ChromaColorPickerChromaColorPicker是一个Swift UIControl,允许用户在颜色轮上选择颜色并加亮或变暗所选颜色。非常适合绘图应用!许可证:MITSwiftSizeSlideButtonSizeSlideButton是一个Swift UIControl,允许在控件上选择大小。它识别长按以激活滑动条和点击以触发按钮的TouchUp事件。许可证:MITSwift