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 );
}
