为什么不直接用 option() 方法改变它呢?来自panzoom 文档:
// One at a time
// Sets the scale increment option
$elem.panzoom("option", "duration", 1200);
// Several options at once
$elem.panzoom("option", {
increment: 0.4,
minScale: 0.1,
maxScale: 2,
duration: 500,
$reset: $("a.reset-panzoom, button.reset-panzoom")
});
您不必更改源中的任何默认值来设置不同的持续时间。
编辑:
如文档中所述,您需要给“缩放”一个布尔属性 true 以在选项中设置您自己的持续时间:
“如果方法传递一个布尔值,true 将指示根据选项中指定的增量执行缩小。如果为 false(或省略),将执行放大。”
下面是一个工作版本,我在选项(2500)中设置了自定义持续时间并使用了 panzoom(“zoom”,true):
<html>
<head>
<script src="http://ajax.googleapis.com/ajax/libs/jquery/1.11.0/jquery.min.js"></script>
<script src="http://timmywil.github.io/jquery.panzoom/dist/jquery.panzoom.js"></script>
</head>
<body>
<section id="contain">
<h1>Containment within the parent element</h1>
<div class="panzoom-parent" style="overflow: hidden; position: relative;">
<img class="panzoom" src="http://blog.millermedeiros.com/wp-content/uploads/2010/04/awesome_tiger.svg" width="900" height="900" style="transform: matrix(0.9, 0, 0, 0.9, -46, 44); backface-visibility: hidden; transform-origin: 50% 50% 0px; cursor: move; transition: transform 200ms ease-in-out;">
</div>
<div class="buttons">
<button class="zoom-in">Zoom In</button>
<button class="zoom-out">Zoom Out</button>
<input type="range" class="zoom-range" step="0.05" min="0.4" max="0.9">
<button class="reset">Reset</button>
</div>
<script>
(function() {
var $section = $('#contain');
var $panzoom = $section.find('.panzoom').panzoom({
$zoomIn: $section.find(".zoom-in"),
$zoomOut: $section.find(".zoom-out"),
$zoomRange: $section.find(".zoom-range"),
$reset: $section.find(".reset"),
startTransform: 'scale(0.9)',
maxScale: 0.9,
increment: 0.1,
contain: true,
duration:2500
}).panzoom('zoom', true);
})();
</script>
</section>
</body>
</html>