file_dataurl_save - Saves the image as many small tiles using data:-urls
<Save>/HTML with many small tiles using data:-urls/html
Saves the image as many small tiles using data:-urls.
[PF_SPINNER, "tile_x", "Tile width", 32, [0, 8192, 1, 10]], [PF_SPINNER, "tile_y", "Tile height", 32, [0, 8192, 1, 10]], [PF_RADIO, "filetype", "Underlying file type", 0, [GIF => 0, JFIF => 1, PNG => 2]],
*
After reading rfc2397, which describes the data: url scheme, I got the idea of embedding a normal image into a html document, without resorting to external files.
data:
This is accomplished by embedding small tiles of the image directly into data:-urls. Since attribute values are by default limited to 1024 bytes this limits the size of a tile to approximately 34x34 pixels (gif compression).
However, since rfc2397 is only a proposed standard, you might want to use much larger tile sizes (upto the image size), since most browsers generally do not care for the url length.
Browser compatibility list:
Firefox 24.4.0 works
<schmorp> yosh: cvs.gimp.org <yosh> I mean which "removed debugging crap" one <schmorp> yosh: or did you mean the debugging code in the Perl-Server? <yosh> yah <yosh> debian's perl whines about using -D since it's not compiled with -DDEBUGGING <schmorp> yosh: ah.. I it was ebing queried.. <schmorp> yosh: yeah, but you did not see the <STDIN> that required people to press enter in colorhtml ;) <schmorp> anybody here with netscape 3.0? or msie 5.0? or any other graphical browser? <yosh> schmorp: it was in innerbevel, you must've fixed colorhtml before I had a chance to update <maswan> schmorp: ns3.0 here <schmorp> maswan: could you try something out? -> http://www.goof.com/pcg/marc/dataurl.html <schmorp> maswan: what do you see, especially below "dataurl filter" <schmorp> yosh: at least ;-> *** Joins: Nether [lealanko@myntti.helsinki.fi] has joined #gimp *** Mode change for #gimp by XachBot: +o Nether <maswan> schmorp: slooow.... <Stric> schmorp, evil thingie.. I'm loading it in win98/ie on a p60 8) *** Nether [lealanko@myntti.helsinki.fi] is now known as Neth_ZzZ <schmorp> that html page contains no external links, i.e. all images are embedded <schmorp> and yes, the colour-changing is bogging down most browsers <schmorp> i want to find out how many browsers support the data: url <Stric> I get a gazillion of [x] broken image thingies at the bottom half <maswan> schmorp: embedded? I got _lots_ of broken external images on the bottom half <schmorp> stric: which browser? <maswan> http://www.goof.com/pcg/marc/data:image/gif;base64, R0lGODlhIgAiAOMAAA8UFDo/OGt9eJecj722oFxfVIl/a+vSrn5oTtiyg7qfe6SGZUlgX+LCliElIdCldCwAAAAAIgAiAAAE/vAd9dajKlV6FddY9TTd9ZzmSWkPi2quYiUsiJ4uXd+6i/e3Vk/XQpGMRVxj9 1omnE/n8nhqUGmv2lMnXY6EWBc0rNxah8IRjQQbeouw0dhKT5+562Cevu1BpWtcPy1WYHdmT2psXn1DjYF8fmdnhJCIB4VTmlyRdE5ggZhTnIFrXX6SDaKPZpN4XAd+sXV8f1GagFmmd7ZWmKaNo5ZDs1GoTh k0sW5dkcGtJIeeuJ6kt7Nny7vTzXyiq2zGo7VS4NSqrdiIU8voJKLV04hypa5mB/DOw+K3qt147JQBfPLLU0Fh5IxhqdTHXh <Stric> schmorp, win98/ie (4? 5?) <schmorp> maswan: ok, so ns3.0 does not support it <schmorp> stric: i don't know how to find out ;9 <Stric> schmorp, 5 appearantly... <schmorp> ok... ns3.0 and msie5 show broken image icons. <schmorp> msie displays one dialog box per link (evil) <schmorp> lynx errornously displays the base64 data <yosh> haha <schmorp> so only netscape 4 displays it correctly <yosh> that is too evil <yosh> tried mozilla? *** Quits: _vicious_:#gimp [~jirka@dt062nd1.san.rr.com] (GEGL!) <schmorp> yosh: mozilla does not run, did not run and will probably never run <schmorp> yosh: everytime I come here and somebody talks about mozilla he says "well, it is quite cool" <schmorp> yosh: everytime _I_ try it ends in an endless loop after 5 seconds or so <yosh> heh <Stric> you must be broken then <schmorp> yosh: but I guess mozilla will do it as well <yosh> schmorp: I get broken images with NS 4.7 <schmorp> yosh: really? thats cool... it works with ns 4.06 (here) and ns 4.6 (my friend) <schmorp> yosh: on linux? <yosh> yes <schmorp> yosh: i wonder why they removed support for it.. <sjburges> I get broken stuff with 4.51 *** TomR^AwaY [~tomr@judas.aceldama.com] is now known as Tommer <yosh> hey Tommer <Tommer> Works for me on NS 4.71 on LinuxPPC <Tommer> Hullo yosh <schmorp> tommer: really? <Tommer> dataurl is very cute, schmorp <Tommer> Yup * yosh tries mozilla <schmorp> something must be broken... 4.06 yes, 4.51 no, 4.6 yes, 4.7 no, 4.71 yes... <schmorp> I see a pattern... <Tommer> Oh, you mean the ($ver*100)%2 == (dataurl works) relation? <Tommer> Oh wait, 4.6 doesn't match that. * maswan tries ns4.61 on aix <schmorp> oh, that 4.6 is probably measurement error <Tommer> schmorp, for the next trick, do <frameset> <frame src=dataurl:> <frame src=dataurl:> </frameset> :) <yosh> haha <schmorp> hmm... it works with 4.51 here.... <maswan> eeek. <Tommer> how about <body background="dataurl:..."> *** Quits: tigert:#gimp [tigert@fun112.koivukyla.hoas.fi] (Ping timeout: 660 seconds) <schmorp> tommer: hmm... now that would be cool... it would not even need base64 encoding, and would probably work even with lynx <maswan> this one is sloow for some reason. <tc> hmm *** Topic change by sjburges on #gimp: its abuse html night <Tommer> schmorp: yes, as long as you used " everywhere you'd be fine :) <schmorp> maswan: "aix".... <tc> could it be that clinton only knows of the internet from al gore? <Stric> schmorp, low mhz combined with netscape on 24bpp <maswan> hmm.. or ssh. oops. :) <tc> "reduce the gap between rich and poor by giving everyone internet access" <Tommer> Does anyone have red+blue 3D glasses handy? <tc> yay clinton. you da man <maswan> schmorp: works on this one <schmorp> stric: but since netscaope can't display colour icons in 24bpp it should be much faster ;-> <schmorp> maswan: thanks ;) <Stric> schmorp, I haven't had that problem on non-linux <maswan> hmm.. it is estimating speed at 2k/s <schmorp> tommer: the problem is that urls are max. 1k in size <Stric> schmorp, I correct that to aix/irix/solaris <schmorp> tommer: but on the browsers that support it, dataurls can be much longer <maswan> which means much time for that file <Tommer> schmorp: can't you specify encoding=base64 _and_ encoding=gzip? <yosh> hum, mozilla sucks ;) <schmorp> tommer: i can't specify an encoding per se. if, then it must be a netscape extension <schmorp> tommer: maybe image/gzip-jpg or something.... <Tommer> schmorp: oh, so you can only specify a content type, not an encoding? I was guessing about the encoding thing. * maswan tries irix netscape 4.something <maswan> 4.61 here too <schmorp> tommer: the base64 is specified as ";base64", so it is somethign special <schmorp> tommer: but since I can specify charset=xxx, maybe I can also add encoding=gzip... <maswan> works that too <schmorp> tommer: BUT... if I can use gzip, then I cna use long urls. Then I can use png, and then i don't need gzip <Tommer> schmorp: just think, you could put a whole site in one page with framesets and dataurl :) <schmorp> yosh: mozilla sucks, yes, but does it display it? <Tommer> How are gzip and long urls related, schmorp? <yosh> schmorp: it segfaults <yosh> ;) <schmorp> tommer: hmm... I'm thinking images only... <schmorp> tommer: if you think text then encoding=gzip makes sense <schmorp> tommer: I also haven'T tried wether these urls work in frameset and normal anchor elements <schmorp> but actually, the colorhtml filter is much more portable <yosh> yeah, it just takes aching long to render and scroll <Tommer> schmorp: how about <img lowsrc="data:image/gif;base64, ... " src="/images/foo.gif"> ? <schmorp> yes... maybe when this type of encapsulation becomes more often used... at least <schmorp> we can claim that msie is not rfc2397 compatible <ole_zzz> xachbot, seen dv -XachBot:#gimp- I last saw dv (veillard@home5.inrialpes.fr) 7d 13h 17m ago [quit: (xchat exiting..)] <Stric> schmorp, and who will care? 8) <schmorp> tommer: that might even be a useful usage!! *** Joins: JohnP [me2@d027.pnj.early.com] has joined #gimp *** Mode change for #gimp by XachBot: +o JohnP <JohnP> Hey! <Tommer> schmorp: but lowsrc is an evil Netscape invention :) *** Joins: tigert [~tigert@fun112.koivukyla.hoas.fi] has joined #gimp *** Mode change for #gimp by Wilber: +o tigert <Stric> tigpoo <JohnP> tigert! <Tommer> schmorp: <img lowsrc="data:image/xbm;base64, ... " src="/images/foo.gif"> <schmorp> tommer: does the lowsrc image have to have the same size/resolution? <Tommer> Hmm, does <img src="internal-gopher-menu"> and such work? <maswan> hmm.. sleep. now. <Tommer> schmorp: lowsrc _should_ have the same size/resolution. if you specify width and height then the lowsrc will be resized of course. <schmorp> tommer: .... and since it's netscaoe only we do not need to care <Tommer> schmorp: yes, if you're abusing HTML you may as well go whole hog. <schmorp> tommer: hey, it's a "proposed standard" ;) <yosh> heh <Tommer> A nice thing about NS on the Mac is that if you shrink a mono image then it renders it antialiased :) Tommer> Pull out your red+blue 3D glasses and go to: http://www.aceldama.com/~tomr/wx/tomrcam-3d-2.jpg <schmorp> yosh: rfc2397 "data: url scheme" *** Joins: jlb [~jlbec@slip-32-101-161-237.nc.us.prserv.net] has joined #gimp *** Mode change for #gimp by XachBot: +o jlb <schmorp> tommer: looks flashy (no 3d cam here ;) <schmorp> ok, bye all! <Tommer> ttyl schmorp <schmorp> sjburges: have a nice time with your new g/f! <yosh> interesting <Tommer> schmorp: you need 3D glasses <yosh> ok, food *** yosh [manish@graft.XCF.Berkeley.EDU] is now known as yosh_food <schmorp> tommer: if you do some weird things with urls, drop me a note ;-> <schmorp> tommer: ah, yes, _glasses_ i meant
Marc Lehmann <pcg@goof.com>
1999-11-20
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