Handles HTML output (only) for wx.richtext.RichTextCtrl content.
The most flexible way to use this class is to create a temporary object and call its functions directly, rather than use wx.richtext.RichTextBuffer.SaveFile or wx.richtext.RichTextCtrl.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 specify the handler flag wx.richtext.RICHTEXT_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 HTML compatibility, you will need to use RICHTEXT_HANDLER_SAVE_IMAGES_TO_MEMORY or RICHTEXT_HANDLER_SAVE_IMAGES_TO_FILES .
In this case, you must either call wx.richtext.RichTextHTMLHandler.DeleteTemporaryImages before the next load operation, or you must store the image locations and delete them yourself when appropriate.
You can call wx.richtext.RichTextHTMLHandler.GetTemporaryImageLocations to get the array of temporary image names.
The following flags can be used with this handler, via the handlerâs SetFlags function or the buffer or controlâs SetHandlerFlags() function:
wx.richtext.RICHTEXT_HANDLER_SAVE_IMAGES_TO_MEMORY Images are saved to the memory filesystem: suitable for showing HTML windows.
wx.richtext.RICHTEXT_HANDLER_SAVE_IMAGES_TO_FILES Images are saved to temporary files: suitable for showing in HTML windows.
wx.richtext.RICHTEXT_HANDLER_SAVE_IMAGES_TO_BASE64 Images are written with the HTML files in Base 64 format: suitable for showing in web browsers.
wx.richtext.RICHTEXT_HANDLER_NO_HEADER_FOOTER Donât include header and footer tags (HTML, HEAD, BODY), so that the HTML can be used as part of a larger document.
wx.richtext.RICHTEXT_HANDLER_USE_CSS Use CSS where possible, otherwise use workarounds that will show in wx.html.HtmlWindow.
Inheritance diagram for class
RichTextHTMLHandler:
Methods Summary¶ Properties Summary¶ Class API¶Possible constructors:
RichTextHTMLHandler(name="HTML", ext="html", type=RICHTEXT_TYPE_HTML) ->
None
Handles HTML output (only) for RichTextCtrl content.
Constructor.
name (string)
ext (string)
type (int)
None
Clears the image locations generated by the last operation.
None
DeleteTemporaryImages (self)
Deletes the in-memory or temporary files generated by the last operation.
bool
DeleteTemporaryImages (flags, imageLocations)
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.
flags (int)
imageLocations (list of strings)
bool
Returns the mapping for converting point sizes to HTML font sizes.
List[int]
Returns the directory used to store temporary image files.
str
Returns the image locations for the last operation.
List[str]
Reset the file counter, in case, for example, the same names are required each time.
counter (int)
None
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. For example:
fontSizeMapping = [7, 9, 11, 12, 14, 22, 100] htmlHandler.SetFontSizeMapping(fontSizeMapping)
fontSizeMapping (list of integers)
None
Sets the directory for storing temporary files.
If empty, the system temporary directory will be used.
tempDir (string)
None
Sets the list of image locations generated by the last operation.
locations (list of strings)
None
See GetFontSizeMapping and SetFontSizeMapping
See GetTempDir and SetTempDir
See GetTemporaryImageLocations and SetTemporaryImageLocations
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