将渐变设置为Canvas.drawtext

Question

我是一名Android开发人员。我正在做一个游戏，我需要改变我的字母样式，如下图所示。如何在画布中添加渐变，如图

此代码添加渐变但是整个视图。如果底部的字母是白色的，如果顶部的字母是黑色的

Paint p = new Paint();
// start at 0,0 and go to 0,max to use a vertical
// gradient the full height of the screen.
p.setShader(new LinearGradient(0, 0, 0, getHeight(), Color.BLACK, Color.WHITE, Shader.TileMode.MIRROR));
canvas.drawPaint(p);

Answer 1

尝试这样的事情：

class V extends View {
    private String text = "Back To The Future";
    private Paint paint;
    public V(Context context) {
        super(context);
        paint = new Paint();
        paint.setTextSize(32);
    }

    @Override
    protected void onSizeChanged(int w, int h, int oldw, int oldh) {
        Rect bounds = new Rect();
        paint.getTextBounds(text, 0, text.length(), bounds);
        Shader shader = new LinearGradient(0, paint.getTextSize() + bounds.top, 0, paint.getTextSize(), Color.RED, Color.YELLOW, TileMode.MIRROR);
        paint.setShader(shader);
    }

    @Override
    protected void onDraw(Canvas canvas) {
        canvas.drawText(text, 0, paint.getTextSize(), paint);
    }
}