BGAMoocStyleRefreshView.java 文件源码

private void initCanvas() {
    mOriginalBitmapWidth = mOriginalBitmap.getWidth();
    mOriginalBitmapHeight = mOriginalBitmap.getHeight();

    // 初始状态值
    mWaveOriginalY = mOriginalBitmapHeight;
    mWaveY = 1.2f * mWaveOriginalY;
    mBezierControlOriginalY = 1.25f * mWaveOriginalY;
    mBezierControlY = mBezierControlOriginalY;

    mXfermode = new PorterDuffXfermode(PorterDuff.Mode.SRC_IN);
    mBezierPath = new Path();

    mCanvas = new Canvas();
    mUltimateBitmap = Bitmap.createBitmap(mOriginalBitmapWidth, mOriginalBitmapHeight, Config.ARGB_8888);
    mCanvas.setBitmap(mUltimateBitmap);
}