Make it possible to query a PixelTransformer for the formats it is converting
between.


git-svn-id: svn://svn.code.sf.net/p/tigervnc/code/trunk@4591 3789f03b-4d11-0410-bbf8-ca57d06f2519
diff --git a/common/rfb/PixelTransformer.h b/common/rfb/PixelTransformer.h
index b5ba8c0..54b05a5 100644
--- a/common/rfb/PixelTransformer.h
+++ b/common/rfb/PixelTransformer.h
@@ -54,6 +54,12 @@
               const PixelFormat& outPF, ColourCube* cube = NULL,
               setCMFnType cmCallback = NULL, void *cbData = NULL);
 
+    const PixelFormat &getInPF() const;
+    const ColourMap *getInColourMap() const;
+
+    const PixelFormat &getOutPF() const;
+    const ColourCube *getOutColourCube() const;
+
     // setColourMapEntries() is called when the colour map specified to init()
     // has changed.  firstColour and nColours specify which part of the
     // colour map has changed.  If nColours is 0, this means the rest of the