/////////////////////////////////////////////////////////////////////////////
-// Name: htmprint.h
+// Name: wx/html/htmprint.h
// Purpose: html printing classes
// Author: Vaclav Slavik
// Created: 25/09/99
// RCS-ID: $Id$
-// Copyright: (c)
+// Copyright: (c) Vaclav Slavik
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#ifndef _WX_HTMPRINT_H_
#define _WX_HTMPRINT_H_
-#ifdef __GNUG__
-#pragma interface
-#endif
+#include "wx/defs.h"
-#include <wx/defs.h>
-
-#if wxUSE_PRINTING_ARCHITECTURE
+#if wxUSE_HTML & wxUSE_PRINTING_ARCHITECTURE
#include "wx/html/htmlcell.h"
#include "wx/html/winpars.h"
+#include "wx/html/htmlfilt.h"
#include "wx/print.h"
#include "wx/printdlg.h"
+#include <limits.h> // INT_MAX
//--------------------------------------------------------------------------------
// wxHtmlDCRenderer
-// This class is capable of rendering HTML into specified
+// This class is capable of rendering HTML into specified
// portion of DC
//--------------------------------------------------------------------------------
-
-class wxHtmlDCRenderer : public wxObject
+class WXDLLIMPEXP_HTML wxHtmlDCRenderer : public wxObject
{
- public:
- wxHtmlDCRenderer();
- ~wxHtmlDCRenderer();
-
- // Following 3 methods *must* be called before any call to Render:
- void SetDC(wxDC *dc, int maxwidth);
- // asign DC to this render
- // maxwidth is width of area (on this DC) that is equivalent to screen's width, in pixels
- // (you should set it to page width minus margins)
- // Also see SetSize
- void SetSize(int width, int height);
- // sets size of output rectangle, in pixels. Note that you *can't* change
- // width of the rectangle between calls to Render! (You can freely change height.)
- // If you set width = maxwidth then HTML is rendered as if it were displayed in fullscreen.
- // If you set width = 1/2 maxwidth the it is rendered as if it covered half the screen
- // and so on..
- void SetHtmlText(const wxString& html, const wxString& basepath = wxEmptyString, bool isdir = TRUE);
- // sets the text to be displayed
- //
- // basepath is base directory (html string would be stored there if it was in
- // file). It is used to determine path for loading images, for example.
- // isdir is FALSE if basepath is filename, TRUE if it is directory name
- // (see wxFileSystem for detailed explanation)
-
- int Render(int x, int y, int from = 0, int dont_render = FALSE);
- // [x,y] is position of upper-left corner of printing rectangle (see SetSize)
- // from is y-coordinate of the very first visible cell
- // Returned value is y coordinate of first cell than didn't fit onto page.
- // Use this value as 'from' in next call to Render in order to print multiple pages
- // document
- // If dont_render is TRUE then nothing is rendered into DC and it only counts
- // pixels and return y coord of the next page
- //
- // CAUTION! Render() changes DC's user scale and does NOT restore it!
-
- int GetTotalHeight();
- // returns total height of the html document
- // (compare Render's return value with this)
-
- private:
-
- wxDC *m_DC;
- wxHtmlWinParser *m_Parser;
- wxFileSystem *m_FS;
- wxHtmlContainerCell *m_Cells;
- int m_MaxWidth, m_Width, m_Height;
- double m_Scale;
+public:
+ wxHtmlDCRenderer();
+ virtual ~wxHtmlDCRenderer();
+
+ // Following 3 methods *must* be called before any call to Render:
+
+ // Assign DC to this render
+ void SetDC(wxDC *dc, double pixel_scale = 1.0)
+ { SetDC(dc, pixel_scale, pixel_scale); }
+ void SetDC(wxDC *dc, double pixel_scale, double font_scale);
+
+ // Sets size of output rectangle, in pixels. Note that you *can't* change
+ // width of the rectangle between calls to Render! (You can freely change height.)
+ void SetSize(int width, int height);
+
+ // Sets the text to be displayed.
+ // Basepath is base directory (html string would be stored there if it was in
+ // file). It is used to determine path for loading images, for example.
+ // isdir is false if basepath is filename, true if it is directory name
+ // (see wxFileSystem for detailed explanation)
+ void SetHtmlText(const wxString& html, const wxString& basepath = wxEmptyString, bool isdir = true);
+
+ // Sets fonts to be used when displaying HTML page. (if size null then default sizes used).
+ void SetFonts(const wxString& normal_face, const wxString& fixed_face, const int *sizes = NULL);
+
+ // Sets font sizes to be relative to the given size or the system
+ // default size; use either specified or default font
+ void SetStandardFonts(int size = -1,
+ const wxString& normal_face = wxEmptyString,
+ const wxString& fixed_face = wxEmptyString);
+
+ // [x,y] is position of upper-left corner of printing rectangle (see SetSize)
+ // from is y-coordinate of the very first visible cell
+ // to is y-coordinate of the next following page break, if any
+ // Returned value is y coordinate of first cell than didn't fit onto page.
+ // Use this value as 'from' in next call to Render in order to print multiple pages
+ // document
+ // If dont_render is TRUE then nothing is rendered into DC and it only counts
+ // pixels and return y coord of the next page
+ //
+ // known_pagebreaks and number_of_pages are used only when counting pages;
+ // otherwise, their default values should be used. Their purpose is to
+ // support pagebreaks using a subset of CSS2's <DIV>. The <DIV> handler
+ // needs to know what pagebreaks have already been set so that it doesn't
+ // set the same pagebreak twice.
+ //
+ // CAUTION! Render() changes DC's user scale and does NOT restore it!
+ int Render(int x, int y, wxArrayInt& known_pagebreaks, int from = 0,
+ int dont_render = false, int to = INT_MAX);
+
+ // returns total width of the html document
+ int GetTotalWidth() const;
+
+ // returns total height of the html document
+ // (compare Render's return value with this)
+ int GetTotalHeight() const;
+
+private:
+ wxDC *m_DC;
+ wxHtmlWinParser *m_Parser;
+ wxFileSystem *m_FS;
+ wxHtmlContainerCell *m_Cells;
+ int m_MaxWidth, m_Width, m_Height;
+
+ wxDECLARE_NO_COPY_CLASS(wxHtmlDCRenderer);
};
//--------------------------------------------------------------------------------
// wxHtmlPrintout
-// This class is derived from standard wxWindows printout class
+// This class is derived from standard wxWidgets printout class
// and is used to print HTML documents.
//--------------------------------------------------------------------------------
-class wxHtmlPrintout : public wxPrintout
+class WXDLLIMPEXP_HTML wxHtmlPrintout : public wxPrintout
{
- public:
- wxHtmlPrintout(const wxString& title = "Printout");
- ~wxHtmlPrintout();
-
- void SetHtmlText(const wxString& html, const wxString &basepath = wxEmptyString, bool isdir = TRUE);
- // prepares the class for printing this html document.
- // Must be called before using the class, in fact just after constructor
- //
- // basepath is base directory (html string would be stored there if it was in
- // file). It is used to determine path for loading images, for example.
- // isdir is FALSE if basepath is filename, TRUE if it is directory name
- // (see wxFileSystem for detailed explanation)
-
- void SetHtmlFile(const wxString &htmlfile);
- // same as SetHtmlText except that it takes regular file as the parameter
-
- void SetHeader(const wxString& header, int pg = wxPAGE_ALL);
- void SetFooter(const wxString& footer, int pg = wxPAGE_ALL);
- // sets header/footer for the document. The argument is interpreted as HTML document.
- // You can use macros in it:
- // @PAGENUM@ is replaced by page number
- // @PAGESCNT@ is replaced by total number of pages
- //
- // pg is one of wxPAGE_ODD, wxPAGE_EVEN and wx_PAGE_ALL constants.
- // You can set different header/footer for odd and even pages
-
- void SetMargins(float top = 25.2, float bottom = 25.2, float left = 25.2, float right = 25.2,
- float spaces = 5);
- // sets margins in milimeters. Defaults to 1 inch for margins and 0.5cm for space
- // between text and header and/or footer
-
- // wxPrintout stuff:
- bool OnPrintPage(int page);
- bool HasPage(int page);
- void GetPageInfo(int *minPage, int *maxPage, int *selPageFrom, int *selPageTo);
- void OnBeginPrinting();
-
- private:
-
- void RenderPage(wxDC *dc, int page);
- // renders one page into dc
- wxString TranslateHeader(const wxString& instr, int page);
- // substitute @PAGENUM@ and @PAGESCNT@ by real values
- void CountPages();
- // counts pages and fills m_NumPages and m_PageBreaks
-
-
- private:
- int m_NumPages;
- int m_PageBreaks[wxHTML_PRINT_MAX_PAGES];
-
- wxString m_Document, m_BasePath;
- bool m_BasePathIsDir;
- wxString m_Headers[2], m_Footers[2];
-
- int m_HeaderHeight, m_FooterHeight;
- wxHtmlDCRenderer *m_Renderer, *m_RendererHdr;
- float m_MarginTop, m_MarginBottom, m_MarginLeft, m_MarginRight, m_MarginSpace;
+public:
+ wxHtmlPrintout(const wxString& title = wxT("Printout"));
+ virtual ~wxHtmlPrintout();
+
+ void SetHtmlText(const wxString& html, const wxString &basepath = wxEmptyString, bool isdir = true);
+ // prepares the class for printing this html document.
+ // Must be called before using the class, in fact just after constructor
+ //
+ // basepath is base directory (html string would be stored there if it was in
+ // file). It is used to determine path for loading images, for example.
+ // isdir is false if basepath is filename, true if it is directory name
+ // (see wxFileSystem for detailed explanation)
+
+ void SetHtmlFile(const wxString &htmlfile);
+ // same as SetHtmlText except that it takes regular file as the parameter
+
+ void SetHeader(const wxString& header, int pg = wxPAGE_ALL);
+ void SetFooter(const wxString& footer, int pg = wxPAGE_ALL);
+ // sets header/footer for the document. The argument is interpreted as HTML document.
+ // You can use macros in it:
+ // @PAGENUM@ is replaced by page number
+ // @PAGESCNT@ is replaced by total number of pages
+ //
+ // pg is one of wxPAGE_ODD, wxPAGE_EVEN and wx_PAGE_ALL constants.
+ // You can set different header/footer for odd and even pages
+
+ // Sets fonts to be used when displaying HTML page. (if size null then default sizes used).
+ void SetFonts(const wxString& normal_face, const wxString& fixed_face, const int *sizes = NULL);
+
+ // Sets font sizes to be relative to the given size or the system
+ // default size; use either specified or default font
+ void SetStandardFonts(int size = -1,
+ const wxString& normal_face = wxEmptyString,
+ const wxString& fixed_face = wxEmptyString);
+
+ void SetMargins(float top = 25.2, float bottom = 25.2, float left = 25.2, float right = 25.2,
+ float spaces = 5);
+ // sets margins in milimeters. Defaults to 1 inch for margins and 0.5cm for space
+ // between text and header and/or footer
+
+ // wxPrintout stuff:
+ bool OnPrintPage(int page);
+ bool HasPage(int page);
+ void GetPageInfo(int *minPage, int *maxPage, int *selPageFrom, int *selPageTo);
+ bool OnBeginDocument(int startPage, int endPage);
+ void OnPreparePrinting();
+
+ // Adds input filter
+ static void AddFilter(wxHtmlFilter *filter);
+
+ // Cleanup
+ static void CleanUpStatics();
+
+private:
+ // this function is called by the base class OnPreparePrinting()
+ // implementation and by default checks whether the document fits into
+ // pageArea horizontally and warns the user if it does not and, if we're
+ // going to print and not just to preview the document, giving him the
+ // possibility to cancel printing
+ //
+ // you may override it to either suppress this check if truncation of the
+ // HTML being printed is acceptable or, on the contrary, add more checks to
+ // it, e.g. for the fit in the vertical direction if the document should
+ // always appear on a single page
+ //
+ // return true if printing should go ahead or false to cancel it (the
+ // return value is ignored when previewing)
+ virtual bool CheckFit(const wxSize& pageArea, const wxSize& docArea) const;
+
+ void RenderPage(wxDC *dc, int page);
+ // renders one page into dc
+ wxString TranslateHeader(const wxString& instr, int page);
+ // substitute @PAGENUM@ and @PAGESCNT@ by real values
+ void CountPages();
+ // counts pages and fills m_NumPages and m_PageBreaks
+
+
+private:
+ int m_NumPages;
+ wxArrayInt m_PageBreaks;
+
+ wxString m_Document, m_BasePath;
+ bool m_BasePathIsDir;
+ wxString m_Headers[2], m_Footers[2];
+
+ int m_HeaderHeight, m_FooterHeight;
+ wxHtmlDCRenderer *m_Renderer, *m_RendererHdr;
+ float m_MarginTop, m_MarginBottom, m_MarginLeft, m_MarginRight, m_MarginSpace;
+
+ // list of HTML filters
+ static wxList m_Filters;
+
+ wxDECLARE_NO_COPY_CLASS(wxHtmlPrintout);
};
//--------------------------------------------------------------------------------
// wxHtmlEasyPrinting
-// This class provides very simple interface to printing
+// This class provides very simple interface to printing
// architecture. It allows you to print HTML documents only
-// with very few commands.
+// with very few commands.
//
// Note : do not create this class on stack only.
-// You should create an instance on app startup and
+// You should create an instance on app startup and
// use this instance for all printing. Why? The class
// stores page&printer settings in it.
//--------------------------------------------------------------------------------
-class wxHtmlEasyPrinting : public wxObject
+class WXDLLIMPEXP_HTML wxHtmlEasyPrinting : public wxObject
{
- public:
-
- wxHtmlEasyPrinting(const wxString& name = "Printing", wxFrame *parent_frame = NULL);
- ~wxHtmlEasyPrinting();
-
- void PreviewFile(const wxString &htmlfile);
- void PreviewText(const wxString &htmltext, const wxString& basepath = wxEmptyString);
- // Preview file / html-text for printing
- // (and offers printing)
- // basepath is base directory for opening subsequent files (e.g. from <img> tag)
-
- void PrintFile(const wxString &htmlfile);
- void PrintText(const wxString &htmltext, const wxString& basepath = wxEmptyString);
- // Print file / html-text w/o preview
-
- void PrinterSetup();
- void PageSetup();
- // pop up printer or page setup dialog
-
- void SetHeader(const wxString& header, int pg = wxPAGE_ALL);
- void SetFooter(const wxString& footer, int pg = wxPAGE_ALL);
- // sets header/footer for the document. The argument is interpreted as HTML document.
- // You can use macros in it:
- // @PAGENUM@ is replaced by page number
- // @PAGESCNT@ is replaced by total number of pages
- //
- // pg is one of wxPAGE_ODD, wxPAGE_EVEN and wx_PAGE_ALL constants.
- // You can set different header/footer for odd and even pages
-
- wxPrintData *GetPrintData() {return m_PrintData;}
- wxPageSetupDialogData *GetPageSetupData() {return m_PageSetupData;}
- // return page setting data objects.
- // (You can set their parameters.)
-
- private:
-
- wxHtmlPrintout *CreatePrintout();
- void DoPreview(wxHtmlPrintout *printout1, wxHtmlPrintout *printout2);
- void DoPrint(wxHtmlPrintout *printout);
-
- wxPrintData *m_PrintData;
- wxPageSetupDialogData *m_PageSetupData;
- wxString m_Name;
- wxString m_Headers[2], m_Footers[2];
- wxFrame *m_Frame;
+public:
+ wxHtmlEasyPrinting(const wxString& name = wxT("Printing"), wxWindow *parentWindow = NULL);
+ virtual ~wxHtmlEasyPrinting();
+
+ bool PreviewFile(const wxString &htmlfile);
+ bool PreviewText(const wxString &htmltext, const wxString& basepath = wxEmptyString);
+ // Preview file / html-text for printing
+ // (and offers printing)
+ // basepath is base directory for opening subsequent files (e.g. from <img> tag)
+
+ bool PrintFile(const wxString &htmlfile);
+ bool PrintText(const wxString &htmltext, const wxString& basepath = wxEmptyString);
+ // Print file / html-text w/o preview
+
+ void PageSetup();
+ // pop up printer or page setup dialog
+
+ void SetHeader(const wxString& header, int pg = wxPAGE_ALL);
+ void SetFooter(const wxString& footer, int pg = wxPAGE_ALL);
+ // sets header/footer for the document. The argument is interpreted as HTML document.
+ // You can use macros in it:
+ // @PAGENUM@ is replaced by page number
+ // @PAGESCNT@ is replaced by total number of pages
+ //
+ // pg is one of wxPAGE_ODD, wxPAGE_EVEN and wx_PAGE_ALL constants.
+ // You can set different header/footer for odd and even pages
+
+ void SetFonts(const wxString& normal_face, const wxString& fixed_face, const int *sizes = 0);
+ // Sets fonts to be used when displaying HTML page. (if size null then default sizes used)
+
+ // Sets font sizes to be relative to the given size or the system
+ // default size; use either specified or default font
+ void SetStandardFonts(int size = -1,
+ const wxString& normal_face = wxEmptyString,
+ const wxString& fixed_face = wxEmptyString);
+
+ wxPrintData *GetPrintData();
+ wxPageSetupDialogData *GetPageSetupData() {return m_PageSetupData;}
+ // return page setting data objects.
+ // (You can set their parameters.)
+
+ wxWindow* GetParentWindow() const { return m_ParentWindow; }
+ // get the parent window
+ void SetParentWindow(wxWindow* window) { m_ParentWindow = window; }
+ // set the parent window
+
+ const wxString& GetName() const { return m_Name; }
+ // get the printout name
+ void SetName(const wxString& name) { m_Name = name; }
+ // set the printout name
+
+protected:
+ virtual wxHtmlPrintout *CreatePrintout();
+ virtual bool DoPreview(wxHtmlPrintout *printout1, wxHtmlPrintout *printout2);
+ virtual bool DoPrint(wxHtmlPrintout *printout);
+
+private:
+ wxPrintData *m_PrintData;
+ wxPageSetupDialogData *m_PageSetupData;
+ wxString m_Name;
+ int m_FontsSizesArr[7];
+ int *m_FontsSizes;
+ wxString m_FontFaceFixed, m_FontFaceNormal;
+
+ enum FontMode
+ {
+ FontMode_Explicit,
+ FontMode_Standard
+ };
+ FontMode m_fontMode;
+
+ wxString m_Headers[2], m_Footers[2];
+ wxWindow *m_ParentWindow;
+
+ wxDECLARE_NO_COPY_CLASS(wxHtmlEasyPrinting);
};
-#endif // wxUSE_PRINTING_ARCHITECTURE
+#endif // wxUSE_HTML & wxUSE_PRINTING_ARCHITECTURE
#endif // _WX_HTMPRINT_H_
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