iPhone 应用程序的 512x512 图像
我即将向 iTunes App Store 提交我的第一个应用程序。文档称，应用程序需要提交“512x512 px、72ppi、RGB、扁平、无透明度 JPEG 图像”。
我有几个问题：
- RGB - 在这种情况下它到底意味着什么。
- 扁平化 - 这是否意味着如果我在 Photoshop 中创建图像，我应该扁平化所有图层？保存为 JPEG 是否暗示了这一点？或者它意味着完全不同的东西。
- 无透明度 - JPEG 一开始就不支持它。那么背景应该是什么颜色呢？
I am about to submit my first app to the iTunes App Store. The docs say that the application needs to be submitted with a "512x512 px, 72ppi, RGB, flattened, no transparency JPEG image".
I have a couple of questions:
- RGB - what exactly does it mean in this context.
- Flattened - does it mean that if I am creating the image in Photoshop, I should flatten all the layers? Doesn't saving to JPEG kind of imply that? Or does it mean something completely different.
- No transparency - JPEG doesn't support it to begin with. What color should the background be then?
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RGB 意味着确保将图像保存为 RGB（而不是 CMYK）JPEG。情况很可能已经是这样了。 （如果您出于某种原因在 CMYK 色彩空间中有图标，则可以通过 Photoshop 中的“图像 -> 模式”菜单更改颜色模式。也就是说，所有要在屏幕上使用的图像应保留 RGB 色彩空间.)
正如您所说，直接另存为 JPEG（或保存为网页）将为您展平图层。
正如
无论您想要什么颜色。 （即：它会显示为已保存。）
希望这是有道理的。
RGB means to ensure that you save the image as an RGB (rather than CMYK) JPEG. This is very likely to be the case already. (You can change the colour mode via the 'Image -> Mode' menu in Photoshop if you have the icon in the CMYK colour space for some reason. That said, all images destined for on screen usage should remain with the RGB colour space.)
As you say, directly saving as a JPEG (or doing save for web) will flatten the layers for you.
Whatever colo(u)r you want it to be. (i.e: It'll appear as saved.)
Hope that makes sense.
他们只是非常冗长。只需发送 jpeg（为网络保存）即可满足所有这些条件。
如果你制作了透明背景，它无论如何都会在 jpeg 上呈现为白色。
不用担心。发送:)
They're just being very verbose. Just send the jpeg(saved for web) and all those conditions will be satisfied.
If you made a transparent background it will render as white on a jpeg anyway.
don't worry. send it :)