| savePlot | R Documentation |
Save the current page of a cairo X11() device to a file.
savePlot(filename = paste0("Rplot.", type),
type = c("png", "jpeg", "tiff", "bmp"),
device = dev.cur())
filename |
filename to save to. |
type |
file type. |
device |
the device to save from. |
Only cairo-based X11 devices are supported.
This works by copying the image surface to a file. For PNG will always be a 24-bit per pixel PNG ‘DirectClass’ file, for JPEG the quality is 75% and for TIFF there is no compression.
For devices with buffering this copies the buffer's image surface, so
works even if dev.hold has been called.
The plot is saved after rendering onto the canvas (default opaque
white), so for the default bg = "transparent" the effective
background colour is the canvas colour.
Invisible NULL.
There is a similar function of the same name but more types for
windows devices on Windows: that has an additional argument
restoreConsole which is only supported on Windows.
recordPlot() which is device independent. Further,
X11, dev.copy, dev.print
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