透過網頁讀取Photoshop PSD檔案內容
在專案中有需要透過網頁來讀取Photoshop PSD檔案的內部資訊，我們透過PSD.js（備用載點）來實現這樣的功能，在官方提供的功能展示頁中，我們可以看到在頁面中只需引入psd.min.js後，加入透過少量的Javascript就可以針對PSD進行解析。
<!DOCTYPE html>
<html>
<head>
<title>psd.js image example</title>
<style type="text/css">
body, html {
padding: 0;
margin: 0;
}
#dropzone {
width: 500px;
height: 100px;
border: 1px #ababab dashed;
margin: 50px auto;
}
#dropzone p {
text-align: center;
line-height: 100px;
margin: 0;
padding: 0;
}
#image {
text-align: center;
}
</style>
<script type="text/javascript" src="psd.min.js"></script>
</head>
<body>
<div id="dropzone">
<p>Drop here</p>
</div>
<div id="image"></div>
<pre id="data"></pre>
<script type="text/javascript">
(function () {
var PSD = require('psd');
document.getElementById('dropzone').addEventListener('dragover', onDragOver, true);
document.getElementById('dropzone').addEventListener('drop', onDrop, true);
function onDragOver(e) {
e.stopPropagation();
e.preventDefault();
e.dataTransfer.dropEffect = 'copy';
}
function onDrop(e) {
e.stopPropagation();
e.preventDefault();
PSD.fromEvent(e).then(function (psd) {
var data = JSON.stringify(psd.tree().export(), undefined, 2);
document.getElementById('data').innerHTML = data;
document.getElementById('image').appendChild(psd.image.toPng());
});
}
}());
</script>
</body>
</html>
我們透過下圖這樣的一個PSD檔案對頁面進行測試，檔案中共有三個圖層，包含一個文字圖層。
頁面將PSD分析出結果後，以json格式顯示在頁面上，可以看到文字圖層的部分，不僅能讀到圖層名稱也包含文字內容和字型名稱。
{
"children": [
{
"type": "layer",
"visible": true,
"opacity": 1,
"blendingMode": "normal",
"name": "Photoshop Text",
"left": 302,
"right": 723,
"top": 90,
"bottom": 128,
"height": 38,
"width": 421,
"mask": {},
"text": {
"value": "THIS IS TEXT LAYER",
"font": {
"name": "MyriadPro-Regular\u0000",
"sizes": [
53
],
"colors": [
[
0,
0,
0,
255
]
],
"alignment": [
"center"
]
},
"left": 0,
"top": 0,
"right": 0,
"bottom": 0,
"transform": {
"xx": 1,
"xy": 0,
"yx": 0,
"yy": 1,
"tx": 513,
"ty": 127
}
},
"image": {}
},
{
"type": "layer",
"visible": true,
"opacity": 1,
"blendingMode": "normal",
"name": "PSD Icon",
"left": 287,
"right": 738,
"top": 209,
"bottom": 669,
"height": 460,
"width": 451,
"mask": {},
"image": {}
},
{
"type": "layer",
"visible": true,
"opacity": 1,
"blendingMode": "normal",
"name": "Background",
"left": 0,
"right": 1024,
"top": 0,
"bottom": 800,
"height": 800,
"width": 1024,
"mask": {},
"image": {}
}
],
"document": {
"width": 1024,
"height": 800,
"resources": {
"layerComps": [],
"guides": [],
"slices": []
}
}
}
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I was curious if yyou ever considered changing thee lyout oof yor blog?
Itss ver well written; I love whast youve got to say. Butt maybe you
could a little mlre iin thhe wway of contenbt so people couod connect withh it better.
Youve gott aan awfuil lot of ext forr only having one orr two images.
Maybe yyou could space itt out better?
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