Rename and document TransImageGetter::getPixelsRW() to make it more obvious
that it bypasses the normal conversion logic.


git-svn-id: svn://svn.code.sf.net/p/tigervnc/code/trunk@4754 3789f03b-4d11-0410-bbf8-ca57d06f2519
diff --git a/common/rfb/TransImageGetter.h b/common/rfb/TransImageGetter.h
index 8fde743..1ad49b7 100644
--- a/common/rfb/TransImageGetter.h
+++ b/common/rfb/TransImageGetter.h
@@ -72,7 +72,11 @@
     // padding will be outStride-r.width() pixels).
     void getImage(void* outPtr, const Rect& r, int outStride=0);
 
-    rdr::U8 *getPixelsRW(const Rect &r, int *stride);
+    // getRawPixelsRW() gets the given rectangle of data directly from the
+    // underlying PixelBuffer, bypassing the translation logic. Only use
+    // this when doing something that's independent of the client's pixel
+    // format.
+    rdr::U8 *getRawPixelsRW(const Rect &r, int *stride);
 
     // setPixelBuffer() changes the pixel buffer to be used.  The new pixel
     // buffer MUST have the same pixel format as the old one - if not you