Support LaTeX ?

[phucynwa]

I've just found this awesome library. I love your attempt.

I hope that compose-richtext will support LaTeX soon.

[halilozercan]

Rendering LaTeX would be an almost impossible task for any Android library alone. I don't think we will have that kind of ambitious goal anytime soon. If we are talking about a small subset of LaTeX like math equations, that'd be something we can look into. I mean not the parsing of a math syntax but providing necessary builders to write a generic math function.

buildFormula {
  pow(a, 2) + pow(b, 2) eq pow(c,2)
}

would render something like

[phucynwa]

@halilozercan Yes. I wish richtext-commonmark will support LaTeX syntax like Markwon library.
I hope I can use this function soon. Thank you.

[leon2017]

请问现在支持LaTex了吗

[zayass]

I am not sure about quality but here some existing libraries for parsing/rendering LaTeX on android

https://github.com/NanoMichael/AndroidLaTeXMath
https://github.com/noties/jlatexmath-android

@halilozercan what do you think about some kind of plugins to parse/render embedded things.

I think it is better than inventing yet another math markup language. Because it is a pretty common and widely used scenario to embed LaTeX into markdown:

f{\left( a \right )} = \frac{1}{2 \pi i} \oint_{\gamma} \frac{f{\left( z \right )}}{z - a} dz

$$f{\left( a \right )} = \frac{1}{2 \pi i} \oint_{\gamma} \frac{f{\left( z \right )}}{z - a} dz$$

[sakibanda]

Hi, Can anyone please update on this? I need Latex support into markdown.

[phucynwa]

@sakibanda I spent a night making it possible 😄

dependencyResolutionManagement {
    ...
    repositories {
        ...
        maven("https://jitpack.io") <-- add this line
    }
}

implementation("com.github.phucynwa.compose-richtext:richtext-commonmark:support_latex-SNAPSHOT")
implementation("com.github.phucynwa.compose-richtext:richtext-ui:support_latex-SNAPSHOT")
implementation("com.github.phucynwa.compose-richtext:richtext-ui-material3:support_latex-SNAPSHOT")

You can check my branch and modify it as you want. https://github.com/phucynwa/compose-richtext/tree/support_latex

I copied the compose code from https://github.com/yicu23/LaTeX.kt
I used https://github.com/noties/jlatexmath-android for rendering LaTeX since it support more syntaxes.

[sakibanda]

Sorry couldn't reply earlier. Thanks a lot @phucynwa, I appreciate it 👍

I will implement and let you know how it goes.

[sakibanda]

When i switch to your branch & try android build without making any changes I get these errors:

Unresolved reference: com.halilibo.richtext.ui.RichTextThemeIntegration
Unresolved reference: com.halilibo.richtext.ui.material3.Material3RichText
Unresolved reference: com.halilibo.richtext.markdown.Markdown

[sakibanda]

Never mind. followed the documention here :
https://halilibo.com/compose-richtext/richtext-ui-material3/

Then, build worked but Latex functions are not rendering, I am trying everything but don't know why its not working, please find below code & screenshot.

Here is my code:

RichText(
    modifier = Modifier.padding(horizontal = 0.dp, vertical = 0.dp),
    style = RichTextStyle( codeBlockStyle = CodeBlockStyle()) {
    Markdown(
        content = message.content.trimIndent()
            .replace("\n- ", "\n    - ")
    )
}

Please help.

[sakibanda]

Hello,

Any update on this? Tried the code from your sample, but still its not rendering LaTex code.

Please help.