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 #include "wx/image.h"
  25
  26
  27 #include "smile.xpm"
  28
  29 #include "wx/canvas/canvas.h"
  30
  31 // derived classes
  32
  33
  34 class MywxCanvasImage: public wxCanvasImage
  35 {
  36 public:
  37     MywxCanvasImage( const wxImage &image, double x, double y, double w, double h );
  38
  39     void MywxCanvasImage::OnMouse(wxMouseEvent &event);
  40
  41     DECLARE_EVENT_TABLE()
  42 };
  43
  44 BEGIN_EVENT_TABLE(MywxCanvasImage,wxCanvasImage)
  45   EVT_MOUSE_EVENTS( MywxCanvasImage::OnMouse )
  46 END_EVENT_TABLE()
  47
  48 MywxCanvasImage::MywxCanvasImage( const wxImage &image, double x, double y, double w, double h )
  49     :wxCanvasImage( image, x, y, w, h )
  50 {
  51 }
  52
  53 void MywxCanvasImage::OnMouse(wxMouseEvent &event)
  54 {
  55     static bool first=false;
  56     static int dx=0;
  57     static int dy=0;
  58
  59     int x = event.GetX();
  60     int y = event.GetY();
  61     if (event.m_leftDown)
  62     {   if (!first)
  63         {
  64            first=true;
  65            dx=x;
  66            dy=y;
  67         }
  68         Move(m_area.x+x-dx,m_area.y+y-dy);
  69         CaptureMouse();
  70     }
  71     else if (IsCapturedMouse())
  72     {
  73         ReleaseMouse();
  74         first=false;
  75         dx=0;dy=0;
  76     }
  77 }
  78
  79 class MyFrame;
  80 class MyApp;
  81
  82 // MyFrame
  83
  84 class MyFrame: public wxFrame
  85 {
  86 public:
  87     MyFrame();
  88     ~MyFrame();
  89
  90     void OnAbout( wxCommandEvent &event );
  91     void OnNewFrame( wxCommandEvent &event );
  92     void OnQuit( wxCommandEvent &event );
  93     void OnTimer( wxTimerEvent &event );
  94
  95     wxCanvas         *m_canvas;
  96     wxCanvasObject   *m_sm1;
  97     wxCanvasObject   *m_sm2;
  98     wxCanvasObject   *m_sm3;
  99     wxCanvasObject   *m_sm4;
 100     wxTimer          *m_timer;
 101     wxTextCtrl       *m_log;
 102
 103 private:
 104     DECLARE_DYNAMIC_CLASS(MyFrame)
 105     DECLARE_EVENT_TABLE()
 106 };
 107
 108 // MyApp
 109
 110 class MyApp: public wxApp
 111 {
 112 public:
 113     virtual bool OnInit();
 114
 115     const wxString& GetFontPath() const { return m_fontpath; }
 116
 117 private:
 118     wxString m_fontpath;
 119 };
 120
 121 // main program
 122
 123 IMPLEMENT_APP(MyApp)
 124
 125 // MyFrame
 126
 127 const int ID_QUIT  = 108;
 128 const int ID_ABOUT = 109;
 129
 130 IMPLEMENT_DYNAMIC_CLASS( MyFrame, wxFrame )
 131
 132 BEGIN_EVENT_TABLE(MyFrame,wxFrame)
 133   EVT_MENU    (ID_ABOUT, MyFrame::OnAbout)
 134   EVT_MENU    (ID_QUIT,  MyFrame::OnQuit)
 135   EVT_TIMER   (-1,       MyFrame::OnTimer)
 136 END_EVENT_TABLE()
 137
 138 MyFrame::MyFrame()
 139        : wxFrame( (wxFrame *)NULL, -1, "wxCanvas sample",
 140                   wxPoint(20,20), wxSize(470,460) )
 141 {
 142     wxMenu *file_menu = new wxMenu();
 143     file_menu->Append( ID_ABOUT, "&About...");
 144     file_menu->AppendSeparator();
 145     file_menu->Append( ID_QUIT, "E&xit");
 146
 147     wxMenuBar *menu_bar = new wxMenuBar();
 148     menu_bar->Append(file_menu, "&File");
 149
 150     SetMenuBar( menu_bar );
 151
 152     CreateStatusBar(2);
 153     int widths[] = { -1, 100 };
 154     SetStatusWidths( 2, widths );
 155
 156     m_canvas = new wxCanvas( this, -1, wxPoint(0,0), wxSize(10,10) );
 157
 158     m_canvas->SetArea( 400, 600 );
 159     m_canvas->SetColour( 255, 255, 255 );
 160
 161     wxBitmap bitmap( smile_xpm );
 162     wxImage image( bitmap );
 163
 164     m_sm1 = new wxCanvasImage( image, 0,70,16,16 );
 165     m_canvas->Append( m_sm1 );
 166
 167     int i;
 168     for (i = 10; i < 300; i+=10)
 169         m_canvas->Append( new wxCanvasRect( i,50,3,140, 255,0,0 ) );
 170
 171     m_sm2 = new wxCanvasImage( image, 0,140,24,24 );
 172     m_canvas->Append( m_sm2 );
 173
 174     for (i = 15; i < 300; i+=10)
 175         m_canvas->Append( new wxCanvasRect( i,50,3,140, 255,0,0 ) );
 176
 177     wxButton *button = new wxButton( m_canvas, -1, "Hello", wxPoint(80,50) );
 178     m_canvas->Append( new wxCanvasControl( button ) );
 179
 180     m_canvas->Append( new wxCanvasText( "Hello", 180, 50,
 181                       wxGetApp().GetFontPath() + "/times.ttf", 20 ) );
 182
 183     m_sm3 = new wxCanvasImage( image, 0,210,32,32 );
 184     m_canvas->Append( m_sm3 );
 185
 186     for (i = 10; i < 300; i+=10)
 187         m_canvas->Append( new wxCanvasLine( 10,-15,i,300, 0,255,0 ) );
 188
 189 //    m_canvas->Append( new wxCanvasLine( 10,-1500e6,50,300000e6, 0,255,0 ) );
 190 //    m_canvas->Append( new wxCanvasLine( 10,-150000,50,300000, 0,255,0 ) );
 191
 192     m_sm4 = new MywxCanvasImage( image, 0,270,64,32 );
 193     m_canvas->Append( m_sm4 );
 194
 195     m_log = new wxTextCtrl( this, -1, "", wxPoint(0,0), wxSize(100,100), wxTE_MULTILINE );
 196     wxLog *old_log = wxLog::SetActiveTarget( new wxLogTextCtrl( m_log ) );
 197     delete old_log;
 198
 199     wxBoxSizer *topsizer = new wxBoxSizer( wxVERTICAL );
 200
 201     topsizer->Add( m_canvas, 1, wxEXPAND );
 202     topsizer->Add( m_log, 0, wxEXPAND );
 203
 204     SetAutoLayout( TRUE );
 205     SetSizer( topsizer );
 206
 207     m_timer = new wxTimer( this );
 208     m_timer->Start( 100, FALSE );
 209 }
 210
 211 MyFrame::~MyFrame()
 212 {
 213    delete m_timer;
 214 }
 215
 216 void MyFrame::OnQuit( wxCommandEvent &WXUNUSED(event) )
 217 {
 218     Close( TRUE );
 219 }
 220
 221 void MyFrame::OnTimer( wxTimerEvent &WXUNUSED(event) )
 222 {
 223     m_sm1->Move( m_sm1->GetX()+1, m_sm1->GetY() );
 224     m_sm2->Move( m_sm2->GetX()+1, m_sm2->GetY() );
 225     m_sm3->Move( m_sm3->GetX()+1, m_sm3->GetY() );
 226     m_sm4->Move( m_sm4->GetX()+1, m_sm4->GetY() );
 227
 228     wxWakeUpIdle();
 229 }
 230
 231 void MyFrame::OnAbout( wxCommandEvent &WXUNUSED(event) )
 232 {
 233    (void)wxMessageBox( "wxCanvas demo\n"
 234                       "Robert Roebling (c) 1998,2000",
 235                       "About wxCanvas Demo", wxICON_INFORMATION | wxOK );
 236 }
 237
 238 //-----------------------------------------------------------------------------
 239 // MyApp
 240 //-----------------------------------------------------------------------------
 241
 242 bool MyApp::OnInit()
 243 {
 244   m_fontpath = getenv("TRUETYPE");
 245   if ( !m_fontpath )
 246   {
 247       wxLogError("Please set env var TRUETYPE to the path where times.ttf lives.");
 248
 249       return FALSE;
 250
 251   }
 252
 253 #if wxUSE_LIBPNG
 254   wxImage::AddHandler( new wxPNGHandler );
 255 #endif
 256
 257   wxFrame *frame = new MyFrame();
 258   frame->Show( TRUE );
 259
 260   return TRUE;
 261 }
 262
 263