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var brush = (function(){
var brush = new Matrix (5, 5, function(x,y){
var lex = new Lex (x,y)
lex.build()
return lex
})
brush.modified = false
brush.bind = function(){
var last_point = [0,0]
var dragging = false
brush.forEach(function(lex, x, y){
if (lex.bound) return
lex.bound = true
var point = [x,y]
lex.span.addEventListener('contextmenu', function(e){
e.preventDefault()
})
lex.span.addEventListener('mousedown', function(e){
e.preventDefault()
current_canvas = brush
brush.modified = true
dragging = true
erasing = (e.which == "3" || e.ctrlKey)
if (erasing) {
lex.clear()
}
else {
lex.fill(brush.fg, brush.bg)
}
lex.focus()
})
lex.span.addEventListener('mousemove', function(e){
e.preventDefault()
if (! dragging) {
return
}
erasing = (e.which == "3" || e.ctrlKey)
if (erasing) {
lex.clear()
}
else {
lex.fill(brush.fg, brush.bg)
}
lex.focus()
})
})
window.addEventListener("mouseup", function(){
dragging = false
})
}
brush.expand = function(i){
var w = this.w = clamp(this.w+i, 1, 9), h = this.h = clamp(this.h+i, 1, 9)
controls.width.char = ""+w
controls.width.build()
controls.height.char = ""+h
controls.height.build()
this.rebuild()
}
brush.contract = function(i){
this.expand(-i)
}
brush.char = " "
brush.fg = 0
brush.bg = 1
brush.opacity = 1
return brush
})()
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