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From Tilman Hausherr <THaush...@t-online.de>
Subject Re: Is it possible to rotate annotation by certain angle ?
Date Mon, 01 May 2017 12:07:25 GMT
Am 01.05.2017 um 14:05 schrieb Sushant:
>
>
> On 01-05-2017 17:30, Tilman Hausherr wrote:
>> Am 01.05.2017 um 13:55 schrieb Sushant:
>>>
>>> On 01-05-2017 16:54, Tilman Hausherr wrote:
>>>> Am 01.05.2017 um 13:04 schrieb Sushant:
>>>>> Thanks Tilman for quick response.
>>>>>
>>>>> So it means that if the noRotate flag is set to false, annotation 
>>>>> will also rotate if page is rotated ?
>>>>>
>>>>> I tried this, I added a external stamp on a pdf using Adobe 
>>>>> Acrobat Reader DC, In my code i set the annotation flag setNoRoate 
>>>>> to false(By default also it was false), rotated the page with 
>>>>> pdfbox with 90  but the annotation didn't rotate.
>>>>
>>>> It depends what rotation. What you describe is relevant to page 
>>>> rotations, not rotations in the content stream.
>>> Sushant : yes it is relevant to page rotations only as content 
>>> stream doesn't do anything with annotation. I tried with page 
>>> rotation only.
>>>>
>>>> Also, when reading the specification earlier today, I saw this:
>>>>
>>>> "Text annotations shall not scale and rotate with the page; they 
>>>> shall behave as if the NoZoom and NoRotate annotation flags (see 
>>>> Table 165) were always set."
>>>>
>>> Sushant : I also saw this, but one thing is always making me wonder 
>>> that how the annotation is getting rotated when i rotate with 
>>> AdobeAcrobatReader Dc and also with PDFRotator tool.
>>
>> That is something completely different, this is rendering (where 
>> rendering annotations is not fully implented). Maybe clarify whether 
>> your question is about creating a PDF or about rendering a PDF with 
>> PDFBox.
> It is about rendering a PDF with PDFBox , I  am doing manipulation 
> with existing pdf.

In that case, all you can do is to rotate a PDPage object, and decide 
whether or not you want to  also rotate the annotation with the norotate 
flag.

Tilman



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