GLES20Canvas.java revision 405436021da156fbe3c5d4de48bdefa564cf7fc0
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 final float[] mPoint = new float[2]; 63 private final float[] mLine = new float[4]; 64 65 private final Rect mClipBounds = new Rect(); 66 private final RectF mPathBounds = new RectF(); 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 flushLayerUpdates() { 167 nFlushLayerUpdates(mRenderer); 168 } 169 170 @Override 171 void clearLayerUpdates() { 172 nClearLayerUpdates(mRenderer); 173 } 174 175 static native int nCreateTextureLayer(boolean opaque, int[] layerInfo); 176 static native int nCreateLayer(int width, int height, boolean isOpaque, int[] layerInfo); 177 static native boolean nResizeLayer(int layerId, int width, int height, int[] layerInfo); 178 static native void nSetOpaqueLayer(int layerId, boolean isOpaque); 179 static native void nSetLayerPaint(int layerId, int nativePaint); 180 static native void nSetLayerColorFilter(int layerId, int nativeColorFilter); 181 static native void nUpdateTextureLayer(int layerId, int width, int height, boolean opaque, 182 SurfaceTexture surface); 183 static native void nClearLayerTexture(int layerId); 184 static native void nSetTextureLayerTransform(int layerId, int matrix); 185 static native void nDestroyLayer(int layerId); 186 static native void nDestroyLayerDeferred(int layerId); 187 static native void nUpdateRenderLayer(int layerId, int renderer, int displayList, 188 int left, int top, int right, int bottom); 189 static native boolean nCopyLayer(int layerId, int bitmap); 190 191 private static native void nClearLayerUpdates(int renderer); 192 private static native void nFlushLayerUpdates(int renderer); 193 private static native void nPushLayerUpdate(int renderer, int layer); 194 195 /////////////////////////////////////////////////////////////////////////// 196 // Canvas management 197 /////////////////////////////////////////////////////////////////////////// 198 199 @Override 200 public boolean isOpaque() { 201 return mOpaque; 202 } 203 204 @Override 205 public int getWidth() { 206 return mWidth; 207 } 208 209 @Override 210 public int getHeight() { 211 return mHeight; 212 } 213 214 @Override 215 public int getMaximumBitmapWidth() { 216 return nGetMaximumTextureWidth(); 217 } 218 219 @Override 220 public int getMaximumBitmapHeight() { 221 return nGetMaximumTextureHeight(); 222 } 223 224 private static native int nGetMaximumTextureWidth(); 225 private static native int nGetMaximumTextureHeight(); 226 227 /** 228 * Returns the native OpenGLRenderer object. 229 */ 230 int getRenderer() { 231 return mRenderer; 232 } 233 234 /////////////////////////////////////////////////////////////////////////// 235 // Setup 236 /////////////////////////////////////////////////////////////////////////// 237 238 @Override 239 public void setViewport(int width, int height) { 240 mWidth = width; 241 mHeight = height; 242 243 nSetViewport(mRenderer, width, height); 244 } 245 246 private static native void nSetViewport(int renderer, int width, int height); 247 248 @Override 249 public int onPreDraw(Rect dirty) { 250 if (dirty != null) { 251 return nPrepareDirty(mRenderer, dirty.left, dirty.top, dirty.right, dirty.bottom, 252 mOpaque); 253 } else { 254 return nPrepare(mRenderer, mOpaque); 255 } 256 } 257 258 private static native int nPrepare(int renderer, boolean opaque); 259 private static native int nPrepareDirty(int renderer, int left, int top, int right, int bottom, 260 boolean opaque); 261 262 @Override 263 public void onPostDraw() { 264 nFinish(mRenderer); 265 } 266 267 private static native void nFinish(int renderer); 268 269 /** 270 * Returns the size of the stencil buffer required by the underlying 271 * implementation. 272 * 273 * @return The minimum number of bits the stencil buffer must. Always >= 0. 274 * 275 * @hide 276 */ 277 public static int getStencilSize() { 278 return nGetStencilSize(); 279 } 280 281 private static native int nGetStencilSize(); 282 283 void setCountOverdrawEnabled(boolean enabled) { 284 nSetCountOverdrawEnabled(mRenderer, enabled); 285 } 286 287 static native void nSetCountOverdrawEnabled(int renderer, boolean enabled); 288 289 float getOverdraw() { 290 return nGetOverdraw(mRenderer); 291 } 292 293 static native float nGetOverdraw(int renderer); 294 295 /////////////////////////////////////////////////////////////////////////// 296 // Functor 297 /////////////////////////////////////////////////////////////////////////// 298 299 @Override 300 public int callDrawGLFunction(int drawGLFunction) { 301 return nCallDrawGLFunction(mRenderer, drawGLFunction); 302 } 303 304 private static native int nCallDrawGLFunction(int renderer, int drawGLFunction); 305 306 @Override 307 public int invokeFunctors(Rect dirty) { 308 return nInvokeFunctors(mRenderer, dirty); 309 } 310 311 private static native int nInvokeFunctors(int renderer, Rect dirty); 312 313 @Override 314 public void detachFunctor(int functor) { 315 nDetachFunctor(mRenderer, functor); 316 } 317 318 private static native void nDetachFunctor(int renderer, int functor); 319 320 @Override 321 public void attachFunctor(int functor) { 322 nAttachFunctor(mRenderer, functor); 323 } 324 325 private static native void nAttachFunctor(int renderer, int functor); 326 327 /////////////////////////////////////////////////////////////////////////// 328 // Memory 329 /////////////////////////////////////////////////////////////////////////// 330 331 /** 332 * Must match Caches::FlushMode values 333 * 334 * @see #flushCaches(int) 335 */ 336 static final int FLUSH_CACHES_LAYERS = 0; 337 338 /** 339 * Must match Caches::FlushMode values 340 * 341 * @see #flushCaches(int) 342 */ 343 static final int FLUSH_CACHES_MODERATE = 1; 344 345 /** 346 * Must match Caches::FlushMode values 347 * 348 * @see #flushCaches(int) 349 */ 350 static final int FLUSH_CACHES_FULL = 2; 351 352 /** 353 * Flush caches to reclaim as much memory as possible. The amount of memory 354 * to reclaim is indicate by the level parameter. 355 * 356 * The level can be one of {@link #FLUSH_CACHES_MODERATE} or 357 * {@link #FLUSH_CACHES_FULL}. 358 * 359 * @param level Hint about the amount of memory to reclaim 360 */ 361 static void flushCaches(int level) { 362 nFlushCaches(level); 363 } 364 365 private static native void nFlushCaches(int level); 366 367 /** 368 * Release all resources associated with the underlying caches. This should 369 * only be called after a full flushCaches(). 370 * 371 * @hide 372 */ 373 static void terminateCaches() { 374 nTerminateCaches(); 375 } 376 377 private static native void nTerminateCaches(); 378 379 static boolean initCaches() { 380 return nInitCaches(); 381 } 382 383 private static native boolean nInitCaches(); 384 385 /////////////////////////////////////////////////////////////////////////// 386 // Atlas 387 /////////////////////////////////////////////////////////////////////////// 388 389 static void initAtlas(GraphicBuffer buffer, int[] map) { 390 nInitAtlas(buffer, map, map.length); 391 } 392 393 private static native void nInitAtlas(GraphicBuffer buffer, int[] map, int count); 394 395 /////////////////////////////////////////////////////////////////////////// 396 // Display list 397 /////////////////////////////////////////////////////////////////////////// 398 399 int getDisplayList(int displayList) { 400 return nGetDisplayList(mRenderer, displayList); 401 } 402 403 private static native int nGetDisplayList(int renderer, int displayList); 404 405 @Override 406 void outputDisplayList(DisplayList displayList) { 407 nOutputDisplayList(mRenderer, ((GLES20DisplayList) displayList).getNativeDisplayList()); 408 } 409 410 private static native void nOutputDisplayList(int renderer, int displayList); 411 412 @Override 413 public int drawDisplayList(DisplayList displayList, Rect dirty, int flags) { 414 return nDrawDisplayList(mRenderer, ((GLES20DisplayList) displayList).getNativeDisplayList(), 415 dirty, flags); 416 } 417 418 private static native int nDrawDisplayList(int renderer, int displayList, 419 Rect dirty, int flags); 420 421 /////////////////////////////////////////////////////////////////////////// 422 // Hardware layer 423 /////////////////////////////////////////////////////////////////////////// 424 425 void drawHardwareLayer(HardwareLayer layer, float x, float y, Paint paint) { 426 layer.setLayerPaint(paint); 427 428 final GLES20Layer glLayer = (GLES20Layer) layer; 429 nDrawLayer(mRenderer, glLayer.getLayer(), x, y); 430 } 431 432 private static native void nDrawLayer(int renderer, int layer, float x, float y); 433 434 void interrupt() { 435 nInterrupt(mRenderer); 436 } 437 438 void resume() { 439 nResume(mRenderer); 440 } 441 442 private static native void nInterrupt(int renderer); 443 private static native void nResume(int renderer); 444 445 /////////////////////////////////////////////////////////////////////////// 446 // Clipping 447 /////////////////////////////////////////////////////////////////////////// 448 449 @Override 450 public boolean clipPath(Path path) { 451 return nClipPath(mRenderer, path.mNativePath, Region.Op.INTERSECT.nativeInt); 452 } 453 454 @Override 455 public boolean clipPath(Path path, Region.Op op) { 456 return nClipPath(mRenderer, path.mNativePath, op.nativeInt); 457 } 458 459 private static native boolean nClipPath(int renderer, int path, int op); 460 461 @Override 462 public boolean clipRect(float left, float top, float right, float bottom) { 463 return nClipRect(mRenderer, left, top, right, bottom, Region.Op.INTERSECT.nativeInt); 464 } 465 466 private static native boolean nClipRect(int renderer, float left, float top, 467 float right, float bottom, int op); 468 469 @Override 470 public boolean clipRect(float left, float top, float right, float bottom, Region.Op op) { 471 return nClipRect(mRenderer, left, top, right, bottom, op.nativeInt); 472 } 473 474 @Override 475 public boolean clipRect(int left, int top, int right, int bottom) { 476 return nClipRect(mRenderer, left, top, right, bottom, Region.Op.INTERSECT.nativeInt); 477 } 478 479 private static native boolean nClipRect(int renderer, int left, int top, 480 int right, int bottom, int op); 481 482 @Override 483 public boolean clipRect(Rect rect) { 484 return nClipRect(mRenderer, rect.left, rect.top, rect.right, rect.bottom, 485 Region.Op.INTERSECT.nativeInt); 486 } 487 488 @Override 489 public boolean clipRect(Rect rect, Region.Op op) { 490 return nClipRect(mRenderer, rect.left, rect.top, rect.right, rect.bottom, op.nativeInt); 491 } 492 493 @Override 494 public boolean clipRect(RectF rect) { 495 return nClipRect(mRenderer, rect.left, rect.top, rect.right, rect.bottom, 496 Region.Op.INTERSECT.nativeInt); 497 } 498 499 @Override 500 public boolean clipRect(RectF rect, Region.Op op) { 501 return nClipRect(mRenderer, rect.left, rect.top, rect.right, rect.bottom, op.nativeInt); 502 } 503 504 @Override 505 public boolean clipRegion(Region region) { 506 return nClipRegion(mRenderer, region.mNativeRegion, Region.Op.INTERSECT.nativeInt); 507 } 508 509 @Override 510 public boolean clipRegion(Region region, Region.Op op) { 511 return nClipRegion(mRenderer, region.mNativeRegion, op.nativeInt); 512 } 513 514 private static native boolean nClipRegion(int renderer, int region, int op); 515 516 @Override 517 public boolean getClipBounds(Rect bounds) { 518 return nGetClipBounds(mRenderer, bounds); 519 } 520 521 private static native boolean nGetClipBounds(int renderer, Rect bounds); 522 523 @Override 524 public boolean quickReject(float left, float top, float right, float bottom, EdgeType type) { 525 return nQuickReject(mRenderer, left, top, right, bottom); 526 } 527 528 private static native boolean nQuickReject(int renderer, float left, float top, 529 float right, float bottom); 530 531 @Override 532 public boolean quickReject(Path path, EdgeType type) { 533 path.computeBounds(mPathBounds, true); 534 return nQuickReject(mRenderer, mPathBounds.left, mPathBounds.top, 535 mPathBounds.right, mPathBounds.bottom); 536 } 537 538 @Override 539 public boolean quickReject(RectF rect, EdgeType type) { 540 return nQuickReject(mRenderer, rect.left, rect.top, rect.right, rect.bottom); 541 } 542 543 /////////////////////////////////////////////////////////////////////////// 544 // Transformations 545 /////////////////////////////////////////////////////////////////////////// 546 547 @Override 548 public void translate(float dx, float dy) { 549 if (dx != 0.0f || dy != 0.0f) nTranslate(mRenderer, dx, dy); 550 } 551 552 private static native void nTranslate(int renderer, float dx, float dy); 553 554 @Override 555 public void skew(float sx, float sy) { 556 nSkew(mRenderer, sx, sy); 557 } 558 559 private static native void nSkew(int renderer, float sx, float sy); 560 561 @Override 562 public void rotate(float degrees) { 563 nRotate(mRenderer, degrees); 564 } 565 566 private static native void nRotate(int renderer, float degrees); 567 568 @Override 569 public void scale(float sx, float sy) { 570 nScale(mRenderer, sx, sy); 571 } 572 573 private static native void nScale(int renderer, float sx, float sy); 574 575 @Override 576 public void setMatrix(Matrix matrix) { 577 nSetMatrix(mRenderer, matrix == null ? 0 : matrix.native_instance); 578 } 579 580 private static native void nSetMatrix(int renderer, int matrix); 581 582 @SuppressWarnings("deprecation") 583 @Override 584 public void getMatrix(Matrix matrix) { 585 nGetMatrix(mRenderer, matrix.native_instance); 586 } 587 588 private static native void nGetMatrix(int renderer, int matrix); 589 590 @Override 591 public void concat(Matrix matrix) { 592 nConcatMatrix(mRenderer, matrix.native_instance); 593 } 594 595 private static native void nConcatMatrix(int renderer, int matrix); 596 597 /////////////////////////////////////////////////////////////////////////// 598 // State management 599 /////////////////////////////////////////////////////////////////////////// 600 601 @Override 602 public int save() { 603 return nSave(mRenderer, Canvas.CLIP_SAVE_FLAG | Canvas.MATRIX_SAVE_FLAG); 604 } 605 606 @Override 607 public int save(int saveFlags) { 608 return nSave(mRenderer, saveFlags); 609 } 610 611 private static native int nSave(int renderer, int flags); 612 613 @Override 614 public int saveLayer(RectF bounds, Paint paint, int saveFlags) { 615 if (bounds != null) { 616 return saveLayer(bounds.left, bounds.top, bounds.right, bounds.bottom, paint, saveFlags); 617 } 618 619 int count; 620 int modifier = paint != null ? setupColorFilter(paint) : MODIFIER_NONE; 621 try { 622 final int nativePaint = paint == null ? 0 : paint.mNativePaint; 623 count = nSaveLayer(mRenderer, nativePaint, saveFlags); 624 } finally { 625 if (modifier != MODIFIER_NONE) nResetModifiers(mRenderer, modifier); 626 } 627 return count; 628 } 629 630 private static native int nSaveLayer(int renderer, int paint, int saveFlags); 631 632 @Override 633 public int saveLayer(float left, float top, float right, float bottom, Paint paint, 634 int saveFlags) { 635 if (left < right && top < bottom) { 636 int count; 637 int modifier = paint != null ? setupColorFilter(paint) : MODIFIER_NONE; 638 try { 639 final int nativePaint = paint == null ? 0 : paint.mNativePaint; 640 count = nSaveLayer(mRenderer, left, top, right, bottom, nativePaint, saveFlags); 641 } finally { 642 if (modifier != MODIFIER_NONE) nResetModifiers(mRenderer, modifier); 643 } 644 return count; 645 } 646 return save(saveFlags); 647 } 648 649 private static native int nSaveLayer(int renderer, float left, float top, 650 float right, float bottom, int paint, int saveFlags); 651 652 @Override 653 public int saveLayerAlpha(RectF bounds, int alpha, int saveFlags) { 654 if (bounds != null) { 655 return saveLayerAlpha(bounds.left, bounds.top, bounds.right, bounds.bottom, 656 alpha, saveFlags); 657 } 658 return nSaveLayerAlpha(mRenderer, alpha, saveFlags); 659 } 660 661 private static native int nSaveLayerAlpha(int renderer, int alpha, int saveFlags); 662 663 @Override 664 public int saveLayerAlpha(float left, float top, float right, float bottom, int alpha, 665 int saveFlags) { 666 if (left < right && top < bottom) { 667 return nSaveLayerAlpha(mRenderer, left, top, right, bottom, alpha, saveFlags); 668 } 669 return save(saveFlags); 670 } 671 672 private static native int nSaveLayerAlpha(int renderer, float left, float top, float right, 673 float bottom, int alpha, int saveFlags); 674 675 @Override 676 public void restore() { 677 nRestore(mRenderer); 678 } 679 680 private static native void nRestore(int renderer); 681 682 @Override 683 public void restoreToCount(int saveCount) { 684 nRestoreToCount(mRenderer, saveCount); 685 } 686 687 private static native void nRestoreToCount(int renderer, int saveCount); 688 689 @Override 690 public int getSaveCount() { 691 return nGetSaveCount(mRenderer); 692 } 693 694 private static native int nGetSaveCount(int renderer); 695 696 /////////////////////////////////////////////////////////////////////////// 697 // Filtering 698 /////////////////////////////////////////////////////////////////////////// 699 700 @Override 701 public void setDrawFilter(DrawFilter filter) { 702 mFilter = filter; 703 if (filter == null) { 704 nResetPaintFilter(mRenderer); 705 } else if (filter instanceof PaintFlagsDrawFilter) { 706 PaintFlagsDrawFilter flagsFilter = (PaintFlagsDrawFilter) filter; 707 nSetupPaintFilter(mRenderer, flagsFilter.clearBits, flagsFilter.setBits); 708 } 709 } 710 711 private static native void nResetPaintFilter(int renderer); 712 private static native void nSetupPaintFilter(int renderer, int clearBits, int setBits); 713 714 @Override 715 public DrawFilter getDrawFilter() { 716 return mFilter; 717 } 718 719 /////////////////////////////////////////////////////////////////////////// 720 // Drawing 721 /////////////////////////////////////////////////////////////////////////// 722 723 @Override 724 public void drawArc(RectF oval, float startAngle, float sweepAngle, boolean useCenter, 725 Paint paint) { 726 int modifiers = setupModifiers(paint, MODIFIER_COLOR_FILTER | MODIFIER_SHADER); 727 try { 728 nDrawArc(mRenderer, oval.left, oval.top, oval.right, oval.bottom, 729 startAngle, sweepAngle, useCenter, paint.mNativePaint); 730 } finally { 731 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 732 } 733 } 734 735 private static native void nDrawArc(int renderer, float left, float top, 736 float right, float bottom, float startAngle, float sweepAngle, 737 boolean useCenter, int paint); 738 739 @Override 740 public void drawARGB(int a, int r, int g, int b) { 741 drawColor((a & 0xFF) << 24 | (r & 0xFF) << 16 | (g & 0xFF) << 8 | (b & 0xFF)); 742 } 743 744 @Override 745 public void drawPatch(NinePatch patch, Rect dst, Paint paint) { 746 Bitmap bitmap = patch.getBitmap(); 747 if (bitmap.isRecycled()) throw new IllegalArgumentException("Cannot draw recycled bitmaps"); 748 // Shaders are ignored when drawing patches 749 int modifier = paint != null ? setupColorFilter(paint) : MODIFIER_NONE; 750 try { 751 final int nativePaint = paint == null ? 0 : paint.mNativePaint; 752 nDrawPatch(mRenderer, bitmap.mNativeBitmap, patch.mChunk, 753 dst.left, dst.top, dst.right, dst.bottom, nativePaint); 754 } finally { 755 if (modifier != MODIFIER_NONE) nResetModifiers(mRenderer, modifier); 756 } 757 } 758 759 @Override 760 public void drawPatch(NinePatch patch, RectF dst, Paint paint) { 761 Bitmap bitmap = patch.getBitmap(); 762 if (bitmap.isRecycled()) throw new IllegalArgumentException("Cannot draw recycled bitmaps"); 763 // Shaders are ignored when drawing patches 764 int modifier = paint != null ? setupColorFilter(paint) : MODIFIER_NONE; 765 try { 766 final int nativePaint = paint == null ? 0 : paint.mNativePaint; 767 nDrawPatch(mRenderer, bitmap.mNativeBitmap, patch.mChunk, 768 dst.left, dst.top, dst.right, dst.bottom, nativePaint); 769 } finally { 770 if (modifier != MODIFIER_NONE) nResetModifiers(mRenderer, modifier); 771 } 772 } 773 774 private static native void nDrawPatch(int renderer, int bitmap, byte[] chunks, 775 float left, float top, float right, float bottom, int paint); 776 777 @Override 778 public void drawBitmap(Bitmap bitmap, float left, float top, Paint paint) { 779 if (bitmap.isRecycled()) throw new IllegalArgumentException("Cannot draw recycled bitmaps"); 780 // Shaders are ignored when drawing bitmaps 781 int modifiers = paint != null ? setupModifiers(bitmap, paint) : MODIFIER_NONE; 782 try { 783 final int nativePaint = paint == null ? 0 : paint.mNativePaint; 784 nDrawBitmap(mRenderer, bitmap.mNativeBitmap, left, top, nativePaint); 785 } finally { 786 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 787 } 788 } 789 790 private static native void nDrawBitmap(int renderer, int bitmap, 791 float left, float top, int paint); 792 793 @Override 794 public void drawBitmap(Bitmap bitmap, Matrix matrix, Paint paint) { 795 if (bitmap.isRecycled()) throw new IllegalArgumentException("Cannot draw recycled bitmaps"); 796 // Shaders are ignored when drawing bitmaps 797 int modifiers = paint != null ? setupModifiers(bitmap, paint) : MODIFIER_NONE; 798 try { 799 final int nativePaint = paint == null ? 0 : paint.mNativePaint; 800 nDrawBitmap(mRenderer, bitmap.mNativeBitmap, matrix.native_instance, nativePaint); 801 } finally { 802 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 803 } 804 } 805 806 private static native void nDrawBitmap(int renderer, int bitmap, int matrix, int paint); 807 808 @Override 809 public void drawBitmap(Bitmap bitmap, Rect src, Rect dst, Paint paint) { 810 if (bitmap.isRecycled()) throw new IllegalArgumentException("Cannot draw recycled bitmaps"); 811 // Shaders are ignored when drawing bitmaps 812 int modifiers = paint != null ? setupModifiers(bitmap, paint) : MODIFIER_NONE; 813 try { 814 final int nativePaint = paint == null ? 0 : paint.mNativePaint; 815 816 int left, top, right, bottom; 817 if (src == null) { 818 left = top = 0; 819 right = bitmap.getWidth(); 820 bottom = bitmap.getHeight(); 821 } else { 822 left = src.left; 823 right = src.right; 824 top = src.top; 825 bottom = src.bottom; 826 } 827 828 nDrawBitmap(mRenderer, bitmap.mNativeBitmap, left, top, right, bottom, 829 dst.left, dst.top, dst.right, dst.bottom, nativePaint); 830 } finally { 831 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 832 } 833 } 834 835 @Override 836 public void drawBitmap(Bitmap bitmap, Rect src, RectF dst, Paint paint) { 837 if (bitmap.isRecycled()) throw new IllegalArgumentException("Cannot draw recycled bitmaps"); 838 // Shaders are ignored when drawing bitmaps 839 int modifiers = paint != null ? setupModifiers(bitmap, paint) : MODIFIER_NONE; 840 try { 841 final int nativePaint = paint == null ? 0 : paint.mNativePaint; 842 843 float left, top, right, bottom; 844 if (src == null) { 845 left = top = 0; 846 right = bitmap.getWidth(); 847 bottom = bitmap.getHeight(); 848 } else { 849 left = src.left; 850 right = src.right; 851 top = src.top; 852 bottom = src.bottom; 853 } 854 855 nDrawBitmap(mRenderer, bitmap.mNativeBitmap, left, top, right, bottom, 856 dst.left, dst.top, dst.right, dst.bottom, nativePaint); 857 } finally { 858 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 859 } 860 } 861 862 private static native void nDrawBitmap(int renderer, int bitmap, 863 float srcLeft, float srcTop, float srcRight, float srcBottom, 864 float left, float top, float right, float bottom, int paint); 865 866 @Override 867 public void drawBitmap(int[] colors, int offset, int stride, float x, float y, 868 int width, int height, boolean hasAlpha, Paint paint) { 869 if (width < 0) { 870 throw new IllegalArgumentException("width must be >= 0"); 871 } 872 873 if (height < 0) { 874 throw new IllegalArgumentException("height must be >= 0"); 875 } 876 877 if (Math.abs(stride) < width) { 878 throw new IllegalArgumentException("abs(stride) must be >= width"); 879 } 880 881 int lastScanline = offset + (height - 1) * stride; 882 int length = colors.length; 883 884 if (offset < 0 || (offset + width > length) || lastScanline < 0 || 885 (lastScanline + width > length)) { 886 throw new ArrayIndexOutOfBoundsException(); 887 } 888 889 // Shaders are ignored when drawing bitmaps 890 int modifier = paint != null ? setupColorFilter(paint) : MODIFIER_NONE; 891 try { 892 final int nativePaint = paint == null ? 0 : paint.mNativePaint; 893 nDrawBitmap(mRenderer, colors, offset, stride, x, y, 894 width, height, hasAlpha, nativePaint); 895 } finally { 896 if (modifier != MODIFIER_NONE) nResetModifiers(mRenderer, modifier); 897 } 898 } 899 900 private static native void nDrawBitmap(int renderer, int[] colors, int offset, int stride, 901 float x, float y, int width, int height, boolean hasAlpha, int nativePaint); 902 903 @Override 904 public void drawBitmap(int[] colors, int offset, int stride, int x, int y, 905 int width, int height, boolean hasAlpha, Paint paint) { 906 // Shaders are ignored when drawing bitmaps 907 drawBitmap(colors, offset, stride, (float) x, (float) y, width, height, hasAlpha, paint); 908 } 909 910 @Override 911 public void drawBitmapMesh(Bitmap bitmap, int meshWidth, int meshHeight, float[] verts, 912 int vertOffset, int[] colors, int colorOffset, Paint paint) { 913 if (bitmap.isRecycled()) throw new IllegalArgumentException("Cannot draw recycled bitmaps"); 914 if (meshWidth < 0 || meshHeight < 0 || vertOffset < 0 || colorOffset < 0) { 915 throw new ArrayIndexOutOfBoundsException(); 916 } 917 918 if (meshWidth == 0 || meshHeight == 0) { 919 return; 920 } 921 922 final int count = (meshWidth + 1) * (meshHeight + 1); 923 checkRange(verts.length, vertOffset, count * 2); 924 925 if (colors != null) { 926 checkRange(colors.length, colorOffset, count); 927 } 928 929 int modifiers = paint != null ? setupModifiers(bitmap, paint) : MODIFIER_NONE; 930 try { 931 final int nativePaint = paint == null ? 0 : paint.mNativePaint; 932 nDrawBitmapMesh(mRenderer, bitmap.mNativeBitmap, meshWidth, meshHeight, 933 verts, vertOffset, colors, colorOffset, nativePaint); 934 } finally { 935 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 936 } 937 } 938 939 private static native void nDrawBitmapMesh(int renderer, int bitmap, 940 int meshWidth, int meshHeight, float[] verts, int vertOffset, 941 int[] colors, int colorOffset, int paint); 942 943 @Override 944 public void drawCircle(float cx, float cy, float radius, Paint paint) { 945 int modifiers = setupModifiers(paint, MODIFIER_COLOR_FILTER | MODIFIER_SHADER); 946 try { 947 nDrawCircle(mRenderer, cx, cy, radius, paint.mNativePaint); 948 } finally { 949 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 950 } 951 } 952 953 private static native void nDrawCircle(int renderer, float cx, float cy, 954 float radius, int paint); 955 956 @Override 957 public void drawColor(int color) { 958 drawColor(color, PorterDuff.Mode.SRC_OVER); 959 } 960 961 @Override 962 public void drawColor(int color, PorterDuff.Mode mode) { 963 nDrawColor(mRenderer, color, mode.nativeInt); 964 } 965 966 private static native void nDrawColor(int renderer, int color, int mode); 967 968 @Override 969 public void drawLine(float startX, float startY, float stopX, float stopY, Paint paint) { 970 mLine[0] = startX; 971 mLine[1] = startY; 972 mLine[2] = stopX; 973 mLine[3] = stopY; 974 drawLines(mLine, 0, 4, paint); 975 } 976 977 @Override 978 public void drawLines(float[] pts, int offset, int count, Paint paint) { 979 if (count < 4) return; 980 981 if ((offset | count) < 0 || offset + count > pts.length) { 982 throw new IllegalArgumentException("The lines array must contain 4 elements per line."); 983 } 984 int modifiers = setupModifiers(paint, MODIFIER_COLOR_FILTER | MODIFIER_SHADER); 985 try { 986 nDrawLines(mRenderer, pts, offset, count, paint.mNativePaint); 987 } finally { 988 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 989 } 990 } 991 992 private static native void nDrawLines(int renderer, float[] points, 993 int offset, int count, int paint); 994 995 @Override 996 public void drawLines(float[] pts, Paint paint) { 997 drawLines(pts, 0, pts.length, paint); 998 } 999 1000 @Override 1001 public void drawOval(RectF oval, Paint paint) { 1002 int modifiers = setupModifiers(paint, MODIFIER_COLOR_FILTER | MODIFIER_SHADER); 1003 try { 1004 nDrawOval(mRenderer, oval.left, oval.top, oval.right, oval.bottom, paint.mNativePaint); 1005 } finally { 1006 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1007 } 1008 } 1009 1010 private static native void nDrawOval(int renderer, float left, float top, 1011 float right, float bottom, int paint); 1012 1013 @Override 1014 public void drawPaint(Paint paint) { 1015 final Rect r = mClipBounds; 1016 nGetClipBounds(mRenderer, r); 1017 drawRect(r.left, r.top, r.right, r.bottom, paint); 1018 } 1019 1020 @Override 1021 public void drawPath(Path path, Paint paint) { 1022 int modifiers = setupModifiers(paint, MODIFIER_COLOR_FILTER | MODIFIER_SHADER); 1023 try { 1024 if (path.isSimplePath) { 1025 if (path.rects != null) { 1026 nDrawRects(mRenderer, path.rects.mNativeRegion, paint.mNativePaint); 1027 } 1028 } else { 1029 nDrawPath(mRenderer, path.mNativePath, paint.mNativePaint); 1030 } 1031 } finally { 1032 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1033 } 1034 } 1035 1036 private static native void nDrawPath(int renderer, int path, int paint); 1037 private static native void nDrawRects(int renderer, int region, int paint); 1038 1039 void drawRects(float[] rects, int count, Paint paint) { 1040 int modifiers = setupModifiers(paint, MODIFIER_COLOR_FILTER | MODIFIER_SHADER); 1041 try { 1042 nDrawRects(mRenderer, rects, count, paint.mNativePaint); 1043 } finally { 1044 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1045 } 1046 } 1047 1048 private static native void nDrawRects(int renderer, float[] rects, int count, int paint); 1049 1050 @Override 1051 public void drawPicture(Picture picture) { 1052 if (picture.createdFromStream) { 1053 return; 1054 } 1055 1056 picture.endRecording(); 1057 // TODO: Implement rendering 1058 } 1059 1060 @Override 1061 public void drawPicture(Picture picture, Rect dst) { 1062 if (picture.createdFromStream) { 1063 return; 1064 } 1065 1066 save(); 1067 translate(dst.left, dst.top); 1068 if (picture.getWidth() > 0 && picture.getHeight() > 0) { 1069 scale(dst.width() / picture.getWidth(), dst.height() / picture.getHeight()); 1070 } 1071 drawPicture(picture); 1072 restore(); 1073 } 1074 1075 @Override 1076 public void drawPicture(Picture picture, RectF dst) { 1077 if (picture.createdFromStream) { 1078 return; 1079 } 1080 1081 save(); 1082 translate(dst.left, dst.top); 1083 if (picture.getWidth() > 0 && picture.getHeight() > 0) { 1084 scale(dst.width() / picture.getWidth(), dst.height() / picture.getHeight()); 1085 } 1086 drawPicture(picture); 1087 restore(); 1088 } 1089 1090 @Override 1091 public void drawPoint(float x, float y, Paint paint) { 1092 mPoint[0] = x; 1093 mPoint[1] = y; 1094 drawPoints(mPoint, 0, 2, paint); 1095 } 1096 1097 @Override 1098 public void drawPoints(float[] pts, Paint paint) { 1099 drawPoints(pts, 0, pts.length, paint); 1100 } 1101 1102 @Override 1103 public void drawPoints(float[] pts, int offset, int count, Paint paint) { 1104 if (count < 2) return; 1105 1106 int modifiers = setupModifiers(paint, MODIFIER_COLOR_FILTER | MODIFIER_SHADER); 1107 try { 1108 nDrawPoints(mRenderer, pts, offset, count, paint.mNativePaint); 1109 } finally { 1110 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1111 } 1112 } 1113 1114 private static native void nDrawPoints(int renderer, float[] points, 1115 int offset, int count, int paint); 1116 1117 @SuppressWarnings("deprecation") 1118 @Override 1119 public void drawPosText(char[] text, int index, int count, float[] pos, Paint paint) { 1120 if (index < 0 || index + count > text.length || count * 2 > pos.length) { 1121 throw new IndexOutOfBoundsException(); 1122 } 1123 1124 int modifiers = setupModifiers(paint); 1125 try { 1126 nDrawPosText(mRenderer, text, index, count, pos, paint.mNativePaint); 1127 } finally { 1128 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1129 } 1130 } 1131 1132 private static native void nDrawPosText(int renderer, char[] text, int index, int count, 1133 float[] pos, int paint); 1134 1135 @SuppressWarnings("deprecation") 1136 @Override 1137 public void drawPosText(String text, float[] pos, Paint paint) { 1138 if (text.length() * 2 > pos.length) { 1139 throw new ArrayIndexOutOfBoundsException(); 1140 } 1141 1142 int modifiers = setupModifiers(paint); 1143 try { 1144 nDrawPosText(mRenderer, text, 0, text.length(), pos, paint.mNativePaint); 1145 } finally { 1146 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1147 } 1148 } 1149 1150 private static native void nDrawPosText(int renderer, String text, int start, int end, 1151 float[] pos, int paint); 1152 1153 @Override 1154 public void drawRect(float left, float top, float right, float bottom, Paint paint) { 1155 if (left == right || top == bottom) return; 1156 int modifiers = setupModifiers(paint, MODIFIER_COLOR_FILTER | MODIFIER_SHADER); 1157 try { 1158 nDrawRect(mRenderer, left, top, right, bottom, paint.mNativePaint); 1159 } finally { 1160 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1161 } 1162 } 1163 1164 private static native void nDrawRect(int renderer, float left, float top, 1165 float right, float bottom, int paint); 1166 1167 @Override 1168 public void drawRect(Rect r, Paint paint) { 1169 drawRect(r.left, r.top, r.right, r.bottom, paint); 1170 } 1171 1172 @Override 1173 public void drawRect(RectF r, Paint paint) { 1174 drawRect(r.left, r.top, r.right, r.bottom, paint); 1175 } 1176 1177 @Override 1178 public void drawRGB(int r, int g, int b) { 1179 drawColor(0xFF000000 | (r & 0xFF) << 16 | (g & 0xFF) << 8 | (b & 0xFF)); 1180 } 1181 1182 @Override 1183 public void drawRoundRect(RectF rect, float rx, float ry, Paint paint) { 1184 int modifiers = setupModifiers(paint, MODIFIER_COLOR_FILTER | MODIFIER_SHADER); 1185 try { 1186 nDrawRoundRect(mRenderer, rect.left, rect.top, rect.right, rect.bottom, 1187 rx, ry, paint.mNativePaint); 1188 } finally { 1189 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1190 } 1191 } 1192 1193 private static native void nDrawRoundRect(int renderer, float left, float top, 1194 float right, float bottom, float rx, float y, int paint); 1195 1196 @Override 1197 public void drawText(char[] text, int index, int count, float x, float y, Paint paint) { 1198 if ((index | count | (index + count) | (text.length - index - count)) < 0) { 1199 throw new IndexOutOfBoundsException(); 1200 } 1201 1202 int modifiers = setupModifiers(paint); 1203 try { 1204 nDrawText(mRenderer, text, index, count, x, y, paint.mBidiFlags, paint.mNativePaint); 1205 } finally { 1206 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1207 } 1208 } 1209 1210 private static native void nDrawText(int renderer, char[] text, int index, int count, 1211 float x, float y, int bidiFlags, int paint); 1212 1213 @Override 1214 public void drawText(CharSequence text, int start, int end, float x, float y, Paint paint) { 1215 int modifiers = setupModifiers(paint); 1216 try { 1217 if (text instanceof String || text instanceof SpannedString || 1218 text instanceof SpannableString) { 1219 nDrawText(mRenderer, text.toString(), start, end, x, y, paint.mBidiFlags, 1220 paint.mNativePaint); 1221 } else if (text instanceof GraphicsOperations) { 1222 ((GraphicsOperations) text).drawText(this, start, end, x, y, 1223 paint); 1224 } else { 1225 char[] buf = TemporaryBuffer.obtain(end - start); 1226 TextUtils.getChars(text, start, end, buf, 0); 1227 nDrawText(mRenderer, buf, 0, end - start, x, y, 1228 paint.mBidiFlags, paint.mNativePaint); 1229 TemporaryBuffer.recycle(buf); 1230 } 1231 } finally { 1232 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1233 } 1234 } 1235 1236 @Override 1237 public void drawText(String text, int start, int end, float x, float y, Paint paint) { 1238 if ((start | end | (end - start) | (text.length() - end)) < 0) { 1239 throw new IndexOutOfBoundsException(); 1240 } 1241 1242 int modifiers = setupModifiers(paint); 1243 try { 1244 nDrawText(mRenderer, text, start, end, x, y, paint.mBidiFlags, paint.mNativePaint); 1245 } finally { 1246 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1247 } 1248 } 1249 1250 private static native void nDrawText(int renderer, String text, int start, int end, 1251 float x, float y, int bidiFlags, int paint); 1252 1253 @Override 1254 public void drawText(String text, float x, float y, Paint paint) { 1255 int modifiers = setupModifiers(paint); 1256 try { 1257 nDrawText(mRenderer, text, 0, text.length(), x, y, paint.mBidiFlags, 1258 paint.mNativePaint); 1259 } finally { 1260 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1261 } 1262 } 1263 1264 @Override 1265 public void drawTextOnPath(char[] text, int index, int count, Path path, float hOffset, 1266 float vOffset, Paint paint) { 1267 if (index < 0 || index + count > text.length) { 1268 throw new ArrayIndexOutOfBoundsException(); 1269 } 1270 1271 int modifiers = setupModifiers(paint); 1272 try { 1273 nDrawTextOnPath(mRenderer, text, index, count, path.mNativePath, hOffset, vOffset, 1274 paint.mBidiFlags, paint.mNativePaint); 1275 } finally { 1276 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1277 } 1278 } 1279 1280 private static native void nDrawTextOnPath(int renderer, char[] text, int index, int count, 1281 int path, float hOffset, float vOffset, int bidiFlags, int nativePaint); 1282 1283 @Override 1284 public void drawTextOnPath(String text, Path path, float hOffset, float vOffset, Paint paint) { 1285 if (text.length() == 0) return; 1286 1287 int modifiers = setupModifiers(paint); 1288 try { 1289 nDrawTextOnPath(mRenderer, text, 0, text.length(), path.mNativePath, hOffset, vOffset, 1290 paint.mBidiFlags, paint.mNativePaint); 1291 } finally { 1292 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1293 } 1294 } 1295 1296 private static native void nDrawTextOnPath(int renderer, String text, int start, int end, 1297 int path, float hOffset, float vOffset, int bidiFlags, int nativePaint); 1298 1299 @Override 1300 public void drawTextRun(char[] text, int index, int count, int contextIndex, int contextCount, 1301 float x, float y, int dir, Paint paint) { 1302 if ((index | count | text.length - index - count) < 0) { 1303 throw new IndexOutOfBoundsException(); 1304 } 1305 if (dir != DIRECTION_LTR && dir != DIRECTION_RTL) { 1306 throw new IllegalArgumentException("Unknown direction: " + dir); 1307 } 1308 1309 int modifiers = setupModifiers(paint); 1310 try { 1311 nDrawTextRun(mRenderer, text, index, count, contextIndex, contextCount, x, y, dir, 1312 paint.mNativePaint); 1313 } finally { 1314 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1315 } 1316 } 1317 1318 private static native void nDrawTextRun(int renderer, char[] text, int index, int count, 1319 int contextIndex, int contextCount, float x, float y, int dir, int nativePaint); 1320 1321 @Override 1322 public void drawTextRun(CharSequence text, int start, int end, int contextStart, int contextEnd, 1323 float x, float y, int dir, Paint paint) { 1324 if ((start | end | end - start | text.length() - end) < 0) { 1325 throw new IndexOutOfBoundsException(); 1326 } 1327 1328 int modifiers = setupModifiers(paint); 1329 try { 1330 int flags = dir == 0 ? 0 : 1; 1331 if (text instanceof String || text instanceof SpannedString || 1332 text instanceof SpannableString) { 1333 nDrawTextRun(mRenderer, text.toString(), start, end, contextStart, 1334 contextEnd, x, y, flags, paint.mNativePaint); 1335 } else if (text instanceof GraphicsOperations) { 1336 ((GraphicsOperations) text).drawTextRun(this, start, end, 1337 contextStart, contextEnd, x, y, flags, paint); 1338 } else { 1339 int contextLen = contextEnd - contextStart; 1340 int len = end - start; 1341 char[] buf = TemporaryBuffer.obtain(contextLen); 1342 TextUtils.getChars(text, contextStart, contextEnd, buf, 0); 1343 nDrawTextRun(mRenderer, buf, start - contextStart, len, 0, contextLen, 1344 x, y, flags, paint.mNativePaint); 1345 TemporaryBuffer.recycle(buf); 1346 } 1347 } finally { 1348 if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); 1349 } 1350 } 1351 1352 private static native void nDrawTextRun(int renderer, String text, int start, int end, 1353 int contextStart, int contextEnd, float x, float y, int flags, int nativePaint); 1354 1355 @Override 1356 public void drawVertices(VertexMode mode, int vertexCount, float[] verts, int vertOffset, 1357 float[] texs, int texOffset, int[] colors, int colorOffset, short[] indices, 1358 int indexOffset, int indexCount, Paint paint) { 1359 // TODO: Implement 1360 } 1361 1362 private int setupModifiers(Bitmap b, Paint paint) { 1363 if (b.getConfig() != Bitmap.Config.ALPHA_8) { 1364 final ColorFilter filter = paint.getColorFilter(); 1365 if (filter != null) { 1366 nSetupColorFilter(mRenderer, filter.nativeColorFilter); 1367 return MODIFIER_COLOR_FILTER; 1368 } 1369 1370 return MODIFIER_NONE; 1371 } else { 1372 return setupModifiers(paint); 1373 } 1374 } 1375 1376 private int setupModifiers(Paint paint) { 1377 int modifiers = MODIFIER_NONE; 1378 1379 if (paint.hasShadow) { 1380 nSetupShadow(mRenderer, paint.shadowRadius, paint.shadowDx, paint.shadowDy, 1381 paint.shadowColor); 1382 modifiers |= MODIFIER_SHADOW; 1383 } 1384 1385 final Shader shader = paint.getShader(); 1386 if (shader != null) { 1387 nSetupShader(mRenderer, shader.native_shader); 1388 modifiers |= MODIFIER_SHADER; 1389 } 1390 1391 final ColorFilter filter = paint.getColorFilter(); 1392 if (filter != null) { 1393 nSetupColorFilter(mRenderer, filter.nativeColorFilter); 1394 modifiers |= MODIFIER_COLOR_FILTER; 1395 } 1396 1397 return modifiers; 1398 } 1399 1400 private int setupModifiers(Paint paint, int flags) { 1401 int modifiers = MODIFIER_NONE; 1402 1403 if (paint.hasShadow && (flags & MODIFIER_SHADOW) != 0) { 1404 nSetupShadow(mRenderer, paint.shadowRadius, paint.shadowDx, paint.shadowDy, 1405 paint.shadowColor); 1406 modifiers |= MODIFIER_SHADOW; 1407 } 1408 1409 final Shader shader = paint.getShader(); 1410 if (shader != null && (flags & MODIFIER_SHADER) != 0) { 1411 nSetupShader(mRenderer, shader.native_shader); 1412 modifiers |= MODIFIER_SHADER; 1413 } 1414 1415 final ColorFilter filter = paint.getColorFilter(); 1416 if (filter != null && (flags & MODIFIER_COLOR_FILTER) != 0) { 1417 nSetupColorFilter(mRenderer, filter.nativeColorFilter); 1418 modifiers |= MODIFIER_COLOR_FILTER; 1419 } 1420 1421 return modifiers; 1422 } 1423 1424 private int setupColorFilter(Paint paint) { 1425 final ColorFilter filter = paint.getColorFilter(); 1426 if (filter != null) { 1427 nSetupColorFilter(mRenderer, filter.nativeColorFilter); 1428 return MODIFIER_COLOR_FILTER; 1429 } 1430 return MODIFIER_NONE; 1431 } 1432 1433 private static native void nSetupShader(int renderer, int shader); 1434 private static native void nSetupColorFilter(int renderer, int colorFilter); 1435 private static native void nSetupShadow(int renderer, float radius, 1436 float dx, float dy, int color); 1437 1438 private static native void nResetModifiers(int renderer, int modifiers); 1439} 1440