Hi Peter, I think what might work best is to create a “starter” SVG object with all the <defs> contained within. I’ll save it to disk and load as needed.
Then when I extract the <g> I’ll insert the <g> into that sag doc and it should work. In this case I have over 120 glyphs (sag images) that I preload and convert into base 64 that are part of the <def> Then I reuse as needed. Anyway, I’ll have to play with these very good ideas you suggested and see how far I get. No play time until early next week. Appreciate, John… > > Hi Peter, > > Ah yes thanks, I tend to forget that an SVG doc is in XML format. > > Sometimes the solution winds up being so simple in 4D. > > If the SVG doc uses <defs> for displaying various glyphs in the <g> object I > would assume that I need to also bring those into the doc? > > > Yes, then you need to handle that as well. What I do is parse properties of > objects that are copied - like "mask", "fill" or "clip-path" properties - if > they contain "url(id)" value, and if 'url' is used, I 1. find defs element > with given id, 2. move it to target as well and 3. change id of defs and > value of url to new, unique value (alternatively you could check if defs with > given 'id' was already moved and not move it.) > > If you have control over how are SVG generated, you can make sure that defs > are included within the same group, and make sure all defs have unique id's. > Then you just copy the group. I did not have control over SVG, so had to use > more complex approach. > > Peter Bozek > > Appreciate, > John… > > > > Just use a XML commands and copy the node to another SVG files. AS SVG > > files are XML documents, you can use any XML DOM commands to manipulate SVG > > files. > > > > Something like > > $group:=DOM Find XML element by ID(oldSVGImage;$groupID) > > If (OK=1) > > $newEl:=DOM Append XML element(newSVGImage;$group) > > end if > > > > Peter Bozek > > > > On Fri, Feb 28, 2020 at 5:08 PM John J Foster via 4D_Tech > > <[email protected] <mailto:[email protected]> > > <mailto:[email protected] <mailto:[email protected]>>> wrote: > > Hi All, > > > > I have an SVG Doc which contains many <g> grouped objects. Each group has a > > unique ID (name). > > > > Sometimes I’d like to click on a part of the document, corresponding to a > > grouped object, and have it sent to the clipboard or saved as a png. Just > > the part of the document clicked on. > > > > Is there a technique to easily extract a <g> object into it’s own SVG doc > > so I can save just the selected group as an png? > > > > Yes, I could redraw each object that was selected but like to save that > > time if it’s possible. > > > > Thanks, > > John… > ********************************************************************** 4D Internet Users Group (4D iNUG) Archive: http://lists.4d.com/archives.html Options: https://lists.4d.com/mailman/options/4d_tech Unsub: mailto:[email protected] **********************************************************************
