Пример #1
0
    @Override
    protected void onDraw(Canvas canvas) {

      mDrawable.setBounds(mRect);

      float r = 16;

      canvas.save();
      canvas.translate(10, 10);
      mDrawable.setGradientType(GradientDrawable.LINEAR_GRADIENT);
      setCornerRadii(mDrawable, r, r, 0, 0);
      mDrawable.draw(canvas);
      canvas.restore();

      canvas.save();
      canvas.translate(10 + mRect.width() + 10, 10);
      mDrawable.setGradientType(GradientDrawable.RADIAL_GRADIENT);
      setCornerRadii(mDrawable, 0, 0, r, r);
      mDrawable.draw(canvas);
      canvas.restore();

      canvas.translate(0, mRect.height() + 10);

      canvas.save();
      canvas.translate(10, 10);
      mDrawable.setGradientType(GradientDrawable.SWEEP_GRADIENT);
      setCornerRadii(mDrawable, 0, r, r, 0);
      mDrawable.draw(canvas);
      canvas.restore();

      canvas.save();
      canvas.translate(10 + mRect.width() + 10, 10);
      mDrawable.setGradientType(GradientDrawable.LINEAR_GRADIENT);
      setCornerRadii(mDrawable, r, 0, 0, r);
      mDrawable.draw(canvas);
      canvas.restore();

      canvas.translate(0, mRect.height() + 10);

      canvas.save();
      canvas.translate(10, 10);
      mDrawable.setGradientType(GradientDrawable.RADIAL_GRADIENT);
      setCornerRadii(mDrawable, r, 0, r, 0);
      mDrawable.draw(canvas);
      canvas.restore();

      canvas.save();
      canvas.translate(10 + mRect.width() + 10, 10);
      mDrawable.setGradientType(GradientDrawable.SWEEP_GRADIENT);
      setCornerRadii(mDrawable, 0, r, 0, r);
      mDrawable.draw(canvas);
      canvas.restore();
    }
Пример #2
0
  @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);
  }