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Activity
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Monthly Downloads: 187
Programming language: Rust
License: Apache License 2.0
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README
Svgbob
Svgbob is an ascii to svg converter.
There is a Work-in-Progress spec here Contribution to the spec is welcomed.
I've spent a huge time on developing the spec and implementation on my free-time. If you like this project please consider supporting me on patreon
Using in command line
cargo install svgbob_cli
svgbob normally operates on stdin and stdout:
$ svgbob < examples/long.bob > long.svg
produces an SVG in long.svg similar to the one produced by the old main binary. svgbob also allows passing arguments instead:
$ svgbob examples/long.bob -o long.svg
And you can mix and match:
$ svgbob -o long.svg < examples/long.bob
$ svgbob examples/long.bob > long.svg
You can pipe string from the output of other program:
echo -e "+--+\n| |\n+--+" | svgbob
You can also pass an inline string:
svgbob -s -- "+--+\n| |\n+--+"
This is also documented in the output of svgbob --help:
svgbob 0.2.5
SvgBobRus is an ascii to svg converter
USAGE:
svgbob [FLAGS] [OPTIONS] [input] [SUBCOMMAND]
FLAGS:
-h, --help Prints help information
-s parse an inline string
-V, --version Prints version information
OPTIONS:
--font-family <font-family> text will be rendered with this font (default: 'arial')
--font-size <font-size> text will be rendered with this font size (default: 14)
-o, --output <output> where to write svg output [default: STDOUT]
--scale <scale> scale the entire svg (dimensions, font size, stroke width) by this factor
(default: 1)
--stroke-width <stroke-width> stroke width for all lines (default: 2)
ARGS:
<input> svgbob text file or inline string to parse [default: STDIN]
SUBCOMMANDS:
build Batch convert files to svg.
help Prints this message or the help of the given subcommand(s)
The SVG image is generated from the ascii text below.
Svgbob is a diagramming model
which uses a set of typing characters
to approximate the intended shape.
.---.
/-o-/--
.-/ / /->
( * \/
'-. \
\ /
'
It uses a combination of these characters
"which are readily available on your keyboards".
What can it do?
o-> Basic shapes
.
+------+ .------. .------. /\ .' `.
| | | | ( ) / \ .' `.
+------+ '------' '------' '----' `. .'
_______ ________ `.' ^ /
/ \ /\ \ \ ----> | ^ / /
/ \ / \ ) ) <---- | | / v
\ / \ / /_______/ v |
\_______/ \/
.-----------. . <. .> . ^ \
( ) ( ) ( ) \ \
'-----+ ,---' `> ' ` <' \ v
|/
o-> Quick logo scribbles
.---. _
/-o-/-- .--. |-| .--.
.-/ / /-> /--. \ .--)-| .--.-. //.-.\
( * \/ / O )| | |-| |->| | (+(-*-))
'-. \ /\ |-// . * | '--'-' \\'-'/
\ / \ '+'/ \__/ '--'
' '--'
o-> Even unicode box drawing characters are supported
┌─┬┐ ╔═╦╗ ╓─╥╖ ╒═╤╕
├─┼┤ ╠═╬╣ ╟─╫╢ ╞═╪╡
└─┴┘ ╚═╩╝ ╙─╨╜ ╘═╧╛
o-> Sequence Diagrams
.---> F
A B C D /
*-------*-----*---*----*-----> E
\ ^ \
v / '---> G
B --> C -'
o-> Statistical charts
E +-------------------------*--+ E | o
D |-------------------*--*--|--* D | o o | o
C |-------------*--* | | | | C | o o | | | |
B |-------*--* | | | | | | B | o o | | | | | |
A +-*--*--+--+--+--+--+--+--+--+ A +-o--o--+--+--+--+--+--+--+--+
5 10 15 20 25 30 35 40 45 50 5 10 15 20 25 30 35 40 45 50
o-> Flow charts
.--. .---. .---. .---. .---. .---. .---.
| | OS API '---' '---' '---' '---' '---' '---'
v | | | | | | |
.-. .-. .-. | v v | v | v
.-->'-' '-' '-' | .------------. | .-----------. | .-----.
| \ | / | | Filesystem | | | Scheduler | | | MMU |
| v . v | '------------' | '-----------' | '-----'
'_______/ \_____| | | | |
\ / v | | v
| ____ .----. | | .---------.
'--> /___/ | IO |<----' | | Network |
'----' | '---------'
| | |
v v v
.---------------------------------------.
| HAL |
'---------------------------------------'
o-> Block diagrams
.-,( ),-.
___ _ .-( )-.
[___]|=| -->( ) __________
/::/ |_| '-( ).-' --->[_...__...°]
'-.( ).-'
\ ____ __
'--->| | |==|
|____| | |
/::::/ |__|
o-> Mindmaps
.--> Alpha
/
.----> Initial Release
Planning *-------. / \
\ / '---> Patch 1
Initial research \ / \
* \ / '--> Patch 2
\ \ .---------> Beta
\ \ /
\ o o _______
\ .---. o--.___ / \
'------> ( ) '----*---> . Release .
`---' o \_______/
o o o \
/ \ \ \
.--' \ \ \
/ \ \ '----+-> Push backs
. \ \ \
/| \ \ '----> Setbacks
/ . \ \
V /| \ '-----> Reception
Team / . \
v /| \
Worklaod / . '-->> Career change
V /
PTO /
V
Bug
o-> It can do complex stuff such as circuit diagrams
+10-15V ___0,047R
*------o------o-|___|-o--o---------o----o-------.
| | | | | | |
--- | | .+. | | |
470uF ### | | | | 2k2 | | |
| + | | | | | | .+.
*------o '--. | '+' .+. | '-'
| |6 |7 |8 1k | | | |
GND .-+----+--+--. | | | |
| | '+' | |
| |1 | |/ BC |
| +------o--+ 547 |
| | | |`> |
| | ,+. | |
| | 220R| | o----||-+ IRF9Z34
| | | | | |+->
| MC34063 | `+' | ||-+
| | | | | BYV29 -12V6
| | '----' o--|<-o----o--X OUT
| |2 | | |
| |--o C| | |
| | GND 30uH C| | --- 470
| |3 1nF C| | ### uF
| |-------||--. | | | +
'-----+----+-' | GND | GND
5| 4| | |
| '-------------o-------------o
| ___ |
'------/\/\/------------o--|___|-'
| 1k0
.+.
| | 5k6 + 3k3
| | in Serie
'+'
|
GND
.-------------.
/ Advantages: /
'-------------'
-* Plain text format
Ultimately portable, backward compatible and future proof.
-* Degrades gracefully
Even when not using a graphical renderer, it would still looks good
as text based diagrams. Paste the text in your source code.
-* Easiest to use. Anyone knows how to edit text.
About Svgbob editor:
=======================
-> The editor is a plain text editor in replace and block mode
with smarter prediction on where you intended to type next.
i.e: typing / will move the cursor north east to continue the line.
-> The editor also has an xray lens that reveals the underlying characters
underneath that comprises the graph. Move the mouse around to see the characters
that build up which image, while holding the mouse down
momentarily cancels the xray
.------------------------------.
( This page is editable. Try it! )
'------------------------------'
+----------+
| FAQ: |
+----------+
Q: "Why is there too much spacing on words"
A: It is an intended behaviour as all the text are meant
for labels. Each words of sentences corresponds to each separate text
elements in the SVG output in order to maintain
"a bit of alignment closes to their original location. *[0]"
Q: Do people really type in diagrams in text, isn't that tedious?
A: Using simple text editors to make text diagrams like these are really
"tedious. Power users of vim or emacs can make diagrams with ease.*[1]"
Q: Your editor sucks!
A: That's the beauty of plain text.
Use whatever editor you like.
Q: "How to integrate this in markdown?"
A: "There is a project called [Spongedown](https://ivanceras.github.io/spongedown)"
which specifically does that. The svgbob diagramming feature is guarded
with ```bob code block so as not to pollute the markdown syntax.
"Footnotes:"
"*[0]: Fonts mostly condensed words to look"
and render nicely. Monospace fonts should have solved this
problem, however the monospace fonts used in browsers
are not really monospaced (i.e CJK full-width characters
are only rendered 1.5x larger than ascii characters,
"instead of 2x larger). In the terminal however, full-width"
characters are rendered 2x larger using either monospace
or non-monspaced fonts.
.------------. | .-----------. | .-----. Look at that
| 文件系统 | | | 调度器 | | | MMU | -------------->
'------------' | '-----------' | '-----' monospace eh?
Also using monofont on final output document makes it look like meant
"something for devs, instead of documents for all."
For a more heavy usage of text just use markdown format,
"there is also [Spongedown](https://ivanceras.github.io/spongedown)"
which allow you to write in markdown, combine it with svgbob diagrams,
"together some other features like csv and math equations."
"*[1] In vim, there is a drawIt plugin which helps you easily draw ascii"
diagrams. For vim without using any plugins, you can use combination
"of BLOCK mode editing(CTRL-v), REPLACE mode(SHIFT-r)",
:set virtualedit=all to easily move the cursor everywhere,
"cut, copy and paste text in block mode (<C-v> jjll 1vp)".
For emacs: there is artist mode.