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, 0,70,16,16 );
 213     m_canvas->Append( m_sm1 );
 214
 215     int i;
 216     for (i = 10; i < 300; i+=10)
 217         m_canvas->Append( new wxCanvasRect( i,50,3,140, 255,0,0 ) );
 218
 219     m_sm2 = new wxCanvasImage( image, 0,140,24,24 );
 220     m_canvas->Append( m_sm2 );
 221
 222     for (i = 15; i < 300; i+=10)
 223         m_canvas->Append( new wxCanvasRect( i,50,3,140, 255,0,0 ) );
 224
 225     wxButton *button = new wxButton( m_canvas, -1, "Hello", wxPoint(80,50) );
 226     m_canvas->Append( new wxCanvasControl( button ) );
 227
 228     m_canvas->Append( new wxCanvasText( "Hello", 180, 50,
 229                       wxGetApp().GetFontPath() + "/times.ttf", 20 ) );
 230
 231     m_sm3 = new wxCanvasImage( image, 0,210,32,32 );
 232     m_canvas->Append( m_sm3 );
 233
 234     for (i = 10; i < 300; i+=10)
 235         m_canvas->Append( new wxCanvasLine( 10,-15,i,300, 0,255,0 ) );
 236
 237     m_sm4 = new MywxCanvasImage( image, 0,270,64,32 );
 238     m_canvas->Append( m_sm4 );
 239
 240
 241 //    m_canvas->Append( new wxCanvasLine( 10,-1500e6,50,300000e6, 0,255,0 ) );
 242 //    m_canvas->Append( new wxCanvasLine( 10,-150000,50,300000, 0,255,0 ) );
 243
 244     //make a group of wxCanvasObjects
 245     wxCanvasObjectGroup* group1 = new wxCanvasObjectGroup();
 246     group1->Prepend( new wxCanvasLine( 10,-35,50,190,100,255,0 ) );
 247     group1->Prepend( new wxCanvasImage( image, 4,38,32,32 ) );
 248     group1->Prepend( new wxCanvasRect(20,-20,50,170,0,20,240 ) );
 249
 250
 251     //make another group of wxCanvasObjects
 252     wxCanvasObjectGroup* group2 = new wxCanvasObjectGroup();
 253     group2->Prepend( new wxCanvasImage( image, 60,38,52,32 ) );
 254     group2->Prepend( new wxCanvasRect(10,20,104,52,10,40,10 ) );
 255
 256     //this a reference to group2 put into group1
 257     wxCanvasObjectGroupRef* m_subref = new wxCanvasObjectGroupRef(60,50, group2);
 258     group1->Prepend( m_subref );
 259
 260     //now make two refrences to group1 into root group of the canvas
 261 /*
 262     m_ref = new MywxCanvasObjectGroupRef(40,200, group1);
 263     m_canvas->Prepend( m_ref );
 264 */
 265
 266     m_ref2 = new MywxCanvasObjectGroupRef(80,350, group1);
 267     m_canvas->Prepend( m_ref2 );
 268
 269     m_log = new wxTextCtrl( this, -1, "", wxPoint(0,0), wxSize(100,100), wxTE_MULTILINE );
 270     wxLog *old_log = wxLog::SetActiveTarget( new wxLogTextCtrl( m_log ) );
 271     delete old_log;
 272
 273     wxBoxSizer *topsizer = new wxBoxSizer( wxVERTICAL );
 274
 275     topsizer->Add( m_canvas, 1, wxEXPAND );
 276     topsizer->Add( m_log, 0, wxEXPAND );
 277
 278     SetAutoLayout( TRUE );
 279     SetSizer( topsizer );
 280
 281     m_timer = new wxTimer( this );
 282     m_timer->Start( 100, FALSE );
 283 }
 284
 285 MyFrame::~MyFrame()
 286 {
 287    delete m_timer;
 288 }
 289
 290 void MyFrame::OnQuit( wxCommandEvent &WXUNUSED(event) )
 291 {
 292     Close( TRUE );
 293 }
 294
 295 void MyFrame::OnTimer( wxTimerEvent &WXUNUSED(event) )
 296 {
 297     m_sm1->Move( m_sm1->GetX()+1, m_sm1 ->GetY() );
 298     m_sm2->Move( m_sm2->GetX()+1, m_sm2->GetY() );
 299     m_sm3->Move( m_sm3->GetX()+1, m_sm3->GetY() );
 300     m_sm4->Move( m_sm4->GetX()+2, m_sm4->GetY() );
 301 /*
 302     m_ref->Move( m_ref->GetPosX()+1, m_ref->GetPosY() );
 303     m_ref2->Move( m_ref2->GetPosX()+2, m_ref2->GetPosY() );
 304 */
 305
 306     wxWakeUpIdle();
 307 }
 308
 309 void MyFrame::OnAbout( wxCommandEvent &WXUNUSED(event) )
 310 {
 311    (void)wxMessageBox( "wxCanvas demo\n"
 312                       "Robert Roebling (c) 1998,2000",
 313                       "About wxCanvas Demo", wxICON_INFORMATION | wxOK );
 314 }
 315
 316 //-----------------------------------------------------------------------------
 317 // MyApp
 318 //-----------------------------------------------------------------------------
 319
 320 bool MyApp::OnInit()
 321 {
 322   m_fontpath = getenv("TRUETYPE");
 323   if ( !m_fontpath )
 324   {
 325       wxLogError("Please set env var TRUETYPE to the path where times.ttf lives.");
 326
 327       return FALSE;
 328
 329   }
 330
 331 #if wxUSE_LIBPNG
 332   wxImage::AddHandler( new wxPNGHandler );
 333 #endif
 334
 335   wxFrame *frame = new MyFrame();
 336   frame->Show( TRUE );
 337
 338   return TRUE;
 339 }
 340
 341