Enlightenment CVS committal
Author : andyetitmoves
Project : e17
Module : libs/imlib2
Dir : e17/libs/imlib2
Modified Files:
README.ID3
Log Message:
Added documentation for tag id3-link-url
Made the section on performance issues a bit clearer
===================================================================
RCS file: /cvsroot/enlightenment/e17/libs/imlib2/README.ID3,v
retrieving revision 1.1
retrieving revision 1.2
diff -u -3 -r1.1 -r1.2
--- README.ID3 9 Aug 2005 09:11:02 -0000 1.1
+++ README.ID3 22 Aug 2005 09:50:50 -0000 1.2
@@ -98,6 +98,10 @@
| |encoding used for the string is given by the imlib tag
|
| |id3-description-text-encoding.
|
+---------------+---------------------------------------------------------------+
+| |The tag could give an external image URL for the picture
|
+| id3-link-url |instead of the actual picture data. The loader uses the URL
to |
+| |load the image then, and exposes the URL given by this tag.
|
++---------------+---------------------------------------------------------------+
Eg: to process all images in a file, the following pseudocode should work:
@@ -112,11 +116,11 @@
PERFORMANCE ISSUES
------------------
-The loader parses picture data from audio files and caches them, as long as any
-of the images using the data exist. This is useful when there are many images
in
-the same file, as loading subsequent images use this cache. So, caching is
-turned off when there is only one image in the file, and turned on
-otherwise. When memory consumption is of importance, developers likely to use
-this loader frequently need to keep this in mind when deciding on the imlib
-cache size - with caching on, as long as the image remains in use or in cache,
-this parsed data stays along.
+An ID3v2 tag can contain many picture frames, and it is economical to get all
+the picture frames from a tag all at once. So, when the loader is called for
one
+frame of the tag, and there is more than one frame in the tag, the picture data
+for all the frames is parsed and cached, to speed up the loading of the other
+picture frames. When memory consumption is of importance, developers likely to
+use this loader frequently need to keep this in mind when deciding on the imlib
+cache size - as long as the image remains in use or in cache, this parsed data
+could stay along.
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