view大小改变后，阴影显示异常

[Nstd]

如果view的高度增加，阴影会被截断

[Nstd]

是因为这里的67行缓存了图片的尺寸导致的。
mRect 可以一开始就初始化一个对象（去掉66行），然后67行改成设置

this.mRectF.set((float)(bounds.left + this.mShadowRadius - this.mOffsetX), (float)(bounds.top + this.mShadowRadius - this.mOffsetY), (float)(bounds.right - this.mShadowRadius - this.mOffsetX), (float)(bounds.bottom - this.mShadowRadius - this.mOffsetY));

ShadowHelper/library/src/main/java/cn/davidsu/library/CustomShadowBackground.java

Lines 63 to 76 in 1d96c39

	@Override
	public void draw(@NonNull Canvas canvas) {
	if (mRectF == null) {
	Rect bounds = getBounds();
	mRectF = new RectF(bounds.left + mShadowRadius - mOffsetX, bounds.top + mShadowRadius - mOffsetY, bounds.right - mShadowRadius - mOffsetX,
	bounds.bottom - mShadowRadius - mOffsetY);
	}
	if (mPaint == null) {
	initPaint();
	}
	canvas.drawRoundRect(mRectF, mRadius, mRadius, mPaint);
	}