From fe450c850c60a3087042ed74b4572798845fe6e1 Mon Sep 17 00:00:00 2001
From: =?utf8?q?Uwe=20St=C3=B6hr?= <uwestoehr@lyx.org>
Date: Wed, 2 Dec 2015 00:47:05 +0100
Subject: [PATCH] installer: add up to date check for inkscape

 also fine-tune the conversion of wmf/emf images
---
 .../packaging/installer/include/detection.nsh     | 12 ++++++++++--
 .../Win32/packaging/installer/setup/configure.nsh | 15 +++++++++------
 2 files changed, 19 insertions(+), 8 deletions(-)

diff --git a/development/Win32/packaging/installer/include/detection.nsh b/development/Win32/packaging/installer/include/detection.nsh
index b0d09b3b5e..b0d4be742f 100644
--- a/development/Win32/packaging/installer/include/detection.nsh
+++ b/development/Win32/packaging/installer/include/detection.nsh
@@ -162,8 +162,16 @@ Function MissingPrograms
   ${endif}
   
   # test if Inkscape is installed
-  ReadRegStr $SVGPath HKLM "Software\Microsoft\Windows\CurrentVersion\Uninstall\Inkscape" "InstallLocation"
-  
+  ReadRegStr $SVGPath HKLM "SOFTWARE\Classes\inkscape.svg\DefaultIcon" ""
+  ${if} $SVGPath != ""
+   StrCpy $SVGPath $SVGPath "" 1 # remove the leading quote
+   StrCpy $SVGPath $SVGPath -14 # # delete '\inkscape.exe"'
+  ${endif}
+  ${if} $SVGPath == ""
+   # this was used before Inkscape 0.91:
+   ReadRegStr $SVGPath HKLM "Software\Microsoft\Windows\CurrentVersion\Uninstall\Inkscape" "InstallLocation"
+  ${endif}
+
   # test if Gnumeric is installed
   ReadRegStr $0 HKLM "Software\Classes\Applications\gnumeric.exe\shell\Open\command" ""
   ${if} $0 != ""
diff --git a/development/Win32/packaging/installer/setup/configure.nsh b/development/Win32/packaging/installer/setup/configure.nsh
index 10410ef619..3b5a152368 100644
--- a/development/Win32/packaging/installer/setup/configure.nsh
+++ b/development/Win32/packaging/installer/setup/configure.nsh
@@ -168,14 +168,17 @@ Section -Configure
 		 \format "pdf2" "pdf" "PDF (pdflatex)" "F" "pdfview" "" "document,vector,menu=export" "application/pdf"$\r$\n\
 		 \format "pdf" "pdf" "PDF (ps2pdf)" "P" "pdfview" "" "document,vector,menu=export" "application/pdf"$\r$\n'
 
-  # for the wmf image type we need to specify a resolution for the converter
-  # otherwise 1024 dpi are used and eps2pdf takes ages
-  # 300 dpi are a good compromise for speed and size
-  FileWrite $R1 '\converter "wmf" "eps" "convert -density 300 $$$$i $$$$o" ""$\r$\n'
+  # if Inkscape is not available Imagemagick will be used to convert WMF/EMF files
+  # We need to specify a resolution for the converter otherwise 1024 dpi are used and
+  # eps2pdf takes ages. 300 dpi are a good compromise for speed and size.
+  ${if} $SVGPath == ""
+   FileWrite $R1 '\converter "wmf" "eps" "convert -density 300 $$$$i $$$$o" ""$\r$\n\
+         \converter "emf" "eps" "convert -density 300 $$$$i $$$$o" ""$\r$\n'
+  ${endif}
   
   # if LilyPondPath was found
-  # we need to add these entris because python scripts can only be executed
-  # if the full path is given
+  # We need to add these entris because python scripts can only be executed
+  # if the full path is given.
   ${if} $LilyPondPath != ""
    FileWrite $R1 '\format "lilypond-book" "lytex" "LilyPond book (LaTeX)" "" "" "auto" "document,menu=export" ""$\r$\n\
 		  \converter "lilypond-book" "pdflatex" "python \"$LilyPondPath\\lilypond-book.py\" --safe --pdf --latex-program=pdflatex --lily-output-dir=ly-pdf $$$$i" ""$\r$\n\
-- 
2.39.2