taiko-web/public/src/js/canvasdraw.js

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JavaScript
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2018-10-01 09:33:43 +02:00
class CanvasDraw{
constructor(){
this.diffStarPath = new Path2D("M3 17 5 11 0 6h6l3-6 3 6h6l-5 5 2 6-6-3")
this.longVowelMark = new Path2D("m1 5c2 3 1 17 .5 25 0 5 6 5 6.5 0C9 22 9 6 7 3 4-2-1 2 1 5")
this.diffIconPath = [[{w: 40, h: 33}, {
fill: "#ff2803",
d: new Path2D("m27 10c9-9 21 9 5 11 10 9-6 18-12 7C14 39-2 30 8 21-8 19 4 1 13 10 6-4 34-3 27 10Z")
}, {
fill: "#ffb910",
noStroke: true,
d: new Path2D("m12 15c5 1 7 0 8-4 1 4 3 5 8 4-4 3-4 5-2 8-4-4-8-4-12 0 2.2-3 2-5-2-8")
}], [{w: 48, h: 31}, {
fill: "#8daf51",
d: new Path2D("m24 0c-3 0-4 3-5 6-2 6-2 11 0 17 0 0 1 4 5 8 4-4 5-8 5-8C31 17 31 12 29 6 28 3 27 0 24 0M37 2c4 3 7 6 8 8 2 4 3 6 2 13C43 21 39 18 39 18 35 15 32 12 30 8 27 0 32-2 37 2M11 2C7 5 4 8 3 10 1 14 0 16 1 23 5 21 9 18 9 18 13 15 16 12 18 8 21 0 16-2 11 2")
}], [{w: 56, h: 37}, {
fill: "#784439",
d: new Path2D("m26 34v-2c-10 1-12 0-12-7 4-3 8-5 14-5 6 0 10 2 14 5 0 7-2 8-12 7V34Z")
}, {
fill: "#000",
noStroke: true,
d: new Path2D("m18 19v9h8v-9m4 9h8v-9h-8")
}, {
fill: "#414b2b",
d: new Path2D("M8 26C3 26-3 21 2 11 6 5 11 4 18 10c0-6 4-10 10-10 6 0 10 4 10 10 7-6 12-5 16 1 5 10-1 15-6 15-5 0-10-7-20-7-10 0-15 7-20 7")
}], [{w: 29, h: 27}, {
fill: "#db1885",
d: new Path2D("m18 9c1 3 4 4 7 3 0 4 1 11 4 16H0c3-5 4-12 4-16 3 1 6 0 7-3z")
}, {
fill: "#fff",
d: new Path2D("m6 0.5-2 11c4 1.5 6-0.5 6.5-3zm17 0-4.5 8C19 11 21 13 25 11.5ZM5.5 17.5C4.5 23.5 9 25 11 22Zm18 0L18 22c2 3 6.5 1.5 5.5-4.5z")
}]]
this.diffPath = {
good: new Path2D("m12 17c4 3 9 7 10 9 0 0 1 3-1 3C19 29 9 18 9 18m6 2c3 0 3-3 3-3 2-1 5 1 4 3-1 1-2 2-5 3m-1 0C13 26 4 29 1 29 0 29 0 26 0 26 0 24 2 24 2 24V13l5-1v4l8-1c1 0 1-3 1-3 0 0-9 1-14 1V8L7 7v4.5L15 11C16 11 16 8 16 8 16 7 2 9 2 9-1 10 0 5 1 5h10l6-1c3 0 4 2 4 6 0 3-1 7-1 7L7 19v4.5c4 0 7-2.5 7-2.5M9 6C8 4 8 1 8 1c0 0 4-1 6 0 0 0 0 3 1 5"),
ok: new Path2D("m4 10c0 0 3-1 7-1 4 0 3 8 2 11-1 2-3 1-3 1-1-1 1-7 0-8-1-1-4-1-6 0m8 6c-1 1.2-7 1-7 1v-3c0 0 6 0 7-1M2 10c1-2 3 0 3 0 0 0 0 4 1 9-2 3-4 2-4 0zM21 5v19c0 1-2 3-3 3-1 0-5-4-5-4 0-1 4-1 4-1V5M1 2C12 2 17.9 0 20 0 23 0 25 3 21 5 11.7 6 9 6 5 6 0 7-1 2 1 2Z"),
bad: new Path2D("m13 7c8 0 10 9 10 9 1 4-6 3-8 0 0-1 4 0 2.5-3 0 0-2.5-4-4.5 0M16 6 3 18c-2 2-4 1-4 0 0-1 8-8 9-12m6 0c1 8 0 18 0 18-0.1 1-2 3-3 3-1 0-5-4-5-4 0-1 4-1 4-1 0 0-1-8 0-16M2 7C1 7 1 2 2 2 10 2 21 0 22 1 22 1 24 2 24 4 24 7 2 7 2 7Z")
}
this.crownPath = new Path2D("m82 21c0-4 3-6 5.5-6 2.5 0 5.5 2 5.5 6 0 4-3 6-5.5 6C85 27 82 25 82 21ZM41.5 6c0-4 3-6 5.5-6 2.5 0 5.5 2 5.5 6 0 4-3 6-5.5 6-2.5 0-5.5-2-5.5-6zM1 21C1 17 4 15 6.5 15 9 15 12 17 12 21 12 25 9 27 6.5 27 4 27 1 25 1 21Zm12 46h68l2 11H11ZM13 62 5 18 29 34 47 6 65 34 89 18 81 62Z")
this.regex = {
comma: /[,.]/,
ideographicComma: /[、。]/,
apostrophe: /[']/,
brackets: /[\(\))「」『』]/,
tilde: /[\-~]/,
tall: /[bdfh-l-t0-9-9♪]/,
uppercase: /[A-Z-!]/,
lowercase: /[a-z-z・]/,
latin: /[A-Z-!a-z-z・]/,
smallHiragana: /[ぁぃぅぇぉっゃゅょァィゥェォッャュョ]/,
hiragana: /[\u3040-\u30ff]/,
todo: /[トド]/,
en: /[ceghknsuxyz]/,
em: /[mw]/,
emCap: /[MW]/,
rWidth: /[abdfIjo-rtv-]/,
lWidth: /[il!]/,
uppercaseDigit: /[A-Z-0-9-]/
}
this.tmpCanvas = document.createElement("canvas")
this.tmpCtx = this.tmpCanvas.getContext("2d")
}
roundedRect(config){
var ctx = config.ctx
var x = config.x
var y = config.y
var w = config.w
var h = config.h
var r = config.radius
ctx.beginPath()
ctx.arc(x + r, y + r, r, Math.PI, Math.PI * 1.5)
ctx.arc(x + w - r, y + r, r, Math.PI * 1.5, 0)
ctx.arc(x + w - r, y + h - r, r, 0, Math.PI / 2)
ctx.arc(x + r, y + h - r, r, Math.PI / 2, Math.PI)
ctx.lineTo(x, y + r)
}
songFrame(config){
var ctx = config.ctx
var x = config.x
var y = config.y
var w = config.width
var h = config.height
var border = config.border
var innerBorder = config.innerBorder
var allBorders = border + innerBorder
var innerX = x + allBorders
var innerY = y + allBorders
var innerW = w - allBorders * 2
var innerH = h - allBorders * 2
ctx.save()
ctx.shadowColor = "rgba(0, 0, 0, 0.5)"
ctx.shadowBlur = 10
ctx.shadowOffsetX = 5
ctx.shadowOffsetY = 5
ctx.fillStyle = "#000"
ctx.fillRect(x, y, w, h)
ctx.restore()
ctx.save()
{
let _x = x + border
let _y = y + border
let _w = w - border * 2
let _h = h - border * 2
ctx.fillStyle = config.borderStyle[1]
ctx.fillRect(_x, _y, _w, _h)
ctx.fillStyle = config.borderStyle[0]
ctx.beginPath()
ctx.moveTo(_x, _y)
ctx.lineTo(_x + _w, _y)
ctx.lineTo(_x + _w - innerBorder, _y + innerBorder)
ctx.lineTo(_x + innerBorder, _y + _h - innerBorder)
ctx.lineTo(_x, _y + _h)
ctx.fill()
}
ctx.fillStyle = config.background
ctx.fillRect(innerX, innerY, innerW, innerH)
ctx.save()
ctx.strokeStyle = "rgba(255, 255, 255, 0.3)"
ctx.lineWidth = 3
ctx.strokeRect(innerX, innerY, innerW, innerH)
if(!config.noCrop){
ctx.beginPath()
ctx.rect(innerX, innerY, innerW, innerH)
ctx.clip()
}
config.innerContent(innerX, innerY, innerW, innerH)
ctx.restore()
if(config.highlight){
this.highlight({
ctx: ctx,
x: x,
y: y,
w: w,
h: h,
animate: config.highlight === 2,
animateMS: config.animateMS,
opacity: config.highlight === 1 ? 0.8 : 1
})
}
ctx.restore()
}
highlight(config){
var ctx = config.ctx
ctx.save()
var _x = config.x + 3.5
var _y = config.y + 3.5
var _w = config.w - 7
var _h = config.h - 7
var rect = () => {
if(config.radius){
this.roundedRect({
ctx: ctx,
x: _x,
y: _y,
w: _w,
h: _h,
radius: config.radius
})
ctx.stroke()
}else{
ctx.strokeRect(_x, _y, _w, _h)
}
}
if(config.animate){
ctx.globalAlpha = this.fade((this.getMS() - config.animateMS) % 2000 / 2000)
}else if(config.opacity){
ctx.globalAlpha = config.opacity
}
ctx.strokeStyle = "rgba(255, 249, 1, 0.45)"
ctx.lineWidth = 14
rect()
ctx.strokeStyle = "rgba(255, 249, 1, .8)"
ctx.lineWidth = 8
rect()
ctx.strokeStyle = "#fff"
ctx.lineWidth = 6
rect()
ctx.restore()
}
fade(pos){
if(pos < 0.5){
pos = 1 - pos
}
return (1 - Math.cos(Math.PI * pos * 2)) / 2
}
verticalText(config){
var ctx = config.ctx
var inputText = config.text
var mul = config.fontSize / 40
var ura = false
if(inputText.endsWith(" (裏)")){
inputText = inputText.slice(0, -4)
ura = true
}else if(inputText.endsWith("(裏)")){
inputText = inputText.slice(0, -3)
ura = true
}
var string = inputText.split("")
var drawn = []
var r = this.regex
for(let symbol of string){
if(symbol === " "){
// Space
drawn.push({text: symbol, x: 0, y: 0, h: 18})
}else if(symbol === "ー"){
// Long-vowel mark
drawn.push({svg: this.longVowelMark, x: -4, y: 5, h: 33, scale: [mul, mul]})
}else if(r.comma.test(symbol)){
// Comma, full stop
drawn.push({text: symbol, x: 16, y: -7, h: 0, scale: [1.2, 0.7]})
}else if(r.ideographicComma.test(symbol)){
// Ideographic comma, full stop
drawn.push({text: symbol, x: 16, y: -16, h: 18})
}else if(r.apostrophe.test(symbol)){
// Apostrophe
drawn.push({text: ",", x: 20, y: -39, h: 0, scale: [1.2, 0.7]})
}else if(r.brackets.test(symbol)){
// Rotated brackets
drawn.push({text: symbol, x: 0, y: -5, h: 25, rotate: true})
}else if(r.tilde.test(symbol)){
// Rotated hyphen, tilde
if(symbol === "~"){
symbol = "~"
}
drawn.push({text: symbol, x: 0, y: 2, h: 35, rotate: true})
}else if(r.tall.test(symbol)){
// Tall latin script lowercase, numbers
drawn.push({text: symbol, x: 0, y: 4, h: 34, scale: [1.05, 0.9]})
}else if(r.uppercase.test(symbol)){
// Latin script upper case
drawn.push({text: symbol, x: 0, y: 8, h: 37})
}else if(r.lowercase.test(symbol)){
// Latin script lower case
drawn.push({text: symbol, x: 0, y: -1, h: 28, scale: [1.05, 0.9]})
}else if(r.smallHiragana.test(symbol)){
// Small hiragana, small katakana
drawn.push({text: symbol, x: 0, y: -8, h: 25, right: true})
}else if(r.hiragana.test(symbol)){
// Hiragana, katakana
drawn.push({text: symbol, x: 0, y: 5, h: 38, right: r.todo.test(symbol)})
}else{
// Kanji, other
drawn.push({text: symbol, x: 0, y: 3, h: 39, right: true})
}
}
var drawnHeight = 0
for(let symbol of drawn){
if(config.letterSpacing){
symbol.h += config.letterSpacing
}
drawnHeight += symbol.h * mul
}
ctx.save()
ctx.translate(config.x, config.y)
var scale = 1
if(config.height){
var height = config.height - (ura ? 52 * mul : 0)
if(drawnHeight > height){
scale = height / drawnHeight
ctx.scale(1, scale)
}
}
if(ura){
// Circled ura
drawn.push({text: "裏", x: 0, y: 18, h: 52, ura: true, scale: [1, 1 / scale]})
}
var actions = []
if(config.outline){
actions.push("stroke")
}
if(config.fill){
actions.push("fill")
}
for(let action of actions){
ctx.font = config.fontSize + "px " + config.fontFamily
ctx.textBaseline = "top"
if(action === "stroke"){
ctx.strokeStyle = config.outline
ctx.lineWidth = config.outlineSize * mul
ctx.lineJoin = "round"
ctx.miterLimit = 1
}else if(action === "fill"){
ctx.fillStyle = config.fill
}
var offsetY = 0
for(let symbol of drawn){
var saved = false
var currentX = symbol.x
if(symbol.right){
currentX += 20 * mul
}
var currentY = offsetY + symbol.y * mul
if(symbol.rotate || symbol.scale || symbol.svg || symbol.ura){
saved = true
ctx.save()
if(symbol.rotate){
ctx.translate(currentX + 20 * mul, currentY + 20 * mul)
ctx.rotate(Math.PI / 2)
}else{
ctx.translate(currentX, currentY)
}
if(symbol.scale){
ctx.scale(symbol.scale[0], symbol.scale[1])
ctx.lineWidth = ctx.lineWidth / symbol.scale[0]
}
currentX = 0
currentY = 0
}
if(symbol.svg){
ctx[action](symbol.svg)
}else{
if(symbol.right){
ctx.textAlign = "right"
}else{
ctx.textAlign = "center"
}
if(symbol.ura){
ctx.font = (30 * mul) + "px Meiryo"
ctx.textBaseline = "center"
ctx.beginPath()
ctx.arc(currentX, currentY + (21.5 * mul), (18 * mul), 0, Math.PI * 2)
if(action === "stroke"){
ctx.fillStyle = config.outline
ctx.fill()
}else if(action === "fill"){
ctx.strokeStyle = config.fill
ctx.lineWidth = 2.5 * mul
ctx.fillText(symbol.text, currentX, currentY)
}
ctx.stroke()
}else{
ctx[action + "Text"](symbol.text, currentX, currentY)
}
}
offsetY += symbol.h * mul
if(saved){
ctx.restore()
}
}
}
ctx.restore()
}
layeredText(config, layers){
var ctx = config.ctx
var mul = config.fontSize / 40
ctx.save()
var string = config.text.split("")
if(config.align === "right"){
string.reverse()
}
var drawn = []
var r = this.regex
for(let symbol of string){
if(symbol === "-"){
drawn.push({text: symbol, x: -4, y: 0, w: 28, scale: [0.8, 1]})
}else if(symbol === "™"){
drawn.push({text: symbol, x: -2, y: 0, w: 20, scale: [0.6, 0.5]})
}else if(symbol === " "){
drawn.push({text: symbol, x: 0, y: 0, w: 10})
}else if(r.en.test(symbol)){
// n-width
drawn.push({text: symbol, x: 0, y: 0, w: 28, scale: [1, 0.95]})
}else if(r.em.test(symbol)){
// m-width
drawn.push({text: symbol, x: 0, y: 0, w: 38, scale: [1, 0.95]})
}else if(r.rWidth.test(symbol)){
// r-width
drawn.push({text: symbol, x: 0, y: 0, w: 24, scale: [1, 0.95]})
}else if(r.lWidth.test(symbol)){
// l-width
drawn.push({text: symbol, x: 0, y: -1, w: 12, scale: [1, 0.95]})
}else if(r.emCap.test(symbol)){
// m-width uppercase
drawn.push({text: symbol, x: 0, y: -2, w: 38})
}else if(r.uppercaseDigit.test(symbol)){
// Latin script uppercase, digits
drawn.push({text: symbol, x: 0, y: -2, w: 32})
}else if(r.smallHiragana.test(symbol)){
// Small hiragana, small katakana
drawn.push({text: symbol, x: 0, y: 0, w: 30})
}else if(r.hiragana.test(symbol)){
// Hiragana, katakana
drawn.push({text: symbol, x: 0, y: 0, w: 35})
}else{
drawn.push({text: symbol, x: 0, y: 0, w: 39})
}
}
var drawnWidth = 0
for(let symbol of drawn){
if(config.letterSpacing){
symbol.w += config.letterSpacing
}
drawnWidth += symbol.w
}
ctx.translate(config.x, config.y)
var scale = 1
if(config.width && drawnWidth > config.width){
scale = config.width / drawnWidth
ctx.scale(scale, 1)
}
ctx.font = config.fontSize + "px " + config.fontFamily
ctx.textBaseline = "top"
ctx.textAlign = "center"
for(let layer of layers){
var action = "strokeText"
if(layer.outline){
ctx.strokeStyle = layer.outline
ctx.lineJoin = "round"
ctx.miterLimit = 1
}
if(layer.letterBorder){
ctx.lineWidth = layer.letterBorder
}
if(layer.fill){
ctx.fillStyle = layer.fill
action = "fillText"
}
if(layer.shadow){
ctx.save()
ctx.shadowOffsetX = layer.shadow[0]
ctx.shadowOffsetY = layer.shadow[1]
ctx.shadowBlur = layer.shadow[2]
ctx.shadowColor = "rgba(0, 0, 0, " + (1 / (layer.shadow[3] || 2)) + ")"
}
var offsetX = 0
for(let symbol of drawn){
var saved = false
var currentX = offsetX + symbol.x + (layer.x || 0) + symbol.w / 2
var currentY = symbol.y + (layer.y || 0)
var isLatin = r.latin.test(symbol.text)
if(config.align === "center"){
currentX -= drawnWidth / 2
}else if(config.align === "right"){
currentX = -offsetX + symbol.x + (layer.x || 0) - symbol.w / 2
}
if(symbol.scale || isLatin){
saved = true
ctx.save()
ctx.translate(currentX, currentY)
if(symbol.scale){
ctx.scale(symbol.scale[0], symbol.scale[1])
ctx.lineWidth /= symbol.scale[0]
}
currentX = 0
currentY = 0
}
if(isLatin){
if(action === "strokeText"){
ctx.lineWidth *= 1.05
ctx.strokeText(symbol.text, currentX, currentY)
}else{
ctx.lineWidth *= 0.05
ctx.strokeStyle = ctx.fillStyle
ctx.strokeText(symbol.text, currentX, currentY)
}
}
ctx[action](symbol.text, currentX, currentY)
if(saved){
ctx.restore()
}
offsetX += symbol.w * mul
}
if(layer.shadow){
ctx.restore()
}
}
ctx.restore()
}
diffIcon(config){
var ctx = config.ctx
var scale = config.scale
ctx.save()
ctx.lineWidth = config.border
ctx.strokeStyle = "#000"
var icon = this.diffIconPath[config.diff]
ctx.translate(config.x - icon[0].w * scale / 2, config.y - icon[0].h * scale / 2)
ctx.scale(scale, scale)
for(var i = 1; i < icon.length; i++){
if(!icon[i].noStroke){
ctx.stroke(icon[i].d)
}
}
if(!config.noFill){
for(var i = 1; i < icon.length; i++){
ctx.fillStyle = icon[i].fill
ctx.fill(icon[i].d)
}
}
ctx.restore()
}
diffOptionsIcon(config){
var ctx = config.ctx
ctx.save()
ctx.translate(config.x - 21, config.y - 21)
var drawLine = y => {
ctx.beginPath()
ctx.moveTo(12, y)
ctx.arc(20.5, 25, 8.5, Math.PI, Math.PI * 2, true)
ctx.lineTo(29, 18)
ctx.stroke()
}
var drawTriangle = noFill => {
ctx.beginPath()
ctx.moveTo(29, 5)
ctx.lineTo(21, 19)
ctx.lineTo(37, 19)
ctx.closePath()
if(!noFill){
ctx.fill()
}
}
ctx.strokeStyle = "#000"
ctx.lineWidth = 12
drawLine(9)
ctx.lineWidth = 5
drawTriangle(true)
ctx.stroke()
ctx.lineWidth = 7
ctx.fillStyle = "#fff"
ctx.strokeStyle = "#fff"
drawLine(11)
drawTriangle()
ctx.translate(-1.5, -0.5)
ctx.fillStyle = "#23a6e1"
ctx.strokeStyle = "#23a6e1"
ctx.globalCompositeOperation = "darken"
drawLine(11)
drawTriangle()
ctx.restore()
}
diffCursor(config){
var ctx = config.ctx
ctx.save()
if(config.scale){
ctx.translate(config.x, config.y)
ctx.scale(config.scale, config.scale)
ctx.translate(-48, -64)
}else{
ctx.translate(config.x - 48, config.y - 64)
}
ctx.fillStyle = config.two ? "#65cdcd" : "#ff411c"
ctx.strokeStyle = "#000"
ctx.lineWidth = 6
ctx.beginPath()
if(!config.side){
var textX = config.two ? 20 : 17
ctx.moveTo(48, 120)
ctx.arc(48, 48.5, 45, Math.PI * 0.58, Math.PI * 0.42)
}else if(config.two){
var textX = 70
ctx.moveTo(56, 115)
ctx.arc(98, 48.5, 45, Math.PI * 0.75, Math.PI * 0.59)
}else{
var textX = -33
ctx.moveTo(39, 115)
ctx.arc(-2, 48.5, 45, Math.PI * 0.41, Math.PI * 0.25)
}
ctx.closePath()
ctx.fill()
ctx.stroke()
this.layeredText({
ctx: ctx,
text: config.two ? "2P" : "1P",
fontSize: 43,
fontFamily: config.font,
x: textX,
y: 26,
width: 54,
letterSpacing: -4
}, [
{outline: "#fff", letterBorder: 11},
{fill: "#000"}
])
ctx.restore()
}
diffStar(config){
var ctx = config.ctx
ctx.save()
ctx.fillStyle = config.songSel ? "#fff" : "#f72568"
if(config.songSel){
ctx.shadowColor = "#fff"
ctx.shadowBlur = 10
ctx.translate(config.x - 9, config.y - 9)
}else{
ctx.translate(config.x - 10.5, config.y - 9.5)
ctx.scale(1.1, 1.1)
}
ctx.fill(this.diffStarPath)
ctx.restore()
}
pattern(config){
var ctx = config.ctx
ctx.save()
var mul = config.scale || 1
if(mul !== 1){
ctx.scale(1 / mul, 1 / mul)
}
ctx.fillStyle = ctx.createPattern(config.img, "repeat")
ctx.beginPath()
ctx.rect(config.x * mul, config.y * mul, config.w * mul, config.h * mul)
ctx.translate(config.dx, config.dy)
ctx.fill()
ctx.restore()
}
score(config){
var ctx = config.ctx
ctx.save()
ctx.translate(config.x, config.y)
if(config.scale){
ctx.scale(config.scale, config.scale)
}
ctx.strokeStyle = "#000"
ctx.lineWidth = 7
if(config.score === "good"){
var grd = ctx.createLinearGradient(0, 0, 0, 29)
grd.addColorStop(0.3, "#f7fb00")
grd.addColorStop(0.9, "#ff4900")
ctx.fillStyle = grd
ctx.stroke(this.diffPath.good)
ctx.fill(this.diffPath.good)
}else if(config.score === "ok"){
ctx.fillStyle = "#fff"
ctx.stroke(this.diffPath.ok)
ctx.fill(this.diffPath.ok)
}else if(config.score === "bad"){
var grd = ctx.createLinearGradient(0, 0, 0, 27)
grd.addColorStop(0.1, "#6B5DFF")
grd.addColorStop(0.7, "#00AEDE")
ctx.fillStyle = grd
ctx.stroke(this.diffPath.bad)
ctx.fill(this.diffPath.bad)
ctx.translate(26, 0)
ctx.stroke(this.diffPath.ok)
ctx.fill(this.diffPath.ok)
}
ctx.restore()
}
crown(config){
var ctx = config.ctx
ctx.save()
ctx.translate(config.x, config.y)
if(config.scale){
ctx.scale(config.scale, config.scale)
}
ctx.translate(-47, -39)
ctx.miterLimit = 1.7
ctx.save()
ctx.strokeStyle = "#fff"
ctx.lineWidth = 35
ctx.filter = "blur(1.5px)"
ctx.stroke(this.crownPath)
ctx.restore()
if(config.shine){
ctx.strokeStyle = "#fff"
ctx.lineWidth = 18
ctx.stroke(this.crownPath)
ctx.globalAlpha = 1 - config.shine
}
ctx.strokeStyle = "#000"
ctx.lineWidth = 18
ctx.stroke(this.crownPath)
if(config.shine){
ctx.globalAlpha = 1
ctx.fillStyle = "#fff"
ctx.fill(this.crownPath)
ctx.globalAlpha = 1 - config.shine
}
var grd = ctx.createLinearGradient(0, 0, 94, 0)
if(config.type === "gold"){
grd.addColorStop(0, "#ffffc5")
grd.addColorStop(0.23, "#ffff44")
grd.addColorStop(0.53, "#efbd12")
grd.addColorStop(0.83, "#ffff44")
grd.addColorStop(1, "#efbd12")
}else if(config.type === "silver"){
grd.addColorStop(0, "#d6efef")
grd.addColorStop(0.23, "#bddfde")
grd.addColorStop(0.53, "#97c1c0")
grd.addColorStop(0.83, "#bddfde")
grd.addColorStop(1, "#97c1c0")
}
ctx.fillStyle = grd
ctx.fill(this.crownPath)
ctx.restore()
}
alpha(amount, ctx, callback){
if(amount >= 1){
return callback(ctx)
}else if(amount >= 0){
this.tmpCanvas.width = ctx.canvas.width
this.tmpCanvas.height = ctx.canvas.height
callback(this.tmpCtx)
ctx.save()
ctx.globalAlpha = amount
ctx.drawImage(this.tmpCanvas, 0, 0)
ctx.restore()
}
}
getMS(){
return +new Date
}
}