122 lines
3.4 KiB
Plaintext
122 lines
3.4 KiB
Plaintext
Python binding
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==============
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- python startup fails with plugins in vipslib:
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Fatal Python error: can't initialise module vips
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plugin: unable to open plugin "/home/john/vips/lib/resample.plg"
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plugin: /home/john/vips/lib/resample.plg: undefined symbol: im_start_one
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do we need to build plugins with -rpath etc. and more libs?
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or do we need to make sure our python modules export all their im_ symbols?
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WONTFIX
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=======
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- can we use GraphicsMagick instead of ImageMagick?
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no: current stable GraphicsMagick is missing (at least) QuantumRange and
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GetNextImageAttribute() ... perhaps this will be fixed in 1.2
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- TIFF load/save should use meta system for unknown tags
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- balance should use new meta stuff
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- magick2vips should spot ICC profiles and attach them as meta
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- magick should set some header field for n_frames and frame_height? see also
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analyze
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- see TODO notes in openexr read (though they all need more openexr C API)
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consider openexr write
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- matrix invert is a copypaste of NR :-( fix this
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- add GREYCstoration filter
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http://www.haypocalc.com/wiki/Gimp_Plugin_GREYCstoration
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actually, it has to be a plugin, since their code is GPL
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and very memory-hungry for large images :-( needs 20x size of image to be
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processed
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could we rewrite with VIPS? how much more stuff would we need to add?
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try again using the current version of the filter from the suthors rather
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than the gimp plugin
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- im_csv2vips() could use "-" for filename to mean stdin
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but then we'd have to read to a malloced buffer of some sort rather than an
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image, since we might need to grow it during the read, since we couldn't
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then seek
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- add erode/dilate 3x3 special case using a 512-bit LUT
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... nope, actually slower :-( we end up doing an inner loop like
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for( i = 0; i < 9; i++ )
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bits |= (p[o[i]] != 0) << i;
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which is horrible. Maybe if we had a one band true 1 bit image it'd be
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quicker since we could get bits out in parallel and wouldn't have to worry
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about converting non-zero to 1
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could have a Coding type for bitpack? eg. relational produces a bitpack
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image by default, boolean & morph can work on bitpack etc
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maybe something for vips8 ... we could have a flag on operations for the
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coding types they can accept, and if they are passed other type, they are
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automatically converted
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- non-linear sharpen: replace each pixel by the lightest or darkest neighbour
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depending on which is closer in value
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- can wrap other inplace funcs which use ink now we have vector_to_ink() in
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inplace_dispatch.c
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see also comments in nip2 TODO ... we could auto-wrap in vips_call.c
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cleaner!
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- on win32, should not write matrix files in binary mode, we want CR/LF chars
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so we can load into excel etc easily
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how odd, we're doing
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if( !(fp = fopen( name, "w" )) ) {
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shouldn't be binary ... hmm
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Build
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=====
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- xmlFree() is still broken :-(
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maybe we are not importing it correctly? im_readhist.c references
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_imp__xmlFree
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how is this made? look at gcc -E output ... maybe there's an extra define we
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need to make it generate the right link code?
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see what libxml2.dll.a is exporting that looks anything like xmlFree
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- can we make a fftw3.dll? also, magick.dll?
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maybe just build with no-undefined? can we then link the DLL against the
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static lib?
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- update gtk/glib/etc. on the PC to the latest versions, apparently much
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quicker (esp. pango)
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This TODO list is now held on the VIPS Wiki
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http://wiki.vips.ecs.soton.ac.uk/bin/view/Vips/TodoVips7
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