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 MywxCanvasObjectGroupRef: public wxCanvasObjectGroupRef
  80 {
  81 public:
  82     MywxCanvasObjectGroupRef(double x, double y, wxCanvasObjectGroup* group);
  83
  84     void OnMouse(wxMouseEvent &event);
  85
  86     DECLARE_EVENT_TABLE()
  87 };
  88
  89 BEGIN_EVENT_TABLE(MywxCanvasObjectGroupRef,wxCanvasObjectGroupRef)
  90   EVT_MOUSE_EVENTS( MywxCanvasObjectGroupRef::OnMouse )
  91 END_EVENT_TABLE()
  92
  93 MywxCanvasObjectGroupRef::MywxCanvasObjectGroupRef(double x, double y,wxCanvasObjectGroup* group)
  94     :wxCanvasObjectGroupRef(x,y,group)
  95 {
  96 }
  97
  98 void MywxCanvasObjectGroupRef::OnMouse(wxMouseEvent &event)
  99 {
 100     static bool first=false;
 101     static dx=0;
 102     static dy=0;
 103
 104     //new position of object
 105     int x = m_owner->GetDeviceX( event.GetX());
 106     int y = m_owner->GetDeviceY( event.GetY());
 107
 108     if (event.m_leftDown)
 109     {   if (!first)
 110         {
 111            first=true;
 112            dx=x;
 113            dy=y;
 114         }
 115         Move(m_x+x-dx,m_y+y-dy);
 116         CaptureMouse();
 117     }
 118     else if (IsCapturedMouse())
 119     {
 120         ReleaseMouse();
 121         first=false;
 122         dx=0;dy=0;
 123     }
 124 }
 125
 126 class MyFrame;
 127 class MyApp;
 128
 129 // MyFrame
 130
 131 class MyFrame: public wxFrame
 132 {
 133 public:
 134     MyFrame();
 135     ~MyFrame();
 136
 137     void OnAbout( wxCommandEvent &event );
 138     void OnNewFrame( wxCommandEvent &event );
 139     void OnQuit( wxCommandEvent &event );
 140     void OnTimer( wxTimerEvent &event );
 141
 142     wxCanvas         *m_canvas;
 143     wxCanvasObject   *m_sm1;
 144     wxCanvasObject   *m_sm2;
 145     wxCanvasObject   *m_sm3;
 146     wxCanvasObject   *m_sm4;
 147
 148     MywxCanvasObjectGroupRef *m_ref;
 149     MywxCanvasObjectGroupRef *m_ref2;
 150
 151     wxTimer          *m_timer;
 152     wxTextCtrl       *m_log;
 153
 154 private:
 155     DECLARE_DYNAMIC_CLASS(MyFrame)
 156     DECLARE_EVENT_TABLE()
 157 };
 158
 159 // MyApp
 160
 161 class MyApp: public wxApp
 162 {
 163 public:
 164     virtual bool OnInit();
 165
 166     const wxString& GetFontPath() const { return m_fontpath; }
 167
 168 private:
 169     wxString m_fontpath;
 170 };
 171
 172 // main program
 173
 174 IMPLEMENT_APP(MyApp)
 175
 176 // MyFrame
 177
 178 const int ID_QUIT  = 108;
 179 const int ID_ABOUT = 109;
 180
 181 IMPLEMENT_DYNAMIC_CLASS( MyFrame, wxFrame )
 182
 183 BEGIN_EVENT_TABLE(MyFrame,wxFrame)
 184   EVT_MENU    (ID_ABOUT, MyFrame::OnAbout)
 185   EVT_MENU    (ID_QUIT,  MyFrame::OnQuit)
 186   EVT_TIMER   (-1,       MyFrame::OnTimer)
 187 END_EVENT_TABLE()
 188
 189 MyFrame::MyFrame()
 190        : wxFrame( (wxFrame *)NULL, -1, "wxCanvas sample",
 191                   wxPoint(20,20), wxSize(470,860) )
 192 {
 193     wxMenu *file_menu = new wxMenu();
 194     file_menu->Append( ID_ABOUT, "&About...");
 195     file_menu->AppendSeparator();
 196     file_menu->Append( ID_QUIT, "E&xit");
 197
 198     wxMenuBar *menu_bar = new wxMenuBar();
 199     menu_bar->Append(file_menu, "&File");
 200
 201     SetMenuBar( menu_bar );
 202
 203     CreateStatusBar(2);
 204     int widths[] = { -1, 100 };
 205     SetStatusWidths( 2, widths );
 206
 207     m_canvas = new wxCanvas( this, -1, wxPoint(0,0), wxSize(10,10) );
 208
 209     m_canvas->SetArea( 1400, 600 );
 210     m_canvas->SetColour( 255, 255, 255 );
 211
 212
 213     wxBitmap bitmap( smile_xpm );
 214     wxImage image( bitmap );
 215
 216     m_sm1 = new wxCanvasImage( image, 0,70,16,16 );
 217     m_canvas->Append( m_sm1 );
 218
 219     int i;
 220     for (i = 10; i < 300; i+=10)
 221         m_canvas->Append( new wxCanvasRect( i,50,3,140, 255,0,0 ) );
 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, 255,0,0 ) );
 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, 0,255,0 ) );
 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     //make a group of wxCanvasObjects
 249     wxCanvasObjectGroup* group1 = new wxCanvasObjectGroup();
 250     group1->Prepend( new wxCanvasLine( 10,-35,50,190,100,255,0 ) );
 251     group1->Prepend( new wxCanvasImage( image, 4,38,32,32 ) );
 252     group1->Prepend( new wxCanvasRect(20,-20,50,170,0,20,240 ) );
 253     group1->Prepend( new wxCanvasRect(10,20,104,52,0,240,240 ) );
 254
 255
 256     //make another group of wxCanvasObjects
 257     wxCanvasObjectGroup* group2 = new wxCanvasObjectGroup();
 258     group2->Prepend( new wxCanvasImage( image, 60,38,52,32 ) );
 259     group2->Prepend( new wxCanvasRect(10,20,104,52,10,40,10 ) );
 260
 261     //this a reference to group2 put into group1
 262     wxCanvasObjectGroupRef* m_subref = new wxCanvasObjectGroupRef(60,50, group2);
 263     group1->Prepend( m_subref );
 264
 265     //now make two refrences to group1 into root group of the canvas
 266     m_ref = new MywxCanvasObjectGroupRef(40,200, group1);
 267     m_canvas->Prepend( m_ref );
 268
 269     m_ref2 = new MywxCanvasObjectGroupRef(80,350, group1);
 270     m_canvas->Prepend( m_ref2 );
 271
 272
 273     m_log = new wxTextCtrl( this, -1, "", wxPoint(0,0), wxSize(100,100), wxTE_MULTILINE );
 274     wxLog *old_log = wxLog::SetActiveTarget( new wxLogTextCtrl( m_log ) );
 275     delete old_log;
 276
 277     wxBoxSizer *topsizer = new wxBoxSizer( wxVERTICAL );
 278
 279     topsizer->Add( m_canvas, 1, wxEXPAND );
 280     topsizer->Add( m_log, 0, wxEXPAND );
 281
 282     SetAutoLayout( TRUE );
 283     SetSizer( topsizer );
 284
 285     m_timer = new wxTimer( this );
 286     m_timer->Start( 100, FALSE );
 287 }
 288
 289 MyFrame::~MyFrame()
 290 {
 291    delete m_timer;
 292 }
 293
 294 void MyFrame::OnQuit( wxCommandEvent &WXUNUSED(event) )
 295 {
 296     Close( TRUE );
 297 }
 298
 299 void MyFrame::OnTimer( wxTimerEvent &WXUNUSED(event) )
 300 {
 301     m_sm1->Move( m_sm1->GetX()+1, m_sm1 ->GetY() );
 302     m_sm2->Move( m_sm2->GetX()+1, m_sm2->GetY() );
 303     m_sm3->Move( m_sm3->GetX()+1, m_sm3->GetY() );
 304     m_sm4->Move( m_sm4->GetX()+2, m_sm4->GetY() );
 305     m_ref->Move( m_ref->GetPosX()+1, m_ref->GetPosY() );
 306     m_ref2->Move( m_ref2->GetPosX()+2, m_ref2->GetPosY() );
 307
 308     wxWakeUpIdle();
 309 }
 310
 311 void MyFrame::OnAbout( wxCommandEvent &WXUNUSED(event) )
 312 {
 313    (void)wxMessageBox( "wxCanvas demo\n"
 314                       "Robert Roebling (c) 1998,2000",
 315                       "About wxCanvas Demo", wxICON_INFORMATION | wxOK );
 316 }
 317
 318 //-----------------------------------------------------------------------------
 319 // MyApp
 320 //-----------------------------------------------------------------------------
 321
 322 bool MyApp::OnInit()
 323 {
 324   m_fontpath = getenv("TRUETYPE");
 325   if ( !m_fontpath )
 326   {
 327       wxLogError("Please set env var TRUETYPE to the path where times.ttf lives.");
 328
 329       return FALSE;
 330
 331   }
 332
 333 #if wxUSE_LIBPNG
 334   wxImage::AddHandler( new wxPNGHandler );
 335 #endif
 336
 337   wxFrame *frame = new MyFrame();
 338   frame->Show( TRUE );
 339
 340   return TRUE;
 341 }
 342
 343