167 lines
4.6 KiB
Plaintext
167 lines
4.6 KiB
Plaintext
- should check for gettext in configure? see
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https://sourceforge.net/tracker/index.php?func=detail&aid=1836080&group_id=100050&atid=626186
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- docs include figures twice! yuk
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fixed? not sure, check again
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- check for <linux/video.h> more carefully: don't just test for file-exists,
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try compiling a tiny prog
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using icc, for example, breaks some linux headers
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- unsharp should work on GREY16? shuld be easy to add GREY16->LABS
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no, labs is signed short, ranges are all differrent, and the scaling will be
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wrong anyway
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correct: import with ICC to labs, then process, then export to RGB, take
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green?
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yuk, can we add a 16bit path to vips's lab <--> rgb converter?
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use TIFF RGB16 as the 16bit RGB target
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im_XYZ2disp() would be easy to 16bit ... just need the 1,500 element table
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table->t_Yr2r[i] expanded
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im_disp2XYZ() uses im_col_rgb2XYZ() in a loop ... again, need
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the 1,500 element table table->t_r2Yr[i] expanded
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usually these three tables (t_r2Yr, t_g2Yg, t_b2Yb) will be identical, can
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we common them up? same for t_Yr2r etc.
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how big should the table be for 16 bits? 256 times larger? too big!
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we really just need a LUUT for pow() with the right exponent, eg. 2.4 for
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sRGBs, and one for 1/2.4 ... see what calcul_tables does:
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table->t_r2Yr[i] = yo + a * pow( i * table->ristep / f + c, ga );
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see
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- test maxpos_avg, quite a few changes
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- HAVE_HYPOT could define a hypot() macro?
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- im_exr2vips can now use c++ api
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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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check:
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http://www.swig.org/Doc1.3/SWIGDocumentation.html#Python_nn8
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http://docs.python.org/dist/dist.html
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- write our own python extension to call a vips operation by name
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result = vips_call ("name", args)
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then call that from VImage_method
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- do we really need VImage_method? Can't we write
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__getattr__ (self, name) = lambda (obj_to_call, arguments):
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or something like that?
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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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- also png2vips?
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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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- 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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