// biol75@york.ac.uk (Chris Elliott) March 2000 #ifdef __BIDE__ #define _NO_VCL #include "condefs.h" USERC("svg.rc"); //--------------------------------------------------------------------------- #define WinMain WinMain #endif ///////////////////////////////////////////////////////////////////////////// // Name: svgtest.cpp // Purpose: SVG sample // Author: Chris Elliott // Modified by: // RCS-ID: $Id$ // Licence: wxWindows license ///////////////////////////////////////////////////////////////////////////// // =========================================================================== // declarations // =========================================================================== // --------------------------------------------------------------------------- // headers // --------------------------------------------------------------------------- // For compilers that support precompilation, includes "wx/wx.h". #include "wx/wxprec.h" #ifdef __BORLANDC__ #pragma hdrstop #endif #ifndef WX_PRECOMP #include "wx/wx.h" #include "wx/mdi.h" #endif #include #include #include "mondrian.xpm" #include "bitmaps/new.xpm" #include "bitmaps/save.xpm" #include "bitmaps/help.xpm" #include "SVGlogo24.xpm" class MyChild; // Define a new application class MyApp : public wxApp { public: bool OnInit(); }; // Define a new frame class MyFrame : public wxMDIParentFrame { public: int nWinCreated; wxList m_children; MyFrame(wxWindow *parent, const wxWindowID id, const wxString& title, const wxPoint& pos, const wxSize& size, const long style); void InitToolBar(wxToolBar* toolBar); void OnSize(wxSizeEvent& event); void OnAbout(wxCommandEvent& event); void OnNewWindow(wxCommandEvent& event); void OnQuit(wxCommandEvent& event); void OnClose(wxCloseEvent& event); void FileSavePicture (wxCommandEvent & WXUNUSED(event) ) ; DECLARE_EVENT_TABLE() }; class MyCanvas : public wxScrolledWindow { public: int m_index ; MyChild * m_child ; MyCanvas(wxWindow *parent, const wxPoint& pos, const wxSize& size); virtual void OnDraw(wxDC& dc); DECLARE_EVENT_TABLE() }; class MyChild: public wxMDIChildFrame { public: MyCanvas *m_canvas; MyFrame *m_frame ; //////////////////// Methods MyChild(wxMDIParentFrame *parent, const wxString& title, const wxPoint& pos, const wxSize& size, const long style); ~MyChild(); void OnActivate(wxActivateEvent& event); void OnQuit(wxCommandEvent& event); void OnClose(wxCloseEvent& event); bool OnSave(wxString filename) ; DECLARE_EVENT_TABLE() }; // menu items ids enum { MDI_QUIT = 100, MDI_NEW_WINDOW, MDI_SAVE, MDI_REFRESH, MDI_CHILD_QUIT, MDI_ABOUT }; IMPLEMENT_APP(MyApp) // --------------------------------------------------------------------------- // global variables // --------------------------------------------------------------------------- MyFrame *frame = (MyFrame *) NULL; // --------------------------------------------------------------------------- // event tables // --------------------------------------------------------------------------- BEGIN_EVENT_TABLE(MyFrame, wxMDIParentFrame) EVT_MENU(MDI_ABOUT, MyFrame::OnAbout) EVT_MENU(MDI_NEW_WINDOW, MyFrame::OnNewWindow) EVT_MENU(MDI_QUIT, MyFrame::OnQuit) EVT_MENU (MDI_SAVE, MyFrame::FileSavePicture) EVT_CLOSE(MyFrame::OnClose) EVT_SIZE(MyFrame::OnSize) END_EVENT_TABLE() // =========================================================================== // implementation // =========================================================================== // --------------------------------------------------------------------------- // MyApp // --------------------------------------------------------------------------- // Initialise this in OnInit, not statically bool MyApp::OnInit() { // Create the main frame window frame = new MyFrame((wxFrame *)NULL, -1, wxT("SVG Demo"), wxPoint(-1, -1), wxSize(500, 400), wxDEFAULT_FRAME_STYLE | wxHSCROLL | wxVSCROLL); // Make a menubar wxMenu *file_menu = new wxMenu; file_menu->Append(MDI_NEW_WINDOW, wxT("&New test\tCtrl+N")); file_menu->Append(MDI_QUIT, wxT("&Exit\tAlt+X")); wxMenu *help_menu = new wxMenu; help_menu->Append(MDI_ABOUT, wxT("&About")); wxMenuBar *menu_bar = new wxMenuBar; menu_bar->Append(file_menu, wxT("&File")); menu_bar->Append(help_menu, wxT("&Help")); // Associate the menu bar with the frame frame->SetMenuBar(menu_bar); #if wxUSE_STATUSBAR frame->CreateStatusBar(); #endif // wxUSE_STATUSBAR frame->Show(true); SetTopWindow(frame); return TRUE; } // --------------------------------------------------------------------------- // MyFrame // --------------------------------------------------------------------------- // Define my frame constructor MyFrame::MyFrame(wxWindow *parent, const wxWindowID id, const wxString& title, const wxPoint& pos, const wxSize& size, const long style) : wxMDIParentFrame(parent, id, title, pos, size, style) { nWinCreated = 0 ; // Give it an icon SetIcon(wxICON(mondrian)); CreateToolBar(wxNO_BORDER | wxTB_FLAT | wxTB_HORIZONTAL); InitToolBar(GetToolBar()); } void MyFrame::OnClose(wxCloseEvent& event) { if ( !event.CanVeto() ) { event.Skip(); return ; } if ( m_children.GetCount () < 1 ) { event.Skip(); return ; } // now try the children wxObjectList::compatibility_iterator pNode = m_children.GetFirst (); wxObjectList::compatibility_iterator pNext ; MyChild * pChild ; while ( pNode ) { pNext = pNode -> GetNext (); pChild = (MyChild*) pNode -> GetData (); if (pChild -> Close ()) { m_children.Erase(pNode) ; } else { event.Veto(); return; } pNode = pNext ; } event.Skip(); } void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event)) { Close(); } void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event) ) { (void)wxMessageBox(wxT("wxWidgets 2.0 SVG 1.0 Test\n") wxT("Author: Chris Elliott (c) 2002\n") wxT("Usage: svg.exe \nClick File | New to show tests\n\n"), wxT("About SVG Test")); } void MyFrame::OnNewWindow(wxCommandEvent& WXUNUSED(event) ) { // Make another frame, containing a canvas MyChild *subframe ; m_children.Append (new MyChild(frame, wxT("SVG Frame"), wxPoint(-1, -1), wxSize(-1, -1), wxDEFAULT_FRAME_STYLE ) ) ; subframe = (MyChild *) m_children.GetLast() -> GetData (); wxString title; title.Printf(wxT("SVG Test Window %d"), nWinCreated ); // counts number of children previously, even if now closed nWinCreated ++ ; // Give it a title and icon subframe->SetTitle(title); subframe->SetIcon(wxICON(mondrian)); // Make a menubar wxMenu *file_menu = new wxMenu; file_menu->Append(MDI_NEW_WINDOW, wxT("&Another test\tCtrl+N")); file_menu->Append(MDI_SAVE, wxT("&Save\tCtrl+S"), wxT("Save in SVG format")); file_menu->Append(MDI_CHILD_QUIT, wxT("&Close child\tCtrl+F4")); file_menu->Append(MDI_QUIT, wxT("&Exit\tAlt+X")); wxMenu *help_menu = new wxMenu; help_menu->Append(MDI_ABOUT, wxT("&About")); wxMenuBar *menu_bar = new wxMenuBar; menu_bar->Append(file_menu, wxT("&File")); menu_bar->Append(help_menu, wxT("&Help")); // Associate the menu bar with the frame subframe->SetMenuBar(menu_bar); subframe->Show(TRUE); } void MyFrame::OnSize(wxSizeEvent& event) { int w, h; GetClientSize(&w, &h); GetClientWindow()->SetSize(0, 0, w, h); event.Skip(); } void MyFrame::InitToolBar(wxToolBar* toolBar) { const int maxBitmaps = 3 ; wxBitmap* bitmaps[maxBitmaps]; bitmaps[0] = new wxBitmap( new_xpm ); bitmaps[1] = new wxBitmap( save_xpm ); bitmaps[2] = new wxBitmap( help_xpm ); int width = 16; int currentX = 5; toolBar->AddTool( MDI_NEW_WINDOW, *(bitmaps[0]), wxNullBitmap, FALSE, currentX, -1, (wxObject *) NULL, wxT("New SVG test window")); currentX += width + 5; toolBar->AddTool( MDI_SAVE, *bitmaps[1], wxNullBitmap, FALSE, currentX, -1, (wxObject *) NULL, wxT("Save test in SVG format")); currentX += width + 5; toolBar->AddSeparator(); toolBar->AddTool(MDI_ABOUT, *bitmaps[2], wxNullBitmap, TRUE, currentX, -1, (wxObject *) NULL, wxT("Help")); toolBar->Realize(); int i; for (i = 0; i < maxBitmaps; i++) delete bitmaps[i]; } void MyFrame::FileSavePicture (wxCommandEvent & WXUNUSED(event) ) { MyChild * pChild = (MyChild *)GetActiveChild (); if (pChild == NULL) { return ; } wxFileDialog dialog(this, wxT("Save Picture as"), wxEmptyString, pChild->GetTitle(), wxT("SVG vector picture files (*.svg)|*.svg"), wxSAVE|wxOVERWRITE_PROMPT); if (dialog.ShowModal() == wxID_OK) { if (!pChild -> OnSave ( dialog.GetPath() )) { return ; } } return ; } // Note that MDI_NEW_WINDOW and MDI_ABOUT commands get passed // to the parent window for processing, so no need to // duplicate event handlers here. BEGIN_EVENT_TABLE(MyChild, wxMDIChildFrame) EVT_MENU(MDI_CHILD_QUIT, MyChild::OnQuit) EVT_CLOSE(MyChild::OnClose) END_EVENT_TABLE() BEGIN_EVENT_TABLE(MyCanvas, wxScrolledWindow) END_EVENT_TABLE() // --------------------------------------------------------------------------- // MyCanvas // --------------------------------------------------------------------------- // Define a constructor for my canvas MyCanvas::MyCanvas(wxWindow *parent, const wxPoint& pos, const wxSize& size) : wxScrolledWindow(parent, -1, pos, size, wxSUNKEN_BORDER|wxVSCROLL|wxHSCROLL) { m_child = (MyChild *) parent ; SetBackgroundColour(wxColour(_T("WHITE"))); m_index = m_child->m_frame->nWinCreated % 7 ; } // Define the repainting behaviour void MyCanvas::OnDraw(wxDC& dc) { // vars to use ... #if wxUSE_STATUSBAR wxString s ; #endif // wxUSE_STATUSBAR wxPen wP ; wxBrush wB ; wxPoint points[6]; wxColour wC; wxFont wF ; dc.SetFont(*wxSWISS_FONT); dc.SetPen(*wxGREEN_PEN); switch (m_index) { default: case 0: // draw lines to make a cross dc.DrawLine(0, 0, 200, 200); dc.DrawLine(200, 0, 0, 200); // draw point colored line and spline wP = *wxCYAN_PEN ; wP.SetWidth(3); dc.SetPen(wP); dc.DrawPoint (25,15) ; dc.DrawLine(50, 30, 200, 30); dc.DrawSpline(50, 200, 50, 100, 200, 10); #if wxUSE_STATUSBAR s = wxT("Green Cross, Cyan Line and spline"); #endif // wxUSE_STATUSBAR break ; case 1: // draw standard shapes dc.SetBrush(*wxCYAN_BRUSH); dc.SetPen(*wxRED_PEN); dc.DrawRectangle(10, 10, 100, 70); wB = wxBrush (_T("DARK ORCHID"), wxTRANSPARENT); dc.SetBrush (wB); dc.DrawRoundedRectangle(50, 50, 100, 70, 20); dc.SetBrush (wxBrush(_T("GOLDENROD"), wxSOLID) ); dc.DrawEllipse(100, 100, 100, 50); points[0].x = 100; points[0].y = 200; points[1].x = 70; points[1].y = 260; points[2].x = 160; points[2].y = 230; points[3].x = 40; points[3].y = 230; points[4].x = 130; points[4].y = 260; points[5].x = 100; points[5].y = 200; dc.DrawPolygon(5, points); dc.DrawLines (6, points, 160); #if wxUSE_STATUSBAR s = wxT("Blue rectangle, red edge, clear rounded rectangle, gold ellipse, gold and clear stars"); #endif // wxUSE_STATUSBAR break ; case 2: // draw text in Arial or similar font dc.DrawLine(50,25,50,35); dc.DrawLine(45,30,55,30); dc.DrawText(wxT("This is a Swiss-style string"), 50, 30); wC = dc.GetTextForeground() ; dc.SetTextForeground (_T("FIREBRICK")); // no effect in msw ?? dc.SetTextBackground (_T("WHEAT")); dc.DrawText(wxT("This is a Red string"), 50, 200); dc.DrawRotatedText(wxT("This is a 45 deg string"), 50, 200, 45); dc.DrawRotatedText(wxT("This is a 90 deg string"), 50, 200, 90); wF = wxFont ( 18, wxROMAN, wxITALIC, wxBOLD, FALSE, wxT("Times New Roman")); dc.SetFont(wF); dc.SetTextForeground (wC) ; dc.DrawText(wxT("This is a Times-style string"), 50, 60); #if wxUSE_STATUSBAR s = wxT("Swiss, Times text; red text, rotated and colored orange"); #endif // wxUSE_STATUSBAR break ; case 3 : // four arcs start and end points, center dc.SetBrush(*wxGREEN_BRUSH); dc.DrawArc ( 200,300, 370,230, 300,300 ); dc.SetBrush(*wxBLUE_BRUSH); dc.DrawArc ( 270-50, 270-86, 270-86, 270-50, 270,270 ); dc.SetDeviceOrigin(-10,-10); dc.DrawArc ( 270-50, 270-86, 270-86, 270-50, 270,270 ); dc.SetDeviceOrigin(0,0); wP.SetColour (_T("CADET BLUE")); dc.SetPen(wP); dc.DrawArc ( 75,125, 110, 40, 75, 75 ); wP.SetColour (_T("SALMON")); dc.SetPen(wP); dc.SetBrush(*wxRED_BRUSH); //top left corner, width and height, start and end angle // 315 same center and x-radius as last pie-arc, half Y radius dc.DrawEllipticArc(25,50,100,50,180.0,45.0) ; wP = *wxCYAN_PEN ; wP.SetWidth(3); dc.SetPen(wP); //wxTRANSPARENT)); dc.SetBrush (wxBrush (_T("SALMON"),wxSOLID)) ; dc.DrawEllipticArc(300, 0,200,100, 0.0,145.0) ; //same end point dc.DrawEllipticArc(300, 50,200,100,90.0,145.0) ; dc.DrawEllipticArc(300,100,200,100,90.0,345.0) ; #if wxUSE_STATUSBAR s = wxT("This is an arc test page"); #endif // wxUSE_STATUSBAR break ; case 4: dc.DrawCheckMark ( 30,30,25,25); dc.SetBrush (wxBrush (_T("SALMON"),wxTRANSPARENT)); dc.DrawCheckMark ( 80,50,75,75); dc.DrawRectangle ( 80,50,75,75); #if wxUSE_STATUSBAR s = wxT("Two check marks"); #endif // wxUSE_STATUSBAR break ; case 5: wF = wxFont ( 18, wxROMAN, wxITALIC, wxBOLD, FALSE, wxT("Times New Roman")); dc.SetFont(wF); dc.DrawLine(0, 0, 200, 200); dc.DrawLine(200, 0, 0, 200); dc.DrawText(wxT("This is an 18pt string"), 50, 60); // rescale and draw in blue wP = *wxCYAN_PEN ; dc.SetPen(wP); dc.SetUserScale (2.0,0.5); dc.SetDeviceOrigin(200,0); dc.DrawLine(0, 0, 200, 200); dc.DrawLine(200, 0, 0, 200); dc.DrawText(wxT("This is an 18pt string 2 x 0.5 UserScaled"), 50, 60); dc.SetUserScale (2.0,2.0); dc.SetDeviceOrigin(200,200); dc.DrawText(wxT("This is an 18pt string 2 x 2 UserScaled"), 50, 60); wP = *wxRED_PEN ; dc.SetPen(wP); dc.SetUserScale (1.0,1.0); dc.SetDeviceOrigin(0,10); dc.SetMapMode (wxMM_METRIC) ; //svg ignores this dc.DrawLine(0, 0, 200, 200); dc.DrawLine(200, 0, 0, 200); dc.DrawText(wxT("This is an 18pt string in MapMode"), 50, 60); #if wxUSE_STATUSBAR s = wxT("Scaling test page"); #endif // wxUSE_STATUSBAR break ; case 6: dc.DrawIcon( wxIcon(mondrian_xpm), 10, 10 ); dc.DrawBitmap ( wxBitmap(svgbitmap_xpm), 50,15); #if wxUSE_STATUSBAR s = wxT("Icon and Bitmap "); #endif // wxUSE_STATUSBAR break ; } #if wxUSE_STATUSBAR m_child->SetStatusText(s); #endif // wxUSE_STATUSBAR } // --------------------------------------------------------------------------- // MyChild // --------------------------------------------------------------------------- MyChild::MyChild(wxMDIParentFrame *parent, const wxString& title, const wxPoint& pos, const wxSize& size, const long style) : wxMDIChildFrame(parent, -1, title, pos, size, style) { m_frame = (MyFrame *) parent ; #if wxUSE_STATUSBAR CreateStatusBar(); SetStatusText(title); #endif // wxUSE_STATUSBAR int w, h ; GetClientSize ( &w, &h ); m_canvas = new MyCanvas(this, wxPoint(0, 0), wxSize (w,h) ); // Give it scrollbars m_canvas->SetScrollbars(20, 20, 50, 50); } MyChild::~MyChild() { m_frame->m_children.DeleteObject(this); } void MyChild::OnQuit(wxCommandEvent& WXUNUSED(event)) { Close(TRUE); } bool MyChild::OnSave(wxString filename) { wxSVGFileDC svgDC (filename, 600, 650) ; m_canvas->OnDraw (svgDC); return svgDC.Ok(); } void MyChild::OnActivate(wxActivateEvent& event) { if ( event.GetActive() && m_canvas ) m_canvas->SetFocus(); } void MyChild::OnClose(wxCloseEvent& event) { event.Skip(); }