e583. Drawing with a Gradient Color

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于 2018-09-02 22:07:23 发布

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 public void paint(Graphics g) {
        Graphics2D g2d = (Graphics2D)g;
    
        Color startColor = Color.red;
        Color endColor = Color.blue;
    
        // A non-cyclic gradient
        GradientPaint gradient = new GradientPaint(startX, startY, startColor, endX, endY, endColor);
        g2d.setPaint(gradient);
        // Draw shapes...; see e586 Drawing Simple Shapes
    
        // A cyclic gradient
        gradient = new GradientPaint(startX, startY, startColor, endX, endY, endColor, true);
        g2d.setPaint(gradient);
        // Draw shapes...; see e586 Drawing Simple Shapes
    }