commit f4d527086d60a153555e0fd606fb76d47c235d45
Author: Koji Yokota <[email protected]>
Date: Fri Jul 24 14:43:16 2026 +0900
Redeem customizable background in lyxpreview2bitmap.py
---
lib/scripts/legacy_lyxpreview2ppm.py | 45 +++++++++++++++++++++++++++++++++---
lib/scripts/lyxpreview2bitmap.py | 16 +++++++++----
2 files changed, 53 insertions(+), 8 deletions(-)
diff --git a/lib/scripts/legacy_lyxpreview2ppm.py
b/lib/scripts/legacy_lyxpreview2ppm.py
index 575a34be5a..5d6e00ab1f 100644
--- a/lib/scripts/legacy_lyxpreview2ppm.py
+++ b/lib/scripts/legacy_lyxpreview2ppm.py
@@ -202,6 +202,8 @@ def legacy_latex_file(latex_file, fg_color, bg_color):
use_polyglossia_re = re.compile(b"\\s*\\\\usepackage{polyglossia}")
use_preview_re = re.compile(b"\\s*\\\\usepackage\\[([^]]+)\\]{preview}")
fg_color_gr = make_texcolor(fg_color, True)
+ if bg_color != "transparent":
+ bg_color_gr = make_texcolor(bg_color, True)
tmp = tempfile.TemporaryFile()
@@ -230,7 +232,16 @@ def legacy_latex_file(latex_file, fg_color, bg_color):
tmp.write(line)
continue
else:
- tmp.write(b"""
+ if bg_color != "transparent":
+ tmp.write(b"""
+\\usepackage{color}
+\\definecolor{lyxfg}{rgb}{%s}
+\\definecolor{lyxbg}{rgb}{%s}
+\\pagecolor{lyxbg}
+\\usepackage{polyglossia}
+""" % (fg_color_gr, bg_color_gr))
+ else:
+ tmp.write(b"""
\\usepackage{color}
\\definecolor{lyxfg}{rgb}{%s}
\\usepackage{polyglossia}
@@ -241,7 +252,20 @@ def legacy_latex_file(latex_file, fg_color, bg_color):
# Preview options: add the options lyx and tightpage
previewopts = match.group(1)
if not polyglossia:
- tmp.write(b"""
+ if bg_color != "transparent":
+ tmp.write(b"""
+\\usepackage{color}
+\\definecolor{lyxfg}{rgb}{%s}
+\\definecolor{lyxbg}{rgb}{%s}
+\\pagecolor{lyxbg}
+\\makeatletter
+\\def\\@tempa{cmr}
+\\ifx\\f@family\\@tempa
+ \\IfFileExists{lmodern.sty}{\\usepackage{lmodern}}{\\usepackage{ae,aecompl}}
+\\fi
+""" % (fg_color_gr, bg_color_gr))
+ else:
+ tmp.write(b"""
\\usepackage{color}
\\definecolor{lyxfg}{rgb}{%s}
\\makeatletter
@@ -253,6 +277,9 @@ def legacy_latex_file(latex_file, fg_color, bg_color):
tmp.write(b"""
\\usepackage[%s,tightpage]{preview}
\\makeatletter
+""" % previewopts)
+ if bg_color != "transparent":
+ tmp.write(b"""
\\ifdefined\\AddToHook
\\AddToHook{env/preview/before}{\\leavevmode\\begingroup\\special{ps::clippath
fill}}
\\AddToHook{env/preview/after}{\\endgroup}
@@ -260,6 +287,18 @@ def legacy_latex_file(latex_file, fg_color, bg_color):
\\g@addto@macro\\preview{\\leavevmode\\begingroup\\special{ps::clippath
fill}}
\\g@addto@macro\\endpreview{\\endgroup}
\\fi
+""")
+ else:
+ tmp.write(b"""
+\\ifdefined\\AddToHook
+
\\AddToHook{env/preview/before}{\\leavevmode\\begingroup\\color{lyxbg}\\special{background
\\current@color}\\special{ps::clippath fill}}
+ \\AddToHook{env/preview/after}{\\endgroup}
+\\else
+
\\g@addto@macro\\preview{\\leavevmode\\begingroup\\color{lyxbg}\\special{background
\\current@color}\\special{ps::clippath fill}}
+ \\g@addto@macro\\endpreview{\\endgroup}
+\\fi
+""")
+ tmp.write(b"""
\\g@addto@macro\\preview{\\color{lyxfg}}
\\let\\pr@set@pagerightoffset\\@empty
\\ifx\\pagerightoffset\\@undefined\\else
@@ -272,7 +311,7 @@ def legacy_latex_file(latex_file, fg_color, bg_color):
\\fi
\\g@addto@macro\\pr@ship@end{\\pr@set@pagerightoffset}
\\makeatother
-""" % previewopts)
+""")
if success:
copyfileobj(tmp, open(latex_file,"wb"), 1)
diff --git a/lib/scripts/lyxpreview2bitmap.py b/lib/scripts/lyxpreview2bitmap.py
index 1542af1663..497bf66c15 100755
--- a/lib/scripts/lyxpreview2bitmap.py
+++ b/lib/scripts/lyxpreview2bitmap.py
@@ -39,7 +39,8 @@
# --dpi=<res>: A scale factor, used to ascertain the resolution of the
# generated image which is then passed to gs.
# --fg=<color>: The foreground color as a hexadecimal string, eg '000000'.
-# --bg=<color>: The background color as a hexadecimal string, eg 'faf0e6'.
+# --bg=<color>: The background color as a hexadecimal string, eg 'faf0e6' or
+# keyword 'transparent' for transparent background.
# --latex=<exe>: The converter for latex files. Default is latex.
# --bibtex=<exe>: The converter for bibtex files. Default is bibtex.
# --lilypond: Preprocess through lilypond-book. Default is false.
@@ -94,7 +95,7 @@ Options:
--dpi=<res>: Resolution per inch (default: 128)
--png, --ppm: Select the output format (default: png)
--fg=<color>: Foreground color (default: black, ie '000000')
- --bg=<color>: Background color (default: white, ie 'ffffff')
+ --bg=<color>: Background color (default: transparent)
--latex=<exe>: Specify the executable for latex (default: latex)
--bibtex=<exe>: Specify the executable for bibtex (default: bibtex)
--lilypond: Preprocess through lilypond-book (default: false)
@@ -314,7 +315,7 @@ def main(argv):
# Set defaults.
dpi = 128
fg_color = "000000"
- bg_color = "ffffff"
+ bg_color = "transparent"
bibtex = None
latex = None
lilypond = False
@@ -331,6 +332,7 @@ def main(argv):
error(f"{err}\n{usage(script_name)}")
opts.reverse()
+
for opt, val in opts:
if opt in ("-h", "--help"):
print(usage(script_name))
@@ -390,10 +392,14 @@ def main(argv):
progress("File to process: %s" % input_path)
fg_color = bytes(fg_color, 'ascii')
- bg_color = bytes(bg_color, 'ascii')
+ if bg_color != "transparent":
+ bg_color = bytes(bg_color, 'ascii')
fg_color_dvipng = make_texcolor(fg_color, False).decode('ascii')
- bg_color_dvipng = "Transparent"
+ if bg_color == "transparent":
+ bg_color_dvipng = "Transparent"
+ else:
+ bg_color_dvipng = make_texcolor(bg_color, False).decode('ascii')
# External programs used by the script.
latex = find_exe_or_terminate(latex or latex_commands)
--
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