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Kyle
2018-08-17 20:11:47 -07:00
committed by GitHub
parent 047027b44c
commit e787ce7d10
1 changed files with 16 additions and 3 deletions
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17
KCI/data/scripts/mask.js
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@@ -1,13 +1,26 @@
var mask = document.createElement("canvas") var mask = document.createElement("canvas")
var maskContext = mask.getContext("2d") var maskContext = mask.getContext("2d")
function drawMask(img, x, y, width, height, imgMask){ function drawMask(img, x, y, width, height, imgMask, secondMask, arg) {
mask.width = width mask.width = width
mask.height = height mask.height = height
maskContext.clearRect(0, 0, width, height) maskContext.clearRect(0, 0, width, height)
maskContext.globalCompositeOperation = "source-over" maskContext.globalCompositeOperation = "source-over"
if (secondMask.src != undefined) {
maskContext.drawImage(secondMask, 0, 0, width, height)
if (arg == "reverseSecond") {
maskContext.globalCompositeOperation = "source-out"
} else {
maskContext.globalCompositeOperation = "source-in"
}
}
maskContext.drawImage(imgMask, 0, 0, width, height) maskContext.drawImage(imgMask, 0, 0, width, height)
maskContext.globalCompositeOperation = "source-atop" maskContext.globalCompositeOperation = "source-in"
if (img.src == undefined) {
maskContext.fillStyle = img
maskContext.fillRect(0, 0, width, height)
} else {
maskContext.drawImage(img, 0, 0, width, height) maskContext.drawImage(img, 0, 0, width, height)
}
card.drawImage(mask, x, y, width, height) card.drawImage(mask, x, y, width, height)
} }