2013-11-28 09:41:53 +04:00
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<html>
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<style>
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button,
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details {
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border: solid 1px gray;
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border-radius: 4px;
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margin: 1px;
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background: white;
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}
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details > div {
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margin: 10px;
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}
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summary {
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padding-left: 3px;
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background: #ddd;
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}
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input[type=range] {
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width: 300px;
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}
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2013-11-28 10:04:33 +04:00
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input[type=range]:after {
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content: attr(value);
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2013-11-28 14:54:26 +04:00
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color: black;
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2013-11-28 10:04:33 +04:00
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}
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2013-11-28 09:41:53 +04:00
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div > span:first-child {
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display: inline-block;
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width: 100px;
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}
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</style>
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<script src="jquery.js"></script>
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<script>
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function updateFilter(e, f, v){
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var state = e
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.css('-webkit-filter')
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state = state == 'none' ? '' : state + ' '
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state = state.replace(RegExp(f+'\\s*\\([^\\)]*\\)'), '')
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state += f+'('+v+')'
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e.css({
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'-webkit-filter': state,
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'filter': state
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})
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return v
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}
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function resetPrevRange(e){
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e = $(e).prev('input[type=range]')
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e.val(e.attr('default'))
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.change()
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}
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2013-11-28 10:04:33 +04:00
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// XXX this does not set hue correctly...
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2013-11-28 09:41:53 +04:00
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function loadSliderState(){
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var state = $('#image')
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.css('-webkit-filter')
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.split(/\s*\(\s*|\s*\)\s*/g)
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.reverse()
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.slice(1)
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// reset sliders do defaults...
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$('input[type=range]').each(function(i, e){
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e = $(e)
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e.val(e.attr('default'))
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})
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// set the saved values...
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while(state.length > 0){
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2013-11-28 10:04:33 +04:00
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var e = $('#'+state.pop())
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2013-11-28 14:54:26 +04:00
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.val(parseFloat(state.pop()))
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2013-11-28 09:41:53 +04:00
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}
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}
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function saveState(){
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var l = $('.state').length
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var state = $('#image').css('-webkit-filter')
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$('<button></button>')
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.text(l)
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.addClass('state '+l)
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.attr('state', state)
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.click(function(){
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$('#image').css('-webkit-filter', state)
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loadSliderState()
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})
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.appendTo($('.states'))
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}
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function clearStates(){
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$('.state').remove()
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}
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</script>
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<body>
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<img id="image" src="image.jpg">
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2013-11-28 10:04:33 +04:00
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<details open>
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2013-11-28 09:41:53 +04:00
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<summary>Controls</summary>
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<div>
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<div>
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<span>Brightness:</span>
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<input type="range" id="brightness" onchange="updateFilter($('#image'), this.id, this.valueAsNumber);" value="1" step="0.1" min="0" max="10" list="0" default="1">
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<button class="reset" onclick="resetPrevRange(this)">x</button>
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</div>
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<div>
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<span>Contrast:</span>
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<input type="range" id="contrast" onchange="updateFilter($('#image'), this.id, this.valueAsNumber);" value="1" step="0.1" min="0" max="10" default="1">
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<button class="reset" onclick="resetPrevRange(this)">x</button>
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</div>
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<div>
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<span>Saturation:</span>
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<input type="range" id="saturate" onchange="updateFilter($('#image'), this.id, this.valueAsNumber);" value="1" step="0.1" min="0" max="10" default="1">
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<button class="reset" onclick="resetPrevRange(this)">x</button>
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</div>
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<div>
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<span>Hue:</span>
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2013-11-28 14:54:26 +04:00
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<input type="range" id="hue-rotate" onchange="updateFilter($('#image'), this.id, this.valueAsNumber+'deg');" value="0" step="1" min="-180" max="180" default="0">
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2013-11-28 09:41:53 +04:00
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<button class="reset" onclick="resetPrevRange(this)">x</button>
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</div>
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<div>
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<span>Invert:</span>
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<input type="range" id="invert" onchange="updateFilter($('#image'), this.id, this.valueAsNumber);" value="0" step="0.01" min="0" max="1" default="0">
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<button class="reset" onclick="resetPrevRange(this)">x</button>
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</div>
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<div>
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<span>Grayscale:</span>
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<input type="range" id="grayscale" onchange="updateFilter($('#image'), this.id, this.valueAsNumber);" value="0" step="0.01" min="0" max="1" default="0">
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<button class="reset" onclick="resetPrevRange(this)">x</button>
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</div>
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<div>
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<span>Sepia:</span>
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<input type="range" id="sepia" onchange="updateFilter($('#image'), this.id, this.valueAsNumber);" value="0" step="0.01" min="0" max="1" default="0">
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<button class="reset" onclick="resetPrevRange(this)">x</button>
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</div>
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<button onclick="$('.reset').click()">Reset all</button>
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</div>
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</details>
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<details>
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<summary>States</summary>
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<div>
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<div class="states">
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</div>
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<button onclick="saveState()">Save</button>
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<button onclick="clearStates()">Clear</button>
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</div>
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</details>
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</body>
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</html>
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