// /// Retrieves information about this font when selected in the specified dc. // void TFont::GetTextMetrics(TEXTMETRIC& tm, TDC& dc) const { dc.SelectObject(*this); dc.GetTextMetrics(tm); dc.RestoreFont(); }
void TFuncSpecView::Paint(TDC& dc, bool erase, TRect& rect) { TSwitchMinApp* theApp = TYPESAFE_DOWNCAST(GetApplication(), TSwitchMinApp); if (theApp) { // Only paint if we're printing and we have something to paint, otherwise do nothing. // if (theApp->Printing && theApp->Printer && !rect.IsEmpty()) { // Use pageSize to get the size of the window to render into. For a Window it's the client area, // for a printer it's the printer DC dimensions and for print preview it's the layout window. // TSize pageSize(rect.right - rect.left, rect.bottom - rect.top); TPrintDialog::TData& printerData = theApp->Printer->GetSetup(); // Get area we can draw in TRect drawingArea(swdoc->PaintHeader(dc, rect, "", 0, 0, false), rect.BottomRight()); TEXTMETRIC tm; dc.SelectObject(TFont("Arial", -12)); if (!dc.GetTextMetrics(tm)) { dc.SelectObject(TFont("Arial", -12)); dc.GetTextMetrics(tm); } int fHeight=tm.tmHeight+tm.tmExternalLeading; unsigned long inputs=swdoc->GetSystem()->GetInputs(); XPosVector xpos; uint divider; char* data; Print_CreateWidths(xpos, divider, dc); if (xpos.back().x < rect.Size().cx) { // put space in structure to stretch across page uint spacing=(rect.Size().cx - xpos.back().x)/(xpos.size()+1); uint space_inc=spacing; for(XPosVector::size_type i=0; i<xpos.size(); i++) { if (i==inputs) { // after inputs section, increase divider divider += space_inc; space_inc += spacing; } xpos[i].x += space_inc; space_inc += spacing; } } data=new char[xpos.size()]; unsigned long PagesDown=1+pow(2,inputs)/( (drawingArea.Size().cy/fHeight) - 2); // 2 lines for header and horz divider unsigned long PagesAcross=1+xpos.back().x/drawingArea.Size().cx; unsigned long Pages=1+PagesDown*PagesAcross; // Compute the number of pages to print. // printerData.MinPage = 1; printerData.MaxPage = Pages; int fromPage = printerData.FromPage == -1 ? 1 : printerData.FromPage; int toPage = printerData.ToPage == -1 ? 1 : printerData.ToPage; int currentPage = fromPage; TPoint p; dc.SelectObject(TPen(TColor::Black)); while (currentPage <= toPage) { swdoc->PaintHeader(dc, rect, "Specification", currentPage, Pages, true); if (currentPage==1) Print_Summary(dc, drawingArea); else { // Calculate origin of line by page number // x int col=((currentPage-2) ) % PagesAcross; p.x=drawingArea.left - col * drawingArea.Size().cx; // y int row=floor((currentPage-2)/PagesAcross); p.y=drawingArea.top/* - row * drawingArea.Size().cy*/; // Calculate starting and ending input states CELL_TYPE state, stateEnd; state=(row*(drawingArea.Size().cy-fHeight))/fHeight; stateEnd=state+(drawingArea.Size().cy-fHeight)/fHeight; if (stateEnd >= (pow(2,inputs)-1) ) stateEnd=pow(2,inputs)-1; // // Draw header and lines // Vertical if ( ((p.x+divider) > drawingArea.left) && ((p.x+divider)<drawingArea.right) ) { dc.MoveTo(p.x+divider, p.y); dc.LineTo(p.x+divider, p.y+((stateEnd-state)+3)*fHeight); } // Labels for(XPosVector::size_type i=0; i<xpos.size(); i++) dc.TextOut(TPoint(xpos[i].x, p.y), xpos[i].s.c_str()); p.y += fHeight; // Horizontal dc.MoveTo(drawingArea.left, p.y + fHeight/2); dc.LineTo(p.x+xpos.back().x, p.y + fHeight/2); p.y += fHeight; // // Draw each line while(state <= stateEnd) { Print_GenerateLine(data, state); Print_Line(dc, p, xpos, data); p.y += fHeight; state++; } } currentPage++; } delete[] data; } else { // INSERT>> Normal painting code goes here. wTabs->InvalidateRect(rect, erase); } } }
// // Paint routine for Window, Printer, and PrintPreview for a TEdit/TListBox client. // void poundsMDIChild::Paint (TDC& dc, BOOL, TRect& rect) { poundsApp *theApp = TYPESAFE_DOWNCAST(GetApplication(), poundsApp); if (theApp) { // Only paint if we're printing and we have something to paint, otherwise do nothing. if (theApp->Printing && theApp->Printer && !rect.IsEmpty()) { // Use pageSize to get the size of the window to render into. For a Window it's the client area, // for a printer it's the printer DC dimensions and for print preview it's the layout window. TSize pageSize(rect.right - rect.left, rect.bottom - rect.top); HFONT hFont = (HFONT)GetClientWindow()->GetWindowFont(); TFont font("Arial", -12); if (hFont == 0) dc.SelectObject(font); else dc.SelectObject(TFont(hFont)); TEXTMETRIC tm; int fHeight = (dc.GetTextMetrics(tm) == TRUE) ? tm.tmHeight + tm.tmExternalLeading : 10; // How many lines of this font can we fit on a page. int linesPerPage = MulDiv(pageSize.cy, 1, fHeight); if (linesPerPage) { TPrintDialog::TData &printerData = theApp->Printer->GetSetup(); int maxPg = 1; // Get the client class window (this is the contents we're going to print). TEdit *clientEditWindow /* = 0*/; TListBox *clientListWindow = 0; TWindow *clientUnknownWindow = 0; clientEditWindow = TYPESAFE_DOWNCAST(GetClientWindow(), TEdit); if (clientEditWindow) maxPg = ((clientEditWindow->GetNumLines() / linesPerPage) + 1.0); else { clientListWindow = TYPESAFE_DOWNCAST(GetClientWindow(), TListBox); if (clientListWindow) maxPg = ((clientListWindow->GetCount() / linesPerPage) + 1.0); else clientUnknownWindow = TYPESAFE_DOWNCAST(GetClientWindow(), TWindow); } // Compute the number of pages to print. printerData.MinPage = 1; printerData.MaxPage = maxPg; // Do the text stuff: int fromPage = printerData.FromPage == -1 ? 1 : printerData.FromPage; int toPage = printerData.ToPage == -1 ? 1 : printerData.ToPage; char buffer[255]; int currentPage = fromPage; while (currentPage <= toPage) { int startLine = (currentPage - 1) * linesPerPage; int lineIdx = 0; while (lineIdx < linesPerPage) { // If the string is no longer valid then there's nothing more to display. if (clientEditWindow) { if (!clientEditWindow->GetLine(buffer, sizeof(buffer), startLine + lineIdx)) break; } else if (clientListWindow) { if (clientListWindow->GetString(buffer, startLine + lineIdx) < 0) break; } else if (clientUnknownWindow) { clientUnknownWindow->Paint(dc, FALSE, rect); break; } dc.TabbedTextOut(TPoint(0, lineIdx * fHeight), buffer, lstrlen(buffer), 0, NULL, 0); lineIdx++; } currentPage++; } } } } }