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made font a non-pointer; code cleanup

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@27210 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Dimitri Schoolwerth
2004-05-11 19:44:06 +00:00
parent 1a6bba1e93
commit 9134af5b50
2 changed files with 96 additions and 95 deletions
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189
samples/printing/printing.cpp
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@@ -25,7 +25,7 @@
#endif
#if !wxUSE_PRINTING_ARCHITECTURE
#error You must set wxUSE_PRINTING_ARCHITECTURE to 1 in setup.h to compile this demo.
#error "You must set wxUSE_PRINTING_ARCHITECTURE to 1 in setup.h, and recompile the library."
#endif
// Set this to 1 if you want to test PostScript printing under MSW.
@@ -74,28 +74,28 @@ MyApp::MyApp()
// main frame
bool MyApp::OnInit(void)
{
m_testFont = new wxFont(10, wxSWISS, wxNORMAL, wxNORMAL);
m_testFont.Create(10, wxSWISS, wxNORMAL, wxNORMAL);
g_printData = new wxPrintData;
g_pageSetupData = new wxPageSetupDialogData;
// Create the main frame window
frame = new MyFrame((wxFrame *) NULL, _T("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, _T("&Print..."), _T("Print"));
file_menu->Append(WXPRINT_PRINT_SETUP, _T("Print &Setup..."), _T("Setup printer properties"));
file_menu->Append(WXPRINT_PAGE_SETUP, _T("Page Set&up..."), _T("Page setup"));
file_menu->Append(WXPRINT_PREVIEW, _T("Print Pre&view"), _T("Preview"));
#if wxUSE_ACCEL
// Accelerators
wxAcceleratorEntry entries[1];
@@ -113,38 +113,37 @@ bool MyApp::OnInit(void)
#endif
file_menu->AppendSeparator();
file_menu->Append(WXPRINT_QUIT, _T("E&xit"), _T("Exit program"));
wxMenu *help_menu = new wxMenu;
help_menu->Append(WXPRINT_ABOUT, _T("&About"), _T("About this demo"));
wxMenuBar *menu_bar = new wxMenuBar;
menu_bar->Append(file_menu, _T("&File"));
menu_bar->Append(help_menu, _T("&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->Show();
frame->SetStatusText(_T("Printing demo"));
SetTopWindow(frame);
return TRUE;
return true;
}
int MyApp::OnExit()
{
delete wxGetApp().m_testFont;
delete g_printData;
delete g_pageSetupData;
return 1;
@@ -167,14 +166,14 @@ 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, wxID_ANY, title, pos, size)
{
canvas = (MyCanvas *) NULL;
canvas = NULL;
}
void MyFrame::OnExit(wxCommandEvent& WXUNUSED(event))
{
Close(TRUE);
Close(true /*force closing*/);
}
void MyFrame::OnPrint(wxCommandEvent& WXUNUSED(event))
@@ -183,7 +182,7 @@ void MyFrame::OnPrint(wxCommandEvent& WXUNUSED(event))
wxPrinter printer(& printDialogData);
MyPrintout printout(_T("My printout"));
if (!printer.Print(this, &printout, TRUE))
if (!printer.Print(this, &printout, true /*prompt*/))
{
if (wxPrinter::GetLastError() == wxPRINTER_ERROR)
wxMessageBox(_T("There was a problem printing.\nPerhaps your current printer is not set correctly?"), _T("Printing"), wxOK);
@@ -207,19 +206,19 @@ void MyFrame::OnPrintPreview(wxCommandEvent& WXUNUSED(event))
wxMessageBox(_T("There was a problem previewing.\nPerhaps your current printer is not set correctly?"), _T("Previewing"), wxOK);
return;
}
wxPreviewFrame *frame = new wxPreviewFrame(preview, this, _T("Demo Print Preview"), wxPoint(100, 100), wxSize(600, 650));
frame->Centre(wxBOTH);
frame->Initialize();
frame->Show(TRUE);
frame->Show();
}
void MyFrame::OnPrintSetup(wxCommandEvent& WXUNUSED(event))
{
wxPrintDialogData printDialogData(* g_printData);
wxPrintDialog printerDialog(this, & printDialogData);
printerDialog.GetPrintDialogData().SetSetupDialog(TRUE);
printerDialog.GetPrintDialogData().SetSetupDialog(true /*show print setup dialog*/);
printerDialog.ShowModal();
(*g_printData) = printerDialog.GetPrintDialogData().GetPrintData();
@@ -231,7 +230,7 @@ void MyFrame::OnPageSetup(wxCommandEvent& WXUNUSED(event))
wxPageSetupDialog pageSetupDialog(this, g_pageSetupData);
pageSetupDialog.ShowModal();
(*g_printData) = pageSetupDialog.GetPageSetupData().GetPrintData();
(*g_pageSetupData) = pageSetupDialog.GetPageSetupData();
}
@@ -241,7 +240,7 @@ void MyFrame::OnPrintPS(wxCommandEvent& WXUNUSED(event))
{
wxPostScriptPrinter printer(g_printData);
MyPrintout printout(_T("My printout"));
printer.Print(this, &printout, TRUE);
printer.Print(this, &printout, true/*prompt*/);
(*g_printData) = printer.GetPrintData();
}
@@ -254,7 +253,7 @@ void MyFrame::OnPrintPreviewPS(wxCommandEvent& WXUNUSED(event))
wxPreviewFrame *frame = new wxPreviewFrame(preview, this, _T("Demo Print Preview"), wxPoint(100, 100), wxSize(600, 650));
frame->Centre(wxBOTH);
frame->Initialize();
frame->Show(TRUE);
frame->Show();
}
void MyFrame::OnPrintSetupPS(wxCommandEvent& WXUNUSED(event))
@@ -262,7 +261,7 @@ void MyFrame::OnPrintSetupPS(wxCommandEvent& WXUNUSED(event))
wxPrintDialogData printDialogData(* g_printData);
wxGenericPrintDialog printerDialog(this, & printDialogData);
printerDialog.GetPrintDialogData().SetSetupDialog(TRUE);
printerDialog.GetPrintDialogData().SetSetupDialog(true /*show print setup dialog*/);
printerDialog.ShowModal();
(*g_printData) = printerDialog.GetPrintDialogData().GetPrintData();
@@ -291,33 +290,33 @@ void MyFrame::Draw(wxDC& dc)
{
dc.SetBackground(*wxWHITE_BRUSH);
dc.Clear();
dc.SetFont(* wxGetApp().m_testFont);
dc.SetFont(wxGetApp().m_testFont);
dc.SetBackgroundMode(wxTRANSPARENT);
dc.SetBrush(* wxCYAN_BRUSH);
dc.SetPen(* wxRED_PEN);
dc.DrawRectangle(0, 30, 200, 100);
dc.DrawText( wxT("Rectangle 200 by 100"), 40, 40);
dc.DrawEllipse(50, 140, 100, 50);
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 );
dc.DrawText( tmp, 10, 200 );
dc.DrawText( tmp, 10, 200 );
#endif
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);
}
@@ -332,7 +331,7 @@ 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, wxID_ANY, pos, size, style)
{
SetBackgroundColour(* wxWHITE);
}
@@ -360,26 +359,26 @@ bool MyPrintout::OnPrintPage(int page)
DrawPageOne(dc);
else if (page == 2)
DrawPageTwo(dc);
dc->SetDeviceOrigin(0, 0);
dc->SetUserScale(1.0, 1.0);
wxChar buf[200];
wxSprintf(buf, wxT("PAGE %d"), page);
dc->DrawText(buf, 10, 10);
return TRUE;
return true;
}
else
return FALSE;
return false;
}
bool MyPrintout::OnBeginDocument(int startPage, int endPage)
{
if (!wxPrintout::OnBeginDocument(startPage, endPage))
return FALSE;
return TRUE;
return false;
return true;
}
void MyPrintout::GetPageInfo(int *minPage, int *maxPage, int *selPageFrom, int *selPageTo)
@@ -399,39 +398,39 @@ void MyPrintout::DrawPageOne(wxDC *dc)
{
// 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);
}
@@ -440,32 +439,32 @@ 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
@@ -473,25 +472,25 @@ void MyPrintout::DrawPageTwo(wxDC *dc)
// 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);
{ // GetTextExtent demo:
wxString words[7] = {_T("This "), _T("is "), _T("GetTextExtent "), _T("testing "), _T("string. "), _T("Enjoy "), _T("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++)
{
wxString word = words[i];
@@ -502,32 +501,34 @@ void MyPrintout::DrawPageTwo(wxDC *dc)
dc->DrawText(words[i], x, y);
x += w;
}
dc->SetFont(* wxGetApp().m_testFont);
}
dc->SetFont(wxGetApp().m_testFont);
dc->DrawText(_T("Some test text"), 200, 300 );
// 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,
dc->DrawLine( (long)leftMarginLogical, (long)topMarginLogical,
(long)rightMarginLogical, (long)topMarginLogical);
dc->DrawLine( (long)leftMarginLogical, (long)bottomMarginLogical,
dc->DrawLine( (long)leftMarginLogical, (long)bottomMarginLogical,
(long)rightMarginLogical, (long)bottomMarginLogical);
WritePageHeader(this, dc, _T("A header"), logUnitsFactor);
}
@@ -542,27 +543,27 @@ 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),
dc->DrawLine( (long)leftMarginLogical, (long)(topMarginLogical+yExtent),
(long)rightMarginLogical, (long)topMarginLogical+yExtent );
return TRUE;
return true;
}