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Thread: .PNG images require compression?

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    Clicker Multimedia Fusion 2 DeveloperiOS Export ModuleSWF Export ModuleInstall Creator Pro

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    .PNG images require compression?

    I'm mostly using .png format images for my characters and other assets for its alpha channel.
    Because mmf2 stores the images in the active object, is it worth compressing png files, does the mmf active translate to its own format anyway?

    So, is it worth compressing .png files?

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    Clicker Multimedia Fusion 2
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    Re: .PNG images require compression?

    Portable Network Graphics itself is a compressed picture format smiliar to .jpg, Iv'e created most of my graphics in the built in picture editor and I have no idea what format they are stored as, i'd imagine you'd have absolutely no problems at all with .png's.

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    Re: .PNG images require compression?

    Thanks for your heads up Dragonguy.
    The reason I'm asking is I used to use a little tool called PNGMonster, which compresses the image further, when I used other game engines.
    But because mmf keeps the images stored in an active object, I'm wondering if it would make any difference.
    I guess I could create two libraries; one with the original images and one with the extra compression, and check their sizes.

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    Re: .PNG images require compression?

    It doesn't make a difference. MMF2 stores the graphical data in it's own way.

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    Re: .PNG images require compression?

    Ahh, great thank you Nifflas.

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    Clickteam Clickteam
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    Re: .PNG images require compression?

    I think MMF2 stores graphics in some RLE compressed format (similar to TGA files).
    And BTW, JPG files and PNG files couldn't be further apart from each other. PNG is lossless, it will compress as good as it can as long it doesn't change a single color value. The main idea in JPG is to remove quality in order to make it take up less space.

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    Re: .PNG images require compression?

    So what your saying Andos is that .png good, .jpg bad.

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    Re: .PNG images require compression?

    Uhm.. it's really not that simple.

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    Re: .PNG images require compression?

    It's a bit like cars and airplanes. You can't say one is the better. Try to take off with a car, or try to find a runway to land on when you fly your airplane a few kilometers to visit a friend.

    Lossy compressions can decrease the size of an image in ways that lossless compressions can never get near (there are a few exceptions though, for example images with large solid colour areas).

    Lossless compression at the other hand doesn't mess with the image quality, so you more or less have to use it when you're still in the process of creating or modifying the image, to not lose further image quality everytime you open and edit it.

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    Re: .PNG images require compression?

    Quote Originally Posted by Andos
    PNG is lossless, it will compress as good as it can as long it doesn't change a single color value.
    That's not entirely true. PNG does have a small loss, because it tends to darken all colors when saved multiple times.

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