Re: [ROOT] How to save Graphical Objects Created from TRootEmbeddedCanvas?

From: Ilka Antcheva (Ilka.Antcheva@cern.ch)
Date: Mon Sep 29 2003 - 14:48:40 MEST 

Hi Zaldy,

Thanks for reporting this problem.
It is fixed now - take the latest cvs repository.

Best regards, Ilka

zaldy wrote:

> Dear All,
>
> How do we save a pad with objects in it that is created from
> TRootEmbeddedCanvas?
>
> For example the below lines come from pages 311-312 of Root Manual
> Ver3.05. When I save it with file extension .ps or .C, the errors below
> occur. Is saving mechanism of TRootEmbeddedCanvas different even if we use
> a pointer from TCanvas, fCanvas->SaveAs(prn_name) ?
>
> How to save then?
>
> Thank you.
> zaldy nawang
>
> //-------------------
> Warning in
> <TCanvas::ResizePad>: Ecanvs width changed from 32000 to 10
>
> Warning in <TCanvas::ResizePad>: Ecanvs height changed from 32000 to 10
>
> root [1] Warning in <TCanvas::ResizePad>: Ecanvs width changed from 32000
> to 10
>
> Warning in <TCanvas::ResizePad>: Ecanvs height changed from 32000 to 10
>
> Error in <RootX11ErrorHandler>: BadAlloc (insufficient resources for
> operation) (XID: 20971652, XREQ: 53)
> //--------------------
>
> void MyMainFrame::DoDraw()
> {
>     TCanvas * fCanvas = fEcanvas->GetCanvas();
>     fCanvas->cd();
>     char t[10];
>     char prn_name[20];
>     TText * txt = new TText();
>     txt->SetTextSize(1.);
>     txt->SetTextColor(2);
>     txt->SetTextAlign(22);
>
>     for(int i=0; i<100; i++) {
>      sprintf(t,"%d",i);
>      txt->DrawText(0.5,0.5,t);
>      fCanvas->Update();
>      sprintf(prn_name,"%d.C",i);
>      fCanvas->SaveAs(prn_name);
>      gSystem->Sleep(1000);
>      fCanvas->Clear();
>    }
> }
>
> --
>
> --------------------------------------------------------
>                    Zaldy A. Nawang
>                    PS Users Room 2
>                    Yon Gokan,
>                    E362, Neutrino Group,
>                    IPNS, KEK,
>                    Japan
>
>                    e-mail: zaldy@neutrino.kek.jp
>                    Tel. No. : (81) 029864 - 5387
> --------------------------------------------------------

This archive was generated by hypermail 2b29 : Thu Jan 01 2004 - 17:50:15 MET