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     {
  63         if (!first)
  64         {
  65            first=TRUE;
  66            dx=x;
  67            dy=y;
  68         }
  69         Move(m_area.x+x-dx,m_area.y+y-dy);
  70         CaptureMouse();
  71     }
  72     else if (IsCapturedMouse())
  73     {
  74         ReleaseMouse();
  75         first=FALSE;
  76         dx=0;
  77         dy=0;
  78     }
  79 }
  80
  81 class MywxCanvasObjectGroupRef: public wxCanvasObjectGroupRef
  82 {
  83 public:
  84     MywxCanvasObjectGroupRef(double x, double y, wxCanvasObjectGroup* group);
  85
  86     void OnMouse(wxMouseEvent &event);
  87
  88     DECLARE_EVENT_TABLE()
  89 };
  90
  91 BEGIN_EVENT_TABLE(MywxCanvasObjectGroupRef,wxCanvasObjectGroupRef)
  92   EVT_MOUSE_EVENTS( MywxCanvasObjectGroupRef::OnMouse )
  93 END_EVENT_TABLE()
  94
  95 MywxCanvasObjectGroupRef::MywxCanvasObjectGroupRef(double x, double y,wxCanvasObjectGroup* group)
  96     :wxCanvasObjectGroupRef(x,y,group)
  97 {
  98 }
  99
 100 void MywxCanvasObjectGroupRef::OnMouse(wxMouseEvent &event)
 101 {
 102     static bool first=FALSE;
 103     static int dx=0;
 104     static int dy=0;
 105
 106     //new position of object
 107     int x = m_owner->GetDeviceX( event.GetX());
 108     int y = m_owner->GetDeviceY( event.GetY());
 109
 110     if (event.m_leftDown)
 111     {
 112         if (!first)
 113         {
 114            first=FALSE;
 115            dx=x;
 116            dy=y;
 117         }
 118         Move(m_x+x-dx,m_y+y-dy);
 119         CaptureMouse();
 120     }
 121     else if (IsCapturedMouse())
 122     {
 123         ReleaseMouse();
 124         first=FALSE;
 125         dx=0;
 126         dy=0;
 127     }
 128 }
 129
 130 class MyFrame;
 131 class MyApp;
 132
 133 // MyFrame
 134
 135 class MyFrame: public wxFrame
 136 {
 137 public:
 138     MyFrame();
 139     ~MyFrame();
 140
 141     void OnAbout( wxCommandEvent &event );
 142     void OnNewFrame( wxCommandEvent &event );
 143     void OnQuit( wxCommandEvent &event );
 144     void OnTimer( wxTimerEvent &event );
 145
 146     wxCanvas         *m_canvas;
 147     wxCanvasObject   *m_sm1;
 148     wxCanvasObject   *m_sm2;
 149     wxCanvasObject   *m_sm3;
 150     wxCanvasObject   *m_sm4;
 151
 152     MywxCanvasObjectGroupRef *m_ref;
 153     MywxCanvasObjectGroupRef *m_ref2;
 154
 155     wxTimer          *m_timer;
 156     wxTextCtrl       *m_log;
 157
 158 private:
 159     DECLARE_DYNAMIC_CLASS(MyFrame)
 160     DECLARE_EVENT_TABLE()
 161 };
 162
 163 // MyApp
 164
 165 class MyApp: public wxApp
 166 {
 167 public:
 168     virtual bool OnInit();
 169
 170     const wxString& GetFontPath() const { return m_fontpath; }
 171
 172 private:
 173     wxString m_fontpath;
 174 };
 175
 176 // main program
 177
 178 IMPLEMENT_APP(MyApp)
 179
 180 // MyFrame
 181
 182 const int ID_QUIT  = 108;
 183 const int ID_ABOUT = 109;
 184
 185 IMPLEMENT_DYNAMIC_CLASS( MyFrame, wxFrame )
 186
 187 BEGIN_EVENT_TABLE(MyFrame,wxFrame)
 188   EVT_MENU    (ID_ABOUT, MyFrame::OnAbout)
 189   EVT_MENU    (ID_QUIT,  MyFrame::OnQuit)
 190   EVT_TIMER   (-1,       MyFrame::OnTimer)
 191 END_EVENT_TABLE()
 192
 193 MyFrame::MyFrame()
 194        : wxFrame( (wxFrame *)NULL, -1, "wxCanvas sample",
 195                   wxPoint(20,20), wxSize(470,860) )
 196 {
 197     wxMenu *file_menu = new wxMenu();
 198     file_menu->Append( ID_ABOUT, "&About...");
 199     file_menu->AppendSeparator();
 200     file_menu->Append( ID_QUIT, "E&xit");
 201
 202     wxMenuBar *menu_bar = new wxMenuBar();
 203     menu_bar->Append(file_menu, "&File");
 204
 205     SetMenuBar( menu_bar );
 206
 207     CreateStatusBar(2);
 208     int widths[] = { -1, 100 };
 209     SetStatusWidths( 2, widths );
 210
 211     m_canvas = new wxCanvas( this, -1, wxPoint(0,0), wxSize(10,10) );
 212
 213     m_canvas->SetArea( 1400, 600 );
 214     m_canvas->SetColour( 255, 255, 255 );
 215
 216
 217     wxBitmap bitmap( smile_xpm );
 218     wxImage image( bitmap );
 219
 220     m_sm1 = new wxCanvasImage( image, 0,70,16,16 );
 221     m_canvas->Append( m_sm1 );
 222
 223     int i;
 224     for (i = 10; i < 300; i+=10)
 225         m_canvas->Append( new wxCanvasRect( i,50,3,140, 255,0,0 ) );
 226
 227     m_sm2 = new wxCanvasImage( image, 0,140,24,24 );
 228     m_canvas->Append( m_sm2 );
 229
 230     for (i = 15; i < 300; i+=10)
 231         m_canvas->Append( new wxCanvasRect( i,50,3,140, 255,0,0 ) );
 232
 233     wxButton *button = new wxButton( m_canvas, -1, "Hello", wxPoint(80,50) );
 234     m_canvas->Append( new wxCanvasControl( button ) );
 235
 236     m_canvas->Append( new wxCanvasText( "Hello", 180, 50,
 237                       wxGetApp().GetFontPath() + "/times.ttf", 20 ) );
 238
 239     m_sm3 = new wxCanvasImage( image, 0,210,32,32 );
 240     m_canvas->Append( m_sm3 );
 241
 242     for (i = 10; i < 300; i+=10)
 243         m_canvas->Append( new wxCanvasLine( 10,-15,i,300, 0,255,0 ) );
 244
 245     m_sm4 = new MywxCanvasImage( image, 0,270,64,32 );
 246     m_canvas->Append( m_sm4 );
 247
 248
 249 //    m_canvas->Append( new wxCanvasLine( 10,-1500e6,50,300000e6, 0,255,0 ) );
 250 //    m_canvas->Append( new wxCanvasLine( 10,-150000,50,300000, 0,255,0 ) );
 251
 252     //make a group of wxCanvasObjects
 253     wxCanvasObjectGroup* group1 = new wxCanvasObjectGroup();
 254     group1->Prepend( new wxCanvasLine( 10,-35,50,190,100,255,0 ) );
 255     group1->Prepend( new wxCanvasImage( image, 4,38,32,32 ) );
 256     group1->Prepend( new wxCanvasRect(20,-20,50,170,0,20,240 ) );
 257     group1->Prepend( new wxCanvasRect(10,20,104,52,0,240,240 ) );
 258
 259
 260     //make another group of wxCanvasObjects
 261     wxCanvasObjectGroup* group2 = new wxCanvasObjectGroup();
 262     group2->Prepend( new wxCanvasImage( image, 60,38,52,32 ) );
 263     group2->Prepend( new wxCanvasRect(10,20,104,52,10,40,10 ) );
 264
 265     //this a reference to group2 put into group1
 266     wxCanvasObjectGroupRef* m_subref = new wxCanvasObjectGroupRef(60,50, group2);
 267     group1->Prepend( m_subref );
 268
 269     //now make two refrences to group1 into root group of the canvas
 270     m_ref = new MywxCanvasObjectGroupRef(40,200, group1);
 271     m_canvas->Prepend( m_ref );
 272
 273     m_ref2 = new MywxCanvasObjectGroupRef(80,350, group1);
 274     m_canvas->Prepend( m_ref2 );
 275
 276
 277     m_log = new wxTextCtrl( this, -1, "", wxPoint(0,0), wxSize(100,100), wxTE_MULTILINE );
 278     wxLog *old_log = wxLog::SetActiveTarget( new wxLogTextCtrl( m_log ) );
 279     delete old_log;
 280
 281     wxBoxSizer *topsizer = new wxBoxSizer( wxVERTICAL );
 282
 283     topsizer->Add( m_canvas, 1, wxEXPAND );
 284     topsizer->Add( m_log, 0, wxEXPAND );
 285
 286     SetAutoLayout( TRUE );
 287     SetSizer( topsizer );
 288
 289     m_timer = new wxTimer( this );
 290     m_timer->Start( 100, FALSE );
 291 }
 292
 293 MyFrame::~MyFrame()
 294 {
 295    delete m_timer;
 296 }
 297
 298 void MyFrame::OnQuit( wxCommandEvent &WXUNUSED(event) )
 299 {
 300     Close( TRUE );
 301 }
 302
 303 void MyFrame::OnTimer( wxTimerEvent &WXUNUSED(event) )
 304 {
 305     m_sm1->Move( m_sm1->GetX()+1, m_sm1 ->GetY() );
 306     m_sm2->Move( m_sm2->GetX()+1, m_sm2->GetY() );
 307     m_sm3->Move( m_sm3->GetX()+1, m_sm3->GetY() );
 308     m_sm4->Move( m_sm4->GetX()+2, m_sm4->GetY() );
 309     m_ref->Move( m_ref->GetPosX()+1, m_ref->GetPosY() );
 310     m_ref2->Move( m_ref2->GetPosX()+2, m_ref2->GetPosY() );
 311
 312     wxWakeUpIdle();
 313 }
 314
 315 void MyFrame::OnAbout( wxCommandEvent &WXUNUSED(event) )
 316 {
 317    (void)wxMessageBox( "wxCanvas demo\n"
 318                       "Robert Roebling (c) 1998,2000",
 319                       "About wxCanvas Demo", wxICON_INFORMATION | wxOK );
 320 }
 321
 322 //-----------------------------------------------------------------------------
 323 // MyApp
 324 //-----------------------------------------------------------------------------
 325
 326 bool MyApp::OnInit()
 327 {
 328   m_fontpath = getenv("TRUETYPE");
 329   if ( !m_fontpath )
 330   {
 331       wxLogError("Please set env var TRUETYPE to the path where times.ttf lives.");
 332
 333       return FALSE;
 334
 335   }
 336
 337 #if wxUSE_LIBPNG
 338   wxImage::AddHandler( new wxPNGHandler );
 339 #endif
 340
 341   wxFrame *frame = new MyFrame();
 342   frame->Show( TRUE );
 343
 344   return TRUE;
 345 }
 346
 347