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 dx=0;
  57     static 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->Freeze();
 159
 160     m_canvas->SetArea( 400, 600 );
 161     m_canvas->SetColour( 255, 255, 255 );
 162
 163     wxBitmap bitmap( smile_xpm );
 164     wxImage image( bitmap );
 165
 166     m_sm1 = new wxCanvasImage( image, 0,70,16,16 );
 167     m_canvas->Append( m_sm1 );
 168
 169     int i;
 170     for (i = 10; i < 300; i+=10)
 171         m_canvas->Append( new wxCanvasRect( i,50,3,140, 255,0,0 ) );
 172
 173     m_sm2 = new wxCanvasImage( image, 0,140,24,24 );
 174     m_canvas->Append( m_sm2 );
 175
 176     for (i = 15; i < 300; i+=10)
 177         m_canvas->Append( new wxCanvasRect( i,50,3,140, 255,0,0 ) );
 178
 179     wxButton *button = new wxButton( m_canvas, -1, "Hello", wxPoint(80,50) );
 180     m_canvas->Append( new wxCanvasControl( button ) );
 181
 182     m_canvas->Append( new wxCanvasText( "Hello", 180, 50,
 183                       wxGetApp().GetFontPath() + "/times.ttf", 20 ) );
 184
 185     m_sm3 = new wxCanvasImage( image, 0,210,32,32 );
 186     m_canvas->Append( m_sm3 );
 187
 188     for (i = 10; i < 300; i+=10)
 189         m_canvas->Append( new wxCanvasLine( 10,-15,i,300, 0,255,0 ) );
 190
 191 //    m_canvas->Append( new wxCanvasLine( 10,-1500e6,50,300000e6, 0,255,0 ) );
 192 //    m_canvas->Append( new wxCanvasLine( 10,-150000,50,300000, 0,255,0 ) );
 193
 194     m_sm4 = new MywxCanvasImage( image, 0,270,64,32 );
 195     m_canvas->Append( m_sm4 );
 196
 197     m_canvas->Thaw();
 198
 199     m_log = new wxTextCtrl( this, -1, "", wxPoint(0,0), wxSize(100,100), wxTE_MULTILINE );
 200     wxLog *old_log = wxLog::SetActiveTarget( new wxLogTextCtrl( m_log ) );
 201     delete old_log;
 202
 203     wxBoxSizer *topsizer = new wxBoxSizer( wxVERTICAL );
 204
 205     topsizer->Add( m_canvas, 1, wxEXPAND );
 206     topsizer->Add( m_log, 0, wxEXPAND );
 207
 208     SetAutoLayout( TRUE );
 209     SetSizer( topsizer );
 210
 211     m_timer = new wxTimer( this );
 212     m_timer->Start( 100, FALSE );
 213 }
 214
 215 MyFrame::~MyFrame()
 216 {
 217    delete m_timer;
 218 }
 219
 220 void MyFrame::OnQuit( wxCommandEvent &WXUNUSED(event) )
 221 {
 222     Close( TRUE );
 223 }
 224
 225 void MyFrame::OnTimer( wxTimerEvent &WXUNUSED(event) )
 226 {
 227     m_sm1->Move( m_sm1->GetX()+1, m_sm1->GetY() );
 228     m_sm2->Move( m_sm2->GetX()+1, m_sm2->GetY() );
 229     m_sm3->Move( m_sm3->GetX()+1, m_sm3->GetY() );
 230     m_sm4->Move( m_sm4->GetX()+1, m_sm4->GetY() );
 231     wxWakeUpIdle();
 232 }
 233
 234 void MyFrame::OnAbout( wxCommandEvent &WXUNUSED(event) )
 235 {
 236    (void)wxMessageBox( "wxCanvas demo\n"
 237                       "Robert Roebling (c) 1998,2000",
 238                       "About wxCanvas Demo", wxICON_INFORMATION | wxOK );
 239 }
 240
 241 //-----------------------------------------------------------------------------
 242 // MyApp
 243 //-----------------------------------------------------------------------------
 244
 245 bool MyApp::OnInit()
 246 {
 247   m_fontpath = getenv("TRUETYPE");
 248   if ( !m_fontpath )
 249   {
 250       wxLogError("Please set env var TRUETYPE to the path where times.ttf lives.");
 251
 252       return FALSE;
 253
 254   }
 255
 256 #if wxUSE_LIBPNG
 257   wxImage::AddHandler( new wxPNGHandler );
 258 #endif
 259
 260   wxFrame *frame = new MyFrame();
 261   frame->Show( TRUE );
 262
 263   return TRUE;
 264 }
 265
 266