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index.html
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<!DOCTYPE html>
<!--<html manifest="cache.manifest">-->
<html>
<head>
<meta charset="utf-8" />
<meta author="duwei pandorid[at]gmail.com" />
<meta version="0.1.1alpha" />
<meta name="description" content="html5 css sprite tool gopng" />
<title>GoPng</title>
<link rel="stylesheet" type="text/css" href="./css/bootstrap.min.css">
<link rel="stylesheet" type="text/css" href="http://qplus1.idqqimg.com/module/common/scrollbar/scrollstyle.css">
<style>
#canvas {
border:1px solid #c3c3c3;
}
img {
border:1px solid yellow;
}
#layout {
position: relative;
overflow: auto;
}
#grid_canvas{
position: absolute;
o:0px;
top:0px;
}
#zoom_canvas{
position: absolute;
o:0px;
top:0px;
display: none;
}
#css_html_template, #png_out, #css_out, #export{
display: none;
}
.png_and_css{
-webkit-transition:background-color .5s ease-in-out;
transition:all .5s ease-in-out;
}
.yellow_inform {
background-color: yellow;
}
#png_link, #css_link{
display: none;
}
#absolute_path, #relative_path, #css_template{
width: 580px;
}
.github_icon{
width: 18px;
height: 18px;
background:url(./img/github_icon.png) no-repeat 0px 2px;
float:left;
}
#ta{
display: none;
}
</style>
</head>
<body>
<p></p>
<div class="container">
<div class="row">
<div class="span8">
<ul class="nav nav-tabs">
<li class="active" data-toggle="layout" >
<a href="###">Canvas</a>
</li>
<li class="" data-toggle="css_html_template">
<a href="###">Css Template</a>
</li>
<li class="" data-toggle="png_out" >
<a href="###" class="png_and_css">Png</a>
</li>
<li class="" data-toggle="css_out" >
<a href="###" class="png_and_css">CSS</a>
</li>
<li class="" data-toggle="export" >
<a href="###" class="png_and_css">Export</a>
</li>
</ul>
<div id="layout">
<canvas id="grid_canvas">
You browser does not support the canvas elements.
</canvas>
<canvas id="canvas">
You browser does not support the canvas elements.
</canvas>
<canvas id="zoom_canvas">
You browser does not support the canvas elements.
</canvas>
</div>
<div id="css_html_template">
<form class="form-horizontal">
<fieldset>
<h6>Css template</h6>
<div class="control-group">
<label class="control-label">Sprite absolute path</label>
<div class="controls docs-input-sizes">
<input class="input-xlarge" type="text" placeholder='' id="absolute_path" />
</div>
</div>
<div class="control-group">
<label class="control-label">Sprite relative path</label>
<div class="controls docs-input-sizes">
<input class="input-xlarge" type="text" placeholder='' id="relative_path" />
</div>
</div>
<div class="control-group">
<label class="control-label">Css Template</label>
<div class="controls">
<textarea class="input-xlarge" id="css_template" rows="25">
</textarea>
<p class="help-block">Using John Resig's Micro-Templating</p>
<p class="help-block">Variables can be uesd: relative_path, absolute_path, x, y, w, h, name</p>
<p>
<img src="./img/cord.png" title="about x,y,w,h" />
</p>
<p>name for fileName without ext</p>
</div>
</div>
<div class="form-actions">
<button type="submit" class="btn btn-primary" id="css_template_apply">Apply changes</button>
<button class="btn" id="css_template_reset">Reset</button>
</div>
</fieldset>
</form>
</div>
<div id="png_out">
<div class="row">
<div class="span2">
<p>
<a id="png_link" download="sprite.png" target="_blank" title="download png" href="###">
<button class="btn btn-info">
<i class="icon-file icon-white"></i>Download
</button>
</a>
</p>
</div>
<div class="span2">
</div>
</div>
<div id="img"></div>
</div>
<div id="css_out">
<p>
<a class="btn btn-info" id="css_link" download="style.css" target="_blank" title="download css" href="###"><i class="icon-file icon-white"></i>Download</a>
</p>
<h6>css code:</h6>
<pre id="target_css">
</pre>
</div>
<div id="export">
<div class="hero-unit">
<h1>Export!</h1>
<p>Export and save the file, then you can recover your workspace by drop it on the canvas next time!</p>
<p>
<a class="btn btn-primary btn-large" download="export.json" id="export_workspace" href="###">Export</a>
</p>
</div>
</div>
<p>
<div class="alert">
<button class="close" data-dismiss="alert" id="browser_notice">×</button>
<strong>Notice!</strong> This HTML5 app is only tested for Chrome 18+(recommend) and Firefox 10+ now.
</div>
</p>
</div>
<div class="span4">
<div class="well">
<div class="row">
<div class="span1">
<h3>Go!PNG</h3>
</div>
<div class="offset2">
<button class="btn btn-success" id="make">Make Png & css</button>
</div>
</div>
<form class="form-horizontal">
<fieldset>
<h6>Canvas sizes</h6>
<div class="control-group">
<label class="control-label">Canvas width</label>
<div class="controls docs-input-sizes">
<input class="input-small" type="text" placeholder='' id="canvas_width" />
</div>
</div>
<div class="control-group">
<label class="control-label">Canvas Height</label>
<div class="controls docs-input-sizes">
<input class="input-small" type="text" placeholder='' id="canvas_height" />
</div>
</div>
<div class="form-actions">
<button type="submit" class="btn btn-primary" id="canvas_sizes_apply">Apply changes</button>
</div>
</fieldset>
<fieldset>
<h6>Packer modes</h6>
<div class="control-group">
<label class="control-label">Fixed Size</label>
<div class="controls">
<div class="btn-group" id="packer_modes_fixed">
<button class="btn btn-primary" id="vertical">Vertical</button>
<button class="btn btn-primary" id="bintree">BinTree</button>
</div>
</div>
</div>
<div class="control-group">
<label class="control-label">Auto Grow</label>
<div class="controls">
<div class="btn-group" id="packer_modes_grow">
<!--<button class="btn btn-primary disabled" id="verticalGrow" onclick="return false;">Vertical</button>-->
<button class="btn btn-primary" id="bintreeGrow" onclick="return false;">BinTree</button>
<button class="btn btn-primary" id="Minimize" onclick="return false;">Minimize</button>
</div>
</div>
</div>
<div class="form-actions">
</div>
</fieldset>
<fieldset>
<h6>Zoom setting</h6>
<div class="control-group">
<label class="control-label">Zoom mode</label>
<div class="controls">
<div class="btn-group" id="zoom_factors">
<button class="btn btn-primary" id="1x">1X</button>
<button class="btn btn-primary" id="2x">2X</button>
<button class="btn btn-primary" id="4x">4X</button>
</div>
</div>
</div>
<div class="control-group">
<label class="control-label">Zoom raduis</label>
<div class="controls docs-input-sizes">
<input class="input-small" type="text" placeholder='' id="zoom_setting_value" />
</div>
</div>
<div class="form-actions">
<button type="submit" class="btn btn-primary" id="zoom_setting_apply">Apply changes</button>
</div>
</fieldset>
<fieldset>
<h6>Magnet setting</h6>
<div class="control-group">
<label class="control-label">Magnet</label>
<div class="controls">
<button class="btn btn-primary" id="magnet">Magnet!</button>
</div>
</div>
<div class="control-group">
<label class="control-label">Magnet distance</label>
<div class="controls docs-input-sizes">
<input class="input-small" type="text" placeholder='' id="magnet_setting_value"/>
</div>
</div>
<div class="form-actions">
<button type="submit" class="btn btn-primary" id="magnet_setting_apply">Apply changes</button>
</div>
</fieldset>
</form>
<p>
<a class="btn" style="margin-left:100px;" title="view on github" href="https://github.com/AlloyTeam/gopng" target="_blank"><span class="github_icon"></span>View On GitHub</a>
</p>
<p>
<a class="btn" style="margin-left:100px;" title="view on github" href="http://www.alloyteam.com/2012/05/gopng%E9%9B%AA%E7%A2%A7%E5%9B%BE%E5%90%88%E6%88%90%E5%B7%A5%E5%85%B7-%E5%8F%A6%E4%B8%80%E4%B8%AAhtml5-app/" target="_blank"><i class="icon-book"></i> Get some help </a>
</p>
</div>
</div>
</div>
</div>
<script>
;(function(namespace) {
//pandorid[at]gmail.com
var namespace = window[namespace] = {};
var config = {
//layout
canvas_width: 600,
canvas_height: 600,
//packer
packer_mode : 'bintree',
//magnet
if_magnet : true,
magnet_distance: 8,
//zoom
if_zoom : true,
zoom_pixel : true,
zoom: 2,
zoom_radius: 200,
//css template
absolute_path: 'http://gopng/static/images/sprite.png',
relative_path: '',
template: '#gopng_<%=name%>_outer {\n\
height: <%=h%>px;\n\
width: <%=w%>px;\n\
overflow: hidden;\n\
}\n\
#gopng_<%=name%> {\n\
background: url(<%=absolute_path%>) -<%=x%>px -<%=y%>px no-repeat;\n\
width: 100%;\n\
height: 100%;\n\
_background: none;\n\
_padding-left: <%=x%>px;\n\
_margin-left: -<%=x%>px;\n\
_padding-top: <%=y%>px;\n\
_margin-top: -<%=y%>px;\n\
_filter: progid:DXImageTransform.Microsoft.AlphaImageLoader(sizingMethod=crop,src="<%=absolute_path%>");\n\
}\n\
'
};
var picture_height, picture_width;
var canvas = document.getElementById('canvas');
var grid_canvas = document.getElementById('grid_canvas');
var grid_context = grid_canvas.getContext("2d");
var zoom_canvas = document.getElementById("zoom_canvas");
var zoom_context = zoom_canvas.getContext("2d");
var context = canvas.getContext("2d");
var imgObjects = []; //x y w h ix iy iw ih...
//Zoomer
var zoomer = (function() {
var l, t; //mouse position
var init = function() {
zoom_canvas.style.display = 'block';
};
var pixelZoom = function(sx, sy, sw, sh, tx, ty, tw, th) {
var sdata = context.getImageData(sx, sy, sw, sh).data;
var target = context.createImageData(tw, th);
var tdata = target.data;
var mapx = [];
var ratiox = sw / tw, px = 0;
for (var i = 0; i < tw; ++i) {
mapx[i] = 4 * Math.floor(px);
px += ratiox;
}
var mapy = [];
var ratioy = sh / th, py = 0;
for (var i = 0; i < th; ++i) {
mapy[i] = 4 * sw * Math.floor(py);
py += ratioy;
}
var tp = 0;
for (py = 0; py < th; ++py) {
for (px = 0; px < tw; ++px) {
var sp = mapx[px] + mapy[py];
tdata[tp++] = sdata[sp++];
tdata[tp++] = sdata[sp++];
tdata[tp++] = sdata[sp++];
tdata[tp++] = sdata[sp++];
}
}
zoom_context.putImageData(target, tx, ty);
}
var snap = function() {
if(!mousedown || !config.if_zoom) {
return;
}
var r = config.zoom_radius;
var z = config.zoom;
zoomer.clear();
if(config.zoom_pixel) {
var sr = Math.floor(r / z);
var sw = sr * 2;
var sh = sr * 2;
var tw = 2 * r; //reduce the target width and target height to make it faster
var th = 2 * r; //reduce the target width and target height to make it faster
var shiftX = l - sr;
var shiftY = t - sr;
pixelZoom(shiftX, shiftY, sw, sh, l, t, tw, th);//now the loop always be 2R
}
zoom_context.globalCompositeOperation = 'destination-in'; //set
zoom_context.beginPath();
zoom_context.arc(l + r, t + r, r, 2*Math.PI, false);
zoom_context.fill();
zoom_context.globalCompositeOperation = 'source-over'; //restore
}
var clear = function(){
zoom_context.clearRect(0, 0, config.canvas_width * config.zoom, config.canvas_height * config.zoom);
};
var setXY = function(x, y){
l = parseInt(x);
t = parseInt(y);
};
var destory = function(){
clear();
zoom_canvas.style.display = 'none';
zoom_canvas_bg.style.display = 'none';
};
return {
setXY : setXY,
snap: snap,
destory: destory,
clear: clear,
init: init
}
})();
var refresh = function() {
clear();
imgObjects.map(function(o) {
context.drawImage(o.el, o.x, o.y);
});
if(drawCallBack) {
drawCallBack();
}
zoomer.snap();
};
var resetCanvas = function() {
canvas.height = config.canvas_height;
canvas.width = config.canvas_width;
zoom_canvas.height = config.canvas_height * 2;
zoom_canvas.width = config.canvas_width * 2;
refresh();
}
var makeImgAndCss = function() {
if(!imgObjects.length) {
return;
}
canvasSizeCaculate();
resetCanvasSize();
refresh();
dataURL = canvas.toDataURL();
var img = new Image();
img.src = dataURL;
getEl('png_link').href = dataURL.replace('data:image/','data:image/');
getEl('png_link').style.display = 'inline';
document.getElementById('img').innerHTML = '';
document.getElementById('img').appendChild(img);
resetCanvasSize(config.canvas_width, config.canvas_height);
refresh();
var css_pices = [];
imgObjects.map(function(o){
var css_pice = template(config.template, {w:o.w, h:o.h, x:o.x, y:o.y, absolute_path:config.absolute_path, name:o.name.split('.')[0], relative_path:config.relative_path});
css_pices.push(css_pice);
});
var css_text = css_pices.join('').split('[enter]').join('\n')
getEl('css_link').href = 'data:text/css;base64,' + encodeBase64(css_text);
getEl('target_css').innerHTML = XssDefender(css_text);
getEl('css_link').style.display = 'inline';
}
var XssDefender = function(s) {
s = s.replace(/&/g,"&").replace(/>/g,">").replace(/</g,"<").replace(/"/g,""").replace(/'/g,"'");
return s;
};
var resetCanvasSize = function(w, h) {
if (!w && !h) {
canvas.width = picture_width;
canvas.height = picture_height;
}else {
canvas.width = w;
canvas.height = h;
}
};
var clear = function() {
context.clearRect(0, 0, canvas.width, canvas.height);
};
var save = function() {
};
var posCaculate = function(){};
var packers = (function(){
var binPacker = function(w, h) {
this.init(w, h);
};
binPacker.prototype = {
init: function(w, h) {
this.root = {x:0, y:0, w:w, h:h};
},
fit: function(objs) {
var node, _this = this;
var s;
objs.map(function(o, i){
if (node = _this.findNode(_this.root, o.w, o.h)) {
var fit = _this.splitNode(node, o.w, o.h);
o.x = fit.x;
o.y = fit.y;
}else {
s = true;
}
});
if(s) {
return {error:'notfind'}
}else {
return {};
}
},
findNode: function(node, w, h) {
if (node.used) {
return this.findNode(node.right, w, h) || this.findNode(node.down, w, h);
}
else if ((w <= node.w) && (h <= node.h)) {
return node;
}
else {
return null;
}
},
splitNode: function(node, w, h) {
node.used = true;
node.down = {x:node.x, y:node.y + h, w:node.w, h:node.h - h};
node.right = {x:node.x+w, y:node.y, w: node.w-w, h:h};
return node;
}
};
var binGrowPacker = function() { };
binGrowPacker.prototype = {
fit: function(objs) {
var node, len = objs.length, _this = this;
var w = len? objs[0].w : 0;
var h = len? objs[0].h : 0;
this.root = { x: 0, y: 0, w: w, h: h };
objs.map(function(o, i){
if (node = _this.findNode(_this.root, o.w, o.h)) {
var fit = _this.splitNode(node, o.w, o.h);
o.x = fit.x;
o.y = fit.y;
}
else {
var fit = _this.growNode(o.w, o.h);
o.x = fit.x;
o.y = fit.y;
}
});
return this.root;
},
findNode: function(node, w, h) {
if (node.used) {
return this.findNode(node.right, w, h) || this.findNode(node.down, w, h);
}
else if ((w <= node.w) && (h <= node.h)) {
return node;
}
else {
return null;
}
},
splitNode: function(node, w, h) {
node.used = true;
node.down = { x: node.x, y: node.y + h, w: node.w, h: node.h - h };
node.right = { x: node.x + w, y: node.y, w: node.w - w, h: h };
return node;
},
growNode: function(w, h) {
var canGrowRight = (h <= this.root.h);
var canGrowDown = (w <= this.root.w);
var shouldGrowRight = canGrowRight && (this.root.h >= (this.root.w + w));
var shouldGrowDown = canGrowDown && (this.root.w >= (this.root.h + h));
if (shouldGrowRight) {
return this.growRight(w, h);
}
else if (shouldGrowDown) {
return this.growDown(w, h);
}
else if (canGrowRight) {
return this.growRight(w, h);
}
else if (canGrowDown) {
return this.growDown(w, h);
}
},
growRight: function(w, h) {
this.root = {
used: true,
x: 0,
y: 0,
w: this.root.w + w,
h: this.root.h,
down: this.root.down,
right: { x: this.root.w, y: 0, w: w, h: this.root.h }
};
node = this.findNode(this.root, w, h);
return this.splitNode(node, w, h);
},
growDown: function(w, h) {
this.root = {
used: true,
x: 0,
y: 0,
w: this.root.w,
h: this.root.h + h,
down: { x: 0, y: this.root.h, w: this.root.w, h: h },
right: this.root.right
};
node = this.findNode(this.root, w, h);
return this.splitNode(node, w, h);
}
};
return {
'bintree': function() {
resetCanvas();
var packer = new binPacker(config.canvas_width, config.canvas_height);
imgObjects.sort(function(a,b){
if(b.h-a.h!=0) {
return b.h-a.h;
}else {
return a.w-b.w;
}
})
var ret = packer.fit(imgObjects);
if(ret.error) {
alert('not fit!');
}
},
'vertical': function() {
resetCanvas();
var h_diff = 0;
imgObjects.map(function(o, i, all) {
o.y = h_diff;
o.x = 0;
h_diff += o.h;
});
if(h_diff > config.canvas_height) {
alert('not fit!');
}
},
'bintreeGrow': function() {
var packer = new binGrowPacker();
if(!imgObjects.length) return;
imgObjects.sort(function(a,b){
if(b.h-a.h!=0) {
return b.h-a.h;
}else {
return a.w-b.w;
}
})
var root = packer.fit(imgObjects);
config.canvas_width = root.w;
config.canvas_height = root.h;
resetCanvas();
getEl('canvas_width').value = config.canvas_width;
getEl('canvas_height').value = config.canvas_height;
},
'Minimize': function() {
resetCanvas();
var autoPacker = new binGrowPacker();
if(!imgObjects.length) return;
imgObjects.sort(function(a,b){
if(b.h-a.h!=0) {
return b.h-a.h;
}else {
return a.w-b.w;
}
});
var maxWidth = imgObjects.reduce(function(a, b){
if(a.w > b.w) {
return a;
}
return b;
}).w;
var firstTry = autoPacker.fit(imgObjects);
var totalWidth = firstTry.w;
var totalHeight = firstTry.h;
var area = totalHeight * totalWidth;
var tw, th;
var p, ret;
while(totalWidth-- > maxWidth) {
p = new binPacker(totalWidth, totalHeight);
ret = p.fit(imgObjects);
if(ret.error) {
while(ret.error) {
p = new binPacker(totalWidth, totalHeight);
ret = p.fit(imgObjects);
totalHeight++;
}
}
if(totalWidth * totalHeight < area) {
area = totalHeight * totalWidth;
tw = totalWidth;
th = totalHeight;
}
}
(new binPacker(tw, th)).fit(imgObjects);
config.canvas_width = tw;
config.canvas_height = th;
resetCanvas();
getEl('canvas_width').value = config.canvas_width;
getEl('canvas_height').value = config.canvas_height;
}
}
})();
var canvasSizeCaculate = function() {
var max_width = imgObjects.reduce(function(a, b) {
return a.w + a.x > b.w + b.x ? a : b;
});
var max_height = imgObjects.reduce(function(a, b) {
return a.h + a.y > b.h + b.y ? a : b;
});
picture_height = max_height.h + max_height.y;
picture_width = max_width.w + max_width.x;
}
zoom_canvas.ondragenter = canvas.ondragenter = function() {
return false;
};
zoom_canvas.ondragover= canvas.ondragover = function() {
return false;
};
zoom_canvas.ondrop = canvas.ondrop = function(e) {
var files = e.dataTransfer.files;
for(var i=0;i<files.length;i++) {
var f = files[i];
var numbers = files.length;
if(f.type.indexOf('image') == 0) {
(function(f) {
var name = f.name,
type = f.type;
if(typeof FileReader == 'undefined') {
alert('Sorry, FileReader() not supported, switch to Chrome and try again.')
}
var reader = new FileReader();
reader.onload = function(e) {
var dataURL = e.target.result;
var imgEL = new Image();
imgEL.onload = function(e) {
var w,h;
w = parseInt(imgEL.width);
h = parseInt(imgEL.height);
imgObjects.push({el: imgEL, w: w, h: h, x:0, y:0, name:name, type:type, base64:dataURL});
--numbers;
if(numbers === 0) {
posCaculate();
refresh();
}
}
imgEL.src = dataURL;
};
reader.readAsDataURL(f);
})(f);
}else {
var reader = new FileReader();
reader.readAsText(f);
reader.onload = function(e) {
try{
var infile = JSON.parse(e.target.result);
}catch(e) {
alert('wrong file!');
}
if(infile.config) {
config = infile.config;
initialActionsMenu();
resetCanvas();
}
if(infile.objects) {
imgObjects = [];
infile.objects.map(function(o){
var img = new Image();
img.onload = (function(o) {
getEl('img').appendChild(img);
imgObjects.push({x:o.x, y:o.y, h:o.h, w:o.w, base64:o.base64, el:img, name:o.name});
})(o);
img.src = o.base64;
});
refresh();
}
}
}
}
e.stopPropagation();
e.preventDefault();
};
var ifhit = function(movex, movey, width, height, name) {
if(arguments.length == 2) {
return imgObjects.filter(function(o) {
return movex > o.x && movex < o.x + o.w && movey > o.y && movey < o.y + o.h;
})[0];
}else if(arguments.length == 5) {
return imgObjects.some(function(o) {
if(o.name == name) {
return false;
}
return Math.abs(Math.min(o.x, movex) - Math.max(o.x+o.w, movex+width)) < o.w + width &&
Math.abs(Math.min(o.y, movey) - Math.max(o.y+o.h, movey+height)) < o.h + height
});
}
};
var ifMagnet = function(movex, movey, width, height, name) {
if(!config.if_magnet) {
return false;
}
var d = config.magnet_distance;
var objects = imgObjects.filter(function(o){
return o.name != name;
});
var magnetLinesX = [];
var magnetLinesY = [];
//create magnetLines...
objects.map(function(o){
magnetLinesX.push({x:o.x});
magnetLinesX.push({x:o.x+o.w});
});
objects.map(function(o){
magnetLinesY.push({y:o.y});
magnetLinesY.push({y:o.y+o.h});
});
magnetLinesX.map(function(o) {
Math.abs(o.x - movex) - Math.abs(o.x - movex - width) <= 0 ?
o.setx = o.x : o.setx = o.x - width;
o.distance = Math.min(Math.abs(o.x - movex), Math.abs(o.x - movex - width));
});
magnetLinesY.map(function(o) {
Math.abs(o.y - movey) - Math.abs(o.y - movey - height) <= 0 ?
o.sety = o.y : o.sety = o.y - height;
o.distance = Math.min(Math.abs(o.y - movey), Math.abs(o.y - movey - height));
});
var nearx = magnetLinesX.reduce(function(a, b){
return a.distance<=b.distance?a:b;
});
var neary = magnetLinesY.reduce(function(a, b){
return a.distance<=b.distance?a:b;
});
if( nearx.distance<d || neary.distance<d ) {
return {
nearx : nearx.distance<d && nearx,
neary : neary.distance<d && neary
};
}
};
var drawCallBack = null;
var drawLines = function(m) {
drawCallBack = null;
drawCallBack = function() {
if(m.nearx !== false) {
context.beginPath();
context.moveTo(m.nearx.x, 0);
context.lineTo(m.nearx.x, config.canvas_height);
context.stroke();
}
if(m.neary !== false) {
context.beginPath();
context.moveTo(0, m.neary.y);
context.lineTo(config.canvas_width, m.neary.y);
context.stroke();
}
context.fillStyle = "red";
if(m.nearx !== false && m.neary !== false) {
context.fillText([m.nearx.x, m.neary.y].join(','), m.nearx.x + 3, m.neary.y - 3);
context.beginPath();
context.arc(m.nearx.x, m.neary.y, 3, 2*Math.PI, false);
context.fill();
}else if(m.nearx !== false) {
context.fillText([m.nearx.x, target.y].join(','), m.nearx.x + 3, target.y - 3);
context.beginPath();
context.arc(m.nearx.x, target.y, 3, 2*Math.PI, false);
context.fill();
}else if(m.neary !== false) {
context.fillText([target.x, m.neary.y].join(','), target.x + 3, m.neary.y - 3);
context.beginPath();
context.arc(target.x, m.neary.y, 3, 2*Math.PI, false);
context.fill();
}
}
};
var emptyLines = function() {
drawCallBack = null;
}
var target;
var mousedown = 0;
var lastmovex, lastmovey;
zoom_canvas.onmousemove = canvas.onmousemove = function(e) {
var movex = e.offsetX || e.layerX;
var movey = e.offsetY || e.layerY;
if(target) {
zoomer.setXY(movex, movey);
var newx = target.x + (movex-lastmovex);
var newy = target.y + (movey-lastmovey);
if(ifhit(newx, newy, target.w, target.h, target.name)) {
return;
}
target.x = newx;
target.y = newy;
lastmovex = movex;
lastmovey = movey;
var m = ifMagnet(newx, newy, target.w, target.h, target.name);
if(m) {
//draw lines...
drawLines(m);
}else {
emptyLines();
}
refresh();
}else {
var mouseOverTarget = ifhit(movex, movey);
if(mouseOverTarget) {
document.body.style.cursor = 'pointer';
}else {
document.body.style.cursor = '';
}
}
};
zoom_canvas.onmousedown = canvas.onmousedown = function(e) {
mousedown = 1;
lastmovex = e.offsetX || e.layerX;
lastmovey = e.offsetY || e.layerY;
target = ifhit(lastmovex, lastmovey);
zoomer.setXY(lastmovex, lastmovey);
refresh();
document.body.style.cursor = 'pointer';
};
zoom_canvas.onmouseup = canvas.onmouseup = function(e) {
mousedown = 0;
document.body.style.cursor = 'normal';
zoomer.clear();
if(target) {
var m = ifMagnet(target.x, target.y, target.w, target.h, target.name);
if(m) {
m.nearx !== false ? (target.x = m.nearx.setx) : null;
m.neary !== false ? (target.y = m.neary.sety) : null;
}
emptyLines();
refresh();
target = null;
}
};
var hasClass = function(el, className) {
var reg = new RegExp('(^|\\s)' + className + '(\\s|$)');
return el.className.match(reg);
}
var addClass = function(el, className) {
if(hasClass(el, className)) {
return;
}
el.className += ' '+className;
};
var removeClass = function(el, className) {
var reg = new RegExp('(^|\\s)' + className + '(\\s|$)');
el.className = el.className.replace(reg, '');
};
var getEl = function(id_or_class) {
if(id_or_class.substring(0,1) == '.') {
return document.getElementsByClassName(id_or_class.substring(1));
}else if (id_or_class.substring(0,1) == '#') {
return document.getElementById(id_or_class.substring(1));
}else {
return document.getElementById(id_or_class);
}
};
var nodeList2Array = function(nodelist) {
return Array.prototype.concat.apply([], nodelist);
};
var loadConfigFromLocal = function() {}; //later
var saveConfigToLocal = function() {}; //later
var initialActionsMenu = function() {
//canvas sizes
getEl('canvas_width').placeholder = config.canvas_width;
getEl('canvas_height').placeholder = config.canvas_height;
//packer mode
nodeList2Array(getEl('packer_modes_fixed').getElementsByTagName('button')).concat(nodeList2Array(getEl('packer_modes_grow').getElementsByTagName('button'))).map(function(o){
removeClass(o, 'active');
});
switch(config.packer_mode) {
case 'bintree':
case 'vertical':
case 'bintreeGrow':
case 'Minimize':
posCaculate = packers[config.packer_mode];
addClass(getEl(config.packer_mode), 'active');
}
//zoom setting
nodeList2Array(getEl('zoom_factors').getElementsByTagName('button')).map(function(o){
removeClass(o, 'active');
});
if(!config.if_zoom) {
addClass(getEl('1x'), 'active');
}else if(config.zoom == 2) {
addClass(getEl('2x'), 'active');
}else if(config.zoom == 4) {
addClass(getEl('4x'), 'active');
}
getEl('zoom_setting_value').placeholder = config.zoom_radius;
//magnet
if(config.if_magnet) {