Tcl regex lib

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

diff --git a/samples/drawing/drawing.cpp b/samples/drawing/drawing.cpp
index b8c1079ae33f309bfad89f5985c1fc08f5715b0d..6e15c9c541c43ccd0caddb8c498c4ba67f5c7d7b 100644 (file)
--- a/samples/drawing/drawing.cpp
+++ b/samples/drawing/drawing.cpp
@@ -115,6 +115,7 @@ public:
     // event handlers (these functions should _not_ be virtual)
     void OnQuit(wxCommandEvent& event);
     void OnAbout(wxCommandEvent& event);
+    void OnClip(wxCommandEvent& event);
     void OnShow(wxCommandEvent &event);
     void OnOption(wxCommandEvent &event);
 
@@ -151,6 +152,9 @@ public:
 
     void Show(ScreenToShow show) { m_show = show; Refresh(); }
 
+    // set or remove the clipping region
+    void Clip(bool clip) { m_clip = clip; Refresh(); }
+
 protected:
     void DrawTestLines( int x, int y, int width, wxDC &dc );
     void DrawTestPoly(wxDC& dc);
@@ -170,6 +174,7 @@ private:
     ScreenToShow m_show;
     wxBitmap     m_smile_bmp;
     wxIcon       m_std_icon;
+    bool         m_clip;
 
     DECLARE_EVENT_TABLE()
 };
@@ -197,6 +202,8 @@ enum
     File_ShowCircles,
     MenuShow_Last = File_ShowCircles,
 
+    File_Clip,
+
     MenuOption_First,
 
     MapMode_Text = MenuOption_First,
@@ -475,10 +482,12 @@ void MyCanvas::DrawDefault(wxDC& dc)
 {
     // mark the origin
     dc.DrawCircle(0, 0, 10);
-#if !(defined __WXGTK__) && !(defined __WXX11__) && !(defined __WXMOTIF__) && !(defined __WXMGL__)
-    // not implemented in wxGTK or wxMOTIF or wxX11 :-(
-    dc.FloodFill(0, 0, wxColour(255, 0, 0));
-#endif //
+
+    //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);
 
     dc.DrawCheckMark(5, 80, 15, 15);
     dc.DrawCheckMark(25, 80, 30, 30);
@@ -876,9 +885,10 @@ void MyCanvas::DrawRegionsHelper(wxDC& dc, wxCoord x, bool firstTime)
     dc.DestroyClippingRegion();
 
     wxRegion region(x + 110, y + 20, 100, 270);
+#if !defined(__WXMOTIF__) && !defined(__WXMAC__)
     if ( !firstTime )
         region.Offset(10, 10);
-
+#endif
     dc.SetClippingRegion(region);
 
     dc.SetBrush( *wxGREY_BRUSH );
@@ -916,11 +926,15 @@ void MyCanvas::OnPaint(wxPaintEvent &WXUNUSED(event))
         }
     }
 
+    if ( m_clip )
+        dc.SetClippingRegion(100, 100, 100, 100);
+
     dc.Clear();
 
-    if ( m_owner->m_textureBackground) {
+    if ( m_owner->m_textureBackground )
+    {
         dc.SetPen(*wxMEDIUM_GREY_PEN);
-        for (int i=0; i<200; i++)
+        for ( int i = 0; i < 200; i++ )
             dc.DrawLine(0, i*10, i*10, 0);
     }
 
@@ -991,6 +1005,7 @@ void MyCanvas::OnMouseMove(wxMouseEvent &event)
 BEGIN_EVENT_TABLE(MyFrame, wxFrame)
     EVT_MENU      (File_Quit,     MyFrame::OnQuit)
     EVT_MENU      (File_About,    MyFrame::OnAbout)
+    EVT_MENU      (File_Clip,     MyFrame::OnClip)
 
     EVT_MENU_RANGE(MenuShow_First,   MenuShow_Last,   MyFrame::OnShow)
 
@@ -1016,6 +1031,8 @@ MyFrame::MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size)
     menuFile->Append(File_ShowRegions, "Re&gions screen\tF8");
     menuFile->Append(File_ShowCircles, "&Circles screen\tF9");
     menuFile->AppendSeparator();
+    menuFile->AppendCheckItem(File_Clip, "&Clip\tCtrl-C", "Clip/unclip drawing");
+    menuFile->AppendSeparator();
     menuFile->Append(File_About, "&About...\tCtrl-A", "Show about dialog");
     menuFile->AppendSeparator();
     menuFile->Append(File_Quit, "E&xit\tAlt-X", "Quit this program");
@@ -1107,6 +1124,11 @@ void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event))
     wxMessageBox(msg, "About Drawing", wxOK | wxICON_INFORMATION, this);
 }
 
+void MyFrame::OnClip(wxCommandEvent& event)
+{
+    m_canvas->Clip(event.IsChecked());
+}
+
 void MyFrame::OnShow(wxCommandEvent& event)
 {
     m_canvas->Show((ScreenToShow)(event.GetId() - MenuShow_First));