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library(ggplot2)
library(marquee)
library(rlang)
library(grid)
library(gtable)

# Constructor -------------------------------------------------------------

#' Text guide
#'

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rle_2d <- function(matrix) {

  # If we have an empty matrix, we return 0-row data.frame
  if (prod(dim(matrix)) < 1) {
    ans <- data.frame(
      col.start = integer(),
      col.end   = integer(),
      row.start = integer(),
      row.end   = integer(),
      value     = as.vector(matrix)

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library(epoxy)
library(ggplot2)
library(ggtext)

# Creating an epoxy theme element
element_epoxy <- function(...) {
  el <- ggtext::element_markdown(...)
  class(el) <- union("element_epoxy", class(el))
  el
}

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library(grid)
library(scales)
library(textshaping)

label <- "Here be some text on a path"

# Setup some curve
t <- seq(10, 0, by = -0.05)
curve <- data.frame(

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# Load libraries
library(ggplot2)
library(grid)
library(rlang)
library(grImport2)

# Replace by intended SVG file
file <- "https://upload.wikimedia.org/wikipedia/commons/d/db/Brain_Drawing.svg"
download.file(file, tmp <- tempfile(fileext = ".svg"))

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library(ggplot2)

accidental_art <- function(x, r = 1.9) {
  x <- cor(x)
  n <- dim(x)[1]
  mask <- matrix(0, ncol(x), nrow(x))
  rad <- n/2
  xcen <- 0
  ycen <- 0
  

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library(grid)
library(scales)
library(gtable)
library(rlang)

# Constructor -------------------------------------------------------------

#' Combination matrix axis
#'
#' @inheritParams guide_axis

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# Preface:
# This document has two function to rasterise ggplot2 layers.
# The functions are very similar in structure to those in thomas85's ggfx package (https://github.com/thomasp85/ggfx),
# The ggfx package is licenced under an MIT licence, so I think this should be OK.

library(ggplot2)
library(grid)
library(ragg)
library(png)

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library(ggplot2)
library(tuneR)

midi <- tuneR::readMidi("https://www.8notes.com/school/midi/piano/beethoven_ode_to_joy.mid")


df <- tuneR::getMidiNotes(midi)

# Difference between first two notes
mult <- 960