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index.html
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Scan</title>
<script src="javascript/jquery.min.js" type="text/javascript"></script>
<script src="javascript/jquery.Jcrop.js" type="text/javascript"></script>
<script src="javascript/jquery-ui.js" type="text/javascript"></script>
<script src="javascript/knockout-3.3.0.js" type="text/javascript"></script>
<script src="javascript/bootstrap.min.js" type="text/javascript"></script>
<script src="javascript/amplify.min.js" type="text/javascript"></script>
<link rel="stylesheet" href="content/jquery.Jcrop.min.css" type="text/css" />
<link rel="stylesheet" href="content/jquery-ui.css" type="text/css">
<link rel="stylesheet" href="content/bootstrap.min.css" type="text/css">
<link rel="stylesheet" href="content/bootstrap-theme.min.css" type="text/css">
<link rel="stylesheet" href="content/theme.css" type="text/css">
</head>
<body role="document">
<nav class="navbar navbar-inverse navbar-fixed-top">
<div class="container">
<div class="navbar-header">
</div>
<div id="navbar" class="navbar-collapse collapse">
</div>
<!--/.nav-collapse -->
</div>
</nav>
<div class="container theme-showcase" role="main">
<h1>scanserv</h1>
<div class="row">
<div class="col-md-5">
<div class="row">
<div class="col-md-6">
<div class="form-group">
<label for="device">Device</label>
<select id="device" class="form-control">
</select>
</div>
</div>
<div class="col-md-6">
<div class="form-group">
<br/>
<button id="refreshdev" type="button" class="btn btn-default btn-lg">Refresh</button>
</div>
</div>
</div>
<hr/>
<div class="row">
<div class="col-md-6">
<div class="form-group">
<label for="resolution">Resolution</label>
<select id="resolution" class="form-control"></select>
</div>
<div class="form-group">
<label for="mode">Mode</label>
<select id="mode" class="form-control"></select>
</div>
<label for="brightness">Brightness</label>
<input id="brightness" type="text" class="form-control" value="0" />
<div id="brightness_slider" class="slider"></div>
<label for="Contrast">Contrast</label>
<input id="contrast" type="text" class="form-control" value="0" />
<div id="contrast_slider" class="slider"></div>
<div class="form-group">
<label for="format">Format</label>
<select id="format" class="form-control">
</select>
</div>
<div class="form-group">
<br/>
<button id="defaultimg" type="button" class="btn btn-default btn-lg">Default <span class="glyphicon glyphicon-refresh" aria-hidden="true"></span></button>
</div>
</div>
<div class="col-md-6">
<div class="form-group">
<label for="t">Top</label>
<input id="t" type="text" class="form-control" value="0" />
</div>
<div class="form-group">
<label for="l">Left</label>
<input id="l" type="text" class="form-control" value="0" />
</div>
<div class="form-group">
<label for="x">Width</label>
<input id="x" type="text" class="form-control" value="215" />
</div>
<div class="form-group">
<label for="y">Height</label>
<input id="y" type="text" class="form-control" value="296" />
</div>
<div class="form-group">
<label for="source">Source</label>
<select id="source" class="form-control">
<option selected="selected">Flatbed</option>
</select>
</div>
<div class="form-group">
<br/>
<button id="defaultsel" type="button" class="btn btn-default btn-lg">Full <span class="glyphicon glyphicon-fullscreen" aria-hidden="true"></span></button>
</div>
<br/>
<div class="btn-group" role="group" aria-label="...">
<button id="preview" type="button" class="btn btn-default btn-lg">preview <span class="glyphicon glyphicon-search" aria-hidden="true"></span></button>
<button id="scan" type="button" class="btn btn-default btn-lg">scan <span class="glyphicon glyphicon-camera" aria-hidden="true"></span></button>
</div>
</div>
</div>
<div class="row">
<br />
</div>
<div id="files" class="row" style="display: none" >
<table class="table">
<thead>
<tr>
<th>Filename</th>
<th>Last modified</th>
<th>Filesize</th>
<th></th>
</tr>
</thead>
<tbody data-bind="foreach: files">
<tr>
<td>
<a data-bind="attr: { href: fullname }, text: name" download></a>
</td>
<td data-bind="text: lastModified"></td>
<td data-bind="text: size"></td>
<td><button type="button" data-bind="click: function () { page.deletefile(fullname); }"><span class="glyphicon glyphicon-trash" aria-hidden="true"></span></button></td>
</tr>
</tbody>
</table>
</div>
</div>
<div class="col-md-7">
<div id="image">
<img id="previmage" src="#" alt="" width=423 style="display: none" />
</div>
</div>
</div>
<div class="hide">
<div class="collapse-group">
<p><a class="btn" href="#" data-toggle="collapse" data-target="#cmdlinediv">Command line testing »</a></p>
<div class="collapse" id="cmdlinediv">
<textarea id="cmdtext" rows="3" cols="80"></textarea>
<input id="cmdexec" type="button" value="exec" class="btn btn-default" />
<div id="response"></div>
</div>
</div>
</div>
</div>
</body>
<script>
var jcropmanager = {
previewDpi: 50,
millimetresPerInch: 25.4,
a4: {
width: 215,
height: 296
},
canvas: {
width: 215 * this.previewDpi / this.millimetresPerInch,
height: 296 * this.previewDpi / this.millimetresPerInch
},
jcrop_api: null,
dotsToMm: function (dots) {
var millimetresPerDot = this.millimetresPerInch / this.previewDpi;
return Math.round(dots * millimetresPerDot);
},
mmToDots: function (mm) {
var dotsPerMm = this.previewDpi / this.millimetresPerInch;
return Math.round(mm * dotsPerMm);
},
//jcrop onChange and onSelect event handler
showCoords: function (c) {
page.values({
left: jcropmanager.dotsToMm(c.x),
top: jcropmanager.dotsToMm(c.y),
width: jcropmanager.dotsToMm(c.w),
height: jcropmanager.dotsToMm(c.h)
});
page.save();
},
//jcrop onRelease event handler
clearCoords: function () {
page.values({
left: 0,
top: 0,
width: '',
height: ''
});
page.save();
},
getSelect: function () {
var data = page.values();
return [
jcropmanager.mmToDots(data.left),
jcropmanager.mmToDots(data.height + data.top),
jcropmanager.mmToDots(data.width + data.left),
jcropmanager.mmToDots(data.top)
];
},
init: function () {
var options = {
onChange: jcropmanager.showCoords,
onSelect: jcropmanager.showCoords,
onRelease: jcropmanager.clearCoords,
setSelect: jcropmanager.getSelect()
};
$('#image').Jcrop(options, function () {
jcropmanager.jcrop_api = this;
});
}
};
var api = {
url: null,
call: function (data) {
var options = {
type: "POST",
contentType: "application/json",
dataType: "json",
url: api.url,
data: JSON.stringify(data)
};
return $.ajax(options);
},
init: function () {
api.url = 'api.php';
api.call({
type: 'ping'
}).error(function (data) {
api.url = 'api.js'
});
}
};
var page = {
files: ko.observableArray(),
notify: function (o) {
var s = $.isPlainObject(o) ? JSON.stringify(o) : o;
$("#response").text(s);
},
refreshPreviewImage: function () {
api.call({
type: 'previewToJpeg'
}).done(function (data) {
if ( data.data.jpg.length >= 500 ) {
$("#previmage").attr('src',"data:image/jpeg;base64," + data.data.jpg );
}
});
},
preview: function () {
// Keep reloading the preview image
$("#preview").attr("disabled", "disabled");
var timer = window.setInterval(page.refreshPreviewImage, 1000);
$("#previmage").attr("style", "display:block");
// Start the scan
api.call({
type: 'preview',
data: page.values()
}).done(function (data) {
window.clearInterval(timer);
$("#preview").removeAttr("disabled");
});
},
getdefaults: function () {
api.call({
type: 'getDefaults'
}).done(function (data) {
page.defaults=data.data;
});
},
getformats: function () {
api.call({
type: 'getFormats'
}).done(function (data) {
if (data.data.length > 0) {
var format = $("#format");
format.empty();
for (var i = 0; i < data.data.length; i++) {
format.append("<option value=\"" + data.data[i] + "\">" + data.data[i].toUpperCase() + "</option>");
}
format.val("tiff");
}
});
},
getoptions: function () {
api.call({
type: 'getOptions'
}).done(function (data) {
page.device = data.data;
page.devices = new Array();
if (data.data.length > 0) {
var device = $("#device");
device.empty();
for (var i = 0; i < data.data.length; i++) {
device.append("<option value=\"" + data.data[i].name + "\">" + data.data[i].description + "</option>");
page.devices[data.data[i].name] = i;
}
device.trigger("change");
}
});
},
scan: function () {
$("#scan").attr("disabled", "disabled");
api.call({
type: 'scan',
data: page.values()
}).done(function (data) {
$("#scan").removeAttr("disabled");
page.notify(data);
page.listfiles();
});
},
listfiles: function () {
api.call({
type: 'fileList'
}).done(function (response) {
page.notify(response);
page.files.removeAll();
for (var index = 0; index < response.data.length; index++) {
page.files.push(response.data[index]);
}
if (response.data.length > 0) {
$("#files").css("display","block");
} else {
$("#files").css("display","none");
}
});
},
deletefile: function (file) {
api.call({
type: 'fileDelete',
data: file
}).done(function (response) {
page.notify(response);
page.listfiles();
});
},
cmdexec: function () {
$("#cmdexec").attr("disabled", "disabled");
api.call({
type: 'cmdline',
data: $("#cmdtext").val()
}).done(function (data) {
$("#cmdexec").removeAttr("disabled");
page.notify(data);
});
},
refreshdevices: function () {
$("#refreshdev").attr("disabled", "disabled");
api.call({
type: 'refreshDevices'
}).done(function (data) {
$("#refreshdev").removeAttr("disabled");
page.getoptions(data);
});
},
values: function () {
if (arguments.length === 0) {
return {
top: parseInt($("#t").val()),
left: parseInt($("#l").val()),
width: parseInt($("#x").val()),
height: parseInt($("#y").val()),
mode: $("#mode").val(),
depth: 8,
resolution: parseInt($("#resolution").val()),
format: $("#format").val(),
brightness: parseInt($("#brightness").val()),
contrast: parseInt($("#contrast").val()),
source: $("#source").val(),
device: $("#device").val()
};
} else {
var data = page.values();
$.extend(data, arguments[0]);
$("#t").val(data.top);
$("#l").val(data.left);
$("#x").val(data.width);
$("#y").val(data.height);
$("#resolution").val(data.resolution);
$("#mode").val(data.mode);
$("#format").val(data.format);
$("#brightness").val(data.brightness);
$("#brightness_slider").slider('value', data.brightness);
$("#contrast").val(data.contrast);
$("#contrast_slider").slider('value', data.contrast);
$("#source").val(data.source);
}
},
save: function () {
var vals = page.values();
amplify.store("savedForm", vals);
},
load: function () {
var stored = amplify.store("savedForm") || page.defaults;
if (stored) {
page.values(stored);
}
},
updatecontrol: function (name, dummyValue) {
var option = page.device[page.deviceIndex].options[name];
if (option != null && option.defaultValue != "inactive") {
$("#"+name).removeAttr("disabled");
return option.defaultValue;
} else {
$("#"+name).attr("disabled","disabled");
return dummyValue;
}
},
updateslider: function (name) {
var option = page.device[page.deviceIndex].options[name];
var minimum = 0;
var maximum = 0;
if (option != null && option.defaultValue != "inactive") {
minimum = option.values[0];
maximum = option.values[option.values.length-1];
}
$("#"+name+"_slider").slider({
min: minimum,
max: maximum,
value: 0,
step: 1,
slide: function (e, ui) {
var $input = $("#" + e.target.id.replace("_slider", ""));
$input.val(ui.value).change();
}
});
},
populatecombo: function (name) {
var option = page.device[page.deviceIndex].options[name];
if (option != null && option.defaultValue != "inactive") {
var element = $("#"+name);
element.empty();
for (var val = 0; val < option.values.length; val++) {
element.append("<option value=\"" + option.values[val] + "\">" + option.values[val] + "</option>");
}
}
},
init: function () {
page.getformats();
page.getoptions();
$(".slider").slider({
min: -100,
max: 100,
value: 0,
step: 1,
slide: function (e, ui) {
var $input = $("#" + e.target.id.replace("_slider", ""));
$input.val(ui.value).change();
}
});
$("#preview").on("click", function () {
page.preview();
});
$("#scan").on("click", function () {
page.scan();
});
$("#device").on("change", function () {
var deviceName = $(this).val();
page.deviceIndex = page.devices[deviceName];
page.populatecombo("mode")
page.populatecombo("resolution");
page.populatecombo("source");
$("#defaultimg").trigger("click");
$("#defaultsel").trigger("click");
});
$("#refreshdev").on("click", function () {
page.refreshdevices();
});
$("#defaultsel").on("click", function () {
var left = page.updatecontrol("l", 0);
var top = page.updatecontrol("t", 0);
var width = page.updatecontrol("x", 0);
var height = page.updatecontrol("y", 0);
page.values({
top: top,
left: left,
height: height,
width: width
});
page.save();
jcropmanager.init();
});
$("#defaultimg").on("click", function () {
var resolution = page.updatecontrol("resolution", 0);
var mode = page.updatecontrol("mode", "");
var source = page.updatecontrol("source", "");
var brightness = page.updatecontrol("brightness", 0);
var contrast = page.updatecontrol("contrast", 0);
page.updateslider("brightness");
page.updateslider("contrast");
page.values({
resolution: resolution,
mode: mode,
brightness: brightness,
contrast: contrast,
source: source,
format: "tiff"
});
page.save();
});
$("#cmdexec").on("click", function () {
page.cmdexec();
});
$("#brightness, #contrast").on("change", function (e) {
var val = parseInt(e.target.value);
var $slider = $("#" + e.target.id + "_slider");
val = isNaN(val) ? $slider.slider("value") : val;
var option = page.device[page.deviceIndex].options[e.target.id];
if (option != null) {
var minimum = option.values[0];
var maximum = option.values[option.values.length-1];
if (val < minimum) val = minimum;
if (val > maximum) val = maximum;
}
e.target.value = val;
$slider.slider("value", val);
});
$("#t, #l, #x, #y").on("change", function (e) {
jcropmanager.init();
});
$("#t, #l, #x, #y, #resolution, #mode, #format, #brightness, #contrast").on("change", function (e) {
page.save();
});
page.load();
jcropmanager.init();
ko.applyBindings({ files: page.files });
page.listfiles();
}
};
api.init();
page.init();
</script>
</html>