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Add tests for examples from Nim in Action.

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This commit is contained in:
Dominik Picheta 2017-10-01 17:17:40 +01:00
commit 7889c03cbc
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tests/niminaction/Chapter8/canvas/canvas_test.nim Normal file
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import canvas, dom
proc onLoad() {.exportc.} =
var canvas = document.getElementById("canvas").EmbedElement
canvas.width = window.innerWidth
canvas.height = window.innerHeight
var ctx = canvas.getContext("2d")
ctx.fillStyle = "#1d4099"
ctx.fillRect(0, 0, window.innerWidth, window.innerHeight)
ctx.strokeStyle = "#ffffff"
let letterWidth = 100
let letterLeftPos = (window.innerWidth div 2) - (letterWidth div 2)
ctx.moveTo(letterLeftPos, 320)
ctx.lineTo(letterLeftPos, 110)
ctx.lineTo(letterLeftPos + letterWidth, 320)
ctx.lineTo(letterLeftPos + letterWidth, 110)
ctx.stroke()