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实际上,控件所谓的透明效果是通过颜色为空来实现的,也就是说,控件内部只能是单一颜色、图片或者不填充颜色的状态。当不填充颜色时,就时“透明”的。因此,基于此原理,目前暂时无法实现半透明的效果。 |
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可以试试通过有间隔地增加透明像素来使其看上去如同半透明 |
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当画布背景图片色彩较多较鲜艳是,全透明的控件有时候看不清文字,如果能设置透明度应该效果会很好。希望能实现此功能
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