Nothing
render_path <- function(fill, colour, linewidth, linetype, linejoin) {
dev <- agg_capture()
grid::grid.path(
x = c(0.5, 0.9, 0.5, 0.1, 0.4, 0.4, 0.6, 0.6),
y = c(0.9, 0.5, 0.1, 0.5, 0.4, 0.6, 0.6, 0.4),
id.lengths = c(4, 4),
gp = grid::gpar(fill = fill, col = colour, lwd = linewidth,
lty = linetype, linejoin = linejoin),
rule = 'evenodd'
)
out <- dev()
dev.off()
out
}
test_that("path stroke works", {
path <- table(render_path(NA, 'black', 14, 'solid', 'round'))
expect_equal(path[['white']], 212800)
expect_equal(path[['black']], 13776)
path <- table(render_path(NA, 'black', 14, 'dotdash', 'round'))
expect_equal(path[['black']], 7896)
path <- table(render_path(NA, 'black', 14, 'solid', 'mitre'))
expect_equal(path[['black']], 13824)
path <- table(render_path(NA, 'blue', 14, 'solid', 'round'))
expect_equal(path[['blue']], 13776)
path <- table(render_path(NA, '#DE2D7633', 14, 'solid', 'round'))
expect_equal(path[['#F8D5E4']], 13776)
})
test_that("path fill works", {
path <- table(render_path('black', NA, 4, 'solid', 'round'))
expect_equal(path[['white']], 165504)
expect_equal(path[['black']], 64128)
path <- table(render_path('blue', NA, 4, 'solid', 'round'))
expect_equal(path[['blue']], 64128)
path <- table(render_path('#DE2D7633', NA, 4, 'solid', 'round'))
expect_equal(path[['#F8D5E4']], 64128)
})
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