Thank you Klaas and Süleyman
I have tried both of ways that you mentioned before, but they don't have any
effect.
I tried to share the loaded font but I don't know why function
a2dFontFreetypeData::SetFilename called again when I trying to new an a2dText,
and report me error at this line :
error = FT_New_Face( g_freetypeLibrary, fname.mb_str(), m_faceindex, &m_face );
   if ( error )
   {
       a2dGeneralGlobals->ReportErrorF( a2dError_FileCouldNotOpen, _( "file %s
contains wrong font" ), m_filename.c_str() );
       m_face = NULL;
       return;
   }
In the error message the font name and also the path are correct. I attached a
very simple example of this problem. In my actual program I have a console that
writes FT_Stream_Open: could not open file : 'C:\Windows\Fonts\arial.ttf'.
Interesting part is it works for lower number of instances.
Thank you again.
Cheers,
Hojjat.
#include "a2dprec.h"
#ifdef __BORLANDC__
#pragma hdrstop
#endif
#ifndef WX_PRECOMP
#include "wx/wx.h"
#endif
#include <wx/canvas/canvas.h>
#include <wx/aggdrawer/aggdrawer.h>
//----------------------------------------------------------------------------
// MyFrame
//----------------------------------------------------------------------------
class MyFrame: public wxFrame
{
public:
MyFrame( wxWindow* parent, wxWindowID id, const wxString& title,
const wxPoint& pos = wxDefaultPosition,
const wxSize& size = wxDefaultSize,
long style = wxDEFAULT_FRAME_STYLE );
private:
private:
a2dCanvas* m_canvas;
private:
};
//----------------------------------------------------------------------------
// MyApp
//----------------------------------------------------------------------------
class MyApp: public wxApp
{
public:
MyApp();
virtual bool OnInit();
virtual int OnExit();
MyFrame* m_frame;
};
//------------------------------------------------------------------------------
// MyFrame
//------------------------------------------------------------------------------
MyFrame::MyFrame( wxWindow* parent, wxWindowID id, const wxString& title,
const wxPoint& position, const wxSize& size, long style ) :
wxFrame( parent, id, title, position, size, style )
{
a2dAggDrawer *drawer2d = new a2dAggDrawer( 0, 0 );
m_canvas = new a2dCanvas( this, wxID_ANY, wxDefaultPosition, wxDefaultSize,
wxTAB_TRAVERSAL, drawer2d);
a2dCanvasDocument* root = m_canvas->GetCanvasDocument();
int maxText = 509; // crashes if you set maxText to 510,
zoom it!
for (int i = 0; i < maxText; ++i)
{
a2dText* text = new a2dText( wxT( "test text" ), 2*i, 2*i,
a2dFont( wxT("arial.ttf"), 50.0) );
root->Prepend( text );
}
m_canvas->SetMappingUpp(0, 0, 1, 1);
}
//------------------------------------------------------------------------------
// MyApp
//------------------------------------------------------------------------------
IMPLEMENT_APP( MyApp )
MyApp::MyApp()
{
}
bool MyApp::OnInit()
{
m_frame = new MyFrame( NULL, -1, wxT( "SuperApp" ), wxPoint( 20, 30 ),
wxSize( 800, 800 ) );
m_frame->Show( true );
return true;
}
int MyApp::OnExit()
{
return 0;
}
------------------------------------------------------------------------------
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