Created attachment 76011 [details]
Attach .svg is incredibly slow to resize and rescale. Appears to me to be much faster in 3.6.5
caolanm->thb: any suggestions ?
Getting lots of
#5 0x00007ffff0dbbce1 in XGetImage () from /usr/lib64/libX11.so.6
#6 0x00007fffe6378691 in X11SalBitmap::ImplCreateDIB(unsigned long, SalX11Screen, long, long, long, long, long, bool) () from /build/tdf/libo-work/solver/unxlngx6.pro/installation/opt/program/libvclplug_genlo.so
#7 0x00007fffe6379241 in X11SalBitmap::AcquireBuffer(bool) () from /build/tdf/libo-work/solver/unxlngx6.pro/installation/opt/program/libvclplug_genlo.so
#8 0x00007ffff363b371 in BitmapReadAccess::ImplCreate(Bitmap&) () from /build/tdf/libo-work/solver/unxlngx6.pro/installation/opt/program/libvcllo.so
#9 0x00007ffff363b6b4 in BitmapReadAccess::BitmapReadAccess(Bitmap&) () from /build/tdf/libo-work/solver/unxlngx6.pro/installation/opt/program/libvcllo.so
#10 0x00007ffff3631319 in Bitmap::AcquireReadAccess() () from /build/tdf/libo-work/solver/unxlngx6.pro/installation/opt/program/libvcllo.so
#11 0x00007ffff3623a7d in Bitmap::ImplMakeGreyscales(unsigned short) () from /build/tdf/libo-work/solver/unxlngx6.pro/installation/opt/program/libvcllo.so
#12 0x00007ffff362599d in Bitmap::Convert(BmpConversion) () from /build/tdf/libo-work/solver/unxlngx6.pro/installation/opt/program/libvcllo.so
#13 0x00007ffff361bbac in AlphaMask::AlphaMask(Bitmap const&) () from /build/tdf/libo-work/solver/unxlngx6.pro/installation/opt/program/libvcllo.so
#14 0x00007ffff248a242 in drawinglayer::impBufferDevice::paint (this=0x7fffffff6580, fTrans=0) at /build/tdf/libo-work/drawinglayer/source/processor2d/vclhelperbufferdevice.cxx:301
#15 0x00007ffff249e33a in drawinglayer::processor2d::VclProcessor2D::RenderTransparencePrimitive2D (this=0x242eac0, rTransCandidate=...) at /build/tdf/libo-work/drawinglayer/source/processor2d/vclprocessor2d.cxx:1050
here - all called from VclProcessor2D::RenderMaskPrimitive2DPixel. Rendering to a bitmap, then getting the content, converting it to an alpha mask. Extra-slow when going via X server...
I can confirm this bug on 18.104.22.168 pre-release / Ubuntu 12.04.2 LTS but not on LO 22.214.171.124.
General SVG display performance seems to have drastically decreased with 4.x. See here for a related bugreport:
(In reply to comment #0)
> Created attachment 76011 [details]
> sample svg
> Attach .svg is incredibly slow to resize and rescale. Appears to me to be
> much faster in 3.6.5
Look at bug 62461 please
I can confirm this issue with 126.96.36.199 on Fedora i686.
The performance of svg, as well as other images (especially big-size images and/or when they are in big documents) is very poor.
The issue (very slow scrolling with svg images) is still there with LibreOffice 188.8.131.52 on Ubuntu 15.10.
- same issue with or without OpenGL rendering
- a bit faster with antialiasing disabled, but still slow
Testing resize of inserted SVG in writer: the speed is equal in 3.6 and 5.4.
Please give it more testing and close as WORKSFORME, if you agree.
Arch Linux 64-bit, KDE Plasma 5
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Built on December 28th 2016
Arch Linux 64-bit
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Version: 220.127.116.11.alpha0+ (x64)
Build ID: 0f25a3c36f27fd51453b9a9115f236b83c143684
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Bug not reproducible in version