X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/36ca94a260b93ca35c5d5a09edfb8e104be0d694..fa699cbaaf217af186cd04dd10d6ec67c8667136:/samples/svg/svgtest.cpp diff --git a/samples/svg/svgtest.cpp b/samples/svg/svgtest.cpp index 96ba193cf8..a70673a594 100644 --- a/samples/svg/svgtest.cpp +++ b/samples/svg/svgtest.cpp @@ -1,19 +1,10 @@ -// 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 +// Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// // =========================================================================== @@ -36,80 +27,97 @@ USERC("svg.rc"); #include "wx/mdi.h" #endif -#include -#include - -#include "mondrian.xpm" +#include "wx/toolbar.h" +#include "wx/dcsvg.h" +#include "wx/vector.h" #include "bitmaps/new.xpm" #include "bitmaps/save.xpm" #include "bitmaps/help.xpm" #include "SVGlogo24.xpm" - + +#ifndef wxHAS_IMAGES_IN_RESOURCES + #include "../sample.xpm" +#endif + +#include + class MyChild; +class MyCanvas; + +// --------------------------------------------------------------------------- +// classes +// --------------------------------------------------------------------------- -// Define a new application class MyApp : public wxApp { - public: - bool OnInit(); +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, +public: + MyFrame(wxWindow *parent, const wxWindowID id, const wxString& title, const wxPoint& pos, const wxSize& size, const long style); - void InitToolBar(wxToolBar* toolBar); + 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) ) ; + void OnSize(wxSizeEvent& event); + void OnAbout(wxCommandEvent& event); + void OnNewWindow(wxCommandEvent& event); + void OnQuit(wxCommandEvent& event); + void FileSavePicture (wxCommandEvent& event); - DECLARE_EVENT_TABLE() -}; + unsigned int GetCountOfChildren() const + { return m_nWinCreated; } +private: + unsigned int m_nWinCreated; -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() + DECLARE_EVENT_TABLE() }; class MyChild: public wxMDIChildFrame { - public: - MyCanvas *m_canvas; - MyFrame *m_frame ; +public: + MyChild(wxMDIParentFrame *parent, const wxString& title, + const wxPoint& pos = wxDefaultPosition, + const wxSize& size = wxDefaultSize, + const long style = wxDEFAULT_FRAME_STYLE); + ~MyChild(); - //////////////////// Methods + void OnActivate(wxActivateEvent& event); + void OnQuit(wxCommandEvent& event); + bool OnSave(wxString filename); + + MyFrame* GetFrame() + { return m_frame; } + +private: + MyCanvas *m_canvas; + MyFrame *m_frame; + + DECLARE_EVENT_TABLE() +}; - MyChild(wxMDIParentFrame *parent, const wxString& title, const wxPoint& pos, const wxSize& size, const long style); - ~MyChild(); +class MyCanvas : public wxScrolledWindow +{ +public: + MyCanvas(MyChild *parent, const wxPoint& pos, const wxSize& size); + virtual void OnDraw(wxDC& dc); - void OnActivate(wxActivateEvent& event); - void OnQuit(wxCommandEvent& event); - void OnClose(wxCloseEvent& event); - bool OnSave(wxString filename) ; +private: + int m_index; + MyChild* m_child; - DECLARE_EVENT_TABLE() + DECLARE_EVENT_TABLE() }; +// --------------------------------------------------------------------------- +// constants +// --------------------------------------------------------------------------- + // menu items ids enum { @@ -121,27 +129,17 @@ enum 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_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_SIZE(MyFrame::OnSize) + EVT_SIZE(MyFrame::OnSize) END_EVENT_TABLE() // =========================================================================== @@ -152,15 +150,34 @@ END_EVENT_TABLE() // MyApp // --------------------------------------------------------------------------- -// Initialise this in OnInit, not statically +IMPLEMENT_APP(MyApp) + 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); - + MyFrame* frame = new MyFrame((wxFrame *)NULL, -1, wxT("SVG Demo"), + wxDefaultPosition, wxSize(500, 400), + wxDEFAULT_FRAME_STYLE | wxHSCROLL | wxVSCROLL); + + frame->Show(true); + + 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) +{ + m_nWinCreated = 0; + + SetIcon(wxICON(sample)); // Make a menubar wxMenu *file_menu = new wxMenu; @@ -177,107 +194,43 @@ bool MyApp::OnInit() menu_bar->Append(help_menu, wxT("&Help")); // Associate the menu bar with the frame - frame->SetMenuBar(menu_bar); + SetMenuBar(menu_bar); #if wxUSE_STATUSBAR - frame->CreateStatusBar(); + 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)wxMessageBox(wxT("wxWidgets SVG sample\n") + wxT("Author: Chris Elliott (c) 2002-2009\n") + wxT("Usage: click File|New to show tests"), + 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 ) ) ; + MyChild *subframe = new MyChild(this, wxT("SVG Frame")); - subframe = (MyChild *) m_children.GetLast() -> GetData (); wxString title; - title.Printf(wxT("SVG Test Window %d"), nWinCreated ); + title.Printf(wxT("SVG Test Window %d"), m_nWinCreated ); + // counts number of children previously, even if now closed - nWinCreated ++ ; + m_nWinCreated ++; // Give it a title and icon subframe->SetTitle(title); - subframe->SetIcon(wxICON(mondrian)); + subframe->SetIcon(wxICON(sample)); // Make a menubar wxMenu *file_menu = new wxMenu; @@ -298,10 +251,9 @@ void MyFrame::OnNewWindow(wxCommandEvent& WXUNUSED(event) ) // Associate the menu bar with the frame subframe->SetMenuBar(menu_bar); - subframe->Show(TRUE); + subframe->Show(true); } - void MyFrame::OnSize(wxSizeEvent& event) { int w, h; @@ -311,25 +263,19 @@ void MyFrame::OnSize(wxSizeEvent& event) event.Skip(); } - void MyFrame::InitToolBar(wxToolBar* toolBar) { - const int maxBitmaps = 3 ; + 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->AddTool(MDI_NEW_WINDOW, wxEmptyString, *(bitmaps[0]), wxS("New SVG test window")); + toolBar->AddTool(MDI_SAVE, wxEmptyString, *bitmaps[1], wxS("Save test in SVG format")); + toolBar->AddSeparator(); + toolBar->AddTool(MDI_ABOUT, wxEmptyString, *bitmaps[2], wxS("Help")); toolBar->Realize(); @@ -338,74 +284,64 @@ void MyFrame::InitToolBar(wxToolBar* toolBar) delete bitmaps[i]; } - void MyFrame::FileSavePicture (wxCommandEvent & WXUNUSED(event) ) { - MyChild * pChild = (MyChild *)GetActiveChild (); - if (pChild == NULL) +#if wxUSE_FILEDLG + MyChild * pChild = (MyChild *)GetActiveChild(); + if (pChild == NULL) { - return ; + return; } wxFileDialog dialog(this, wxT("Save Picture as"), wxEmptyString, pChild->GetTitle(), wxT("SVG vector picture files (*.svg)|*.svg"), - wxSAVE|wxOVERWRITE_PROMPT); + wxFD_SAVE|wxFD_OVERWRITE_PROMPT); if (dialog.ShowModal() == wxID_OK) { - if (!pChild -> OnSave ( dialog.GetPath() )) + if (!pChild->OnSave ( dialog.GetPath() )) { - return ; + return; } } - return ; + return; +#endif // wxUSE_FILEDLG } -// 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 // --------------------------------------------------------------------------- +BEGIN_EVENT_TABLE(MyCanvas, wxScrolledWindow) +END_EVENT_TABLE() + // 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) +MyCanvas::MyCanvas(MyChild *parent, const wxPoint& pos, const wxSize& size) + : wxScrolledWindow(parent, wxID_ANY, pos, size, wxSUNKEN_BORDER|wxVSCROLL|wxHSCROLL) { - m_child = (MyChild *) parent ; - SetBackgroundColour(wxColour(_T("WHITE"))); - m_index = m_child->m_frame->nWinCreated % 7 ; -} + SetBackgroundColour(*wxWHITE); + m_child = parent; + m_index = m_child->GetFrame()->GetCountOfChildren() % 9; +} // Define the repainting behaviour void MyCanvas::OnDraw(wxDC& dc) { // vars to use ... #if wxUSE_STATUSBAR - wxString s ; + wxString s; #endif // wxUSE_STATUSBAR - wxPen wP ; - wxBrush wB ; + wxPen wP; + wxBrush wB; wxPoint points[6]; wxColour wC; - wxFont wF ; + wxFont wF; dc.SetFont(*wxSWISS_FONT); dc.SetPen(*wxGREEN_PEN); - switch (m_index) { default: @@ -414,27 +350,27 @@ void MyCanvas::OnDraw(wxDC& dc) dc.DrawLine(0, 0, 200, 200); dc.DrawLine(200, 0, 0, 200); // draw point colored line and spline - wP = *wxCYAN_PEN ; + wP = *wxCYAN_PEN; wP.SetWidth(3); dc.SetPen(wP); - dc.DrawPoint (25,15) ; + 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 ; + 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); + wB = wxBrush (wxT("DARK ORCHID"), wxBRUSHSTYLE_TRANSPARENT); dc.SetBrush (wB); dc.DrawRoundedRectangle(50, 50, 100, 70, 20); - dc.SetBrush (wxBrush(_T("GOLDENROD"), wxSOLID) ); + dc.SetBrush (wxBrush(wxT("GOLDENROD")) ); dc.DrawEllipse(100, 100, 100, 50); points[0].x = 100; points[0].y = 200; @@ -449,29 +385,29 @@ void MyCanvas::OnDraw(wxDC& dc) #if wxUSE_STATUSBAR s = wxT("Blue rectangle, red edge, clear rounded rectangle, gold ellipse, gold and clear stars"); #endif // wxUSE_STATUSBAR - break ; + 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")); - + wC = dc.GetTextForeground(); + dc.SetTextForeground (wxT("FIREBRICK")); + // no effect in msw ?? - dc.SetTextBackground (_T("WHEAT")); + dc.SetTextBackground (wxT("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")); + wF = wxFont ( 18, wxROMAN, wxITALIC, wxBOLD, false, wxT("Times New Roman")); dc.SetFont(wF); - dc.SetTextForeground (wC) ; + 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 ; + break; case 3 : // four arcs start and end points, center @@ -483,51 +419,51 @@ void MyCanvas::OnDraw(wxDC& dc) dc.DrawArc ( 270-50, 270-86, 270-86, 270-50, 270,270 ); dc.SetDeviceOrigin(0,0); - wP.SetColour (_T("CADET BLUE")); + wP.SetColour (wxT("CADET BLUE")); dc.SetPen(wP); dc.DrawArc ( 75,125, 110, 40, 75, 75 ); - wP.SetColour (_T("SALMON")); + wP.SetColour (wxT("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) ; + dc.DrawEllipticArc(25,50,100,50,180.0,45.0); - wP = *wxCYAN_PEN ; + 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) ; + dc.SetBrush (wxBrush (wxT("SALMON"))); + 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) ; + 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 ; + break; case 4: dc.DrawCheckMark ( 30,30,25,25); - dc.SetBrush (wxBrush (_T("SALMON"),wxTRANSPARENT)); + dc.SetBrush (wxBrush (wxT("SALMON"),wxBRUSHSTYLE_TRANSPARENT)); dc.DrawCheckMark ( 80,50,75,75); dc.DrawRectangle ( 80,50,75,75); #if wxUSE_STATUSBAR s = wxT("Two check marks"); #endif // wxUSE_STATUSBAR - break ; + break; case 5: - wF = wxFont ( 18, wxROMAN, wxITALIC, wxBOLD, FALSE, wxT("Times New Roman")); + 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 ; + wP = *wxCYAN_PEN; dc.SetPen(wP); dc.SetUserScale (2.0,0.5); dc.SetDeviceOrigin(200,0); @@ -538,27 +474,132 @@ void MyCanvas::OnDraw(wxDC& dc) dc.SetDeviceOrigin(200,200); dc.DrawText(wxT("This is an 18pt string 2 x 2 UserScaled"), 50, 60); - wP = *wxRED_PEN ; + wP = *wxRED_PEN; dc.SetPen(wP); dc.SetUserScale (1.0,1.0); dc.SetDeviceOrigin(0,10); - dc.SetMapMode (wxMM_METRIC) ; //svg ignores this + 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); + dc.DrawText(wxT("This is an 18pt string in MapMode"), 50, 60); #if wxUSE_STATUSBAR s = wxT("Scaling test page"); #endif // wxUSE_STATUSBAR - break ; + break; case 6: - dc.DrawIcon( wxIcon(mondrian_xpm), 10, 10 ); + dc.DrawIcon( wxICON(sample), 10, 10 ); dc.DrawBitmap ( wxBitmap(svgbitmap_xpm), 50,15); #if wxUSE_STATUSBAR s = wxT("Icon and Bitmap "); #endif // wxUSE_STATUSBAR - break ; + break; + + case 7: + dc.SetTextForeground(wxT("RED")); + dc.DrawText(wxT("Red = Clipping Off"), 30, 5); + dc.SetTextForeground(wxT("GREEN")); + dc.DrawText(wxT("Green = Clipping On"), 30, 25); + + dc.SetTextForeground(wxT("BLACK")); + + dc.SetPen(*wxRED_PEN); + dc.SetBrush (wxBrush (wxT("SALMON"),wxBRUSHSTYLE_TRANSPARENT)); + dc.DrawCheckMark ( 80,50,75,75); + dc.DrawRectangle ( 80,50,75,75); + + dc.SetPen(*wxGREEN_PEN); + + // Clipped checkmarks + dc.DrawRectangle(180,50,75,75); + dc.SetClippingRegion(180,50,75,75); // x,y,width,height version + dc.DrawCheckMark ( 180,50,75,75); + dc.DestroyClippingRegion(); + + dc.DrawRectangle(wxRect(80,150,75,75)); + dc.SetClippingRegion(wxPoint(80,150),wxSize(75,75)); // pt,size version + dc.DrawCheckMark ( 80,150,75,75); + dc.DestroyClippingRegion(); + + dc.DrawRectangle(wxRect(180,150,75,75)); + dc.SetClippingRegion(wxRect(180,150,75,75)); // rect version + dc.DrawCheckMark ( 180,150,75,75); + dc.DestroyClippingRegion(); + + dc.DrawRectangle(wxRect( 80,250,50,65)); + dc.DrawRectangle(wxRect(105,260,50,65)); + dc.SetClippingRegion(wxRect( 80,250,50,65)); // second call to SetClippingRegion + dc.SetClippingRegion(wxRect(105,260,50,65)); // forms intersection with previous + dc.DrawCheckMark(80,250,75,75); + dc.DestroyClippingRegion(); // only one call to destroy (there's no stack) + + /* + ** Clipping by wxRegion not implemented for SVG. Should be + ** possible, but need to access points that define the wxRegion + ** from inside DoSetDeviceClippingRegion() and wxRegion does not + ** implement anything like getPoints(). + points[0].x = 180; points[0].y = 250; + points[1].x = 255; points[1].y = 250; + points[2].x = 180; points[2].y = 325; + points[3].x = 255; points[3].y = 325; + points[4].x = 180; points[4].y = 250; + + dc.DrawLines (5, points); + wxRegion reg = wxRegion(5,points); + + dc.SetClippingRegion(reg); + dc.DrawCheckMark ( 180,250,75,75); + dc.DestroyClippingRegion(); + */ + +#if wxUSE_STATUSBAR + s = wxT("Clipping region"); +#endif // wxUSE_STATUSBAR + break; + + case 8: + wxString txtStr; + wxCoord txtX, txtY, txtW, txtH, txtDescent, txtEL; + wxCoord txtPad = 0; + wP = *wxRED_PEN; + dc.SetPen(wP); + //dc.SetBackgroundMode(wxBRUSHSTYLE_SOLID); + //dc.SetTextBackground(*wxBLUE); + + // Horizontal text + txtStr = wxT("Horizontal string"); + dc.GetTextExtent(txtStr, &txtW, &txtH, &txtDescent, &txtEL); + txtX = 50; + txtY = 300; + dc.DrawRectangle(txtX, txtY, txtW + 2*txtPad, txtH + 2*txtPad); + dc.DrawText(txtStr, txtX + txtPad, txtY + txtPad); + + // Vertical text + txtStr = wxT("Vertical string"); + dc.GetTextExtent(txtStr, &txtW, &txtH, &txtDescent, &txtEL); + txtX = 50; + txtY = 250; + dc.DrawRectangle(txtX, txtY - (txtW + 2*txtPad), txtH + 2*txtPad, txtW + 2*txtPad); + dc.DrawRotatedText(txtStr, txtX + txtPad, txtY - txtPad, 90); + + // 45 degree text + txtStr = wxT("45 deg string"); + dc.GetTextExtent(txtStr, &txtW, &txtH, &txtDescent, &txtEL); + double lenW = (double)(txtW + 2*txtPad) / sqrt(2.0); + double lenH = (double)(txtH + 2*txtPad) / sqrt(2.0); + double padding = (double)txtPad / sqrt(2.0); + txtX = 150; + txtY = 200; + dc.DrawLine(txtX - padding, txtY, txtX + lenW, txtY - lenW); // top + dc.DrawLine(txtX + lenW, txtY - lenW, txtX - padding + lenH + lenW, txtY + (lenH - lenW)); + dc.DrawLine(txtX - padding, txtY, txtX - padding + lenH, txtY + lenH); + dc.DrawLine(txtX - padding + lenH, txtY + lenH, txtX - padding + lenH + lenW, txtY + (lenH - lenW)); // bottom + dc.DrawRotatedText(txtStr, txtX, txtY, 45); +#if wxUSE_STATUSBAR + s = wxT("Text position test page"); +#endif // wxUSE_STATUSBAR + break; } #if wxUSE_STATUSBAR m_child->SetStatusText(s); @@ -566,62 +607,54 @@ void MyCanvas::OnDraw(wxDC& dc) } - - // --------------------------------------------------------------------------- // MyChild // --------------------------------------------------------------------------- +// 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) +END_EVENT_TABLE() + MyChild::MyChild(wxMDIParentFrame *parent, const wxString& title, -const wxPoint& pos, const wxSize& size, -const long style) -: wxMDIChildFrame(parent, -1, title, pos, size, style) + const wxPoint& pos, const wxSize& size, + const long style) + : wxMDIChildFrame(parent, wxID_ANY, title, pos, size, style) { + m_frame = (MyFrame *) parent; - m_frame = (MyFrame *) parent ; #if wxUSE_STATUSBAR CreateStatusBar(); - SetStatusText(title); + SetStatusText(title); #endif // wxUSE_STATUSBAR - int w, h ; - GetClientSize ( &w, &h ); - m_canvas = new MyCanvas(this, wxPoint(0, 0), wxSize (w,h) ); + m_canvas = new MyCanvas(this, wxPoint(0, 0), GetClientSize()); + // 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); + Close(true); } - bool MyChild::OnSave(wxString filename) { - wxSVGFileDC svgDC (filename, 600, 650) ; + wxSVGFileDC svgDC (filename, 600, 650); m_canvas->OnDraw (svgDC); - return svgDC.Ok(); + return svgDC.IsOk(); } - - void MyChild::OnActivate(wxActivateEvent& event) { if ( event.GetActive() && m_canvas ) m_canvas->SetFocus(); } - -void MyChild::OnClose(wxCloseEvent& event) -{ - event.Skip(); -}