AmbilWarnaKotak.java 文件源码

@Override
protected void onDraw(final Canvas canvas) {
    super.onDraw(canvas);

    if (this.paint == null) {
        this.paint = new Paint();
        this.luar = new LinearGradient(0.f, 0.f, 0.f, this.ukuranUiPx, 0xffffffff, 0xff000000,
                TileMode.CLAMP);
    }

    this.tmp00[1] = this.tmp00[2] = 1.f;
    this.tmp00[0] = this.hue;
    int rgb = Color.HSVToColor(this.tmp00);

    this.dalam = new LinearGradient(0.f, 0.f, this.ukuranUiPx, 0.f, 0xffffffff, rgb,
            TileMode.CLAMP);
    ComposeShader shader = new ComposeShader(this.luar, this.dalam, PorterDuff.Mode.MULTIPLY);

    this.paint.setShader(shader);

    canvas.drawRect(0.f, 0.f, this.ukuranUiPx, this.ukuranUiPx, this.paint);
}