402 } 1403 1404 return MODIFIER_NONE; 1405 } else { 1406 return setupModifiers(paint); 1407 } 1408 } 1409 1410 private int setupModifiers(Paint paint) { 1411 int modifiers = MODIFIER_NONE; 1412 1413 if (paint.hasShadow) { 1414 nSetupShadow(mRenderer, paint.shadowRadius, paint.shadowDx, paint.shadowDy, 1415 paint.shadowColor); 1416 modifiers |= MODIFIER_SHADOW; 1417 } 1418 1419 final Shader shader = paint.getShader(); 1420 if (shader != null) { 1421 nSetupShader(mRenderer, shader.native_shader); 1422 modifiers |= MODIFIER_SHADER; 1423 } 1424 1425 final ColorFilter filter = paint.getColorFilter(); 1426 if (filter != null) { 1427 nSetupColorFilter(mRenderer, filter.nativeColorFilter); 1428 modifiers |= MODIFIER_COLOR_FILTER; 1429 } 1430 1431 return modifiers; 1432 } 1433 1434 private int setupModifiers(Paint paint, int flags) { 1435 int modifiers = MODIFIER_NONE; 1436 1437 if (paint.hasShadow && (flags & MODIFIER_SHADOW) != 0) { 1438 nSetupShadow(mRenderer, paint.shadowRadius, paint.shadowDx, paint.shadowDy, 1439 paint.shadowColor); 1440 modifiers |= MODIFIER_SHADOW; 1441 } 1442 1443 final Shader shader = paint.getShader(); 1444 if (shader != null && (flags & MODIFIER_SHADER) != 0) { 1445 nSetupShader(mRenderer, shader.native_shader); 1446 modifiers |= MODIFIER_SHADER; 1447 } 1448 1449 final ColorFilter filter = paint.getColorFilter(); 1450 if (filter != null && (flags & MODIFIER_COLOR_FILTER) != 0) { 1451 nSetupColorFilter(mRenderer, filter.nativeColorFilter); 1452 modifiers |= MODIFIER_COLOR_FILTER; 1453 } 1454 1455 return modifiers; 1456 } 1457 1458 private int setupColorFilter(Paint paint) { 1459 final ColorFilter filter = paint.getColorFilter(); 1460 if (filter != null) { 1461 nSetupColorFilter(mRenderer, filter.nativeColorFilter); 1462 return MODIFIER_COLOR_FILTER; 1463 } 1464 return MODIFIER_NONE; 1465 } 1466 1467 private static native void nSetupShader(int renderer, int shader); 1468 private static native void nSetupColorFilter(int renderer, int colorFilter); 1469 private static native void nSetupShadow(int renderer, float radius, 1470 float dx, float dy, int color); 1471 1472 private static native void nResetModifiers(int renderer, int modifiers); 1473} 1474