search for: dev_cap

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2009 Dec 01
6
raster support in graphics devices
...s is for developers of extension packages that provide extra *graphics devices* for R. In the *development* version of R, support has been added to the graphics engine for sending raster images (bitmaps) to a graphics device. This consists mainly of two new device functions: dev_Raster() and dev_Cap(). The R_GE_version constant (in GraphicsEngine.h) has been bumped up to 6 as a marker of this change. This means that, at a minimum, all graphics devices should be updated to provide dummy implementations of these new functions that just say the feature is not yet implemented (see for example...