ConfigGuide.java 文件源码

public GuideDrawable(float x, float y, float w, float h) {
  float density = getResources().getDisplayMetrics().density;

  mClipPath = new Path();
  mClipPath.addRect(x, y, x + w, y + h, Path.Direction.CW);

  mBorderPath = new Path();
  mBorderPath.addRect(x - density, y - density, x + w + density, y + h + density, Path.Direction.CW);

  mShadowPath = new Path();
  mShadowPath.addRect(x - 3 * density, y - 3 * density, x + w + 3 * density, y + h + 3 * density, Path.Direction.CW);

  mScale = new RectF(x + w / 2, y + h / 2, 1 + 8 * density / w, 1 + 8 * density / h);

  mPaint = new Paint(Paint.ANTI_ALIAS_FLAG);
  mPaint.setColor(getResources().getColor(R.color.state_button_light));

  mPaint2 = new Paint(Paint.ANTI_ALIAS_FLAG);
  mPaint2.setColor(getResources().getColor(R.color.state_button_light_alpha));
  mPaint2.setMaskFilter(new BlurMaskFilter(density * 3, BlurMaskFilter.Blur.NORMAL));
}