-/*
- * File: printing.cc
- * Purpose: Printing demo for wxWindows class library
- * Author: Julian Smart
- * Created: 1995
- * Updated:
- * Copyright: (c) 1995, AIAI, University of Edinburgh
- */
-
-/* static const char sccsid[] = "%W% %G%"; */
+/////////////////////////////////////////////////////////////////////////////
+// Name: printing.cpp
+// Purpose: Printing demo for wxWindows
+// Author: Julian Smart
+// Modified by:
+// Created: 1995
+// RCS-ID: $Id$
+// Copyright: (c) Julian Smart
+// Licence: wxWindows licence
+/////////////////////////////////////////////////////////////////////////////
#ifdef __GNUG__
#pragma implementation
#endif
#if !wxUSE_PRINTING_ARCHITECTURE
-#error You must set wxUSE_PRINTING_ARCHITECTURE to 1 in wx_setup.h to compile this demo.
+#error You must set wxUSE_PRINTING_ARCHITECTURE to 1 in setup.h to compile this demo.
#endif
// Set this to 1 if you want to test PostScript printing under MSW.
// Declare a frame
MyFrame *frame = (MyFrame *) NULL;
-int orientation = wxPORTRAIT;
+// int orientation = wxPORTRAIT;
+
+// Global print data, to remember settings during the session
+wxPrintData *g_printData = (wxPrintData*) NULL ;
+
+// Global page setup data
+wxPageSetupData* g_pageSetupData = (wxPageSetupData*) NULL;
// Main proc
IMPLEMENT_APP(MyApp)
// main frame
bool MyApp::OnInit(void)
{
- m_testFont = new wxFont(10, wxSWISS, wxNORMAL, wxNORMAL);
-
- // Create the main frame window
- frame = new MyFrame((wxFrame *) NULL, (char *) "wxWindows Printing Demo", wxPoint(0, 0), wxSize(400, 400));
-
- // Give it a status line
- frame->CreateStatusBar(2);
-
- // Load icon and bitmap
- frame->SetIcon( wxICON( mondrian) );
-
- // Make a menubar
- wxMenu *file_menu = new wxMenu;
+ m_testFont = new wxFont(10, wxSWISS, wxNORMAL, wxNORMAL);
+
+ g_printData = new wxPrintData;
+ g_pageSetupData = new wxPageSetupDialogData;
- file_menu->Append(WXPRINT_PRINT, "&Print...", "Print");
- file_menu->Append(WXPRINT_PRINT_SETUP, "Print &Setup...", "Setup printer properties");
- file_menu->Append(WXPRINT_PAGE_SETUP, "Page Set&up...", "Page setup");
- file_menu->Append(WXPRINT_PREVIEW, "Print Pre&view", "Preview");
+ // Compatibility with old system. In fact, we might keep wxThePrintSetupData
+ // just for useful default values which we can optionally assign to our
+ // own print data object.
+#if defined(__WXGTK__) || defined(__WXMOTIF__)
+ (*g_printData) = * wxThePrintSetupData;
+#endif
+
+ // Create the main frame window
+ frame = new MyFrame((wxFrame *) NULL, (char *) "wxWindows Printing Demo", wxPoint(0, 0), wxSize(400, 400));
+
+ // Give it a status line
+ frame->CreateStatusBar(2);
+
+ // Load icon and bitmap
+ frame->SetIcon( wxICON( mondrian) );
+
+ // Make a menubar
+ wxMenu *file_menu = new wxMenu;
+
+ file_menu->Append(WXPRINT_PRINT, "&Print...", "Print");
+ file_menu->Append(WXPRINT_PRINT_SETUP, "Print &Setup...", "Setup printer properties");
+ file_menu->Append(WXPRINT_PAGE_SETUP, "Page Set&up...", "Page setup");
+ file_menu->Append(WXPRINT_PREVIEW, "Print Pre&view", "Preview");
+
+#if wxUSE_ACCEL
// Accelerators
wxAcceleratorEntry entries[1];
entries[0].Set(wxACCEL_CTRL, (int) 'V', WXPRINT_PREVIEW);
wxAcceleratorTable accel(1, entries);
frame->SetAcceleratorTable(accel);
-
-#if defined(__WXMSW__) && wxTEST_POSTSCRIPT_IN_MSW
- file_menu->AppendSeparator();
- file_menu->Append(WXPRINT_PRINT_PS, "Print PostScript...", "Print (PostScript)");
- file_menu->Append(WXPRINT_PRINT_SETUP_PS, "Print Setup PostScript...", "Setup printer properties (PostScript)");
- file_menu->Append(WXPRINT_PAGE_SETUP_PS, "Page Setup PostScript...", "Page setup (PostScript)");
- file_menu->Append(WXPRINT_PREVIEW_PS, "Print Preview PostScript", "Preview (PostScript)");
#endif
- file_menu->AppendSeparator();
- file_menu->Append(WXPRINT_QUIT, "E&xit", "Exit program");
-
- wxMenu *help_menu = new wxMenu;
- help_menu->Append(WXPRINT_ABOUT, "&About", "About this demo");
-
- wxMenuBar *menu_bar = new wxMenuBar;
-
- menu_bar->Append(file_menu, "&File");
- menu_bar->Append(help_menu, "&Help");
- // Associate the menu bar with the frame
- frame->SetMenuBar(menu_bar);
-
- MyCanvas *canvas = new MyCanvas(frame, wxPoint(0, 0), wxSize(100, 100), wxRETAINED|wxHSCROLL|wxVSCROLL);
-
- // Give it scrollbars: the virtual canvas is 20 * 50 = 1000 pixels in each direction
- canvas->SetScrollbars(20, 20, 50, 50);
-
- frame->canvas = canvas;
-
- frame->Centre(wxBOTH);
- frame->Show(TRUE);
-
- frame->SetStatusText("Printing demo");
-
- SetTopWindow(frame);
+#if defined(__WXMSW__) && wxTEST_POSTSCRIPT_IN_MSW
+ file_menu->AppendSeparator();
+ file_menu->Append(WXPRINT_PRINT_PS, "Print PostScript...", "Print (PostScript)");
+ file_menu->Append(WXPRINT_PRINT_SETUP_PS, "Print Setup PostScript...", "Setup printer properties (PostScript)");
+ file_menu->Append(WXPRINT_PAGE_SETUP_PS, "Page Setup PostScript...", "Page setup (PostScript)");
+ file_menu->Append(WXPRINT_PREVIEW_PS, "Print Preview PostScript", "Preview (PostScript)");
+#endif
+ file_menu->AppendSeparator();
+ file_menu->Append(WXPRINT_QUIT, "E&xit", "Exit program");
+
+ wxMenu *help_menu = new wxMenu;
+ help_menu->Append(WXPRINT_ABOUT, "&About", "About this demo");
+
+ wxMenuBar *menu_bar = new wxMenuBar;
+
+ menu_bar->Append(file_menu, "&File");
+ menu_bar->Append(help_menu, "&Help");
+
+ // Associate the menu bar with the frame
+ frame->SetMenuBar(menu_bar);
+
+ MyCanvas *canvas = new MyCanvas(frame, wxPoint(0, 0), wxSize(100, 100), wxRETAINED|wxHSCROLL|wxVSCROLL);
+
+ // Give it scrollbars: the virtual canvas is 20 * 50 = 1000 pixels in each direction
+ canvas->SetScrollbars(20, 20, 50, 50);
+
+ frame->canvas = canvas;
+
+ frame->Centre(wxBOTH);
+ frame->Show(TRUE);
+
+ frame->SetStatusText("Printing demo");
+
+ SetTopWindow(frame);
+
+ return TRUE;
+}
- return TRUE;
+int MyApp::OnExit()
+{
+ delete wxGetApp().m_testFont;
+ delete g_printData;
+ delete g_pageSetupData;
+ return 1;
}
BEGIN_EVENT_TABLE(MyFrame, wxFrame)
- EVT_MENU(WXPRINT_QUIT, MyFrame::OnExit)
- EVT_MENU(WXPRINT_PRINT, MyFrame::OnPrint)
- EVT_MENU(WXPRINT_PREVIEW, MyFrame::OnPrintPreview)
- EVT_MENU(WXPRINT_PRINT_SETUP, MyFrame::OnPrintSetup)
- EVT_MENU(WXPRINT_PAGE_SETUP, MyFrame::OnPageSetup)
- EVT_MENU(WXPRINT_ABOUT, MyFrame::OnPrintAbout)
+EVT_MENU(WXPRINT_QUIT, MyFrame::OnExit)
+EVT_MENU(WXPRINT_PRINT, MyFrame::OnPrint)
+EVT_MENU(WXPRINT_PREVIEW, MyFrame::OnPrintPreview)
+EVT_MENU(WXPRINT_PRINT_SETUP, MyFrame::OnPrintSetup)
+EVT_MENU(WXPRINT_PAGE_SETUP, MyFrame::OnPageSetup)
+EVT_MENU(WXPRINT_ABOUT, MyFrame::OnPrintAbout)
#if defined(__WXMSW__) && wxTEST_POSTSCRIPT_IN_MSW
- EVT_MENU(WXPRINT_PRINT_PS, MyFrame::OnPrintPS)
- EVT_MENU(WXPRINT_PREVIEW_PS, MyFrame::OnPrintPreviewPS)
- EVT_MENU(WXPRINT_PRINT_SETUP_PS, MyFrame::OnPrintSetupPS)
- EVT_MENU(WXPRINT_PAGE_SETUP_PS, MyFrame::OnPageSetupPS)
+EVT_MENU(WXPRINT_PRINT_PS, MyFrame::OnPrintPS)
+EVT_MENU(WXPRINT_PREVIEW_PS, MyFrame::OnPrintPreviewPS)
+EVT_MENU(WXPRINT_PRINT_SETUP_PS, MyFrame::OnPrintSetupPS)
+EVT_MENU(WXPRINT_PAGE_SETUP_PS, MyFrame::OnPageSetupPS)
#endif
END_EVENT_TABLE()
// Define my frame constructor
MyFrame::MyFrame(wxFrame *frame, const wxString& title, const wxPoint& pos, const wxSize& size):
- wxFrame(frame, -1, title, pos, size)
+wxFrame(frame, -1, title, pos, size)
{
- canvas = (MyCanvas *) NULL;
+ canvas = (MyCanvas *) NULL;
}
void MyFrame::OnExit(wxCommandEvent& WXUNUSED(event))
{
- Close(TRUE);
+ Close(TRUE);
}
void MyFrame::OnPrint(wxCommandEvent& WXUNUSED(event))
{
- wxPrinter printer;
- MyPrintout printout("My printout");
- if (!printer.Print(this, &printout, TRUE))
+ wxPrintDialogData printDialogData(* g_printData);
+
+ wxPrinter printer(& printDialogData);
+ MyPrintout printout("My printout");
+ if (!printer.Print(this, &printout, TRUE))
wxMessageBox("There was a problem printing.\nPerhaps your current printer is not set correctly?", "Printing", wxOK);
+ else
+ {
+ (*g_printData) = printer.GetPrintDialogData().GetPrintData();
+ }
}
void MyFrame::OnPrintPreview(wxCommandEvent& WXUNUSED(event))
{
- wxPrintData printData;
- printData.SetOrientation(orientation);
-
- // Pass two printout objects: for preview, and possible printing.
- wxPrintPreview *preview = new wxPrintPreview(new MyPrintout, new MyPrintout, & printData);
- if (!preview->Ok())
- {
+ // Pass two printout objects: for preview, and possible printing.
+ wxPrintDialogData printDialogData(* g_printData);
+ wxPrintPreview *preview = new wxPrintPreview(new MyPrintout, new MyPrintout, & printDialogData);
+ if (!preview->Ok())
+ {
delete preview;
wxMessageBox("There was a problem previewing.\nPerhaps your current printer is not set correctly?", "Previewing", wxOK);
return;
- }
-
- wxPreviewFrame *frame = new wxPreviewFrame(preview, this, "Demo Print Preview", wxPoint(100, 100), wxSize(600, 650));
- frame->Centre(wxBOTH);
- frame->Initialize();
- frame->Show(TRUE);
+ }
+
+ wxPreviewFrame *frame = new wxPreviewFrame(preview, this, "Demo Print Preview", wxPoint(100, 100), wxSize(600, 650));
+ frame->Centre(wxBOTH);
+ frame->Initialize();
+ frame->Show(TRUE);
}
void MyFrame::OnPrintSetup(wxCommandEvent& WXUNUSED(event))
{
- wxPrintData data;
- data.SetOrientation(orientation);
-
- wxPrintDialog printerDialog(this, & data);
-
- printerDialog.GetPrintData().SetSetupDialog(TRUE);
- printerDialog.ShowModal();
+ wxPrintDialogData printDialogData(* g_printData);
+ wxPrintDialog printerDialog(this, & printDialogData);
+
+ printerDialog.GetPrintDialogData().SetSetupDialog(TRUE);
+ printerDialog.ShowModal();
- orientation = printerDialog.GetPrintData().GetOrientation();
+ (*g_printData) = printerDialog.GetPrintDialogData().GetPrintData();
}
void MyFrame::OnPageSetup(wxCommandEvent& WXUNUSED(event))
{
- wxPageSetupData data;
- data.SetOrientation(orientation);
+ (*g_pageSetupData) = * g_printData;
- wxPageSetupDialog pageSetupDialog(this, & data);
- pageSetupDialog.ShowModal();
-
- data = pageSetupDialog.GetPageSetupData();
- orientation = data.GetOrientation();
+ wxPageSetupDialog pageSetupDialog(this, g_pageSetupData);
+ pageSetupDialog.ShowModal();
+
+ (*g_printData) = pageSetupDialog.GetPageSetupData().GetPrintData();
+ (*g_pageSetupData) = pageSetupDialog.GetPageSetupData();
}
#if defined(__WXMSW__) && wxTEST_POSTSCRIPT_IN_MSW
void MyFrame::OnPrintPS(wxCommandEvent& WXUNUSED(event))
{
- wxPostScriptPrinter printer;
- MyPrintout printout("My printout");
- printer.Print(this, &printout, TRUE);
+ wxPostScriptPrinter printer(g_printData);
+ MyPrintout printout("My printout");
+ printer.Print(this, &printout, TRUE);
+
+ (*g_printData) = printer.GetPrintData();
}
void MyFrame::OnPrintPreviewPS(wxCommandEvent& WXUNUSED(event))
{
- wxPrintData printData;
- printData.SetOrientation(orientation);
-
- // Pass two printout objects: for preview, and possible printing.
- wxPrintPreview *preview = new wxPrintPreview(new MyPrintout, new MyPrintout, & printData);
- wxPreviewFrame *frame = new wxPreviewFrame(preview, this, "Demo Print Preview", wxPoint(100, 100), wxSize(600, 650));
- frame->Centre(wxBOTH);
- frame->Initialize();
- frame->Show(TRUE);
+ // Pass two printout objects: for preview, and possible printing.
+ wxPrintDialogData printDialogData(* g_printData);
+ wxPrintPreview *preview = new wxPrintPreview(new MyPrintout, new MyPrintout, & printDialogData);
+ wxPreviewFrame *frame = new wxPreviewFrame(preview, this, "Demo Print Preview", wxPoint(100, 100), wxSize(600, 650));
+ frame->Centre(wxBOTH);
+ frame->Initialize();
+ frame->Show(TRUE);
}
void MyFrame::OnPrintSetupPS(wxCommandEvent& WXUNUSED(event))
{
- wxPrintData data;
- data.SetOrientation(orientation);
+ wxPrintDialogData printDialogData(* g_printData);
+ wxGenericPrintDialog printerDialog(this, & printDialogData);
- wxGenericPrintDialog printerDialog(this, & data);
- printerDialog.GetPrintData().SetSetupDialog(TRUE);
- printerDialog.ShowModal();
+ printerDialog.GetPrintDialogData().SetSetupDialog(TRUE);
+ printerDialog.ShowModal();
- orientation = printerDialog.GetPrintData().GetOrientation();
+ (*g_printData) = printerDialog.GetPrintDialogData().GetPrintData();
}
void MyFrame::OnPageSetupPS(wxCommandEvent& WXUNUSED(event))
{
- wxPageSetupData data;
- data.SetOrientation(orientation);
+ (*g_pageSetupData) = * g_printData;
- wxGenericPageSetupDialog pageSetupDialog(this, & data);
- pageSetupDialog.ShowModal();
+ wxGenericPageSetupDialog pageSetupDialog(this, g_pageSetupData);
+ pageSetupDialog.ShowModal();
- orientation = pageSetupDialog.GetPageSetupData().GetOrientation();
+ (*g_printData) = pageSetupDialog.GetPageSetupData().GetPrintData();
+ (*g_pageSetupData) = pageSetupDialog.GetPageSetupData();
}
#endif
void MyFrame::OnPrintAbout(wxCommandEvent& WXUNUSED(event))
{
- (void)wxMessageBox("wxWindows printing demo\nAuthor: Julian Smart julian.smart@ukonline.co.uk",
- "About wxWindows printing demo", wxOK|wxCENTRE);
+ (void)wxMessageBox("wxWindows printing demo\nAuthor: Julian Smart julian.smart@ukonline.co.uk",
+ "About wxWindows printing demo", wxOK|wxCENTRE);
}
void MyFrame::Draw(wxDC& dc)
{
- dc.SetFont(* wxGetApp().m_testFont);
-
- dc.SetBackgroundMode(wxTRANSPARENT);
-
- dc.SetBrush(* wxCYAN_BRUSH);
- dc.SetPen(* wxRED_PEN);
-
- dc.DrawRectangle(0, 30, 200, 100);
- dc.DrawText("Rectangle 200 by 100", 40, 40);
-
- dc.DrawEllipse(50, 140, 100, 50);
-
- dc.DrawText("Test message: this is in 10 point text", 10, 180);
-
- dc.SetPen(* wxBLACK_PEN);
- dc.DrawLine(0, 0, 200, 200);
- dc.DrawLine(200, 0, 0, 200);
-
- wxIcon my_icon = wxICON(mondrian) ;
-
- dc.DrawIcon( my_icon, 100, 100);
+ dc.SetBackground(*wxWHITE_BRUSH);
+ dc.Clear();
+ dc.SetFont(* wxGetApp().m_testFont);
+
+ dc.SetBackgroundMode(wxTRANSPARENT);
+
+ dc.SetBrush(* wxCYAN_BRUSH);
+ dc.SetPen(* wxRED_PEN);
+
+ dc.DrawRectangle(0, 30, 200, 100);
+ dc.DrawText("Rectangle 200 by 100", 40, 40);
+
+ dc.DrawEllipse(50, 140, 100, 50);
+
+ dc.DrawText("Test message: this is in 10 point text", 10, 180);
+
+ dc.SetPen(* wxBLACK_PEN);
+ dc.DrawLine(0, 0, 200, 200);
+ dc.DrawLine(200, 0, 0, 200);
+
+ wxIcon my_icon = wxICON(mondrian) ;
+
+ dc.DrawIcon( my_icon, 100, 100);
}
void MyFrame::OnSize(wxSizeEvent& event )
}
BEGIN_EVENT_TABLE(MyCanvas, wxScrolledWindow)
- EVT_MOUSE_EVENTS(MyCanvas::OnEvent)
+EVT_MOUSE_EVENTS(MyCanvas::OnEvent)
END_EVENT_TABLE()
// Define a constructor for my canvas
MyCanvas::MyCanvas(wxFrame *frame, const wxPoint& pos, const wxSize& size, long style):
- wxScrolledWindow(frame, -1, pos, size, style)
+ wxScrolledWindow(frame, -1, pos, size, style)
{
+ SetBackgroundColour(* wxWHITE);
}
MyCanvas::~MyCanvas(void)
// Define the repainting behaviour
void MyCanvas::OnDraw(wxDC& dc)
{
- frame->Draw(dc);
+ frame->Draw(dc);
}
void MyCanvas::OnEvent(wxMouseEvent& WXUNUSED(event))
{
}
-bool MyFrame::OnClose(void)
-{
- Show(FALSE);
- delete wxGetApp().m_testFont;
-
- return TRUE;
-}
-
bool MyPrintout::OnPrintPage(int page)
{
- wxDC *dc = GetDC();
- if (dc)
- {
- if (page == 1)
- DrawPageOne(dc);
- else if (page == 2)
- DrawPageTwo(dc);
-
- dc->SetDeviceOrigin(0, 0);
- dc->SetUserScale(1.0, 1.0);
-
- char buf[200];
- sprintf(buf, "PAGE %d", page);
- dc->DrawText(buf, 10, 10);
-
- return TRUE;
- }
- else
- return FALSE;
+ wxDC *dc = GetDC();
+ if (dc)
+ {
+ if (page == 1)
+ DrawPageOne(dc);
+ else if (page == 2)
+ DrawPageTwo(dc);
+
+ dc->SetDeviceOrigin(0, 0);
+ dc->SetUserScale(1.0, 1.0);
+
+ char buf[200];
+ sprintf(buf, "PAGE %d", page);
+ dc->DrawText(buf, 10, 10);
+
+ return TRUE;
+ }
+ else
+ return FALSE;
}
bool MyPrintout::OnBeginDocument(int startPage, int endPage)
{
- if (!wxPrintout::OnBeginDocument(startPage, endPage))
- return FALSE;
-
- return TRUE;
+ if (!wxPrintout::OnBeginDocument(startPage, endPage))
+ return FALSE;
+
+ return TRUE;
}
void MyPrintout::GetPageInfo(int *minPage, int *maxPage, int *selPageFrom, int *selPageTo)
{
- *minPage = 1;
- *maxPage = 2;
- *selPageFrom = 1;
- *selPageTo = 2;
+ *minPage = 1;
+ *maxPage = 2;
+ *selPageFrom = 1;
+ *selPageTo = 2;
}
bool MyPrintout::HasPage(int pageNum)
{
- return (pageNum == 1 || pageNum == 2);
+ return (pageNum == 1 || pageNum == 2);
}
void MyPrintout::DrawPageOne(wxDC *dc)
{
/* You might use THIS code if you were scaling
- * graphics of known size to fit on the page.
- */
- int w, h;
-
- // We know the graphic is 200x200. If we didn't know this,
- // we'd need to calculate it.
- float maxX = 200;
- float maxY = 200;
-
- // Let's have at least 50 device units margin
- float marginX = 50;
- float marginY = 50;
-
- // Add the margin to the graphic size
- maxX += (2*marginX);
- maxY += (2*marginY);
-
- // Get the size of the DC in pixels
- dc->GetSize(&w, &h);
-
- // Calculate a suitable scaling factor
- float scaleX=(float)(w/maxX);
- float scaleY=(float)(h/maxY);
-
- // Use x or y scaling factor, whichever fits on the DC
- float actualScale = wxMin(scaleX,scaleY);
-
- // Calculate the position on the DC for centring the graphic
- float posX = (float)((w - (200*actualScale))/2.0);
- float posY = (float)((h - (200*actualScale))/2.0);
-
- // Set the scale and origin
- dc->SetUserScale(actualScale, actualScale);
- dc->SetDeviceOrigin( (long)posX, (long)posY );
-
- frame->Draw(*dc);
+* graphics of known size to fit on the page.
+ */
+ int w, h;
+
+ // We know the graphic is 200x200. If we didn't know this,
+ // we'd need to calculate it.
+ float maxX = 200;
+ float maxY = 200;
+
+ // Let's have at least 50 device units margin
+ float marginX = 50;
+ float marginY = 50;
+
+ // Add the margin to the graphic size
+ maxX += (2*marginX);
+ maxY += (2*marginY);
+
+ // Get the size of the DC in pixels
+ dc->GetSize(&w, &h);
+
+ // Calculate a suitable scaling factor
+ float scaleX=(float)(w/maxX);
+ float scaleY=(float)(h/maxY);
+
+ // Use x or y scaling factor, whichever fits on the DC
+ float actualScale = wxMin(scaleX,scaleY);
+
+ // Calculate the position on the DC for centring the graphic
+ float posX = (float)((w - (200*actualScale))/2.0);
+ float posY = (float)((h - (200*actualScale))/2.0);
+
+ // Set the scale and origin
+ dc->SetUserScale(actualScale, actualScale);
+ dc->SetDeviceOrigin( (long)posX, (long)posY );
+
+ frame->Draw(*dc);
}
void MyPrintout::DrawPageTwo(wxDC *dc)
{
/* You might use THIS code to set the printer DC to ROUGHLY reflect
- * the screen text size. This page also draws lines of actual length 5cm
- * on the page.
- */
- // Get the logical pixels per inch of screen and printer
- int ppiScreenX, ppiScreenY;
- GetPPIScreen(&ppiScreenX, &ppiScreenY);
- int ppiPrinterX, ppiPrinterY;
- GetPPIPrinter(&ppiPrinterX, &ppiPrinterY);
-
- // This scales the DC so that the printout roughly represents the
- // the screen scaling. The text point size _should_ be the right size
- // but in fact is too small for some reason. This is a detail that will
- // need to be addressed at some point but can be fudged for the
- // moment.
- float scale = (float)((float)ppiPrinterX/(float)ppiScreenX);
-
- // Now we have to check in case our real page size is reduced
- // (e.g. because we're drawing to a print preview memory DC)
- int pageWidth, pageHeight;
- int w, h;
- dc->GetSize(&w, &h);
- GetPageSizePixels(&pageWidth, &pageHeight);
-
- // If printer pageWidth == current DC width, then this doesn't
- // change. But w might be the preview bitmap width, so scale down.
- float overallScale = scale * (float)(w/(float)pageWidth);
- dc->SetUserScale(overallScale, overallScale);
-
- // Calculate conversion factor for converting millimetres into
- // logical units.
- // There are approx. 25.1 mm to the inch. There are ppi
- // device units to the inch. Therefore 1 mm corresponds to
- // ppi/25.1 device units. We also divide by the
- // screen-to-printer scaling factor, because we need to
- // unscale to pass logical units to DrawLine.
-
- // Draw 50 mm by 50 mm L shape
- float logUnitsFactor = (float)(ppiPrinterX/(scale*25.1));
- float logUnits = (float)(50*logUnitsFactor);
- dc->SetPen(* wxBLACK_PEN);
- dc->DrawLine(50, 250, (long)(50.0 + logUnits), 250);
- dc->DrawLine(50, 250, 50, (long)(250.0 + logUnits));
-
- dc->SetFont(* wxGetApp().m_testFont);
- dc->SetBackgroundMode(wxTRANSPARENT);
-
- dc->DrawText("Some test text", 200, 200 );
-
- // TESTING
-
- int leftMargin = 20;
- int rightMargin = 20;
- int topMargin = 20;
- int bottomMargin = 20;
-
- int pageWidthMM, pageHeightMM;
- GetPageSizeMM(&pageWidthMM, &pageHeightMM);
-
- float leftMarginLogical = (float)(logUnitsFactor*leftMargin);
- float topMarginLogical = (float)(logUnitsFactor*topMargin);
- float bottomMarginLogical = (float)(logUnitsFactor*(pageHeightMM - bottomMargin));
- float rightMarginLogical = (float)(logUnitsFactor*(pageWidthMM - rightMargin));
-
- dc->SetPen(* wxRED_PEN);
- dc->DrawLine( (long)leftMarginLogical, (long)topMarginLogical,
- (long)rightMarginLogical, (long)topMarginLogical);
- dc->DrawLine( (long)leftMarginLogical, (long)bottomMarginLogical,
- (long)rightMarginLogical, (long)bottomMarginLogical);
-
- WritePageHeader(this, dc, "A header", logUnitsFactor);
+* the screen text size. This page also draws lines of actual length 5cm
+* on the page.
+ */
+ // Get the logical pixels per inch of screen and printer
+ int ppiScreenX, ppiScreenY;
+ GetPPIScreen(&ppiScreenX, &ppiScreenY);
+ int ppiPrinterX, ppiPrinterY;
+ GetPPIPrinter(&ppiPrinterX, &ppiPrinterY);
+
+ // This scales the DC so that the printout roughly represents the
+ // the screen scaling. The text point size _should_ be the right size
+ // but in fact is too small for some reason. This is a detail that will
+ // need to be addressed at some point but can be fudged for the
+ // moment.
+ float scale = (float)((float)ppiPrinterX/(float)ppiScreenX);
+
+ // Now we have to check in case our real page size is reduced
+ // (e.g. because we're drawing to a print preview memory DC)
+ int pageWidth, pageHeight;
+ int w, h;
+ dc->GetSize(&w, &h);
+ GetPageSizePixels(&pageWidth, &pageHeight);
+
+ // If printer pageWidth == current DC width, then this doesn't
+ // change. But w might be the preview bitmap width, so scale down.
+ float overallScale = scale * (float)(w/(float)pageWidth);
+ dc->SetUserScale(overallScale, overallScale);
+
+ // Calculate conversion factor for converting millimetres into
+ // logical units.
+ // There are approx. 25.1 mm to the inch. There are ppi
+ // device units to the inch. Therefore 1 mm corresponds to
+ // ppi/25.1 device units. We also divide by the
+ // screen-to-printer scaling factor, because we need to
+ // unscale to pass logical units to DrawLine.
+
+ // Draw 50 mm by 50 mm L shape
+ float logUnitsFactor = (float)(ppiPrinterX/(scale*25.1));
+ float logUnits = (float)(50*logUnitsFactor);
+ dc->SetPen(* wxBLACK_PEN);
+ dc->DrawLine(50, 250, (long)(50.0 + logUnits), 250);
+ dc->DrawLine(50, 250, 50, (long)(250.0 + logUnits));
+
+ dc->SetFont(* wxGetApp().m_testFont);
+ dc->SetBackgroundMode(wxTRANSPARENT);
+
+ dc->DrawText("Some test text", 200, 200 );
+
+ { // GetTextExtent demo:
+ wxString words[7] = {"This ", "is ", "GetTextExtent ", "testing ", "string. ", "Enjoy ", "it!"};
+ long w, h;
+ long x = 200, y= 250;
+ wxFont fnt(15, wxSWISS, wxNORMAL, wxNORMAL);
+
+ dc->SetFont(fnt);
+ for (int i = 0; i < 7; i++) {
+ dc->GetTextExtent(words[i], &w, &h);
+ dc->DrawRectangle(x, y, w, h);
+ dc->DrawText(words[i], x, y);
+ x += w;
+ }
+ dc->SetFont(* wxGetApp().m_testFont);
+ }
+
+ // TESTING
+
+ int leftMargin = 20;
+ int rightMargin = 20;
+ int topMargin = 20;
+ int bottomMargin = 20;
+
+ int pageWidthMM, pageHeightMM;
+ GetPageSizeMM(&pageWidthMM, &pageHeightMM);
+
+ float leftMarginLogical = (float)(logUnitsFactor*leftMargin);
+ float topMarginLogical = (float)(logUnitsFactor*topMargin);
+ float bottomMarginLogical = (float)(logUnitsFactor*(pageHeightMM - bottomMargin));
+ float rightMarginLogical = (float)(logUnitsFactor*(pageWidthMM - rightMargin));
+
+ dc->SetPen(* wxRED_PEN);
+ dc->DrawLine( (long)leftMarginLogical, (long)topMarginLogical,
+ (long)rightMarginLogical, (long)topMarginLogical);
+ dc->DrawLine( (long)leftMarginLogical, (long)bottomMarginLogical,
+ (long)rightMarginLogical, (long)bottomMarginLogical);
+
+ WritePageHeader(this, dc, "A header", logUnitsFactor);
}
// Writes a header on a page. Margin units are in millimetres.
bool WritePageHeader(wxPrintout *printout, wxDC *dc, char *text, float mmToLogical)
{
/*
- static wxFont *headerFont = (wxFont *) NULL;
- if (!headerFont)
- {
- headerFont = wxTheFontList->FindOrCreateFont(16, wxSWISS, wxNORMAL, wxBOLD);
- }
- dc->SetFont(headerFont);
-*/
-
- int pageWidthMM, pageHeightMM;
-
- printout->GetPageSizeMM(&pageWidthMM, &pageHeightMM);
-
- int leftMargin = 10;
- int topMargin = 10;
- int rightMargin = 10;
-
- float leftMarginLogical = (float)(mmToLogical*leftMargin);
- float topMarginLogical = (float)(mmToLogical*topMargin);
- float rightMarginLogical = (float)(mmToLogical*(pageWidthMM - rightMargin));
-
- long xExtent, yExtent;
- dc->GetTextExtent(text, &xExtent, &yExtent);
- float xPos = (float)(((((pageWidthMM - leftMargin - rightMargin)/2.0)+leftMargin)*mmToLogical) - (xExtent/2.0));
- dc->DrawText(text, (long)xPos, (long)topMarginLogical);
-
- dc->SetPen(* wxBLACK_PEN);
- dc->DrawLine( (long)leftMarginLogical, (long)(topMarginLogical+yExtent),
- (long)rightMarginLogical, (long)topMarginLogical+yExtent );
-
- return TRUE;
+static wxFont *headerFont = (wxFont *) NULL;
+if (!headerFont)
+{
+headerFont = wxTheFontList->FindOrCreateFont(16, wxSWISS, wxNORMAL, wxBOLD);
+}
+dc->SetFont(headerFont);
+ */
+
+ int pageWidthMM, pageHeightMM;
+
+ printout->GetPageSizeMM(&pageWidthMM, &pageHeightMM);
+
+ int leftMargin = 10;
+ int topMargin = 10;
+ int rightMargin = 10;
+
+ float leftMarginLogical = (float)(mmToLogical*leftMargin);
+ float topMarginLogical = (float)(mmToLogical*topMargin);
+ float rightMarginLogical = (float)(mmToLogical*(pageWidthMM - rightMargin));
+
+ long xExtent, yExtent;
+ dc->GetTextExtent(text, &xExtent, &yExtent);
+ float xPos = (float)(((((pageWidthMM - leftMargin - rightMargin)/2.0)+leftMargin)*mmToLogical) - (xExtent/2.0));
+ dc->DrawText(text, (long)xPos, (long)topMarginLogical);
+
+ dc->SetPen(* wxBLACK_PEN);
+ dc->DrawLine( (long)leftMarginLogical, (long)(topMarginLogical+yExtent),
+ (long)rightMarginLogical, (long)topMarginLogical+yExtent );
+
+ return TRUE;
}
projects / wxWidgets.git / blobdiff