Re: RichView Package 1.8
From: Sergey Tkachenko (svt_at_trichview.com)
Date: 10/30/03
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Date: Thu, 30 Oct 2003 16:27:59 +0300
The source of my knowledge about WPTools is only your exe-demo and the web
site.
I know you read this newsgroup and you can correct me if I posted some wrong
information about WPTools features. I did not intend to be agressive, as you
can see I listed not only advantages of TRichView over WPTools but also vice
versa. But I want to say thanks for all my supporters :)
Besides, I supposed that it would be an entertaining reading.
Unfortunately, you demo does not allow me to test WPTools' bidirected and
Unicode features. It looks like they are disabled in it. At least when
pasting Unicode symbols from MS Word or from TRichView, your demo inserts
??? or nothing, and selection does not work well in arabic text.
As for my compiled demos, bidirected features (including mixed RTL and LTR
text) can be tested in
http://www.trichview.com/rvfiles/rtl.zip (in other exe-demos they are
disabled). I admit that it does not provide thorough bidirected support with
multiple (>2) levels of nesting of texts of different directions (I have
some doubts that WPTools offers that as well), but mixing of RTL and LTR
text on the same line is supported.
Your site states that WPtools Unicode support requires WinNT. Hmm....
Does it mean that Unicode documents will contain ???? when editing under
Win95-98-ME?
About MS Word-like selection. If some users do not like the current style
of selection in TRichView, there is an option to make it more MS Word-like
(TRVStyle.SelectionStyle, screenshot is in the help file). Besides,
TRichView supports line-selection and smart word-selection with mouse (I
cannot see these features in WPTools demo).
As for the programming model. TRichView does not use a character buffer with
special functions for iterating it. Its document model is more like in
TListBox or similar components: a document consists of items of different
types (text, images, tables, etc.). They are indexed, their properties can
be get/set using their index. For some tasks (not for all, of course) it is
more convenient than character buffer, and allows to save memory when
editing large documents (because attributes are stored not for all
characters but for items (a group of characters))
I do not thinks that it's necessary to comment all the listed features. Some
of them are supported by TRichView directly, some of them via alternative
features, some are unsupported yet.
-- Sergey Tkachenko svt@trichview.com http://www.trichview.com > Hi, > > >Is this similar to WPTools? > > WPTools uses a different approach to work with the text than > TRichView. WPTools sees the text as a chained list of paragraphs and
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