Nothing
library("R.devices")
message("*** capturePlot() ...")
cat("Default graphics device:\n")
str(getOption("device"))
message("*** capturePlot() - as.architecture() ...")
path <- system.file("exdata", package="R.devices")
pattern <- "^capturePlot,.*[.]rds$"
pathnames <- dir(path=path, pattern=pattern, full.names=TRUE)
for (kk in seq_along(pathnames)) {
pathname <- pathnames[kk]
message(sprintf("- File #%d ('%s') ...", kk, pathname))
g <- readRDS(pathname)
arch <- architecture(g)
str(arch)
## Currently, as.architecture() cannot coerce endianess
if (arch$endian == .Platform$endian) {
## Currently, as.architecture() cannot change pointer size
# if (arch$ptrsize == .Machine$sizeof.pointer) {
g8_1 <- as.architecture(g, ptrsize=8L)
arch8_1 <- architecture(g8_1)
str(arch8_1)
g8_1b <- as.architecture(g8_1, ptrsize=8L)
arch8_1b <- architecture(g8_1b)
str(arch8_1b)
stopifnot(identical(arch8_1b, arch8_1))
stopifnot(identical(g8_1b, g8_1))
g4_1 <- as.architecture(g8_1, ptrsize=4L)
arch4_1 <- architecture(g4_1)
str(arch4_1)
g8_2 <- as.architecture(g4_1, ptrsize=8L)
arch8_2 <- architecture(g8_2)
str(arch8_2)
stopifnot(identical(g8_2, g8_1))
g_2 <- as.architecture(g)
arch_2 <- architecture(g_2)
str(arch_2)
if (getRversion() >= "3.3.0") {
try(replayPlot(g_2))
}
# } ## if (arch$ptrsize == .Machine$sizeof.pointer)
} ## if (arch$endian == .Platform$endian)
} ## for (kk ...)
message("*** capturePlot() - as.architecture() ... DONE")
message("*** capturePlot() - capture and replay ...")
if (getRversion() >= "3.3.0") {
message("- capture")
g <- capturePlot({
plot(1:10)
})
message("- system information")
system <- attr(g, "system")
print(system)
message("- saving")
## Record for troubleshooting
tags <- sprintf("%s=%s", names(system), system)
pathname <- sprintf("capturePlot,%s.rds", paste(tags, collapse=","))
saveRDS(g, file=pathname)
message("- architecture")
print(architecture(g))
message("- replay")
## Replay
replayPlot(g)
message("- display")
## Display
print(g)
message("- toDefault()")
## Display with a 2/3 aspect ratio
toDefault(aspectRatio=2/3, print(g))
message("- devEval()")
## Redraw to many output formats
devEval(c("{png}", "{eps}", "{pdf}"), aspectRatio=2/3, print(g))
} ## if (getRversion() >= "3.3.0")
message("*** capturePlot() - capture and replay ... DONE")
message("*** capturePlot() ... DONE")
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