From that page: (emphasis mine)
A paint device for rendering TO A PDF.
That class is used for CREATING a PDF - not CONVERTING a PDF to HTML.
Leonard
On 9/7/11 9:11 AM, "Alec Taylor" <alec.tayl...@gmail.com> wrote:
>On Wed, Sep 7, 2011 at 8:43 PM, Leonard Rosenthol <lrose...@adobe.com>
>wrote:
>> Wt doesn't support converting a PDF->HTML, so how would you "display the
>> PDF in the browser w/o a client-side plugin".
>>
>To answer your question, I would use this class:
>http://www.webtoolkit.eu/wt/doc/reference/html/classWt_1_1WPdfImage.html
>>
>> Since a PDF doesn't have a concept of a "page header" or "page footer",
>> you will need to extract all the content on the page (or pages) and make
>> some heuristic determination about what content meets your criteria.
>>
>> When you say TOC - do you mean a displayed TOC on a page _OR_ the PDF
>> equivalent called "Bookmarks" or "Outlines"?? In the latter case, as
>>Dom
>> explianed, you can easily obtain these with PoDoFo - but in the former
>>you
>> will also have to analyze the content yourself.
>>
>> Leonard
>>
>> On 9/7/11 4:54 AM, "Alec Taylor" <alec.tayl...@gmail.com> wrote:
>>
>>>Thanks for the speedy response.
>>>
>>>No need to worry about the web-frontend, seems like Wt already has
>>>libraries which implement that functionality.
>>>
>>>"The PDF file header can be analysed with PoDoFo. PoDoFo does not give
>>>you direct access to headers and footers on pages in the PDF. This
>>>will require analysis of the pages content streams, which is possible
>>>using PoDoFo but no trivial task."
>>>
>>>Is there some example code?
>>>
>>>"Adding links to a PDF is no problem using PoDoFo."
>>>
>>>Excellent. Can you provide the reference?
>>>
>>>Thanks again for all your help,
>>>
>>>Alec Taylor
>>>
>>>On Wed, Sep 7, 2011 at 6:43 PM, Dominik Seichter
>>><domseich...@googlemail.com> wrote:
>>>> Hi Alec,
>>>>
>>>>> The features (although not limited to this) is to:
>>>>> € Allow users to upload PDFs
>>>>> € PDFs are analysed by the system, gathering information on headers,
>>>>> footers & Table of Contents using my custom algorithms
>>>> Analysis of PDF files is be possible with PoDoFo. Access to the table
>>>> of contents as in PDF outline structure is easy.
>>>> I am not sure what you mean with "headers and footers". The PDF file
>>>> header can be analysed with PoDoFo. PoDoFo does not give you direct
>>>> access to headers and footers on pages in the PDF. This will require
>>>> analysis of the pages content streams, which is possible using PoDoFo
>>>> but no trivial task.
>>>>
>>>>> € PDFs ToC are annotated with hyperlinks
>>>> Adding links to a PDF is no problem using PoDoFo.
>>>>
>>>>> € PDFs are then ready for display in browser (without need for a
>>>>> client-side PDF plugin)
>>>> This would require rendering of the PDF to HTML? PoDoFo does not
>>>> provide rendering support. For rendering poppler is a better choice.
>>>>
>>>> Best regards,
>>>> Dom
>>>>
>>>>
>>>>
>>>> On Wed, Sep 7, 2011 at 9:52 AM, Alec Taylor <alec.tayl...@gmail.com>
>>>>wrote:
>>>>> Good afternoon,
>>>>>
>>>>> I'm completing a project for analysing and displaying PDFs.
>>>>>
>>>>> The project will have a web-frontend implemented in Wt.
>>>>>
>>>>> The features (although not limited to this) is to:
>>>>> € Allow users to upload PDFs
>>>>> € PDFs are analysed by the system, gathering information on headers,
>>>>> footers & Table of Contents using my custom algorithms
>>>>> € PDFs ToC are annotated with hyperlinks
>>>>> € PDFs are then ready for display in browser (without need for a
>>>>> client-side PDF plugin)
>>>>>
>>>>> Are the PoDoFo PDF libraries the best open-source libraries for this
>>>>> task? - If not, can you recommend another?
>>>>>
>>>>> Thanks for all suggestions,
>>>>>
>>>>> Alec Taylor
>>>>>
>>>>>
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>>
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Using storage to extend the benefits of virtualization and iSCSI
Virtualization increases hardware utilization and delivers a new level of
agility. Learn what those decisions are and how to modernize your storage
and backup environments for virtualization.
http://www.accelacomm.com/jaw/sfnl/114/51434361/
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