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From chengjh <chen...@apache.org>
Subject Re: [Review|Discussion]Numbering&Bullets Attributes Interoperability and Para End Mark
Date Fri, 24 Aug 2012 03:30:55 GMT
For no comments received,I assume the solution is accepted by
default..committed with revision:1376818,thanks.

On Wed, Aug 22, 2012 at 10:45 AM, chengjh <chengjh@apache.org> wrote:

> Hi
>
> I would like to provide our solution of the issue described in [1]
> https://issues.apache.org/ooo/show_bug.cgi?id=119405 .You are welcome to
> review and comment the fix patch [2]
> https://issues.apache.org/ooo/attachment.cgi?id=79015&action=diff before
> I commit the code changes into trunk.Thanks in advance.
>
> *Problem Description:*
> To some MS Word binary documents, the numbering and bullets looks same in
> MS Word,but their attributes,such as the font size,font style,font
> color..., will be different after being launched into Aoo Writer.They are
> obvious fidelity issues.Please refer to the samples attached in test cases.
>
> *Root Cause Analysis:*
> As we know,MS Word provides the paragraph end mark,which is used broadly
> to distinguish the attributes of text contents,attributes of paragraph and
> the methods to handling flying objects anchoring,and so on..In this thread,
> we will not outspread it,and will only focus on its impact on the numbering
> and bullets attributes.In MS Word,there are two kinds of attributes that
> will determine the final result of numbering and bullets applied to a
> paragraph.One is the attribute that is applied to the whole text contents
> of a paragraph;The other is the attribute that is applied to the paragraph
> end mark,presented with 0x0D in MS Word binary document. Moreover, the
> latter has higher priority than the former.Because Aoo Writer doesn't
> support the same kind of paragraph end mark, the attributes of 0x0D will be
> lost during loading a MS Word Binary document. At that time,the default
> attributes of Aoo Writer will apply to the numbering and bullets instead of
> the actual attributes of paragraph end mark.Thus, to the numbering and
> bullets whose attributes are determined by the  paragraph end mark, the
> fidelity will have problems.That's the reason.
>
> *Solution:*
> When parsing the attributes of paragraph end mark(0x0D),the attributes
> will be extended and set to the character style binding to the given level
> of a number rule.Thus,the attributes of MS Word's paragraph end mark will
> apply to the numbering and bullets in Aoo Writer successfully to keep the
> fidelity.
>
> *Negative Impact:*
> Although most common user scenarios can be met by the solution,there are
> still negative impacts for missing the equal paragraph end mark in Aoo
> Writer.Because the attributes of paragraph end mark(0x0D) will be set to
> the character style binding to the given level of a number rule,it will
> have the global impact..Other paragraphs that are applied with the same
> number rule's level will also be changed.Please refer to the Test Case 6,
> the color of the bullet will be changed finally. Generally, MS Word users
> will have their numbering/bullets the same attributes/style when using the
> same level's of number rule,correspondingly,the impacted scenarios are
> rarely.
>
> *Test Cases for The Patch:*
> [1]https://issues.apache.org/ooo/attachment.cgi?id=79017&action=edit
> [2]https://issues.apache.org/ooo/attachment.cgi?id=79018&action=edit
> [3]https://issues.apache.org/ooo/attachment.cgi?id=79019&action=edit
> [4]https://issues.apache.org/ooo/attachment.cgi?id=79020&action=edit
> [5]https://issues.apache.org/ooo/attachment.cgi?id=79021&action=edit
> [6]https://issues.apache.org/ooo/attachment.cgi?id=79022&action=edit
>
> *PVT Test Result for the Patch:*
> [1]https://issues.apache.org/ooo/attachment.cgi?id=79045&action=edit
> --
>
> Best Regards,Jianhong Cheng
>
>


-- 

Best Regards,Jianhong Cheng

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