+// the event tables connect the wxWindows events with the functions (event
+// handlers) which process them.
+BEGIN_EVENT_TABLE(MyCanvas, wxScrolledWindow)
+ EVT_PAINT (MyCanvas::OnPaint)
+END_EVENT_TABLE()
+
+MyCanvas::MyCanvas( MyFrame *parent )
+ : wxScrolledWindow( parent )
+{
+ m_owner = parent;
+}
+
+void MyCanvas::DoDrawTests( int x, int y, wxDC &dc )
+{
+ wxRect rect;
+ rect.x = dc.LogicalToDeviceX( x-20 );
+ rect.y = dc.LogicalToDeviceY( y-20 );
+ rect.width = dc.LogicalToDeviceXRel( 500 );
+ rect.height = dc.LogicalToDeviceYRel( 200 );
+ if (!IsExposed(rect)) return;
+
+ dc.DrawLine( x , y, x , y );
+ dc.DrawLine( x+ 20, y, x+ 20, y+ 1 );
+ dc.DrawLine( x+ 40, y, x+ 40, y+ 2 );
+ dc.DrawLine( x+ 60, y, x+ 60, y+ 3 );
+ dc.DrawLine( x+ 80, y, x+ 80, y+ 4 );
+ dc.DrawLine( x+100, y, x+100, y+ 5 );
+ dc.DrawLine( x+120, y, x+120, y+ 6 );
+ dc.DrawLine( x+140, y, x+140, y+10 );
+ dc.DrawLine( x+160, y, x+160, y+20 );
+ dc.DrawLine( x+180, y, x+180, y+30 );
+
+ dc.DrawLine( x+200, y, x+200 , y );
+ dc.DrawLine( x+220, y, x+220+ 1, y+ 1 );
+ dc.DrawLine( x+240, y, x+240+ 2, y+ 2 );
+ dc.DrawLine( x+260, y, x+260+ 3, y+ 3 );
+ dc.DrawLine( x+280, y, x+280+ 4, y+ 4 );
+ dc.DrawLine( x+300, y, x+300+ 5, y+ 5 );
+ dc.DrawLine( x+320, y, x+320+ 6, y+ 6 );
+ dc.DrawLine( x+340, y, x+340+10, y+10 );
+ dc.DrawLine( x+360, y, x+360+20, y+20 );
+ dc.DrawLine( x+380, y, x+380+30, y+30 );
+
+ dc.DrawLine( x+420, y , x+420 , y );
+ dc.DrawLine( x+420, y+10, x+420+1, y+10 );
+ dc.DrawLine( x+420, y+20, x+420+2, y+20 );
+ dc.DrawLine( x+420, y+30, x+420+3, y+30 );
+ dc.DrawLine( x+420, y+40, x+420+4, y+40 );
+ dc.DrawLine( x+420, y+50, x+420+5, y+50 );
+ dc.DrawLine( x+420, y+60, x+420+6, y+60 );
+ dc.DrawLine( x+420, y+70, x+420+10, y+70 );
+ dc.DrawLine( x+420, y+80, x+420+20, y+80 );
+ dc.DrawLine( x+420, y+90, x+420+30, y+90 );
+
+ y -= 40;
+
+ dc.DrawCircle( x, y+100, 1);
+ dc.DrawCircle( x, y+110, 2);
+ dc.DrawCircle( x, y+120, 3);
+ dc.DrawCircle( x, y+130, 4);
+ dc.DrawCircle( x, y+140, 5);
+ dc.DrawCircle( x, y+160, 7);
+ dc.DrawCircle( x, y+180, 8);
+
+ dc.DrawRectangle( x+50, y+100, 1, 1);
+ dc.DrawRectangle( x+50, y+110, 2, 2);
+ dc.DrawRectangle( x+50, y+120, 3, 3);
+ dc.DrawRectangle( x+50, y+130, 4, 4);
+ dc.DrawRectangle( x+50, y+140, 5, 5);
+ dc.DrawRectangle( x+50, y+160, 10, 10);
+ dc.DrawRectangle( x+50, y+180, 20, 20);
+
+ dc.DrawRoundedRectangle( x+100, y+100, 1, 1, 1);
+ dc.DrawRoundedRectangle( x+100, y+110, 2, 2, 1);
+ dc.DrawRoundedRectangle( x+100, y+120, 3, 3, 1);
+ dc.DrawRoundedRectangle( x+100, y+130, 4, 4, 1);
+ dc.DrawRoundedRectangle( x+100, y+140, 5, 5, 1);
+ dc.DrawRoundedRectangle( x+100, y+160, 10, 10, 1);
+ dc.DrawRoundedRectangle( x+100, y+180, 20, 20, 1);
+
+ dc.DrawRoundedRectangle( x+150, y+100, 1, 1, 2);
+ dc.DrawRoundedRectangle( x+150, y+110, 2, 2, 2);
+ dc.DrawRoundedRectangle( x+150, y+120, 3, 3, 2);
+ dc.DrawRoundedRectangle( x+150, y+130, 4, 4, 2);
+ dc.DrawRoundedRectangle( x+150, y+140, 5, 5, 2);
+ dc.DrawRoundedRectangle( x+150, y+160, 10, 10, 2);
+ dc.DrawRoundedRectangle( x+150, y+180, 20, 20, 2);
+
+ dc.DrawRoundedRectangle( x+200, y+100, 1, 1, 3);
+ dc.DrawRoundedRectangle( x+200, y+110, 2, 2, 3);
+ dc.DrawRoundedRectangle( x+200, y+120, 3, 3, 3);
+ dc.DrawRoundedRectangle( x+200, y+130, 4, 4, 3);
+ dc.DrawRoundedRectangle( x+200, y+140, 5, 5, 3);
+ dc.DrawRoundedRectangle( x+200, y+160, 10, 10, 3);
+ dc.DrawRoundedRectangle( x+200, y+180, 20, 20, 3);
+
+ dc.DrawRoundedRectangle( x+250, y+100, 1, 1, 5);
+ dc.DrawRoundedRectangle( x+250, y+110, 2, 2, 5);
+ dc.DrawRoundedRectangle( x+250, y+120, 3, 3, 5);
+ dc.DrawRoundedRectangle( x+250, y+130, 4, 4, 5);
+ dc.DrawRoundedRectangle( x+250, y+140, 5, 5, 5);
+ dc.DrawRoundedRectangle( x+250, y+160, 10, 10, 5);
+ dc.DrawRoundedRectangle( x+250, y+180, 20, 20, 5);
+
+ dc.DrawRoundedRectangle( x+300, y+100, 1, 1, 10);
+ dc.DrawRoundedRectangle( x+300, y+110, 2, 2, 10);
+ dc.DrawRoundedRectangle( x+300, y+120, 3, 3, 10);
+ dc.DrawRoundedRectangle( x+300, y+130, 4, 4, 10);
+ dc.DrawRoundedRectangle( x+300, y+140, 5, 5, 10);
+ dc.DrawRoundedRectangle( x+300, y+160, 10, 10, 10);
+ dc.DrawRoundedRectangle( x+300, y+180, 20, 20, 10);
+
+}
+
+void MyCanvas::OnPaint(wxPaintEvent &WXUNUSED(event))
+{
+ wxPaintDC dc(this);
+ PrepareDC(dc);
+ m_owner->PrepareDC(dc);
+
+ dc.SetBackgroundMode( m_owner->m_backgroundMode );
+ if ( m_owner->m_backgroundBrush.Ok() )
+ dc.SetBackground( m_owner->m_backgroundBrush );
+ if ( m_owner->m_colourForeground.Ok() )
+ dc.SetTextForeground( m_owner->m_colourForeground );
+ if ( m_owner->m_colourBackground.Ok() )
+ dc.SetTextBackground( m_owner->m_colourBackground );
+
+ // mark the origin
+ dc.DrawCircle(0, 0, 10);
+#ifndef __WXGTK__ // not implemented in wxGTK :-(
+ dc.FloodFill(0, 0, wxColour(255, 0, 0));
+#endif // __WXGTK__
+
+ dc.DrawText( "This is text", 110, 10 );
+
+ dc.DrawIcon( wxICON(mondrian), 110, 40 );
+
+ dc.SetBrush( *wxRED_BRUSH );
+
+ int x = 20;
+ int y = 80;
+ int step = 200;
+
+ dc.SetPen( wxPen( "black", 1, 0) );
+ DoDrawTests( x, y, dc );
+
+ y += step;
+
+ dc.SetPen( wxPen( "black", 1, wxDOT) );
+ DoDrawTests( x, y, dc );
+
+ y += step;
+
+ dc.SetPen( wxPen( "black", 1, wxSHORT_DASH) );
+ DoDrawTests( x, y, dc );
+
+ y += step;
+
+ dc.SetPen( wxPen( "black", 1, wxLONG_DASH) );
+ DoDrawTests( x, y, dc );
+
+ y += step;
+
+ dc.SetPen( wxPen( "black", 1, wxDOT_DASH) );
+ DoDrawTests( x, y, dc );
+}
+
+// ----------------------------------------------------------------------------
+// MyFrame
+// ----------------------------------------------------------------------------
+
+// the event tables connect the wxWindows events with the functions (event
+// handlers) which process them. It can be also done at run-time, but for the
+// simple menu events like this the static method is much simpler.
+BEGIN_EVENT_TABLE(MyFrame, wxFrame)
+ EVT_MOTION (MyFrame::OnMouseMove)
+ EVT_MENU (Minimal_Quit, MyFrame::OnQuit)
+ EVT_MENU (Minimal_About, MyFrame::OnAbout)
+ EVT_MENU_RANGE(MenuOption_First, MenuOption_Last, MyFrame::OnOption)
+END_EVENT_TABLE()
+