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var PhotoView = (function(){
var hue = 0, sat = 0, lum = 0
var nn, invert, width
var timeout
var PhotoView = View.extend({
el: "#photo",
events: {
"change #width_el": "updateWidth",
"change #ratio_el": "updateRatio",
"change #hue_el": "updateHue",
"change #saturation_el": "updateSat",
"change #luminance_el": "updateLum",
"change #invert_el": "updateInvert",
"change #palette_el": "updatePalette",
"change #nn_el": "updateNN",
"click .post-btn": "post",
"click .upload-btn": "upload",
"click .close-btn": "hide",
},
initialize: function(){
Photo.set_recolor_fn(function(rgb){
if (invert) {
rgb[0] = 255 - rgb[0]
rgb[1] = 255 - rgb[1]
rgb[2] = 255 - rgb[2]
}
var hsl = rgb2hsl(rgb)
hsl[0] = mod(hsl[0] + hue, 1.0)
hsl[1] = clamp(hsl[1] + sat, 0.0, 1.0)
hsl[2] = clamp(hsl[2] + lum, 0.0, 1.0)
return hsl2rgb.apply(this, hsl)
})
this.$uploadBtn = this.$(".upload-btn")
this.$postBtn = this.$(".post-btn")
this.$closeBtn = this.$(".close-btn")
this.$width = this.$("#width_el")
this.$widthSpan = this.$("#width_span")
this.$heightSpan = this.$("#height_span")
this.$ratio = this.$("#ratio_el")
this.$nn = this.$("#nn_el")
this.$invert = this.$("#invert_el")
this.$palette = this.$("#palette_el")
this.$canvasRapper = this.$("#canvas_rapper")
this.camera = new UploadView({ el: this.$(".camera-btn") })
this.canvas = document.createElement("canvas")
this.ctx = this.canvas.getContext('2d')
this.$canvasRapper.append(this.canvas)
width = parseInt( this.$width.val() )
ratio = parseFloat( this.$ratio.val() )
nn = this.$nn.prop('checked')
invert = this.$invert.prop('checked')
this.$widthSpan.html(width)
this.img = new Image ()
this.img.onload = function(){
this.$ratio.val()
this.updateRatio()
}.bind(this)
},
load: function(f){
var url
if (typeof f == "string") {
url = f
this.$uploadBtn.hide()
}
else {
this.file = file
url = URL.createObjectURL(file)
this.$uploadBtn.show()
}
this.img.src = url
console.log("load", url)
this.show()
},
show: function(){
$("body").addClass("photo")
},
hide: function(){
$("body").removeClass("photo")
},
update: function(){
Photo.fromCanvas(this.img, this.toCanvas.bind(this), { width: width, ratio: ratio, neighbor: nn })
},
updateWidth: function(){
width = parseInt( this.$width.val() )
this.$widthSpan.html( width )
this.$heightSpan.html( "..." )
this.deferUpdate()
},
updateRatio: function(){
ratio = parseFloat( this.$ratio.val() )
if (ratio < 0.03) return
this.$widthSpan.html( width )
this.$heightSpan.html( "..." )
this.deferUpdate()
},
deferUpdate: function(){
clearTimeout( timeout )
timeout = setTimeout(this.update.bind(this), 50)
},
updateHue: function(){
},
updateSat: function(){
},
updateLum: function(){
},
updateInvert: function(){
invert = this.$invert.prop('checked')
this.update.bind(this)
},
updateNN: function(){
nn = this.$nn.prop('checked')
this.update.bind(this)
},
updatePalette: function(){
var palette = this.$palette.val()
Photo.set_colors( Photo[palette] )
this.update.bind(this)
},
toCanvas: function(rows){
this.rows = rows
var wpx = 6, hpx = 12
var rgb_colors = Photo.colors.map(function(c){ return "rgb(" + c + ")" })
this.canvas.width = rows[0].length * wpx
this.canvas.height = rows.length * hpx
var ctx = this.ctx
rows.forEach(function(row, j){
row.forEach(function(lex, i){
ctx.fillStyle = rgb_colors[lex]
ctx.fillRect(i*wpx,j*hpx,wpx,hpx)
})
})
this.$heightSpan.html( rows.length )
//
},
post: function(){
if (! this.rows) return
var color_code = Photo.mirc(this.rows)
// var fd = new FormData()
// fd.append('image', color_code)
var _csrf = $("meta[name='_csrf']").attr('content')
var request = $.ajax({
url: "/_irc/post",
type: "post",
data: { image: color_code, _csrf: _csrf },
// processData: false,
// contentType: false,
})
request.done(this.success.bind(this))
},
success: function(){
console.log("posted colorcode")
this.hide()
},
upload: function(){
this.camera.upload(this.file)
},
})
return PhotoView
})()
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