From 492182feae223b5efe9cbe13d4ec5a5f08ab1a61 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Andr=C3=A9=20P=C3=B6nitz?= <poenitz@gmx.net>
Date: Thu, 27 Jun 2002 10:42:51 +0000
Subject: [PATCH] move the preview conversion stuff into an external script

git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@4494 a592a061-630c-0410-9148-cb99ea01b6c8
---
 lib/ChangeLog                 |  6 ++++++
 lib/configure.m4              | 10 ++++++++++
 lib/scripts/lyxpreview2xpm.sh | 14 ++++++++++++++
 3 files changed, 30 insertions(+)
 create mode 100755 lib/scripts/lyxpreview2xpm.sh

diff --git a/lib/ChangeLog b/lib/ChangeLog
index df95775cdc..91d5db2917 100644
--- a/lib/ChangeLog
+++ b/lib/ChangeLog
@@ -1,4 +1,10 @@
 
+2002-06-27  André Pönitz <poenitz@gmx.net>
+	
+	* configure.m4: add support for lyxpreview "format"
+
+	* scripts/lyxpreview2xpm: add file
+
 2002-06-25  André Pönitz <poenitz@gmx.net>
 
 	* symbols: special characters
diff --git a/lib/configure.m4 b/lib/configure.m4
index 7a643bc35a..35bd894fe5 100644
--- a/lib/configure.m4
+++ b/lib/configure.m4
@@ -254,6 +254,9 @@ SEARCH_PROG([for a DVI previewer],DVI_VIEWER, xdvi windvi yap)
 # Search something to preview html
 SEARCH_PROG([for a HTML previewer],HTML_VIEWER, netscape)
 
+# Search for a program to preview latex code
+SEARCH_PROG([for a LaTeX preview],LATEX_VIEWER, "xterm -e less")
+
 # Search for a program to convert ps to pdf
 SEARCH_PROG([for a PS to PDF converter],ps_to_pdf_command,ps2pdf)
 test $ps_to_pdf_command = "ps2pdf" && ps_to_pdf_command="ps2pdf \$\$i"
@@ -266,6 +269,10 @@ test $dvi_to_ps_command = "dvips" && dvi_to_ps_command="dvips -o \$\$o \$\$i"
 SEARCH_PROG([for a DVI to PDF converter],dvi_to_pdf_command,dvipdfm)
 test $dvi_to_pdf_command = "dvipdfm" && dvi_to_pdf_command="dvipdfm \$\$i"
 
+# Search for a program to convert previewlyx to eps
+SEARCH_PROG([for a LyX preview converter],lyxpreview_to_xpm_command,lyxpreview2xpm.sh)
+test $lyxpreview_to_xpm_command = "lyxpreview2xpm.sh" && lyxpreview_to_xpm_command="lyxpreview2xpm.sh \$\$i \$\$o"
+
 # Search a *roff program (used to translate tables in ASCII export)
 LYXRC_PROG([for a *roff formatter], \ascii_roff_command, dnl
   'groff -t -Tlatin1 $$FName' nroff,dnl
@@ -445,6 +452,7 @@ cat >$outfile <<EOF
 \\Format tiff     tif	TIFF		""
 \\Format word	  doc	Word		W
 \\Format xpm	  xpm	XPM		""
+\\Format lyxpreview	  lyxpreview	LYXPREVIEW		""
 
 \\converter latex dvi "$latex_to_dvi" "latex"
 \\converter latex pdf2 "$latex_to_pdf" "latex"
@@ -460,6 +468,7 @@ cat >$outfile <<EOF
 \\converter linuxdoc html "$linuxdoc_to_html_command" ""
 \\converter docbook dvi "$docbook_to_dvi_command" ""
 \\converter docbook html "$docbook_to_html_command" ""
+\\converter lyxpreview xpm "$lyxpreview_to_xpm_command" ""
 
 \\converter latex lyx "$tex_to_lyx_command" ""
 \\converter literate lyx "$literate_to_lyx_command" ""
@@ -471,6 +480,7 @@ cat >$outfile <<EOF
 \\viewer pdf "$PDF_VIEWER"
 \\viewer ps "$GHOSTVIEW -swap"
 \\viewer eps "$GHOSTVIEW"
+\\viewer latex "$LATEX_VIEWER"
 
 $rc_entries
 \\font_encoding "$chk_fontenc"
diff --git a/lib/scripts/lyxpreview2xpm.sh b/lib/scripts/lyxpreview2xpm.sh
new file mode 100755
index 0000000000..0da3aad555
--- /dev/null
+++ b/lib/scripts/lyxpreview2xpm.sh
@@ -0,0 +1,14 @@
+#!/bin/bash
+
+# converts a single inset's TeX representation to an .xpm
+
+dir=`dirname $2`
+base=${dir}/`basename $2 .xpm`
+
+cp $1 ${base}.tex 
+(cd ${dir} ; pdflatex --interaction batchmode ${base}.tex) 
+dvips -x 2000 -R -E -o ${base}.eps ${base}.dvi 
+convert ${base}.eps ${base}.xpm 
+rm ${base}.tex ${base}.aux ${base}.dvi ${base}.log ${base}.eps || true
+
+exit 0