shige 04/30 2020 ---------------- I send a patch to reuse images at 2020-03-03: | shige 03/03 2020 | ---------------- | | "Jacques B. Siboni" wrote: | | -- When recompiling solely the slave, all of the 1000 master images are moved to | | .old, and the new ones are inserted as imgxxx.gif | | This may be a bug of latex2html-2018.3 or later. L2h of such | versions do not write image size info 'WIDTH="nnn" HEIGHT="nnn"' | in the IMG tag for equations. However, because l2h uses the size | info to decide to reuse images in process_undefined_environment(), | it can't reuse images made at previous compilation. | | To workaround the problem, to use latex2html-2018.2 or earlier, | or to apply the following patch: | | ----- From here ----- | --- latex2html.pin.ORG 2019-12-29 21:03:41.052544000 +0900 | +++ latex2html.pin 2020-03-03 11:39:41.900813000 +0900 | @@ -3567,10 +3567,14 @@ | # } | # quotes will not be there with HTML 2.0 | $size =~ s/\"//g if ($HTML_VERSION < 2.2); | - if ($size && /\s$size\s/) { | + # if ($size && /\s$size\s/) { | + # 2020-03-03 shige: | + if ($size && /;$size$/) { | # Size is OK; recycle it! | ++$global_page_num; | $_ = $cached ; # ...perhaps restoring the desired size. | + # 2020-03-03 shige: | + s/;$size$//; | s/(${PREFIX}T?img)\d+\.($IMAGE_TYPE|html)/ | &rename_html($&,"$1$global_page_num.$2")/geo; | } else { | @@ -3924,6 +3928,8 @@ | sub make_images { | local($name, $contents, $raw_contents, $uucontents, $page_num, | $uucontents, %page_map, $img); | + # 2020-03-03 shige: | + local $imgsize; | # It is necessary to run LaTeX this early because we need the log file | # which contains information used to determine equation alignment | if ( $latex_body =~ /newpage/) { | @@ -4021,7 +4027,9 @@ | $contents = $latex_body{$name}; | if ($page_num =~ /^\d+\#\d+$/) { # If it is a page number | do { # Extract the page, convert and save it | - $img = &extract_image($page_num,$orig_name_map{$page_num}); | + # $img = &extract_image($page_num,$orig_name_map{$page_num}); | + # 2020-03-03 shige: | + ($img, $imgsize) = &extract_image($page_num,$orig_name_map{$page_num}); | if ($contents =~ /$htmlimage_rx/) { | $uucontents = &special_encoding($env,$2,$contents); | } elsif ($contents =~ /$htmlimage_pr_rx/) { | @@ -4031,6 +4039,8 @@ | } | if (($HTML_VERSION >=3.2)||!($contents=~/$order_sensitive_rx/)){ | $cached_env_img{$uucontents} = $img; | + # 2020-03-03 shige: | + if ($imgsize) { $cached_env_img{$uucontents} .= ";$imgsize"; } | } else { | # Blow it away so it is not saved for next time | delete $cached_env_img{$uucontents}; | @@ -10271,7 +10281,9 @@ | $result .= ">"; | # } | } | - join('',$anch1, $result, $anch2); | + # join('',$anch1, $result, $anch2); | + # 2020-03-03 shige: | + (join('',$anch1, $result, $anch2), $imagesize); | } | | # MRO: added PNG support | ----- To here -----
I found that we have to modify styles/graphics-support.perl to include PNG image (not EPS) by \includegraphics together with above patch as followings: ----- From here ----- --- styles/graphics-support.perl.ORG 2020-04-30 09:43:32.871410000 +0900 +++ styles/graphics-support.perl 2020-04-30 09:42:17.350389000 +0900 @@ -342,8 +342,13 @@ (L2hos->Copy($src,$dst) or # Would be nice to preserve timestamps, too. &write_warnings("\\includegraphics couldn't copy $src to tree: $!\n")) unless (-f $dst) && (-M $dst < -M $src); - join('',embed_image($dst,'web image',0,"Image $name", '','','','','', - qq(WIDTH="$w" HEIGHT="$h")),$save); } + # join('',embed_image($dst,'web image',0,"Image $name", '','','','','', + # qq(WIDTH="$w" HEIGHT="$h")),$save); } + # 2020-04-28 shige: 2-45) + my ($img, $imgsize) = embed_image($dst,'web image',0,"Image $name", + '','','','','', + qq(WIDTH="$w" HEIGHT="$h")); + join('',$img,$save); } # -------------------------------------------------- # Complicated case: but if netpbm utilities are not available... elsif ($ALWAYS_USE_LATEX) { @@ -439,8 +444,13 @@ print "\ngraphics: $pipe\n" if ($VERBOSITY > 1); system($pipe)==0 || &write_warnings("\\includegraphics processing of $src failed! $!"); - $img = embed_image($dst,'web image',0,"Image $name", '','','','','', - qq(WIDTH="$w" HEIGHT="$h")); + # $img = embed_image($dst,'web image',0,"Image $name", '','','','','', + # qq(WIDTH="$w" HEIGHT="$h")); + # 2020-04-28 shige: 2-45) + my $imgsize; + ($img, $imgsize) = embed_image($dst,'web image',0,"Image $name", + '','','','','', + qq(WIDTH="$w" HEIGHT="$h")); $cached_env_img{$cacheid}=$img; } join('',$img,$save); } # end of 'pipe through netpbm utilities' ----- To here ----- +========================================================+ Shigeharu TAKENO NIigata Institute of Technology kashiwazaki,Niigata 945-1195 JAPAN sh...@iee.niit.ac.jp TEL(&FAX): +81-257-22-8161 +========================================================+ _______________________________________________ latex2html mailing list latex2html@tug.org https://tug.org/mailman/listinfo/latex2html