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47 lines
1.1 KiB
47 lines
1.1 KiB
#' Absolute grob
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#'
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#' This grob has fixed dimensions and position.
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#'
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#' It's still experimental
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#'
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#' @keywords internal
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absoluteGrob <- function(grob, width = NULL, height = NULL,
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xmin = NULL, ymin = NULL, vp = NULL) {
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gTree(
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children = grob,
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width = width, height = height,
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xmin = xmin, ymin = ymin,
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vp = vp, cl = "absoluteGrob"
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)
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}
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#' @export
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#' @method grobHeight absoluteGrob
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grobHeight.absoluteGrob <- function(x) {
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x$height %||% grobHeight(x$children)
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}
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#' @export
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#' @method grobWidth absoluteGrob
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grobWidth.absoluteGrob <- function(x) {
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x$width %||% grobWidth(x$children)
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}
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#' @export
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#' @method grobX absoluteGrob
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grobX.absoluteGrob <- function(x, theta) {
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if (!is.null(x$xmin) && theta == "west") return(x$xmin)
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grobX(x$children, theta)
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}
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#' @export
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#' @method grobY absoluteGrob
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grobY.absoluteGrob <- function(x, theta) {
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if (!is.null(x$ymin) && theta == "south") return(x$ymin)
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grobY(x$children, theta)
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}
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#' @export
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#' @method grid.draw absoluteGrob
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grid.draw.absoluteGrob <- function(x, recording = TRUE) {
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NextMethod()
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}
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