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画像の真ん中をいい感じに切り取るスクリプト
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| define(['utils', 'template'], function (Utils, JST) { | |
| 'use strict'; | |
| function render() { | |
| // テンプレート使ってレンダリングする例 | |
| $('#target').html(JST['app/templates/fuga.ejs'], {images: [],....}); | |
| // 画像を60px * 60pxの枠に納める場合 | |
| var adjustFn = Utils.createImageAdjustFn(60, 60); | |
| $('#target img').on('laod', function() { | |
| adjustFn($(this)).removeClass('need_adjust'); | |
| }); | |
| } | |
| render(); | |
| }); |
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| define([], function () { | |
| 'use strict'; | |
| function createImageAdjustFn(boxWidth, boxHeight) { | |
| return function($img) { | |
| var width = $img.width(); | |
| var height = $img.height(); | |
| if (width > height) { | |
| $img.css({ | |
| 'height': boxHeight, | |
| 'left': -1 * Math.floor(boxWidth/2 * (width/height - 1)) | |
| }); | |
| } else { | |
| $img.css({ | |
| 'width': boxWidth, | |
| 'top': -1 * Math.floor(boxHeight/2 * (height/width - 1)) | |
| }); | |
| } | |
| return $img; | |
| } | |
| } | |
| return { | |
| createImageAdjustFn: createImageAdjustFn | |
| } | |
| }); |
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