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<title>GIF Tags</title>
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<h2 class=top>GIF Tags</h2>
<p>This table lists information extracted from GIF images. See
<a href="http://www.w3.org/Graphics/GIF/spec-gif89a.txt">http://www.w3.org/Graphics/GIF/spec-gif89a.txt</a> for the official GIF89a
specification.</p>
<blockquote>
<table class=frame><tr><td>
<table class=inner cellspacing=1>
<tr class=h><th>Tag Name</th>
<th>Writable</th><th>Values / <span class=n>Notes</span></th></tr>
<tr>
<td>Comment</td>
<td class=c>yes</td>
<td> </td></tr>
<tr class=b>
<td>Duration</td>
<td class=c>no</td>
<td><span class=s><span class=n>(duration of a single animation iteration)</span></span></td></tr>
<tr>
<td>ExtensionAnimation</td>
<td class=c>-</td>
<td>--> <a href='GIF.html#Animate'>GIF Animate Tags</a></td></tr>
<tr class=b>
<td>ExtensionICC</td>
<td class=c>-</td>
<td>--> <a href='ICC_Profile.html'>ICC_Profile Tags</a></td></tr>
<tr>
<td>ExtensionXMP</td>
<td class=c>-</td>
<td>--> <a href='XMP.html'>XMP Tags</a></td></tr>
<tr class=b>
<td>FrameCount</td>
<td class=c>no</td>
<td><span class=s><span class=n>(number of animated images)</span></span></td></tr>
<tr>
<td>GIFVersion</td>
<td class=c>no</td>
<td> </td></tr>
<tr class=b>
<td>ScreenDescriptor</td>
<td class=c>-</td>
<td>--> <a href='GIF.html#Screen'>GIF Screen Tags</a></td></tr>
<tr>
<td>Text</td>
<td class=c>no</td>
<td><span class=s><span class=n>(text displayed in image)</span></span></td></tr>
</table></td></tr></table></blockquote>
<h2><a name='Animate'>GIF Animate Tags</a></h2>
<p>Information extracted from the "NETSCAPE2.0" animation extension.</p>
<blockquote>
<table class=frame><tr><td>
<table class=inner cellspacing=1>
<tr class=h><th>Index1</th><th>Tag Name</th>
<th>Writable</th><th>Values / <span class=n>Notes</span></th></tr>
<tr>
<td class=r title='2 = 0x2'>2</td>
<td>AnimationIterations</td>
<td class=c>no</td>
<td> </td></tr>
</table></td></tr></table></blockquote>
<h2><a name='Screen'>GIF Screen Tags</a></h2>
<p>Information extracted from the GIF logical screen descriptor.</p>
<blockquote>
<table class=frame><tr><td>
<table class=inner cellspacing=1>
<tr class=h><th>Index1</th><th>Tag Name</th>
<th>Writable</th><th>Values / <span class=n>Notes</span></th></tr>
<tr>
<td class=r title='0 = 0x0'>0</td>
<td>ImageWidth</td>
<td class=c>no</td>
<td> </td></tr>
<tr class=b>
<td class=r title='2 = 0x2'>2</td>
<td>ImageHeight</td>
<td class=c>no</td>
<td> </td></tr>
<tr>
<td class=r title='4 = 0x4'>4.1</td>
<td>HasColorMap</td>
<td class=c>no</td>
<td><span class=s>[Mask 0x80]
<br>0x0 = No
<br>0x80 = Yes</span></td></tr>
<tr class=b>
<td class=r title='4 = 0x4'>4.2</td>
<td>ColorResolutionDepth</td>
<td class=c>no</td>
<td><span class=s>[Mask 0x70]</span></td></tr>
<tr>
<td class=r title='4 = 0x4'>4.3</td>
<td>BitsPerPixel</td>
<td class=c>no</td>
<td><span class=s>[Mask 0x07]</span></td></tr>
<tr class=b>
<td class=r title='5 = 0x5'>5</td>
<td>BackgroundColor</td>
<td class=c>no</td>
<td> </td></tr>
</table></td></tr></table></blockquote>
<hr>
(This document generated automatically by Image::ExifTool::BuildTagLookup)
<br><i>Last revised Oct 28, 2011</i>
<p class=lf><a href='index.html'><-- ExifTool Tag Names</a></p>
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