+/////////////////////////////////////////////////////////////////////////////
+// Name: htmprint.cpp
+// Purpose: html printing classes
+// Author: Vaclav Slavik
+// Created: 25/09/99
+// RCS-ID: $Id$
+// Copyright: (c) Vaclav Slavik, 1999
+// Licence: wxWindows licence
+/////////////////////////////////////////////////////////////////////////////
+
+
+#ifdef __GNUG__
+#pragma implementation
+#endif
+
+// For compilers that support precompilation, includes "wx/wx.h".
+#include "wx/wxprec.h"
+
+#ifdef __BORLANDC__
+#pragma hdrstop
+#endif
+
+#ifndef WX_PRECOMP
+#include "wx/wx.h"
+#endif
+
+#if wxUSE_PRINTING_ARCHITECTURE
+
+#include "wx/print.h"
+#include "wx/printdlg.h"
+#include "wx/html/htmprint.h"
+#include "wx/wxhtml.h"
+#include "wx/wfstream.h"
+
+
+//--------------------------------------------------------------------------------
+// wxHtmlDCRenderer
+//--------------------------------------------------------------------------------
+
+
+wxHtmlDCRenderer::wxHtmlDCRenderer() : wxObject()
+{
+ m_DC = NULL;
+ m_Width = m_Height = 0;
+ m_Cells = NULL;
+ m_Parser = new wxHtmlWinParser(NULL);
+ m_FS = new wxFileSystem();
+ m_Parser -> SetFS(m_FS);
+ m_Scale = 1.0;
+}
+
+
+
+wxHtmlDCRenderer::~wxHtmlDCRenderer()
+{
+ if (m_Cells) delete m_Cells;
+ if (m_Parser) delete m_Parser;
+ if (m_FS) delete m_FS;
+}
+
+
+
+void wxHtmlDCRenderer::SetDC(wxDC *dc, int maxwidth)
+{
+ int dx, dy;
+
+ wxDisplaySize(&dx, &dy);
+ m_MaxWidth = maxwidth;
+#if 0
+ m_Scale = (float)dx * 2 / 3 / (float)maxwidth;
+ // let the width of A4 is approximately 2/3 the screen width
+#endif
+ m_Scale = (float)800 / (float)maxwidth;
+ // for now, assume screen width = 800 => good results
+
+ m_DC = dc;
+ m_Parser -> SetDC(dc);
+}
+
+
+
+void wxHtmlDCRenderer::SetSize(int width, int height)
+{
+ m_Width = (int)(width * m_Scale);
+ m_Height = (int)(height * m_Scale);
+}
+
+
+
+void wxHtmlDCRenderer::SetHtmlText(const wxString& html, const wxString& basepath, bool isdir)
+{
+ if (m_DC == NULL) return;
+
+ if (m_Cells != NULL) delete m_Cells;
+
+ m_FS -> ChangePathTo(basepath, isdir);
+ m_DC -> SetUserScale(1.0, 1.0);
+ m_Cells = (wxHtmlContainerCell*) m_Parser -> Parse(html);
+ m_Cells -> SetIndent(0, HTML_INDENT_ALL, HTML_UNITS_PIXELS);
+ m_Cells -> Layout(m_Width);
+}
+
+
+
+int wxHtmlDCRenderer::Render(int x, int y, int from, int dont_render)
+{
+ int pbreak;
+
+ if (m_Cells == NULL || m_DC == NULL) return 0;
+
+ pbreak = (int)(from * m_Scale + m_Height);
+ while (m_Cells -> AdjustPagebreak(&pbreak)) {}
+
+ if (!dont_render) {
+ int w, h;
+ m_DC -> GetSize(&w, &h);
+ float overallScale = (float)(w/(float)m_MaxWidth) / m_Scale;
+ m_DC -> SetUserScale(overallScale, overallScale);
+
+ m_DC -> SetBrush(*wxWHITE_BRUSH);
+
+ m_DC -> SetClippingRegion(x * m_Scale, y * m_Scale, m_Width, m_Height);
+ m_Cells -> Draw(*m_DC,
+ x * m_Scale, (y - from) * m_Scale,
+ y * m_Scale, pbreak + (y - from) * m_Scale);
+ m_DC -> DestroyClippingRegion();
+ }
+
+ if (pbreak < m_Cells -> GetHeight()) return (int)(pbreak / m_Scale);
+ else return GetTotalHeight();
+}
+
+
+
+int wxHtmlDCRenderer::GetTotalHeight()
+{
+ if (m_Cells) return (int)(m_Cells -> GetHeight() / m_Scale);
+ else return 0;
+}
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+//--------------------------------------------------------------------------------
+// wxHtmlPrintout
+//--------------------------------------------------------------------------------
+
+
+
+wxHtmlPrintout::wxHtmlPrintout(const wxString& title) : wxPrintout(title)
+{
+ m_Renderer = new wxHtmlDCRenderer;
+ m_RendererHdr = new wxHtmlDCRenderer;
+ m_NumPages = HTML_PRINT_MAX_PAGES;
+ m_Document = m_BasePath = wxEmptyString; m_BasePathIsDir = TRUE;
+ m_Headers[0] = m_Headers[1] = wxEmptyString;
+ m_Footers[0] = m_Footers[1] = wxEmptyString;
+ m_HeaderHeight = m_FooterHeight = 0;
+ SetMargins(); // to default values
+}
+
+
+
+wxHtmlPrintout::~wxHtmlPrintout()
+{
+ delete m_Renderer;
+ delete m_RendererHdr;
+}
+
+
+
+bool wxHtmlPrintout::OnBeginDocument(int start, int end)
+{
+ int pageWidth, pageHeight, mm_w, mm_h;
+ float ppmm_h, ppmm_v;
+
+ if (!wxPrintout::OnBeginDocument(start, end)) return FALSE;
+
+ GetPageSizePixels(&pageWidth, &pageHeight);
+ GetPageSizeMM(&mm_w, &mm_h);
+ ppmm_h = (float)pageWidth / mm_w;
+ ppmm_v = (float)pageHeight / mm_h;
+
+ /* prepare headers/footers renderer: */
+
+ m_RendererHdr -> SetDC(GetDC(), pageWidth);
+ m_RendererHdr -> SetSize(ppmm_h * (mm_w - m_MarginLeft - m_MarginTop),
+ ppmm_v * (mm_h - m_MarginTop - m_MarginBottom));
+ if (m_Headers[0] != wxEmptyString) {
+ m_RendererHdr -> SetHtmlText(TranslateHeader(m_Headers[0], 1));
+ m_HeaderHeight = m_RendererHdr -> GetTotalHeight();
+ }
+ else if (m_Headers[1] != wxEmptyString) {
+ m_RendererHdr -> SetHtmlText(TranslateHeader(m_Headers[1], 1));
+ m_HeaderHeight = m_RendererHdr -> GetTotalHeight();
+ }
+ if (m_Footers[0] != wxEmptyString) {
+ m_RendererHdr -> SetHtmlText(TranslateHeader(m_Footers[0], 1));
+ m_FooterHeight = m_RendererHdr -> GetTotalHeight();
+ }
+ else if (m_Footers[1] != wxEmptyString) {
+ m_RendererHdr -> SetHtmlText(TranslateHeader(m_Footers[1], 1));
+ m_FooterHeight = m_RendererHdr -> GetTotalHeight();
+ }
+
+ /* prepare main renderer: */
+ m_Renderer -> SetDC(GetDC(), pageWidth);
+ m_Renderer -> SetSize(ppmm_h * (mm_w - m_MarginLeft - m_MarginTop),
+ 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)
+ );
+ m_Renderer -> SetHtmlText(m_Document, m_BasePath, m_BasePathIsDir);
+ CountPages();
+
+ return TRUE;
+}
+
+
+bool wxHtmlPrintout::OnPrintPage(int page)
+{
+ wxDC *dc = GetDC();
+ if (dc) {
+ if (HasPage(page))
+ RenderPage(dc, page);
+ return TRUE;
+ } else
+ return FALSE;
+}
+
+
+void wxHtmlPrintout::GetPageInfo(int *minPage, int *maxPage, int *selPageFrom, int *selPageTo)
+{
+ *minPage = 1;
+ *maxPage = HTML_PRINT_MAX_PAGES;
+ *selPageFrom = 1;
+ *selPageTo = 1;
+}
+
+
+
+bool wxHtmlPrintout::HasPage(int pageNum)
+{
+ return (pageNum >= 1 && pageNum <= m_NumPages);
+}
+
+
+
+void wxHtmlPrintout::SetHtmlText(const wxString& html, const wxString &basepath, bool isdir)
+{
+ m_Document = html;
+ m_BasePath = basepath;
+ m_BasePathIsDir = isdir;
+}
+
+
+
+void wxHtmlPrintout::SetHtmlFile(const wxString& htmlfile)
+{
+ wxFileSystem fs;
+ wxFSFile *ff = fs.OpenFile(htmlfile);
+ wxInputStream *st = ff -> GetStream();
+ char *t = new char[st -> GetSize() + 1];
+ st -> Read(t, st -> GetSize());
+ t[st -> GetSize()] = 0;
+
+ wxString doc = wxString(t);
+ delete t;
+ delete ff;
+
+ SetHtmlText(doc, htmlfile, FALSE);
+}
+
+
+
+void wxHtmlPrintout::SetHeader(const wxString& header, int pg)
+{
+ if (pg == wxPAGE_ALL || pg == wxPAGE_EVEN)
+ m_Headers[0] = header;
+ if (pg == wxPAGE_ALL || pg == wxPAGE_ODD)
+ m_Headers[1] = header;
+}
+
+
+
+void wxHtmlPrintout::SetFooter(const wxString& footer, int pg)
+{
+ if (pg == wxPAGE_ALL || pg == wxPAGE_EVEN)
+ m_Footers[0] = footer;
+ if (pg == wxPAGE_ALL || pg == wxPAGE_ODD)
+ m_Footers[1] = footer;
+}
+
+
+
+void wxHtmlPrintout::CountPages()
+{
+ wxBusyCursor wait;
+ int pageWidth, pageHeight, mm_w, mm_h;
+ float ppmm_h, ppmm_v;
+
+ GetPageSizePixels(&pageWidth, &pageHeight);
+ GetPageSizeMM(&mm_w, &mm_h);
+ ppmm_h = (float)pageWidth / mm_w;
+ ppmm_v = (float)pageHeight / mm_h;
+
+ int pos = 0;
+
+ m_NumPages = 0;
+
+ m_PageBreaks[0] = 0;
+ do {
+ pos = m_Renderer -> Render(ppmm_h * m_MarginLeft,
+ ppmm_v * (m_MarginTop + (m_HeaderHeight == 0 ? 0 : m_MarginSpace)) + m_HeaderHeight,
+ pos, TRUE);
+ m_PageBreaks[++m_NumPages] = pos;
+ } while (pos < m_Renderer -> GetTotalHeight());
+}
+
+
+
+void wxHtmlPrintout::RenderPage(wxDC *dc, int page)
+{
+ wxBusyCursor wait;
+
+ int pageWidth, pageHeight, mm_w, mm_h;
+ float ppmm_h, ppmm_v;
+
+ GetPageSizePixels(&pageWidth, &pageHeight);
+ GetPageSizeMM(&mm_w, &mm_h);
+ ppmm_h = (float)pageWidth / mm_w;
+ ppmm_v = (float)pageHeight / mm_h;
+
+ m_Renderer -> SetDC(dc, pageWidth);
+
+ dc -> SetBackgroundMode(wxTRANSPARENT);
+
+ m_Renderer -> Render(ppmm_h * m_MarginLeft,
+ ppmm_v * (m_MarginTop + (m_HeaderHeight == 0 ? 0 : m_MarginSpace)) + m_HeaderHeight,
+ m_PageBreaks[page-1]);
+
+ m_RendererHdr -> SetDC(dc, pageWidth);
+ if (m_Headers[page % 2] != wxEmptyString) {
+ m_RendererHdr -> SetHtmlText(TranslateHeader(m_Headers[page % 2], page));
+ m_RendererHdr -> Render(ppmm_h * m_MarginLeft, ppmm_v * m_MarginTop);
+ }
+ if (m_Footers[page % 2] != wxEmptyString) {
+ m_RendererHdr -> SetHtmlText(TranslateHeader(m_Footers[page % 2], page));
+ m_RendererHdr -> Render(ppmm_h * m_MarginLeft, pageHeight - ppmm_v * m_MarginBottom - m_FooterHeight);
+ }
+}
+
+
+
+wxString wxHtmlPrintout::TranslateHeader(const wxString& instr, int page)
+{
+ wxString r = instr;
+ wxString num;
+
+ num.Printf("%i", page);
+ r.Replace("@PAGENUM@", num);
+
+ num.Printf("%i", m_NumPages);
+ r.Replace("@PAGESCNT@", num);
+
+ return r;
+}
+
+
+
+void wxHtmlPrintout::SetMargins(float top, float bottom, float left, float right, float spaces)
+{
+ m_MarginTop = top;
+ m_MarginBottom = bottom;
+ m_MarginLeft = left;
+ m_MarginRight = right;
+ m_MarginSpace = spaces;
+}
+
+
+
+
+
+
+//--------------------------------------------------------------------------------
+// wxHtmlEasyPrinting
+//--------------------------------------------------------------------------------
+
+
+wxHtmlEasyPrinting::wxHtmlEasyPrinting(const wxString& name, wxFrame *parent_frame)
+{
+ m_Frame = parent_frame;
+ m_Name = name;
+ m_PrintData = new wxPrintData;
+ m_PageSetupData = new wxPageSetupDialogData;
+ m_Headers[0] = m_Headers[1] = m_Footers[0] = m_Footers[1] = wxEmptyString;
+
+ m_PageSetupData -> EnableMargins(TRUE);
+ m_PageSetupData -> SetMarginTopLeft(wxPoint(25, 25));
+ m_PageSetupData -> SetMarginBottomRight(wxPoint(25, 25));
+
+#if defined(__WXGTK__) || defined(__WXMOTIF__)
+ m_PrintData -> SetPrinterCommand("lpr");
+#endif
+}
+
+
+
+wxHtmlEasyPrinting::~wxHtmlEasyPrinting()
+{
+ delete m_PrintData;
+ delete m_PageSetupData;
+}
+
+
+
+void wxHtmlEasyPrinting::PreviewFile(const wxString &htmlfile)
+{
+ wxHtmlPrintout *p1 = CreatePrintout();
+ p1 -> SetHtmlFile(htmlfile);
+ wxHtmlPrintout *p2 = CreatePrintout();
+ p2 -> SetHtmlFile(htmlfile);
+ DoPreview(p1, p2);
+}
+
+
+
+void wxHtmlEasyPrinting::PreviewText(const wxString &htmltext, const wxString &basepath)
+{
+ wxHtmlPrintout *p1 = CreatePrintout();
+ p1 -> SetHtmlText(htmltext, basepath, TRUE);
+ wxHtmlPrintout *p2 = CreatePrintout();
+ p2 -> SetHtmlText(htmltext, basepath, TRUE);
+ DoPreview(p1, p2);
+}
+
+
+
+void wxHtmlEasyPrinting::PrintFile(const wxString &htmlfile)
+{
+ wxHtmlPrintout *p = CreatePrintout();
+ p -> SetHtmlFile(htmlfile);
+ DoPrint(p);
+}
+
+
+
+void wxHtmlEasyPrinting::PrintText(const wxString &htmltext, const wxString &basepath)
+{
+ wxHtmlPrintout *p = CreatePrintout();
+ p -> SetHtmlText(htmltext, basepath, TRUE);
+ DoPrint(p);
+}
+
+
+
+void wxHtmlEasyPrinting::DoPreview(wxHtmlPrintout *printout1, wxHtmlPrintout *printout2)
+{
+ // Pass two printout objects: for preview, and possible printing.
+ wxPrintDialogData printDialogData(*m_PrintData);
+ wxPrintPreview *preview = new wxPrintPreview(printout1, printout2, &printDialogData);
+ if (!preview -> Ok()) {
+ delete preview;
+ wxMessageBox(_("There was a problem previewing.\nPerhaps your current printer is not set correctly?"), _("Previewing"), wxOK);
+ }
+
+ else {
+ wxPreviewFrame *frame = new wxPreviewFrame(preview, m_Frame,
+ m_Name + _(" Preview"),
+ wxPoint(100, 100), wxSize(500, 500));
+ frame -> Centre(wxBOTH);
+ frame -> Initialize();
+ frame -> Show(TRUE);
+ }
+}
+
+
+
+void wxHtmlEasyPrinting::DoPrint(wxHtmlPrintout *printout)
+{
+ wxPrintDialogData printDialogData(*m_PrintData);
+ wxPrinter printer(&printDialogData);
+
+ if (!printer.Print(m_Frame, printout, TRUE))
+ wxMessageBox(_("There was a problem printing.\nPerhaps your current printer is not set correctly?"), _("Printing"), wxOK);
+ else
+ (*m_PrintData) = printer.GetPrintDialogData().GetPrintData();
+}
+
+
+
+void wxHtmlEasyPrinting::PrinterSetup()
+{
+ wxPrintDialogData printDialogData(*m_PrintData);
+ wxPrintDialog printerDialog(m_Frame, &printDialogData);
+
+ printerDialog.GetPrintDialogData().SetSetupDialog(TRUE);
+
+ if (printerDialog.ShowModal() == wxID_OK)
+ (*m_PrintData) = printerDialog.GetPrintDialogData().GetPrintData();
+}
+
+
+
+void wxHtmlEasyPrinting::PageSetup()
+{
+ m_PageSetupData -> SetPrintData(*m_PrintData);
+ wxPageSetupDialog pageSetupDialog(m_Frame, m_PageSetupData);
+
+ if (pageSetupDialog.ShowModal() == wxID_OK) {
+ (*m_PrintData) = pageSetupDialog.GetPageSetupData().GetPrintData();
+ (*m_PageSetupData) = pageSetupDialog.GetPageSetupData();
+ }
+}
+
+
+
+void wxHtmlEasyPrinting::SetHeader(const wxString& header, int pg)
+{
+ if (pg == wxPAGE_ALL || pg == wxPAGE_EVEN)
+ m_Headers[0] = header;
+ if (pg == wxPAGE_ALL || pg == wxPAGE_ODD)
+ m_Headers[1] = header;
+}
+
+
+
+void wxHtmlEasyPrinting::SetFooter(const wxString& footer, int pg)
+{
+ if (pg == wxPAGE_ALL || pg == wxPAGE_EVEN)
+ m_Footers[0] = footer;
+ if (pg == wxPAGE_ALL || pg == wxPAGE_ODD)
+ m_Footers[1] = footer;
+}
+
+
+
+wxHtmlPrintout *wxHtmlEasyPrinting::CreatePrintout()
+{
+ wxHtmlPrintout *p = new wxHtmlPrintout(m_Name);
+
+ p -> SetHeader(m_Headers[0], wxPAGE_EVEN);
+ p -> SetHeader(m_Headers[1], wxPAGE_ODD);
+ p -> SetFooter(m_Footers[0], wxPAGE_EVEN);
+ p -> SetFooter(m_Footers[1], wxPAGE_ODD);
+
+ p -> SetMargins(m_PageSetupData -> GetMarginTopLeft().y,
+ m_PageSetupData -> GetMarginBottomRight().y,
+ m_PageSetupData -> GetMarginTopLeft().x,
+ m_PageSetupData -> GetMarginBottomRight().x);
+
+ return p;
+}
+
+
+
+#endif // wxUSE_PRINTING_ARCHITECTURE
projects / wxWidgets.git / commitdiff
