[poppler] Arthur Backend

[Mihai Niculescu]

On 06/11/2013 08:19 PM, Albert Astals Cid wrote:
> El Dimarts, 11 de juny de 2013, a les 08:19:34, Mihai Niculescu va escriure:
>> On 06/11/2013 12:56 AM, Albert Astals Cid wrote:
>>> El Dilluns, 10 de juny de 2013, a les 23:39:26, Mihai Niculescu va
> escriure:
>>>> On 06/10/2013 09:13 PM, Mihai Niculescu wrote:
>>>>> On 06/10/2013 08:32 PM, Albert Astals Cid wrote:
>>>>>> El Dilluns, 3 de juny de 2013, a les 09:41:41, Mihai Niculescu va
>>>>>>
>>>>>> escriure:
>>>>>>> Hi,
>>>>>>>
>>>>>>> I am working on Arthur backend and did some changes for the backend
>>>>>>> not
>>>>>>> to use Splash, but only Qt and QPainter.
>>>>>>> Right now, the backend can render very good PDF files with the
>>>>>>> exceptions:
>>>>>>> - does not render non-latin characters
>>>>>>> - does not render multiple resolutions
>>>>>> BTW, are you aware we are releasing a new verison really soon and
>>>>>> that if you
>>>>>> want your changes in you should send your patches *now*?
>>>>>>
>>>>>> Cheers,
>>>>>>
>>>>>>      Albert
>>>>> Hi,
>>>>>
>>>>> I didnt use git, so I must get the trunk from git, apply the
>>>>> modifications and create the patch and later I'll send you the patch.
>>>>> I hope it is not too late.
>>>>>
>>>>> Cheers,
>>>>> Mihai
>>>> I attached the patch file. This patch removes any code in Arthur's dev
>>>> that is dependent on Splash. It also sets a transparent background for
>>>> the page - this feature is what I need a lot. A user can set manually
>>>> the background color by himself in a QWidget/QImage. Maybe a better
>>>> approach is to set it to the color of the document. I'll look into this
>>>> in the future.
>>>>
>>>> As mentioned above, my tests showed that it can not display non-latin
>>>> chars and also it displays only at a single resolution.
>>> I'll try have a look before the feature freeze (in two weeks) but someone
>>> else other than Mihai doing some testing/code review would be awesome.
>>>
>>> Cheers,
>>>
>>>     Albert
>> I think I wasn't clear enough about the patch with one thing, so let me
>> give a better explanation. It can render a PDF page correctly only when
>> not setting any resolution, like this :
>> page->renderToPainter(&painter);
>>
>> So, testing the patch with demos/poppler_qt4viewer will not render
>> correctly. Instead, you should test it with the example I have attached
>> now. To compile it, you need to set the POPPLER variable from
>> testPoppler-Arthur.pro
> Oh, so it's more a work in progress thing than a finished thing, right?
>
> If so we can wait for the next release then.
>
> Cheers,
>    Albert

Since it has the issues presented above, I do not recommend to use it in 
production. But I think it would be helpful for other devs who want to 
improve the Arthur backend.

>> Cheers,
>> Mihai
>>
>>>> Cheers,
>>>> Mihai
>>>>
>>>>>>> These are the only problems I found. Are you interested in these
>>>>>>> changes
>>>>>>> and how can I add these to git repo?
>>>>>>> Also, I am thinking of modifying the wrapper to also support Qt5 but I
>>>>>>> dont know how to  modify the build system (configure, makefiles) to
>>>>>>> search for Qt5/Qt4, set libraries and moc accordingly and to set a
>>>>>>> global variable to use it in the code in order to know which code to
>>>>>>> enable:
>>>>>>> #ifdef QT5_VERSION
>>>>>>>
>>>>>>> or something like this. If someone can help me with this, than I'll
>>>>>>> make
>>>>>>> poppler-qt4 support even Qt5.
>>>>>>>
>>>>>>> Cheers,
>>>>>>> Mihai
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