sergiotarxz
/
libvips
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity
libvips/TODO

369 lines
12 KiB
Plaintext
Raw Blame History

- nip2-7.22.3 on Windows is not adding the path you load from to the set opf
paths to search, breaking demo2 for Hamish
- custom morph, erode, apply 3 times, lock up!
4way3.mor
7 7 1 0
128 128 128 255 128 128 128
128 128 255 255 255 128 128
128 255 255 255 255 255 128
255 255 255 255 255 255 255
128 255 255 255 255 255 128
128 128 255 255 255 128 128
128 128 128 255 128 128 128
$ vips im_erode wtc1bit.v t2.v 4way3.mor
lock up
- lab [100,0,0] -> srgb [255, 255, 254]? how odd
- could do small masks in a single pass
- try using a smaller norm factor in nip2 for sep conv gen there?
- Lan's c4_stats.ws is broken, I guess due to vector stuff
- how much time are we spending setting sources by name, profile!
- maybe im_draw_smudge() is too slow :-( also, we had a sanity failure with
it, argh
make a region, prepare to that, copy back over the image?
- how do we wrap inplace ops in C++ now? will checking the RW bit help at all?
- consider:
if( im_check_vector( "im__vector_to_ink", n, im ) )
return( -1 );
n must be 1 or im->Bands ... but what about n > 1 and im->Bands == 1?
look at im_lintra_vec(), what happens here?
- use D65 in cmsCreateLab4Profile() ? not sure
- VImage("poop.v") should use "rd" as well? Python too?
- im_divide() can /0 for complex
- unlink temps earlier on *nix systems
the file is created by setupout, which is called just before generate or
writeline, so perhaps unlink on evalstart?
no, on a rewind we need to be able to close and reopen, argh
- why is im_setupout() necessary for WIO output? couldn't writeline call it if
it's not been called?
equally, could pincheck/poutcheck/outcheck be made optional?
im_region_create() could call pincheck for you, for example
open_lazy does a pincheck to rewind the disc conversion, but that could be
removed
incheck is necessary to make ->data valid I suppose
- tools subdirs are now pretty stupid :-( just have a single dir
- test
python setup.py build_ext
python setup.py build
python setup.py install
>>> from vipsCC import *
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "/usr/local/lib/python2.6/dist-packages/vipsCC/VImage.py", line 25, in
<module>
vimagemodule = swig_import_helper()
File "/usr/local/lib/python2.6/dist-packages/vipsCC/VImage.py", line 21, in
swig_import_helper
_mod = imp.load_module('vimagemodule', fp, pathname, description)
ImportError: /usr/local/lib/python2.6/dist-packages/vipsCC/vimagemodule.so:
undefined symbol: _ZTIN4vips5VMaskE
ie. vimagemodule.so can't find libvipsCC.so I guess? or perhaps the compiler
is being given a differnt mangling flag
we're building with:
gcc -pthread -fno-strict-aliasing -DNDEBUG -g -fwrapv -O2 -Wall
-Wstrict-prototypes -fPIC -DDEBUG_FATAL=1 -DDEBUG_LEAK=1
-I/usr/lib/glib-2.0/include -I/usr/include/pango-1.0 -I/usr/include/libxml2
-I/usr/include/libpng12 -I/usr/include/libexif -I/usr/include/glib-2.0
-I/usr/include/freetype2 -I/usr/include/OpenEXR -I/usr/include/ImageMagick
-I../../libvips/include -I../../libvipsCC/include -I/usr/include/python2.6 -c
vimagemodule.cpp -o build/temp.linux-x86_64-2.6/vimagemodule.o -pthread
-fopenmp -pthread -Wl,--export-dynamic -pthread -pthread -pthread
g++ -pthread -shared -Wl,-O1 -Wl,-Bsymbolic-functions
build/temp.linux-x86_64-2.6/vimagemodule.o -Wl,-R/home/john/vips/lib
-lMagickWand -lMagickCore -lpng12 -ltiff -lz -ljpeg -lgthread-2.0 -lrt
-lglib-2.0 -lgmodule-2.0 -lxml2 -lgobject-2.0 -lgthread-2.0 -lrt -lglib-2.0
-lpangoft2-1.0 -lpango-1.0 -lfreetype -lfontconfig -lgobject-2.0 -lgmodule-2.0
-lgthread-2.0 -lrt -lglib-2.0 -lfftw3 -lm -llcms -lIlmImf -lz -lImath -lHalf
-lIex -lIlmThread -lmatio -lz -lexif -lm -lstdc++ -lm -o
build/lib.linux-x86_64-2.6/vipsCC/vimagemodule.so -pthread -fopenmp -pthread
-Wl,--export-dynamic -pthread -pthread -pthread
how does this compare to the working build? swig/vipsCC does
g++ -DHAVE_CONFIG_H -I. -I../.. -I../../libvips/include -I../../libvipsCC/include -DDEBUG_FATAL -DDEBUG_LEAK -pthread -fopenmp -I/usr/lib/glib-2.0/include -I/usr/include/pango-1.0 -I/usr/include/libxml2 -I/usr/include/libpng12 -I/usr/include/libexif -I/usr/include/glib-2.0 -I/usr/include/freetype2 -I/usr/include/OpenEXR -I/usr/include/ImageMagick -I/usr/include/python2.6 -g -Wall -MT vimagemodule.lo -MD -MP -MF .deps/vimagemodule.Tpo -c vimagemodule.cxx -o vimagemodule.o >/dev/null 2>&1
g++ -shared -nostdlib /usr/lib/gcc/x86_64-linux-gnu/4.4.3/../../../../lib/crti.o /usr/lib/gcc/x86_64-linux-gnu/4.4.3/crtbeginS.o .libs/vimagemodule.o -Wl,-rpath -Wl,/home/john/SVN/vips/vips7/trunk/libvipsCC/.libs -Wl,-rpath -Wl,/home/john/SVN/vips/vips7/trunk/libvips/.libs -Wl,-rpath -Wl,/home/john/vips/lib ../../libvipsCC/.libs/libvipsCC.so ../../libvips/.libs/libvips.so /usr/lib/libMagickWand.so /usr/lib/libMagickCore.so -lpng12 /usr/lib/libtiff.so /usr/lib/libjpeg.so /usr/lib/libxml2.so /usr/lib/libpangoft2-1.0.so /usr/lib/libpango-1.0.so /usr/lib/libfreetype.so -lfontconfig /usr/lib/libgobject-2.0.so /usr/lib/libgmodule-2.0.so /usr/lib/libgthread-2.0.so -lrt /usr/lib/libglib-2.0.so /usr/lib/libfftw3.so /usr/lib/liblcms.so /usr/lib/libIlmImf.so -lImath -lHalf -lIex -lIlmThread /usr/lib/libmatio.so -lz /usr/lib/libexif.so -L/usr/lib/gcc/x86_64-linux-gnu/4.4.3 -L/usr/lib/gcc/x86_64-linux-gnu/4.4.3/../../../../lib -L/lib/../lib -L/usr/lib/../lib -L/usr/lib/gcc/x86_64-linux-gnu/4.4.3/../../.. -L/usr/lib/x86_64-linux-gnu -lstdc++ -lm -lc -lgcc_s /usr/lib/gcc/x86_64-linux-gnu/4.4.3/crtendS.o /usr/lib/gcc/x86_64-linux-gnu/4.4.3/../../../../lib/crtn.o -pthread -Wl,--export-dynamic -pthread -pthread -pthread -pthread -Wl,-soname -Wl,vimagemodule.so -o .libs/vimagemodule.so
- convert_saveable for other writers: tiff, ppm, csv, rad etc.
- the tiff writer could use more im_check_ things
- expose more of the tone funcs in nip2
- quite a few hist operations have no GUI ... lhisteq, for example? or
histspec?
- added im_local_imask(), im_local_dmask(), needs docs?
I guess when mask/* gets docs
- im_rotate_imask90 only works for square, odd-sized masks, argh
just use im_rot90? have a small wrapper to let you use image functions on
masks
- lots of stupid little files in hist, eg. im_hsp.c ... paste them into larger
modules
- try writing docs for vipsthumbnail with gtkdoc? then try header etc.
we need to have a separate docs package for the tools/ dir
- rename header, edvips as vipsheader, vipsedit
maybe have back compat links?
- should im_rwcheck() copy to disc?
maybe im_rwcheck_disc() copies to im->filename and maps that
rather awkward to do atm with the way check.c is structured
- what does G_UNLIKELY() do? can we use it?
- rename vipsCC in SWIG as pyvips?
- look into G_GNUC_DEPRECATED for back compat in vips8
- use
http://library.gnome.org/devel/glib/stable/glib-Byte-Order-Macros.html
for swapping ... they are asm macros so we should see a speedup
- can we use conv_sep to speed up the memuse benchmarks?
- move im_shrink & friends to resample?
match_linear, match_linear_search?
what about im_stretch3.c, im_resize_linear
- check mosaic1, global_balance, similarity etc. use of im__affine
how can we move them to im_affinei ?
- doc strings would be nice, read the SWIG notes on this
- bilateral filtering, see:
http://en.wikipedia.org/wiki/Bilateral_filter
http://www.shellandslate.com/fastmedian.html
http://people.csail.mit.edu/sparis/bf_course/
also a mail from Martin Breidt has links to several fast free C
implementations
- try making vips_add(), an operator as a class
- need a section for vipsobject in the tutorial
also a manpage?
not really stable yet :( don't document
- how to expose things like snohalo1's "blur" parameter to
C++/Python?
can we write a find-by-nickname function? eg.
GType vips_get_type (const char *base, const char *nickname)
then
vips_get_type ("VipsInterpolator", "bicubic")
would get us the GType for VipsInterpolatorBicubic
- we shouldn't need to call im_invalidate() in gtkdisp4 :( how can we fix
this?
- we should wrap the format API, also im_render*(), see gtkdisp.cc for sample
code
- have a base VObject class and put the ref stuff in there ... share between
VMask, VDisplay, VImage
- need an im_init_world() for C++ which does cmd-line args too, so C++ progs
can get --vips-progress and stuff automatically
- more cleanups to the handling of vips format images, esp. we have vips write
spread across many files atm
- could remove a lot of crappy old API
- try
libsrc/convolution$ grep -l offsets *.c
could we do the don't calc offsets thing unless bpl; changes thing in more
places?
- unsharp should work on GREY16? should be easy to add GREY16->LABS
no, labs is signed short, ranges are all differrent, and the scaling will be
wrong anyway
correct: import with ICC to labs, then process, then export to RGB, take
green?
yuk, can we add a 16bit path to vips's lab <--> rgb converter?
use TIFF RGB16 as the 16bit RGB target
im_XYZ2disp() would be easy to 16bit ... just need the 1,500 element table
table->t_Yr2r[i] expanded
im_disp2XYZ() uses im_col_rgb2XYZ() in a loop ... again, need
the 1,500 element table table->t_r2Yr[i] expanded
usually these three tables (t_r2Yr, t_g2Yg, t_b2Yb) will be identical, can
we common them up? same for t_Yr2r etc.
how big should the table be for 16 bits? 256 times larger? too big!
we really just need a LUT for pow() with the right exponent, eg. 2.4 for
sRGBs, and one for 1/2.4 ... see what calcul_tables does:
table->t_r2Yr[i] = yo + a * pow( i * table->ristep / f + c, ga );
see
- test maxpos_avg, quite a few changes
- HAVE_HYPOT could define a hypot() macro?
- im_exr2vips can now use c++ api
see TODO notes in openexr read (though they all need more openexr C API)
consider openexr write
- python startup fails with plugins in vipslib:
Fatal Python error: can't initialise module vips
plugin: unable to open plugin "/home/john/vips/lib/resample.plg"
plugin: /home/john/vips/lib/resample.plg: undefined symbol: im_start_one
do we need to build plugins with -rpath etc. and more libs?
or do we need to make sure our python modules export all their im_ symbols?
check:
http://www.swig.org/Doc1.3/SWIGDocumentation.html#Python_nn8
http://docs.python.org/dist/dist.html
- write our own python extension to call a vips operation by name
result = vips_call ("name", args)
then call that from VImage_method
- do we really need VImage_method? Can't we write
__getattr__ (self, name) = lambda (obj_to_call, arguments):
or something like that?
- TIFF load/save should use meta system for unknown tags
- balance should use new meta stuff
- magick2vips should spot ICC profiles and attach them as meta
- also png2vips?
- magick should set some header field for n_frames and frame_height? see also
analyze
- im_csv2vips() could use "-" for filename to mean stdin
but then we'd have to read to a malloced buffer of some sort rather than an
image, since we might need to grow it during the read, since we couldn't
then seek
- add erode/dilate 3x3 special case using a 512-bit LUT
... nope, actually slower :-( we end up doing an inner loop like
for( i = 0; i < 9; i++ )
bits |= (p[o[i]] != 0) << i;
which is horrible. Maybe if we had a one band true 1 bit image it'd be
quicker since we could get bits out in parallel and wouldn't have to worry
about converting non-zero to 1
could have a Coding type for bitpack? eg. relational produces a bitpack
image by default, boolean & morph can work on bitpack etc
maybe something for vips8 ... we could have a flag on operations for the
coding types they can accept, and if they are passed other type, they are
automatically converted
- non-linear sharpen: replace each pixel by the lightest or darkest neighbour
depending on which is closer in value
- can wrap other inplace funcs which use ink now we have vector_to_ink() in
inplace_dispatch.c
see also comments in nip2 TODO ... we could auto-wrap in vips_call.c
cleaner!
Reference in New Issue View Git Blame Copy Permalink