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1/// \file
2/// \ingroup tutorial_gui
3/// This utility macro executes the macro "macro" given as first argument and save a capture in a png file.
4/// This macro is used by stressGUI to execute and compare the output of the GUI tutorials.
6/// \macro_code
8/// \author Bertrand Bellenot
10#include "TSystem.h"
11#include "TString.h"
12#include "TGClient.h"
13#include "TGWindow.h"
14#include "TClass.h"
15#include "THashList.h"
16#include "TROOT.h"
17#include "TInterpreter.h"
18#include "TEnv.h"
19#include "TVirtualX.h"
20#include "TImage.h"
23Int_t exec_macro(const char *macro, Bool_t comp = kFALSE, Bool_t save = kTRUE)
26 enum EErrorCodes {
28 kScriptDirNotFound,
29 kCannotRunScript,
30 kNumErrorCodes
31 };
33 if (gROOT->IsBatch() || !(gClient))
34 return kCannotRunScript;
35 TString pwd(gSystem->pwd());
36 if (!gSystem->cd(gSystem->GetDirName(macro)))
37 return kScriptDirNotFound;
38 Int_t err = 0;
39 TString cmd(".x ");
40 cmd += gSystem->BaseName(macro);
41 if (comp) cmd += "+";
42 gVirtualX->Sync(1);
43 gROOT->ProcessLine(cmd, &err);
44 if (err != TInterpreter::kNoError)
45 return kCannotRunScript;
46 gSystem->cd(pwd);
48 UInt_t nMainFrames = 0;
49 TClass* clGMainFrame = TClass::GetClass("TGMainFrame");
50 TGWindow* win = 0;
51 TIter iWin(gClient->GetListOfWindows());
52 while ((win = (TGWindow*)iWin())) {
53 const TObject* winGetParent = win->GetParent();
54 Bool_t winIsMapped = kFALSE;
55 if (winGetParent == gClient->GetDefaultRoot())
56 winIsMapped = kTRUE;//win->IsMapped();
57 if (winIsMapped && win->InheritsFrom(clGMainFrame)) {
58 win->MapRaised();
59 if (save) {
60 TString outfile = gSystem->BaseName(macro);
61 outfile.ReplaceAll(".C", TString::Format("_%d.png",
62 ++nMainFrames));
63 TImage *img = TImage::Create();
64 win->RaiseWindow();
65 img->FromWindow(win->GetId());
66 img->WriteImage(outfile.Data());
67 delete img;
68 }
69 }
70 }
71 if (!gEnv->GetValue("X11.Sync", 0))
72 gVirtualX->Sync(0);
73 return kSuccess;
int Int_t
Definition: RtypesCore.h:45
unsigned int UInt_t
Definition: RtypesCore.h:46
const Bool_t kFALSE
Definition: RtypesCore.h:92
bool Bool_t
Definition: RtypesCore.h:63
const Bool_t kTRUE
Definition: RtypesCore.h:91
R__EXTERN TEnv * gEnv
Definition: TEnv.h:171
#define gClient
Definition: TGClient.h:166
#define gROOT
Definition: TROOT.h:406
R__EXTERN TSystem * gSystem
Definition: TSystem.h:559
#define gVirtualX
Definition: TVirtualX.h:338
TClass instances represent classes, structs and namespaces in the ROOT type system.
Definition: TClass.h:80
static TClass * GetClass(const char *name, Bool_t load=kTRUE, Bool_t silent=kFALSE)
Static method returning pointer to TClass of the specified class name.
Definition: TClass.cxx:2957
virtual Int_t GetValue(const char *name, Int_t dflt) const
Returns the integer value for a resource.
Definition: TEnv.cxx:491
Handle_t GetId() const
Definition: TGObject.h:47
virtual void MapRaised()
map raised
Definition: TGWindow.cxx:175
const TGWindow * GetParent() const
Definition: TGWindow.h:84
virtual void RaiseWindow()
raise window
Definition: TGWindow.cxx:207
An abstract interface to image processing library.
Definition: TImage.h:29
static TImage * Create()
Create an image.
Definition: TImage.cxx:35
virtual void FromWindow(Drawable_t, Int_t=0, Int_t=0, UInt_t=0, UInt_t=0)
Definition: TImage.h:244
virtual void WriteImage(const char *, EImageFileTypes=TImage::kUnknown)
Definition: TImage.h:115
Mother of all ROOT objects.
Definition: TObject.h:37
virtual Bool_t InheritsFrom(const char *classname) const
Returns kTRUE if object inherits from class "classname".
Definition: TObject.cxx:445
Basic string class.
Definition: TString.h:136
const char * Data() const
Definition: TString.h:369
TString & ReplaceAll(const TString &s1, const TString &s2)
Definition: TString.h:692
static TString Format(const char *fmt,...)
Static method which formats a string using a printf style format descriptor and return a TString.
Definition: TString.cxx:2331
Bool_t cd(const char *path)
Definition: TSystem.h:421
const char * pwd()
Definition: TSystem.h:422
virtual const char * BaseName(const char *pathname)
Base name of a file name. Base name of /user/root is root.
Definition: TSystem.cxx:933
virtual TString GetDirName(const char *pathname)
Return the directory name in pathname.
Definition: TSystem.cxx:1030