cstester - a tool for testing loading and painting of documents

[Jaroslaw Staniek]

On 19 January 2011 09:59, Inge Wallin <inge at lysator.liu.se> wrote:
> On Wednesday, January 19, 2011 05:37:40 Thorsten Zachmann wrote:
>> Hello,
>>
>> On Tuesday, January 18, 2011 14:17:00 Ganesh Paramasivam wrote:
>> > Just a thought ( If this tool development is still in a early phase ).
>> >
>> > Wouldn't this be easier with PDF instead of JPG. PDF ( If I'm right )
>> > is nothing but a description of the layout data and handling PDF is
>> > more programming friendly ( i.e there are enough libraries available
>> > to read PDF ) than JPG's.
>>
>> the tool stores pngs. Storing pdfs would be also an option. However it has
>> the same problems as storing as pngs so there is no real benefit.
>>
>> The comarison of the imgae is very easy it is just a QByteArray ==
>> QByteArray. There is nothing more used there. Not sure if it is as eays
>> with PDF as there might be meta data which differes.
>
> If you are all right with the fact that the slightest little pixel change will
> make the test fail.  I think for this to be feasible, we have to allow a
> certain small amount of differences.

Yeah, how about as a first step would, disable antialiasing in
painters just for cstester? Then the algorithm allowing for small
differences perhaps could be easier to define.

-- 
regards / pozdrawiam, Jaroslaw Staniek
 http://www.linkedin.com/in/jstaniek
 Kexi & Calligra (kexi-project.org, identi.ca/kexi, calligra-suite.org)
 KDE Software Development Platform on MS Windows (windows.kde.org)