From 89639705be473a39c6ff0eefb32edd8982a4bacb Mon Sep 17 00:00:00 2001
From: Fabrizio Oddone <fab@ixiacom.com>
Date: Mon, 23 Dec 2013 16:50:03 -0800
Subject: Add support for honoring svg image format preference in msc

---
 src/htmldocvisitor.cpp |  8 ++++++--
 src/msc.cpp            | 44 ++++++++++++++++++++++++++++++++++----------
 src/msc.h              |  6 ++++--
 3 files changed, 44 insertions(+), 14 deletions(-)

diff --git a/src/htmldocvisitor.cpp b/src/htmldocvisitor.cpp
index 815a16d..6ccbda4 100644
--- a/src/htmldocvisitor.cpp
+++ b/src/htmldocvisitor.cpp
@@ -2031,8 +2031,12 @@ void HtmlDocVisitor::writeMscFile(const QCString &fileName,
   }
   baseName.prepend("msc_");
   QCString outDir = Config_getString("HTML_OUTPUT");
-  writeMscGraphFromFile(fileName,outDir,baseName,MSC_BITMAP);
-  writeMscImageMapFromFile(m_t,fileName,outDir,relPath,baseName,context);
+  QCString imgExt = Config_getEnum("DOT_IMAGE_FORMAT");
+  MscOutputFormat mscFormat = MSC_BITMAP;
+  if ("svg" == imgExt)
+    mscFormat = MSC_SVG;
+  writeMscGraphFromFile(fileName,outDir,baseName,mscFormat);
+  writeMscImageMapFromFile(m_t,fileName,outDir,relPath,baseName,context,mscFormat);
 }
 
 void HtmlDocVisitor::writeDiaFile(const QCString &fileName,
diff --git a/src/msc.cpp b/src/msc.cpp
index 069bcdd..3592e76 100644
--- a/src/msc.cpp
+++ b/src/msc.cpp
@@ -103,15 +103,22 @@ void writeMscGraphFromFile(const char *inFile,const char *outDir,
   QCString mscExe = Config_getString("MSCGEN_PATH")+"mscgen"+portable_commandExtension();
   QCString mscArgs;
   QCString extension;
-  if (format==MSC_BITMAP)
+  switch (format)
   {
-    mscArgs+="-T png";
-    extension=".png";
-  }
-  else if (format==MSC_EPS)
-  {
-    mscArgs+="-T eps";
-    extension=".eps";
+    case MSC_BITMAP:
+      mscArgs+="-T png";
+      extension=".png";
+      break;
+    case MSC_EPS:
+      mscArgs+="-T eps";
+      extension=".eps";
+      break;
+    case MSC_SVG:
+      mscArgs+="-T svg";
+      extension=".svg";
+      break;
+    default:
+      goto error; // I am not very fond of goto statements, but when in Rome...
   }
   mscArgs+=" -i \"";
   mscArgs+=inFile;
@@ -188,11 +195,28 @@ void writeMscImageMapFromFile(FTextStream &t,const QCString &inFile,
                               const QCString &outDir,
                               const QCString &relPath,
                               const QCString &baseName,
-                              const QCString &context)
+                              const QCString &context,
+			      MscOutputFormat format
+ 			    )
 {
   QCString mapName = baseName+".map";
   QCString mapFile = inFile+".map";
-  t << "<img src=\"" << relPath << baseName << ".png\" alt=\""
+  t << "<img src=\"" << relPath << baseName << ".";
+  switch (format)
+  {
+    case MSC_BITMAP:
+      t << "png";
+      break;
+    case MSC_EPS:
+      t << "eps";
+      break;
+    case MSC_SVG:
+      t << "svg";
+      break;
+    default:
+      t << "unknown";
+  }
+  t << "\" alt=\""
     << baseName << "\" border=\"0\" usemap=\"#" << mapName << "\"/>" << endl;
   QCString imap = getMscImageMapFromFile(inFile,outDir,relPath,context);
   t << "<map name=\"" << mapName << "\" id=\"" << mapName << "\">" << imap << "</map>" << endl;
diff --git a/src/msc.h b/src/msc.h
index 711e3de..961f544 100644
--- a/src/msc.h
+++ b/src/msc.h
@@ -21,7 +21,7 @@
 class QCString;
 class FTextStream;
 
-enum MscOutputFormat { MSC_BITMAP , MSC_EPS };
+enum MscOutputFormat { MSC_BITMAP , MSC_EPS, MSC_SVG };
 
 void writeMscGraphFromFile(const char *inFile,const char *outDir,
                            const char *outFile,MscOutputFormat format);
@@ -31,7 +31,9 @@ QCString getMscImageMapFromFile(const QCString& inFile, const QCString& outDir,
 
 void writeMscImageMapFromFile(FTextStream &t,const QCString &inFile,
                               const QCString &outDir, const QCString &relPath,
-                              const QCString &baseName, const QCString &context);
+                              const QCString &baseName, const QCString &context,
+			      MscOutputFormat format
+ 			    );
 
 #endif
 
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