GIF Tags
This table lists information extracted from GIF images. See
http://www.w3.org/Graphics/GIF/spec-gif89a.txt for the official GIF89a
specification.
Tag Name |
Writable | Values / Notes |
Comment |
yes |
|
Duration |
no |
(duration of a single animation iteration) |
Extensions |
- |
--> GIF Extensions Tags |
FrameCount |
no |
(number of animated images) |
GIFVersion |
no |
|
ScreenDescriptor |
- |
--> GIF Screen Tags |
Text |
no |
(text displayed in image) |
TransparentColor |
no |
|
|
Tags extracted from GIF89a application extensions.
Information extracted from the MIDI control block extension.
Index1 | Tag Name |
Writable | Values / Notes |
0 |
MIDIControlVersion |
no |
|
1 |
SequenceNumber |
no |
|
2 |
MelodicPolyphony |
no |
|
3 |
PercussivePolyphony |
no |
|
4 |
ChannelUsage |
no |
|
6 |
DelayTime |
no |
|
|
Information extracted from the "NETSCAPE2.0" animation extension.
Index1 | Tag Name |
Writable | Values / Notes |
1 |
AnimationIterations |
no |
|
|
Information extracted from the GIF logical screen descriptor.
Index1 | Tag Name |
Writable | Values / Notes |
0 |
ImageWidth |
no |
|
2 |
ImageHeight |
no |
|
4.1 |
HasColorMap |
no |
[val >> 7 & 0x1]
0 = No
1 = Yes |
4.2 |
ColorResolutionDepth |
no |
[val >> 4 & 0x7] |
4.3 |
BitsPerPixel |
no |
[val & 0x7] |
5 |
BackgroundColor |
no |
|
6 |
PixelAspectRatio |
no |
|
|
(This document generated automatically by Image::ExifTool::BuildTagLookup)
Last revised Dec 8, 2021
<-- ExifTool Tag Names