1999-10-17 09:03:40 -04:00
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/////////////////////////////////////////////////////////////////////////////
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// Name: htmprint.h
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// Purpose: html printing classes
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// Author: Vaclav Slavik
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// Created: 25/09/99
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// RCS-ID: $Id$
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// Copyright: (c)
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// Licence: wxWindows licence
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/////////////////////////////////////////////////////////////////////////////
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#ifndef _WX_HTMPRINT_H_
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#define _WX_HTMPRINT_H_
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#ifdef __GNUG__
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2001-04-29 13:57:59 -04:00
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#pragma interface "htmprint.h"
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#endif
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2002-01-06 10:40:15 -05:00
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#include "wx/defs.h"
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1999-10-17 09:03:40 -04:00
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1999-10-18 11:14:52 -04:00
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#if wxUSE_HTML & wxUSE_PRINTING_ARCHITECTURE
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1999-10-17 09:03:40 -04:00
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#include "wx/html/htmlcell.h"
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#include "wx/html/winpars.h"
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#include "wx/print.h"
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#include "wx/printdlg.h"
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//--------------------------------------------------------------------------------
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// wxHtmlDCRenderer
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// This class is capable of rendering HTML into specified
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// portion of DC
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//--------------------------------------------------------------------------------
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1999-10-18 11:14:52 -04:00
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class WXDLLEXPORT wxHtmlDCRenderer : public wxObject
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{
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public:
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wxHtmlDCRenderer();
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~wxHtmlDCRenderer();
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// Following 3 methods *must* be called before any call to Render:
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// Asign DC to this render
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void SetDC(wxDC *dc, double pixel_scale = 1.0);
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// Sets size of output rectangle, in pixels. Note that you *can't* change
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// width of the rectangle between calls to Render! (You can freely change height.)
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void SetSize(int width, int height);
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// Sets the text to be displayed.
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// Basepath is base directory (html string would be stored there if it was in
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// file). It is used to determine path for loading images, for example.
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// isdir is FALSE if basepath is filename, TRUE if it is directory name
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// (see wxFileSystem for detailed explanation)
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void SetHtmlText(const wxString& html, const wxString& basepath = wxEmptyString, bool isdir = TRUE);
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// [x,y] is position of upper-left corner of printing rectangle (see SetSize)
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// from is y-coordinate of the very first visible cell
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// Returned value is y coordinate of first cell than didn't fit onto page.
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// Use this value as 'from' in next call to Render in order to print multiple pages
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// document
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// If dont_render is TRUE then nothing is rendered into DC and it only counts
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// pixels and return y coord of the next page
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//
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// CAUTION! Render() changes DC's user scale and does NOT restore it!
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int Render(int x, int y, int from = 0, int dont_render = FALSE);
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// returns total height of the html document
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// (compare Render's return value with this)
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int GetTotalHeight();
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private:
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wxDC *m_DC;
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wxHtmlWinParser *m_Parser;
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wxFileSystem *m_FS;
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wxHtmlContainerCell *m_Cells;
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int m_MaxWidth, m_Width, m_Height;
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};
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enum {
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wxPAGE_ODD,
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wxPAGE_EVEN,
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wxPAGE_ALL
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};
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//--------------------------------------------------------------------------------
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// wxHtmlPrintout
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// This class is derived from standard wxWindows printout class
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// and is used to print HTML documents.
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//--------------------------------------------------------------------------------
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1999-10-18 11:14:52 -04:00
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class WXDLLEXPORT wxHtmlPrintout : public wxPrintout
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{
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public:
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wxHtmlPrintout(const wxString& title = "Printout");
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~wxHtmlPrintout();
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void SetHtmlText(const wxString& html, const wxString &basepath = wxEmptyString, bool isdir = TRUE);
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// prepares the class for printing this html document.
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// Must be called before using the class, in fact just after constructor
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//
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// basepath is base directory (html string would be stored there if it was in
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// file). It is used to determine path for loading images, for example.
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// isdir is FALSE if basepath is filename, TRUE if it is directory name
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// (see wxFileSystem for detailed explanation)
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void SetHtmlFile(const wxString &htmlfile);
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// same as SetHtmlText except that it takes regular file as the parameter
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void SetHeader(const wxString& header, int pg = wxPAGE_ALL);
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void SetFooter(const wxString& footer, int pg = wxPAGE_ALL);
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// sets header/footer for the document. The argument is interpreted as HTML document.
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// You can use macros in it:
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// @PAGENUM@ is replaced by page number
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// @PAGESCNT@ is replaced by total number of pages
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//
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// pg is one of wxPAGE_ODD, wxPAGE_EVEN and wx_PAGE_ALL constants.
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// You can set different header/footer for odd and even pages
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void SetMargins(float top = 25.2, float bottom = 25.2, float left = 25.2, float right = 25.2,
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float spaces = 5);
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// sets margins in milimeters. Defaults to 1 inch for margins and 0.5cm for space
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// between text and header and/or footer
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// wxPrintout stuff:
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bool OnPrintPage(int page);
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bool HasPage(int page);
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void GetPageInfo(int *minPage, int *maxPage, int *selPageFrom, int *selPageTo);
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bool OnBeginDocument(int startPage, int endPage);
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private:
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void RenderPage(wxDC *dc, int page);
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// renders one page into dc
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wxString TranslateHeader(const wxString& instr, int page);
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// substitute @PAGENUM@ and @PAGESCNT@ by real values
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void CountPages();
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// counts pages and fills m_NumPages and m_PageBreaks
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private:
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int m_NumPages;
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int m_PageBreaks[wxHTML_PRINT_MAX_PAGES];
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wxString m_Document, m_BasePath;
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bool m_BasePathIsDir;
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wxString m_Headers[2], m_Footers[2];
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int m_HeaderHeight, m_FooterHeight;
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wxHtmlDCRenderer *m_Renderer, *m_RendererHdr;
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float m_MarginTop, m_MarginBottom, m_MarginLeft, m_MarginRight, m_MarginSpace;
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};
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//--------------------------------------------------------------------------------
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// wxHtmlEasyPrinting
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// This class provides very simple interface to printing
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// architecture. It allows you to print HTML documents only
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// with very few commands.
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//
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// Note : do not create this class on stack only.
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// You should create an instance on app startup and
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// use this instance for all printing. Why? The class
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// stores page&printer settings in it.
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//--------------------------------------------------------------------------------
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1999-10-18 11:14:52 -04:00
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class WXDLLEXPORT wxHtmlEasyPrinting : public wxObject
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{
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public:
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wxHtmlEasyPrinting(const wxString& name = "Printing", wxFrame *parent_frame = NULL);
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~wxHtmlEasyPrinting();
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bool PreviewFile(const wxString &htmlfile);
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bool PreviewText(const wxString &htmltext, const wxString& basepath = wxEmptyString);
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// Preview file / html-text for printing
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// (and offers printing)
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// basepath is base directory for opening subsequent files (e.g. from <img> tag)
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bool PrintFile(const wxString &htmlfile);
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bool PrintText(const wxString &htmltext, const wxString& basepath = wxEmptyString);
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// Print file / html-text w/o preview
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void PrinterSetup();
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void PageSetup();
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// pop up printer or page setup dialog
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void SetHeader(const wxString& header, int pg = wxPAGE_ALL);
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void SetFooter(const wxString& footer, int pg = wxPAGE_ALL);
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// sets header/footer for the document. The argument is interpreted as HTML document.
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// You can use macros in it:
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// @PAGENUM@ is replaced by page number
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// @PAGESCNT@ is replaced by total number of pages
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//
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// pg is one of wxPAGE_ODD, wxPAGE_EVEN and wx_PAGE_ALL constants.
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// You can set different header/footer for odd and even pages
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wxPrintData *GetPrintData() {return m_PrintData;}
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wxPageSetupDialogData *GetPageSetupData() {return m_PageSetupData;}
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// return page setting data objects.
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// (You can set their parameters.)
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protected:
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virtual wxHtmlPrintout *CreatePrintout();
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virtual bool DoPreview(wxHtmlPrintout *printout1, wxHtmlPrintout *printout2);
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virtual bool DoPrint(wxHtmlPrintout *printout);
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private:
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wxPrintData *m_PrintData;
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wxPageSetupDialogData *m_PageSetupData;
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wxString m_Name;
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wxString m_Headers[2], m_Footers[2];
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wxFrame *m_Frame;
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};
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1999-10-18 11:14:52 -04:00
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#endif // wxUSE_HTML & wxUSE_PRINTING_ARCHITECTURE
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1999-10-17 09:03:40 -04:00
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#endif // _WX_HTMPRINT_H_
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