bool wxSFPrintout::OnPrintPage(int page) { wxUnusedVar( page ); wxASSERT_MSG(m_pCanvas, wxT("Shape canvas must be set in the wxSFPrintout class instance.")); wxDC *dc = GetDC(); if (dc && m_pCanvas) { // get grawing size wxRect fitRect, totalBB = m_pCanvas->GetTotalBoundingBox(); wxCoord maxX = totalBB.GetRight(); wxCoord maxY = totalBB.GetBottom(); // set printing mode switch( m_pCanvas->GetPrintMode() ) { case wxSFShapeCanvas::prnFIT_TO_PAGE: FitThisSizeToPage(wxSize(maxX, maxY)); fitRect = GetLogicalPageRect(); break; case wxSFShapeCanvas::prnFIT_TO_PAPER: FitThisSizeToPaper(wxSize(maxX, maxY)); fitRect = GetLogicalPaperRect(); break; case wxSFShapeCanvas::prnFIT_TO_MARGINS: FitThisSizeToPageMargins(wxSize(maxX, maxY), *g_pageSetupData); fitRect = GetLogicalPageMarginsRect(*g_pageSetupData); break; case wxSFShapeCanvas::prnMAP_TO_PAGE: MapScreenSizeToPage(); fitRect = GetLogicalPageRect(); break; case wxSFShapeCanvas::prnMAP_TO_PAPER: MapScreenSizeToPaper(); fitRect = GetLogicalPaperRect(); break; case wxSFShapeCanvas::prnMAP_TO_MARGINS: MapScreenSizeToPage(); fitRect = GetLogicalPageMarginsRect(*g_pageSetupData); break; case wxSFShapeCanvas::prnMAP_TO_DEVICE: MapScreenSizeToDevice(); fitRect = GetLogicalPageRect(); break; } // This offsets the image so that it is centered within the reference // rectangle defined above. wxCoord xoff = ((fitRect.width - maxX - totalBB.GetLeft()) / 2) - fitRect.x; wxCoord yoff = ((fitRect.height - maxY - totalBB.GetTop()) / 2) - fitRect.y; switch( m_pCanvas->GetPrintHAlign() ) { case wxSFShapeCanvas::halignLEFT: xoff = 0; break; case wxSFShapeCanvas::halignRIGHT: xoff = fitRect.width - totalBB.GetWidth(); break; default: break; } switch( m_pCanvas->GetPrintVAlign() ) { case wxSFShapeCanvas::valignTOP: yoff = 0; break; case wxSFShapeCanvas::valignBOTTOM: yoff = fitRect.height - totalBB.GetHeight(); break; default: break; } OffsetLogicalOrigin(xoff, yoff); // store current canvas properties double prevScale = m_pCanvas->GetScale(); long prevStyle = m_pCanvas->GetStyle(); wxColour prevColour = m_pCanvas->GetCanvasColour(); // disable canvas background drawing if required if( !m_pCanvas->ContainsStyle( wxSFShapeCanvas::sfsPRINT_BACKGROUND ) ) { m_pCanvas->RemoveStyle( wxSFShapeCanvas::sfsGRADIENT_BACKGROUND ); m_pCanvas->RemoveStyle( wxSFShapeCanvas::sfsGRID_SHOW ); m_pCanvas->SetCanvasColour( *wxWHITE); } // draw the canvas content without any scale (dc is scaled by the printing framework) #if wxVERSION_NUMBER < 2900 double nScale = 1; if( wxSFShapeCanvas::IsGCEnabled() ) dc->GetUserScale( &nScale, &nScale ); m_pCanvas->SetScale(1); #ifdef __WXMSW__ wxSFScaledDC sdc( (wxWindowDC*)dc, nScale ); sdc.PrepareGC(); m_pCanvas->DrawContent(sdc, sfNOT_FROM_PAINT); #else m_pCanvas->DrawContent(*dc, sfNOT_FROM_PAINT); #endif m_pCanvas->SetScale(prevScale); #else m_pCanvas->SetScale(1); m_pCanvas->DrawContent(*dc, sfNOT_FROM_PAINT); m_pCanvas->SetScale(prevScale); #endif // restore previous canvas properties if needed if( !m_pCanvas->ContainsStyle( wxSFShapeCanvas::sfsPRINT_BACKGROUND ) ) { m_pCanvas->SetStyle( prevStyle ); m_pCanvas->SetCanvasColour( prevColour ); } return true; } else return false; }
/* * This is the real print function: print the active screen */ void SCH_PRINTOUT::DrawPage( SCH_SCREEN* aScreen ) { int oldZoom; wxPoint tmp_startvisu; wxSize pageSizeIU; // Page size in internal units wxPoint old_org; EDA_RECT oldClipBox; wxRect fitRect; wxDC* dc = GetDC(); auto panel = m_parent->GetCanvas(); wxBusyCursor dummy; // Save current scale factor, offsets, and clip box. tmp_startvisu = aScreen->m_StartVisu; oldZoom = aScreen->GetZoom(); old_org = aScreen->m_DrawOrg; oldClipBox = *panel->GetClipBox(); // Change clip box to print the whole page. #define MAX_VALUE (INT_MAX/2) // MAX_VALUE is the max we can use in an integer // and that allows calculations without overflow panel->SetClipBox( EDA_RECT( wxPoint( 0, 0 ), wxSize( MAX_VALUE, MAX_VALUE ) ) ); // Change scale factor and offset to print the whole page. bool printReference = m_parent->GetPrintSheetReference(); pageSizeIU = aScreen->GetPageSettings().GetSizeIU(); FitThisSizeToPaper( pageSizeIU ); fitRect = GetLogicalPaperRect(); wxLogDebug( wxT( "Fit rectangle: x = %d, y = %d, w = %d, h = %d" ), fitRect.x, fitRect.y, fitRect.width, fitRect.height ); // When is the actual paper size does not match the schematic page // size, the drawing is not perfectly centered on X or Y axis. // Give a draw offset centers the schematic page on the paper draw area // Because the sizes are fitted, only an Y or X offset is needed // and both are 0 when sizes are identical. // Y or Y offset is not null when the X/Y size ratio differs between // the actual paper size and the schematic page int xoffset = ( fitRect.width - pageSizeIU.x ) / 2; // For an obscure reason, OffsetLogicalOrigin creates issues, // under some circumstances, when yoffset is not always null // and changes from a page to another page // This is only a workaround, not a fix // see https://bugs.launchpad.net/kicad/+bug/1464773 // xoffset does not create issues. #if 0 // FIX ME int yoffset = ( fitRect.height - pageSizeIU.y ) / 2; #else // the Y centering will be not perfect, but this is less annoying // than a blank page or a buggy centering int yoffset = 0; #endif OffsetLogicalOrigin( xoffset, yoffset ); GRResetPenAndBrush( dc ); if( m_parent->GetPrintMonochrome() ) GRForceBlackPen( true ); aScreen->m_IsPrinting = true; COLOR4D bgColor = m_parent->GetDrawBgColor(); aScreen->Draw( panel, dc, (GR_DRAWMODE) 0 ); if( printReference ) m_parent->DrawWorkSheet( dc, aScreen, GetDefaultLineThickness(), IU_PER_MILS, aScreen->GetFileName() ); m_parent->SetDrawBgColor( bgColor ); aScreen->m_IsPrinting = false; panel->SetClipBox( oldClipBox ); GRForceBlackPen( false ); aScreen->m_StartVisu = tmp_startvisu; aScreen->m_DrawOrg = old_org; aScreen->SetZoom( oldZoom ); }