X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/6f02a879ed7efc5fcf6328ff47a1352ec82812b7..058f225a44d83d42ba9d773efc705badbf0e5e3c:/include/wx/richtext/richtexthtml.h diff --git a/include/wx/richtext/richtexthtml.h b/include/wx/richtext/richtexthtml.h index 7f93c00a91..dee3f7091f 100644 --- a/include/wx/richtext/richtexthtml.h +++ b/include/wx/richtext/richtexthtml.h @@ -1,5 +1,5 @@ ///////////////////////////////////////////////////////////////////////////// -// Name: wx/richtext/richedithtml.h +// Name: wx/richtext/richtexthtml.h // Purpose: HTML I/O for wxRichTextCtrl // Author: Julian Smart // Modified by: @@ -22,13 +22,11 @@ * wxRichTextHTMLHandler */ -class WXDLLIMPEXP_ADV wxRichTextHTMLHandler: public wxRichTextFileHandler +class WXDLLIMPEXP_RICHTEXT wxRichTextHTMLHandler: public wxRichTextFileHandler { DECLARE_CLASS(wxRichTextHTMLHandler) public: - wxRichTextHTMLHandler(const wxString& name = wxT("HTML"), const wxString& ext = wxT("html"), int type = wxRICHTEXT_TYPE_HTML) - : wxRichTextFileHandler(name, ext, type) - { } + wxRichTextHTMLHandler(const wxString& name = wxT("HTML"), const wxString& ext = wxT("html"), int type = wxRICHTEXT_TYPE_HTML); /// Can we save using this handler? virtual bool CanSave() const { return true; } @@ -39,17 +37,108 @@ public: /// Can we handle this filename (if using files)? By default, checks the extension. virtual bool CanHandle(const wxString& filename) const; - /// Output character formatting - virtual void OutputCharacterFormatting(const wxTextAttrEx& currentStyle, const wxTextAttrEx& thisStyle, wxOutputStream& stream, bool start); +// Accessors and operations unique to this handler - /// Output paragraph formatting - virtual void OutputParagraphFormatting(const wxTextAttrEx& currentStyle, const wxTextAttrEx& thisStyle, wxOutputStream& stream, bool start); + /// Set and get the list of image locations generated by the last operation + void SetTemporaryImageLocations(const wxArrayString& locations) { m_imageLocations = locations; } + const wxArrayString& GetTemporaryImageLocations() const { return m_imageLocations; } + + /// Clear the image locations generated by the last operation + void ClearTemporaryImageLocations() { m_imageLocations.Clear(); } + + /// Delete the in-memory or temporary files generated by the last operation + bool DeleteTemporaryImages(); + + /// Delete the in-memory or temporary files generated by the last operation. This is a static + /// function that can be used to delete the saved locations from an earlier operation, + /// for example after the user has viewed the HTML file. + static bool DeleteTemporaryImages(int flags, const wxArrayString& imageLocations); + + /// Reset the file counter, in case, for example, the same names are required each time + static void SetFileCounter(int counter) { sm_fileCounter = counter; } + + /// Set and get the directory for storing temporary files. If empty, the system + /// temporary directory will be used. + void SetTempDir(const wxString& tempDir) { m_tempDir = tempDir; } + const wxString& GetTempDir() const { return m_tempDir; } + + /// Set and get mapping from point size to HTML font size. There should be 7 elements, + /// one for each HTML font size, each element specifying the maximum point size for that + /// HTML font size. E.g. 8, 10, 13, 17, 22, 29, 100 + void SetFontSizeMapping(const wxArrayInt& fontSizeMapping) { m_fontSizeMapping = fontSizeMapping; } + wxArrayInt GetFontSizeMapping() const { return m_fontSizeMapping; } protected: + +// Implementation + #if wxUSE_STREAMS virtual bool DoLoadFile(wxRichTextBuffer *buffer, wxInputStream& stream); virtual bool DoSaveFile(wxRichTextBuffer *buffer, wxOutputStream& stream); + + /// Output character formatting + void BeginCharacterFormatting(const wxTextAttr& currentStyle, const wxTextAttr& thisStyle, const wxTextAttr& paraStyle, wxTextOutputStream& stream ); + void EndCharacterFormatting(const wxTextAttr& currentStyle, const wxTextAttr& thisStyle, const wxTextAttr& paraStyle, wxTextOutputStream& stream ); + + /// Output paragraph formatting + void BeginParagraphFormatting(const wxTextAttr& currentStyle, const wxTextAttr& thisStyle, wxTextOutputStream& stream); + void EndParagraphFormatting(const wxTextAttr& currentStyle, const wxTextAttr& thisStyle, wxTextOutputStream& stream); + + /// Output font tag + void OutputFont(const wxTextAttr& style, wxTextOutputStream& stream); + + /// Closes lists to level (-1 means close all) + void CloseLists(int level, wxTextOutputStream& str); + + /// Writes an image to its base64 equivalent, or to the memory filesystem, or to a file + void WriteImage(wxRichTextImage* image, wxOutputStream& stream); + + /// Converts from pt to size property compatible height + long PtToSize(long size); + + /// Typical base64 encoder + wxChar* b64enc(unsigned char* input, size_t in_len); + + /// Gets the mime type of the given wxBITMAP_TYPE + const wxChar* GetMimeType(int imageType); + + /// Gets the html equivalent of the specified value + wxString GetAlignment(const wxTextAttr& thisStyle); + + /// Generates   array for indentations + wxString SymbolicIndent(long indent); + + /// Finds the html equivalent of the specified bullet + int TypeOfList(const wxTextAttr& thisStyle, wxString& tag); #endif + +// Data members + + wxRichTextBuffer* m_buffer; + + /// Indentation values of the table tags + wxArrayInt m_indents; + + /// Stack of list types: 0 = ol, 1 = ul + wxArrayInt m_listTypes; + + /// Is there any opened font tag? + bool m_font; + + /// Are we in a table? + bool m_inTable; + + /// A list of the image files or in-memory images created by the last operation. + wxArrayString m_imageLocations; + + /// A location for the temporary files + wxString m_tempDir; + + /// A mapping from point size to HTML font size + wxArrayInt m_fontSizeMapping; + + /// A counter for generating filenames + static int sm_fileCounter; }; #endif