mirror of
https://github.com/Investigamer/cardconjurer.git
synced 2025-07-27 21:31:39 -05:00
3.0
This commit is contained in:
225
old/data/symbol/symbol.js
Normal file
225
old/data/symbol/symbol.js
Normal file
@@ -0,0 +1,225 @@
|
||||
//============================================//
|
||||
// Card Conjurer, by Kyle Burton //
|
||||
//============================================//
|
||||
canvas = document.getElementById("canvas")
|
||||
symbol = canvas.getContext("2d")
|
||||
maskCanvas = document.createElement("canvas")
|
||||
maskContext = maskCanvas.getContext("2d")
|
||||
transparentCanvas = document.createElement("canvas")
|
||||
transparentContext = transparentCanvas.getContext("2d")
|
||||
cropCanvas = document.createElement("canvas")
|
||||
cropContext = cropCanvas.getContext("2d")
|
||||
gradientCanvas = document.createElement("canvas")
|
||||
gradientCanvas.width = 750
|
||||
gradientCanvas.height = 750
|
||||
gradientContext = gradientCanvas.getContext("2d")
|
||||
finalCanvas = document.createElement("canvas")
|
||||
finalContext = finalCanvas.getContext("2d")
|
||||
|
||||
symbol.fillStyle = "black"
|
||||
|
||||
var imgOriginalSymbol = new Image()
|
||||
var imgTransparentSymbol = new Image()
|
||||
var imgCroppedSymbol = new Image()
|
||||
var imgTempFinalSymbol = new Image()
|
||||
var imgFinalSymbol = new Image()
|
||||
|
||||
imgOriginalSymbol.crossOrigin = "anonymous"
|
||||
imgTransparentSymbol.crossOrigin = "anonymous"
|
||||
imgCroppedSymbol.crossOrigin = "anonymous"
|
||||
imgTempFinalSymbol.crossOrigin = "anonymous"
|
||||
imgFinalSymbol.crossOrigin = "anonymous"
|
||||
|
||||
imgOriginalSymbol.onload = function() {
|
||||
whiteToTransparent(imgOriginalSymbol, imgTransparentSymbol)
|
||||
}
|
||||
imgTransparentSymbol.onload = function() {
|
||||
autocrop(imgTransparentSymbol, imgCroppedSymbol)
|
||||
}
|
||||
imgCroppedSymbol.onload = function() {
|
||||
createSymbol()
|
||||
}
|
||||
imgTempFinalSymbol.onload = function() {
|
||||
autocrop(this, imgFinalSymbol)
|
||||
}
|
||||
imgFinalSymbol.onload = function() {
|
||||
finalCanvas.width = imgFinalSymbol.width
|
||||
finalCanvas.height = imgFinalSymbol.height
|
||||
finalContext.clearRect(0, 0, finalCanvas.width, finalCanvas.height)
|
||||
finalContext.drawImage(imgFinalSymbol, 0, 0)
|
||||
}
|
||||
|
||||
function createSymbol() {
|
||||
if (imgCroppedSymbol.src != "") {
|
||||
symbol.clearRect(0, 0, canvas.width, canvas.height)
|
||||
maskContext.globalCompositeOperation = "source-over"
|
||||
maskCanvas.width = imgCroppedSymbol.width
|
||||
maskCanvas.height = imgCroppedSymbol.height
|
||||
maskContext.clearRect(0, 0, maskCanvas.width, maskCanvas.height)
|
||||
maskContext.drawImage(imgCroppedSymbol, 0, 0)
|
||||
maskContext.globalCompositeOperation = "source-in"
|
||||
maskContext.fillStyle = document.getElementById("inputBorderColor").value
|
||||
maskContext.fillRect(0, 0, maskCanvas.width, maskCanvas.height)
|
||||
var symbolSize = 500
|
||||
if (imgCroppedSymbol.width > imgCroppedSymbol.height) {
|
||||
width = symbolSize
|
||||
height = imgCroppedSymbol.height * symbolSize / imgCroppedSymbol.width
|
||||
} else {
|
||||
width = imgCroppedSymbol.width * symbolSize / imgCroppedSymbol.height
|
||||
height = symbolSize
|
||||
}
|
||||
var borderThickness = parseInt(document.getElementById("inputBorderThickness").value)
|
||||
var left = 375 - borderThickness
|
||||
var right = 375 + borderThickness
|
||||
var top = 375 - borderThickness
|
||||
var bottom = 375 + borderThickness
|
||||
for (var x = left; x <= right; x++) {
|
||||
for (var y = top; y <= bottom; y++) {
|
||||
symbol.drawImage(maskCanvas, x - width / 2, y - height / 2, width, height)
|
||||
}
|
||||
}
|
||||
gradientContext.globalCompositeOperation = "source-over"
|
||||
gradientContext.clearRect(0, 0, gradientCanvas.width, gradientCanvas.height)
|
||||
gradientContext.drawImage(imgCroppedSymbol, 375 - width / 2, 375 - height / 2, width, height)
|
||||
gradientContext.globalCompositeOperation = "source-in"
|
||||
var angle = parseInt(document.getElementById("inputGradientAngle").value) * Math.PI / 180
|
||||
while (angle <= 0) {
|
||||
angle += Math.PI * 2
|
||||
}
|
||||
while (angle > Math.PI * 2) {
|
||||
angle -= Math.PI * 2
|
||||
}
|
||||
var outerColor = document.getElementById("inputOuterColor").value
|
||||
var innerColor = document.getElementById("inputInnerColor").value
|
||||
if (document.getElementById("inputRarity").value != "custom") {
|
||||
outerColor = document.getElementById("inputRarity").value.split(",")[0]
|
||||
innerColor = document.getElementById("inputRarity").value.split(",")[1]
|
||||
}
|
||||
var gradientHorizontal = 0
|
||||
var gradientVertical = 0
|
||||
if (angle > 7 * Math.PI / 4 || angle <= Math.PI / 4) {
|
||||
gradientHorizontal = 250
|
||||
gradientVertical = Math.sin(angle) * 250 / Math.cos(angle)
|
||||
} else if (angle > 5 * Math.PI / 4) {
|
||||
gradientHorizontal = Math.sin(3 * Math.PI / 2 - angle) * -250 / Math.sin(angle - Math.PI)
|
||||
gradientVertical = -250
|
||||
} else if (angle > 3 * Math.PI / 4) {
|
||||
gradientHorizontal = -250
|
||||
gradientVertical = Math.sin(Math.PI - angle) * 250 / Math.cos(Math.PI - angle)
|
||||
} else {
|
||||
gradientHorizontal = Math.cos(angle) * 250 / Math.sin(angle)
|
||||
gradientVertical = 250
|
||||
}
|
||||
var gradient = gradientContext.createLinearGradient(375 - gradientHorizontal, 375 - gradientVertical, 375 + gradientHorizontal, 375 + gradientVertical)
|
||||
gradient.addColorStop(0, outerColor)
|
||||
gradient.addColorStop(0.5, innerColor)
|
||||
gradient.addColorStop(1, outerColor)
|
||||
gradientContext.fillStyle = gradient
|
||||
|
||||
gradientContext.fillRect(125, 125, 500, 500)
|
||||
symbol.drawImage(gradientCanvas, 0, 0)
|
||||
|
||||
imgTempFinalSymbol.src = canvas.toDataURL()
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
|
||||
//Function that auto... makes the image's white pixels transparent
|
||||
function whiteToTransparent(source, destination) {
|
||||
//Create image, size canvas, draw image
|
||||
var imgTempTarget = new Image()
|
||||
imgTempTarget.crossOrigin = "anonymous"
|
||||
imgTempTarget.src = source.src
|
||||
imgTempTarget.onload = function() {
|
||||
if (imgTempTarget.width > 0 && imgTempTarget.height > 0) {
|
||||
transparentCanvas.width = imgTempTarget.width
|
||||
transparentCanvas.height = imgTempTarget.height
|
||||
transparentContext.drawImage(imgTempTarget, 0, 0)
|
||||
//declare variables
|
||||
var width = transparentCanvas.width
|
||||
var height = transparentCanvas.height
|
||||
var imageData = transparentContext.getImageData(0, 0, transparentCanvas.width, transparentCanvas.height)
|
||||
var x, y, index
|
||||
//Go through every pixel and
|
||||
for (y = 0; y < height; y++) {
|
||||
for (x = 0; x < width; x++) {
|
||||
index = (y * width + x) * 4
|
||||
if (imageData.data[index] >= 240 && imageData.data[index + 1] >= 240 && imageData.data[index + 2] >= 240) {
|
||||
imageData.data[index + 3] = 0
|
||||
}
|
||||
}
|
||||
}
|
||||
transparentContext.clearRect(0, 0, width, height)
|
||||
transparentContext.putImageData(imageData, 0, 0)
|
||||
destination.src = transparentCanvas.toDataURL()
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
//Function that autocrops the image
|
||||
function autocrop(source, destination) {
|
||||
//Create image, size canvas, draw image
|
||||
var imgTempTarget = new Image()
|
||||
imgTempTarget.crossOrigin = "anonymous"
|
||||
imgTempTarget.src = source.src
|
||||
imgTempTarget.onload = function() {
|
||||
if (imgTempTarget.width > 0 && imgTempTarget.height > 0) {
|
||||
cropCanvas.width = imgTempTarget.width
|
||||
cropCanvas.height = imgTempTarget.height
|
||||
cropContext.drawImage(imgTempTarget, 0, 0)
|
||||
//declare variables
|
||||
var width = cropCanvas.width
|
||||
var height = cropCanvas.height
|
||||
var pix = {x:[], y:[]}
|
||||
var imageData = cropContext.getImageData(0, 0, cropCanvas.width, cropCanvas.height)
|
||||
var x, y, index
|
||||
if (imageData.data.length > 4) {
|
||||
//Go through every pixel and
|
||||
for (y = 0; y < height; y++) {
|
||||
for (x = 0; x < width; x++) {
|
||||
//(y * width + x) * 4 + 3 calculates the index at which the alpha value of the pixel at x, y is given
|
||||
index = (y * width + x) * 4 + 3
|
||||
if (imageData.data[index] > 0) {
|
||||
//pix is the image object that stores two arrays of x and y coordinates. These stored coordinates are all the visible pixels
|
||||
pix.x.push(x)
|
||||
pix.y.push(y)
|
||||
}
|
||||
}
|
||||
}
|
||||
//sorts the arrays numerically
|
||||
pix.x.sort(function(a,b){return a-b})
|
||||
pix.y.sort(function(a,b){return a-b})
|
||||
var n = pix.x.length - 1
|
||||
//Finds the difference between the leftmost and rightmost visible pixels, and the topmost and bottommost pixels, cuts out a section of the canvas
|
||||
width = pix.x[n] - pix.x[0]
|
||||
height = pix.y[n] - pix.y[0]
|
||||
var cropped = cropContext.getImageData(pix.x[0], pix.y[0], width + 1, height + 1)
|
||||
//Resizes the canvas and draws cropped image
|
||||
cropCanvas.width = width + 1
|
||||
cropCanvas.height = height + 1
|
||||
cropContext.putImageData(cropped, 0, 0)
|
||||
//Saves the newly cropped image to the given image
|
||||
destination.src = cropCanvas.toDataURL()
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
|
||||
//Loads images via URL
|
||||
function imageURL(input, targetImage, processes) {
|
||||
targetImage.cropStatus = processes
|
||||
targetImage.src = "https://cors-anywhere.herokuapp.com/" + input
|
||||
}
|
||||
|
||||
//Downloads the image!
|
||||
function downloadCardImage(linkElement) {
|
||||
var symbolImageData = finalCanvas.toDataURL()
|
||||
if (symbolImageData == undefined) {
|
||||
alert("Sorry, it seems that you cannot download your symbol. Please try using a different browser/device.")
|
||||
}
|
||||
linkElement.href = symbolImageData
|
||||
}
|
Reference in New Issue
Block a user