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author | William Joye <wjoye@cfa.harvard.edu> | 2017-01-03 21:51:01 (GMT) |
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committer | William Joye <wjoye@cfa.harvard.edu> | 2017-01-03 21:51:01 (GMT) |
commit | a780057cc1b51dd3a557549c3cf2431f09136c0d (patch) | |
tree | 717f78052c55596449b27743171d7e170c4d39a0 /tkimg/doc/img-gif.man | |
parent | 7749430b9352c1eaf5dca7d8a89a6d35f565ef24 (diff) | |
download | blt-a780057cc1b51dd3a557549c3cf2431f09136c0d.zip blt-a780057cc1b51dd3a557549c3cf2431f09136c0d.tar.gz blt-a780057cc1b51dd3a557549c3cf2431f09136c0d.tar.bz2 |
upgrade tkimg to 1.4.6
Diffstat (limited to 'tkimg/doc/img-gif.man')
-rw-r--r-- | tkimg/doc/img-gif.man | 65 |
1 files changed, 0 insertions, 65 deletions
diff --git a/tkimg/doc/img-gif.man b/tkimg/doc/img-gif.man deleted file mode 100644 index 3d8af86..0000000 --- a/tkimg/doc/img-gif.man +++ /dev/null @@ -1,65 +0,0 @@ -[comment {-*- tcl -*- doctools}] -[vset FORMATNAME gif] -[vset FORMATFULLNAME {Graphics Interchange Format}] - -[include format-header.inc] - -This handler provides new additional configuration options. See -section [sectref {GIF OPTIONS}] for more detailed explanations. - - -[include format-middle.inc] - - -In addition the value for the option is treated as list and may -contain any of the special options listed in section - -[sectref {GIF OPTIONS}]. - -[list_end] - - - -[section {GIF OPTIONS}] - -The handler provides two options, one for reading from a GIF image, -the other influencing the writing of such. - -[list_begin definitions] - -[lst_item "[option -index] [arg n]"] - -This option is for reading from GIF files containing more than one -image ([term {animated GIF's}], [term {GIF movies}]. When specified it -will read the [arg n]'th image in the data. The first image is at -index [const 0] and will be read by default, i.e. when the option is -not specified. - -[lst_item "[option -interlaced] [arg bool]"] - -If the value of this option is set to true the image will be written -using the interlaced sub-format of GIF. The default is to write -non-interlaced files. [emph {This option is not implemented yet.}] - -[list_end] - -[section {IMAGE COMPRESSION}] - -Instead of LZW the run-length encoding of Hutchison Avenue Software -Corporation is used, also known as [term miGIF] compression. The miGIF -compression routines do not, strictly speaking, generate files -conforming to the GIF spec, since the image data is not LZW-compressed -(this is the point: in order to avoid transgression of the Unisys -patent on the LZW algorithm.) However, miGIF generates data streams -that any reasonably sane LZW decompresser will decompress to what we -want. - -[section TRANSPARENCY] - -If you want to write images to disk which contain transparency -information (e.g. GIF89) you need at least [package Tk] 8.3. - - - -[list_begin definitions] -[include format-footer.inc] |