@Override protected void dispatchDraw(Canvas canvas) { if (showcaseX < 0 || showcaseY < 0 || isRedundant) { super.dispatchDraw(canvas); return; } // Draw the semi-transparent background canvas.drawColor(backColor); // Draw to the scale specified Matrix mm = new Matrix(); mm.postScale(scaleMultiplier, scaleMultiplier, showcaseX, showcaseY); canvas.setMatrix(mm); // Erase the area for the ring canvas.drawCircle(showcaseX, showcaseY, showcaseRadius, mEraser); boolean recalculateText = makeVoidedRect() || mAlteredText; mAlteredText = false; showcase.setBounds(voidedArea); showcase.draw(canvas); canvas.setMatrix(new Matrix()); if (!TextUtils.isEmpty(mTitleText) || !TextUtils.isEmpty(mSubText)) { if (recalculateText) mBestTextPosition = getBestTextPosition(canvas.getWidth(), canvas.getHeight()); if (!TextUtils.isEmpty(mTitleText)) { // TODO: use a dynamic detail layout canvas.drawText(mTitleText, mBestTextPosition[0], mBestTextPosition[1], mPaintTitle); } if (!TextUtils.isEmpty(mSubText)) { canvas.save(); if (recalculateText) mDynamicDetailLayout = new DynamicLayout( mSubText, mPaintDetail, ((Number) mBestTextPosition[2]).intValue(), Layout.Alignment.ALIGN_NORMAL, 1.2f, 1.0f, true); canvas.translate(mBestTextPosition[0], mBestTextPosition[1] + 12 * metricScale); mDynamicDetailLayout.draw(canvas); canvas.restore(); } } super.dispatchDraw(canvas); }
@Override protected boolean drawChild(Canvas canvas, View child, long drawingTime) { final boolean ret; final Integer row = (Integer) child.getTag(R.id.tag_row); final Integer column = (Integer) child.getTag(R.id.tag_column); // row == null => Shadow view if (row == null || (row == -1 && column == -1)) { ret = super.drawChild(canvas, child, drawingTime); } else { canvas.save(); if (row == -1) { canvas.clipRect(widths[0], 0, canvas.getWidth(), canvas.getHeight()); } else if (column == -1) { canvas.clipRect(0, heights[0], canvas.getWidth(), canvas.getHeight()); } else { canvas.clipRect(widths[0], heights[0], canvas.getWidth(), canvas.getHeight()); } ret = super.drawChild(canvas, child, drawingTime); canvas.restore(); } return ret; }