The mother of all commits. :P

Unremoved zlib and added libpng to public libs (C'mon DW, make up your mind... ;^)
Added screenshot support to app_server
Added full keyboard message support to app_server
Added UseLibraryHeaders and LibraryHeaders rules to jamrules
Updated ColorUtils to convert uint32 colors to rgb_colors
BAppServerLink now autolocks client-server communications on the client side (as it should)
app_server now also juliennes and makes french fries. Yum.


git-svn-id: file:///srv/svn/repos/haiku/trunk/current@3045 a95241bf-73f2-0310-859d-f6bbb57e9c96

src/servers/app/server/ScreenDriver.cpp

@@ -43,6 +43,7 @@
 #include <string.h>
 #include <String.h>
 #include <math.h>
+#include "PNGDump.h"
 
 #define CLIP_X(a) ( (a < 0) ? 0 : ((a > fbuffer->gcinfo.width-1) ? \
 			fbuffer->gcinfo.width-1 : a) )
@@ -1589,6 +1590,20 @@ void ScreenDriver::SetCursor(ServerCursor *csr)
 	_Unlock();
 }
 
+
+/*!
+	\brief Dumps the contents of the frame buffer to a file.
+	\param path Path and leaf of the file to be created without an extension
+	\return False if unimplemented or unsuccessful. True if otherwise.
+	
+	Subclasses should add an extension based on what kind of file is saved
+*/
+bool ScreenDriver::DumpToFile(const char *path)
+{
+	// TODO: implement calling SaveToPNG
+	return false;
+}
+
 void ScreenDriver::HLine(int32 x1, int32 x2, int32 y, RGBColor color)
 {
 // TODO: make this work with HW Acceleration, if possible