X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/cac7ac30cb21a3108a3c1de58e7de15ad01ed1cf..59678f3fae7d537003fe1dbd0d0049694ec946c1:/samples/printing/printing.cpp diff --git a/samples/printing/printing.cpp b/samples/printing/printing.cpp index a2af01db75..e231e3bd52 100644 --- a/samples/printing/printing.cpp +++ b/samples/printing/printing.cpp @@ -1,5 +1,5 @@ ///////////////////////////////////////////////////////////////////////////// -// Name: printing.cpp +// Name: samples/printing.cpp // Purpose: Printing demo for wxWidgets // Author: Julian Smart // Modified by: @@ -9,10 +9,6 @@ // Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// -#ifdef __GNUG__ -#pragma implementation -#endif - // For compilers that support precompilation, includes "wx/wx.h". #include "wx/wxprec.h" @@ -44,12 +40,22 @@ #include "wx/generic/prntdlgg.h" #endif +#ifdef __WXMAC__ +#include "wx/mac/printdlg.h" +#endif + #include "printing.h" #ifndef __WXMSW__ #include "mondrian.xpm" #endif +#if wxUSE_LIBGNOMEPRINT +#include "wx/html/forcelnk.h" +FORCE_LINK(gnome_print) +#endif + + // Declare a frame MyFrame *frame = (MyFrame *) NULL; // int orientation = wxPORTRAIT; @@ -58,28 +64,41 @@ MyFrame *frame = (MyFrame *) NULL; 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 @@ -94,6 +113,9 @@ bool MyApp::OnInit(void) 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 @@ -110,6 +132,7 @@ bool MyApp::OnInit(void) 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")); @@ -164,6 +187,9 @@ EVT_MENU(WXPRINT_PRINT_PS, MyFrame::OnPrintPS) 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() @@ -234,8 +260,8 @@ void MyFrame::OnPageSetup(wxCommandEvent& WXUNUSED(event)) 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 @@ -266,8 +292,22 @@ void MyFrame::OnPageSetupPS(wxCommandEvent& WXUNUSED(event)) 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 @@ -278,13 +318,13 @@ void MyFrame::OnPrintAbout(wxCommandEvent& WXUNUSED(event)) _T("About wxWidgets printing demo"), wxOK|wxCENTRE); } -void MyFrame::OnAngleUp(wxCommandEvent& event) +void MyFrame::OnAngleUp(wxCommandEvent& WXUNUSED(event)) { m_angle += 5; canvas->Refresh(); } -void MyFrame::OnAngleDown(wxCommandEvent& event) +void MyFrame::OnAngleDown(wxCommandEvent& WXUNUSED(event)) { m_angle -= 5; canvas->Refresh(); @@ -292,18 +332,29 @@ void MyFrame::OnAngleDown(wxCommandEvent& event) 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.DrawRectangle(0, 30, 200, 100); + dc.DrawRoundedRectangle(0, 20, 200, 80, 20); - dc.DrawText( wxT("Rectangle 200 by 100"), 40, 40); + dc.DrawText( wxT("Rectangle 200 by 80"), 40, 40); dc.SetPen( wxPen(*wxBLACK,0,wxDOT_DASH) ); dc.DrawEllipse(50, 140, 100, 50); @@ -317,6 +368,34 @@ void MyFrame::Draw(wxDC& dc) dc.DrawText( tmp, 10, 200 ); #endif + wxPoint points[5]; + points[0].x = 0; + points[0].y = 0; + points[1].x = 20; + points[1].y = 0; + points[2].x = 20; + points[2].y = 20; + points[3].x = 10; + points[3].y = 20; + points[4].x = 10; + points[4].y = -20; + dc.DrawPolygon( 5, points, 20, 250, wxODDEVEN_RULE ); + dc.DrawPolygon( 5, points, 50, 250, wxWINDING_RULE ); + + dc.DrawEllipticArc( 80, 250, 60, 30, 0.0, 270.0 ); + + points[0].x = 150; + points[0].y = 250; + points[1].x = 180; + points[1].y = 250; + points[2].x = 180; + points[2].y = 220; + points[3].x = 200; + points[3].y = 220; + dc.DrawSpline( 4, points ); + + dc.DrawArc( 20,10, 10,10, 25,40 ); + wxString str; int i = 0; str.Printf( wxT("---- Text at angle %d ----"), i ); @@ -326,14 +405,10 @@ void MyFrame::Draw(wxDC& dc) 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); - + if (m_bitmap.Ok()) dc.DrawBitmap( m_bitmap, 10, 10 ); } @@ -347,14 +422,12 @@ BEGIN_EVENT_TABLE(MyCanvas, wxScrolledWindow) 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); @@ -370,16 +443,16 @@ bool MyPrintout::OnPrintPage(int page) 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; } @@ -408,98 +481,135 @@ bool MyPrintout::HasPage(int pageNum) 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. 25.1 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 + // 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 - float logUnitsFactor = (float)(ppiPrinterX/(scale*25.1)); + float logUnitsFactor = (float)(ppiPrinterX/(scale*25.4)); 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->SetBackgroundMode(wxTRANSPARENT); - + dc->SetBrush(*wxTRANSPARENT_BRUSH); { // GetTextExtent demo: wxString words[7] = {_T("This "), _T("is "), _T("GetTextExtent "), _T("testing "), _T("string. "), _T("Enjoy "), _T("it!")}; - long w, h; + wxCoord w, h; long x = 200, y= 250; wxFont fnt(15, wxSWISS, wxNORMAL, wxNORMAL); @@ -547,7 +657,7 @@ void MyPrintout::DrawPageTwo(wxDC *dc) } // 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; @@ -571,7 +681,7 @@ dc->SetFont(headerFont); float topMarginLogical = (float)(mmToLogical*topMargin); float rightMarginLogical = (float)(mmToLogical*(pageWidthMM - rightMargin)); - long xExtent, yExtent; + wxCoord 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);