Time for action – using Images in JFace
The TimeZoneLabelProvider can return an SWT Image. Although they can be loaded dynamically as in the previous chapter, JFace provides a number of resource registries that can be used to manage a set of resources for the application. Standard registries include the ImageRegistry, FontRegistry, and ColorRegistry classes. The purpose of a resource registry is to maintain a list of Resource instances and ensure that they are correctly disposed when they are no longer needed.
JFace has a set of these global registries; but there are specific ones, for example, those used by the IDE to maintain folder and file type icons. These use resource descriptors as a lightweight handle for the resource, and a means to acquire ...
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