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 int dx=0;
  56     static int dy=0;
  57
  58     int x = event.GetX();
  59     int y = event.GetY();
  60     if (event.LeftDown())
  61     {
  62         dx=x;
  63         dy=y;
  64         CaptureMouse();
  65     }
  66     else if (event.LeftUp())
  67     {
  68         ReleaseMouse();
  69     }
  70     else if (IsCapturedMouse())
  71     {
  72         Move(m_area.x+x-dx,m_area.y+y-dy);
  73         m_owner->UpdateNow();
  74     }
  75 }
  76
  77 class MywxCanvasObjectGroupRef: public wxCanvasObjectGroupRef
  78 {
  79 public:
  80     MywxCanvasObjectGroupRef(double x, double y, wxCanvasObjectGroup* group);
  81
  82     void OnMouse(wxMouseEvent &event);
  83
  84     DECLARE_EVENT_TABLE()
  85 };
  86
  87 BEGIN_EVENT_TABLE(MywxCanvasObjectGroupRef,wxCanvasObjectGroupRef)
  88   EVT_MOUSE_EVENTS( MywxCanvasObjectGroupRef::OnMouse )
  89 END_EVENT_TABLE()
  90
  91 MywxCanvasObjectGroupRef::MywxCanvasObjectGroupRef(double x, double y,wxCanvasObjectGroup* group)
  92     :wxCanvasObjectGroupRef(x,y,group)
  93 {
  94 }
  95
  96 void MywxCanvasObjectGroupRef::OnMouse(wxMouseEvent &event)
  97 {
  98     static int dx=0;
  99     static int dy=0;
 100
 101     //new position of object
 102     int x = m_owner->GetDeviceX( event.GetX());
 103     int y = m_owner->GetDeviceY( event.GetY());
 104
 105     if (event.LeftDown())
 106     {
 107         dx=x;
 108         dy=y;
 109         CaptureMouse();
 110     }
 111     else if (event.LeftUp())
 112     {
 113         ReleaseMouse();
 114     }
 115     else if (IsCapturedMouse())
 116     {
 117         Move(m_x+x-dx,m_y+y-dy);
 118         m_owner->UpdateNow();
 119     }
 120 }
 121
 122 class MyFrame;
 123 class MyApp;
 124
 125 // MyFrame
 126
 127 class MyFrame: public wxFrame
 128 {
 129 public:
 130     MyFrame();
 131     ~MyFrame();
 132
 133     void OnAbout( wxCommandEvent &event );
 134     void OnNewFrame( wxCommandEvent &event );
 135     void OnQuit( wxCommandEvent &event );
 136     void OnTimer( wxTimerEvent &event );
 137
 138     wxCanvas         *m_canvas;
 139     wxCanvasObject   *m_sm1;
 140     wxCanvasObject   *m_sm2;
 141     wxCanvasObject   *m_sm3;
 142     wxCanvasObject   *m_sm4;
 143
 144     MywxCanvasObjectGroupRef *m_ref;
 145     MywxCanvasObjectGroupRef *m_ref2;
 146
 147     wxTimer          *m_timer;
 148     wxTextCtrl       *m_log;
 149
 150 private:
 151     DECLARE_DYNAMIC_CLASS(MyFrame)
 152     DECLARE_EVENT_TABLE()
 153 };
 154
 155 // MyApp
 156
 157 class MyApp: public wxApp
 158 {
 159 public:
 160     virtual bool OnInit();
 161
 162     const wxString& GetFontPath() const { return m_fontpath; }
 163
 164 private:
 165     wxString m_fontpath;
 166 };
 167
 168 // main program
 169
 170 IMPLEMENT_APP(MyApp)
 171
 172 // MyFrame
 173
 174 const int ID_QUIT  = 108;
 175 const int ID_ABOUT = 109;
 176
 177 IMPLEMENT_DYNAMIC_CLASS( MyFrame, wxFrame )
 178
 179 BEGIN_EVENT_TABLE(MyFrame,wxFrame)
 180   EVT_MENU    (ID_ABOUT, MyFrame::OnAbout)
 181   EVT_MENU    (ID_QUIT,  MyFrame::OnQuit)
 182   EVT_TIMER   (-1,       MyFrame::OnTimer)
 183 END_EVENT_TABLE()
 184
 185 MyFrame::MyFrame()
 186        : wxFrame( (wxFrame *)NULL, -1, "wxCanvas sample",
 187                   wxPoint(20,20), wxSize(470,460) )
 188 {
 189     wxMenu *file_menu = new wxMenu();
 190     file_menu->Append( ID_ABOUT, "&About...");
 191     file_menu->AppendSeparator();
 192     file_menu->Append( ID_QUIT, "E&xit");
 193
 194     wxMenuBar *menu_bar = new wxMenuBar();
 195     menu_bar->Append(file_menu, "&File");
 196
 197     SetMenuBar( menu_bar );
 198
 199     CreateStatusBar(2);
 200     int widths[] = { -1, 100 };
 201     SetStatusWidths( 2, widths );
 202
 203     m_canvas = new wxCanvas( this, -1, wxPoint(0,0), wxSize(10,10) );
 204
 205     m_canvas->SetArea( 1000,1000 );
 206     m_canvas->SetColour( 255, 255, 255 );
 207
 208
 209     wxBitmap bitmap( smile_xpm );
 210     wxImage image( bitmap );
 211
 212     m_sm1 = new wxCanvasImage( image, 0,70,32,32 );
 213     m_canvas->Append( m_sm1 );
 214
 215     int i;
 216     for (i = 10; i < 300; i+=10)
 217     {
 218         wxCanvasRect *r = new wxCanvasRect( i,50,3,140 );
 219         r->SetBrush( *wxRED_BRUSH );
 220         m_canvas->Append( r );
 221     }
 222
 223     m_sm2 = new wxCanvasImage( image, 0,140,24,24 );
 224     m_canvas->Append( m_sm2 );
 225
 226     for (i = 15; i < 300; i+=10)
 227         m_canvas->Append( new wxCanvasRect( i,50,3,140 ) );
 228
 229     wxButton *button = new wxButton( m_canvas, -1, "Hello", wxPoint(80,50) );
 230     m_canvas->Append( new wxCanvasControl( button ) );
 231
 232     m_canvas->Append( new wxCanvasText( "Hello", 180, 50,
 233                       wxGetApp().GetFontPath() + "/times.ttf", 20 ) );
 234
 235     m_sm3 = new wxCanvasImage( image, 0,210,32,32 );
 236     m_canvas->Append( m_sm3 );
 237
 238     for (i = 10; i < 300; i+=10)
 239         m_canvas->Append( new wxCanvasLine( 10,-15,i,300 ) );
 240
 241     m_sm4 = new MywxCanvasImage( image, 0,270,64,32 );
 242     m_canvas->Append( m_sm4 );
 243
 244
 245 //    m_canvas->Append( new wxCanvasLine( 10,-1500e6,50,300000e6, 0,255,0 ) );
 246 //    m_canvas->Append( new wxCanvasLine( 10,-150000,50,300000, 0,255,0 ) );
 247
 248 /*
 249     //make a group of wxCanvasObjects
 250     wxCanvasObjectGroup* group1 = new wxCanvasObjectGroup();
 251     group1->Prepend( new wxCanvasLine( 10,-35,50,190 ) );
 252     group1->Prepend( new wxCanvasImage( image, 4,38,32,32 ) );
 253     group1->Prepend( new wxCanvasRect(20,-20,50,170,0,20,240 ) );
 254
 255     //make another group of wxCanvasObjects
 256     wxCanvasObjectGroup* group2 = new wxCanvasObjectGroup();
 257     group2->Prepend( new wxCanvasImage( image, 60,38,52,32 ) );
 258     group2->Prepend( new wxCanvasRect(10,20,104,52,10,40,10 ) );
 259
 260     //this a reference to group2 put into group1
 261     wxCanvasObjectGroupRef* m_subref = new wxCanvasObjectGroupRef(60,50, group2);
 262     group1->Prepend( m_subref );
 263
 264     //now make two refrences to group1 into root group of the canvas
 265     m_ref = new MywxCanvasObjectGroupRef(40,200, group1);
 266     m_canvas->Prepend( m_ref );
 267
 268     m_ref2 = new MywxCanvasObjectGroupRef(80,350, group1);
 269     m_canvas->Prepend( m_ref2 );
 270 */
 271
 272     m_log = new wxTextCtrl( this, -1, "", wxPoint(0,0), wxSize(100,100), wxTE_MULTILINE );
 273     wxLog *old_log = wxLog::SetActiveTarget( new wxLogTextCtrl( m_log ) );
 274     delete old_log;
 275
 276     wxBoxSizer *topsizer = new wxBoxSizer( wxVERTICAL );
 277
 278     topsizer->Add( m_canvas, 1, wxEXPAND );
 279     topsizer->Add( m_log, 0, wxEXPAND );
 280
 281     SetAutoLayout( TRUE );
 282     SetSizer( topsizer );
 283
 284     m_timer = new wxTimer( this );
 285     m_timer->Start( 100, FALSE );
 286 }
 287
 288 MyFrame::~MyFrame()
 289 {
 290    delete m_timer;
 291 }
 292
 293 void MyFrame::OnQuit( wxCommandEvent &WXUNUSED(event) )
 294 {
 295     Close( TRUE );
 296 }
 297
 298 void MyFrame::OnTimer( wxTimerEvent &WXUNUSED(event) )
 299 {
 300     m_sm1->Move( m_sm1->GetX()+1, m_sm1 ->GetY() );
 301     m_sm2->Move( m_sm2->GetX()+1, m_sm2->GetY() );
 302     m_sm3->Move( m_sm3->GetX()+1, m_sm3->GetY() );
 303     m_sm4->Move( m_sm4->GetX()+2, m_sm4->GetY() );
 304 /*
 305     m_ref->Move( m_ref->GetPosX()+1, m_ref->GetPosY() );
 306     m_ref2->Move( m_ref2->GetPosX()+2, m_ref2->GetPosY() );
 307 */
 308
 309     wxWakeUpIdle();
 310 }
 311
 312 void MyFrame::OnAbout( wxCommandEvent &WXUNUSED(event) )
 313 {
 314    (void)wxMessageBox( "wxCanvas demo\n"
 315                       "Robert Roebling (c) 1998,2000",
 316                       "About wxCanvas Demo", wxICON_INFORMATION | wxOK );
 317 }
 318
 319 //-----------------------------------------------------------------------------
 320 // MyApp
 321 //-----------------------------------------------------------------------------
 322
 323 bool MyApp::OnInit()
 324 {
 325   m_fontpath = getenv("TRUETYPE");
 326   if ( !m_fontpath )
 327   {
 328       wxLogError("Please set env var TRUETYPE to the path where times.ttf lives.");
 329
 330       return FALSE;
 331
 332   }
 333
 334 #if wxUSE_LIBPNG
 335   wxImage::AddHandler( new wxPNGHandler );
 336 #endif
 337
 338   wxFrame *frame = new MyFrame();
 339   frame->Show( TRUE );
 340
 341   return TRUE;
 342 }
 343
 344