Add virtual to a lot of the destructors. Note: perhaps it will have to be reverted for some files to keep them C-compatible.

(bzr r4024)

4 files changed, 5 insertions, 5 deletions

diff --git a/src/extension/internal/cairo-render-context.h b/src/extension/internal/cairo-render-context.h
index 424764358..dc1592a81 100644
--- a/src/extension/internal/cairo-render-context.h
+++ b/src/extension/internal/cairo-render-context.h
@@ -135,7 +135,7 @@ public:
 
 protected:
     CairoRenderContext(CairoRenderer *renderer);
-    ~CairoRenderContext(void);
+    virtual ~CairoRenderContext(void);
     
     float _width;
     float _height;
diff --git a/src/extension/internal/cairo-renderer.h b/src/extension/internal/cairo-renderer.h
index 7ce30b9ec..6cb810bfe 100644
--- a/src/extension/internal/cairo-renderer.h
+++ b/src/extension/internal/cairo-renderer.h
@@ -42,7 +42,7 @@ class CairoRenderContext;
 class CairoRenderer {
 public:
     CairoRenderer(void);
-    ~CairoRenderer(void);
+    virtual ~CairoRenderer(void);
     
     CairoRenderContext *createContext(void);
     void destroyContext(CairoRenderContext *ctx);
diff --git a/src/extension/internal/pdfinput/pdf-parser.h b/src/extension/internal/pdfinput/pdf-parser.h
index a40532fca..21effe81d 100644
--- a/src/extension/internal/pdfinput/pdf-parser.h
+++ b/src/extension/internal/pdfinput/pdf-parser.h
@@ -109,7 +109,7 @@ class ClipHistoryEntry {
 public:
 
     ClipHistoryEntry(GfxPath *clipPath=NULL, GfxClipType clipType=clipNormal);
-    ~ClipHistoryEntry();
+    virtual ~ClipHistoryEntry();
 
     // Manipulate clip path stack
     ClipHistoryEntry *save();
@@ -156,7 +156,7 @@ public:
   PdfParser(XRef *xrefA, Inkscape::Extension::Internal::SvgBuilder *builderA,
             Dict *resDict, PDFRectangle *box);
 
-  ~PdfParser();
+  virtual ~PdfParser();
 
   // Interpret a stream or array of streams.
   void parse(Object *obj, GBool topLevel = gTrue);
diff --git a/src/extension/internal/pdfinput/svg-builder.h b/src/extension/internal/pdfinput/svg-builder.h
index 50ac3bb23..4a57d5bb9 100644
--- a/src/extension/internal/pdfinput/svg-builder.h
+++ b/src/extension/internal/pdfinput/svg-builder.h
@@ -97,7 +97,7 @@ class SvgBuilder {
 public:
     SvgBuilder(SPDocument *document, gchar *docname, XRef *xref);
     SvgBuilder(SvgBuilder *parent, Inkscape::XML::Node *root);
-    ~SvgBuilder();
+    virtual ~SvgBuilder();
 
     // Property setting
     void setDocumentSize(double width, double height);  // Document size in px