mechanism which does not involve rlibmap anymore but
rootcling instead.
Basically all the calls to the macro calling rlibmap have been
removed.

Signed-off-by: Danilo Piparo <danilo.piparo@cern.ch>
Signed-off-by: Fons Rademakers <Fons.Rademakers@cern.ch>

which happens through rootcling and not anymore through rlibmap.

Signed-off-by: Danilo Piparo <danilo.piparo@cern.ch>
Signed-off-by: Fons Rademakers <Fons.Rademakers@cern.ch>

It doesn't use anymore the TGX11 function RequestString.
Now the text appears directly as it will show and it is possible to enter several text string.
The input is not block in the RequestString event loop.

Mods to make stressGraphics work with Cling. But, because of a clang optimisation issue it is very slow.
The number of ROOTMARKS reported on an iMAc is 265.3 instead of 2260.1 with v5.34.

gApplication->InitializeGraphics must be called after loading the Gpad library
(but *not* during the loading itself, as it need the dictionary to be fully
loaded).  Previously it was called from gSystem->Load.  Before this commit, it
was not called when the library is loaded in reaction to a missing symbol, i.e.
at 'JIT link time', by NotifyLazyFunctionCreators which calls TCling's
autoloadCallback which does *not* call InitializeGraphics.

Adding InitializeGraphics to TCling's autoloadCallback is not a viable solution
since it is being called during the 'link-phase' of the code generation (aka at
the end of llvm::JIT::getPointerToFunction) and because the JIT is not
re-entrant (it has an explicit assert against it: "Error: Recursive compilation
detected!") *and* because InitializeGraphics must load the plugin scripts ...
which means compiling.

So instead we delay the call to InitializeGraphics until TCanvas::init (and if
find other places that needs it, we will put it there too).

TPad::SaveAs produces named macros in .C files. This improves the stressGraphics execution: it works until test #15.

Replace all occurrences of strlen(x) == 0 with !x[0] which is far cheaper for long strings.

git-svn-id: http://root.cern.ch/svn/root/trunk@48605 27541ba8-7e3a-0410-8455-c3a389f83636

Correct the code guard (so that it is *not* the same as another header file!) and add copyright banner


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  using namespace std;
from Riostream.h, which has huge consequences for all of ROOT.
Riostream.h is now a simple wrapper for fstream, iostream, iomanip for backward compatibility; Riosfwd.h simply wraps iosfwd.

Because of templates and their inline functions, Riostream.h needed to be included in headers, too (e.g. TParameter.h), which violated the assumption that Riostream.h is not exposing its using namespace std to headers.
ROOT now requires R__ANSISTREAM, R__SSTREAM, which does not change the set of supported compilers.

Without "using namespace std", several identifiers are now prefixed by std::; e.g. roofit/* source files now have a using namespace std to keep their coding style.
TFile::MakeProject() now generates "using namespace std" to convert the CINT-style class names into C++ ones.


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MacOS X native Cocoa/Quartz based backend. To build this version do:
   ./configure --enable-cocoa
Code is still rough but will be refined quickly for the May release.


git-svn-id: http://root.cern.ch/svn/root/trunk@43719 27541ba8-7e3a-0410-8455-c3a389f83636

TPad::Print always use TImageDump to print gif, png and jpeg files, in interactive and batch mode (previously it was used in the batch case only). This allows to generate output transparent colors in these formats even in interactive mode. The generation of gif, png and jpeg files from the graphics window in interactive mode is kept for OpenGL canvases.


git-svn-id: http://root.cern.ch/svn/root/trunk@43557 27541ba8-7e3a-0410-8455-c3a389f83636

New method DivideSquare a canvas in to  n sub-pads. The number of sub-pads along the X and Y axis are computed according to the square root of n.


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canvas name.


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- Reformat the comments according to the ROOT coding conventions.


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