This xslt will convert inkscape's PLAIN svg files to dia shapes.
xsltproc svg2shape.xslt --stringparam icon-file firewall.icon \
firewall.svg firewall.shape
The attached bash script genshape will use inkscape to export the icon
and the simple svg and converts this to the shape file all in one go.
DIA-isms
Here is how the standard dia meta data is obtained:
1. The first text with id textbox is converted into the shape's
textbox and removed from the svg.
The text in this text becomes the name of the shape.
2. All items with an id that begins with connector_ generate a
connectionspoint tag with the connection point in the middle.
This is calculated by taking the average of the min and max x points and
the min and max y points.
The min and max taken from attributes x, x1, x2, width and pulling out
all the X coordinates in draw paths, or y, y1, y2, height or all of the
Y coordinates in the draw paths (@d attribute)
There are also some -isms to correlate the -isms in shape2svg, such that
the connections were put into a connections layer and the shape was
put into a shape layer.
inkscape is explicit about draw styles, so there was no need to fixup
assumptions when converting to shape.
BUGS:
Currently I do NOTHING about transforms or groups or other svg forms
that dia can't handle.
I don't preserve the order of connection points, ubt I don't think it
matters.
I still haven't worked out how to get xsltproc to generate the right
namespace prefixes.
So where does this leave us?
I can make simple drawings (and moderately complex ones) in SVG.
1. I just make sure the ID for visual connection points begins with
connection_,
2. I make sure there is a text area with id textbox and contents
Network -Firewall or whatever.
then I can convert and make a shape file really easily!
Sam
svg2shape.xslt
Description: application/xml
#! /bin/bash
PNG=`dirname $1`/`basename $1 .svg`.png
SHAPE=`dirname $1`/`basename $1 .svg`.shape
# generate png
inkscape -e $PNG -w 22 $1
# generate simple svg
inkscape --export-plain-svg=/dev/stdout $1 | \
xsltproc --stringparam icon-file `basename $PNG` xslt/svg2shape.xslt - \
$SHAPE
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