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#+title: Org Chameleon Export
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#+author: tecosaur
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Sometimes you want your exports to blend in with your Emacs theme.
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[[file:logo.svg]]
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This currently only works with LaTeX exports, but it would be nice if more
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formats could be supported in future. To use with LaTeX just change the
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documents =#+latex_class= to use the pseudo-class =chameleon= and
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~org-latex-default-class~ will be used with some extra generated preamble content
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to make the result similar to your buffer 🙂.
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File diff suppressed because one or more lines are too long
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;;; ox-chameleon.el --- Make documents match your theme -*- lexical-binding: t; -*-
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;;
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;; Copyright (C) 2021 TEC
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;;
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;; Author: TEC <https://github.com/tecosaur>
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;; Maintainer: TEC <tec@tecosaur.com>
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;; Created: August 15, 2021
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;; Modified: August 15, 2021
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;; Version: 0.0.1
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;; Keywords: convenience faces
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;; Homepage: https://github.com/tecosaur/ox-chameleon
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;; Package-Requires: ((emacs "26.3") (engrave-faces "0.1.0"))
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;;
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;; This file is not part of GNU Emacs.
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;;
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;;; Commentary:
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;;
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;; Make documents match your theme
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;;
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;;; Code:
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(defvar ox-chameleon--p nil
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"Used to indicate whether the current export is trying to blend in. Set just before being accessed.")
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(defun ox-chameleon-org-latex-detect (orig-fun info)
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(setq ox-chameleon--p (when (equal (plist-get info :latex-class)
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"chameleon")
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(plist-put info :latex-class
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(if (plist-get info :beamer-theme) "beamer"
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org-latex-default-class))
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t))
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(funcall orig-fun info))
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(advice-add 'org-export-install-filters :around #'ox-chameleon-org-latex-detect)
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(defun ox-chameleon-org-latex-export (orig-fn info &optional template snippet?)
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(if (and ox-chameleon--p (not snippet?))
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(concat (funcall orig-fn info template snippet?)
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(ox-chameleon-generate-colourings info))
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(funcall orig-fn info template snippet?)))
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(advice-add 'org-latex-make-preamble :around #'ox-chameleon-org-latex-export)
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(defun ox-chameleon-engrave-wrapper (orig-fun &rest args)
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(let ((engrave-faces-preset-styles (engrave-faces-generate-preset)))
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(apply orig-fun args)))
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(advice-add 'org-export-as :around #'ox-chameleon-engrave-wrapper)
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(defun ox-chameleon-generate-colourings (info)
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(concat
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"\n%% make document follow Emacs theme\n"
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(ox-chameleon--generate-fgbg-colours)
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(if (plist-get info :beamer-theme)
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(concat (ox-chameleon--generate-beamer-colourings)
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(ox-chameleon--generate-beamer-list-colourings))
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(concat "\n\\pagecolor{obg}\n\\color{ofg}\n"
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(ox-chameleon--generate-list-colourings)
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(ox-chameleon--generate-koma-structural-colourings)))
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(ox-chameleon--generate-text-colourings)
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(ox-chameleon--generate-src-colourings)
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"\n%% end customisations\n\n"))
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(defun ox-chameleon--generate-fgbg-colours ()
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(apply #'format
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"\n\\definecolor{obg}{HTML}{%s}\n\\definecolor{ofg}{HTML}{%s}\n"
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(mapcar (lambda (hex) (substring hex 1))
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(list
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(face-attribute 'default :background)
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(face-attribute 'default :foreground)))))
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(defun ox-chameleon--generate-text-colourings ()
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(apply #'format
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"
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%% textual elements
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\\definecolor{link}{HTML}{%s}
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\\definecolor{cite}{HTML}{%s}
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\\definecolor{itemlabel}{HTML}{%s}
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\\definecolor{code}{HTML}{%s}
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\\definecolor{verbatim}{HTML}{%s}
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\\renewcommand{\\labelitemi}{\\textcolor{itemlabel}{\\textbullet}}
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\\renewcommand{\\labelitemii}{\\textcolor{itemlabel}{\\normalfont\\bfseries \\textendash}}
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\\renewcommand{\\labelitemiii}{\\textcolor{itemlabel}{\\textasteriskcentered}}
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\\renewcommand{\\labelitemiv}{\\textcolor{itemlabel}{\\textperiodcentered}}
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\\renewcommand{\\labelenumi}{\\textcolor{itemlabel}{\\theenumi.}}
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\\renewcommand{\\labelenumii}{\\textcolor{itemlabel}{(\\theenumii)}}
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\\renewcommand{\\labelenumiii}{\\textcolor{itemlabel}{\\theenumiii.}}
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\\renewcommand{\\labelenumiv}{\\textcolor{itemlabel}{\\theenumiv.}}
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\\DeclareTextFontCommand{\\texttt}{\\color{code}\\ttfamily}
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\\makeatletter
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\\def\\verbatim@font{\\color{verbatim}\\normalfont\\ttfamily}
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\\makeatother
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"
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(mapcar (lambda (hex) (substring hex 1))
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(list
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(face-attribute 'link :foreground)
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(face-attribute 'org-cite :foreground)
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(face-attribute 'org-list-dt :foreground)
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(face-attribute 'org-code :foreground)
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(face-attribute 'org-verbatim :foreground)))))
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(defun ox-chameleon--generate-list-colourings ()
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(format "
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%% list labels
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\\definecolor{itemlabel}{HTML}{%s}
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\\renewcommand{\\labelitemi}{\\textcolor{itemlabel}{\\textbullet}}
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\\renewcommand{\\labelitemii}{\\textcolor{itemlabel}{\\normalfont\\bfseries \\textendash}}
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\\renewcommand{\\labelitemiii}{\\textcolor{itemlabel}{\\textasteriskcentered}}
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\\renewcommand{\\labelitemiv}{\\textcolor{itemlabel}{\\textperiodcentered}}
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\\renewcommand{\\labelenumi}{\\textcolor{itemlabel}{\\theenumi.}}
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\\renewcommand{\\labelenumii}{\\textcolor{itemlabel}{(\\theenumii)}}
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\\renewcommand{\\labelenumiii}{\\textcolor{itemlabel}{\\theenumiii.}}
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\\renewcommand{\\labelenumiv}{\\textcolor{itemlabel}{\\theenumiv.}}
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"
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(substring (face-attribute 'org-list-dt :foreground) 1)))
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(defun ox-chameleon--generate-src-colourings ()
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(apply #'format
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"
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%% code blocks
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\\definecolor{codebackground}{HTML}{%s}
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\\colorlet{EFD}{ofg}
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\\definecolor{codeborder}{HTML}{%s}
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"
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(mapcar (lambda (hex) (substring hex 1))
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(list
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(face-attribute 'solaire-default-face :background)
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(doom-blend (face-attribute 'solaire-default-face :background)
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(face-attribute 'default :foreground)
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0.95)))))
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(defun ox-chameleon--generate-koma-structural-colourings ()
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(apply #'format
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"
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%% structural elements
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\\definecolor{documentTitle}{HTML}{%s}
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\\definecolor{documentInfo}{HTML}{%s}
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\\definecolor{level1}{HTML}{%s}
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\\definecolor{level2}{HTML}{%s}
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\\definecolor{level3}{HTML}{%s}
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\\definecolor{level4}{HTML}{%s}
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\\definecolor{level5}{HTML}{%s}
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\\definecolor{level6}{HTML}{%s}
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\\definecolor{level7}{HTML}{%s}
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\\definecolor{level8}{HTML}{%s}
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\\addtokomafont{title}{\\color{documentTitle}}
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\\addtokomafont{author}{\\color{documentInfo}}
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\\addtokomafont{date}{\\color{documentInfo}}
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\\addtokomafont{section}{\\color{level1}}
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\\newkomafont{sectionprefix}{\\color{level1}}
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\\addtokomafont{subsection}{\\color{level2}}
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\\newkomafont{subsectionprefix}{\\color{level2}}
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\\addtokomafont{subsubsection}{\\color{level3}}
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\\newkomafont{subsubsectionprefix}{\\color{level3}}
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\\addtokomafont{paragraph}{\\color{level4}}
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\\newkomafont{paragraphprefix}{\\color{level4}}
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\\addtokomafont{subparagraph}{\\color{level5}}
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\\newkomafont{subparagraphprefix}{\\color{level5}}
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"
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(mapcar (lambda (hex) (substring hex 1))
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(list
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(face-attribute 'org-document-title :foreground)
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(face-attribute 'org-document-info :foreground)
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(face-attribute 'outline-1 :foreground)
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(face-attribute 'outline-2 :foreground)
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(face-attribute 'outline-3 :foreground)
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(face-attribute 'outline-4 :foreground)
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(face-attribute 'outline-5 :foreground)
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(face-attribute 'outline-6 :foreground)
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(face-attribute 'outline-7 :foreground)
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(face-attribute 'outline-8 :foreground)))))
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(defun ox-chameleon--generate-beamer-colourings ()
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(format
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"
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%% beamer
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\\definecolor{builtin}{HTML}{%s}
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\\NewCommandCopy{\\oldusetheme}{\\usetheme}
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\\renewcommand*{\\usetheme}[2][]{\\oldusetheme[#1]{#2}
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\\setbeamercolor{normal text}{fg=ofg, bg=obg}
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\\setbeamercolor{alerted text}{fg=builtin}
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\\setbeamercolor{progress bar}{fg=builtin}
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\\setbeamercolor{title separator}{fg=builtin}
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\\setbeamercolor{progress bar in head/foot}{fg=builtin}
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\\setbeamercolor{progress bar in section page}{fg=builtin}}
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"
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(substring (face-attribute 'font-lock-builtin-face :foreground) 1)))
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(defun ox-chameleon--generate-beamer-list-colourings ()
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(format "
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%% beamer list labels
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\\definecolor{itemlabel}{HTML}{%s}
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\\setbeamercolor*{item}{fg=itemlabel}
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"
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(substring (face-attribute 'org-list-dt :foreground) 1)))
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(provide 'ox-chameleon)
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;;; ox-chameleon.el ends here
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