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26 changes: 10 additions & 16 deletions lib/plox/graph_scale.ex
Original file line number Diff line number Diff line change
Expand Up @@ -15,24 +15,18 @@ defmodule Plox.GraphScale do
def values(%__MODULE__{scale: scale}, opts \\ %{}), do: Scale.values(scale, opts)

def to_graph_x(%__MODULE__{scale: scale, dimensions: dimensions}, value) do
Scale.convert_to_range(
scale,
value,
(dimensions.margin.left +
dimensions.padding.left)..(dimensions.width -
dimensions.margin.right -
dimensions.padding.right)
)
first = dimensions.margin.left + dimensions.padding.left
last = dimensions.width - dimensions.margin.right - dimensions.padding.right
step = if first < last, do: 1, else: -1

Scale.convert_to_range(scale, value, first..last//step)
end

def to_graph_y(%__MODULE__{scale: scale, dimensions: dimensions}, value) do
Scale.convert_to_range(
scale,
value,
(dimensions.height -
dimensions.margin.bottom -
dimensions.padding.bottom)..(dimensions.margin.top +
dimensions.padding.top)
)
first = dimensions.height - dimensions.margin.bottom - dimensions.padding.bottom
last = dimensions.margin.top + dimensions.padding.top
step = if first < last, do: 1, else: -1

Scale.convert_to_range(scale, value, first..last//step)
end
end
2 changes: 1 addition & 1 deletion mix.exs
Original file line number Diff line number Diff line change
@@ -1,7 +1,7 @@
defmodule Plox.MixProject do
use Mix.Project

@version "0.2.0"
@version "0.2.1"
@source_url "https://github.com/gridpoint-com/plox"

def project do
Expand Down