id	summary	reporter	owner	description	type	status	priority	milestone	component	version	severity	resolution	keywords	cc
3455	Better management of transparency in SWIG Java bindings	danieleromagnoli	rouault	"This is a proposal to improve the transparency management when generating JAVA Bindings:
Actually, the bindings allow to return an !IndexColorModel from a GDALColorTable.
http://java.sun.com/j2se/1.4.2/docs/api/java/awt/image/IndexColorModel.html

However, there isn't special management for cases where there is only a single fully transparent alpha element or cases where all pixels are opaque.

The proposed patch allows to setup an !IndexColorModel with the following set of rules:
 * If the !ColorTable contains N elements and all the elements are opaques, then setup a simple !IndexColorModel with R,G,B entries.
 * Else, if the !ColorTable contains N elements where N-1 elements are fully opaque and only a single one has alpha == 0 (fully transparent), then setup an !IndexColorModel where you specify the index in the table of the unique transparent pixel.
 * Else (there are several alpha pixels with different opacity) setup an !IndexColorModel with R,G,B,Alpha entries.

Can you please review that patch and apply it if ok?"	enhancement	closed	normal	1.7.2	JavaBindings	1.7.1	normal	fixed