1PDF::Builder::Resource:U:sXeOrbjCeocntt:r:iPIbDmuFat:ge:edB:u:PiGelIrdFle(r3D:)o:cRuemseonutractei:o:nXObject::Image::GIF(3)
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6 PDF::Builder::Resource::XObject::Image::GIF - support routines for GIF
7 image library. Inherits from PDF::Builder::Resource::XObject::Image
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9 History
10 GIF89a Specification: https://www.w3.org/Graphics/GIF/spec-gif89a.txt
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12 A fairly thorough description of the GIF format may be found in
13 <http://giflib.sourceforge.net/whatsinagif/bits_and_bytes.html>.
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15 Code originally from PDF::Create, PDF::Image::GIFImage - GIF image
16 support Author: Michael Gross <mdgrosse@sboxtugraz.at>
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19 GIF87a and GIF89a headers are supported. The Image block (x2C) is
20 supported.
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22 The Graphic Control Extension block (x21 + xF9) is supported for
23 transparency control. Animation is not supported.
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25 The Comment Extension block (x21 + xFE), Plain Text Extension block
26 (x21 + x01), and Application Extension block (x21 + xFF) are read, but
27 ignored. Any other block or Extension block will be flagged as an
28 error.
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30 If given, Local Color Tables are read and used, supposedly permitting
31 more than 256 colors to be used overall in the image (despite the 8 bit
32 color table depth).
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34 Options
35 notrans
36 When defined and not 0, "notrans" suppresses the use of
37 transparency if such is defined in the GIF file.
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39 name => 'string'
40 This is the name you can give for the GIF image object. The default
41 is Gxnnnn.
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43 multi
44 When defined and not 0, "multi" continues processing past the end
45 of the first Image Block. The old behavior, which is now the
46 default, is to stop processing at the end of the first Image Block.
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50perl v5.36.0 PD2F0:2:2B-u0i9l-d1e3r::Resource::XObject::Image::GIF(3)