John Cupitt

> There is something evil in this particular pdf file. It does look like some kind of odd corner case I agree.

I see: ``` $ G_MESSAGES_DEBUG=all vipsthumbnail test1.pdf[n=2] -o /tmp/test.jpg VIPS-INFO: 15:57:13.811: VIPSHOME = /home/john/vips VIPS-INFO: 15:57:13.811: VIPS_PREFIX = /home/john/vips VIPS-INFO: 15:57:13.811: VIPS_LIBDIR = /home/john/vips/lib VIPS-INFO: 15:57:13.811: prefix = /home/john/vips VIPS-INFO:...

I tried with libvips 8.12 as well and that also worked. I'd try updating your libpoppler.

Hi @barraemme, It looks like this is a 16-bit image, but imagemagick7 is reporting `image->depth` as 8 bit. There must be some other parameter we need to correctly determine image...

Hi @egrazor, This sounds difficult to reproduce, unfortunately. Can you share a sample file? How large are these PDFs in pixels? What do you see with: ``` vipsheader something.pdf[dpi=150] ```...

Thanks for the test file. I tried with your first one like this: ``` $ for i in {1..100}; do echo loop $i; rm -rf x*; vips dzsave b0.pdf[dpi=150] x...

Hello, I could have a stab at one of these if you could post sample before-after images of the desired effect, or point me at the imagemagick command line that...

I had a stab at swirl in python (should be easy to adapt to C++): ```python #!/usr/bin/python3 import math import sys import pyvips original = pyvips.Image.new_from_file(sys.argv[1]) # stretch the image...

You need php-vips 2.0.3 (latest stable). It does not require a dll for the binding.

Just install php-vips 2.0.3 with composer in the usual way, it should all work. You might need to adjust your PATH so that it can see `libvips-42.dll`, and of course...