<troll>
whenever I see unnecessary full quotes like this I know why
top posting is the right thing to do :-)-O
</troll>
el
On 15/11/2018 06:32, Baris Erkus wrote:
>
>
> On 14-Nov-18 11:36 PM, Stephan Witt wrote:
>> Am 12.11.2018 um 18:53 schrieb Baris Erkus <[email protected]>:
>>> On 11/12/2018 4:36 PM, Stephan Witt wrote:
>>>> Am 12.11.2018 um 14:03 schrieb Stephen Buonopane <[email protected]>:
>>>>>> On Nov 12, 2018, at 7:52 AM, Baris Erkus <[email protected]> wrote:
>>>>>>
>>>>>> On 12-Nov-18 3:38 PM, Kornel Benko wrote:
>>>>>>> Am Montag, 12. November 2018 13:21:58 CET schrieb Daniel
>>>>>>> <[email protected]>:
>>>>>>>> On 11/11/2018 19:14, Paul A. Rubin wrote:
>>>>>>>>> On 11/10/18 9:45 PM, Baris Erkus wrote:
>>>>>>>>>> Hello,
>>>>>>>>>>
>>>>>>>>>> PDF graphics appears to be blurred in LyX when scaled from Graphics
>>>>>>>>>> Options --> LaTeX and LyX options --> Show in LyX --> Scale on
>>>>>>>>>> Screen.
>>>>>>>>>>
>>>>>>>>>> I am not sure if this is a feature to reduce CPU rendering workload
>>>>>>>>>> or
>>>>>>>>>> smtg, but it would be really nice to have a clear view of the PDF
>>>>>>>>>> while working on the document rather than looking at it using a PDF
>>>>>>>>>> viewer.
>>>>>>>>>>
>>>>>>>>>> See MWE and the view from LyX below.
>>>>>>>>>>
>>>>>>>>>> Baris
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>> The image in your PDF file is a bitmap (PNG), so I don't hold out much
>>>>>>>>> hope for being able to zoom it without loss of fidelity.
>>>>>>>> Why do you think the graphic in the PDF is a bitmap? I have zoomed in
>>>>>>>> on
>>>>>>>> it and never got any pixels to see. At least it must be an extremely
>>>>>>>> high resolution bitmap then.
>>>>>>>>
>>>>>>>> Daniel
>>>>>>>>
>>>>>>> Because PNG format is bitmap?
>>>>>>> PNG image data, 652 x 668, 8-bit/color RGB, non-interlaced
>>>>>>>
>>>>>>> Kornel
>>>>>>>
>>>>>> The external graphics is in PDF, which is attached to the original
>>>>>> e-mail; it was generated in Tikz, so it is a vector graphics. No
>>>>>> question about it. When inserted into LyX, maybe LyX creates a
>>>>>> temporary bitmap or PNG file to show to the user, I am not sure.
>>>>>>
>>>>>> It should not be a big thing to show a higher resolution graphics or to
>>>>>> let the user decide for possible performance issues. One day I will be
>>>>>> doing all these small modification by myself, but when that I do not
>>>>>> know... :-)
>>>>>>
>>>>>> Baris
>>>>> Yes LyX creates a PNG file for the on-screen preview within LyX (It also
>>>>> does this for the math preview)
>>>>> If you dig into the LyX temp directory you will find all of the PNG files.
>>>>>
>>>>> I recall that an older version of LyX (on Mac) did not use PNG for
>>>>> on-screen previews, in which case it may be possible to revert to the
>>>>> older behavior even in 2.3.X?
>>>> There are fundamental differences between the handling of SVG and PDF
>>>> files in LyX.
>>>>
>>>> LyX is using Qt plugins to render the images on screen.
>>>>
>>>> For PDF files one has to convert them to temporary bitmap files because
>>>> there is no plugin to render them directly. (Perhaps this is not true
>>>> anymore.) For SVG files there is a plugin. But this one is limited in
>>>> functionality. There was a decision to not use it for on-screen display
>>>> because of the complaints regarding missing details.
>>>>
>>>> The problem with the temporary images is the fixed resolution of the
>>>> generated images. The used cache is not invalidated in case of higher
>>>> preview zoom levels. Furthermore you can have different resolutions at
>>>> runtime too. In case of a machine with multiple monitors with different
>>>> physical resolutions you get different values for moving the LyX window
>>>> around.
>>>>
>>>> Stephan
>>> This makes sense. Do you think it is reasonable that I put this as a
>>> wish to the tracker?
>> I think it’s already there… but couldn’t find it ATM.
>>
>> Stephan
>
> I opened a ticket as a request...
>
> https://www.lyx.org/trac/ticket/11379
>
>
>
