List of usage examples for android.view View draw
@CallSuper public void draw(Canvas canvas)
From source file:cc.flydev.launcher.Workspace.java
public Bitmap createWidgetBitmap(ItemInfo widgetInfo, View layout) { int[] unScaledSize = mLauncher.getWorkspace().estimateItemSize(widgetInfo.spanX, widgetInfo.spanY, widgetInfo, false);/*from w ww . j a v a 2s . c om*/ int visibility = layout.getVisibility(); layout.setVisibility(VISIBLE); int width = MeasureSpec.makeMeasureSpec(unScaledSize[0], MeasureSpec.EXACTLY); int height = MeasureSpec.makeMeasureSpec(unScaledSize[1], MeasureSpec.EXACTLY); Bitmap b = Bitmap.createBitmap(unScaledSize[0], unScaledSize[1], Bitmap.Config.ARGB_8888); Canvas c = new Canvas(b); layout.measure(width, height); layout.layout(0, 0, unScaledSize[0], unScaledSize[1]); layout.draw(c); c.setBitmap(null); layout.setVisibility(visibility); return b; }
From source file:com.klinker.android.launcher.launcher3.Workspace.java
public Bitmap createWidgetBitmap(ItemInfo widgetInfo, View layout) { int[] unScaledSize = mLauncher.getWorkspace().estimateItemSize(widgetInfo, false); int visibility = layout.getVisibility(); layout.setVisibility(VISIBLE);/*from w ww.ja v a2 s .c om*/ int width = MeasureSpec.makeMeasureSpec(unScaledSize[0], MeasureSpec.EXACTLY); int height = MeasureSpec.makeMeasureSpec(unScaledSize[1], MeasureSpec.EXACTLY); Bitmap b = Bitmap.createBitmap(unScaledSize[0], unScaledSize[1], Bitmap.Config.ARGB_8888); mCanvas.setBitmap(b); layout.measure(width, height); layout.layout(0, 0, unScaledSize[0], unScaledSize[1]); layout.draw(mCanvas); mCanvas.setBitmap(null); layout.setVisibility(visibility); return b; }
From source file:com.aidy.launcher3.ui.workspace.Workspace.java
public Bitmap createWidgetBitmap(ItemInfoBean widgetInfo, View layout) { int[] unScaledSize = mLauncher.getWorkspace().estimateItemSize(widgetInfo.spanX, widgetInfo.spanY, widgetInfo, false);/*from w w w . j a va2 s. c o m*/ int visibility = layout.getVisibility(); layout.setVisibility(VISIBLE); int width = MeasureSpec.makeMeasureSpec(unScaledSize[0], MeasureSpec.EXACTLY); int height = MeasureSpec.makeMeasureSpec(unScaledSize[1], MeasureSpec.EXACTLY); Bitmap b = Bitmap.createBitmap(unScaledSize[0], unScaledSize[1], Bitmap.Config.ARGB_8888); Canvas c = new Canvas(b); layout.measure(width, height); layout.layout(0, 0, unScaledSize[0], unScaledSize[1]); layout.draw(c); c.setBitmap(null); layout.setVisibility(visibility); return b; }
From source file:com.android.launcher3.Workspace.java
/** * Draw the View v into the given Canvas. * * @param v the view to draw//ww w . j av a 2 s. c o m * @param destCanvas the canvas to draw on * @param padding the horizontal and vertical padding to use when drawing */ private static void drawDragView(View v, Canvas destCanvas, int padding) { final Rect clipRect = sTempRect; v.getDrawingRect(clipRect); boolean textVisible = false; destCanvas.save(); if (v instanceof TextView) { Drawable d = ((TextView) v).getCompoundDrawables()[1]; Rect bounds = getDrawableBounds(d); clipRect.set(0, 0, bounds.width() + padding, bounds.height() + padding); destCanvas.translate(padding / 2 - bounds.left, padding / 2 - bounds.top); d.draw(destCanvas); } else { if (v instanceof FolderIcon) { // For FolderIcons the text can bleed into the icon area, and so we need to // hide the text completely (which can't be achieved by clipping). if (((FolderIcon) v).getTextVisible()) { ((FolderIcon) v).setTextVisible(false); textVisible = true; } } destCanvas.translate(-v.getScrollX() + padding / 2, -v.getScrollY() + padding / 2); destCanvas.clipRect(clipRect, Op.REPLACE); v.draw(destCanvas); // Restore text visibility of FolderIcon if necessary if (textVisible) { ((FolderIcon) v).setTextVisible(true); } } destCanvas.restore(); }
From source file:com.wb.launcher3.Page.java
@Override protected void dispatchDraw(Canvas canvas) { int halfScreenSize = getViewportWidth() / 2; // mOverScrollX is equal to getScrollX() when we're within the normal scroll range. // Otherwise it is equal to the scaled overscroll position. int screenCenter = mOverScrollX + halfScreenSize; if (screenCenter != mLastScreenCenter || mForceScreenScrolled) { // set mForceScreenScrolled before calling screenScrolled so that screenScrolled can // set it for the next frame mForceScreenScrolled = false;//from w w w. j av a 2s.c o m screenScrolled(screenCenter); mLastScreenCenter = screenCenter; } // Find out which screens are visible; as an optimization we only call draw on them final int pageCount = getChildCount(); if (pageCount > 0) { //*/Modified by tyd Greg 2014-03-20,for transition effect boolean allowed = true; Workspace workspace = null; if (this instanceof Workspace) { workspace = (Workspace) this; allowed = !workspace.isSmall(); } if (TydtechConfig.TYDTECH_DEBUG_FLAG) { Log.d("Greg", "allowed: " + allowed); } /*/ if(!allowed || !TydtechConfig.TRANSITION_EFFECT_ENABLED){ getVisiblePages(mTempVisiblePagesRange); }else{ getVisiblePagesExt(mTempVisiblePagesRange); } //*/ getVisiblePages(mTempVisiblePagesRange); //*/ final int leftScreen = mTempVisiblePagesRange[0]; final int rightScreen = mTempVisiblePagesRange[1]; if (leftScreen != -1 && rightScreen != -1) { final long drawingTime = getDrawingTime(); // Clip to the bounds canvas.save(); canvas.clipRect(getScrollX(), getScrollY(), getScrollX() + getRight() - getLeft(), getScrollY() + getBottom() - getTop()); // Draw all the children, leaving the drag view for last for (int i = pageCount - 1; i >= 0; i--) { final View v = getPageAt(i); if (v == mDragView) continue; if (mForceDrawAllChildrenNextFrame || (leftScreen <= i && i <= rightScreen && shouldDrawChild(v))) { drawChild(canvas, v, drawingTime); } } // Draw the drag view on top (if there is one) if (mDragView != null) { drawChild(canvas, mDragView, drawingTime); } mForceDrawAllChildrenNextFrame = false; canvas.restore(); } //*/Added by TYD Theobald_Wu on 20130223 [begin] for cycle rolling pages if (TydtechConfig.CYCLE_ROLL_PAGES_ENABLED && allowed) { canvas.save(); int width = 0; final int pageW = getViewportWidth(); View v = null; int scrollOffset = (pageW - getChildWidth(0)) / 2; if (mOverScrollX < 0) { int index = pageCount - 1; v = getPageAt(index); width = getViewportOffsetX() - scrollOffset - v.getWidth(); } else if (mOverScrollX > mMaxScrollX) { v = getPageAt(0); width = getViewportOffsetX() + pageW * pageCount + scrollOffset; } if (TydtechConfig.TYDTECH_DEBUG_FLAG) { Log.d("Greg", "width: " + width); Log.d("Greg", "mOverScrollX: " + mOverScrollX); } if (v != null) { canvas.translate(width, v.getY()); canvas.concat(v.getMatrix()); final int w = v.getWidth(); final int h = v.getHeight(); final int sx = v.getScrollX(); final int sy = v.getScrollY(); Rect rect = new Rect(sx, sy, sx + w, sy + h); ///* zhangwuba mark this, user verison lead to screen flash 2014-5-12 //canvas.saveLayerAlpha(sx, sy, sx + w, sy + h, (int) (v.getAlpha() * 255), // Canvas.HAS_ALPHA_LAYER_SAVE_FLAG | Canvas.CLIP_TO_LAYER_SAVE_FLAG); //*/ v.draw(canvas); } canvas.restore(); } //*/ } }
From source file:com.android.launcher3.Workspace.java
public Bitmap createWidgetBitmap(ItemInfo widgetInfo, View layout) { int[] unScaledSize = mLauncher.getWorkspace().estimateItemSize(widgetInfo.spanX, widgetInfo.spanY, widgetInfo, false);//from w w w. j a v a 2 s.c om int visibility = layout.getVisibility(); layout.setVisibility(VISIBLE); int width = MeasureSpec.makeMeasureSpec(unScaledSize[0], MeasureSpec.EXACTLY); int height = MeasureSpec.makeMeasureSpec(unScaledSize[1], MeasureSpec.EXACTLY); Bitmap b = Bitmap.createBitmap(unScaledSize[0], unScaledSize[1], Bitmap.Config.ARGB_8888); mCanvas.setBitmap(b); layout.measure(width, height); layout.layout(0, 0, unScaledSize[0], unScaledSize[1]); layout.draw(mCanvas); mCanvas.setBitmap(null); layout.setVisibility(visibility); return b; }
From source file:cc.flydev.launcher.Workspace.java
/** * Draw the View v into the given Canvas. * * @param v the view to draw/*from ww w.j a v a2 s. com*/ * @param destCanvas the canvas to draw on * @param padding the horizontal and vertical padding to use when drawing */ private void drawDragView(View v, Canvas destCanvas, int padding, boolean pruneToDrawable) { final Rect clipRect = mTempRect; v.getDrawingRect(clipRect); boolean textVisible = false; destCanvas.save(); if (v instanceof TextView && pruneToDrawable) { Drawable d = ((TextView) v).getCompoundDrawables()[1]; clipRect.set(0, 0, d.getIntrinsicWidth() + padding, d.getIntrinsicHeight() + padding); destCanvas.translate(padding / 2, padding / 2); d.draw(destCanvas); } else { if (v instanceof FolderIcon) { // For FolderIcons the text can bleed into the icon area, and so we need to // hide the text completely (which can't be achieved by clipping). if (((FolderIcon) v).getTextVisible()) { ((FolderIcon) v).setTextVisible(false); textVisible = true; } } else if (v instanceof BubbleTextView) { final BubbleTextView tv = (BubbleTextView) v; clipRect.bottom = tv.getExtendedPaddingTop() - (int) BubbleTextView.PADDING_V + tv.getLayout().getLineTop(0); } else if (v instanceof TextView) { final TextView tv = (TextView) v; clipRect.bottom = tv.getExtendedPaddingTop() - tv.getCompoundDrawablePadding() + tv.getLayout().getLineTop(0); } destCanvas.translate(-v.getScrollX() + padding / 2, -v.getScrollY() + padding / 2); destCanvas.clipRect(clipRect, Op.REPLACE); v.draw(destCanvas); // Restore text visibility of FolderIcon if necessary if (textVisible) { ((FolderIcon) v).setTextVisible(true); } } destCanvas.restore(); }
From source file:com.aidy.launcher3.ui.workspace.Workspace.java
/** * Draw the View v into the given Canvas. * // w w w .jav a 2s . c om * @param v * the view to draw * @param destCanvas * the canvas to draw on * @param padding * the horizontal and vertical padding to use when drawing */ private void drawDragView(View v, Canvas destCanvas, int padding, boolean pruneToDrawable) { final Rect clipRect = mTempRect; v.getDrawingRect(clipRect); boolean textVisible = false; destCanvas.save(); if (v instanceof TextView && pruneToDrawable) { Drawable d = ((TextView) v).getCompoundDrawables()[1]; clipRect.set(0, 0, d.getIntrinsicWidth() + padding, d.getIntrinsicHeight() + padding); destCanvas.translate(padding / 2, padding / 2); d.draw(destCanvas); } else { if (v instanceof FolderIcon) { // For FolderIcons the text can bleed into the icon area, and so // we need to // hide the text completely (which can't be achieved by // clipping). if (((FolderIcon) v).getTextVisible()) { ((FolderIcon) v).setTextVisible(false); textVisible = true; } } else if (v instanceof BubbleTextView) { final BubbleTextView tv = (BubbleTextView) v; clipRect.bottom = tv.getExtendedPaddingTop() - (int) BubbleTextView.PADDING_V + tv.getLayout().getLineTop(0); } else if (v instanceof TextView) { final TextView tv = (TextView) v; clipRect.bottom = tv.getExtendedPaddingTop() - tv.getCompoundDrawablePadding() + tv.getLayout().getLineTop(0); } destCanvas.translate(-v.getScrollX() + padding / 2, -v.getScrollY() + padding / 2); destCanvas.clipRect(clipRect, Op.REPLACE); v.draw(destCanvas); // Restore text visibility of FolderIcon if necessary if (textVisible) { ((FolderIcon) v).setTextVisible(true); } } destCanvas.restore(); }
From source file:android.support.transition.ChangeBounds.java
@Override @Nullable//from w ww . j av a2 s .c o m public Animator createAnimator(@NonNull final ViewGroup sceneRoot, @Nullable TransitionValues startValues, @Nullable TransitionValues endValues) { if (startValues == null || endValues == null) { return null; } Map<String, Object> startParentVals = startValues.values; Map<String, Object> endParentVals = endValues.values; ViewGroup startParent = (ViewGroup) startParentVals.get(PROPNAME_PARENT); ViewGroup endParent = (ViewGroup) endParentVals.get(PROPNAME_PARENT); if (startParent == null || endParent == null) { return null; } final View view = endValues.view; if (parentMatches(startParent, endParent)) { Rect startBounds = (Rect) startValues.values.get(PROPNAME_BOUNDS); Rect endBounds = (Rect) endValues.values.get(PROPNAME_BOUNDS); final int startLeft = startBounds.left; final int endLeft = endBounds.left; final int startTop = startBounds.top; final int endTop = endBounds.top; final int startRight = startBounds.right; final int endRight = endBounds.right; final int startBottom = startBounds.bottom; final int endBottom = endBounds.bottom; final int startWidth = startRight - startLeft; final int startHeight = startBottom - startTop; final int endWidth = endRight - endLeft; final int endHeight = endBottom - endTop; Rect startClip = (Rect) startValues.values.get(PROPNAME_CLIP); Rect endClip = (Rect) endValues.values.get(PROPNAME_CLIP); int numChanges = 0; if ((startWidth != 0 && startHeight != 0) || (endWidth != 0 && endHeight != 0)) { if (startLeft != endLeft || startTop != endTop) ++numChanges; if (startRight != endRight || startBottom != endBottom) ++numChanges; } if ((startClip != null && !startClip.equals(endClip)) || (startClip == null && endClip != null)) { ++numChanges; } if (numChanges > 0) { Animator anim; if (!mResizeClip) { ViewUtils.setLeftTopRightBottom(view, startLeft, startTop, startRight, startBottom); if (numChanges == 2) { if (startWidth == endWidth && startHeight == endHeight) { Path topLeftPath = getPathMotion().getPath(startLeft, startTop, endLeft, endTop); anim = ObjectAnimatorUtils.ofPointF(view, POSITION_PROPERTY, topLeftPath); } else { final ViewBounds viewBounds = new ViewBounds(view); Path topLeftPath = getPathMotion().getPath(startLeft, startTop, endLeft, endTop); ObjectAnimator topLeftAnimator = ObjectAnimatorUtils.ofPointF(viewBounds, TOP_LEFT_PROPERTY, topLeftPath); Path bottomRightPath = getPathMotion().getPath(startRight, startBottom, endRight, endBottom); ObjectAnimator bottomRightAnimator = ObjectAnimatorUtils.ofPointF(viewBounds, BOTTOM_RIGHT_PROPERTY, bottomRightPath); AnimatorSet set = new AnimatorSet(); set.playTogether(topLeftAnimator, bottomRightAnimator); anim = set; set.addListener(new AnimatorListenerAdapter() { // We need a strong reference to viewBounds until the // animator ends (The ObjectAnimator holds only a weak reference). @SuppressWarnings("unused") private ViewBounds mViewBounds = viewBounds; }); } } else if (startLeft != endLeft || startTop != endTop) { Path topLeftPath = getPathMotion().getPath(startLeft, startTop, endLeft, endTop); anim = ObjectAnimatorUtils.ofPointF(view, TOP_LEFT_ONLY_PROPERTY, topLeftPath); } else { Path bottomRight = getPathMotion().getPath(startRight, startBottom, endRight, endBottom); anim = ObjectAnimatorUtils.ofPointF(view, BOTTOM_RIGHT_ONLY_PROPERTY, bottomRight); } } else { int maxWidth = Math.max(startWidth, endWidth); int maxHeight = Math.max(startHeight, endHeight); ViewUtils.setLeftTopRightBottom(view, startLeft, startTop, startLeft + maxWidth, startTop + maxHeight); ObjectAnimator positionAnimator = null; if (startLeft != endLeft || startTop != endTop) { Path topLeftPath = getPathMotion().getPath(startLeft, startTop, endLeft, endTop); positionAnimator = ObjectAnimatorUtils.ofPointF(view, POSITION_PROPERTY, topLeftPath); } final Rect finalClip = endClip; if (startClip == null) { startClip = new Rect(0, 0, startWidth, startHeight); } if (endClip == null) { endClip = new Rect(0, 0, endWidth, endHeight); } ObjectAnimator clipAnimator = null; if (!startClip.equals(endClip)) { ViewCompat.setClipBounds(view, startClip); clipAnimator = ObjectAnimator.ofObject(view, "clipBounds", sRectEvaluator, startClip, endClip); clipAnimator.addListener(new AnimatorListenerAdapter() { private boolean mIsCanceled; @Override public void onAnimationCancel(Animator animation) { mIsCanceled = true; } @Override public void onAnimationEnd(Animator animation) { if (!mIsCanceled) { ViewCompat.setClipBounds(view, finalClip); ViewUtils.setLeftTopRightBottom(view, endLeft, endTop, endRight, endBottom); } } }); } anim = TransitionUtils.mergeAnimators(positionAnimator, clipAnimator); } if (view.getParent() instanceof ViewGroup) { final ViewGroup parent = (ViewGroup) view.getParent(); ViewGroupUtils.suppressLayout(parent, true); TransitionListener transitionListener = new TransitionListenerAdapter() { boolean mCanceled = false; @Override public void onTransitionCancel(@NonNull Transition transition) { ViewGroupUtils.suppressLayout(parent, false); mCanceled = true; } @Override public void onTransitionEnd(@NonNull Transition transition) { if (!mCanceled) { ViewGroupUtils.suppressLayout(parent, false); } transition.removeListener(this); } @Override public void onTransitionPause(@NonNull Transition transition) { ViewGroupUtils.suppressLayout(parent, false); } @Override public void onTransitionResume(@NonNull Transition transition) { ViewGroupUtils.suppressLayout(parent, true); } }; addListener(transitionListener); } return anim; } } else { int startX = (Integer) startValues.values.get(PROPNAME_WINDOW_X); int startY = (Integer) startValues.values.get(PROPNAME_WINDOW_Y); int endX = (Integer) endValues.values.get(PROPNAME_WINDOW_X); int endY = (Integer) endValues.values.get(PROPNAME_WINDOW_Y); // TODO: also handle size changes: check bounds and animate size changes if (startX != endX || startY != endY) { sceneRoot.getLocationInWindow(mTempLocation); Bitmap bitmap = Bitmap.createBitmap(view.getWidth(), view.getHeight(), Bitmap.Config.ARGB_8888); Canvas canvas = new Canvas(bitmap); view.draw(canvas); @SuppressWarnings("deprecation") final BitmapDrawable drawable = new BitmapDrawable(bitmap); final float transitionAlpha = ViewUtils.getTransitionAlpha(view); ViewUtils.setTransitionAlpha(view, 0); ViewUtils.getOverlay(sceneRoot).add(drawable); Path topLeftPath = getPathMotion().getPath(startX - mTempLocation[0], startY - mTempLocation[1], endX - mTempLocation[0], endY - mTempLocation[1]); PropertyValuesHolder origin = PropertyValuesHolderUtils.ofPointF(DRAWABLE_ORIGIN_PROPERTY, topLeftPath); ObjectAnimator anim = ObjectAnimator.ofPropertyValuesHolder(drawable, origin); anim.addListener(new AnimatorListenerAdapter() { @Override public void onAnimationEnd(Animator animation) { ViewUtils.getOverlay(sceneRoot).remove(drawable); ViewUtils.setTransitionAlpha(view, transitionAlpha); } }); return anim; } } return null; }