roar/js/ui/palette.js
Lucio Andrés Illanes Albornoz (arab, vxp) f1fd806573 js/dither.js: merged into js/ui/palette.js.
index.html: updates script URIs.
2018-11-26 10:22:19 +01:00

117 lines
3.0 KiB
JavaScript

var palette = (function(){
var palette = new Matrix (32, 2, function(x,y){
var lex = new Lex (x,y)
return lex
})
var palette_index = localStorage.getItem("ascii.palette") || 1
var palette_list = [all_hue, all_inv_hue, mirc_color, mirc_color_reverse]
var palette_fn = palette_list[palette_index]
var dither = {
aa: '▓▒░ ',
a: '▓',
b: '▒',
c: '░',
d: ' ',
p: function(n){
return dither.aa[Math.floor(Math.abs(n) % 4)]
}
}
palette.chars = " " + dither.a + dither.b + dither.c
palette.repaint = function(){
var xw = use_experimental_palette ? 5 : 2
if (canvas.vertical) {
palette.resize( xw, 16 )
}
else {
palette.resize( 32, xw )
}
palette.forEach(function(lex,x,y){
if (canvas.vertical) { x=x^y;y=x^y;x=x^y;x*=2 }
if (y < 2) {
lex.bg = palette_fn(x>>1)
lex.fg = palette_fn(x>>1)
}
else {
lex.bg = fillColor
lex.fg = palette_fn(x>>1)
}
lex.char = palette.chars[y]
lex.opacity = 1
lex.build()
if (lex.char == "_") lex.char = " "
})
}
palette.repaint()
var use_experimental_palette = false
palette.experimental = function(state){
use_experimental_palette = typeof state == "boolean" ? state : ! use_experimental_palette
use_experimental_palette ? palette.resize(32, 5) : palette.resize(32, 2)
palette.repaint()
return use_experimental_palette
}
palette.bind = function(){
palette.forEach(function(lex, x, y){
if (lex.bound) return
lex.bound = true
lex.span.addEventListener('mousedown', function(e){
e.preventDefault()
if (e.shiftKey) {
palette_index = (palette_index+1) % palette_list.length
localStorage.setItem("ascii.palette", palette_index)
palette_fn = palette_list[palette_index]
palette.repaint()
return
}
if (e.ctrlKey || e.which == 3) return
if (brush.char == " " && lex.char == " ") {
brush.fg = lex.fg
brush.bg = lex.bg
brush.char = lex.char
}
else if (lex.char != " ") {
brush.fg = lex.bg
brush.bg = lex.fg
brush.char = lex.char
}
else {
brush.fg = lex.bg
brush.bg = fillColor
// brush.char = lex.char
}
brush.opacity = lex.opacity
if (! brush.modified) {
brush.generate()
}
if (filling || e.ctrlKey) {
fillColor = lex.bg
}
letters.repaint()
})
lex.span.addEventListener('contextmenu', function(e){
e.preventDefault()
fillColor = y ? lex.fg : lex.bg
palette.repaint()
brush.fg = lex.fg
brush.char = lex.char
brush.opacity = lex.opacity
brush.generate()
brush_rapper.style.borderColor = css_reverse_lookup[fillColor]
return
})
})
}
brush_rapper.style.borderColor = css_reverse_lookup[fillColor]
return palette
})()