wxParseWildcard renamed to wxParseCommonDialogsFilter. Its usage is extended from...

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

diff --git a/samples/drawing/drawing.cpp b/samples/drawing/drawing.cpp
index a85be22c80030e9ddd8c2e3617b6074cb172d9c6..e461b212ee70619198bb7a83082bc4ec315cfbd7 100644 (file)
--- a/samples/drawing/drawing.cpp
+++ b/samples/drawing/drawing.cpp
@@ -16,7 +16,8 @@
 // ----------------------------------------------------------------------------
 // headers
 // ----------------------------------------------------------------------------
 // ----------------------------------------------------------------------------
 // headers
 // ----------------------------------------------------------------------------

-#ifdef __GNUG__
+
+#if defined(__GNUG__) && !defined(__APPLE__)

     #pragma implementation "drawing.cpp"
     #pragma interface "drawing.cpp"
 #endif
     #pragma implementation "drawing.cpp"
     #pragma interface "drawing.cpp"
 #endif


@@ -29,21 +30,55 @@
 #endif
 
 // for all others, include the necessary headers (this file is usually all you
 #endif
 
 // for all others, include the necessary headers (this file is usually all you

-// need because it includes almost all "standard" wxWindows headers
+// need because it includes almost all "standard" wxWidgets headers

 #ifndef WX_PRECOMP
     #include "wx/wx.h"
 #endif
 
 #include "wx/colordlg.h"
 #ifndef WX_PRECOMP
     #include "wx/wx.h"
 #endif
 
 #include "wx/colordlg.h"

+#include "wx/image.h"
+#include "wx/artprov.h"

 
 // ----------------------------------------------------------------------------
 // ressources
 // ----------------------------------------------------------------------------
 
 // ----------------------------------------------------------------------------
 // ressources
 // ----------------------------------------------------------------------------

+

 // the application icon
 // the application icon

-#if defined(__WXGTK__) || defined(__WXMOTIF__)
+#if defined(__WXGTK__) || defined(__WXMOTIF__) || defined(__WXMAC__) || defined(__WXMGL__) || defined(__WXX11__)

     #include "mondrian.xpm"
 #endif
 
     #include "mondrian.xpm"
 #endif
 

+// ----------------------------------------------------------------------------
+// constants
+// ----------------------------------------------------------------------------
+
+// what do we show on screen (there are too many shapes to put them all on
+// screen simultaneously)
+enum ScreenToShow
+{
+    Show_Default,
+    Show_Text,
+    Show_Lines,
+    Show_Brushes,
+    Show_Polygons,
+    Show_Mask,
+    Show_Ops,
+    Show_Regions,
+    Show_Circles
+};
+
+// ----------------------------------------------------------------------------
+// global variables
+// ----------------------------------------------------------------------------
+
+static wxBitmap *gs_bmpNoMask = NULL,
+                *gs_bmpWithColMask = NULL,
+                *gs_bmpMask = NULL,
+                *gs_bmpWithMask = NULL,
+                *gs_bmp4 = NULL,
+                *gs_bmp4_mono = NULL,
+                *gs_bmp36 = NULL;
+

 // ----------------------------------------------------------------------------
 // private classes
 // ----------------------------------------------------------------------------
 // ----------------------------------------------------------------------------
 // private classes
 // ----------------------------------------------------------------------------


@@ -59,6 +94,13 @@ public:
     // initialization (doing it here and not in the ctor allows to have an error
     // return: if OnInit() returns false, the application terminates)
     virtual bool OnInit();
     // initialization (doing it here and not in the ctor allows to have an error
     // return: if OnInit() returns false, the application terminates)
     virtual bool OnInit();

+
+    virtual int OnExit() { DeleteBitmaps(); return 0; }
+
+protected:
+    void DeleteBitmaps();
+
+    bool LoadImages();

 };
 
 class MyCanvas;
 };
 
 class MyCanvas;


@@ -73,13 +115,15 @@ public:
     // event handlers (these functions should _not_ be virtual)
     void OnQuit(wxCommandEvent& event);
     void OnAbout(wxCommandEvent& event);
     // 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);
     void OnOption(wxCommandEvent &event);

-    void OnMouseMove(wxMouseEvent &event);

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

+    int         m_textureBackground;

     int         m_mapMode;
     double      m_xUserScale;
     double      m_yUserScale;
     int         m_mapMode;
     double      m_xUserScale;
     double      m_yUserScale;


@@ -93,7 +137,7 @@ public:
     MyCanvas   *m_canvas;
 
 private:
     MyCanvas   *m_canvas;
 
 private:

-    // any class wishing to process wxWindows events must use this macro
+    // any class wishing to process wxWidgets events must use this macro

     DECLARE_EVENT_TABLE()
 };
 
     DECLARE_EVENT_TABLE()
 };
 


@@ -103,13 +147,35 @@ class MyCanvas: public wxScrolledWindow
 public:
     MyCanvas( MyFrame *parent );
 
 public:
     MyCanvas( MyFrame *parent );
 

-    void DrawTestLines( int x, int y, int width, wxDC &dc );    

     void OnPaint(wxPaintEvent &event);
     void OnPaint(wxPaintEvent &event);

-    
+    void OnMouseMove(wxMouseEvent &event);
+
+    void ToShow(ScreenToShow show) { m_show = show; Refresh(); }
+
+    // set or remove the clipping region
+    void Clip(bool clip) { m_clip = clip; Refresh(); }
+

 protected:
 protected:

-    MyFrame *m_owner;
-    
+    void DrawTestLines( int x, int y, int width, wxDC &dc );
+    void DrawTestPoly(wxDC& dc);
+    void DrawTestBrushes(wxDC& dc);
+    void DrawText(wxDC& dc);
+    void DrawImages(wxDC& dc);
+    void DrawWithLogicalOps(wxDC& dc);
+    void DrawRegions(wxDC& dc);
+    void DrawCircles(wxDC& dc);
+    void DrawDefault(wxDC& dc);
+
+    void DrawRegionsHelper(wxDC& dc, wxCoord x, bool firstTime);
+

 private:
 private:

+    MyFrame *m_owner;
+
+    ScreenToShow m_show;
+    wxBitmap     m_smile_bmp;
+    wxIcon       m_std_icon;
+    bool         m_clip;
+

     DECLARE_EVENT_TABLE()
 };
 
     DECLARE_EVENT_TABLE()
 };
 


@@ -121,8 +187,22 @@ private:
 enum
 {
     // menu items
 enum
 {
     // menu items

-    Minimal_Quit = 1,
-    Minimal_About,
+    File_Quit = 1,
+    File_About,
+
+    MenuShow_First,
+    File_ShowDefault = MenuShow_First,
+    File_ShowText,
+    File_ShowLines,
+    File_ShowBrushes,
+    File_ShowPolygons,
+    File_ShowMask,
+    File_ShowOps,
+    File_ShowRegions,
+    File_ShowCircles,
+    MenuShow_Last = File_ShowCircles,
+
+    File_Clip,

 
     MenuOption_First,
 
 
     MenuOption_First,
 


@@ -145,21 +225,24 @@ enum
     LogicalOrigin_MoveUp,
     LogicalOrigin_MoveLeft,
     LogicalOrigin_MoveRight,
     LogicalOrigin_MoveUp,
     LogicalOrigin_MoveLeft,
     LogicalOrigin_MoveRight,

+    LogicalOrigin_Set,
+    LogicalOrigin_Restore,

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

+    Colour_TextureBackgound,

 
 

-    MenuOption_Last = Colour_BackgroundMode
+    MenuOption_Last = Colour_TextureBackgound

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

-// event tables and other macros for wxWindows
+// event tables and other macros for wxWidgets

 // ----------------------------------------------------------------------------
 
 
 // ----------------------------------------------------------------------------
 
 

-// Create a new application object: this macro will allow wxWindows to create
+// Create a new application object: this macro will allow wxWidgets to create

 // the application object during program execution (it's better than using a
 // static object for many reasons) and also declares the accessor function
 // wxGetApp() which will return the reference of the right type (i.e. MyApp and
 // the application object during program execution (it's better than using a
 // static object for many reasons) and also declares the accessor function
 // wxGetApp() which will return the reference of the right type (i.e. MyApp and


@@ -174,90 +257,684 @@ IMPLEMENT_APP(MyApp)
 // the application class
 // ----------------------------------------------------------------------------
 
 // the application class
 // ----------------------------------------------------------------------------
 

+bool MyApp::LoadImages()
+{
+    gs_bmpNoMask = new wxBitmap;
+    gs_bmpWithColMask = new wxBitmap;
+    gs_bmpMask = new wxBitmap;
+    gs_bmpWithMask = new wxBitmap;
+    gs_bmp4 = new wxBitmap;
+    gs_bmp4_mono = new wxBitmap;
+    gs_bmp36 = new wxBitmap;
+
+    wxPathList pathList;
+    pathList.Add(_T("."));
+    pathList.Add(_T(".."));
+
+    wxString path = pathList.FindValidPath(_T("pat4.bmp"));
+    if ( !path )
+        return false;
+
+    /* 4 colour bitmap */
+    gs_bmp4->LoadFile(path, wxBITMAP_TYPE_BMP);
+    /* turn into mono-bitmap */
+    gs_bmp4_mono->LoadFile(path, wxBITMAP_TYPE_BMP);
+    wxMask* mask4 = new wxMask(*gs_bmp4_mono, *wxBLACK);
+    gs_bmp4_mono->SetMask(mask4);
+
+    path = pathList.FindValidPath(_T("pat36.bmp"));
+    if ( !path )
+        return false;
+    gs_bmp36->LoadFile(path, wxBITMAP_TYPE_BMP);
+    wxMask* mask36 = new wxMask(*gs_bmp36, *wxBLACK);
+    gs_bmp36->SetMask(mask36);
+
+    path = pathList.FindValidPath(_T("image.bmp"));
+    if ( !path )
+        return false;
+    gs_bmpNoMask->LoadFile(path, wxBITMAP_TYPE_BMP);
+    gs_bmpWithMask->LoadFile(path, wxBITMAP_TYPE_BMP);
+    gs_bmpWithColMask->LoadFile(path, wxBITMAP_TYPE_BMP);
+
+    path = pathList.FindValidPath(_T("mask.bmp"));
+    if ( !path )
+        return false;
+    gs_bmpMask->LoadFile(path, wxBITMAP_TYPE_BMP);
+
+    wxMask *mask = new wxMask(*gs_bmpMask, *wxBLACK);
+    gs_bmpWithMask->SetMask(mask);
+
+    mask = new wxMask(*gs_bmpWithColMask, *wxWHITE);
+    gs_bmpWithColMask->SetMask(mask);
+
+    return true;
+}
+

 // `Main program' equivalent: the program execution "starts" here
 bool MyApp::OnInit()
 {
     // Create the main application window
 // `Main program' equivalent: the program execution "starts" here
 bool MyApp::OnInit()
 {
     // Create the main application window

-    MyFrame *frame = new MyFrame("Drawing sample",
+    MyFrame *frame = new MyFrame(_T("Drawing sample"),

                                  wxPoint(50, 50), wxSize(550, 340));
 
     // Show it and tell the application that it's our main window
                                  wxPoint(50, 50), wxSize(550, 340));
 
     // Show it and tell the application that it's our main window

-    frame->Show(TRUE);
+    frame->Show(true);

     SetTopWindow(frame);
 
     SetTopWindow(frame);
 

-    // success: wxApp::OnRun() will be called which will enter the main message
-    // loop and the application will run. If we returned FALSE here, the
-    // application would exit immediately.
-    return TRUE;
+    if ( !LoadImages() )
+    {
+        wxLogError(wxT("Can't load one of the bitmap files needed ")
+                   wxT("for this sample from the current or parent ")
+                   wxT("directory, please copy them there."));
+
+        // stop here
+        DeleteBitmaps();
+
+        return false;
+    }
+
+    // ok, continue
+    return true;
+}
+
+void MyApp::DeleteBitmaps()
+{
+    delete gs_bmpNoMask;
+    delete gs_bmpWithColMask;
+    delete gs_bmpMask;
+    delete gs_bmpWithMask;
+    delete gs_bmp4;
+    delete gs_bmp4_mono;
+    delete gs_bmp36;
+
+    gs_bmpNoMask = NULL;
+    gs_bmpWithColMask = NULL;
+    gs_bmpMask = NULL;
+    gs_bmpWithMask = NULL;
+    gs_bmp4 = NULL;
+    gs_bmp4_mono = NULL;
+    gs_bmp36 = NULL;

 }
 
 // ----------------------------------------------------------------------------
 // MyCanvas
 // ----------------------------------------------------------------------------
 
 }
 
 // ----------------------------------------------------------------------------
 // MyCanvas
 // ----------------------------------------------------------------------------
 

-// the event tables connect the wxWindows events with the functions (event
+// the event tables connect the wxWidgets events with the functions (event

 // handlers) which process them.
 BEGIN_EVENT_TABLE(MyCanvas, wxScrolledWindow)
     EVT_PAINT  (MyCanvas::OnPaint)
 // handlers) which process them.
 BEGIN_EVENT_TABLE(MyCanvas, wxScrolledWindow)
     EVT_PAINT  (MyCanvas::OnPaint)

+    EVT_MOTION (MyCanvas::OnMouseMove)

 END_EVENT_TABLE()
 
 END_EVENT_TABLE()
 

-MyCanvas::MyCanvas( MyFrame *parent )
-  : wxScrolledWindow( parent )
+#include "smile.xpm"
+
+MyCanvas::MyCanvas(MyFrame *parent)
+        : wxScrolledWindow(parent, wxID_ANY, wxDefaultPosition, wxDefaultSize,
+                           wxHSCROLL | wxVSCROLL | wxNO_FULL_REPAINT_ON_RESIZE)

 {
 {

-  m_owner = parent;
+    m_owner = parent;
+    m_show = Show_Default;
+    m_smile_bmp = wxBitmap(smile_xpm);
+    m_std_icon = wxArtProvider::GetIcon(wxART_INFORMATION);
+    m_clip = false;
+}
+
+void MyCanvas::DrawTestBrushes(wxDC& dc)
+{
+    static const wxCoord WIDTH = 200;
+    static const wxCoord HEIGHT = 80;
+
+    wxCoord x = 10,
+            y = 10;
+
+    dc.SetBrush(wxBrush(*wxGREEN, wxSOLID));
+    dc.DrawRectangle(x, y, WIDTH, HEIGHT);
+    dc.DrawText(_T("Solid green"), x + 10, y + 10);
+
+    y += HEIGHT;
+    dc.SetBrush(wxBrush(*wxRED, wxCROSSDIAG_HATCH));
+    dc.DrawRectangle(x, y, WIDTH, HEIGHT);
+    dc.DrawText(_T("Hatched red"), x + 10, y + 10);
+
+    y += HEIGHT;
+    dc.SetBrush(wxBrush(*gs_bmpMask));
+    dc.DrawRectangle(x, y, WIDTH, HEIGHT);
+    dc.DrawText(_T("Stipple mono"), x + 10, y + 10);
+
+    y += HEIGHT;
+    dc.SetBrush(wxBrush(*gs_bmpNoMask));
+    dc.DrawRectangle(x, y, WIDTH, HEIGHT);
+    dc.DrawText(_T("Stipple colour"), x + 10, y + 10);
+}
+
+void MyCanvas::DrawTestPoly(wxDC& dc)
+{
+    wxBrush brushHatch(*wxRED, wxFDIAGONAL_HATCH);
+    dc.SetBrush(brushHatch);
+
+    wxPoint star[5];
+    star[0] = wxPoint(100, 60);
+    star[1] = wxPoint(60, 150);
+    star[2] = wxPoint(160, 100);
+    star[3] = wxPoint(40, 100);
+    star[4] = wxPoint(140, 150);
+
+    dc.DrawText(_T("You should see two (irregular) stars below, the left one ")
+                _T("hatched"), 10, 10);
+    dc.DrawText(_T("except for the central region and the right ")
+                _T("one entirely hatched"), 10, 30);
+    dc.DrawText(_T("The third star only has a hatched outline"), 10, 50);
+
+    dc.DrawPolygon(WXSIZEOF(star), star, 0, 30);
+    dc.DrawPolygon(WXSIZEOF(star), star, 160, 30, wxWINDING_RULE);
+
+    wxPoint star2[10];
+    star2[0] = wxPoint(0, 100);
+    star2[1] = wxPoint(-59, -81);
+    star2[2] = wxPoint(95, 31);
+    star2[3] = wxPoint(-95, 31);
+    star2[4] = wxPoint(59, -81);
+    star2[5] = wxPoint(0, 80);
+    star2[6] = wxPoint(-47, -64);
+    star2[7] = wxPoint(76, 24);
+    star2[8] = wxPoint(-76, 24);
+    star2[9] = wxPoint(47, -64);
+    int count[2] = {5, 5};
+
+    dc.DrawPolyPolygon(WXSIZEOF(count), count, star2, 450, 150);

 }
 
 void MyCanvas::DrawTestLines( int x, int y, int width, wxDC &dc )
 {
 }
 
 void MyCanvas::DrawTestLines( int x, int y, int width, wxDC &dc )
 {

-    dc.SetPen( wxPen( "black", width, wxSOLID) );
+    dc.SetPen( wxPen( wxT("black"), width, wxSOLID) );

     dc.SetBrush( *wxRED_BRUSH );
     dc.SetBrush( *wxRED_BRUSH );

-    dc.DrawRectangle( x+10, y+10, 400, 190 );
-    
-    dc.SetPen( wxPen( "black", width, wxSOLID) );
-    dc.DrawLine( x+20, y+20, 390, y+20 );
-    dc.SetPen( wxPen( "black", width, wxDOT) );
-    dc.DrawLine( x+20, y+30, 390, y+30 );
-    dc.SetPen( wxPen( "black", width, wxSHORT_DASH) );
-    dc.DrawLine( x+20, y+40, 390, y+40 );
-    dc.SetPen( wxPen( "black", width, wxLONG_DASH) );
-    dc.DrawLine( x+20, y+50, 390, y+50 );
-    dc.SetPen( wxPen( "black", width, wxDOT_DASH) );
-    dc.DrawLine( x+20, y+60, 390, y+60 );
-
-    dc.SetPen( wxPen( "black", width, wxBDIAGONAL_HATCH) );
-    dc.DrawLine( x+20, y+70, 390, y+70 );
-    dc.SetPen( wxPen( "black", width, wxCROSSDIAG_HATCH) );
-    dc.DrawLine( x+20, y+80, 390, y+80 );
-    dc.SetPen( wxPen( "black", width, wxFDIAGONAL_HATCH) );
-    dc.DrawLine( x+20, y+90, 390, y+90 );
-    dc.SetPen( wxPen( "black", width, wxCROSS_HATCH) );
-    dc.DrawLine( x+20, y+100, 390, y+100 );
-    dc.SetPen( wxPen( "black", width, wxHORIZONTAL_HATCH) );
-    dc.DrawLine( x+20, y+110, 390, y+110 );
-    dc.SetPen( wxPen( "black", width, wxVERTICAL_HATCH) );
-    dc.DrawLine( x+20, y+120, 390, y+120 );
-
-    wxPen ud( "black", width, wxUSER_DASH );
-    wxDash dash1[1];
-    dash1[0] = 0;
-    ud.SetDashes( 1, dash1 );
-    dc.DrawLine( x+20, y+140, 390, y+140 );
-    dash1[0] = 1;
-    ud.SetDashes( 1, dash1 );
-    dc.DrawLine( x+20, y+150, 390, y+150 );
-    dash1[0] = 2;
-    ud.SetDashes( 1, dash1 );
-    dc.DrawLine( x+20, y+160, 390, y+160 );
-    dash1[0] = 0xFF;
-    ud.SetDashes( 1, dash1 );
-    dc.DrawLine( x+20, y+170, 390, y+170 );
+    dc.DrawText(wxString::Format(wxT("Testing lines of width %d"), width), x + 10, y - 10);
+    dc.DrawRectangle( x+10, y+10, 100, 190 );
+
+    dc.DrawText(_T("Solid/dot/short dash/long dash/dot dash"), x + 150, y + 10);
+    dc.SetPen( wxPen( wxT("black"), width, wxSOLID) );
+    dc.DrawLine( x+20, y+20, 100, y+20 );
+    dc.SetPen( wxPen( wxT("black"), width, wxDOT) );
+    dc.DrawLine( x+20, y+30, 100, y+30 );
+    dc.SetPen( wxPen( wxT("black"), width, wxSHORT_DASH) );
+    dc.DrawLine( x+20, y+40, 100, y+40 );
+    dc.SetPen( wxPen( wxT("black"), width, wxLONG_DASH) );
+    dc.DrawLine( x+20, y+50, 100, y+50 );
+    dc.SetPen( wxPen( wxT("black"), width, wxDOT_DASH) );
+    dc.DrawLine( x+20, y+60, 100, y+60 );
+
+    dc.DrawText(_T("Misc hatches"), x + 150, y + 70);
+    dc.SetPen( wxPen( wxT("black"), width, wxBDIAGONAL_HATCH) );
+    dc.DrawLine( x+20, y+70, 100, y+70 );
+    dc.SetPen( wxPen( wxT("black"), width, wxCROSSDIAG_HATCH) );
+    dc.DrawLine( x+20, y+80, 100, y+80 );
+    dc.SetPen( wxPen( wxT("black"), width, wxFDIAGONAL_HATCH) );
+    dc.DrawLine( x+20, y+90, 100, y+90 );
+    dc.SetPen( wxPen( wxT("black"), width, wxCROSS_HATCH) );
+    dc.DrawLine( x+20, y+100, 100, y+100 );
+    dc.SetPen( wxPen( wxT("black"), width, wxHORIZONTAL_HATCH) );
+    dc.DrawLine( x+20, y+110, 100, y+110 );
+    dc.SetPen( wxPen( wxT("black"), width, wxVERTICAL_HATCH) );
+    dc.DrawLine( x+20, y+120, 100, y+120 );
+
+    dc.DrawText(_T("User dash"), x + 150, y + 140);
+    wxPen ud( wxT("black"), width, wxUSER_DASH );
+    wxDash dash1[6];
+    dash1[0] = 8;  // Long dash  <---------+
+    dash1[1] = 2;  // Short gap            |
+    dash1[2] = 3;  // Short dash           |
+    dash1[3] = 2;  // Short gap            |
+    dash1[4] = 3;  // Short dash           |
+    dash1[5] = 2;  // Short gap and repeat +
+    ud.SetDashes( 6, dash1 );
+    dc.SetPen( ud );
+    dc.DrawLine( x+20, y+140, 100, y+140 );
+    dash1[0] = 5;  // Make first dash shorter
+    ud.SetDashes( 6, dash1 );
+    dc.SetPen( ud );
+    dc.DrawLine( x+20, y+150, 100, y+150 );
+    dash1[2] = 5;  // Make second dash longer
+    ud.SetDashes( 6, dash1 );
+    dc.SetPen( ud );
+    dc.DrawLine( x+20, y+160, 100, y+160 );
+    dash1[4] = 5;  // Make third dash longer
+    ud.SetDashes( 6, dash1 );
+    dc.SetPen( ud );
+    dc.DrawLine( x+20, y+170, 100, y+170 );
+}
+
+void MyCanvas::DrawDefault(wxDC& dc)
+{
+    // mark the origin
+    dc.DrawCircle(0, 0, 10);
+
+    //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);
+    dc.DrawCheckMark(60, 80, 60, 60);
+
+    // this is the test for "blitting bitmap into DC damages selected brush" bug
+    wxCoord rectSize = m_std_icon.GetWidth() + 10;
+    wxCoord x = 100;
+    dc.SetPen(*wxTRANSPARENT_PEN);
+    dc.SetBrush( *wxGREEN_BRUSH );
+    dc.DrawRectangle(x, 10, rectSize, rectSize);
+    dc.DrawBitmap(m_std_icon, x + 5, 15, true);
+    x += rectSize + 10;
+    dc.DrawRectangle(x, 10, rectSize, rectSize);
+    dc.DrawIcon(m_std_icon, x + 5, 15);
+    x += rectSize + 10;
+    dc.DrawRectangle(x, 10, rectSize, rectSize);
+
+    // test for "transparent" bitmap drawing (it intersects with the last
+    // rectangle above)
+    //dc.SetBrush( *wxTRANSPARENT_BRUSH );
+
+    if (m_smile_bmp.Ok())
+        dc.DrawBitmap(m_smile_bmp, x + rectSize - 20, rectSize - 10, true);
+
+    dc.SetBrush( *wxBLACK_BRUSH );
+    dc.DrawRectangle( 0, 160, 1000, 300 );
+
+    // draw lines
+    wxBitmap bitmap(20,70);
+    wxMemoryDC memdc;
+    memdc.SelectObject( bitmap );
+    memdc.SetBrush( *wxBLACK_BRUSH );
+    memdc.SetPen( *wxWHITE_PEN );
+    memdc.DrawRectangle(0,0,20,70);
+    memdc.DrawLine( 10,0,10,70 );
+
+    // to the right
+    wxPen pen = *wxRED_PEN;
+    memdc.SetPen(pen);
+    memdc.DrawLine( 10, 5,10, 5 );
+    memdc.DrawLine( 10,10,11,10 );
+    memdc.DrawLine( 10,15,12,15 );
+    memdc.DrawLine( 10,20,13,20 );
+
+/*
+    memdc.SetPen(*wxRED_PEN);
+    memdc.DrawLine( 12, 5,12, 5 );
+    memdc.DrawLine( 12,10,13,10 );
+    memdc.DrawLine( 12,15,14,15 );
+    memdc.DrawLine( 12,20,15,20 );
+*/
+
+    // same to the left
+    memdc.DrawLine( 10,25,10,25 );
+    memdc.DrawLine( 10,30, 9,30 );
+    memdc.DrawLine( 10,35, 8,35 );
+    memdc.DrawLine( 10,40, 7,40 );
+
+    // XOR draw lines
+    dc.SetPen(*wxWHITE_PEN);
+    memdc.SetLogicalFunction( wxINVERT );
+    memdc.SetPen( *wxWHITE_PEN );
+    memdc.DrawLine( 10,50,10,50 );
+    memdc.DrawLine( 10,55,11,55 );
+    memdc.DrawLine( 10,60,12,60 );
+    memdc.DrawLine( 10,65,13,65 );
+
+    memdc.DrawLine( 12,50,12,50 );
+    memdc.DrawLine( 12,55,13,55 );
+    memdc.DrawLine( 12,60,14,60 );
+    memdc.DrawLine( 12,65,15,65 );
+
+    memdc.SelectObject( wxNullBitmap );
+    dc.DrawBitmap( bitmap, 10, 170 );
+    wxImage image = bitmap.ConvertToImage();
+    image.Rescale( 60,210 );
+    bitmap = wxBitmap(image);
+    dc.DrawBitmap( bitmap, 50, 170 );
+
+    // test the rectangle outline drawing - there should be one pixel between
+    // the rect and the lines
+    dc.SetPen(*wxWHITE_PEN);
+    dc.SetBrush( *wxTRANSPARENT_BRUSH );
+    dc.DrawRectangle(150, 170, 49, 29);
+    dc.DrawRectangle(200, 170, 49, 29);
+    dc.SetPen(*wxWHITE_PEN);
+    dc.DrawLine(250, 210, 250, 170);
+    dc.DrawLine(260, 200, 150, 200);
+
+    // test the rectangle filled drawing - there should be one pixel between
+    // the rect and the lines
+    dc.SetPen(*wxTRANSPARENT_PEN);
+    dc.SetBrush( *wxWHITE_BRUSH );
+    dc.DrawRectangle(300, 170, 49, 29);
+    dc.DrawRectangle(350, 170, 49, 29);
+    dc.SetPen(*wxWHITE_PEN);
+    dc.DrawLine(400, 170, 400, 210);
+    dc.DrawLine(300, 200, 410, 200);
+
+    // a few more tests of this kind
+    dc.SetPen(*wxRED_PEN);
+    dc.SetBrush( *wxWHITE_BRUSH );
+    dc.DrawRectangle(300, 220, 1, 1);
+    dc.DrawRectangle(310, 220, 2, 2);
+    dc.DrawRectangle(320, 220, 3, 3);
+    dc.DrawRectangle(330, 220, 4, 4);
+
+    dc.SetPen(*wxTRANSPARENT_PEN);
+    dc.SetBrush( *wxWHITE_BRUSH );
+    dc.DrawRectangle(300, 230, 1, 1);
+    dc.DrawRectangle(310, 230, 2, 2);
+    dc.DrawRectangle(320, 230, 3, 3);
+    dc.DrawRectangle(330, 230, 4, 4);
+
+    // and now for filled rect with outline
+    dc.SetPen(*wxRED_PEN);
+    dc.SetBrush( *wxWHITE_BRUSH );
+    dc.DrawRectangle(500, 170, 49, 29);
+    dc.DrawRectangle(550, 170, 49, 29);
+    dc.SetPen(*wxWHITE_PEN);
+    dc.DrawLine(600, 170, 600, 210);
+    dc.DrawLine(500, 200, 610, 200);
+
+    // test the rectangle outline drawing - there should be one pixel between
+    // the rect and the lines
+    dc.SetPen(*wxWHITE_PEN);
+    dc.SetBrush( *wxTRANSPARENT_BRUSH );
+    dc.DrawRoundedRectangle(150, 270, 49, 29, 6);
+    dc.DrawRoundedRectangle(200, 270, 49, 29, 6);
+    dc.SetPen(*wxWHITE_PEN);
+    dc.DrawLine(250, 270, 250, 310);
+    dc.DrawLine(150, 300, 260, 300);
+
+    // test the rectangle filled drawing - there should be one pixel between
+    // the rect and the lines
+    dc.SetPen(*wxTRANSPARENT_PEN);
+    dc.SetBrush( *wxWHITE_BRUSH );
+    dc.DrawRoundedRectangle(300, 270, 49, 29, 6);
+    dc.DrawRoundedRectangle(350, 270, 49, 29, 6);
+    dc.SetPen(*wxWHITE_PEN);
+    dc.DrawLine(400, 270, 400, 310);
+    dc.DrawLine(300, 300, 410, 300);
+
+    // 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
+    // showing. With a size of 40, it draws as expected:
+    // it just shows a white rectangle with red outline.
+    int totalWidth = 70;
+    int totalHeight = 70;
+    wxBitmap bitmap2(totalWidth, totalHeight);
+
+    wxMemoryDC memdc2;
+    memdc2.SelectObject(bitmap2);
+
+    wxBrush yellowBrush(wxColour(255, 255, 0), wxSOLID);
+    memdc2.SetBackground(yellowBrush);
+    memdc2.Clear();
+
+    wxPen yellowPen(wxColour(255, 255, 0), 1, wxSOLID);
+
+    // Now draw a white rectangle with red outline. It should
+    // entirely eclipse the yellow background.
+    memdc2.SetPen(*wxRED_PEN);
+    memdc2.SetBrush(*wxWHITE_BRUSH);
+
+    memdc2.DrawRectangle(0, 0, totalWidth, totalHeight);
+
+    memdc2.SetPen(wxNullPen);
+    memdc2.SetBrush(wxNullBrush);
+    memdc2.SelectObject(wxNullBitmap);
+
+    dc.DrawBitmap(bitmap2, 500, 270);
+
+    // Repeat, but draw directly on dc
+    // Draw a yellow rectangle filling the bitmap
+
+    x = 600; int y = 270;
+    dc.SetPen(yellowPen);
+    dc.SetBrush(yellowBrush);
+    dc.DrawRectangle(x, y, totalWidth, totalHeight);
+
+    // Now draw a white rectangle with red outline. It should
+    // entirely eclipse the yellow background.
+    dc.SetPen(*wxRED_PEN);
+    dc.SetBrush(*wxWHITE_BRUSH);
+
+    dc.DrawRectangle(x, y, totalWidth, totalHeight);
+}
+
+void MyCanvas::DrawText(wxDC& dc)
+{
+    // set underlined font for testing
+    dc.SetFont( wxFont(12, wxMODERN, wxNORMAL, wxNORMAL, true) );
+    dc.DrawText( _T("This is text"), 110, 10 );
+    dc.DrawRotatedText( _T("That is text"), 20, 10, -45 );
+
+    // use wxSWISS_FONT and not wxNORMAL_FONT as the latter can't be rotated
+    // under Win9x (it is not TrueType)
+    dc.SetFont( *wxSWISS_FONT );
+
+    wxString text;
+    dc.SetBackgroundMode(wxTRANSPARENT);
+
+    for ( int n = -180; n < 180; n += 30 )
+    {
+        text.Printf(wxT("     %d rotated text"), n);
+        dc.DrawRotatedText(text , 400, 400, n);
+    }
+
+    dc.SetFont( wxFont( 18, wxSWISS, wxNORMAL, wxNORMAL ) );
+
+    dc.DrawText( _T("This is Swiss 18pt text."), 110, 40 );
+
+    long length;
+    long height;
+    long descent;
+    dc.GetTextExtent( _T("This is Swiss 18pt text."), &length, &height, &descent );
+    text.Printf( wxT("Dimensions are length %ld, height %ld, descent %ld"), length, height, descent );
+    dc.DrawText( text, 110, 80 );
+
+    text.Printf( wxT("CharHeight() returns: %d"), dc.GetCharHeight() );
+    dc.DrawText( text, 110, 120 );
+
+    dc.DrawRectangle( 100, 40, 4, height );
+
+    // test the logical function effect
+    wxCoord y = 150;
+    dc.SetLogicalFunction(wxINVERT);
+    dc.DrawText( _T("There should be no text below"), 110, 150 );
+    dc.DrawRectangle( 110, y, 100, height );
+
+    // twice drawn inverted should result in invisible
+    y += height;
+    dc.DrawText( _T("Invisible text"), 110, y );
+    dc.DrawRectangle( 110, y, 100, height );
+    dc.DrawText( _T("Invisible text"), 110, y );
+    dc.DrawRectangle( 110, y, 100, height );
+    dc.SetLogicalFunction(wxCOPY);

 
 

+    y += height;
+    dc.DrawRectangle( 110, y, 100, height );
+    dc.DrawText( _T("Visible text"), 110, y );
+}
+
+static const struct
+{
+    const wxChar *name;
+    int           rop;
+} rasterOperations[] =
+{
+    { wxT("wxAND"),          wxAND           },
+    { wxT("wxAND_INVERT"),   wxAND_INVERT    },
+    { wxT("wxAND_REVERSE"),  wxAND_REVERSE   },
+    { wxT("wxCLEAR"),        wxCLEAR         },
+    { wxT("wxCOPY"),         wxCOPY          },
+    { wxT("wxEQUIV"),        wxEQUIV         },
+    { wxT("wxINVERT"),       wxINVERT        },
+    { wxT("wxNAND"),         wxNAND          },
+    { wxT("wxNO_OP"),        wxNO_OP         },
+    { wxT("wxOR"),           wxOR            },
+    { wxT("wxOR_INVERT"),    wxOR_INVERT     },
+    { wxT("wxOR_REVERSE"),   wxOR_REVERSE    },
+    { wxT("wxSET"),          wxSET           },
+    { wxT("wxSRC_INVERT"),   wxSRC_INVERT    },
+    { wxT("wxXOR"),          wxXOR           },
+};
+
+void MyCanvas::DrawImages(wxDC& dc)
+{
+    dc.DrawText(_T("original image"), 0, 0);
+    dc.DrawBitmap(*gs_bmpNoMask, 0, 20, 0);
+    dc.DrawText(_T("with colour mask"), 0, 100);
+    dc.DrawBitmap(*gs_bmpWithColMask, 0, 120, true);
+    dc.DrawText(_T("the mask image"), 0, 200);
+    dc.DrawBitmap(*gs_bmpMask, 0, 220, 0);
+    dc.DrawText(_T("masked image"), 0, 300);
+    dc.DrawBitmap(*gs_bmpWithMask, 0, 320, true);
+
+    int cx = gs_bmpWithColMask->GetWidth(),
+        cy = gs_bmpWithColMask->GetHeight();
+
+    wxMemoryDC memDC;
+    for ( size_t n = 0; n < WXSIZEOF(rasterOperations); n++ )
+    {
+        wxCoord x = 120 + 150*(n%4),
+                y =  20 + 100*(n/4);
+
+        dc.DrawText(rasterOperations[n].name, x, y - 20);
+        memDC.SelectObject(*gs_bmpWithColMask);
+        dc.Blit(x, y, cx, cy, &memDC, 0, 0, rasterOperations[n].rop, true);
+    }
+}
+
+void MyCanvas::DrawWithLogicalOps(wxDC& dc)
+{
+    static const wxCoord w = 60;
+    static const wxCoord h = 60;
+
+    // reuse the text colour here
+    dc.SetPen(wxPen(m_owner->m_colourForeground, 1, wxSOLID));
+    dc.SetBrush(*wxTRANSPARENT_BRUSH);
+
+    size_t n;
+    for ( n = 0; n < WXSIZEOF(rasterOperations); n++ )
+    {
+        wxCoord x = 20 + 150*(n%4),
+                y = 20 + 100*(n/4);
+
+        dc.DrawText(rasterOperations[n].name, x, y - 20);
+        dc.SetLogicalFunction(rasterOperations[n].rop);
+        dc.DrawRectangle(x, y, w, h);
+        dc.DrawLine(x, y, x + w, y + h);
+        dc.DrawLine(x + w, y, x, y + h);
+    }
+
+    // now some filled rectangles
+    dc.SetBrush(wxBrush(m_owner->m_colourForeground, wxSOLID));
+
+    for ( n = 0; n < WXSIZEOF(rasterOperations); n++ )
+    {
+        wxCoord x = 20 + 150*(n%4),
+                y = 500 + 100*(n/4);
+
+        dc.DrawText(rasterOperations[n].name, x, y - 20);
+        dc.SetLogicalFunction(rasterOperations[n].rop);
+        dc.DrawRectangle(x, y, w, h);
+    }
+}
+
+void MyCanvas::DrawCircles(wxDC& dc)
+{
+    int x = 100,
+        y = 100,
+        r = 20;
+
+    dc.DrawText(_T("Some circles"), 0, y);
+    dc.DrawCircle(x, y, r);
+    dc.DrawCircle(x + 2*r, y, r);
+    dc.DrawCircle(x + 4*r, y, r);
+
+    y += 2*r;
+    dc.DrawText(_T("And ellipses"), 0, y);
+    dc.DrawEllipse(x - r, y, 2*r, r);
+    dc.DrawEllipse(x + r, y, 2*r, r);
+    dc.DrawEllipse(x + 3*r, y, 2*r, r);
+
+    y += 2*r;
+    dc.DrawText(_T("And arcs"), 0, y);
+    dc.DrawArc(x - r, y, x + r, y, x, y);
+    dc.DrawArc(x + 4*r, y, x + 2*r, y, x + 3*r, y);
+    dc.DrawArc(x + 5*r, y, x + 5*r, y, x + 6*r, y);
+
+    y += 2*r;
+    dc.DrawEllipticArc(x - r, y, 2*r, r, 0, 90);
+    dc.DrawEllipticArc(x + r, y, 2*r, r, 90, 180);
+    dc.DrawEllipticArc(x + 3*r, y, 2*r, r, 180, 270);
+    dc.DrawEllipticArc(x + 5*r, y, 2*r, r, 270, 360);
+}
+
+void MyCanvas::DrawRegions(wxDC& dc)
+{
+    dc.DrawText(_T("You should see a red rect partly covered by a cyan one ")
+                _T("on the left"), 10, 5);
+    dc.DrawText(_T("and 5 smileys from which 4 are partially clipped on the right"),
+                10, 5 + dc.GetCharHeight());
+    dc.DrawText(_T("The second copy should be identical but right part of it ")
+                _T("should be offset by 10 pixels."),
+                10, 5 + 2*dc.GetCharHeight());
+
+    DrawRegionsHelper(dc, 10, true);
+    DrawRegionsHelper(dc, 350, false);
+}
+
+void MyCanvas::DrawRegionsHelper(wxDC& dc, wxCoord x, bool firstTime)
+{
+    wxCoord y = 100;
+
+    dc.DestroyClippingRegion();
+    dc.SetBrush( *wxWHITE_BRUSH );
+    dc.SetPen( *wxTRANSPARENT_PEN );
+    dc.DrawRectangle( x, y, 310, 310 );
+
+    dc.SetClippingRegion( x + 10, y + 10, 100, 270 );
+
+    dc.SetBrush( *wxRED_BRUSH );
+    dc.DrawRectangle( x, y, 310, 310 );
+
+    dc.SetClippingRegion( x + 10, y + 10, 100, 100 );
+
+    dc.SetBrush( *wxCYAN_BRUSH );
+    dc.DrawRectangle( x, y, 310, 310 );
+
+    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 );
+    dc.DrawRectangle( x, y, 310, 310 );
+
+    if (m_smile_bmp.Ok())
+    {
+        dc.DrawBitmap( m_smile_bmp, x + 150, y + 150, true );
+        dc.DrawBitmap( m_smile_bmp, x + 130, y + 10,  true );
+        dc.DrawBitmap( m_smile_bmp, x + 130, y + 280, true );
+        dc.DrawBitmap( m_smile_bmp, x + 100, y + 70,  true );
+        dc.DrawBitmap( m_smile_bmp, x + 200, y + 70,  true );
+    }

 }
 
 void MyCanvas::OnPaint(wxPaintEvent &WXUNUSED(event))
 {
     wxPaintDC dc(this);
     PrepareDC(dc);
 }
 
 void MyCanvas::OnPaint(wxPaintEvent &WXUNUSED(event))
 {
     wxPaintDC dc(this);
     PrepareDC(dc);

+

     m_owner->PrepareDC(dc);
 
     dc.SetBackgroundMode( m_owner->m_backgroundMode );
     m_owner->PrepareDC(dc);
 
     dc.SetBackgroundMode( m_owner->m_backgroundMode );


@@ -268,98 +945,173 @@ void MyCanvas::OnPaint(wxPaintEvent &WXUNUSED(event))
     if ( m_owner->m_colourBackground.Ok() )
         dc.SetTextBackground( m_owner->m_colourBackground );
 
     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__
+    if ( m_owner->m_textureBackground) {
+        if ( ! m_owner->m_backgroundBrush.Ok() ) {
+            wxBrush b(wxColour(0,128,0), wxSOLID);
+            dc.SetBackground(b);
+        }
+    }
+
+    if ( m_clip )
+        dc.SetClippingRegion(100, 100, 100, 100);
+
+    dc.Clear();
+
+    if ( m_owner->m_textureBackground )
+    {
+        dc.SetPen(*wxMEDIUM_GREY_PEN);
+        for ( int i = 0; i < 200; i++ )
+            dc.DrawLine(0, i*10, i*10, 0);
+    }
+
+    switch ( m_show )
+    {
+        case Show_Default:
+            DrawDefault(dc);
+            break;
+
+        case Show_Circles:
+            DrawCircles(dc);
+            break;
+
+        case Show_Regions:
+            DrawRegions(dc);
+            break;
+
+        case Show_Text:
+            DrawText(dc);
+            break;
+
+        case Show_Lines:
+            DrawTestLines( 0, 100, 0, dc );
+            DrawTestLines( 0, 320, 1, dc );
+            DrawTestLines( 0, 540, 2, dc );
+            DrawTestLines( 0, 760, 6, dc );
+            break;

 
 

-    dc.DrawText( "This is text", 110, 10 );
+        case Show_Brushes:
+            DrawTestBrushes(dc);
+            break;

 
 

-    dc.DrawIcon( wxICON(mondrian), 110, 40 );
-    
-    DrawTestLines( 0, 20, 0, dc );
+        case Show_Polygons:
+            DrawTestPoly(dc);
+            break;

 
 

-    DrawTestLines( 0, 220, 1, dc );
+        case Show_Mask:
+            DrawImages(dc);
+            break;

 
 

-    DrawTestLines( 0, 420, 2, dc );
+        case Show_Ops:
+            DrawWithLogicalOps(dc);
+            break;
+    }
+}

 
 

-    DrawTestLines( 0, 620, 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( wxT("Current mouse position: %d,%d"), (int)x, (int)y );
+    m_owner->SetStatusText( str );

 }
 
 // ----------------------------------------------------------------------------
 // MyFrame
 // ----------------------------------------------------------------------------
 
 }
 
 // ----------------------------------------------------------------------------
 // MyFrame
 // ----------------------------------------------------------------------------
 

-// the event tables connect the wxWindows events with the functions (event
+// the event tables connect the wxWidgets 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)
 // 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      (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)
+

     EVT_MENU_RANGE(MenuOption_First, MenuOption_Last, MyFrame::OnOption)
 END_EVENT_TABLE()
 
 // frame constructor
 MyFrame::MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size)
     EVT_MENU_RANGE(MenuOption_First, MenuOption_Last, MyFrame::OnOption)
 END_EVENT_TABLE()
 
 // frame constructor
 MyFrame::MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size)

-       : wxFrame((wxFrame *)NULL, -1, title, pos, size)
+       : wxFrame((wxFrame *)NULL, wxID_ANY, title, pos, size,
+                 wxDEFAULT_FRAME_STYLE | wxNO_FULL_REPAINT_ON_RESIZE)

 {
     // set the frame icon
     SetIcon(wxICON(mondrian));
 
     wxMenu *menuFile = new wxMenu;
 {
     // set the frame icon
     SetIcon(wxICON(mondrian));
 
     wxMenu *menuFile = new wxMenu;

-    menuFile->Append(Minimal_About, "&About...\tCtrl-A", "Show about dialog");
+    menuFile->Append(File_ShowDefault, _T("&Default screen\tF1"));
+    menuFile->Append(File_ShowText, _T("&Text screen\tF2"));
+    menuFile->Append(File_ShowLines, _T("&Lines screen\tF3"));
+    menuFile->Append(File_ShowBrushes, _T("&Brushes screen\tF4"));
+    menuFile->Append(File_ShowPolygons, _T("&Polygons screen\tF5"));
+    menuFile->Append(File_ShowMask, _T("&Mask screen\tF6"));
+    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->AppendSeparator();
+    menuFile->AppendCheckItem(File_Clip, _T("&Clip\tCtrl-C"), _T("Clip/unclip drawing"));

     menuFile->AppendSeparator();
     menuFile->AppendSeparator();

-    menuFile->Append(Minimal_Quit, "E&xit\tAlt-X", "Quit this program");
+    menuFile->Append(File_About, _T("&About...\tCtrl-A"), _T("Show about dialog"));
+    menuFile->AppendSeparator();
+    menuFile->Append(File_Quit, _T("E&xit\tAlt-X"), _T("Quit this program"));

 
     wxMenu *menuMapMode = new wxMenu;
 
     wxMenu *menuMapMode = new wxMenu;

-    menuMapMode->Append( MapMode_Text, "&TEXT map mode" );
-    menuMapMode->Append( MapMode_Lometric, "&LOMETRIC map mode" );
-    menuMapMode->Append( MapMode_Twips, "T&WIPS map mode" );
-    menuMapMode->Append( MapMode_Points, "&POINTS map mode" );
-    menuMapMode->Append( MapMode_Metric, "&METRIC map mode" );
+    menuMapMode->Append( MapMode_Text, _T("&TEXT map mode") );
+    menuMapMode->Append( MapMode_Lometric, _T("&LOMETRIC map mode") );
+    menuMapMode->Append( MapMode_Twips, _T("T&WIPS map mode") );
+    menuMapMode->Append( MapMode_Points, _T("&POINTS map mode") );
+    menuMapMode->Append( MapMode_Metric, _T("&METRIC map mode") );

 
     wxMenu *menuUserScale = new wxMenu;
 
     wxMenu *menuUserScale = new wxMenu;

-    menuUserScale->Append( UserScale_StretchHoriz, "Stretch horizontally\tCtrl-H" );
-    menuUserScale->Append( UserScale_ShrinkHoriz, "Shrink  horizontally\tCtrl-G" );
-    menuUserScale->Append( UserScale_StretchVertic, "Stretch vertically\tCtrl-V" );
-    menuUserScale->Append( UserScale_ShrinkVertic, "Shrink vertically\tCtrl-W" );
+    menuUserScale->Append( UserScale_StretchHoriz, _T("Stretch &horizontally\tCtrl-H") );
+    menuUserScale->Append( UserScale_ShrinkHoriz, _T("Shrin&k horizontally\tCtrl-G") );
+    menuUserScale->Append( UserScale_StretchVertic, _T("Stretch &vertically\tCtrl-V") );
+    menuUserScale->Append( UserScale_ShrinkVertic, _T("&Shrink vertically\tCtrl-W") );

     menuUserScale->AppendSeparator();
     menuUserScale->AppendSeparator();

-    menuUserScale->Append( UserScale_Restore, "Restore to normal\tCtrl-0" );
+    menuUserScale->Append( UserScale_Restore, _T("&Restore to normal\tCtrl-0") );

 
     wxMenu *menuAxis = new wxMenu;
 
     wxMenu *menuAxis = new wxMenu;

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

 
     wxMenu *menuLogical = new wxMenu;
 
     wxMenu *menuLogical = new wxMenu;

-    menuLogical->Append( LogicalOrigin_MoveDown, "Move &down\tCtrl-D" );
-    menuLogical->Append( LogicalOrigin_MoveUp, "Move &up\tCtrl-U" );
-    menuLogical->Append( LogicalOrigin_MoveLeft, "Move &right\tCtrl-L" );
-    menuLogical->Append( LogicalOrigin_MoveRight, "Move &left\tCtrl-R" );
+    menuLogical->Append( LogicalOrigin_MoveDown, _T("Move &down\tCtrl-D") );
+    menuLogical->Append( LogicalOrigin_MoveUp, _T("Move &up\tCtrl-U") );
+    menuLogical->Append( LogicalOrigin_MoveLeft, _T("Move &right\tCtrl-L") );
+    menuLogical->Append( LogicalOrigin_MoveRight, _T("Move &left\tCtrl-R") );
+    menuLogical->AppendSeparator();
+    menuLogical->Append( LogicalOrigin_Set, _T("Set to (&100, 100)\tShift-Ctrl-1") );
+    menuLogical->Append( LogicalOrigin_Restore, _T("&Restore to normal\tShift-Ctrl-0") );

 
     wxMenu *menuColour = new wxMenu;
 
     wxMenu *menuColour = new wxMenu;

-    menuColour->Append( Colour_TextForeground, "Text foreground..." );
-    menuColour->Append( Colour_TextBackground, "Text background..." );
-    menuColour->Append( Colour_Background, "Background colour..." );
-    menuColour->Append( Colour_BackgroundMode, "Opaque/transparent\tCtrl-B", "", TRUE );
+    menuColour->Append( Colour_TextForeground, _T("Text &foreground...") );
+    menuColour->Append( Colour_TextBackground, _T("Text &background...") );
+    menuColour->Append( Colour_Background, _T("Background &colour...") );
+    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;

-    menuBar->Append(menuFile, "&File");
-    menuBar->Append(menuMapMode, "&MapMode");
-    menuBar->Append(menuUserScale, "&UserScale");
-    menuBar->Append(menuAxis, "&Axis");
-    menuBar->Append(menuLogical, "&LogicalOrigin");
-    menuBar->Append(menuColour, "&Colours");
+    menuBar->Append(menuFile, _T("&File"));
+    menuBar->Append(menuMapMode, _T("&Mode"));
+    menuBar->Append(menuUserScale, _T("&Scale"));
+    menuBar->Append(menuAxis, _T("&Axis"));
+    menuBar->Append(menuLogical, _T("&Origin"));
+    menuBar->Append(menuColour, _T("&Colours"));

 
     // ... 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)

     CreateStatusBar(2);
     CreateStatusBar(2);

-    SetStatusText("Welcome to wxWindows!");
+    SetStatusText(_T("Welcome to wxWidgets!"));

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


@@ -367,34 +1119,49 @@ MyFrame::MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size)
     m_xLogicalOrigin = 0;
     m_yLogicalOrigin = 0;
     m_xAxisReversed =
     m_xLogicalOrigin = 0;
     m_yLogicalOrigin = 0;
     m_xAxisReversed =

-    m_yAxisReversed = FALSE;
+    m_yAxisReversed = false;

     m_backgroundMode = wxSOLID;
     m_backgroundMode = wxSOLID;

+    m_colourForeground = *wxRED;
+    m_colourBackground = *wxBLUE;
+    m_textureBackground = false;

 
     m_canvas = new MyCanvas( this );
 
     m_canvas = new MyCanvas( this );

-    m_canvas->SetScrollbars( 10, 10, 100, 200 );
+    m_canvas->SetScrollbars( 10, 10, 100, 240 );

 }
 
 // event handlers
 
 void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event))
 {
 }
 
 // event handlers
 
 void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event))
 {

-    // TRUE is to force the frame to close
-    Close(TRUE);
+    // true is to force the frame to close
+    Close(true);

 }
 
 void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event))
 {
     wxString msg;
 }
 
 void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event))
 {
     wxString msg;

-    msg.Printf( _T("This is the about dialog of the drawing sample.\n")
-                _T("Copyright (c) Robert Roebling 1999")
+    msg.Printf( wxT("This is the about dialog of the drawing sample.\n")
+                wxT("This sample tests various primitive drawing functions\n")
+                wxT("(without any attempts to prevent flicker).\n")
+                wxT("Copyright (c) Robert Roebling 1999")

               );
 
               );
 

-    wxMessageBox(msg, "About Drawing", wxOK | wxICON_INFORMATION, this);
+    wxMessageBox(msg, _T("About Drawing"), wxOK | wxICON_INFORMATION, this);

 }
 
 }
 

-void MyFrame::OnOption(wxCommandEvent &event)
+void MyFrame::OnClip(wxCommandEvent& event)

 {
 {

-    switch (event.GetInt())
+    m_canvas->Clip(event.IsChecked());
+}
+
+void MyFrame::OnShow(wxCommandEvent& event)
+{
+    m_canvas->ToShow((ScreenToShow)(event.GetId() - MenuShow_First));
+}
+
+void MyFrame::OnOption(wxCommandEvent& event)
+{
+    switch (event.GetId())

     {
         case MapMode_Text:
             m_mapMode = wxMM_TEXT;
     {
         case MapMode_Text:
             m_mapMode = wxMM_TEXT;


@@ -424,6 +1191,14 @@ void MyFrame::OnOption(wxCommandEvent &event)
         case LogicalOrigin_MoveRight:
             m_xLogicalOrigin -= 10;
             break;
         case LogicalOrigin_MoveRight:
             m_xLogicalOrigin -= 10;
             break;

+        case LogicalOrigin_Set:
+            m_xLogicalOrigin =
+            m_yLogicalOrigin = -100;
+            break;
+        case LogicalOrigin_Restore:
+            m_xLogicalOrigin =
+            m_yLogicalOrigin = 0;
+            break;

 
         case UserScale_StretchHoriz:
             m_xUserScale *= 1.10;
 
         case UserScale_StretchHoriz:
             m_xUserScale *= 1.10;


@@ -469,6 +1244,10 @@ void MyFrame::OnOption(wxCommandEvent &event)
                                                            : wxSOLID;
             break;
 
                                                            : wxSOLID;
             break;
 

+        case Colour_TextureBackgound:
+            m_textureBackground = ! m_textureBackground;
+            break;
+

         default:
             // skip Refresh()
             return;
         default:
             // skip Refresh()
             return;


@@ -479,23 +1258,10 @@ void MyFrame::OnOption(wxCommandEvent &event)
 
 void MyFrame::PrepareDC(wxDC& dc)
 {
 
 void MyFrame::PrepareDC(wxDC& dc)
 {

-    dc.SetMapMode( m_mapMode );
-    dc.SetUserScale( m_xUserScale, m_yUserScale );

     dc.SetLogicalOrigin( m_xLogicalOrigin, m_yLogicalOrigin );
     dc.SetAxisOrientation( !m_xAxisReversed, m_yAxisReversed );
     dc.SetLogicalOrigin( m_xLogicalOrigin, m_yLogicalOrigin );
     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 );
+    dc.SetUserScale( m_xUserScale, m_yUserScale );
+    dc.SetMapMode( m_mapMode );

 }
 
 wxColour MyFrame::SelectColour()
 }
 
 wxColour MyFrame::SelectColour()


@@ -511,3 +1277,4 @@ wxColour MyFrame::SelectColour()
 
     return col;
 }
 
     return col;
 }

+