[Digikam-users] How to stop "watermark" reducing the size of the pictures?

[cerp]

No, digikam still reduces the pictures from 4.8Mb to 1.8 Mb, with the  
consequent loss of quality / details. It happens not only when I apply  
watermark but any other batch tool.

Quoting Jan Wolter <jan.wolter at uni-paderborn.de>:

> Yes, thats true. Does this settings have a positive impact to the  
> quality of your edited pictures?
>
> On 08/28/2014 12:11 PM, cerp wrote:
>>
>> Dear Jan,
>>
>> I have set JPEG quality = 100 and chroma sub sampling = none, that  
>> should be maximum quality correct?
>>
>>
>>
>> Quoting Jan Wolter <jan.wolter at uni-paderborn.de>:
>>
>>> Hello,
>>>
>>> I guess that your images are generally (independent from the added  
>>> watermark) not saved with maximal quality. Check your settings  
>>> under menu Settings -> Configure digiKam -> Saving Images.
>>>
>>> Best regards,
>>> Jan
>>>
>>> On 08/28/2014 09:43 AM, cerp wrote:
>>>> Dear all,
>>>>
>>>> We use the watermark function to add the copyright in the bottom  
>>>> right corner of the pictures.
>>>>
>>>> The pictures are taken using in camera jpeg generation, which  
>>>> normally has very high quality.
>>>>
>>>> When we watermark in digikam, it reduces the size of the jpeg  
>>>> file from approximately 4Mb to 1.8Mb with a considerable loss of  
>>>> quality. We have tried setting all the parameters we could think,  
>>>> but without being able to stop this behavior. What I would like  
>>>> is the original picture with the watermark saved at the same  
>>>> resolution without additional compression  .... how do I achieve  
>>>> it?
>>>>
>>>> Thanks for your help.
>>>>
>>>> Regards
>>>>
>>>> Corrado & Rina
>>>>
>>>>
>>>> r
>>>>
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>>
>>
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