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我想在这个草图中画一个圆弧:
圆弧的角度应该是可变的,并且应该用渐变着色(例如,从红色开始到绿色)。你如何在 Quartz2D 中做到这一点?
感谢您的回答!斯特凡
我认为这个页面有弧形部分,而这部分处理渐变的绘制。