Force linking of gprint.cpp, otherwise Gnome printing may not work

[wxWidgets.git] / samples / drawing / drawing.cpp

diff --git a/samples/drawing/drawing.cpp b/samples/drawing/drawing.cpp
index 8e3ae49a16ae6820bff076df226e891962dd28a7..9f598ddf9e01092cc1fcc8ecb214282e759c0cd7 100644 (file)
--- a/samples/drawing/drawing.cpp
+++ b/samples/drawing/drawing.cpp
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////////
 /////////////////////////////////////////////////////////////////////////////

-// Name:        drawing.cpp
+// Name:        samples/drawing/drawing.cpp

 // Purpose:     shows and tests wxDC features
 // Author:      Robert Roebling
 // Modified by:
 // Purpose:     shows and tests wxDC features
 // Author:      Robert Roebling
 // Modified by:


@@ -17,11 +17,6 @@
 // headers
 // ----------------------------------------------------------------------------
 
 // headers
 // ----------------------------------------------------------------------------
 

-#if defined(__GNUG__) && !defined(__APPLE__)
-    #pragma implementation "drawing.cpp"
-    #pragma interface "drawing.cpp"
-#endif
-

 // For compilers that support precompilation, includes "wx/wx.h".
 #include "wx/wxprec.h"
 
 // For compilers that support precompilation, includes "wx/wx.h".
 #include "wx/wxprec.h"
 


@@ -64,7 +59,8 @@ enum ScreenToShow
     Show_Mask,
     Show_Ops,
     Show_Regions,
     Show_Mask,
     Show_Ops,
     Show_Regions,

-    Show_Circles
+    Show_Circles,
+    Show_Splines

 };
 
 // ----------------------------------------------------------------------------
 };
 
 // ----------------------------------------------------------------------------


@@ -119,7 +115,9 @@ public:
     void OnShow(wxCommandEvent &event);
     void OnOption(wxCommandEvent &event);
 
     void OnShow(wxCommandEvent &event);
     void OnOption(wxCommandEvent &event);
 

+#if wxUSE_COLOURDLG

     wxColour SelectColour();
     wxColour SelectColour();

+#endif // wxUSE_COLOURDLG

     void PrepareDC(wxDC& dc);
 
     int         m_backgroundMode;
     void PrepareDC(wxDC& dc);
 
     int         m_backgroundMode;


@@ -164,6 +162,7 @@ protected:
     void DrawWithLogicalOps(wxDC& dc);
     void DrawRegions(wxDC& dc);
     void DrawCircles(wxDC& dc);
     void DrawWithLogicalOps(wxDC& dc);
     void DrawRegions(wxDC& dc);
     void DrawCircles(wxDC& dc);

+    void DrawSplines(wxDC& dc);

     void DrawDefault(wxDC& dc);
 
     void DrawRegionsHelper(wxDC& dc, wxCoord x, bool firstTime);
     void DrawDefault(wxDC& dc);
 
     void DrawRegionsHelper(wxDC& dc, wxCoord x, bool firstTime);


@@ -187,10 +186,10 @@ private:
 enum
 {
     // menu items
 enum
 {
     // menu items

-    File_Quit = 1,
-    File_About,
+    File_Quit = wxID_EXIT,
+    File_About = wxID_ABOUT,

 
 

-    MenuShow_First,
+    MenuShow_First = wxID_HIGHEST,

     File_ShowDefault = MenuShow_First,
     File_ShowText,
     File_ShowLines,
     File_ShowDefault = MenuShow_First,
     File_ShowText,
     File_ShowLines,


@@ -200,7 +199,8 @@ enum
     File_ShowOps,
     File_ShowRegions,
     File_ShowCircles,
     File_ShowOps,
     File_ShowRegions,
     File_ShowCircles,

-    MenuShow_Last = File_ShowCircles,
+    File_ShowSplines,
+    MenuShow_Last = File_ShowSplines,

 
     File_Clip,
 
 
     File_Clip,
 


@@ -228,9 +228,11 @@ enum
     LogicalOrigin_Set,
     LogicalOrigin_Restore,
 
     LogicalOrigin_Set,
     LogicalOrigin_Restore,
 

+#if wxUSE_COLOURDLG

     Colour_TextForeground,
     Colour_TextBackground,
     Colour_Background,
     Colour_TextForeground,
     Colour_TextBackground,
     Colour_Background,

+#endif // wxUSE_COLOURDLG

     Colour_BackgroundMode,
     Colour_TextureBackgound,
 
     Colour_BackgroundMode,
     Colour_TextureBackgound,
 


@@ -509,11 +511,16 @@ void MyCanvas::DrawDefault(wxDC& dc)
     // mark the origin
     dc.DrawCircle(0, 0, 10);
 
     // mark the origin
     dc.DrawCircle(0, 0, 10);
 

+#if !wxMAC_USE_CORE_GRAPHICS
+    // GetPixel and FloodFill not supported by Mac OS X CoreGraphics
+    // (FloodFill uses Blit from a non-wxMemoryDC)

     //flood fill using brush, starting at 1,1 and replacing whatever colour we find there
     dc.SetBrush(wxBrush(wxColour(128,128,0), wxSOLID));
     //flood fill using brush, starting at 1,1 and replacing whatever colour we find there
     dc.SetBrush(wxBrush(wxColour(128,128,0), wxSOLID));

+

     wxColour tmpColour ;
     dc.GetPixel(1,1, &tmpColour);
     dc.FloodFill(1,1, tmpColour, wxFLOOD_SURFACE);
     wxColour tmpColour ;
     dc.GetPixel(1,1, &tmpColour);
     dc.FloodFill(1,1, tmpColour, wxFLOOD_SURFACE);

+#endif

 
     dc.DrawCheckMark(5, 80, 15, 15);
     dc.DrawCheckMark(25, 80, 30, 30);
 
     dc.DrawCheckMark(5, 80, 15, 15);
     dc.DrawCheckMark(25, 80, 30, 30);


@@ -660,7 +667,7 @@ void MyCanvas::DrawDefault(wxDC& dc)
 
     // Added by JACS to demonstrate bizarre behaviour.
     // With a size of 70, we get a missing red RHS,
 
     // Added by JACS to demonstrate bizarre behaviour.
     // With a size of 70, we get a missing red RHS,

-    // and the hight is too small, so we get yellow
+    // and the height is too small, so we get yellow

     // showing. With a size of 40, it draws as expected:
     // it just shows a white rectangle with red outline.
     int totalWidth = 70;
     // showing. With a size of 40, it draws as expected:
     // it just shows a white rectangle with red outline.
     int totalWidth = 70;


@@ -670,11 +677,12 @@ void MyCanvas::DrawDefault(wxDC& dc)
     wxMemoryDC memdc2;
     memdc2.SelectObject(bitmap2);
 
     wxMemoryDC memdc2;
     memdc2.SelectObject(bitmap2);
 

-    wxBrush yellowBrush(wxColour(255, 255, 0), wxSOLID);
+    wxColour clr(255, 255, 0);
+    wxBrush yellowBrush(clr, wxSOLID);

     memdc2.SetBackground(yellowBrush);
     memdc2.Clear();
 
     memdc2.SetBackground(yellowBrush);
     memdc2.Clear();
 

-    wxPen yellowPen(wxColour(255, 255, 0), 1, wxSOLID);
+    wxPen yellowPen(clr, 1, wxSOLID);

 
     // Now draw a white rectangle with red outline. It should
     // entirely eclipse the yellow background.
 
     // Now draw a white rectangle with red outline. It should
     // entirely eclipse the yellow background.


@@ -875,6 +883,94 @@ void MyCanvas::DrawCircles(wxDC& dc)
     dc.DrawEllipticArc(x + 5*r, y, 2*r, r, 270, 360);
 }
 
     dc.DrawEllipticArc(x + 5*r, y, 2*r, r, 270, 360);
 }
 

+void MyCanvas::DrawSplines(wxDC& dc)
+{
+#if wxUSE_SPLINES
+    dc.DrawText(_T("Some splines"), 10, 5);
+
+    // values are hardcoded rather than randomly generated
+    // so the output can be compared between native
+    // implementations on platforms with different random
+    // generators
+
+    const int R = 300;
+    const wxPoint center( R + 20, R + 20 );
+    const int angles[7] = { 0, 10, 33, 77, 13, 145, 90 };
+    const int radii[5] = { 100 , 59, 85, 33, 90 };
+    const int n = 200;
+    wxPoint pts[n];
+
+    // background spline calculation
+    unsigned int radius_pos = 0;
+    unsigned int angle_pos = 0;
+    int angle = 0;
+    for ( int i = 0; i < n; i++ )
+    {
+        angle += angles[ angle_pos ];
+        int r = R * radii[ radius_pos ] / 100;
+        pts[ i ].x = center.x + (wxCoord)( r * cos( M_PI * angle / 180.0) );
+        pts[ i ].y = center.y + (wxCoord)( r * sin( M_PI * angle / 180.0) );
+
+        angle_pos++;
+        if ( angle_pos >= WXSIZEOF(angles) ) angle_pos = 0;
+
+        radius_pos++;
+        if ( radius_pos >= WXSIZEOF(radii) ) radius_pos = 0;
+    }
+
+    // background spline drawing
+    dc.SetPen(*wxRED_PEN);
+    dc.DrawSpline(WXSIZEOF(pts), pts);
+
+    // less detailed spline calculation
+    wxPoint letters[4][5];
+    // w
+    letters[0][0] = wxPoint( 0,1); //  O           O
+    letters[0][1] = wxPoint( 1,3); //   *         *
+    letters[0][2] = wxPoint( 2,2); //    *   O   *
+    letters[0][3] = wxPoint( 3,3); //     * * * *
+    letters[0][4] = wxPoint( 4,1); //      O   O
+    // x1
+    letters[1][0] = wxPoint( 5,1); //  O*O
+    letters[1][1] = wxPoint( 6,1); //     *
+    letters[1][2] = wxPoint( 7,2); //      O
+    letters[1][3] = wxPoint( 8,3); //       *
+    letters[1][4] = wxPoint( 9,3); //        O*O
+    // x2
+    letters[2][0] = wxPoint( 5,3); //        O*O
+    letters[2][1] = wxPoint( 6,3); //       *
+    letters[2][2] = wxPoint( 7,2); //      O
+    letters[2][3] = wxPoint( 8,1); //     *
+    letters[2][4] = wxPoint( 9,1); //  O*O
+    // W
+    letters[3][0] = wxPoint(10,0); //  O           O
+    letters[3][1] = wxPoint(11,3); //   *         *
+    letters[3][2] = wxPoint(12,1); //    *   O   *
+    letters[3][3] = wxPoint(13,3); //     * * * *
+    letters[3][4] = wxPoint(14,0); //      O   O
+
+    const int dx = 2 * R / letters[3][4].x;
+    const int h[4] = { -R/2, 0, R/4, R/2 };
+
+    for ( int m = 0; m < 4; m++ )
+    {
+        for ( int n = 0; n < 5; n++ )
+        {
+            letters[m][n].x = center.x - R + letters[m][n].x * dx;
+            letters[m][n].y = center.y + h[ letters[m][n].y ];
+        }
+
+        dc.SetPen( wxPen( wxT("blue"), 1, wxDOT) );
+        dc.DrawLines(5, letters[m]);
+        dc.SetPen( wxPen( wxT("black"), 4, wxSOLID) );
+        dc.DrawSpline(5, letters[m]);
+    }
+
+#else
+    dc.DrawText(_T("Splines not supported."), 10, 5);
+#endif
+}
+

 void MyCanvas::DrawRegions(wxDC& dc)
 {
     dc.DrawText(_T("You should see a red rect partly covered by a cyan one ")
 void MyCanvas::DrawRegions(wxDC& dc)
 {
     dc.DrawText(_T("You should see a red rect partly covered by a cyan one ")


@@ -947,7 +1043,8 @@ void MyCanvas::OnPaint(wxPaintEvent &WXUNUSED(event))
 
     if ( m_owner->m_textureBackground) {
         if ( ! m_owner->m_backgroundBrush.Ok() ) {
 
     if ( m_owner->m_textureBackground) {
         if ( ! m_owner->m_backgroundBrush.Ok() ) {

-            wxBrush b(wxColour(0,128,0), wxSOLID);
+            wxColour clr(0,128,0);
+            wxBrush b(clr, wxSOLID);

             dc.SetBackground(b);
         }
     }
             dc.SetBackground(b);
         }
     }


@@ -974,6 +1071,10 @@ void MyCanvas::OnPaint(wxPaintEvent &WXUNUSED(event))
             DrawCircles(dc);
             break;
 
             DrawCircles(dc);
             break;
 

+        case Show_Splines:
+            DrawSplines(dc);
+            break;
+

         case Show_Regions:
             DrawRegions(dc);
             break;
         case Show_Regions:
             DrawRegions(dc);
             break;


@@ -1009,6 +1110,7 @@ void MyCanvas::OnPaint(wxPaintEvent &WXUNUSED(event))
 
 void MyCanvas::OnMouseMove(wxMouseEvent &event)
 {
 
 void MyCanvas::OnMouseMove(wxMouseEvent &event)
 {

+#if wxUSE_STATUSBAR

     wxClientDC dc(this);
     PrepareDC(dc);
     m_owner->PrepareDC(dc);
     wxClientDC dc(this);
     PrepareDC(dc);
     m_owner->PrepareDC(dc);


@@ -1019,6 +1121,9 @@ void MyCanvas::OnMouseMove(wxMouseEvent &event)
     wxString str;
     str.Printf( wxT("Current mouse position: %d,%d"), (int)x, (int)y );
     m_owner->SetStatusText( str );
     wxString str;
     str.Printf( wxT("Current mouse position: %d,%d"), (int)x, (int)y );
     m_owner->SetStatusText( str );

+#else
+    wxUnusedVar(event);
+#endif // wxUSE_STATUSBAR

 }
 
 // ----------------------------------------------------------------------------
 }
 
 // ----------------------------------------------------------------------------


@@ -1056,6 +1161,7 @@ MyFrame::MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size)
     menuFile->Append(File_ShowOps, _T("&ROP screen\tF7"));
     menuFile->Append(File_ShowRegions, _T("Re&gions screen\tF8"));
     menuFile->Append(File_ShowCircles, _T("&Circles screen\tF9"));
     menuFile->Append(File_ShowOps, _T("&ROP screen\tF7"));
     menuFile->Append(File_ShowRegions, _T("Re&gions screen\tF8"));
     menuFile->Append(File_ShowCircles, _T("&Circles screen\tF9"));

+    menuFile->Append(File_ShowSplines, _T("&Splines screen"));

     menuFile->AppendSeparator();
     menuFile->AppendCheckItem(File_Clip, _T("&Clip\tCtrl-C"), _T("Clip/unclip drawing"));
     menuFile->AppendSeparator();
     menuFile->AppendSeparator();
     menuFile->AppendCheckItem(File_Clip, _T("&Clip\tCtrl-C"), _T("Clip/unclip drawing"));
     menuFile->AppendSeparator();


@@ -1079,8 +1185,8 @@ MyFrame::MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size)
     menuUserScale->Append( UserScale_Restore, _T("&Restore to normal\tCtrl-0") );
 
     wxMenu *menuAxis = new wxMenu;
     menuUserScale->Append( UserScale_Restore, _T("&Restore to normal\tCtrl-0") );
 
     wxMenu *menuAxis = new wxMenu;

-    menuAxis->Append( AxisMirror_Horiz, _T("Mirror horizontally\tCtrl-M"), _T(""), true );
-    menuAxis->Append( AxisMirror_Vertic, _T("Mirror vertically\tCtrl-N"), _T(""), true );
+    menuAxis->AppendCheckItem( AxisMirror_Horiz, _T("Mirror horizontally\tCtrl-M") );
+    menuAxis->AppendCheckItem( AxisMirror_Vertic, _T("Mirror vertically\tCtrl-N") );

 
     wxMenu *menuLogical = new wxMenu;
     menuLogical->Append( LogicalOrigin_MoveDown, _T("Move &down\tCtrl-D") );
 
     wxMenu *menuLogical = new wxMenu;
     menuLogical->Append( LogicalOrigin_MoveDown, _T("Move &down\tCtrl-D") );


@@ -1092,11 +1198,13 @@ MyFrame::MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size)
     menuLogical->Append( LogicalOrigin_Restore, _T("&Restore to normal\tShift-Ctrl-0") );
 
     wxMenu *menuColour = new wxMenu;
     menuLogical->Append( LogicalOrigin_Restore, _T("&Restore to normal\tShift-Ctrl-0") );
 
     wxMenu *menuColour = new wxMenu;

+#if wxUSE_COLOURDLG

     menuColour->Append( Colour_TextForeground, _T("Text &foreground...") );
     menuColour->Append( Colour_TextBackground, _T("Text &background...") );
     menuColour->Append( Colour_Background, _T("Background &colour...") );
     menuColour->Append( Colour_TextForeground, _T("Text &foreground...") );
     menuColour->Append( Colour_TextBackground, _T("Text &background...") );
     menuColour->Append( Colour_Background, _T("Background &colour...") );

-    menuColour->Append( Colour_BackgroundMode, _T("&Opaque/transparent\tCtrl-B"), _T(""), true );
-    menuColour->Append( Colour_TextureBackgound, _T("Draw textured back&ground\tCtrl-T"), _T(""), true);
+#endif // wxUSE_COLOURDLG
+    menuColour->AppendCheckItem( Colour_BackgroundMode, _T("&Opaque/transparent\tCtrl-B") );
+    menuColour->AppendCheckItem( Colour_TextureBackgound, _T("Draw textured back&ground\tCtrl-T") );

 
     // now append the freshly created menu to the menu bar...
     wxMenuBar *menuBar = new wxMenuBar;
 
     // now append the freshly created menu to the menu bar...
     wxMenuBar *menuBar = new wxMenuBar;


@@ -1110,9 +1218,10 @@ MyFrame::MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size)
     // ... and attach this menu bar to the frame
     SetMenuBar(menuBar);
 
     // ... and attach this menu bar to the frame
     SetMenuBar(menuBar);
 

-    // create a status bar just for fun (by default with 1 pane only)
+#if wxUSE_STATUSBAR

     CreateStatusBar(2);
     SetStatusText(_T("Welcome to wxWidgets!"));
     CreateStatusBar(2);
     SetStatusText(_T("Welcome to wxWidgets!"));

+#endif // wxUSE_STATUSBAR

 
     m_mapMode = wxMM_TEXT;
     m_xUserScale = 1.0;
 
     m_mapMode = wxMM_TEXT;
     m_xUserScale = 1.0;


@@ -1225,6 +1334,7 @@ void MyFrame::OnOption(wxCommandEvent& event)
             m_xAxisReversed = !m_xAxisReversed;
             break;
 
             m_xAxisReversed = !m_xAxisReversed;
             break;
 

+#if wxUSE_COLOURDLG

         case Colour_TextForeground:
             m_colourForeground = SelectColour();
             break;
         case Colour_TextForeground:
             m_colourForeground = SelectColour();
             break;


@@ -1240,6 +1350,8 @@ void MyFrame::OnOption(wxCommandEvent& event)
                 }
             }
             break;
                 }
             }
             break;

+#endif // wxUSE_COLOURDLG
+

         case Colour_BackgroundMode:
             m_backgroundMode = m_backgroundMode == wxSOLID ? wxTRANSPARENT
                                                            : wxSOLID;
         case Colour_BackgroundMode:
             m_backgroundMode = m_backgroundMode == wxSOLID ? wxTRANSPARENT
                                                            : wxSOLID;


@@ -1265,6 +1377,7 @@ void MyFrame::PrepareDC(wxDC& dc)
     dc.SetMapMode( m_mapMode );
 }
 
     dc.SetMapMode( m_mapMode );
 }
 

+#if wxUSE_COLOURDLG

 wxColour MyFrame::SelectColour()
 {
     wxColour col;
 wxColour MyFrame::SelectColour()
 {
     wxColour col;


@@ -1278,4 +1391,4 @@ wxColour MyFrame::SelectColour()
 
     return col;
 }
 
     return col;
 }

-
+#endif // wxUSE_COLOURDLG