bool EditorPrintout::OnPrintPage(int pageNum) {
wxASSERT(m_line && m_lineList);
if (m_pages.empty()) return true;
unsigned int page_ndx = pageNum-1; // page numbers start from one
const unsigned int lastline = m_pages[page_ndx];
unsigned int line_id = page_ndx ? m_pages[page_ndx-1]+1 : 0;
// Make page size scale with screen resolution
MapScreenSizeToPage();
const wxRect rect = GetLogicalPageRect();
unsigned int ypos = rect.y;
// We may have gotten a new dc, so we need a new line
wxDC& dc = *GetDC();
const wxFont& font = m_theme.font;
dc.SetFont(font);
FixedLine line(dc, m_printDoc.GetDocument(), s_sel, s_brackets, s_lastpos, s_isShadow, m_theme);
line.SetPrintMode();
line.Init();
line.SetWordWrap(cxWRAP_SMART);
line.SetWidth(rect.width - m_gutter_width);
// Draw gutter separator
const unsigned int sep_xpos = m_gutter_width - 5;
const unsigned int number_right = m_gutter_width - 8;
dc.DrawLine(sep_xpos, rect.y, sep_xpos, rect.y + m_page_height);
// Draw lines
while (line_id <= lastline) {
// Draw line number
const wxString linenumber = wxString::Format(wxT("%u"), line_id+1);
const wxSize ln_ext = dc.GetTextExtent(linenumber);
dc.DrawText(linenumber, number_right - ln_ext.x, ypos);
// Draw line
line.SetLine(m_lineList->offset(line_id), m_lineList->end(line_id));
line.DrawLine(rect.x + m_gutter_width, ypos, rect, false);
ypos += line.GetHeight();
++line_id;
}
// Draw footer title
ypos = rect.GetBottom() - m_line->GetCharHeight();
dc.DrawText(m_printDoc.GetName(), 0, ypos);
// Draw footer pagenum
const wxString pagefooter = wxString::Format(wxT("%d / %d"), pageNum, m_pages.size());
const wxSize extent = dc.GetTextExtent(pagefooter);
dc.DrawText(pagefooter, rect.GetRight() - extent.x, ypos);
return true;
}
void EditorPrintout::OnPreparePrinting() {
// Make page size scale with screen resolution
MapScreenSizeToPage();
const wxRect size = GetLogicalPageRect();
// Set the current themes font
const wxFont& font = m_theme.font;
wxDC& dc = *GetDC();
dc.SetFont(font);
// Initialize line info
m_line = new FixedLine(dc, m_printDoc.GetDocument(), s_sel, s_brackets, s_lastpos, s_isShadow, m_theme);
m_line->SetPrintMode();
m_line->Init();
m_line->SetWordWrap(cxWRAP_SMART);
m_lineList = new LineListWrap(*m_line, m_printDoc.GetDocument());
m_lineList->SetOffsets(m_printDoc.GetOffsets());
// Calc gutter width
const wxSize digit_ext = dc.GetTextExtent(wxT("0"));
const unsigned int max_num_width = digits_in_number(m_lineList->size());
m_gutter_width = (max_num_width * digit_ext.x) + 8;
m_line->SetWidth(size.width - m_gutter_width);
m_lineList->invalidate();
m_lineList->prepare_all();
m_page_height = size.height - (m_line->GetCharHeight() * 2); // room for footer
// Calculate page list
if (m_lineList->size()) {
unsigned int bottom_ypos = m_page_height;
// Calc lines on pages
while (bottom_ypos <= m_lineList->height()) {
const unsigned int lastline = m_lineList->find_ypos(bottom_ypos)-1;
m_pages.push_back(lastline);
bottom_ypos = m_lineList->bottom(lastline) + m_page_height;
}
if (bottom_ypos > m_lineList->height())
m_pages.push_back(m_lineList->last());
}
}
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;
}
