X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/ae3c17b4013e80b99976c750c19fca47729517f6..7344108e8a129a3f9b4df5ab0f98a1713db03b89:/interface/wx/richtext/richtexthtml.h?ds=inline diff --git a/interface/wx/richtext/richtexthtml.h b/interface/wx/richtext/richtexthtml.h index 99e51abe0f..f347288f80 100644 --- a/interface/wx/richtext/richtexthtml.h +++ b/interface/wx/richtext/richtexthtml.h @@ -3,12 +3,11 @@ // Purpose: interface of wxRichTextHTMLHandler // Author: wxWidgets team // RCS-ID: $Id$ -// Licence: wxWindows license +// Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// /** @class wxRichTextHTMLHandler - @headerfile richtexthtml.h wx/richtext/richtexthtml.h Handles HTML output (only) for wxRichTextCtrl content. @@ -17,21 +16,42 @@ wxRichTextCtrl::SaveFile. Image handling requires a little extra work from the application, to choose an - appropriate image format for the target HTML viewer and to clean up the - temporary images - later. If you are planning to load the HTML into a standard web browser, you can + appropriate image format for the target HTML viewer and to clean up the temporary + images later. + If you are planning to load the HTML into a standard web browser, you can specify the handler flag wxRICHTEXT_HANDLER_SAVE_IMAGES_TO_BASE64 (the default) and no extra work is required: the images will be written with the HTML. However, if you want wxHTML compatibility, you will need to use - wxRICHTEXT_HANDLER_SAVE_IMAGES_TO_MEMORY - or wxRICHTEXT_HANDLER_SAVE_IMAGES_TO_FILES. In this case, you must either call - wxRichTextHTMLHandler::DeleteTemporaryImages before - the next load operation, or you must store the image - locations and delete them yourself when appropriate. You can call - wxRichTextHTMLHandler::GetTemporaryImageLocations to + @c wxRICHTEXT_HANDLER_SAVE_IMAGES_TO_MEMORY or + @c wxRICHTEXT_HANDLER_SAVE_IMAGES_TO_FILES. + + In this case, you must either call wxRichTextHTMLHandler::DeleteTemporaryImages + before the next load operation, or you must store the image locations and + delete them yourself when appropriate. + + You can call wxRichTextHTMLHandler::GetTemporaryImageLocations to get the array of temporary image names. + + @section richtexthtmlhandler_flags Handler flags + + The following flags can be used with this handler, via the handler's SetFlags() + function or the buffer or control's SetHandlerFlags() function: + + - wxRICHTEXT_HANDLER_SAVE_IMAGES_TO_MEMORY + Images are saved to the memory filesystem: suitable for showing wxHTML windows. + - wxRICHTEXT_HANDLER_SAVE_IMAGES_TO_FILES + Images are saved to temporary files: suitable for showing in wxHTML windows. + - wxRICHTEXT_HANDLER_SAVE_IMAGES_TO_BASE64 + Images are written with the HTML files in Base 64 format: suitable for showing + in web browsers. + - wxRICHTEXT_HANDLER_NO_HEADER_FOOTER + Don't include header and footer tags (HTML, HEAD, BODY), so that the HTML + can be used as part of a larger document. + - wxRICHTEXT_HANDLER_USE_CSS + Use CSS where possible, otherwise use workarounds that will show in wxHtmlWindow. + @library{wxrichtext} @category{richtext} */ @@ -39,67 +59,75 @@ class wxRichTextHTMLHandler : public wxRichTextFileHandler { public: /** - , wxString&@e ext = wxT("html"), @b int@e type = wxRICHTEXT_TYPE_HTML) Constructor. */ - wxRichTextHTMLHandler() const; + wxRichTextHTMLHandler(const wxString& name = "HTML", + const wxString& ext = "html", + int type = wxRICHTEXT_TYPE_HTML); /** Clears the image locations generated by the last operation. */ void ClearTemporaryImageLocations(); - //@{ /** - 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. + Deletes the in-memory or temporary files generated by the last operation. */ bool DeleteTemporaryImages(); - bool DeleteTemporaryImages(int flags, - const wxArrayString& imageLocations); - //@} /** - Saves the buffer content to the HTML stream. + 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. */ - bool DoSaveFile(wxRichTextBuffer* buffer, wxOutputStream& stream); + static bool DeleteTemporaryImages(int flags, + const wxArrayString& imageLocations); /** Returns the mapping for converting point sizes to HTML font sizes. */ - wxArrayInt GetFontSizeMapping(); + wxArrayInt GetFontSizeMapping() const; /** Returns the directory used to store temporary image files. */ - const wxString GetTempDir() const; + const wxString& GetTempDir() const; /** Returns the image locations for the last operation. */ - const wxArrayString GetTemporaryImageLocations() const; + const wxArrayString& GetTemporaryImageLocations() const; /** Reset the file counter, in case, for example, the same names are required each - time + time. */ - void SetFileCounter(int counter); + static void SetFileCounter(int counter); /** Sets the mapping for converting point sizes to HTML font sizes. + There should be 7 elements, one for each HTML font size, each element - specifying the maximum point size for that - HTML font size. + specifying the maximum point size for that HTML font size. For example: + @code + wxArrayInt fontSizeMapping; + fontSizeMapping.Add(7); + fontSizeMapping.Add(9); + fontSizeMapping.Add(11); + fontSizeMapping.Add(12); + fontSizeMapping.Add(14); + fontSizeMapping.Add(22); + fontSizeMapping.Add(100); + + htmlHandler.SetFontSizeMapping(fontSizeMapping); + @endcode */ void SetFontSizeMapping(const wxArrayInt& fontSizeMapping); /** - Sets the directory for storing temporary files. If empty, the system - temporary directory will be used. + Sets the directory for storing temporary files. + If empty, the system temporary directory will be used. */ void SetTempDir(const wxString& tempDir); @@ -107,5 +135,11 @@ public: Sets the list of image locations generated by the last operation. */ void SetTemporaryImageLocations(const wxArrayString& locations); + +protected: + /** + Saves the buffer content to the HTML stream. + */ + virtual bool DoSaveFile(wxRichTextBuffer* buffer, wxOutputStream& stream); };