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var controls = (function(){
var controls = {}
controls.circle = new Tool (circle_el)
controls.circle.use = function(){
brush.generate = controls.circle.generate
brush.generate()
drawing = true
filling = false
selection.hide()
brush.modified = false
}
controls.circle.generate = function(){
var fg = brush.fg, bg = brush.bg
var hw = brush.w/2|0, hh = brush.h/2|0
brush.forEach(function(lex,x,y) {
var len = Math.sqrt(Math.pow(x-hw,2)+Math.pow(y-hh,2))
if (len > Math.abs(hw)) {
lex.clear()
}
else {
lex.fill(fg,bg)
}
})
}
controls.square = new Tool (square_el)
controls.square.use = function(){
brush.generate = controls.square.generate
brush.generate()
brush.modified = false
drawing = true
filling = false
selection.hide()
}
controls.square.generate = function(){
var fg = brush.fg, bg = brush.bg
brush.fill(fg,bg)
}
controls.text = new Tool (text_el)
controls.text.use = function(){
brush.generate = controls.text.generate
brush.generate()
drawing = false
filling = false
selection.hide()
}
controls.text.generate = function(){
}
controls.select = new Tool (select_el)
controls.select.use = function(){
drawing = false
filling = false
selection.show()
}
controls.fill = new Tool (fill_el)
controls.fill.use = function(){
drawing = false
filling = true
selection.hide()
}
controls.clear = new Tool (clear_el)
controls.clear.use = function(){
canvas.clear()
}
controls.grid = new Checkbox (grid_el)
controls.grid.use = function(){
document.body.classList.toggle('grid')
this.update( document.body.classList.contains("grid") )
}
controls.grid.show = function(){
document.body.classList.add('grid')
this.update( true )
}
controls.grid.hide = function(){
document.body.classList.remove('grid')
this.update( false )
}
ClipboardTool = Tool.extend({
blur: function(){
this.__blur()
clipboard.hide()
}
})
controls.save = new ClipboardTool (save_el)
controls.save.use = function(){
clipboard.show()
clipboard.export_mode()
}
controls.load = new ClipboardTool (load_el)
controls.load.use = function(){
clipboard.show()
clipboard.import_mode()
}
//
ShaderTool = Tool.extend({
use: function(){
shader_rapper.style.display = "block"
shader_textarea.focus()
},
blur: function(){
this.__blur()
shader_rapper.style.display = "none"
}
})
controls.shader = new ShaderTool (shader_el)
shader_textarea.value = demo_shader.innerHTML
shader_textarea.addEventListener("input", function(){
var fn = shader.build(shader_textarea.value)
fn && shader.run(canvas)
})
controls.animate = new Checkbox (animate_checkbox)
controls.animate.use = function(state){
var state = shader.toggle()
this.update(state)
}
//
controls.fg = new Checkbox (fg_checkbox)
controls.fg.use = function(state){
brush.draw_fg = state || ! brush.draw_fg
this.update(brush.draw_fg)
}
controls.bg = new Checkbox (bg_checkbox)
controls.bg.use = function(state){
brush.draw_bg = state || ! brush.draw_bg
this.update(brush.draw_bg)
}
controls.char = new Checkbox (char_checkbox)
controls.char.use = function(state){
brush.draw_char = state || ! brush.draw_char
this.update(brush.draw_char)
}
//
controls.width = new Lex (width_el)
controls.height = new Lex (height_el)
controls.canvas_width = new Lex (canvas_width_el)
controls.canvas_height = new Lex (canvas_height_el)
// bind
controls.bind = function(){
[
controls.width,
controls.height,
controls.canvas_width,
controls.canvas_height
].forEach(function(lex){
lex.span.addEventListener('mousedown', function(e){
lex.focus()
})
});
[
controls.square,
controls.circle,
controls.text,
controls.fill,
controls.select,
controls.clear,
controls.grid,
controls.fg,
controls.bg,
controls.char,
controls.shader,
controls.animate,
controls.save,
controls.load
].forEach(function(tool){
tool.span.addEventListener('mousedown', function(e){
tool.focus()
})
})
controls.width.key = int_key(function(n, keyCode){
controls.width.blur()
controls.width.char = ""+n
controls.width.build()
brush.w = n
brush.rebuild()
})
controls.height.key = int_key(function(n, keyCode){
controls.height.blur()
controls.height.char = ""+n
controls.height.build()
brush.h = n
brush.rebuild()
})
controls.canvas_width.key = int_key(function(n, keyCode){
controls.canvas_width.read()
if (controls.canvas_width.char.length == 1) {
n = parseInt(controls.canvas_width.char) * 10 + n
}
controls.canvas_width.char = ""+n
controls.canvas_width.build()
})
controls.canvas_width.onBlur = function(){
var w = parseInt(controls.canvas_width.char) || 1
controls.canvas_width.char = w+""
controls.canvas_width.build()
canvas.resize(w, canvas.h)
}
controls.canvas_height.key = int_key(function(n, keyCode){
controls.canvas_height.read()
if (controls.canvas_height.char.length < 3) {
n = parseInt(controls.canvas_height.char) * 10 + n
}
controls.canvas_height.char = ""+n
controls.canvas_height.build()
})
controls.canvas_height.onBlur = function(){
var h = parseInt(controls.canvas_height.char) || 1
controls.canvas_height.char = h+""
controls.canvas_height.build()
canvas.resize(canvas.w, h)
}
}
function int_key (f) {
return function (key, keyCode) {
var n = parseInt(key)
! isNaN(n) && f(n)
}
}
return controls
})()
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