不透明背景(O)：现有图像被选定内容的所有部分遮掩。
Opaque Background (o) : Existing image is obscured by all parts of the selection.
您可以从透明背景（默认情况）切换到不透明背景，然后再切换回去。
You can switch from a transparent background (the default) to an opaque background, and back again.
当使用选择工具时，“透明背景”和“不透明背景”选项出现在“图像编辑器”工具栏上的“选项”选择器中(如下所示)。
When you use a selection tool, the Transparent Background and Opaque Background options appear in the option selector on the Image Editor toolbar (as seen below).
不透明度可以根据离摄像机的远近来确定，也就说，背景中的图形要更加不透明一些，给人以纵深感。
The opacity can depend on the distance to the camera, meaning that the images in the background can be a little transparent to give the feeling of depth.
我也降低了一些前景元素整体的不透明度来帮助它们融入背景。
I also lowered the overall opacity of some of the foreground elements to help set them into the background.
背景不透明。透明背景是GIF图片的一个特征，我们稍后讨论。
Cannot be made transparent. This is a feature that GIF offers and will be discussed later on.
这一个优点是，文本和图标绘制完全不透明，其余可读的背景不透明，是褪色。
One advantage to this is that the text and icon are drawn completely opaque, remaining readable, as the background opacity is faded.
背景可能被设置在任何东西的不透明和透明之间。
The background can be set to anything between opaque and transparent.
方法来创建不透明、透明或部分透明的背景颜色。
Method to create a background color that is opaque, transparent, or partially transparent.
再次复制背景层，并将其拖到顶层，图层模式-柔光，不透明度41%。
Duplicate the base layer again, drag it to the top and set it to LAYER MODE >> Soft Light 41%.
俺打岩石纹理背景上叠加模式在非常低的不透明。
I slap a rock texture onto the background in overlay mode at a very low opacity.
这会导致按钮的背景淡入和淡出视野，同时使其文本完全不透明。
This would cause the button's background to fade in and out of view, while leaving its text fully opaque.
例如，您可以建立用来绘制按钮背景的笔刷不透明度动画。
For example, you could animate the opacity of a brush used to paint a button's background.
例如，您可以建立用来绘制按钮背景的笔刷不透明度动画。
For example, you could animate the opacity of a brush used to paint a button's background.
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