X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/6386110d028b9b48d95e21e7af56457d69f264e1..830efc9b0cb87eae22d4435af7858175017522ab:/samples/drawing/drawing.cpp diff --git a/samples/drawing/drawing.cpp b/samples/drawing/drawing.cpp index 93c4b6df2f..6e15c9c541 100644 --- a/samples/drawing/drawing.cpp +++ b/samples/drawing/drawing.cpp @@ -37,13 +37,14 @@ #include "wx/colordlg.h" #include "wx/image.h" +#include "wx/artprov.h" // ---------------------------------------------------------------------------- // ressources // ---------------------------------------------------------------------------- // the application icon -#if defined(__WXGTK__) || defined(__WXMOTIF__) || defined(__WXMAC__) +#if defined(__WXGTK__) || defined(__WXMOTIF__) || defined(__WXMAC__) || defined(__WXMGL__) || defined(__WXX11__) #include "mondrian.xpm" #endif @@ -114,6 +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); @@ -150,6 +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); @@ -161,7 +166,7 @@ protected: void DrawCircles(wxDC& dc); void DrawDefault(wxDC& dc); - void DrawRegionsHelper(wxDC& dc, wxCoord x); + void DrawRegionsHelper(wxDC& dc, wxCoord x, bool firstTime); private: MyFrame *m_owner; @@ -169,6 +174,7 @@ private: ScreenToShow m_show; wxBitmap m_smile_bmp; wxIcon m_std_icon; + bool m_clip; DECLARE_EVENT_TABLE() }; @@ -196,6 +202,8 @@ enum File_ShowCircles, MenuShow_Last = File_ShowCircles, + File_Clip, + MenuOption_First, MapMode_Text = MenuOption_First, @@ -217,6 +225,8 @@ enum LogicalOrigin_MoveUp, LogicalOrigin_MoveLeft, LogicalOrigin_MoveRight, + LogicalOrigin_Set, + LogicalOrigin_Restore, Colour_TextForeground, Colour_TextBackground, @@ -366,7 +376,7 @@ MyCanvas::MyCanvas(MyFrame *parent) m_owner = parent; m_show = Show_Default; m_smile_bmp = wxBitmap(smile_xpm); - m_std_icon = wxTheApp->GetStdIcon(wxICON_INFORMATION); + m_std_icon = wxArtProvider::GetIcon(wxART_INFORMATION); } void MyCanvas::DrawTestBrushes(wxDC& dc) @@ -472,10 +482,12 @@ void MyCanvas::DrawDefault(wxDC& dc) { // mark the origin dc.DrawCircle(0, 0, 10); -#if !(defined __WXGTK__) && !(defined __WXMOTIF__) && !(defined __WXMGL__) - // not implemented in wxGTK or wxMOTIF :-( - 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); @@ -551,9 +563,9 @@ void MyCanvas::DrawDefault(wxDC& dc) memdc.SelectObject( wxNullBitmap ); dc.DrawBitmap( bitmap, 10, 170 ); - wxImage image( bitmap ); + wxImage image = bitmap.ConvertToImage(); image.Rescale( 60,210 ); - bitmap = image.ConvertToBitmap(); + bitmap = wxBitmap(image); dc.DrawBitmap( bitmap, 50, 170 ); // test the rectangle outline drawing - there should be one pixel between @@ -841,50 +853,54 @@ void MyCanvas::DrawRegions(wxDC& dc) { dc.DrawText("You should see a red rect partly covered by a cyan one " "on the left", 10, 5); - dc.DrawText("and 5 smileys from which 4 are partially clipped on the " - "right (2 copies should be identical)", + dc.DrawText("and 5 smileys from which 4 are partially clipped on the right", 10, 5 + dc.GetCharHeight()); + dc.DrawText("The second copy should be identical but right part of it " + "should be offset by 10 pixels.", + 10, 5 + 2*dc.GetCharHeight()); - DrawRegionsHelper(dc, 10); - DrawRegionsHelper(dc, 350); + DrawRegionsHelper(dc, 10, TRUE); + DrawRegionsHelper(dc, 350, FALSE); } -void MyCanvas::DrawRegionsHelper(wxDC& dc, wxCoord x) +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,50,310,310 ); + dc.DrawRectangle( x, y, 310, 310 ); - dc.SetClippingRegion( x+10,60,100,270 ); + dc.SetClippingRegion( x + 10, y + 10, 100, 270 ); dc.SetBrush( *wxRED_BRUSH ); - dc.DrawRectangle( x,50,310,310 ); + dc.DrawRectangle( x, y, 310, 310 ); - dc.SetClippingRegion( x+10,60,100,100 ); + dc.SetClippingRegion( x + 10, y + 10, 100, 100 ); dc.SetBrush( *wxCYAN_BRUSH ); - dc.DrawRectangle( x,50,310,310 ); + dc.DrawRectangle( x, y, 310, 310 ); + + dc.DestroyClippingRegion(); - // when drawing the left half, destroy the clipping region, when drawing - // the right one - leave it - // - // normally it shouldn't make any difference as SetClippingRegion() - // replaces the old clipping region - if ( x < 300 ) - dc.DestroyClippingRegion(); - dc.SetClippingRegion( x+110,70,100,270 ); + 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,50,310,310 ); + dc.DrawRectangle( x, y, 310, 310 ); if (m_smile_bmp.Ok()) { - dc.DrawBitmap( m_smile_bmp, x+150, 200, TRUE ); - dc.DrawBitmap( m_smile_bmp, x+130, 60, TRUE ); - dc.DrawBitmap( m_smile_bmp, x+130, 330, TRUE ); - dc.DrawBitmap( m_smile_bmp, x+100, 120, TRUE ); - dc.DrawBitmap( m_smile_bmp, x+200, 120, TRUE ); + 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 ); } } @@ -910,11 +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); } @@ -985,6 +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) @@ -1010,6 +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"); @@ -1022,12 +1045,12 @@ MyFrame::MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size) menuMapMode->Append( MapMode_Metric, "&METRIC map mode" ); 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, "Stretch &horizontally\tCtrl-H" ); + menuUserScale->Append( UserScale_ShrinkHoriz, "Shrin&k horizontally\tCtrl-G" ); + menuUserScale->Append( UserScale_StretchVertic, "Stretch &vertically\tCtrl-V" ); + menuUserScale->Append( UserScale_ShrinkVertic, "&Shrink vertically\tCtrl-W" ); menuUserScale->AppendSeparator(); - menuUserScale->Append( UserScale_Restore, "Restore to normal\tCtrl-0" ); + menuUserScale->Append( UserScale_Restore, "&Restore to normal\tCtrl-0" ); wxMenu *menuAxis = new wxMenu; menuAxis->Append( AxisMirror_Horiz, "Mirror horizontally\tCtrl-M", "", TRUE ); @@ -1038,21 +1061,24 @@ MyFrame::MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size) 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->AppendSeparator(); + menuLogical->Append( LogicalOrigin_Set, "Set to (&100, 100)\tShift-Ctrl-1" ); + menuLogical->Append( LogicalOrigin_Restore, "&Restore to normal\tShift-Ctrl-0" ); 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_TextureBackgound, "Draw textured background\tCtrl-T", "", TRUE); + 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_TextureBackgound, "Draw textured back&ground\tCtrl-T", "", TRUE); // 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(menuMapMode, "&Mode"); + menuBar->Append(menuUserScale, "&Scale"); menuBar->Append(menuAxis, "&Axis"); - menuBar->Append(menuLogical, "&LogicalOrigin"); + menuBar->Append(menuLogical, "&Origin"); menuBar->Append(menuColour, "&Colours"); // ... and attach this menu bar to the frame @@ -1098,6 +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)); @@ -1135,6 +1166,14 @@ void MyFrame::OnOption(wxCommandEvent& event) 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; @@ -1194,10 +1233,10 @@ void MyFrame::OnOption(wxCommandEvent& event) 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.SetUserScale( m_xUserScale, m_yUserScale ); + dc.SetMapMode( m_mapMode ); } wxColour MyFrame::SelectColour()