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4 <meta charset="utf-8"/>
5 <title>GIF Metadata Format Specification</title>
6 </head>
7 <!--
8 Copyright (c) 2000, 2018, Oracle and/or its affiliates. All rights reserved.
9 DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
10
11 This code is free software; you can redistribute it and/or modify it
12 under the terms of the GNU General Public License version 2 only, as
13 published by the Free Software Foundation. Oracle designates this
14 particular file as subject to the "Classpath" exception as provided
15 by Oracle in the LICENSE file that accompanied this code.
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17 This code is distributed in the hope that it will be useful, but WITHOUT
18 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
19 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
20 version 2 for more details (a copy is included in the LICENSE file that
21 accompanied this code).
22
23 You should have received a copy of the GNU General Public License version
24 2 along with this work; if not, write to the Free Software Foundation,
25 Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
26
27 Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
28 or visit www.oracle.com if you need additional information or have any
330 <!-- The authentication code -->
331 <!-- Data type: String -->
332
333 <!ELEMENT "CommentExtensions" (CommentExtension)*>
334 <!-- A set of comments -->
335 <!-- Min children: 1 -->
336 <!-- Max children: 2147483647 -->
337
338 <!ELEMENT "CommentExtension" EMPTY>
339 <!-- A comment -->
340 <!ATTLIST "CommentExtension" "value" #CDATA #REQUIRED>
341 <!-- The comment -->
342 <!-- Data type: String -->
343 ]>
344 </pre>
345
346 <p>
347 <a id="mapping"></a>
348 <table border=1>
349 <caption><b>Mapping of Standard to GIF Native Stream Metadata</b></caption>
350 <tr>
351 <th>Standard Metadata Component</th>
352 <th>GIF Native Stream Metadata Component</th>
353 </tr>
354 <tr>
355 <td>/Chroma/Palette/PaletteEntry@index</td>
356 <td>/GlobalColorTable/ColorTableEntry@index</td>
357 </tr>
358 <tr>
359 <td>/Chroma/Palette/PaletteEntry@red</td>
360 <td>/GlobalColorTable/ColorTableEntry@red</td>
361 </tr>
362 <tr>
363 <td>/Chroma/Palette/PaletteEntry@green</td>
364 <td>/GlobalColorTable/ColorTableEntry@green</td>
365 </tr>
366 <tr>
367 <td>/Chroma/Palette/PaletteEntry@blue</td>
368 <td>/GlobalColorTable/ColorTableEntry@blue</td>
369 </tr>
370 <tr>
371 <td>/Chroma/BackgroundIndex@value</td>
372 <td>/GlobalColorTable@backgroundColorIndex</td>
373 </tr>
374 <tr>
375 <td>/Data/BitsPerSample@value</td>
376 <td>/LogicalScreenDescriptor@colorResolution</td>
377 </tr>
378 <tr>
379 <td>/Dimension/PixelAspectRatio@value</td>
380 <td>/LogicalScreenDescriptor@pixelAspectRatio</td>
381 </tr>
382 <tr>
383 <td>/Dimension/HorizontalScreenSize@value</td>
384 <td>/LogicalScreenDescriptor@logicalScreenWidth</td>
385 </tr>
386 <tr>
387 <td>/Dimension/VerticalScreenSize@value</td>
388 <td>/LogicalScreenDescriptor@logicalScreenHeight</td>
389 </tr>
390 <tr>
391 <td>/Document/FormatVersion@value</td>
392 <td>/Version@value</td>
393 </tr>
394 </table>
395
396 <table border=1>
397 <caption><b>Mapping of Standard to GIF Native Image Metadata</b></caption>
398 <tr>
399 <th>Standard Metadata Component</th>
400 <th>GIF Native Image Metadata Component</th>
401 </tr>
402 <tr>
403 <td>/Chroma/Palette/PaletteEntry@index</td>
404 <td>/LocalColorTable/ColorTableEntry@index</td>
405 </tr>
406 <tr>
407 <td>/Chroma/Palette/PaletteEntry@red</td>
408 <td>/LocalColorTable/ColorTableEntry@red</td>
409 </tr>
410 <tr>
411 <td>/Chroma/Palette/PaletteEntry@green</td>
412 <td>/LocalColorTable/ColorTableEntry@green</td>
413 </tr>
414 <tr>
415 <td>/Chroma/Palette/PaletteEntry@blue</td>
416 <td>/LocalColorTable/ColorTableEntry@blue</td>
417 </tr>
418 <tr>
419 <td>/Dimension/HorizontalPixelOffset@value</td>
420 <td>/ImageDescriptor@imageLeftPosition</td>
421 </tr>
422 <tr>
423 <td>/Dimension/VerticalPixelOffset@value</td>
424 <td>/ImageDescriptor@imageTopPosition</td>
425 </tr>
426 <tr>
427 <td>/Text/TextEntry@value</td>
428 <td>/CommentExtensions/CommentExtension@value</td>
429 </tr>
430 <tr>
431 <td>/Transparency/TransparentIndex@value</td>
432 <td>/GraphicControlExtension@transparentColorIndex
433 (/GraphicControlExtension@transparentColorFlag is also set to
434 "TRUE")</td>
435 </tr>
436 </table>
437 </main>
438 </body>
439 </html>
|
1 <!doctype html>
2 <html lang="en">
3 <head>
4 <meta charset="utf-8"/>
5 <title>GIF Metadata Format Specification</title>
6 </head>
7 <!--
8 Copyright (c) 2000, 2019, Oracle and/or its affiliates. All rights reserved.
9 DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
10
11 This code is free software; you can redistribute it and/or modify it
12 under the terms of the GNU General Public License version 2 only, as
13 published by the Free Software Foundation. Oracle designates this
14 particular file as subject to the "Classpath" exception as provided
15 by Oracle in the LICENSE file that accompanied this code.
16
17 This code is distributed in the hope that it will be useful, but WITHOUT
18 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
19 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
20 version 2 for more details (a copy is included in the LICENSE file that
21 accompanied this code).
22
23 You should have received a copy of the GNU General Public License version
24 2 along with this work; if not, write to the Free Software Foundation,
25 Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
26
27 Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
28 or visit www.oracle.com if you need additional information or have any
330 <!-- The authentication code -->
331 <!-- Data type: String -->
332
333 <!ELEMENT "CommentExtensions" (CommentExtension)*>
334 <!-- A set of comments -->
335 <!-- Min children: 1 -->
336 <!-- Max children: 2147483647 -->
337
338 <!ELEMENT "CommentExtension" EMPTY>
339 <!-- A comment -->
340 <!ATTLIST "CommentExtension" "value" #CDATA #REQUIRED>
341 <!-- The comment -->
342 <!-- Data type: String -->
343 ]>
344 </pre>
345
346 <p>
347 <a id="mapping"></a>
348 <table border=1>
349 <caption><b>Mapping of Standard to GIF Native Stream Metadata</b></caption>
350 <thead>
351 <tr>
352 <th scope="col">Index</th>
353 <th scope="col">Standard Metadata Component</th>
354 <th scope="col">GIF Native Stream Metadata Component</th>
355 </tr>
356 </thead>
357 <tbody>
358 <tr>
359 <th scope="row">1</th>
360 <td>/Chroma/Palette/PaletteEntry@index</td>
361 <td>/GlobalColorTable/ColorTableEntry@index</td>
362 </tr>
363 <tr>
364 <th scope="row">2</th>
365 <td>/Chroma/Palette/PaletteEntry@red</td>
366 <td>/GlobalColorTable/ColorTableEntry@red</td>
367 </tr>
368 <tr>
369 <th scope="row">3</th>
370 <td>/Chroma/Palette/PaletteEntry@green</td>
371 <td>/GlobalColorTable/ColorTableEntry@green</td>
372 </tr>
373 <tr>
374 <th scope="row">4</th>
375 <td>/Chroma/Palette/PaletteEntry@blue</td>
376 <td>/GlobalColorTable/ColorTableEntry@blue</td>
377 </tr>
378 <tr>
379 <th scope="row">5</th>
380 <td>/Chroma/BackgroundIndex@value</td>
381 <td>/GlobalColorTable@backgroundColorIndex</td>
382 </tr>
383 <tr>
384 <th scope="row">6</th>
385 <td>/Data/BitsPerSample@value</td>
386 <td>/LogicalScreenDescriptor@colorResolution</td>
387 </tr>
388 <tr>
389 <th scope="row">7</th>
390 <td>/Dimension/PixelAspectRatio@value</td>
391 <td>/LogicalScreenDescriptor@pixelAspectRatio</td>
392 </tr>
393 <tr>
394 <th scope="row">8</th>
395 <td>/Dimension/HorizontalScreenSize@value</td>
396 <td>/LogicalScreenDescriptor@logicalScreenWidth</td>
397 </tr>
398 <tr>
399 <th scope="row">9</th>
400 <td>/Dimension/VerticalScreenSize@value</td>
401 <td>/LogicalScreenDescriptor@logicalScreenHeight</td>
402 </tr>
403 <tr>
404 <th scope="row">10</th>
405 <td>/Document/FormatVersion@value</td>
406 <td>/Version@value</td>
407 </tr>
408 </tbody>
409 </table>
410
411 <table border=1>
412 <caption><b>Mapping of Standard to GIF Native Image Metadata</b></caption>
413 <thead>
414 <tr>
415 <th scope="col">Index</th>
416 <th scope="col">Standard Metadata Component</th>
417 <th scope="col">GIF Native Image Metadata Component</th>
418 </tr>
419 </thead>
420 <tbody>
421 <tr>
422 <th scope="row">1</th>
423 <td>/Chroma/Palette/PaletteEntry@index</td>
424 <td>/LocalColorTable/ColorTableEntry@index</td>
425 </tr>
426 <tr>
427 <th scope="row">2</th>
428 <td>/Chroma/Palette/PaletteEntry@red</td>
429 <td>/LocalColorTable/ColorTableEntry@red</td>
430 </tr>
431 <tr>
432 <th scope="row">3</th>
433 <td>/Chroma/Palette/PaletteEntry@green</td>
434 <td>/LocalColorTable/ColorTableEntry@green</td>
435 </tr>
436 <tr>
437 <th scope="row">4</th>
438 <td>/Chroma/Palette/PaletteEntry@blue</td>
439 <td>/LocalColorTable/ColorTableEntry@blue</td>
440 </tr>
441 <tr>
442 <th scope="row">5</th>
443 <td>/Dimension/HorizontalPixelOffset@value</td>
444 <td>/ImageDescriptor@imageLeftPosition</td>
445 </tr>
446 <tr>
447 <th scope="row">6</th>
448 <td>/Dimension/VerticalPixelOffset@value</td>
449 <td>/ImageDescriptor@imageTopPosition</td>
450 </tr>
451 <tr>
452 <th scope="row">7</th>
453 <td>/Text/TextEntry@value</td>
454 <td>/CommentExtensions/CommentExtension@value</td>
455 </tr>
456 <tr>
457 <th scope="row">8</th>
458 <td>/Transparency/TransparentIndex@value</td>
459 <td>/GraphicControlExtension@transparentColorIndex
460 (/GraphicControlExtension@transparentColorFlag is also set to
461 "TRUE")</td>
462 </tr>
463 </tbody>
464 </table>
465 </main>
466 </body>
467 </html>
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