Nothing
as.CairoPath <- function(path)
{
x <- lapply(path, function(element) {
type <- attr(element, "type")
if (is.null(type))
stop("Path element must have an integer 'type' attribute")
as.integer(element)
})
class(x) <- "CairoPath"
x
}
as.CairoGlyph <-
function(x)
{
x <- as.struct("CairoGlyph", c("index", "x", "y"))
x[[1]] <- as.numeric(x[[1]])
x[[2]] <- as.numeric(x[[2]])
x[[3]] <- as.numeric(x[[3]])
return(x)
}
as.CairoTextCluster <-
function(x)
{
x <- as.struct("CairoTextCluster", c("num_bytes", "num_glyphs"))
x[[1]] <- as.integer(x[[1]])
x[[2]] <- as.integer(x[[2]])
return(x)
}
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