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PNG alpha as a separate file?

Is there a way to use a grayscale or bitmap image as an alpha channel in HTML, and not save it as a transparent PNG?

I have about 12 variations of transparency templates that I need to apply to about 200 images. I do not want to make 2400 images for every possible combination. I would say: "Use this image for transparency in this image."

This should not be compatible with older browsers, as it will be used for internal use. Can HTML5 do this?

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Yes, you can do this with image masks. Currently only supported in Webkit browsers.

Read all about it .:. And an example of use.

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Source: https://habr.com/ru/post/1401895/

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