/////////////////////////////////////////////////////////////////////////////
-// 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 "htmprint.h"
-#endif
-
#include "wx/defs.h"
#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 WXDLLEXPORT wxHtmlDCRenderer : public wxObject
+class WXDLLIMPEXP_HTML wxHtmlDCRenderer : public wxObject
{
public:
wxHtmlDCRenderer();
- ~wxHtmlDCRenderer();
+ virtual ~wxHtmlDCRenderer();
// Following 3 methods *must* be called before any call to Render:
- // Asign DC to this render
- void SetDC(wxDC *dc, double pixel_scale = 1.0);
+ // 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.)
// 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
+ // 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);
+ 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
+ // 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
//
- // CAUTION! Render() changes DC's user scale and does NOT restore it!
- int Render(int x, int y, int from = 0, int dont_render = FALSE);
+ // 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();
+ int GetTotalHeight() const;
private:
wxDC *m_DC;
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 WXDLLEXPORT wxHtmlPrintout : public wxPrintout
+class WXDLLIMPEXP_HTML wxHtmlPrintout : public wxPrintout
{
public:
- wxHtmlPrintout(const wxString& title = "Printout");
- ~wxHtmlPrintout();
+ wxHtmlPrintout(const wxString& title = wxT("Printout"));
+ virtual ~wxHtmlPrintout();
- void SetHtmlText(const wxString& html, const wxString &basepath = wxEmptyString, bool isdir = TRUE);
+ 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
+ // isdir is false if basepath is filename, true if it is directory name
// (see wxFileSystem for detailed explanation)
void SetHtmlFile(const wxString &htmlfile);
// 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,
+ // 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:
+ // 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
private:
int m_NumPages;
- int m_PageBreaks[wxHTML_PRINT_MAX_PAGES];
+ wxArrayInt m_PageBreaks;
wxString m_Document, m_BasePath;
bool m_BasePathIsDir;
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 WXDLLEXPORT wxHtmlEasyPrinting : public wxObject
+class WXDLLIMPEXP_HTML wxHtmlEasyPrinting : public wxObject
{
public:
- wxHtmlEasyPrinting(const wxString& name = "Printing", wxFrame *parent_frame = NULL);
- ~wxHtmlEasyPrinting();
+ 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);
bool 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
// 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;}
+ 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.
+ // return page setting data objects.
// (You can set their parameters.)
-protected:
+ 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);
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];
- wxFrame *m_Frame;
+ wxWindow *m_ParentWindow;
+
+ wxDECLARE_NO_COPY_CLASS(wxHtmlEasyPrinting);
};
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