contrib/samples/canvas/test/test.cpp

   1 /*
   2  * Program: canvas
   3  *
   4  * Author: Robert Roebling
   5  *
   6  * Copyright: (C) 1998, Robert Roebling
   7  *
   8  */
   9 // For compilers that support precompilation, includes "wx/wx.h".
  10 #include "wx/wxprec.h"
  11
  12 #ifdef __BORLANDC__
  13 #pragma hdrstop
  14 #endif
  15
  16 #ifndef WX_PRECOMP
  17 #include "wx/wx.h"
  18 #endif
  19
  20 #include <wx/image.h>
  21 #include <wx/file.h>
  22 #include <wx/timer.h>
  23 #include <wx/log.h>
  24
  25
  26 #include "smile.xpm"
  27
  28 #include "wx/canvas/canvas.h"
  29
  30 // derived classes
  31
  32 class MyFrame;
  33 class MyApp;
  34
  35 // MyFrame
  36
  37 class MyFrame: public wxFrame
  38 {
  39 public:
  40     MyFrame();
  41     ~MyFrame();
  42
  43     void OnAbout( wxCommandEvent &event );
  44     void OnNewFrame( wxCommandEvent &event );
  45     void OnQuit( wxCommandEvent &event );
  46     void OnTimer( wxTimerEvent &event );
  47
  48     wxCanvas         *m_canvas;
  49     wxCanvasObject   *m_sm1;
  50     wxCanvasObject   *m_sm2;
  51     wxCanvasObject   *m_sm3;
  52     wxCanvasObject   *m_sm4;
  53     wxTimer          *m_timer;
  54     wxTextCtrl       *m_log;
  55
  56 private:
  57     DECLARE_DYNAMIC_CLASS(MyFrame)
  58     DECLARE_EVENT_TABLE()
  59 };
  60
  61 // MyApp
  62
  63 class MyApp: public wxApp
  64 {
  65 public:
  66     virtual bool OnInit();
  67
  68     const wxString& GetFontPath() const { return m_fontpath; }
  69
  70 private:
  71     wxString m_fontpath;
  72 };
  73
  74 // main program
  75
  76 IMPLEMENT_APP(MyApp)
  77
  78 // MyFrame
  79
  80 const int ID_QUIT  = 108;
  81 const int ID_ABOUT = 109;
  82
  83 IMPLEMENT_DYNAMIC_CLASS( MyFrame, wxFrame )
  84
  85 BEGIN_EVENT_TABLE(MyFrame,wxFrame)
  86   EVT_MENU    (ID_ABOUT, MyFrame::OnAbout)
  87   EVT_MENU    (ID_QUIT,  MyFrame::OnQuit)
  88   EVT_TIMER   (-1,       MyFrame::OnTimer)
  89 END_EVENT_TABLE()
  90
  91 MyFrame::MyFrame()
  92        : wxFrame( (wxFrame *)NULL, -1, "wxCanvas sample",
  93                   wxPoint(20,20), wxSize(470,460) )
  94 {
  95     wxMenu *file_menu = new wxMenu();
  96     file_menu->Append( ID_ABOUT, "&About...");
  97     file_menu->AppendSeparator();
  98     file_menu->Append( ID_QUIT, "E&xit");
  99
 100     wxMenuBar *menu_bar = new wxMenuBar();
 101     menu_bar->Append(file_menu, "&File");
 102
 103     SetMenuBar( menu_bar );
 104
 105     CreateStatusBar(2);
 106     int widths[] = { -1, 100 };
 107     SetStatusWidths( 2, widths );
 108
 109     m_canvas = new wxCanvas( this, -1, wxPoint(0,0), wxSize(10,10) );
 110
 111     m_canvas->Freeze();
 112
 113     m_canvas->SetArea( 400, 600 );
 114     m_canvas->SetColour( 255, 255, 255 );
 115
 116     wxBitmap bitmap( smile_xpm );
 117     wxImage image( bitmap );
 118
 119     m_sm1 = new wxCanvasImage( image, 0, 70 );
 120     m_canvas->Append( m_sm1 );
 121
 122     int i;
 123     for (i = 10; i < 300; i+=10)
 124         m_canvas->Append( new wxCanvasRect( i,50,3,140, 255,0,0 ) );
 125
 126     m_sm2 = new wxCanvasImage( image, 0, 140 );
 127     m_canvas->Append( m_sm2 );
 128
 129     for (i = 15; i < 300; i+=10)
 130         m_canvas->Append( new wxCanvasRect( i,50,3,140, 255,0,0 ) );
 131
 132     wxButton *button = new wxButton( m_canvas, -1, "Hello", wxPoint(80,50) );
 133     m_canvas->Append( new wxCanvasControl( button ) );
 134
 135     m_canvas->Append( new wxCanvasText( "Hello", 180, 50,
 136                       wxGetApp().GetFontPath() + "/times.ttf", 20 ) );
 137
 138     m_sm3 = new wxCanvasImage( image, 0, 210 );
 139     m_canvas->Append( m_sm3 );
 140
 141     for (i = 10; i < 300; i+=10)
 142         m_canvas->Append( new wxCanvasLine( 10,150,i,200, 0,255,0 ) );
 143
 144     m_sm4 = new wxCanvasImage( image, 0, 270 );
 145     m_canvas->Append( m_sm4 );
 146
 147     m_canvas->Thaw();
 148
 149     m_log = new wxTextCtrl( this, -1, "", wxPoint(0,0), wxSize(100,100), wxTE_MULTILINE );
 150     wxLog *old_log = wxLog::SetActiveTarget( new wxLogTextCtrl( m_log ) );
 151     delete old_log;
 152
 153     wxBoxSizer *topsizer = new wxBoxSizer( wxVERTICAL );
 154
 155     topsizer->Add( m_canvas, 1, wxEXPAND );
 156     topsizer->Add( m_log, 0, wxEXPAND );
 157
 158     SetAutoLayout( TRUE );
 159     SetSizer( topsizer );
 160
 161     m_timer = new wxTimer( this );
 162     m_timer->Start( 100, FALSE );
 163 }
 164
 165 MyFrame::~MyFrame()
 166 {
 167    delete m_timer;
 168 }
 169
 170 void MyFrame::OnQuit( wxCommandEvent &WXUNUSED(event) )
 171 {
 172     Close( TRUE );
 173 }
 174
 175 void MyFrame::OnTimer( wxTimerEvent &WXUNUSED(event) )
 176 {
 177     m_sm1->Move( m_sm1->GetX()+1, m_sm1->GetY() );
 178     m_sm2->Move( m_sm2->GetX()+1, m_sm2->GetY() );
 179     m_sm3->Move( m_sm3->GetX()+1, m_sm3->GetY() );
 180     m_sm4->Move( m_sm4->GetX()+1, m_sm4->GetY() );
 181     wxWakeUpIdle();
 182 }
 183
 184 void MyFrame::OnAbout( wxCommandEvent &WXUNUSED(event) )
 185 {
 186    (void)wxMessageBox( "wxCanvas demo\n"
 187                       "Robert Roebling (c) 1998,2000",
 188                       "About wxCanvas Demo", wxICON_INFORMATION | wxOK );
 189 }
 190
 191 //-----------------------------------------------------------------------------
 192 // MyApp
 193 //-----------------------------------------------------------------------------
 194
 195 bool MyApp::OnInit()
 196 {
 197   m_fontpath = getenv("TRUETYPE");
 198   if ( !m_fontpath )
 199   {
 200       wxLogError("Please set env var TRUETYPE to the path where times.ttf lives.");
 201
 202       return FALSE;
 203
 204   }
 205
 206 #if wxUSE_LIBPNG
 207   wxImage::AddHandler( new wxPNGHandler );
 208 #endif
 209
 210   wxFrame *frame = new MyFrame();
 211   frame->Show( TRUE );
 212
 213   return TRUE;
 214 }
 215
 216