[gui] add BMP to canvas saveas options, and update docu

Author: ferdymercury

gui/gui/src/HelpText.cxx

@@ -236,7 +236,6 @@ you can create as before the following graphics objects:\n\
   TCutG *cut = (TCutG*)gPad->FindObject(\"CUTG\").\n\n\
   ";
 
-
 const char gHelpPullDownMenus[] = "\
 Each canvas has a menu bar with the following items:\n\
 \"File\" with the items:\n\
@@ -251,6 +250,9 @@ Each canvas has a menu bar with the following items:\n\
         <name.svg >   makes a SVG file\n\
         <name.tex >   makes a TeX file\n\
         <name.gif >   makes a GIF file\n\
+        <name.jpg >   makes a JPEG file\n\
+        <name.png >   makes a PNG file\n\
+        <name.bmp >   makes a BMP file\n\
         <name.C   >   generates a C++ macro to reproduce the canvas\n\
         <name.root>   saves canvas objects in a Root file\n\
      <Save As...  >   brings up the Save As... dialog\n\
@@ -265,7 +267,7 @@ Each canvas has a menu bar with the following items:\n\
            <Canvas>   clears this canvas.\n\
      <Undo >          not implemented\n\
      <Redo >          not implemented\n\n"
-"\"View\" with the items:\n\
+                                  "\"View\" with the items:\n\
      <Editor      >   toggles the pad editor\n\
      <Toolbar     >   toggles the tool bar\n\
      <Event Status>   toggles the event status bar that shows the identification\n\
@@ -298,7 +300,6 @@ by clicking with the right mouse button in the regions closed to the canvas \n\
 borders. This will display a menu to perform operations on a canvas.\n\n\
 ";
 
-
 const char gHelpCanvas[] = "\
 A canvas (see TCanvas) is a top level pad (See TPad).\n\
 A pad is a linked list of primitives of any type (graphics objects,\n\

gui/gui/src/TRootCanvas.cxx

@@ -87,6 +87,7 @@ enum ERootCanvasCommands {
    kFileSaveAsGIF,
    kFileSaveAsJPG,
    kFileSaveAsPNG,
+   kFileSaveAsBMP,
    kFileSaveAsTEX,
    kFilePrint,
    kFileCloseCanvas,
@@ -158,7 +159,7 @@ enum ERootCanvasCommands {
    kToolCutG
 
 };
-
+// clang-format off
 static const char *gOpenTypes[] = { "ROOT files",   "*.root",
                                     "All files",    "*",
                                     0,              0 };
@@ -171,6 +172,7 @@ static const char *gSaveAsTypes[] = { "PDF",          "*.pdf",
                                       "PNG",          "*.png",
                                       "JPEG",         "*.jpg",
                                       "GIF",          "*.gif",
+                                      "BMP",          "*.bmp",
                                       "ROOT macros",  "*.C",
                                       "ROOT files",   "*.root",
                                       "XML",          "*.xml",
@@ -215,6 +217,7 @@ static ToolBarData_t gToolBarData1[] = {
    { "cut.xpm",        "Graphical Cut",    kFALSE,    kToolCutG,       0 },
    { 0,                0,                  kFALSE,    0,               0 }
 };
+// clang-format on
 
 //////////////////////////////////////////////////////////////////////////
 //                                                                      //
@@ -360,6 +363,7 @@ void TRootCanvas::CreateCanvas(const char *name)
    if (img > 0) {
       fFileSaveMenu->AddEntry(Form("%s.&jpg",name),  kFileSaveAsJPG);
       fFileSaveMenu->AddEntry(Form("%s.&png",name),  kFileSaveAsPNG);
+      fFileSaveMenu->AddEntry(Form("%s.&bmp", name), kFileSaveAsBMP);
    }
 
    fFileSaveMenu->AddEntry(Form("%s.&C",   name), kFileSaveAsC);
@@ -880,6 +884,7 @@ Bool_t TRootCanvas::ProcessMessage(Longptr_t msg, Longptr_t parm1, Longptr_t)
                         Bool_t  appendedType = kFALSE;
                         TString fn = fi.fFilename;
                         TString ft = fi.fFileTypes[fi.fFileTypeIdx+1];
+                        // clang-format off
                         dir     = fi.fIniDir;
                         typeidx = fi.fFileTypeIdx;
                         overwr  = fi.fOverwrite;
@@ -891,6 +896,7 @@ Bool_t TRootCanvas::ProcessMessage(Longptr_t msg, Longptr_t parm1, Longptr_t)
                             fn.EndsWith(".svg")  ||
                             fn.EndsWith(".tex")  ||
                             fn.EndsWith(".gif")  ||
+                            fn.EndsWith(".bmp")  ||
                             fn.EndsWith(".xml")  ||
                             fn.EndsWith(".xpm")  ||
                             fn.EndsWith(".jpg")  ||
@@ -910,16 +916,17 @@ Bool_t TRootCanvas::ProcessMessage(Longptr_t msg, Longptr_t parm1, Longptr_t)
                            }
                            Warning("ProcessMessage", "file %s cannot be saved with this extension", fi.fFilename);
                         }
-                        for (int i=1;gSaveAsTypes[i];i+=2) {
+                        for (int i = 1; gSaveAsTypes[i]; i += 2) {
                            TString ftype = gSaveAsTypes[i];
                            ftype.ReplaceAll("*.", ".");
                            if (fn.EndsWith(ftype.Data())) {
-                              typeidx = i-1;
+                              typeidx = i - 1;
                               break;
                            }
                         }
                      }
                      break;
+                     // clang-format on
                   case kFileSaveAsRoot:
                      fCanvas->SaveAs(".root");
                      break;
@@ -944,6 +951,7 @@ Bool_t TRootCanvas::ProcessMessage(Longptr_t msg, Longptr_t parm1, Longptr_t)
                   case kFileSaveAsPNG:
                      fCanvas->SaveAs(".png");
                      break;
+                  case kFileSaveAsBMP: fCanvas->SaveAs(".bmp"); break;
                   case kFileSaveAsTEX:
                      fCanvas->SaveAs(".tex");
                      break;