write paletted images as paletted for tiff
[imager.git] / TODO
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b921d414 1 *** TODO ***
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2
3
4Iolayer:
5- Add scalar/mmap to iolayer
a106216b 6- Add close() code to iolayer for fakeseek sources.
b921d414 7- Merge callback interface into iolayer
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8- Add iolayer reading/writing for gif
9- and raw
10- Implment the maxread threshold (Indicates how much can
11 be read from a source before it stops reading from its
12 underlying source. For making sure only the relevant
13 data is read from a socket for example.
14
b921d414 15
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16Enhanched internal structure:
17
18MultiImage & metadata support:
19- Figure what interface should be between C and perl?
20- How to store data in the C interface for tags/metadata?
21 Support tiff's madness, i.e. tags and options.
22- Error handling, make a general i_errstr object and arrange
23 such that each image has an i_errstr object to hold its
24 local errors?
25- SEE design/represent.txt for proposed new structure and
26 interface design that takes these factors into account.
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27- define common i_* tags for specifying attribute common among images
28 like spatial resolution (implement for other image types, especially
29 TIFF)
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30
31New Features:
a106216b 32- Add mng support, pcx and aalib support.
5f5fe73e 33
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34- Transforms, interpolated multidimensional lookup tables.
35 Usefull for CMYK <-> RGB table lookup.
36
37- Finish antialiased filled polygon function.
38
a106216b 39- advanced font layout (spacing, kerning, alignment) (Artur?)
faa9b3e7 40
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41- ways to check if characters are present in a font, eg. checking if
42 ligatures are present
43
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44- font synthesis - synthesize a bold or slanted font from a normal font
45 (or even from an existing bold or slanted font)
bf9dd17c 46
faa9b3e7 47- utf8 support for text output
bf9dd17c 48 (available for freetype2)
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49
50- image rotation, 3 ways of doing rotation:
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51 - rotation by shearing, which produces makes lengths in the image larger,
52 but could be useful
a010a7d3 53 (2 of the 3 have been done)
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54
55- read_multi() needs to handle other multi-image types, such as TIFF
56 (probably the most common)
b921d414 57
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58- write_multi() to save other multi-image types, especially TIFF
59
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60- compose channels - build a new image based on channels from several
61 images
62
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63- filled polygons
64
65- arc outlines
66
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67Clean up:
68- Make sure everything is doable with the OO interface
5f5fe73e 69 i_flood_fill() for example.
f1ac5027 70
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71- Compile with memory debugging enabled and fix all leaks
72
73- dynaload.c is strongly tied to perl
74
a106216b 75- Add mycalloc() memory allocation wrappers.
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76
77- should we overload <=> or cmp for Imager::Color objects?
78 too many worms, leave it out
79
80- should the interlace option for reading raw images have
81 symbolic names in the OO interface?
82
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83- improve consistency in the interfaces, both in trying to use named
84 parameters where possible but also in using consistent names, eg.
85 (tx, ty) vs (left, top) in rubthrough() vs paste(). Do we want a (simple)
86 standard for this (suggested names)? Remember to preserve the old
87 interface where possible.
b921d414 88
b921d414 89Format specific issues:
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90- provide patches for libgif and libungif that fix their bugs
91 and give a useful extension interface. Probe for the
92 installation of the patches in Makefile.PL to let gif.c
93 know what features it can use.
94
a106216b 95- Add options for pnm writer to save in any of the p1..P6
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96 formats. Even if the input has 1 channel, write 3 and such
97 cases. Also allow ascii mode. Need to be able to write
98 pbm images which needs ties to the quantization code.
99
a106216b 100- save paletted images as paletted where that's supported. Done
f62b2d84 101 for gif/tga/bmp/tiff. Not done for png yet.
f873cb01 102
a106216b 103- read other format paletted images as paletted images. This has
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104 been done for gif/tga/bmp/tiff formats but not for png.
105
106- read/write 16-bit/sample images as such for tiff
27d9683e 107
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108Documentation:
109- Add to the documentation
110- Write a tutorial?
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111- sample code and Imager/Samples.pod describing them
112- Imager/Cookbook.pod
113- modify the .pm files to put pod describing a function close to the
114 function
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115- Write a guide to installing the helper libraries
116- Go through the entire project and add comments in pod
117 so doco.perl can be used to read them.