bigbond.jl

### A Pluto.jl notebook ###
# v0.12.4

using Markdown
using InteractiveUtils

# This Pluto notebook uses @bind for interactivity. When running this notebook outside of Pluto, the following 'mock version' of @bind gives bound variables a default value (instead of an error).
macro bind(def, element)
    quote
        local el = $(esc(element))
        global $(esc(def)) = Core.applicable(Base.get, el) ? Base.get(el) : missing
        el
    end
end

# ╔═╡ cccd3524-7fd7-11ea-241b-a35f2ca3e245
using JSON

# ╔═╡ 1836b868-dd53-11ea-3711-cd4504b2aca0
tic = Ref(time())

# ╔═╡ 66181f40-dd53-11ea-22ad-a7f633462733


# ╔═╡ e0ce06f8-7fd6-11ea-2b59-ff9d69c47d42
@bind x html"""
<canvas id="drawboard" width="200" height="200"></canvas>

<script>
const canvas = document.querySelector("canvas#drawboard")
const ctx = canvas.getContext("2d")

var startX = 80
var startY = 40

function sendvalue() {
	// 🐸 This is how we send the value back to Julia 🐸 //
	const raw = ctx.getImageData(0,0,200,200).data
	canvas.value = raw.buffer
	
	canvas.dispatchEvent(new CustomEvent("input"))
}

function onmove(e){
	ctx.fillStyle = '#ffecec'
	ctx.fillRect(0, 0, 200, 200)
	ctx.fillStyle = '#3f3d6d'
	ctx.fillRect(startX, startY, e.layerX - startX, e.layerY - startY)

	sendvalue()
}

canvas.onmousedown = e => {
	startX = e.layerX
	startY = e.layerY
	canvas.onmousemove = onmove
}

canvas.onmouseup = e => {
	canvas.onmousemove = null
}

// To prevent this code block from showing and hiding
canvas.onclick = e => e.stopPropagation()

// Fire a fake mousemoveevent to show something
onmove({layerX: 130, layerY: 160})

</script>
"""

# ╔═╡ 25b8e04a-dd53-11ea-2067-adfc77c6b0fc
let
	x
	toc = time()
	Δt = toc - tic[]
	tic[] = toc
	Δt
end

# ╔═╡ 59ecd6aa-0fe6-11eb-1e8d-f1f3e99fcd3b
x

# ╔═╡ a8eb7240-7fe8-11ea-3379-e1f3cd6f4684
begin
	import Base: endswith
	
	function endswith(vec::Vector{T}, suffix::Vector{T}) where T
	    local liv = lastindex(vec)
	    local lis = lastindex(suffix)
	    liv >= lis && (view(vec, (liv-lis + 1):liv) == suffix)
	end
end

# ╔═╡ cd83f1a0-7fe7-11ea-1546-910dec41906e
endswith([1,2,3], [2,3, 4, 5])

# ╔═╡ 27d5bed6-7fe8-11ea-1a8a-af798742d71d
view([1,2,3], 2:end) == [2,3]

# ╔═╡ 61fb01fc-7fe8-11ea-04f6-c1a6fb545a0d


# ╔═╡ fed7690c-7fe8-11ea-221c-edefefcd4aef
begin
	str = "asdfasdfdfas"
	append!(str, "xx")
end

# ╔═╡ 0522a574-7fe9-11ea-2f03-a1a519041e62
codeunits(str)|> Vector{UInt8}

# ╔═╡ ff660100-7fd7-11ea-080f-d762a0764752
obj = Dict(:a => Dict(:b => str), :c => :d)

# ╔═╡ deb4cf4a-7fd7-11ea-2a63-7b27570cd414
JSON.Parser.parse( codeunits(JSON.json(obj)) |> Vector{UInt8} |> String) |> length

# ╔═╡ Cell order:
# ╠═1836b868-dd53-11ea-3711-cd4504b2aca0
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# ╠═e0ce06f8-7fd6-11ea-2b59-ff9d69c47d42
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