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updated, re-ordered the list to have first the global parasites, then
2007-10-18 Raphael Quinet <raphael@gimp.org> * parasites.txt: updated, re-ordered the list to have first the global parasites, then image parasites, then layer parasites. svn path=/trunk/; revision=23866
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Raphael Quinet
Raphaël Quinet
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2007-10-18 Raphaël Quinet <raphael@gimp.org>
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* parasites.txt: updated, re-ordered the list to have first the
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global parasites, then image parasites, then layer parasites.
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2007-10-17 Sven Neumann <sven@gimp.org>
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* libgimpwidgets/tmpl/gimppropwidgets.sgml: regenerated.
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@ -1,12 +1,12 @@
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PARASITE REGISTRY - 1999-05-31
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PARASITE REGISTRY - 2007-10-18
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=================
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This document is designed for the convenience of GIMP developers.
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It does not need to concern users.
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>>>> If your plugin or script writes parasites, please
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>>>> amend this file in CVS or submit patches to
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>>>> amend this file in SVN or submit patches to
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>>>> gimp-developer@scam.xcf.berkeley.edu
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@ -27,10 +27,34 @@ Global data follows no strict rules.
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"tiff" : The standard GIMP TIFF plugin
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"jpeg" : The standard GIMP JPEG plugin
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"png" : The standard GIMP PNG plugin
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"gimp" : For common and standard parasites
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------------------------------------------------------------------
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*** KNOWN PARASITES:
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*** KNOWN GLOBAL PARASITES:
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"jpeg-save-defaults" (GLOBAL, PERSISTENT)
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Default save parameters used by the JPEG plug-in.
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"png-save-defaults" (GLOBAL, PERSISTENT)
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Default save parameters used by the PNG plug-in.
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"<plug-in>/_fu_data" (GLOBAL, IMAGE, DRAWABLE, PERSISTENT)
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The Gimp::Fu module (Perl) might store the arguments of the
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last plug-in invocation. It is usually attached to images,
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but might also be found globally. The data format is either
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pure character data (Data::Dumper) or a serialized data
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stream created by Storable::nfreeze.
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"exif-orientation-rotate" (GLOBAL, PERSISTENT)
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Whether a load plug-in should automatically rotate the image
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according to the orientation specified in the EXIF data. This
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has values "yes" or "no". If the parasite is not set, the
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plug-in should ask the user what to do. This parasite may be
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removed in a future version (assuming always yes).
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------------------------------------------------------------------
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*** KNOWN IMAGE PARASITES:
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"gimp-comment" (IMAGE, PERSISTENT)
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Standard GIF-style image comments. This parasite should be
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@ -95,20 +119,13 @@ Global data follows no strict rules.
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saving .pat files. A trailing \0 might be included and is not
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part of the name.
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"gimp-text-layer" (LAYER, PERSISTENT)
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The associated GimpText object serialized to a string. For
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convenience the string is terminated by a trailing '\0'.
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The idea of using a parasite for text layers is to keep the XCF
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files backward compatible. Although gimp-1.2 doesn't know how
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to handle the text layer, it keeps the parasite intact.
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"tiff-save-options" (IMAGE)
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The TiffSaveVals structure from the TIFF plugin.
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"jpeg-save-options" (IMAGE)
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The JpegSaveVals structure from the JPEG plugin.
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"jpeg-exif-data" (IMAGE)
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"jpeg-exif-data" (IMAGE) (deprecated)
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The ExifData structure serialized into a uchar* blob from
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libexif. This is deprecated in favor of "exif-data".
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@ -118,12 +135,6 @@ Global data follows no strict rules.
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These can be reused when saving the image in order to minimize
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quantization losses and keep the same size/quality ratio.
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"jpeg-save-defaults" (GLOBAL, PERSISTENT)
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Default save parameters used by the JPEG plug-in.
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"png-save-defaults" (GLOBAL, PERSISTENT)
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Default save parameters used by the PNG plug-in.
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"gamma" (IMAGE, PERSISTENT)
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The original gamma this image was created/saved. For JPEG; this is
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always one, for PNG it's usually taken from the image data. GIMP
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@ -150,13 +161,6 @@ Global data follows no strict rules.
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2 - saturation-preserving (e.g. for business charts)
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3 - absolute colorimetric
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"<plug-in>/_fu_data" (GLOBAL, IMAGE, DRAWABLE, PERSISTENT)
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The Gimp::Fu module might store the arguments of the last plug-in
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invocation. It is usually attached to images, but might also
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be found globally. The data format is either pure character
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data (Data::Dumper) or a serialized data stream created by
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Storable::nfreeze.
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"hot-spot" (IMAGE, PERSISTENT)
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Use this parasite to store an image's "hot spot". Currently
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used by the XBM plugin to store mouse cursor hot spots.
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@ -168,13 +172,6 @@ Global data follows no strict rules.
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libexif (using exif_data_save_data). If a "gimp-metadata"
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parasite is present, it should take precedence over this one.
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"exif-orientation-rotate" (GLOBAL, PERSISTENT)
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Whether a load plug-in should automatically rotate the image
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according to the orientation specified in the EXIF data. This
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has values "yes" or "no". If the parasite is not set, the
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plug-in should ask the user what to do. This parasite may be
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removed in a future version (assuming always yes).
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"gimp-metadata" (IMAGE, PERSISTENT)
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The metadata associated with the image, serialized as one XMP
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packet. This metadata includes the contents of any XMP, EXIF
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@ -204,6 +201,16 @@ Global data follows no strict rules.
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"source=2 type=RGBA 4 5 6 7". This means that layer 2 was
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decomposed in RGBA mode, giving rise to layers 4, 5, 6, and 7.
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------------------------------------------------------------------
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*** KNOWN LAYER/DRAWABLE PARASITES:
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"gimp-text-layer" (LAYER, PERSISTENT)
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The associated GimpText object serialized to a string. For
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convenience the string is terminated by a trailing '\0'.
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The idea of using a parasite for text layers is to keep the XCF
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files backward compatible. Although gimp-1.2 doesn't know how
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to handle the text layer, it keeps the parasite intact.
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"gfig" (LAYER, PERSISTENT)
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As of GIMP 2.2, the gfig plug-in creates its own layers, and
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stores a representation of the figure as a layer parasite.
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@ -213,7 +220,6 @@ Global data follows no strict rules.
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------------------------------------------------------------------
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*** PARASITE FORMAT:
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The parasite data format is not rigidly specified. For non-persistant
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@ -256,7 +262,7 @@ non-persistant data might be fine as well):
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NOTE: libgimp/gserialize.[ch] has been excluded from the build since
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gimp-1.2. This decision was made since noone seemed to use it so
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far. The files can still be pulled out of CVS, so if you decide
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far. The files can still be pulled out of SVN, so if you decide
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to use them, you will have to include a copy into your plugin
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source or resurrect the functionality in libgimp.
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