#include "wx/wfstream.h"
+// default font size of normal text (HTML font size 0) for printing, in points:
+#define DEFAULT_PRINT_FONT_SIZE 12
+
+
//--------------------------------------------------------------------------------
// wxHtmlDCRenderer
//--------------------------------------------------------------------------------
m_Parser = new wxHtmlWinParser();
m_FS = new wxFileSystem();
m_Parser->SetFS(m_FS);
+ SetStandardFonts(DEFAULT_PRINT_FONT_SIZE);
}
void wxHtmlDCRenderer::SetSize(int width, int height)
{
+ wxCHECK_RET( width, "width must be non-zero" );
+ wxCHECK_RET( height, "height must be non-zero" );
+
m_Width = width;
m_Height = height;
}
void wxHtmlDCRenderer::SetHtmlText(const wxString& html, const wxString& basepath, bool isdir)
{
- if (m_DC == NULL) return;
+ wxCHECK_RET( m_DC, "SetDC() must be called before SetHtmlText()" );
+ wxCHECK_RET( m_Width, "SetSize() must be called before SetHtmlText()" );
- if (m_Cells != NULL) delete m_Cells;
+ wxDELETE(m_Cells);
m_FS->ChangePathTo(basepath, isdir);
m_Cells = (wxHtmlContainerCell*) m_Parser->Parse(html);
const int *sizes)
{
m_Parser->SetFonts(normal_face, fixed_face, sizes);
- if (m_DC == NULL && m_Cells != NULL)
+
+ if ( m_Cells )
m_Cells->Layout(m_Width);
+ // else: SetHtmlText() not yet called, no need for relayout
}
void wxHtmlDCRenderer::SetStandardFonts(int size,
const wxString& fixed_face)
{
m_Parser->SetStandardFonts(size, normal_face, fixed_face);
- if (m_DC == NULL && m_Cells != NULL)
+
+ if ( m_Cells )
m_Cells->Layout(m_Width);
+ // else: SetHtmlText() not yet called, no need for relayout
}
int wxHtmlDCRenderer::Render(int x, int y,
wxArrayInt& known_pagebreaks,
int from, int dont_render, int to)
{
- int pbreak, hght;
+ wxCHECK_MSG( m_Cells, 0, "SetHtmlText() must be called before Render()" );
+ wxCHECK_MSG( m_DC, 0, "SetDC() must be called before Render()" );
- if (m_Cells == NULL || m_DC == NULL) return 0;
+ int pbreak, hght;
pbreak = (int)(from + m_Height);
while (m_Cells->AdjustPagebreak(&pbreak, known_pagebreaks)) {}
m_DC->SetClippingRegion(x, y, m_Width, hght);
m_Cells->Draw(*m_DC,
x, (y - from),
- y, pbreak + (y /*- from*/),
+ y, y + hght,
rinfo);
m_DC->DestroyClippingRegion();
}
else return GetTotalHeight();
}
+int wxHtmlDCRenderer::GetTotalWidth() const
+{
+ return m_Cells ? m_Cells->GetWidth() : 0;
+}
-int wxHtmlDCRenderer::GetTotalHeight()
+int wxHtmlDCRenderer::GetTotalHeight() const
{
- if (m_Cells) return m_Cells->GetHeight();
- else return 0;
+ return m_Cells ? m_Cells->GetHeight() : 0;
}
m_Footers[0] = m_Footers[1] = wxEmptyString;
m_HeaderHeight = m_FooterHeight = 0;
SetMargins(); // to default values
+ SetStandardFonts(DEFAULT_PRINT_FONT_SIZE);
}
m_Filters.Append(filter);
}
+bool
+wxHtmlPrintout::CheckFit(const wxSize& pageArea, const wxSize& docArea) const
+{
+ if ( docArea.x > pageArea.x )
+ {
+ wxMessageDialog
+ dlg
+ (
+ NULL,
+ wxString::Format
+ (
+ _("The document \"%s\" doesn't fit on the page "
+ "horizontally and will be truncated if printed.\n"
+ "\n"
+ "Would you like to proceed with printing it nevertheless?"),
+ GetTitle()
+ ),
+ _("Printing"),
+ wxOK | wxCANCEL | wxCANCEL_DEFAULT | wxICON_QUESTION
+ );
+ dlg.SetExtendedMessage
+ (
+ _("If possible, try changing the layout parameters to "
+ "make the printout more narrow.")
+ );
+ dlg.SetOKLabel(wxID_PRINT);
+
+ if ( dlg.ShowModal() == wxID_CANCEL )
+ return false;
+ }
+
+ return true;
+}
+
void wxHtmlPrintout::OnPreparePrinting()
{
int pageWidth, pageHeight, mm_w, mm_h, scr_w, scr_h, dc_w, dc_h;
int ppiPrinterX, ppiPrinterY;
GetPPIPrinter(&ppiPrinterX, &ppiPrinterY);
+ wxUnusedVar(ppiPrinterX);
int ppiScreenX, ppiScreenY;
GetPPIScreen(&ppiScreenX, &ppiScreenY);
+ wxUnusedVar(ppiScreenX);
wxDisplaySize(&scr_w, &scr_h);
GetDC()->GetSize(&dc_w, &dc_h);
- GetDC()->SetUserScale((double)dc_w / (double)pageWidth, (double)dc_w / (double)pageWidth);
+ GetDC()->SetUserScale((double)dc_w / (double)pageWidth,
+ (double)dc_h / (double)pageHeight);
/* prepare headers/footers renderer: */
/* prepare main renderer: */
m_Renderer->SetDC(GetDC(), (double)ppiPrinterY / (double)ppiScreenY);
- m_Renderer->SetSize((int) (ppmm_h * (mm_w - m_MarginLeft - m_MarginRight)),
- (int) (ppmm_v * (mm_h - m_MarginTop - m_MarginBottom) -
- m_FooterHeight - m_HeaderHeight -
- ((m_HeaderHeight == 0) ? 0 : m_MarginSpace * ppmm_v) -
- ((m_FooterHeight == 0) ? 0 : m_MarginSpace * ppmm_v)
- ));
+
+ const int printAreaW = int(ppmm_h * (mm_w - m_MarginLeft - m_MarginRight));
+ int printAreaH = int(ppmm_v * (mm_h - m_MarginTop - m_MarginBottom));
+ if ( m_HeaderHeight )
+ printAreaH -= int(m_HeaderHeight + m_MarginSpace * ppmm_v);
+ if ( m_FooterHeight )
+ printAreaH -= int(m_FooterHeight + m_MarginSpace * ppmm_v);
+
+ m_Renderer->SetSize(printAreaW, printAreaH);
m_Renderer->SetHtmlText(m_Document, m_BasePath, m_BasePathIsDir);
- CountPages();
+
+ if ( CheckFit(wxSize(printAreaW, printAreaH),
+ wxSize(m_Renderer->GetTotalWidth(),
+ m_Renderer->GetTotalHeight())) )
+ {
+ // do paginate the document
+ CountPages();
+ }
+ //else: if we don't call CountPages() m_PageBreaks remains empty and our
+ // GetPageInfo() will return 0 as max page and so nothing will be
+ // printed
}
bool wxHtmlPrintout::OnBeginDocument(int startPage, int endPage)
bool wxHtmlPrintout::OnPrintPage(int page)
{
wxDC *dc = GetDC();
- if (dc)
+ if (dc && dc->IsOk())
{
if (HasPage(page))
RenderPage(dc, page);
void wxHtmlPrintout::GetPageInfo(int *minPage, int *maxPage, int *selPageFrom, int *selPageTo)
{
*minPage = 1;
- if ( m_NumPages >= (signed)m_PageBreaks.Count()-1)
+ if ( m_NumPages >= (signed)m_PageBreaks.GetCount()-1)
*maxPage = m_NumPages;
else
- *maxPage = (signed)m_PageBreaks.Count()-1;
+ *maxPage = (signed)m_PageBreaks.GetCount()-1;
*selPageFrom = 1;
- *selPageTo = (signed)m_PageBreaks.Count()-1;
+ *selPageTo = (signed)m_PageBreaks.GetCount()-1;
}
bool wxHtmlPrintout::HasPage(int pageNum)
{
- return pageNum > 0 && (unsigned)pageNum < m_PageBreaks.Count();
+ return pageNum > 0 && (unsigned)pageNum < m_PageBreaks.GetCount();
}
m_PageBreaks,
pos, true, INT_MAX);
m_PageBreaks.Add( pos);
- if( m_PageBreaks.Count() > wxHTML_PRINT_MAX_PAGES)
+ if( m_PageBreaks.GetCount() > wxHTML_PRINT_MAX_PAGES)
{
wxMessageBox( _("HTML pagination algorithm generated more than the allowed maximum number of pages and it can't continue any longer!"),
_("Warning"), wxCANCEL | wxICON_ERROR );
GetPPIScreen(&ppiScreenX, &ppiScreenY);
wxUnusedVar(ppiScreenX);
- dc->SetUserScale((double)dc_w / (double)pageWidth, (double)dc_w / (double)pageWidth);
+ dc->SetUserScale((double)dc_w / (double)pageWidth,
+ (double)dc_h / (double)pageHeight);
m_Renderer->SetDC(dc, (double)ppiPrinterY / (double)ppiScreenY);
- dc->SetBackgroundMode(wxTRANSPARENT);
+ dc->SetBackgroundMode(wxBRUSHSTYLE_TRANSPARENT);
m_Renderer->Render((int) (ppmm_h * m_MarginLeft),
(int) (ppmm_v * (m_MarginTop + (m_HeaderHeight == 0 ? 0 : m_MarginSpace)) + m_HeaderHeight), m_PageBreaks,
num.Printf(wxT("%i"), page);
r.Replace(wxT("@PAGENUM@"), num);
- num.Printf(wxT("%lu"), (unsigned long)(m_PageBreaks.Count() - 1));
+ num.Printf(wxT("%lu"), (unsigned long)(m_PageBreaks.GetCount() - 1));
r.Replace(wxT("@PAGESCNT@"), num);
const wxDateTime now = wxDateTime::Now();
m_PageSetupData->SetMarginTopLeft(wxPoint(25, 25));
m_PageSetupData->SetMarginBottomRight(wxPoint(25, 25));
- SetFonts(wxEmptyString, wxEmptyString, NULL);
+ SetStandardFonts(DEFAULT_PRINT_FONT_SIZE);
}
projects / wxWidgets.git / blobdiff