void OnQuit(wxCommandEvent& event);
void OnAbout(wxCommandEvent& event);
void OnOption(wxCommandEvent &event);
- void OnMouseMove(wxMouseEvent &event);
wxColour SelectColour();
void PrepareDC(wxDC& dc);
{
public:
MyCanvas( MyFrame *parent );
-
- void DoDrawTests( int x, int y, wxDC &dc );
+
+ void DrawTestLines( int x, int y, int width, wxDC &dc );
void OnPaint(wxPaintEvent &event);
+ void OnMouseMove(wxMouseEvent &event);
protected:
MyFrame *m_owner;
// handlers) which process them.
BEGIN_EVENT_TABLE(MyCanvas, wxScrolledWindow)
EVT_PAINT (MyCanvas::OnPaint)
+ EVT_MOTION (MyCanvas::OnMouseMove)
END_EVENT_TABLE()
MyCanvas::MyCanvas( MyFrame *parent )
m_owner = parent;
}
-void MyCanvas::DoDrawTests( int x, int y, wxDC &dc )
+void MyCanvas::DrawTestLines( int x, int y, int width, 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);
-
+ dc.SetPen( wxPen( "black", width, wxSOLID) );
+ dc.SetBrush( *wxRED_BRUSH );
+ dc.DrawRectangle( x+10, y+10, 100, 190 );
+
+ dc.SetPen( wxPen( "black", width, wxSOLID) );
+ dc.DrawLine( x+20, y+20, 100, y+20 );
+ dc.SetPen( wxPen( "black", width, wxDOT) );
+ dc.DrawLine( x+20, y+30, 100, y+30 );
+ dc.SetPen( wxPen( "black", width, wxSHORT_DASH) );
+ dc.DrawLine( x+20, y+40, 100, y+40 );
+ dc.SetPen( wxPen( "black", width, wxLONG_DASH) );
+ dc.DrawLine( x+20, y+50, 100, y+50 );
+ dc.SetPen( wxPen( "black", width, wxDOT_DASH) );
+ dc.DrawLine( x+20, y+60, 100, y+60 );
+
+ dc.SetPen( wxPen( "black", width, wxBDIAGONAL_HATCH) );
+ dc.DrawLine( x+20, y+70, 100, y+70 );
+ dc.SetPen( wxPen( "black", width, wxCROSSDIAG_HATCH) );
+ dc.DrawLine( x+20, y+80, 100, y+80 );
+ dc.SetPen( wxPen( "black", width, wxFDIAGONAL_HATCH) );
+ dc.DrawLine( x+20, y+90, 100, y+90 );
+ dc.SetPen( wxPen( "black", width, wxCROSS_HATCH) );
+ dc.DrawLine( x+20, y+100, 100, y+100 );
+ dc.SetPen( wxPen( "black", width, wxHORIZONTAL_HATCH) );
+ dc.DrawLine( x+20, y+110, 100, y+110 );
+ dc.SetPen( wxPen( "black", width, wxVERTICAL_HATCH) );
+ dc.DrawLine( x+20, y+120, 100, y+120 );
+
+ wxPen ud( "black", width, wxUSER_DASH );
+ wxDash dash1[1];
+ dash1[0] = 0;
+ ud.SetDashes( 1, dash1 );
+ dc.DrawLine( x+20, y+140, 100, y+140 );
+ dash1[0] = 1;
+ ud.SetDashes( 1, dash1 );
+ dc.DrawLine( x+20, y+150, 100, y+150 );
+ dash1[0] = 2;
+ ud.SetDashes( 1, dash1 );
+ dc.DrawLine( x+20, y+160, 100, y+160 );
+ dash1[0] = 0xFF;
+ ud.SetDashes( 1, dash1 );
+ dc.DrawLine( x+20, y+170, 100, y+170 );
+
}
void MyCanvas::OnPaint(wxPaintEvent &WXUNUSED(event))
// mark the origin
dc.DrawCircle(0, 0, 10);
-#ifndef __WXGTK__ // not implemented in wxGTK :-(
+#if !(defined __WXGTK__) && !(defined __WXMOTIF__)
+ // not implemented in wxGTK or wxMOTIF :-(
dc.FloodFill(0, 0, wxColour(255, 0, 0));
-#endif // __WXGTK__
+#endif //
+ // set underlined font for testing
+ dc.SetFont( wxFont(12, wxMODERN, wxNORMAL, wxNORMAL, TRUE) );
dc.DrawText( "This is text", 110, 10 );
+ dc.DrawRotatedText( "That is text", 60, 30, -45 );
- 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.SetFont( *wxNORMAL_FONT );
+
+ wxString text;
+ dc. SetBackgroundMode(wxTRANSPARENT);
+
+ for ( int n = -180; n < 180; n += 30 )
+ {
+ text.Printf(" %d rotated text", n);
+ dc.DrawRotatedText(text , 400, 400, n);
+ }
+
+ dc.SetFont( wxFont( 18, wxSWISS, wxNORMAL, wxNORMAL ) );
+
+ dc.DrawText( "This is Swiss 18pt text.", 110, 40 );
+
+ long length;
+ long height;
+ long descent;
+ dc.GetTextExtent( "This is Swiss 18pt text.", &length, &height, &descent );
+ text.Printf( "Dimensions are length %ld, height %ld, descent %ld", length, height, descent );
+ dc.DrawText( text, 110, 80 );
+
+ dc.DrawRectangle( 100, 40, 4, height );
+
+ text.Printf( "CharHeight() returns: %d", dc.GetCharHeight() );
+ dc.DrawText( text, 110, 120 );
+
+
+ dc.DrawIcon( wxICON(mondrian), 310, 40 );
- dc.SetPen( wxPen( "black", 1, wxDOT_DASH) );
- DoDrawTests( x, y, dc );
+ DrawTestLines( 0, 200, 0, dc );
+
+ DrawTestLines( 0, 400, 1, dc );
+
+ DrawTestLines( 0, 600, 2, dc );
+
+ DrawTestLines( 0, 800, 6, dc );
+
+}
+
+void MyCanvas::OnMouseMove(wxMouseEvent &event)
+{
+ wxClientDC dc(this);
+ PrepareDC(dc);
+ m_owner->PrepareDC(dc);
+
+ wxPoint pos = event.GetPosition();
+ long x = dc.DeviceToLogicalX( pos.x );
+ long y = dc.DeviceToLogicalY( pos.y );
+ wxString str;
+ str.Printf( "Current mouse position: %d,%d", (int)x, (int)y );
+ m_owner->SetStatusText( str );
}
// ----------------------------------------------------------------------------
// 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)
return;
}
- Refresh();
+ m_canvas->Refresh();
}
void MyFrame::PrepareDC(wxDC& dc)
dc.SetAxisOrientation( !m_xAxisReversed, m_yAxisReversed );
}
-void MyFrame::OnMouseMove(wxMouseEvent &event)
-{
- wxClientDC dc(this);
- PrepareDC(dc);
-
- wxPoint pos = event.GetPosition();
- long x = dc.DeviceToLogicalX( pos.x );
- long y = dc.DeviceToLogicalY( pos.y );
- wxString str;
- str.Printf( "Current mouse position: %d,%d", (int)x, (int)y );
- SetStatusText( str );
-}
-
wxColour MyFrame::SelectColour()
{
wxColour col;