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Added ability to add LaTeX

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This commit is contained in:
j4nk 2023-01-04 14:57:27 -05:00
parent 4fa1ffe3cb
commit 3e19940e71
4 changed files with 27 additions and 2 deletions
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17
md4tj_parse.el
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@ -91,6 +91,19 @@
(md4tj-begin-tag "p" (list (list "id" "lastupdated")))
"Last updated: " (current-time-string)
(md4tj-end-tag "p")))
((and (string-match "^$$.*$$" line) (eq (nth 1 state) 'normal)) ;; LaTeX formula
(shell-command (concat "./pnglatex"
" -d 300"
" -f "
"\""
(string-replace "$$" "" line)
"\""
" -o "
"./teximg/"
(md5 (string-replace "$$" "" line)) ".png"))
(md4tj-begin-tag "img" (list (list "class" "teximg") ;; give teximgs their own class
(list "src" (concat "./teximg/" (md5 (string-replace "$$" "" line)) ".png"))
(list "alt" (string-replace "$$" "" line)))))
;; If this is some other signal, ignore
((string-match "^@@" line) "")
;; Otherwise, process as normal
@ -146,7 +159,9 @@
(t 'normal))))
(defun md4tj-begin ()
"Insert beginning code for all html."
"Insert beginning code for all html, initialize."
(shell-command "mkdir -p ./teximg") ;; Ensure ./teximg folder exists
(shell-command "rm ./teximg/*") ;; Clear everything from the folder
(concat "<!DOCTYPE html>\n"
(md4tj-begin-tag "html"
(list (list "lang"

8
test_css.css
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@ -9,3 +9,11 @@ video {
outline: dashed 1px black;
text-align: center;
}
.teximg {
display: block;
margin-left: auto;
margin-right: auto;
width: 5%;
height: auto;
}

3
test_file.html
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@ -70,6 +70,7 @@ int main() {
<br/>
<p><a href="https://crawl.develz.org">Dungeon Crawl Stone Soup</a> - My favorite FOSS roguelike (Yes, I know the greatest roguelike of all time is NetHack, I don't care).</p>
<p id="lastupdated">Last updated: Wed Jan 4 13:40:47 2023</p>
<img class="teximg" src="./teximg/05e525335903ae89ce2a72ebe2582879.png" alt="e^{i \pi} + 1 = 0">
<p id="lastupdated">Last updated: Wed Jan 4 14:56:23 2023</p>
</body>
</html>

1
test_file.md4tj
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@ -25,4 +25,5 @@ int main() {
}
```
[Dungeon Crawl Stone Soup](https://crawl.develz.org) - My favorite FOSS roguelike (Yes, I know the greatest roguelike of all time is NetHack, I don't care).
$$e^{i \pi} + 1 = 0$$
@@LASTUPDATED