RLAutoSplitTextView.java 文件源码

@Override
protected void onDraw(Canvas canvas)
{
    Paint mPaint = getPaint();

    //Get font's height & leading:
    FontMetrics fm = mPaint.getFontMetrics();
    float height = fm.descent - fm.ascent + fm.leading;

    float x = 0;
    float y = height;
    String[] textLines = autoSplit(getText().toString(), mPaint, getWidth());
    for (String textLine : textLines)
    {
        canvas.drawText(textLine, x, y, mPaint);
        y += height;
    }
}