[tw5] Re: Compression of embedded images

2019-11-10 Thread Eric Shulman
On Sunday, November 10, 2019 at 4:23:39 AM UTC-8, PMario wrote: > > This may be interesting: > https://support.mozilla.org/en-US/kb/firefox-screenshots ... If a > screenshot is done, you can use CTRL-V to import it into TW as PNG. > In Chrome, you can take a screenshot by using ctrl-shift-I

[tw5] Re: Compression of embedded images

2019-11-10 Thread PMario
On Sunday, November 10, 2019 at 4:08:15 AM UTC+1, Mal wrote: In my application, I think we are mostly dealing with screen shots and > pretty much only view the wikis on screens, ranging from desktops to > mobiles, so no need for printing. > Hi, As TT pointed out I also use IrfanView

[tw5] Re: Compression of embedded images

2019-11-10 Thread PMario
Hi, This may be interesting: https://support.mozilla.org/en-US/kb/firefox-screenshots ... If a screenshot is done, you can use CTRL-V to import it into TW as PNG. -m -- You received this message because you are subscribed to the Google Groups "TiddlyWiki" group. To unsubscribe from this

[tw5] Re: Compression of embedded images

2019-11-09 Thread Mal
Tony, Thanks for your additional comments. To answer some of your points: - Yes, maintaining single file format is important - this makes it much easier to access on various device types. - Yes, these wikis need to be kept private. My previous batch approach was to process images

[tw5] Re: Compression of embedded images

2019-11-09 Thread TonyM
Mal Actual screen shots, without photographic style images included, Actualy compress very well in jpg since a lot of the image is block colours. If you extract the images you would import and try some bulk converters you can get a quick idea if they are small enough in total to import or if

[tw5] Re: Compression of embedded images

2019-11-09 Thread Mal
Mario / Mark / TT, Thanks for all the helpful comments. Mario, your post is a great reference - it's a pity this stuff tends to get buried in GG. In my application, I think we are mostly dealing with screen shots and pretty much only view the wikis on screens, ranging from desktops to

[tw5] Re: Compression of embedded images

2019-11-09 Thread @TiddlyTweeter
Mal, partly backing up PMario & Mark but with a sharper intent ... :-) It would definitely be easiest to use an external image editor with bulk functions to prepare images. Change resolution, palette color numbers & output format for LOWEST NICE LOOKING SIZE (do that interactively in the

[tw5] Re: Compression of embedded images

2019-11-09 Thread 'Mark S.' via TiddlyWiki
I guess step one would be to locate any open-source, javascript-only code sources for converting PNG to JPG. On Friday, November 8, 2019 at 9:34:58 PM UTC-8, Mal wrote: > > Tiddlywiki Folks, > > I have a non-technical Tiddlywiki user with large (30-40MB) wikis of study > notes containing lots

[tw5] Re: Compression of embedded images

2019-11-09 Thread PMario
Hi Mal, Image processing is a highly advanced art and libraries that can handle it in a sophisticated way are huge in size. .. So I _don't_ think it will ever be convenient to add an image processing library to the TW core. ... To deal with imperfections would be a maintenance nightmare.