VectorDrawable.java revision 9c13ed366f205d94b2f3f4ddc96b55b1b9faadba
1/* 2 * Copyright (C) 2014 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except 5 * in compliance with the License. You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software distributed under the License 10 * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express 11 * or implied. See the License for the specific language governing permissions and limitations under 12 * the License. 13 */ 14 15package android.graphics.drawable; 16 17import android.content.res.ColorStateList; 18import android.content.res.Resources; 19import android.content.res.Resources.Theme; 20import android.content.res.TypedArray; 21import android.graphics.Bitmap; 22import android.graphics.Canvas; 23import android.graphics.Color; 24import android.graphics.ColorFilter; 25import android.graphics.Matrix; 26import android.graphics.Paint; 27import android.graphics.Path; 28import android.graphics.PathMeasure; 29import android.graphics.PixelFormat; 30import android.graphics.PorterDuffColorFilter; 31import android.graphics.Rect; 32import android.graphics.Region; 33import android.graphics.PorterDuff.Mode; 34import android.util.ArrayMap; 35import android.util.AttributeSet; 36import android.util.LayoutDirection; 37import android.util.Log; 38import android.util.PathParser; 39import android.util.Xml; 40 41import com.android.internal.R; 42 43import org.xmlpull.v1.XmlPullParser; 44import org.xmlpull.v1.XmlPullParserException; 45 46import java.io.IOException; 47import java.util.ArrayList; 48import java.util.Stack; 49 50/** 51 * This lets you create a drawable based on an XML vector graphic. It can be 52 * defined in an XML file with the <code><vector></code> element. 53 * <p/> 54 * The vector drawable has the following elements: 55 * <p/> 56 * <dt><code><vector></code></dt> 57 * <dl> 58 * <dd>Used to defined a vector drawable 59 * <dl> 60 * <dt><code>android:width</code></dt> 61 * <dd>Used to defined the intrinsic width of the drawable. 62 * This support all the dimension units, normally specified with dp.</dd> 63 * <dt><code>android:height</code></dt> 64 * <dd>Used to defined the intrinsic height the drawable. 65 * This support all the dimension units, normally specified with dp.</dd> 66 * <dt><code>android:viewportWidth</code></dt> 67 * <dd>Used to defined the width of the viewport space. Viewport is basically 68 * the virtual canvas where the paths are drawn on.</dd> 69 * <dt><code>android:viewportHeight</code></dt> 70 * <dd>Used to defined the height of the viewport space. Viewport is basically 71 * the virtual canvas where the paths are drawn on.</dd> 72 * <dt><code>android:tint</code></dt> 73 * <dd>The color to apply to the drawable as a tint. By default, no tint is applied.</dd> 74 * <dt><code>android:tintMode</code></dt> 75 * <dd>The Porter-Duff blending mode for the tint color. The default value is src_in.</dd> 76 * <dt><code>android:autoMirrored</code></dt> 77 * <dd>Indicates if the drawable needs to be mirrored when its layout direction is 78 * RTL (right-to-left).</dd> 79 * </dl></dd> 80 * </dl> 81 * 82 * <dl> 83 * <dt><code><group></code></dt> 84 * <dd>Defines a group of paths or subgroups, plus transformation information. 85 * The transformations are defined in the same coordinates as the viewport. 86 * And the transformations are applied in the order of scale, rotate then translate. 87 * <dl> 88 * <dt><code>android:rotation</code></dt> 89 * <dd>The degrees of rotation of the group.</dd> 90 * <dt><code>android:pivotX</code></dt> 91 * <dd>The X coordinate of the pivot for the scale and rotation of the group. 92 * This is defined in the viewport space.</dd> 93 * <dt><code>android:pivotY</code></dt> 94 * <dd>The Y coordinate of the pivot for the scale and rotation of the group. 95 * This is defined in the viewport space.</dd> 96 * <dt><code>android:scaleX</code></dt> 97 * <dd>The amount of scale on the X Coordinate.</dd> 98 * <dt><code>android:scaleY</code></dt> 99 * <dd>The amount of scale on the Y coordinate.</dd> 100 * <dt><code>android:translateX</code></dt> 101 * <dd>The amount of translation on the X coordinate. 102 * This is defined in the viewport space.</dd> 103 * <dt><code>android:translateY</code></dt> 104 * <dd>The amount of translation on the Y coordinate. 105 * This is defined in the viewport space.</dd> 106 * </dl></dd> 107 * </dl> 108 * 109 * <dl> 110 * <dt><code><path></code></dt> 111 * <dd>Defines paths to be drawn. 112 * <dl> 113 * <dt><code>android:name</code></dt> 114 * <dd>Defines the name of the path.</dd> 115 * <dt><code>android:pathData</code></dt> 116 * <dd>Defines path string. This is using exactly same format as "d" attribute 117 * in the SVG's path data. This is defined in the viewport space.</dd> 118 * <dt><code>android:fillColor</code></dt> 119 * <dd>Defines the color to fill the path (none if not present).</dd> 120 * <dt><code>android:strokeColor</code></dt> 121 * <dd>Defines the color to draw the path outline (none if not present).</dd> 122 * <dt><code>android:strokeWidth</code></dt> 123 * <dd>The width a path stroke.</dd> 124 * <dt><code>android:strokeAlpha</code></dt> 125 * <dd>The opacity of a path stroke.</dd> 126 * <dt><code>android:fillAlpha</code></dt> 127 * <dd>The opacity to fill the path with.</dd> 128 * <dt><code>android:trimPathStart</code></dt> 129 * <dd>The fraction of the path to trim from the start, in the range from 0 to 1.</dd> 130 * <dt><code>android:trimPathEnd</code></dt> 131 * <dd>The fraction of the path to trim from the end, in the range from 0 to 1.</dd> 132 * <dt><code>android:trimPathOffset</code></dt> 133 * <dd>Shift trim region (allows showed region to include the start and end), in the range 134 * from 0 to 1.</dd> 135 * <dt><code>android:strokeLineCap</code></dt> 136 * <dd>Sets the linecap for a stroked path: butt, round, square.</dd> 137 * <dt><code>android:strokeLineJoin</code></dt> 138 * <dd>Sets the lineJoin for a stroked path: miter,round,bevel.</dd> 139 * <dt><code>android:strokeMiterLimit</code></dt> 140 * <dd>Sets the Miter limit for a stroked path.</dd> 141 * </dl></dd> 142 * </dl> 143 * 144 * <dl> 145 * <dt><code><clip-path></code></dt> 146 * <dd>Defines path to be the current clip. 147 * <dl> 148 * <dt><code>android:name</code></dt> 149 * <dd>Defines the name of the clip path.</dd> 150 * <dt><code>android:pathData</code></dt> 151 * <dd>Defines clip path string. This is using exactly same format as "d" attribute 152 * in the SVG's path data.</dd> 153 * </dl></dd> 154 * </dl> 155 * <li>Here is a simple VectorDrawable in this vectordrawable.xml file. 156 * <pre> 157 * <vector xmlns:android="http://schemas.android.com/apk/res/android" 158 * android:height="64dp" 159 * android:width="64dp" 160 * android:viewportHeight="600" 161 * android:viewportWidth="600" > 162 * <group 163 * android:name="rotationGroup" 164 * android:pivotX="300.0" 165 * android:pivotY="300.0" 166 * android:rotation="45.0" > 167 * <path 168 * android:name="v" 169 * android:fillColor="#000000" 170 * android:pathData="M300,70 l 0,-70 70,70 0,0 -70,70z" /> 171 * </group> 172 * </vector> 173 * </pre></li> 174 */ 175 176public class VectorDrawable extends Drawable { 177 private static final String LOGTAG = VectorDrawable.class.getSimpleName(); 178 179 private static final String SHAPE_CLIP_PATH = "clip-path"; 180 private static final String SHAPE_GROUP = "group"; 181 private static final String SHAPE_PATH = "path"; 182 private static final String SHAPE_VECTOR = "vector"; 183 184 private static final int LINECAP_BUTT = 0; 185 private static final int LINECAP_ROUND = 1; 186 private static final int LINECAP_SQUARE = 2; 187 188 private static final int LINEJOIN_MITER = 0; 189 private static final int LINEJOIN_ROUND = 1; 190 private static final int LINEJOIN_BEVEL = 2; 191 192 private static final boolean DBG_VECTOR_DRAWABLE = false; 193 194 private VectorDrawableState mVectorState; 195 196 private PorterDuffColorFilter mTintFilter; 197 private ColorFilter mColorFilter; 198 199 private boolean mMutated; 200 201 // AnimatedVectorDrawable needs to turn off the cache all the time, otherwise, 202 // caching the bitmap by default is allowed. 203 private boolean mAllowCaching = true; 204 205 public VectorDrawable() { 206 mVectorState = new VectorDrawableState(); 207 } 208 209 private VectorDrawable(VectorDrawableState state, Resources res, Theme theme) { 210 if (theme != null && state.canApplyTheme()) { 211 // If we need to apply a theme, implicitly mutate. 212 mVectorState = new VectorDrawableState(state); 213 applyTheme(theme); 214 } else { 215 mVectorState = state; 216 } 217 218 mTintFilter = updateTintFilter(mTintFilter, state.mTint, state.mTintMode); 219 } 220 221 @Override 222 public Drawable mutate() { 223 if (!mMutated && super.mutate() == this) { 224 mVectorState = new VectorDrawableState(mVectorState); 225 mMutated = true; 226 } 227 return this; 228 } 229 230 Object getTargetByName(String name) { 231 return mVectorState.mVPathRenderer.mVGTargetsMap.get(name); 232 } 233 234 @Override 235 public ConstantState getConstantState() { 236 mVectorState.mChangingConfigurations = getChangingConfigurations(); 237 return mVectorState; 238 } 239 240 @Override 241 public void draw(Canvas canvas) { 242 final Rect bounds = getBounds(); 243 if (bounds.width() == 0 || bounds.height() == 0) { 244 // too small to draw 245 return; 246 } 247 248 final int saveCount = canvas.save(); 249 final boolean needMirroring = needMirroring(); 250 251 canvas.translate(bounds.left, bounds.top); 252 if (needMirroring) { 253 canvas.translate(bounds.width(), 0); 254 canvas.scale(-1.0f, 1.0f); 255 } 256 257 // Color filters always override tint filters. 258 final ColorFilter colorFilter = mColorFilter == null ? mTintFilter : mColorFilter; 259 260 if (!mAllowCaching) { 261 // AnimatedVectorDrawable 262 if (!mVectorState.hasTranslucentRoot()) { 263 mVectorState.mVPathRenderer.draw( 264 canvas, bounds.width(), bounds.height(), colorFilter); 265 } else { 266 mVectorState.createCachedBitmapIfNeeded(bounds); 267 mVectorState.updateCachedBitmap(bounds); 268 mVectorState.drawCachedBitmapWithRootAlpha(canvas, colorFilter); 269 } 270 } else { 271 // Static Vector Drawable case. 272 mVectorState.createCachedBitmapIfNeeded(bounds); 273 if (!mVectorState.canReuseCache()) { 274 mVectorState.updateCachedBitmap(bounds); 275 mVectorState.updateCacheStates(); 276 } 277 mVectorState.drawCachedBitmapWithRootAlpha(canvas, colorFilter); 278 } 279 280 canvas.restoreToCount(saveCount); 281 } 282 283 @Override 284 public int getAlpha() { 285 return mVectorState.mVPathRenderer.getRootAlpha(); 286 } 287 288 @Override 289 public void setAlpha(int alpha) { 290 if (mVectorState.mVPathRenderer.getRootAlpha() != alpha) { 291 mVectorState.mVPathRenderer.setRootAlpha(alpha); 292 invalidateSelf(); 293 } 294 } 295 296 @Override 297 public void setColorFilter(ColorFilter colorFilter) { 298 mColorFilter = colorFilter; 299 invalidateSelf(); 300 } 301 302 @Override 303 public void setTintList(ColorStateList tint) { 304 final VectorDrawableState state = mVectorState; 305 if (state.mTint != tint) { 306 state.mTint = tint; 307 mTintFilter = updateTintFilter(mTintFilter, tint, state.mTintMode); 308 invalidateSelf(); 309 } 310 } 311 312 @Override 313 public void setTintMode(Mode tintMode) { 314 final VectorDrawableState state = mVectorState; 315 if (state.mTintMode != tintMode) { 316 state.mTintMode = tintMode; 317 mTintFilter = updateTintFilter(mTintFilter, state.mTint, tintMode); 318 invalidateSelf(); 319 } 320 } 321 322 @Override 323 public boolean isStateful() { 324 return super.isStateful() || (mVectorState != null && mVectorState.mTint != null 325 && mVectorState.mTint.isStateful()); 326 } 327 328 @Override 329 protected boolean onStateChange(int[] stateSet) { 330 final VectorDrawableState state = mVectorState; 331 if (state.mTint != null && state.mTintMode != null) { 332 mTintFilter = updateTintFilter(mTintFilter, state.mTint, state.mTintMode); 333 invalidateSelf(); 334 return true; 335 } 336 return false; 337 } 338 339 @Override 340 public int getOpacity() { 341 return PixelFormat.TRANSLUCENT; 342 } 343 344 @Override 345 public int getIntrinsicWidth() { 346 return (int) mVectorState.mVPathRenderer.mBaseWidth; 347 } 348 349 @Override 350 public int getIntrinsicHeight() { 351 return (int) mVectorState.mVPathRenderer.mBaseHeight; 352 } 353 354 @Override 355 public boolean canApplyTheme() { 356 return super.canApplyTheme() || mVectorState != null && mVectorState.canApplyTheme(); 357 } 358 359 @Override 360 public void applyTheme(Theme t) { 361 super.applyTheme(t); 362 363 final VectorDrawableState state = mVectorState; 364 if (state != null && state.mThemeAttrs != null) { 365 final TypedArray a = t.resolveAttributes(state.mThemeAttrs, R.styleable.VectorDrawable); 366 try { 367 state.mCacheDirty = true; 368 updateStateFromTypedArray(a); 369 } catch (XmlPullParserException e) { 370 throw new RuntimeException(e); 371 } finally { 372 a.recycle(); 373 } 374 375 mTintFilter = updateTintFilter(mTintFilter, state.mTint, state.mTintMode); 376 } 377 378 final VPathRenderer path = state.mVPathRenderer; 379 if (path != null && path.canApplyTheme()) { 380 path.applyTheme(t); 381 } 382 } 383 384 /** 385 * The size of a pixel when scaled from the intrinsic dimension to the viewport dimension. 386 * This is used to calculate the path animation accuracy. 387 * 388 * @hide 389 */ 390 public float getPixelSize() { 391 if (mVectorState == null && mVectorState.mVPathRenderer == null || 392 mVectorState.mVPathRenderer.mBaseWidth == 0 || 393 mVectorState.mVPathRenderer.mBaseHeight == 0 || 394 mVectorState.mVPathRenderer.mViewportHeight == 0 || 395 mVectorState.mVPathRenderer.mViewportWidth == 0) { 396 return 1; // fall back to 1:1 pixel mapping. 397 } 398 float intrinsicWidth = mVectorState.mVPathRenderer.mBaseWidth; 399 float intrinsicHeight = mVectorState.mVPathRenderer.mBaseHeight; 400 float viewportWidth = mVectorState.mVPathRenderer.mViewportWidth; 401 float viewportHeight = mVectorState.mVPathRenderer.mViewportHeight; 402 float scaleX = viewportWidth / intrinsicWidth; 403 float scaleY = viewportHeight / intrinsicHeight; 404 return Math.min(scaleX, scaleY); 405 } 406 407 /** @hide */ 408 public static VectorDrawable create(Resources resources, int rid) { 409 try { 410 final XmlPullParser parser = resources.getXml(rid); 411 final AttributeSet attrs = Xml.asAttributeSet(parser); 412 int type; 413 while ((type=parser.next()) != XmlPullParser.START_TAG && 414 type != XmlPullParser.END_DOCUMENT) { 415 // Empty loop 416 } 417 if (type != XmlPullParser.START_TAG) { 418 throw new XmlPullParserException("No start tag found"); 419 } 420 421 final VectorDrawable drawable = new VectorDrawable(); 422 drawable.inflate(resources, parser, attrs); 423 424 return drawable; 425 } catch (XmlPullParserException e) { 426 Log.e(LOGTAG, "parser error", e); 427 } catch (IOException e) { 428 Log.e(LOGTAG, "parser error", e); 429 } 430 return null; 431 } 432 433 private static int applyAlpha(int color, float alpha) { 434 int alphaBytes = Color.alpha(color); 435 color &= 0x00FFFFFF; 436 color |= ((int) (alphaBytes * alpha)) << 24; 437 return color; 438 } 439 440 @Override 441 public void inflate(Resources res, XmlPullParser parser, AttributeSet attrs, Theme theme) 442 throws XmlPullParserException, IOException { 443 final VectorDrawableState state = mVectorState; 444 final VPathRenderer pathRenderer = new VPathRenderer(); 445 state.mVPathRenderer = pathRenderer; 446 447 final TypedArray a = obtainAttributes(res, theme, attrs, R.styleable.VectorDrawable); 448 updateStateFromTypedArray(a); 449 a.recycle(); 450 451 state.mCacheDirty = true; 452 inflateInternal(res, parser, attrs, theme); 453 454 mTintFilter = updateTintFilter(mTintFilter, state.mTint, state.mTintMode); 455 } 456 457 private void updateStateFromTypedArray(TypedArray a) throws XmlPullParserException { 458 final VectorDrawableState state = mVectorState; 459 final VPathRenderer pathRenderer = state.mVPathRenderer; 460 461 // Account for any configuration changes. 462 state.mChangingConfigurations |= a.getChangingConfigurations(); 463 464 // Extract the theme attributes, if any. 465 state.mThemeAttrs = a.extractThemeAttrs(); 466 467 final int tintMode = a.getInt(R.styleable.VectorDrawable_tintMode, -1); 468 if (tintMode != -1) { 469 state.mTintMode = Drawable.parseTintMode(tintMode, Mode.SRC_IN); 470 } 471 472 final ColorStateList tint = a.getColorStateList(R.styleable.VectorDrawable_tint); 473 if (tint != null) { 474 state.mTint = tint; 475 } 476 477 state.mAutoMirrored = a.getBoolean( 478 R.styleable.VectorDrawable_autoMirrored, state.mAutoMirrored); 479 480 pathRenderer.mViewportWidth = a.getFloat( 481 R.styleable.VectorDrawable_viewportWidth, pathRenderer.mViewportWidth); 482 pathRenderer.mViewportHeight = a.getFloat( 483 R.styleable.VectorDrawable_viewportHeight, pathRenderer.mViewportHeight); 484 485 if (pathRenderer.mViewportWidth <= 0) { 486 throw new XmlPullParserException(a.getPositionDescription() + 487 "<vector> tag requires viewportWidth > 0"); 488 } else if (pathRenderer.mViewportHeight <= 0) { 489 throw new XmlPullParserException(a.getPositionDescription() + 490 "<vector> tag requires viewportHeight > 0"); 491 } 492 493 pathRenderer.mBaseWidth = a.getDimension( 494 R.styleable.VectorDrawable_width, pathRenderer.mBaseWidth); 495 pathRenderer.mBaseHeight = a.getDimension( 496 R.styleable.VectorDrawable_height, pathRenderer.mBaseHeight); 497 498 if (pathRenderer.mBaseWidth <= 0) { 499 throw new XmlPullParserException(a.getPositionDescription() + 500 "<vector> tag requires width > 0"); 501 } else if (pathRenderer.mBaseHeight <= 0) { 502 throw new XmlPullParserException(a.getPositionDescription() + 503 "<vector> tag requires height > 0"); 504 } 505 506 final float alphaInFloat = a.getFloat(R.styleable.VectorDrawable_alpha, 507 pathRenderer.getAlpha()); 508 pathRenderer.setAlpha(alphaInFloat); 509 510 pathRenderer.mRootName = a.getString(R.styleable.VectorDrawable_name); 511 if (pathRenderer.mRootName != null) { 512 pathRenderer.mVGTargetsMap.put(pathRenderer.mRootName, pathRenderer); 513 } 514 } 515 516 private void inflateInternal(Resources res, XmlPullParser parser, AttributeSet attrs, 517 Theme theme) throws XmlPullParserException, IOException { 518 final VectorDrawableState state = mVectorState; 519 final VPathRenderer pathRenderer = state.mVPathRenderer; 520 boolean noPathTag = true; 521 522 // Use a stack to help to build the group tree. 523 // The top of the stack is always the current group. 524 final Stack<VGroup> groupStack = new Stack<VGroup>(); 525 groupStack.push(pathRenderer.mRootGroup); 526 527 int eventType = parser.getEventType(); 528 while (eventType != XmlPullParser.END_DOCUMENT) { 529 if (eventType == XmlPullParser.START_TAG) { 530 final String tagName = parser.getName(); 531 final VGroup currentGroup = groupStack.peek(); 532 533 if (SHAPE_PATH.equals(tagName)) { 534 final VFullPath path = new VFullPath(); 535 path.inflate(res, attrs, theme); 536 currentGroup.mChildren.add(path); 537 if (path.getPathName() != null) { 538 pathRenderer.mVGTargetsMap.put(path.getPathName(), path); 539 } 540 noPathTag = false; 541 state.mChangingConfigurations |= path.mChangingConfigurations; 542 } else if (SHAPE_CLIP_PATH.equals(tagName)) { 543 final VClipPath path = new VClipPath(); 544 path.inflate(res, attrs, theme); 545 currentGroup.mChildren.add(path); 546 if (path.getPathName() != null) { 547 pathRenderer.mVGTargetsMap.put(path.getPathName(), path); 548 } 549 state.mChangingConfigurations |= path.mChangingConfigurations; 550 } else if (SHAPE_GROUP.equals(tagName)) { 551 VGroup newChildGroup = new VGroup(); 552 newChildGroup.inflate(res, attrs, theme); 553 currentGroup.mChildren.add(newChildGroup); 554 groupStack.push(newChildGroup); 555 if (newChildGroup.getGroupName() != null) { 556 pathRenderer.mVGTargetsMap.put(newChildGroup.getGroupName(), 557 newChildGroup); 558 } 559 state.mChangingConfigurations |= newChildGroup.mChangingConfigurations; 560 } 561 } else if (eventType == XmlPullParser.END_TAG) { 562 final String tagName = parser.getName(); 563 if (SHAPE_GROUP.equals(tagName)) { 564 groupStack.pop(); 565 } 566 } 567 eventType = parser.next(); 568 } 569 570 // Print the tree out for debug. 571 if (DBG_VECTOR_DRAWABLE) { 572 printGroupTree(pathRenderer.mRootGroup, 0); 573 } 574 575 if (noPathTag) { 576 final StringBuffer tag = new StringBuffer(); 577 578 if (tag.length() > 0) { 579 tag.append(" or "); 580 } 581 tag.append(SHAPE_PATH); 582 583 throw new XmlPullParserException("no " + tag + " defined"); 584 } 585 } 586 587 private void printGroupTree(VGroup currentGroup, int level) { 588 String indent = ""; 589 for (int i = 0; i < level; i++) { 590 indent += " "; 591 } 592 // Print the current node 593 Log.v(LOGTAG, indent + "current group is :" + currentGroup.getGroupName() 594 + " rotation is " + currentGroup.mRotate); 595 Log.v(LOGTAG, indent + "matrix is :" + currentGroup.getLocalMatrix().toString()); 596 // Then print all the children groups 597 for (int i = 0; i < currentGroup.mChildren.size(); i++) { 598 Object child = currentGroup.mChildren.get(i); 599 if (child instanceof VGroup) { 600 printGroupTree((VGroup) child, level + 1); 601 } 602 } 603 } 604 605 @Override 606 public int getChangingConfigurations() { 607 return super.getChangingConfigurations() | mVectorState.mChangingConfigurations; 608 } 609 610 void setAllowCaching(boolean allowCaching) { 611 mAllowCaching = allowCaching; 612 } 613 614 private boolean needMirroring() { 615 return isAutoMirrored() && getLayoutDirection() == LayoutDirection.RTL; 616 } 617 618 @Override 619 public void setAutoMirrored(boolean mirrored) { 620 if (mVectorState.mAutoMirrored != mirrored) { 621 mVectorState.mAutoMirrored = mirrored; 622 invalidateSelf(); 623 } 624 } 625 626 @Override 627 public boolean isAutoMirrored() { 628 return mVectorState.mAutoMirrored; 629 } 630 631 private static class VectorDrawableState extends ConstantState { 632 int[] mThemeAttrs; 633 int mChangingConfigurations; 634 VPathRenderer mVPathRenderer; 635 ColorStateList mTint = null; 636 Mode mTintMode = DEFAULT_TINT_MODE; 637 boolean mAutoMirrored; 638 639 Bitmap mCachedBitmap; 640 int[] mCachedThemeAttrs; 641 ColorStateList mCachedTint; 642 Mode mCachedTintMode; 643 int mCachedRootAlpha; 644 boolean mCachedAutoMirrored; 645 boolean mCacheDirty; 646 647 /** Temporary paint object used to draw cached bitmaps. */ 648 Paint mTempPaint; 649 650 // Deep copy for mutate() or implicitly mutate. 651 public VectorDrawableState(VectorDrawableState copy) { 652 if (copy != null) { 653 mThemeAttrs = copy.mThemeAttrs; 654 mChangingConfigurations = copy.mChangingConfigurations; 655 mVPathRenderer = new VPathRenderer(copy.mVPathRenderer); 656 if (copy.mVPathRenderer.mFillPaint != null) { 657 mVPathRenderer.mFillPaint = new Paint(copy.mVPathRenderer.mFillPaint); 658 } 659 if (copy.mVPathRenderer.mStrokePaint != null) { 660 mVPathRenderer.mStrokePaint = new Paint(copy.mVPathRenderer.mStrokePaint); 661 } 662 mTint = copy.mTint; 663 mTintMode = copy.mTintMode; 664 mAutoMirrored = copy.mAutoMirrored; 665 } 666 } 667 668 public void drawCachedBitmapWithRootAlpha(Canvas canvas, ColorFilter filter) { 669 // The bitmap's size is the same as the bounds. 670 final Paint p = getPaint(filter); 671 canvas.drawBitmap(mCachedBitmap, 0, 0, p); 672 } 673 674 public boolean hasTranslucentRoot() { 675 return mVPathRenderer.getRootAlpha() < 255; 676 } 677 678 /** 679 * @return null when there is no need for alpha paint. 680 */ 681 public Paint getPaint(ColorFilter filter) { 682 if (!hasTranslucentRoot() && filter == null) { 683 return null; 684 } 685 686 if (mTempPaint == null) { 687 mTempPaint = new Paint(); 688 } 689 mTempPaint.setAlpha(mVPathRenderer.getRootAlpha()); 690 mTempPaint.setColorFilter(filter); 691 return mTempPaint; 692 } 693 694 public void updateCachedBitmap(Rect bounds) { 695 mCachedBitmap.eraseColor(Color.TRANSPARENT); 696 Canvas tmpCanvas = new Canvas(mCachedBitmap); 697 mVPathRenderer.draw(tmpCanvas, bounds.width(), bounds.height(), null); 698 } 699 700 public void createCachedBitmapIfNeeded(Rect bounds) { 701 if (mCachedBitmap == null || !canReuseBitmap(bounds.width(), 702 bounds.height())) { 703 mCachedBitmap = Bitmap.createBitmap(bounds.width(), bounds.height(), 704 Bitmap.Config.ARGB_8888); 705 mCacheDirty = true; 706 } 707 708 } 709 710 public boolean canReuseBitmap(int width, int height) { 711 if (width == mCachedBitmap.getWidth() 712 && height == mCachedBitmap.getHeight()) { 713 return true; 714 } 715 return false; 716 } 717 718 public boolean canReuseCache() { 719 if (!mCacheDirty 720 && mCachedThemeAttrs == mThemeAttrs 721 && mCachedTint == mTint 722 && mCachedTintMode == mTintMode 723 && mCachedAutoMirrored == mAutoMirrored 724 && mCachedRootAlpha == mVPathRenderer.getRootAlpha()) { 725 return true; 726 } 727 return false; 728 } 729 730 public void updateCacheStates() { 731 // Use shallow copy here and shallow comparison in canReuseCache(), 732 // likely hit cache miss more, but practically not much difference. 733 mCachedThemeAttrs = mThemeAttrs; 734 mCachedTint = mTint; 735 mCachedTintMode = mTintMode; 736 mCachedRootAlpha = mVPathRenderer.getRootAlpha(); 737 mCachedAutoMirrored = mAutoMirrored; 738 mCacheDirty = false; 739 } 740 741 @Override 742 public boolean canApplyTheme() { 743 return super.canApplyTheme() || mThemeAttrs != null 744 || (mVPathRenderer != null && mVPathRenderer.canApplyTheme()); 745 } 746 747 public VectorDrawableState() { 748 mVPathRenderer = new VPathRenderer(); 749 } 750 751 @Override 752 public Drawable newDrawable() { 753 return new VectorDrawable(this, null, null); 754 } 755 756 @Override 757 public Drawable newDrawable(Resources res) { 758 return new VectorDrawable(this, res, null); 759 } 760 761 @Override 762 public Drawable newDrawable(Resources res, Theme theme) { 763 return new VectorDrawable(this, res, theme); 764 } 765 766 @Override 767 public int getChangingConfigurations() { 768 return mChangingConfigurations; 769 } 770 } 771 772 private static class VPathRenderer { 773 /* Right now the internal data structure is organized as a tree. 774 * Each node can be a group node, or a path. 775 * A group node can have groups or paths as children, but a path node has 776 * no children. 777 * One example can be: 778 * Root Group 779 * / | \ 780 * Group Path Group 781 * / \ | 782 * Path Path Path 783 * 784 */ 785 // Variables that only used temporarily inside the draw() call, so there 786 // is no need for deep copying. 787 private final Path mPath; 788 private final Path mRenderPath; 789 private static final Matrix IDENTITY_MATRIX = new Matrix(); 790 private final Matrix mFinalPathMatrix = new Matrix(); 791 792 private Paint mStrokePaint; 793 private Paint mFillPaint; 794 private PathMeasure mPathMeasure; 795 796 ///////////////////////////////////////////////////// 797 // Variables below need to be copied (deep copy if applicable) for mutation. 798 private int mChangingConfigurations; 799 private final VGroup mRootGroup; 800 float mBaseWidth = 0; 801 float mBaseHeight = 0; 802 float mViewportWidth = 0; 803 float mViewportHeight = 0; 804 int mRootAlpha = 0xFF; 805 String mRootName = null; 806 807 final ArrayMap<String, Object> mVGTargetsMap = new ArrayMap<String, Object>(); 808 809 public VPathRenderer() { 810 mRootGroup = new VGroup(); 811 mPath = new Path(); 812 mRenderPath = new Path(); 813 } 814 815 public void setRootAlpha(int alpha) { 816 mRootAlpha = alpha; 817 } 818 819 public int getRootAlpha() { 820 return mRootAlpha; 821 } 822 823 // setAlpha() and getAlpha() are used mostly for animation purpose, since 824 // Animator like to use alpha from 0 to 1. 825 public void setAlpha(float alpha) { 826 setRootAlpha((int) (alpha * 255)); 827 } 828 829 @SuppressWarnings("unused") 830 public float getAlpha() { 831 return getRootAlpha() / 255.0f; 832 } 833 834 public VPathRenderer(VPathRenderer copy) { 835 mRootGroup = new VGroup(copy.mRootGroup, mVGTargetsMap); 836 mPath = new Path(copy.mPath); 837 mRenderPath = new Path(copy.mRenderPath); 838 mBaseWidth = copy.mBaseWidth; 839 mBaseHeight = copy.mBaseHeight; 840 mViewportWidth = copy.mViewportWidth; 841 mViewportHeight = copy.mViewportHeight; 842 mChangingConfigurations = copy.mChangingConfigurations; 843 mRootAlpha = copy.mRootAlpha; 844 mRootName = copy.mRootName; 845 if (copy.mRootName != null) { 846 mVGTargetsMap.put(copy.mRootName, this); 847 } 848 } 849 850 public boolean canApplyTheme() { 851 // If one of the paths can apply theme, then return true; 852 return recursiveCanApplyTheme(mRootGroup); 853 } 854 855 private boolean recursiveCanApplyTheme(VGroup currentGroup) { 856 // We can do a tree traverse here, if there is one path return true, 857 // then we return true for the whole tree. 858 final ArrayList<Object> children = currentGroup.mChildren; 859 860 for (int i = 0; i < children.size(); i++) { 861 Object child = children.get(i); 862 if (child instanceof VGroup) { 863 VGroup childGroup = (VGroup) child; 864 if (childGroup.canApplyTheme() 865 || recursiveCanApplyTheme(childGroup)) { 866 return true; 867 } 868 } else if (child instanceof VPath) { 869 VPath childPath = (VPath) child; 870 if (childPath.canApplyTheme()) { 871 return true; 872 } 873 } 874 } 875 return false; 876 } 877 878 public void applyTheme(Theme t) { 879 // Apply theme to every path of the tree. 880 recursiveApplyTheme(mRootGroup, t); 881 } 882 883 private void recursiveApplyTheme(VGroup currentGroup, Theme t) { 884 // We can do a tree traverse here, apply theme to all paths which 885 // can apply theme. 886 final ArrayList<Object> children = currentGroup.mChildren; 887 for (int i = 0; i < children.size(); i++) { 888 Object child = children.get(i); 889 if (child instanceof VGroup) { 890 VGroup childGroup = (VGroup) child; 891 if (childGroup.canApplyTheme()) { 892 childGroup.applyTheme(t); 893 } 894 recursiveApplyTheme(childGroup, t); 895 } else if (child instanceof VPath) { 896 VPath childPath = (VPath) child; 897 if (childPath.canApplyTheme()) { 898 childPath.applyTheme(t); 899 } 900 } 901 } 902 } 903 904 private void drawGroupTree(VGroup currentGroup, Matrix currentMatrix, 905 Canvas canvas, int w, int h, ColorFilter filter) { 906 // Calculate current group's matrix by preConcat the parent's and 907 // and the current one on the top of the stack. 908 // Basically the Mfinal = Mviewport * M0 * M1 * M2; 909 // Mi the local matrix at level i of the group tree. 910 currentGroup.mStackedMatrix.set(currentMatrix); 911 912 currentGroup.mStackedMatrix.preConcat(currentGroup.mLocalMatrix); 913 914 // Draw the group tree in the same order as the XML file. 915 for (int i = 0; i < currentGroup.mChildren.size(); i++) { 916 Object child = currentGroup.mChildren.get(i); 917 if (child instanceof VGroup) { 918 VGroup childGroup = (VGroup) child; 919 drawGroupTree(childGroup, currentGroup.mStackedMatrix, 920 canvas, w, h, filter); 921 } else if (child instanceof VPath) { 922 VPath childPath = (VPath) child; 923 drawPath(currentGroup, childPath, canvas, w, h, filter); 924 } 925 } 926 } 927 928 public void draw(Canvas canvas, int w, int h, ColorFilter filter) { 929 // Travese the tree in pre-order to draw. 930 drawGroupTree(mRootGroup, IDENTITY_MATRIX, canvas, w, h, filter); 931 } 932 933 private void drawPath(VGroup vGroup, VPath vPath, Canvas canvas, int w, int h, 934 ColorFilter filter) { 935 final float scaleX = w / mViewportWidth; 936 final float scaleY = h / mViewportHeight; 937 final float minScale = Math.min(scaleX, scaleY); 938 939 mFinalPathMatrix.set(vGroup.mStackedMatrix); 940 mFinalPathMatrix.postScale(scaleX, scaleY); 941 942 vPath.toPath(mPath); 943 final Path path = mPath; 944 945 mRenderPath.reset(); 946 947 if (vPath.isClipPath()) { 948 mRenderPath.addPath(path, mFinalPathMatrix); 949 canvas.clipPath(mRenderPath, Region.Op.REPLACE); 950 } else { 951 VFullPath fullPath = (VFullPath) vPath; 952 if (fullPath.mTrimPathStart != 0.0f || fullPath.mTrimPathEnd != 1.0f) { 953 float start = (fullPath.mTrimPathStart + fullPath.mTrimPathOffset) % 1.0f; 954 float end = (fullPath.mTrimPathEnd + fullPath.mTrimPathOffset) % 1.0f; 955 956 if (mPathMeasure == null) { 957 mPathMeasure = new PathMeasure(); 958 } 959 mPathMeasure.setPath(mPath, false); 960 961 float len = mPathMeasure.getLength(); 962 start = start * len; 963 end = end * len; 964 path.reset(); 965 if (start > end) { 966 mPathMeasure.getSegment(start, len, path, true); 967 mPathMeasure.getSegment(0f, end, path, true); 968 } else { 969 mPathMeasure.getSegment(start, end, path, true); 970 } 971 path.rLineTo(0, 0); // fix bug in measure 972 } 973 mRenderPath.addPath(path, mFinalPathMatrix); 974 975 if (fullPath.mFillColor != Color.TRANSPARENT) { 976 if (mFillPaint == null) { 977 mFillPaint = new Paint(); 978 mFillPaint.setStyle(Paint.Style.FILL); 979 mFillPaint.setAntiAlias(true); 980 } 981 982 final Paint fillPaint = mFillPaint; 983 fillPaint.setColor(applyAlpha(fullPath.mFillColor, fullPath.mFillAlpha)); 984 fillPaint.setColorFilter(filter); 985 canvas.drawPath(mRenderPath, fillPaint); 986 } 987 988 if (fullPath.mStrokeColor != Color.TRANSPARENT) { 989 if (mStrokePaint == null) { 990 mStrokePaint = new Paint(); 991 mStrokePaint.setStyle(Paint.Style.STROKE); 992 mStrokePaint.setAntiAlias(true); 993 } 994 995 final Paint strokePaint = mStrokePaint; 996 if (fullPath.mStrokeLineJoin != null) { 997 strokePaint.setStrokeJoin(fullPath.mStrokeLineJoin); 998 } 999 1000 if (fullPath.mStrokeLineCap != null) { 1001 strokePaint.setStrokeCap(fullPath.mStrokeLineCap); 1002 } 1003 1004 strokePaint.setStrokeMiter(fullPath.mStrokeMiterlimit); 1005 strokePaint.setColor(applyAlpha(fullPath.mStrokeColor, fullPath.mStrokeAlpha)); 1006 strokePaint.setColorFilter(filter); 1007 strokePaint.setStrokeWidth(fullPath.mStrokeWidth * minScale); 1008 canvas.drawPath(mRenderPath, strokePaint); 1009 } 1010 } 1011 } 1012 } 1013 1014 private static class VGroup { 1015 // mStackedMatrix is only used temporarily when drawing, it combines all 1016 // the parents' local matrices with the current one. 1017 private final Matrix mStackedMatrix = new Matrix(); 1018 1019 ///////////////////////////////////////////////////// 1020 // Variables below need to be copied (deep copy if applicable) for mutation. 1021 final ArrayList<Object> mChildren = new ArrayList<Object>(); 1022 1023 private float mRotate = 0; 1024 private float mPivotX = 0; 1025 private float mPivotY = 0; 1026 private float mScaleX = 1; 1027 private float mScaleY = 1; 1028 private float mTranslateX = 0; 1029 private float mTranslateY = 0; 1030 1031 // mLocalMatrix is updated based on the update of transformation information, 1032 // either parsed from the XML or by animation. 1033 private final Matrix mLocalMatrix = new Matrix(); 1034 private int mChangingConfigurations; 1035 private int[] mThemeAttrs; 1036 private String mGroupName = null; 1037 1038 public VGroup(VGroup copy, ArrayMap<String, Object> targetsMap) { 1039 mRotate = copy.mRotate; 1040 mPivotX = copy.mPivotX; 1041 mPivotY = copy.mPivotY; 1042 mScaleX = copy.mScaleX; 1043 mScaleY = copy.mScaleY; 1044 mTranslateX = copy.mTranslateX; 1045 mTranslateY = copy.mTranslateY; 1046 mThemeAttrs = copy.mThemeAttrs; 1047 mGroupName = copy.mGroupName; 1048 mChangingConfigurations = copy.mChangingConfigurations; 1049 if (mGroupName != null) { 1050 targetsMap.put(mGroupName, this); 1051 } 1052 1053 mLocalMatrix.set(copy.mLocalMatrix); 1054 1055 final ArrayList<Object> children = copy.mChildren; 1056 for (int i = 0; i < children.size(); i++) { 1057 Object copyChild = children.get(i); 1058 if (copyChild instanceof VGroup) { 1059 VGroup copyGroup = (VGroup) copyChild; 1060 mChildren.add(new VGroup(copyGroup, targetsMap)); 1061 } else { 1062 VPath newPath = null; 1063 if (copyChild instanceof VFullPath) { 1064 newPath = new VFullPath((VFullPath) copyChild); 1065 } else if (copyChild instanceof VClipPath) { 1066 newPath = new VClipPath((VClipPath) copyChild); 1067 } else { 1068 throw new IllegalStateException("Unknown object in the tree!"); 1069 } 1070 mChildren.add(newPath); 1071 if (newPath.mPathName != null) { 1072 targetsMap.put(newPath.mPathName, newPath); 1073 } 1074 } 1075 } 1076 } 1077 1078 public VGroup() { 1079 } 1080 1081 public String getGroupName() { 1082 return mGroupName; 1083 } 1084 1085 public Matrix getLocalMatrix() { 1086 return mLocalMatrix; 1087 } 1088 1089 public void inflate(Resources res, AttributeSet attrs, Theme theme) { 1090 final TypedArray a = obtainAttributes(res, theme, attrs, 1091 R.styleable.VectorDrawableGroup); 1092 updateStateFromTypedArray(a); 1093 a.recycle(); 1094 } 1095 1096 private void updateStateFromTypedArray(TypedArray a) { 1097 // Account for any configuration changes. 1098 mChangingConfigurations |= a.getChangingConfigurations(); 1099 1100 // Extract the theme attributes, if any. 1101 mThemeAttrs = a.extractThemeAttrs(); 1102 1103 mRotate = a.getFloat(R.styleable.VectorDrawableGroup_rotation, mRotate); 1104 mPivotX = a.getFloat(R.styleable.VectorDrawableGroup_pivotX, mPivotX); 1105 mPivotY = a.getFloat(R.styleable.VectorDrawableGroup_pivotY, mPivotY); 1106 mScaleX = a.getFloat(R.styleable.VectorDrawableGroup_scaleX, mScaleX); 1107 mScaleY = a.getFloat(R.styleable.VectorDrawableGroup_scaleY, mScaleY); 1108 mTranslateX = a.getFloat(R.styleable.VectorDrawableGroup_translateX, mTranslateX); 1109 mTranslateY = a.getFloat(R.styleable.VectorDrawableGroup_translateY, mTranslateY); 1110 1111 final String groupName = a.getString(R.styleable.VectorDrawableGroup_name); 1112 if (groupName != null) { 1113 mGroupName = groupName; 1114 } 1115 1116 updateLocalMatrix(); 1117 } 1118 1119 public boolean canApplyTheme() { 1120 return mThemeAttrs != null; 1121 } 1122 1123 public void applyTheme(Theme t) { 1124 if (mThemeAttrs == null) { 1125 return; 1126 } 1127 1128 final TypedArray a = t.resolveAttributes(mThemeAttrs, R.styleable.VectorDrawableGroup); 1129 updateStateFromTypedArray(a); 1130 a.recycle(); 1131 } 1132 1133 private void updateLocalMatrix() { 1134 // The order we apply is the same as the 1135 // RenderNode.cpp::applyViewPropertyTransforms(). 1136 mLocalMatrix.reset(); 1137 mLocalMatrix.postTranslate(-mPivotX, -mPivotY); 1138 mLocalMatrix.postScale(mScaleX, mScaleY); 1139 mLocalMatrix.postRotate(mRotate, 0, 0); 1140 mLocalMatrix.postTranslate(mTranslateX + mPivotX, mTranslateY + mPivotY); 1141 } 1142 1143 /* Setters and Getters, used by animator from AnimatedVectorDrawable. */ 1144 @SuppressWarnings("unused") 1145 public float getRotation() { 1146 return mRotate; 1147 } 1148 1149 @SuppressWarnings("unused") 1150 public void setRotation(float rotation) { 1151 if (rotation != mRotate) { 1152 mRotate = rotation; 1153 updateLocalMatrix(); 1154 } 1155 } 1156 1157 @SuppressWarnings("unused") 1158 public float getPivotX() { 1159 return mPivotX; 1160 } 1161 1162 @SuppressWarnings("unused") 1163 public void setPivotX(float pivotX) { 1164 if (pivotX != mPivotX) { 1165 mPivotX = pivotX; 1166 updateLocalMatrix(); 1167 } 1168 } 1169 1170 @SuppressWarnings("unused") 1171 public float getPivotY() { 1172 return mPivotY; 1173 } 1174 1175 @SuppressWarnings("unused") 1176 public void setPivotY(float pivotY) { 1177 if (pivotY != mPivotY) { 1178 mPivotY = pivotY; 1179 updateLocalMatrix(); 1180 } 1181 } 1182 1183 @SuppressWarnings("unused") 1184 public float getScaleX() { 1185 return mScaleX; 1186 } 1187 1188 @SuppressWarnings("unused") 1189 public void setScaleX(float scaleX) { 1190 if (scaleX != mScaleX) { 1191 mScaleX = scaleX; 1192 updateLocalMatrix(); 1193 } 1194 } 1195 1196 @SuppressWarnings("unused") 1197 public float getScaleY() { 1198 return mScaleY; 1199 } 1200 1201 @SuppressWarnings("unused") 1202 public void setScaleY(float scaleY) { 1203 if (scaleY != mScaleY) { 1204 mScaleY = scaleY; 1205 updateLocalMatrix(); 1206 } 1207 } 1208 1209 @SuppressWarnings("unused") 1210 public float getTranslateX() { 1211 return mTranslateX; 1212 } 1213 1214 @SuppressWarnings("unused") 1215 public void setTranslateX(float translateX) { 1216 if (translateX != mTranslateX) { 1217 mTranslateX = translateX; 1218 updateLocalMatrix(); 1219 } 1220 } 1221 1222 @SuppressWarnings("unused") 1223 public float getTranslateY() { 1224 return mTranslateY; 1225 } 1226 1227 @SuppressWarnings("unused") 1228 public void setTranslateY(float translateY) { 1229 if (translateY != mTranslateY) { 1230 mTranslateY = translateY; 1231 updateLocalMatrix(); 1232 } 1233 } 1234 } 1235 1236 /** 1237 * Common Path information for clip path and normal path. 1238 */ 1239 private static class VPath { 1240 protected PathParser.PathDataNode[] mNodes = null; 1241 String mPathName; 1242 int mChangingConfigurations; 1243 1244 public VPath() { 1245 // Empty constructor. 1246 } 1247 1248 public VPath(VPath copy) { 1249 mPathName = copy.mPathName; 1250 mChangingConfigurations = copy.mChangingConfigurations; 1251 mNodes = PathParser.deepCopyNodes(copy.mNodes); 1252 } 1253 1254 public void toPath(Path path) { 1255 path.reset(); 1256 if (mNodes != null) { 1257 PathParser.PathDataNode.nodesToPath(mNodes, path); 1258 } 1259 } 1260 1261 public String getPathName() { 1262 return mPathName; 1263 } 1264 1265 public boolean canApplyTheme() { 1266 return false; 1267 } 1268 1269 public void applyTheme(Theme t) { 1270 } 1271 1272 public boolean isClipPath() { 1273 return false; 1274 } 1275 1276 /* Setters and Getters, used by animator from AnimatedVectorDrawable. */ 1277 @SuppressWarnings("unused") 1278 public PathParser.PathDataNode[] getPathData() { 1279 return mNodes; 1280 } 1281 1282 @SuppressWarnings("unused") 1283 public void setPathData(PathParser.PathDataNode[] nodes) { 1284 if (!PathParser.canMorph(mNodes, nodes)) { 1285 // This should not happen in the middle of animation. 1286 mNodes = PathParser.deepCopyNodes(nodes); 1287 } else { 1288 PathParser.updateNodes(mNodes, nodes); 1289 } 1290 } 1291 } 1292 1293 /** 1294 * Clip path, which only has name and pathData. 1295 */ 1296 private static class VClipPath extends VPath { 1297 public VClipPath() { 1298 // Empty constructor. 1299 } 1300 1301 public VClipPath(VClipPath copy) { 1302 super(copy); 1303 } 1304 1305 public void inflate(Resources r, AttributeSet attrs, Theme theme) { 1306 final TypedArray a = obtainAttributes(r, theme, attrs, 1307 R.styleable.VectorDrawableClipPath); 1308 updateStateFromTypedArray(a); 1309 a.recycle(); 1310 } 1311 1312 private void updateStateFromTypedArray(TypedArray a) { 1313 // Account for any configuration changes. 1314 mChangingConfigurations |= a.getChangingConfigurations(); 1315 1316 mPathName = a.getString(R.styleable.VectorDrawableClipPath_name); 1317 mNodes = PathParser.createNodesFromPathData(a.getString( 1318 R.styleable.VectorDrawableClipPath_pathData)); 1319 } 1320 1321 @Override 1322 public boolean isClipPath() { 1323 return true; 1324 } 1325 } 1326 1327 /** 1328 * Normal path, which contains all the fill / paint information. 1329 */ 1330 private static class VFullPath extends VPath { 1331 ///////////////////////////////////////////////////// 1332 // Variables below need to be copied (deep copy if applicable) for mutation. 1333 private int[] mThemeAttrs; 1334 1335 int mStrokeColor = Color.TRANSPARENT; 1336 float mStrokeWidth = 0; 1337 1338 int mFillColor = Color.TRANSPARENT; 1339 float mStrokeAlpha = 1.0f; 1340 int mFillRule; 1341 float mFillAlpha = 1.0f; 1342 float mTrimPathStart = 0; 1343 float mTrimPathEnd = 1; 1344 float mTrimPathOffset = 0; 1345 1346 Paint.Cap mStrokeLineCap = Paint.Cap.BUTT; 1347 Paint.Join mStrokeLineJoin = Paint.Join.MITER; 1348 float mStrokeMiterlimit = 4; 1349 1350 public VFullPath() { 1351 // Empty constructor. 1352 } 1353 1354 public VFullPath(VFullPath copy) { 1355 super(copy); 1356 mThemeAttrs = copy.mThemeAttrs; 1357 1358 mStrokeColor = copy.mStrokeColor; 1359 mStrokeWidth = copy.mStrokeWidth; 1360 mStrokeAlpha = copy.mStrokeAlpha; 1361 mFillColor = copy.mFillColor; 1362 mFillRule = copy.mFillRule; 1363 mFillAlpha = copy.mFillAlpha; 1364 mTrimPathStart = copy.mTrimPathStart; 1365 mTrimPathEnd = copy.mTrimPathEnd; 1366 mTrimPathOffset = copy.mTrimPathOffset; 1367 1368 mStrokeLineCap = copy.mStrokeLineCap; 1369 mStrokeLineJoin = copy.mStrokeLineJoin; 1370 mStrokeMiterlimit = copy.mStrokeMiterlimit; 1371 } 1372 1373 private Paint.Cap getStrokeLineCap(int id, Paint.Cap defValue) { 1374 switch (id) { 1375 case LINECAP_BUTT: 1376 return Paint.Cap.BUTT; 1377 case LINECAP_ROUND: 1378 return Paint.Cap.ROUND; 1379 case LINECAP_SQUARE: 1380 return Paint.Cap.SQUARE; 1381 default: 1382 return defValue; 1383 } 1384 } 1385 1386 private Paint.Join getStrokeLineJoin(int id, Paint.Join defValue) { 1387 switch (id) { 1388 case LINEJOIN_MITER: 1389 return Paint.Join.MITER; 1390 case LINEJOIN_ROUND: 1391 return Paint.Join.ROUND; 1392 case LINEJOIN_BEVEL: 1393 return Paint.Join.BEVEL; 1394 default: 1395 return defValue; 1396 } 1397 } 1398 1399 @Override 1400 public boolean canApplyTheme() { 1401 return mThemeAttrs != null; 1402 } 1403 1404 public void inflate(Resources r, AttributeSet attrs, Theme theme) { 1405 final TypedArray a = obtainAttributes(r, theme, attrs, 1406 R.styleable.VectorDrawablePath); 1407 updateStateFromTypedArray(a); 1408 a.recycle(); 1409 } 1410 1411 private void updateStateFromTypedArray(TypedArray a) { 1412 // Account for any configuration changes. 1413 mChangingConfigurations |= a.getChangingConfigurations(); 1414 1415 // Extract the theme attributes, if any. 1416 mThemeAttrs = a.extractThemeAttrs(); 1417 1418 mPathName = a.getString(R.styleable.VectorDrawablePath_name); 1419 mNodes = PathParser.createNodesFromPathData(a.getString( 1420 R.styleable.VectorDrawablePath_pathData)); 1421 1422 mFillColor = a.getColor(R.styleable.VectorDrawablePath_fillColor, 1423 mFillColor); 1424 mFillAlpha = a.getFloat(R.styleable.VectorDrawablePath_fillAlpha, 1425 mFillAlpha); 1426 mStrokeLineCap = getStrokeLineCap(a.getInt( 1427 R.styleable.VectorDrawablePath_strokeLineCap, -1), mStrokeLineCap); 1428 mStrokeLineJoin = getStrokeLineJoin(a.getInt( 1429 R.styleable.VectorDrawablePath_strokeLineJoin, -1), mStrokeLineJoin); 1430 mStrokeMiterlimit = a.getFloat( 1431 R.styleable.VectorDrawablePath_strokeMiterLimit, mStrokeMiterlimit); 1432 mStrokeColor = a.getColor(R.styleable.VectorDrawablePath_strokeColor, 1433 mStrokeColor); 1434 mStrokeAlpha = a.getFloat(R.styleable.VectorDrawablePath_strokeAlpha, 1435 mStrokeAlpha); 1436 mStrokeWidth = a.getFloat(R.styleable.VectorDrawablePath_strokeWidth, 1437 mStrokeWidth); 1438 mTrimPathEnd = a.getFloat(R.styleable.VectorDrawablePath_trimPathEnd, 1439 mTrimPathEnd); 1440 mTrimPathOffset = a.getFloat( 1441 R.styleable.VectorDrawablePath_trimPathOffset, mTrimPathOffset); 1442 mTrimPathStart = a.getFloat( 1443 R.styleable.VectorDrawablePath_trimPathStart, mTrimPathStart); 1444 } 1445 1446 @Override 1447 public void applyTheme(Theme t) { 1448 if (mThemeAttrs == null) { 1449 return; 1450 } 1451 1452 final TypedArray a = t.resolveAttributes(mThemeAttrs, R.styleable.VectorDrawablePath); 1453 updateStateFromTypedArray(a); 1454 a.recycle(); 1455 } 1456 1457 /* Setters and Getters, used by animator from AnimatedVectorDrawable. */ 1458 @SuppressWarnings("unused") 1459 int getStroke() { 1460 return mStrokeColor; 1461 } 1462 1463 @SuppressWarnings("unused") 1464 void setStroke(int strokeColor) { 1465 mStrokeColor = strokeColor; 1466 } 1467 1468 @SuppressWarnings("unused") 1469 float getStrokeWidth() { 1470 return mStrokeWidth; 1471 } 1472 1473 @SuppressWarnings("unused") 1474 void setStrokeWidth(float strokeWidth) { 1475 mStrokeWidth = strokeWidth; 1476 } 1477 1478 @SuppressWarnings("unused") 1479 float getstrokeAlpha() { 1480 return mStrokeAlpha; 1481 } 1482 1483 @SuppressWarnings("unused") 1484 void setstrokeAlpha(float strokeAlpha) { 1485 mStrokeAlpha = strokeAlpha; 1486 } 1487 1488 @SuppressWarnings("unused") 1489 int getFill() { 1490 return mFillColor; 1491 } 1492 1493 @SuppressWarnings("unused") 1494 void setFill(int fillColor) { 1495 mFillColor = fillColor; 1496 } 1497 1498 @SuppressWarnings("unused") 1499 float getfillAlpha() { 1500 return mFillAlpha; 1501 } 1502 1503 @SuppressWarnings("unused") 1504 void setfillAlpha(float fillAlpha) { 1505 mFillAlpha = fillAlpha; 1506 } 1507 1508 @SuppressWarnings("unused") 1509 float getTrimPathStart() { 1510 return mTrimPathStart; 1511 } 1512 1513 @SuppressWarnings("unused") 1514 void setTrimPathStart(float trimPathStart) { 1515 mTrimPathStart = trimPathStart; 1516 } 1517 1518 @SuppressWarnings("unused") 1519 float getTrimPathEnd() { 1520 return mTrimPathEnd; 1521 } 1522 1523 @SuppressWarnings("unused") 1524 void setTrimPathEnd(float trimPathEnd) { 1525 mTrimPathEnd = trimPathEnd; 1526 } 1527 1528 @SuppressWarnings("unused") 1529 float getTrimPathOffset() { 1530 return mTrimPathOffset; 1531 } 1532 1533 @SuppressWarnings("unused") 1534 void setTrimPathOffset(float trimPathOffset) { 1535 mTrimPathOffset = trimPathOffset; 1536 } 1537 } 1538} 1539