Printing issues

[Gehad Elrobey]

(Miika has reported) sorry for wrong punctuation.

Btw I tested the xml file and it was printed (6 dives per page) correctly
in colors and b&w.

On Mon, Aug 31, 2015 at 2:08 PM, Gehad Elrobey <gehadelrobey at gmail.com>
wrote:

>
>
> On Mon, Aug 31, 2015 at 10:56 AM, Lubomir I. Ivanov <neolit123 at gmail.com>
> wrote:
>
>> On 30 August 2015 at 21:43, Miika Turkia <miika.turkia at gmail.com> wrote:
>> > I seem to be having some trouble when trying to print preview my logs.
>> > When doing this in color, I run out of memory. And when print
>> > previewing in black and white the profile is quite interesting, as
>> > shown below (this was 6/page). I suppose there should be some special
>> > handling when printing a couple of hundred dives in one go.
>> >
>> > 60 dives works ok, but that is quit slow freezing the whole UI in the
>> > process. But the resulting profiles look OK both B&W and in color.
>> >
>>
>> i'm able to print the 200+ dives in the following divelist (attached
>> XML) fine in color, but i can get it to crash in b&w mode.
>>
>> Program received signal SIGSEGV, Segmentation fault.
>> 0x0d095a6d in QRasterPlatformPixmap::createPixmapForImage
>> (this=0x42ca8e88,
>>     sourceImage=..., flags=..., inPlace=false) at
>> image\qpixmap_raster.cpp:366
>> 366     image\qpixmap_raster.cpp: No such file or directory.
>> (gdb) bt
>> #0  0x0d095a6d in QRasterPlatformPixmap::createPixmapForImage (
>>     this=0x42ca8e88, sourceImage=..., flags=..., inPlace=false)
>>     at image\qpixmap_raster.cpp:366
>> #1  0x0d094f77 in QRasterPlatformPixmap::fromImage (this=0x42ca8e88,
>>     sourceImage=..., flags=...) at image\qpixmap_raster.cpp:139
>> #2  0x0d0950aa in QRasterPlatformPixmap::copy (this=0x42ca8e88, data=
>> ...
>>
>> #28 0x34874e9c in QWebFrame::render (this=0x3cb07990, painter=0x288b74,
>>     layer=..., clip=...) at WebKit\qt\WidgetApi\qwebframe.cpp:646
>> #29 0x00494ca3 in Printer::render (this=0x3ca5cc58, Pages=299)
>>     at C:\dev\subsurface\printer.cpp:154
>> #30 0x004957e5 in Printer::print (this=0x3ca5cc58)
>>     at C:\dev\subsurface\printer.cpp:241
>>
>> the crash is somewhere deep in Qt, but it's due to the actual
>> Printer::render().
>>
>> i also get thousand instances of these two warnings in GDB, but not in
>> the standard console:
>>
>> QFont::setPointSizeF: Point size <= 0 (0.000000), must be greater than 0
>> QTransform::fromTranslate with NaN called
>>
>> Gehad, you can check if you are allocating a lot of objects and if
>> such can be freed in the appropriate location (try re-using objects,
>> etc.), but if these are Qt memory leaks and bugs it's a much more
>> complicated situation.
>>
>> also, since we are doing some "hacks" to be able to b&w print, i'm
>> considering the proposal to remove the b&w print completely if that's
>> the only *real* problematic mode!
>> please, let me know if that's the case.
>>
>>
> Miika, has reported that the same problem took place when printing in
> colors as well, I didn't get to test the code with your xml log yet, I will
> look into this later today.
>
> --
> regards,
>
> Gehad
>
>


-- 
regards,

Gehad
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