giftrans
Object_Id : 238
Title : giftrans
Node_Type : Visible to Librarians only
Format : binary
Address : /projects6/necatm/380/work/symons/giftrans
Keywords : giftrans
gif translation
gif information
Abstract : This program can tell you the colour maps in a gif, convert
gif formats (g87 etc), set the invisible background colour,
gif comments and general gif info - eg the logical and real sizes.
eg
$ pwd
/projects6/necatm/380/src/mpoa/demo/java/images
$ giftrans -L base.gif 2> t
cat t
Header: "GIF87a"
Logical Screen Descriptor:
Logical Screen Width: 1280 pixels
Logical Screen Height: 1024 pixels
note the sizes ^^^^^^^^^^^
Global Color Table Flag: True
Color Resolution: 8 bits
Sort Flag: False
Size of Global Color Table: 256 colors
Background Color Index: 0
Global Color Table:
Color 0: Red 0, Green 0, Blue 0, #000000 (black, gray0, grey0)
Color 1: Red 255, Green 255, Blue 255, #ffffff (white, gray100, grey100)
Color 2: Red 243, Green 218, Blue 169, #f3daa9
Color 255: Red 255, Green 128, Blue 128, #ff8080
Image Descriptor:
Image Left Position: 0 pixels
Image Top Position: 0 pixels
Image Width: 376 pixels
Image Height: 179 pixels
note the sizes ^^^^^^^^^^^
Local Color Table Flag: False
Interlace Flag: False
Table Based Image Data:
LZW Minimum Code Size: 0x08
Trailer
The logical and real size differences gave me the java memory
problem.
giftoppm and ppmtogif will fix this
$ giftoppm ../../images2/$i |
Date_Entry_Created :
Entry_Created_By :
Date_Entry_Last_Modified:
Entry_Last_Modified_By :
Asset_Qualification :
Other_Opinions :
Contact_Person :
IP_or_Copyright_Owner :
Support_re_Ownership :
Date_Item_Created :
Usage_Conditions :
Support_re_Usage_Condns :
Authors_and_Contributors:
Projects_Used_In :
Obtained_From :
Derived_From :
Related_Items :
Code_Type :
Programming_Language :
Portations :
Source_Location :
Binaries_Location :
Issues_Bug_etc_List_Locn:
Additional_Info :