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Generates properly baselined images and HTML code from LaTeX formulas.

Project description

based_latex

Generates properly baselined images and HTML code from LaTeX formulas.

Installation

pip install based_latex

Requirements

This package requires a LaTeX distribution, as well as the ImageMagick package.

Usage

Use the function based_latex.save_latex_image(expression, path) to save a LaTeX image of the formula in expression at path. This function also returns two variables prefix and suffix with which you can construct the proper HTML code to embed the image, by simply concatenating prefix + image_url + suffix

import based_latex
prefix, suffix = based_latex.save_latex_image("\\frac{n^2+1}{n!}", "formula.png")
# Image is now saved at formula.png
print(prefix + "formula.png" + suffix)
# <span class="latex" style="position:relative;display:inline-block;vertical-align:0;width:2.125em;height:1.1406em;margin-bottom:0.4062em;"><img style="position:absolute;top:0;left:0;width:100%;height:200%;margin:0;padding:0;border-style:none;border:0;" src="formula.png"/></span>

Some optional parameters of based_latex.save_latex_image, with their respective default elements, are:

density = 512

This parameter is used by ImageMagick's convert command, and is proportional to the generated image's resolution.

factor = 1

HTML code is normally generated to match the element's font, multiplied by factor.

class_name = "latex"

The wrapping <span> element has this css class.

include_static_style = True

(Documentation coming soon)

process_timeout = 2

This is the timeout of the pdflatex and convert (from ImageMagick) commands. After this timeout, the function will raise an exception if, for example, your formula happens to have a syntax error.

Project details


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