#! /usr/bin/env python
-# -*- coding: iso-8859-1 -*-
+# -*- coding: utf-8 -*-
# file legacy_lyxpreview2ppm.py
# This file is part of LyX, the document processor.
# with much advice from members of the preview-latex project:
# David Kastrup, dak@gnu.org and
-# Jan-Åke Larsson, jalar@mai.liu.se.
+# Jan-Åke Larsson, jalar@mai.liu.se.
# and with much help testing the code under Windows from
# Paul A. Rubin, rubin@msu.edu.
import glob, os, pipes, re, string, sys
from lyxpreview_tools import copyfileobj, error, find_exe, \
- find_exe_or_terminate, mkstemp, run_command
+ find_exe_or_terminate, make_texcolor, mkstemp, run_command, warning
# Pre-compiled regular expression.
latex_file_re = re.compile("\.tex$")
return dpi * (10.0 / fontsize) * (1000.0 / magnification)
-def legacy_latex_file(latex_file, fg_color, bg_color):
- use_preview_re = re.compile("(\\\\usepackage\[[^]]+)(\]{preview})")
+def legacy_latex_file(latex_file, fg_color, bg_color, bg_color_gr):
+ use_preview_dvi_re = re.compile("(\s*\\\\usepackage\[[^]]+)(dvips\]{preview})")
+ use_preview_pdf_re = re.compile("(\s*\\\\usepackage\[[^]]+)(pdftex\]{preview})")
tmp = mkstemp()
success = 0
try:
for line in open(latex_file, 'r').readlines():
- match = use_preview_re.match(line)
+ match = use_preview_dvi_re.match(line)
if match == None:
- tmp.write(line)
+ match = use_preview_pdf_re.match(line)
+ if match == None:
+ tmp.write(line)
+ continue
+ success = 1
+ tmp.write(" \\usepackage{color}\n" \
+ " \\pagecolor[rgb]{%s}\n" \
+ "%s\n" \
+ % (bg_color_gr, match.group()))
continue
success = 1
- tmp.write("%s,dvips,tightpage%s\n\n" \
- "\\AtBeginDocument{\\AtBeginDvi{%%\n" \
- "\\special{!userdict begin/bop-hook{//bop-hook exec\n" \
- "<%s%s>{255 div}forall setrgbcolor\n" \
- "clippath fill setrgbcolor}bind def end}}}\n" \
+ tmp.write("%stightpage,%s\n" \
+ " \\AtBeginDocument{\\AtBeginDvi{%%\n" \
+ " \\special{!userdict begin/bop-hook{//bop-hook exec\n" \
+ " <%s%s>{255 div}forall setrgbcolor\n" \
+ " clippath fill setrgbcolor}bind def end}}}\n" \
% (match.group(1), match.group(2), fg_color, bg_color))
except:
def legacy_conversion(argv):
+ latex_commands = ["latex", "pplatex", "platex", "latex2e"]
# Parse and manipulate the command line arguments.
- if len(argv) != 6:
+ if len(argv) == 7:
+ latex_commands = [argv[6]]
+ elif len(argv) != 6:
error(usage(argv[0]))
dir, latex_file = os.path.split(argv[1])
dpi = string.atoi(argv[2])
output_format = argv[3]
- if output_format != "ppm":
- error("This script will generate ppm format images only.")
fg_color = argv[4]
bg_color = argv[5]
+ bg_color_gr = make_texcolor(argv[5], True)
# External programs used by the script.
- path = string.split(os.environ["PATH"], os.pathsep)
- latex = find_exe_or_terminate(["pplatex", "latex2e", "latex"], path)
- dvips = find_exe_or_terminate(["dvips"], path)
- gs = find_exe_or_terminate(["gswin32c", "gs"], path)
- pnmcrop = find_exe(["pnmcrop"], path)
+ path = string.split(os.environ["PATH"], os.pathsep)
+ latex = find_exe_or_terminate(latex_commands, path)
# Move color information into the latex file.
- if not legacy_latex_file(latex_file, fg_color, bg_color):
+ if not legacy_latex_file(latex_file, fg_color, bg_color, bg_color_gr):
error("Unable to move color info into the latex file")
# Compile the latex file.
error("%s failed to compile %s" \
% (os.path.basename(latex), latex_file))
+ return legacy_conversion_step2(latex_file, dpi, output_format)
+
+
+def legacy_conversion_step2(latex_file, dpi, output_format):
+ # External programs used by the script.
+ path = string.split(os.environ["PATH"], os.pathsep)
+ dvips = find_exe_or_terminate(["dvips"], path)
+ gs = find_exe_or_terminate(["gswin32c", "gs"], path)
+ pnmcrop = find_exe(["pnmcrop"], path)
+
# Run the dvi file through dvips.
dvi_file = latex_file_re.sub(".dvi", latex_file)
ps_file = latex_file_re.sub(".ps", latex_file)
+ pdf_file = latex_file_re.sub(".pdf", latex_file)
dvips_call = '%s -o "%s" "%s"' % (dvips, ps_file, dvi_file)
+ dvips_failed = False
dvips_status, dvips_stdout = run_command(dvips_call)
if dvips_status != None:
- error("Failed: %s %s" % (os.path.basename(dvips), dvi_file))
+ warning('Failed: %s %s ... looking for PDF' \
+ % (os.path.basename(dvips), dvi_file))
+ dvips_failed = True
# Extract resolution data for gs from the log file.
log_file = latex_file_re.sub(".log", latex_file)
if resolution > 150:
alpha = 2
+ gs_device = "png16m"
+ gs_ext = "png"
+ if output_format == "ppm":
+ gs_device = "pnmraw"
+ gs_ext = "ppm"
+
# Generate the bitmap images
- gs_call = '%s -dNOPAUSE -dBATCH -dSAFER -sDEVICE=pnmraw ' \
- '-sOutputFile="%s%%d.ppm" ' \
+ gs_call = '%s -dNOPAUSE -dBATCH -dSAFER -sDEVICE=%s ' \
+ '-sOutputFile="%s%%d.%s" ' \
'-dGraphicsAlphaBit=%d -dTextAlphaBits=%d ' \
'-r%f "%s"' \
- % (gs, latex_file_re.sub("", latex_file), \
- alpha, alpha, resolution, ps_file)
+ % (gs, gs_device, latex_file_re.sub("", latex_file), \
+ gs_ext, alpha, alpha, resolution, ps_file)
+
+ if dvips_failed:
+ gs_call = '%s -dNOPAUSE -dBATCH -dSAFER -sDEVICE=%s ' \
+ '-sOutputFile="%s%%d.%s" ' \
+ '-dGraphicsAlphaBit=%d -dTextAlphaBits=%d ' \
+ '-r%f "%s"' \
+ % (gs, gs_device, latex_file_re.sub("", latex_file), \
+ gs_ext, alpha, alpha, resolution, pdf_file)
gs_status, gs_stdout = run_command(gs_call)
if gs_status != None:
projects / lyx.git / blobdiff