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GIF 图片的所能使用的颜色数量被限制在 256 色。
在翻译这句话时,我对原文做了一些省略。原文是这样的:
They are limited to a 256 color palette, shared across all frames.
我省略了后半句,原因在于原文有误。如果 GIF 动画采用 “全局调色板”,则所有帧都只能共用这 256 种颜色;如果采用 “局部调色板”,则每帧可以自己决定使用哪 256 种颜色,但文件体积也会增长(每帧都要保存独立的调色板信息,而且帧间压缩率也可能会急剧下降)。
The text was updated successfully, but these errors were encountered:
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花絮与注解
第 205 页 ‧ 最后一行
在翻译这句话时,我对原文做了一些省略。原文是这样的:
我省略了后半句,原因在于原文有误。如果 GIF 动画采用 “全局调色板”,则所有帧都只能共用这 256 种颜色;如果采用 “局部调色板”,则每帧可以自己决定使用哪 256 种颜色,但文件体积也会增长(每帧都要保存独立的调色板信息,而且帧间压缩率也可能会急剧下降)。
The text was updated successfully, but these errors were encountered: