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AppleScript：将图像切成两半？

发布于 2024-12-09 02:10:01 字数 39 浏览 0 评论 0原文

是否可以使用 AppleScript 将图像切成两半并单独保存？

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怀念你的温柔 2024-12-16 02:10:01

使用 ImageMagick 会更容易。这会将左半部分保存为 input-0.png，将右半部分保存为 input-1.png：

convert input.png -crop 50%x100% +repage input.png

这会将右半部分保存为 right.png< /code>:

convert input.png -gravity east -crop 50%x100% +repage right.png

+repage 删除旧画布大小的元数据。请参阅http://www.imagemagick.org/Usage/crop/。

您可以使用 brew install imagemagick 或 sudo port install imagemagick 安装 ImageMagick。

It would be easier to use ImageMagick. This saves the left half as input-0.png and the right half as input-1.png:

convert input.png -crop 50%x100% +repage input.png

This saves just the right half as right.png:

convert input.png -gravity east -crop 50%x100% +repage right.png

+repage removes metadata for the old canvas size. See http://www.imagemagick.org/Usage/crop/.

You can install ImageMagick with brew install imagemagick or sudo port install imagemagick.

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却一份温柔 2024-12-16 02:10:01

如果您无法访问可编写脚本的图像编辑应用程序（如 Photoshop 中的应用程序），则可以使用 Mac OS X 附带的图像事件来裁剪图像。要获取图像的尺寸，只需使用类似以下的内容...

on GetImageDimensions(TheFile) -- (file path as string) as {width, height}
    try
        tell application "Image Events"
            launch --we have to launch Image Events before we can use it
            set theImage to open TheFile
            set theImageDimensions to dimensions of theImage
            set theImageWidth to item 1 of theImageDimensions
            set theImageHeight to item 2 of theImageDimensions
            return {theImageWidth, theImageHeight}
        end tell
    on error
        return {-1, -1} // just in case something goes wrong
    end try
end GetImageDimensions

...裁剪图像的命令就像简单的

crop pathToFile to dimensions {cropWidth, cropHeight}

如果，碰巧你有 Photoshop，那么裁剪的处理方式

crop pathToFile bounds {cropLeft, cropTop, cropRight, cropBottom}

会有所不同：命令，但这些是必需的参数。其他应用程序很可能有不同的实现（可能更像苹果的）。只需选择您选择的图像编辑应用程序，然后仔细阅读词典以了解其工作原理。

You can use Image Events, which comes with Mac OS X to crop an image if you don't have access to a scriptable image-editing application (as in Photoshop). To get the dimensions of the image just use something like the following...

on GetImageDimensions(TheFile) -- (file path as string) as {width, height}
    try
        tell application "Image Events"
            launch --we have to launch Image Events before we can use it
            set theImage to open TheFile
            set theImageDimensions to dimensions of theImage
            set theImageWidth to item 1 of theImageDimensions
            set theImageHeight to item 2 of theImageDimensions
            return {theImageWidth, theImageHeight}
        end tell
    on error
        return {-1, -1} // just in case something goes wrong
    end try
end GetImageDimensions

...and the command to crop the image is as simple as

crop pathToFile to dimensions {cropWidth, cropHeight}

If, by chance, you have Photoshop, then cropping is handled differently:

crop pathToFile bounds {cropLeft, cropTop, cropRight, cropBottom}

There is more to the command but those are the required parameters. Other applications will most likely have a different implementation (probably more like Apple's). Just select your image-editing app of choice, and peruse the Dictionary to see how it works.

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