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| Acmlm's Board - I2 Archive - Hardware/Software - PNG vs GIF |
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Dylan Devil Trumpets and Angel Trombones ~ Level: 54  Posts: 205/1407 EXP: 1181697 For next: 52173 Since: 06-19-04 From: Ottawa, Canada. Since last post: 1 day Last activity: 6 hours |
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| I am having a problem saving sprites as a PNG. I suffer major loss of colour. I thought they were more detailed then a GIF. Here is a GIF sprite.  It looks the way I want it. Now PNG:  How can I fix this? I save it in Photoshop. Edit: sorry about white bg on png. Don't mention that please. I don't feel like re-uploading it with a trasparent one. (edited by Gb boy on 07-14-04 09:17 PM) (edited by Gb boy on 07-14-04 09:18 PM) |
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NightHawk Bob-Omb Level: 39  Posts: 365/621 EXP: 374743 For next: 30028 Since: 03-26-04 From: Switzerland Since last post: 432 days Last activity: 339 days |
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| That's very strange. I use PNGs all the time with Paint Shop Pro, and I've never noticed that happening. What options are you using to save the PNG? It looks like something I would expect from lossy compression, but PNGs use lossless compression.  |
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Dylan Devil Trumpets and Angel Trombones ~ Level: 54 Posts: 207/1407 EXP: 1181697 For next: 52173 Since: 06-19-04 From: Ottawa, Canada. Since last post: 1 day Last activity: 6 hours |
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| UPDATE Well I saved a snapshot in ZSNES, as a BMP. So obviously it opened it paint. I converted the BMP to PNG via paint. The PNG preserved the crispness and detail of the BMP. So I got a GIF and converted it to PNG, in Paint. Preserved the color! So, it's a color setting in Photoshop. I have fiddled with them, and it often seems like I have found the right one, I think its gonna work, but I still get the crappy quality. What exactly should I do? EDIT: Oh yeah, forgot to mention, my sig is a png which I saved in Photoshop. So, it worked before... (edited by Gb boy on 07-14-04 10:01 PM) (edited by Gb boy on 07-14-04 10:02 PM) |
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Darth Coby Vire Dacht je nou echt dat het over was? Dacht je nou echt dat ik gebroken was? Nee toch? Nou kijk eens goed op uit je ogen gast. zonder clic heb je geen kloten tjap... bitch Level: 55  Posts: 758/1371 EXP: 1240774 For next: 73415 Since: 03-15-04 From: Belgium Since last post: 2 days Last activity: 9 hours |
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It's the saving option, I don't know about photoshop but in Paint Shop Pro you can export as PNG and then you can select some different ways to reduce colours and such, all my my PNGs are elite.  |
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Dylan Devil Trumpets and Angel Trombones ~ Level: 54 Posts: 214/1407 EXP: 1181697 For next: 52173 Since: 06-19-04 From: Ottawa, Canada. Since last post: 1 day Last activity: 6 hours |
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It's definitely a saving option. Could it have something to do with here? Or here?  Ironically, these are PNGs. However, they are saved in MS Paint, and they look fine. |
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Darth Coby Vire Dacht je nou echt dat het over was? Dacht je nou echt dat ik gebroken was? Nee toch? Nou kijk eens goed op uit je ogen gast. zonder clic heb je geen kloten tjap... bitch Level: 55 Posts: 765/1371 EXP: 1240774 For next: 73415 Since: 03-15-04 From: Belgium Since last post: 2 days Last activity: 9 hours |
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That might be because Paint saves them as 16 bit PNGs IIRC. That's a 256 colour PNG with little to no colour loss. |
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Dylan Devil Trumpets and Angel Trombones ~ Level: 54 Posts: 215/1407 EXP: 1181697 For next: 52173 Since: 06-19-04 From: Ottawa, Canada. Since last post: 1 day Last activity: 6 hours |
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| PNG Optimizer? That's not a feature in Photoshop, is it? Thats what I'm trying to do, save it in Photoshop. Edit: I reinstalled the program, and the same thing still happens. This is really pissing me off!  (edited by Gb boy on 07-15-04 10:20 PM) |
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Darth Coby Vire Dacht je nou echt dat het over was? Dacht je nou echt dat ik gebroken was? Nee toch? Nou kijk eens goed op uit je ogen gast. zonder clic heb je geen kloten tjap... bitch Level: 55 Posts: 769/1371 EXP: 1240774 For next: 73415 Since: 03-15-04 From: Belgium Since last post: 2 days Last activity: 9 hours |
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| Then use Paint Shop Pro, it's better IMO, but I don't do any really advanced image editing anyway. |
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Surlent サーレント Level: 49  Posts: 447/1077 EXP: 863920 For next: 19963 Since: 03-15-04 From: Tower of Lezard Valeth Since last post: 16 hours Last activity: 1 hour |
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Uneless I'm using animations (animated PNGs -> MNG; animated GIFs -> GIF ( )), because MNG still is no match for animated GIFs ( ), I'm using PNG since a longer time due to its better qualities with less space  And the transparency issue in the first post is very weird. PNG has far better properties than GIF, only to mention the support of one alpha-channel, semi-transparency and such (except my post background image maybe, but I'm too lazy to rip the title screen new just now )I usually use the default PNG optimizer settings in my PSP7, unless I'm working with really large files which should turn out smaller from file size. |
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Fyxe Lyn Level: 51 Posts: 406/1160 EXP: 954265 For next: 59673 Since: 03-29-04 Since last post: 117 days Last activity: 114 days |
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| Gb boy, may I make a suggestion? Please make your layout background into a .gif or a .png file. OR, save it as a maximum quality .jpg file. At the moment, it suffers from *extreme* blurring and looks rather ugly. The difference will be appreciated. |
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Dylan Devil Trumpets and Angel Trombones ~ Level: 54 Posts: 296/1407 EXP: 1181697 For next: 52173 Since: 06-19-04 From: Ottawa, Canada. Since last post: 1 day Last activity: 6 hours |
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| Well, Fyxe, it looks fine to me, and anyway, that background is long gone now. Please post here only if you know what I need to do, I want to get this problem fixed badly, but in the meantime, GIF is a decent alternative. (edited by Gb boy on 07-18-04 08:56 PM) |
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Fyxe Lyn Level: 51 Posts: 412/1160 EXP: 954265 For next: 59673 Since: 03-29-04 Since last post: 117 days Last activity: 114 days |
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| Looking at that sprite it's hard to tell what exactly the problem is, due to them having different backgrounds. I notice some oddities in the shadow, though. Maybe you should switch those 'Dot Gain 20%' options to 'none', if there's that option. I use Photoshop, but I've never saved anything in .png form yet. What *exactly* is happening to that sprite? It's hard to tell. |
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Dylan Devil Trumpets and Angel Trombones ~ Level: 54 Posts: 329/1407 EXP: 1181697 For next: 52173 Since: 06-19-04 From: Ottawa, Canada. Since last post: 1 day Last activity: 6 hours |
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| The exact problem is that ut just suffers major loss of colour. It's something to do with the palette. | |||
Acmlm Torosu heh Level: 51  Posts: 837/1173 EXP: 981994 For next: 31944 Since: 03-15-04 From: Somewhere that isn't outside of Sherbrooke, Québec, Canada Since last post: 39 days Last activity: 3 hours |
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| In Photoshiop, whenever you want to save something in GIF, JPG or PNG, use the "Save for Web" feature, it lets you preview the image and filesize while you set the image quality (or color depth, etc.) ... that always worked for me But otherwise there's Paint Shop Pro, it does a pretty good job too ... |
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Dylan Devil Trumpets and Angel Trombones ~ Level: 54 Posts: 336/1407 EXP: 1181697 For next: 52173 Since: 06-19-04 From: Ottawa, Canada. Since last post: 1 day Last activity: 6 hours |
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Yay! Thank you Acmlm, it saves nicely now: |
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ErkDog Fuzz Ball Level: 47  Posts: 643/982 EXP: 752190 For next: 14013 Since: 03-15-04 From: Richmond, VA Since last post: 40 days Last activity: 19 days |
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| they both look exactly the same to me | |||
FreeDOS Lava Lotus Wannabe-Mod :< Level: 59 Posts: 594/1657 EXP: 1648646 For next: 24482 Since: 03-15-04 From: Seattle Since last post: 6 hours Last activity: 4 hours |
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| The GIMP preserves colour as long as you don't set the bit depth lower than the original. That's all I can say. | |||
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Dylan Devil Trumpets and Angel Trombones ~ Level: 54 Posts: 372/1407 EXP: 1181697 For next: 52173 Since: 06-19-04 From: Ottawa, Canada. Since last post: 1 day Last activity: 6 hours |
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Originally posted by ErkDog Thats because the PNG I saved recently with the good color is uploaded to the exact same url as the old crappy png. So Erk, what your seeing is what I wanted. |
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