/////////////////////////////////////////////////////////////////////////////
-// Name: printing.cpp
+// Name: samples/printing.cpp
// Purpose: Printing demo for wxWidgets
// Author: Julian Smart
// Modified by:
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
-#ifdef __GNUG__
-#pragma implementation
-#endif
-
// For compilers that support precompilation, includes "wx/wx.h".
#include "wx/wxprec.h"
#include "wx/generic/prntdlgg.h"
#endif
+#ifdef __WXMAC__
+#include "wx/mac/printdlg.h"
+#endif
+
#include "printing.h"
#ifndef __WXMSW__
wxPrintData *g_printData = (wxPrintData*) NULL ;
// Global page setup data
-wxPageSetupData* g_pageSetupData = (wxPageSetupData*) NULL;
+wxPageSetupDialogData* g_pageSetupData = (wxPageSetupDialogData*) NULL;
// Main proc
IMPLEMENT_APP(MyApp)
// Writes a header on a page. Margin units are in millimetres.
-bool WritePageHeader(wxPrintout *printout, wxDC *dc, wxChar *text, float mmToLogical);
+bool WritePageHeader(wxPrintout *printout, wxDC *dc, const wxChar *text, float mmToLogical);
// The `main program' equivalent, creating the windows and returning the
// main frame
bool MyApp::OnInit(void)
{
+ if ( !wxApp::OnInit() )
+ return false;
+
wxInitAllImageHandlers();
m_testFont.Create(10, wxSWISS, wxNORMAL, wxNORMAL);
g_printData = new wxPrintData;
+ // You could set an initial paper size here
+// g_printData->SetPaperId(wxPAPER_LETTER); // for Americans
+// g_printData->SetPaperId(wxPAPER_A4); // for everyone else
+
g_pageSetupData = new wxPageSetupDialogData;
+ // copy over initial paper size from print record
+ (*g_pageSetupData) = *g_printData;
+ // Set some initial page margins in mm.
+ g_pageSetupData->SetMarginTopLeft(wxPoint(15, 15));
+ g_pageSetupData->SetMarginBottomRight(wxPoint(15, 15));
// Create the main frame window
- frame = new MyFrame((wxFrame *) NULL, _T("wxWidgets Printing Demo"), wxPoint(0, 0), wxSize(400, 400));
+ frame = new MyFrame((wxFrame *) NULL, _T("wxWidgets Printing Demo"),
+ wxPoint(0, 0), wxSize(400, 400));
#if wxUSE_STATUSBAR
// Give it a status line
file_menu->Append(WXPRINT_PRINT, _T("&Print..."), _T("Print"));
file_menu->Append(WXPRINT_PAGE_SETUP, _T("Page Set&up..."), _T("Page setup"));
+#ifdef __WXMAC__
+ file_menu->Append(WXPRINT_PAGE_MARGINS, _T("Page Margins..."), _T("Page margins"));
+#endif
file_menu->Append(WXPRINT_PREVIEW, _T("Print Pre&view"), _T("Preview"));
#if wxUSE_ACCEL
file_menu->Append(WXPRINT_PAGE_SETUP_PS, _T("Page Setup PostScript..."), _T("Page setup (PostScript)"));
file_menu->Append(WXPRINT_PREVIEW_PS, _T("Print Preview PostScript"), _T("Preview (PostScript)"));
#endif
+
file_menu->AppendSeparator();
file_menu->Append(WXPRINT_ANGLEUP, _T("Angle up\tAlt-U"), _T("Raise rotated text angle"));
file_menu->Append(WXPRINT_ANGLEDOWN, _T("Angle down\tAlt-D"), _T("Lower rotated text angle"));
EVT_MENU(WXPRINT_PREVIEW_PS, MyFrame::OnPrintPreviewPS)
EVT_MENU(WXPRINT_PAGE_SETUP_PS, MyFrame::OnPageSetupPS)
#endif
+#ifdef __WXMAC__
+EVT_MENU(WXPRINT_PAGE_MARGINS, MyFrame::OnPageMargins)
+#endif
EVT_MENU(WXPRINT_ANGLEUP, MyFrame::OnAngleUp)
EVT_MENU(WXPRINT_ANGLEDOWN, MyFrame::OnAngleDown)
END_EVENT_TABLE()
wxPageSetupDialog pageSetupDialog(this, g_pageSetupData);
pageSetupDialog.ShowModal();
- (*g_printData) = pageSetupDialog.GetPageSetupData().GetPrintData();
- (*g_pageSetupData) = pageSetupDialog.GetPageSetupData();
+ (*g_printData) = pageSetupDialog.GetPageSetupDialogData().GetPrintData();
+ (*g_pageSetupData) = pageSetupDialog.GetPageSetupDialogData();
}
#if defined(__WXMSW__) && wxTEST_POSTSCRIPT_IN_MSW
wxGenericPageSetupDialog pageSetupDialog(this, g_pageSetupData);
pageSetupDialog.ShowModal();
- (*g_printData) = pageSetupDialog.GetPageSetupData().GetPrintData();
- (*g_pageSetupData) = pageSetupDialog.GetPageSetupData();
+ (*g_printData) = pageSetupDialog.GetPageSetupDialogData().GetPrintData();
+ (*g_pageSetupData) = pageSetupDialog.GetPageSetupDialogData();
+}
+#endif
+
+
+#ifdef __WXMAC__
+void MyFrame::OnPageMargins(wxCommandEvent& WXUNUSED(event))
+{
+ (*g_pageSetupData) = *g_printData;
+
+ wxMacPageMarginsDialog pageMarginsDialog(this, g_pageSetupData);
+ pageMarginsDialog.ShowModal();
+
+ (*g_printData) = pageMarginsDialog.GetPageSetupDialogData().GetPrintData();
+ (*g_pageSetupData) = pageMarginsDialog.GetPageSetupDialogData();
}
#endif
void MyFrame::Draw(wxDC& dc)
{
+ // This routine just draws a bunch of random stuff on the screen so that we
+ // can check that different types of object are being drawn consistently
+ // between the screen image, the print preview image (at various zoom
+ // levels), and the printed page.
dc.SetBackground(*wxWHITE_BRUSH);
dc.Clear();
dc.SetFont(wxGetApp().m_testFont);
dc.SetBackgroundMode(wxTRANSPARENT);
+ dc.SetPen(*wxBLACK_PEN);
+ dc.SetBrush(*wxLIGHT_GREY_BRUSH);
+ dc.DrawRectangle(0, 0, 230, 350);
+ dc.DrawLine(0, 0, 229, 349);
+ dc.DrawLine(229, 0, 0, 349);
+ dc.SetBrush(*wxTRANSPARENT_BRUSH);
+
dc.SetBrush(*wxCYAN_BRUSH);
dc.SetPen(*wxRED_PEN);
dc.DrawText( wxT("Test message: this is in 10 point text"), 10, 180);
-
#if wxUSE_UNICODE
char *test = "Hebrew שלום -- Japanese (日本語)";
wxString tmp = wxConvUTF8.cMB2WC( test );
str.Printf( wxT("---- Text at angle %d ----"), i );
dc.DrawRotatedText( str, 100, 300, i );
- 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);
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, wxID_ANY, pos, size, style)
{
SetBackgroundColour(* wxWHITE);
}
-// Define the repainting behaviour
void MyCanvas::OnDraw(wxDC& dc)
{
frame->Draw(dc);
if (dc)
{
if (page == 1)
- DrawPageOne(dc);
+ DrawPageOne();
else if (page == 2)
- DrawPageTwo(dc);
-
- dc->SetDeviceOrigin(0, 0);
- dc->SetUserScale(1.0, 1.0);
+ DrawPageTwo();
+ // Draw page numbers at top left corner of printable area, sized so that
+ // screen size of text matches paper size.
+ MapScreenSizeToPage();
wxChar buf[200];
wxSprintf(buf, wxT("PAGE %d"), page);
- dc->DrawText(buf, 10, 10);
+ dc->DrawText(buf, 0, 0);
return true;
}
return (pageNum == 1 || pageNum == 2);
}
-void MyPrintout::DrawPageOne(wxDC *dc)
+void MyPrintout::DrawPageOne()
{
- // You might use THIS code if you were scaling
- // graphics of known size to fit on the page.
-
- // 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
- int w, h;
- 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);
+ // You might use THIS code if you were scaling graphics of known size to fit
+ // on the page. The commented-out code illustrates different ways of scaling
+ // the graphics.
+
+ // We know the graphic is 230x350. If we didn't know this, we'd need to
+ // calculate it.
+ wxCoord maxX = 230;
+ wxCoord maxY = 350;
+
+ // This sets the user scale and origin of the DC so that the image fits
+ // within the paper rectangle (but the edges could be cut off by printers
+ // that can't print to the edges of the paper -- which is most of them. Use
+ // this if your image already has its own margins.
+// FitThisSizeToPaper(wxSize(maxX, maxY));
+// wxRect fitRect = GetLogicalPaperRect();
+
+ // This sets the user scale and origin of the DC so that the image fits
+ // within the page rectangle, which is the printable area on Mac and MSW
+ // and is the entire page on other platforms.
+// FitThisSizeToPage(wxSize(maxX, maxY));
+// wxRect fitRect = GetLogicalPageRect();
+
+ // This sets the user scale and origin of the DC so that the image fits
+ // within the page margins as specified by g_PageSetupData, which you can
+ // change (on some platforms, at least) in the Page Setup dialog. Note that
+ // on Mac, the native Page Setup dialog doesn't let you change the margins
+ // of a wxPageSetupDialogData object, so you'll have to write your own dialog or
+ // use the Mac-only wxMacPageMarginsDialog, as we do in this program.
+ FitThisSizeToPageMargins(wxSize(maxX, maxY), *g_pageSetupData);
+ wxRect fitRect = GetLogicalPageMarginsRect(*g_pageSetupData);
+
+ // This sets the user scale and origin of the DC so that the image appears
+ // on the paper at the same size that it appears on screen (i.e., 10-point
+ // type on screen is 10-point on the printed page) and is positioned in the
+ // top left corner of the page rectangle (just as the screen image appears
+ // in the top left corner of the window).
+// MapScreenSizeToPage();
+// wxRect fitRect = GetLogicalPageRect();
+
+ // You could also map the screen image to the entire paper at the same size
+ // as it appears on screen.
+// MapScreenSizeToPaper();
+// wxRect fitRect = GetLogicalPaperRect();
+
+ // You might also wish to do you own scaling in order to draw objects at
+ // full native device resolution. In this case, you should do the following.
+ // Note that you can use the GetLogicalXXXRect() commands to obtain the
+ // appropriate rect to scale to.
+// MapScreenSizeToDevice();
+// wxRect fitRect = GetLogicalPageRect();
+
+ // Each of the preceding Fit or Map routines positions the origin so that
+ // the drawn image is positioned at the top left corner of the reference
+ // rectangle. You can easily center or right- or bottom-justify the image as
+ // follows.
+
+ // This offsets the image so that it is centered within the reference
+ // rectangle defined above.
+ wxCoord xoff = (fitRect.width - maxX) / 2;
+ wxCoord yoff = (fitRect.height - maxY) / 2;
+ OffsetLogicalOrigin(xoff, yoff);
+
+ // This offsets the image so that it is positioned at the bottom right of
+ // the reference rectangle defined above.
+// wxCoord xoff = (fitRect.width - maxX);
+// wxCoord yoff = (fitRect.height - maxY);
+// OffsetLogicalOrigin(xoff, yoff);
+
+ frame->Draw(*GetDC());
}
-void MyPrintout::DrawPageTwo(wxDC *dc)
+void MyPrintout::DrawPageTwo()
{
// 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.
+ // Compare this to DrawPageOne(), which uses the really convenient routines
+ // from wxPrintout to fit the screen image onto the printed page. This page
+ // illustrates how to do all the scaling calculations yourself, if you're so
+ // inclined.
+
+ wxDC *dc = GetDC();
+
// 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.
+ // 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)
+ // 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.
+ // 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. 25.4 mm to the inch. There are ppi
- // device units to the inch. Therefore 1 mm corresponds to
- // ppi/25.4 device units. We also divide by the
- // screen-to-printer scaling factor, because we need to
+ // Calculate conversion factor for converting millimetres into logical
+ // units. There are approx. 25.4 mm to the inch. There are ppi device units
+ // to the inch. Therefore 1 mm corresponds to ppi/25.4 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
}
// Writes a header on a page. Margin units are in millimetres.
-bool WritePageHeader(wxPrintout *printout, wxDC *dc, wxChar *text, float mmToLogical)
+bool WritePageHeader(wxPrintout *printout, wxDC *dc, const wxChar *text, float mmToLogical)
{
/*
static wxFont *headerFont = (wxFont *) NULL;
projects / wxWidgets.git / blobdiff