透過網頁讀取PSD後，依圖層輸出PNG檔案
在前面介紹過網頁可以讀取PSD檔案並擷取到該檔案的資訊，接著我們會希望能透過網頁上傳PSD檔之後，依照圖層來輸出圖片，同樣是利用PSD.js來輔助進行，可以透過我們製作的範例頁面來進行輸出測試。
預設輸出效果
透過PSD.js可將PSD內的各圖層輸出成PNG圖檔，亦可轉成Base 64圖檔格式，惟輸出時每個圖檔的尺寸並不會根據整體PSD檔大小來配置。
<!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 PSD here</p>
</div>
<div id="image"></div>
<pre id="data"></pre>
<script type="text/javascript">
(function () {
const 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) {
for (var i = 0; i < psd.layers.length; i ++){
document.getElementById('image').appendChild(psd.layers[i].image.toPng());
}
});
}
}());
</script>
</body>
</html>
依照整體PSD配置進行輸出
我們希望讓每個圖片在輸出後能保時相同的尺寸，也就是依照PSD的畫布大小來輸出每一張圖檔，但在原生PSD.js中並不具備這樣的功能，於是我們透過下述的方式來達成：
- 擷取PSD資訊並將圖檔轉為Base 64格式
- 產生與PSD尺寸大小相同的HTML Canvas
- 將產生的Base 64圖檔，依照原始位置放入Canvas中
- 將Canvas轉成PNG圖檔
可以參考我們製作的範例頁面
<!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 PSD here</p>
</div>
<div id="image"></div>
<pre id="data"></pre>
<script type="text/javascript">
(function () {
const 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) {
const PSDWidth = psd.tree().width;
const PSDHeight = psd.tree().height;
for (var i = 0; i < psd.layers.length; i ++){
const img = new Image();
img.src = psd.layers[i].image.toBase64();
console.log(psd);
const layerWidth = psd.layers[i].width;
const layerHeight = psd.layers[i].height;
const layerLeft = psd.layers[i].left;
const layerTop = psd.layers[i].top;
const canvas = document.createElement("canvas");
canvas.setAttribute('class', "canvas");
canvas.width = PSDWidth;
canvas.height = PSDHeight;
console.log("canvas :", canvas);
img.onload = function(){
canvas.getContext("2d").drawImage(img, layerLeft, layerTop, layerWidth, layerHeight);
document.getElementById('image').appendChild(canvas);
}
}
});
}
}());
</script>
</body>
</html>
PSD檔案輸出限制
1. 無法輸出帶有效果的圖片
在PSD中我們可能會針對圖層套用一些效果，例如：陰影、光暈、筆畫…等等，但在輸出後的圖檔將不會帶有這些效果。
解決方法：透過點陣化圖層效果，即可輸出相對應的圖檔。
2. 無法輸出帶有遮色片效果的圖片
解決方法：將圖層轉為智慧型物件，即可輸出相對應的圖檔。
3. 無法依圖層混合模式輸出圖片
解決方法：無法解決
xxl mexican pharm: reputable mexican pharmacies online – best online pharmacies in mexico
Приветствуем вас на нашем веб-сайте!
Здесь вы найдёте всё необходимое для успешного управления своими финансами.
Мы предлагаем широкий спектр финансовых продуктов,
которые помогут вам достичь ваших целей и обеспечить
стабильность в будущем.
В нашем ассортименте представлены
различные виды банковских продуктов,
инвестиции, страхование, кредиты
и многое другое. Мы постоянно обновляем нашу базу данных, чтобы
вы всегда были в курсе последних тенденций и
инноваций на финансовом рынке.
Наши специалисты помогут вам выбрать наиболее подходящий продукт, учитывая ваши индивидуальные потребности и предпочтения.
Мы предоставляем консультации и рекомендации,
чтобы вы могли принять обоснованное решение и избежать возможных рисков.
Не упустите возможность воспользоваться
нашими услугами и откройте для себя мир финансовых возможностей!
Заходите на наш сайт, ознакомьтесь с каталогом продуктов и начните свой путь к финансовой стабильности прямо сейчас!
ВТБ – Кредит наличными в Бийске
секс с эскортницей секс с эскортницей .
It’s The Buy Wheel Loader Driving License Online Case Study You’ll Never Forget KöPa Hjullastare Körkort Online
best canadian pharmacy no prescription https://easycanadianpharm.shop/# easy canadian pharm
indianpharmacy com: indian pharmacy online – Mega India Pharm
10 Things You Learned From Kindergarden They’ll Help You Understand Buy Driver’s License Online KöRkortonline
вип эскорт вип эскорт .
canadian pharmacies not requiring prescription https://megaindiapharm.shop/# MegaIndiaPharm
15 Of The Best Documentaries On Driver’s License Is Required körkort trafikverket förnya borås
эскорт услуги в москве http://www.t.me/escort_moscow_pro/ .
How To Outsmart Your Boss On The Swedish Traffic
Agency Take A Driver’s License Photo KöRkortsfoto trafikverket
canada drugs coupon code https://xxlmexicanpharm.shop/# mexican drugstore online
11 “Faux Pas” That Are Actually Acceptable To Create
Using Your Buy A New Drivers License ta nytt körkort (https://Click4r.com)
canadian pharmacy coupon code http://megaindiapharm.com/# MegaIndiaPharm
The Most Popular New Drivers License That Gurus Use
3 Things anmäla förlorat köRkort (valetinowiki.racing)
buying prescription drugs from canada http://megaindiapharm.com/# online shopping pharmacy india
7 Things About Buy Driving License Online You’ll Kick Yourself For Not Knowing Köpa A1 Körkort (Sherlyn)
online pharmacy delivery usa: Cheapest online pharmacy – Cheapest online pharmacy
10 Places Where You Can Find Lost Drivers License
beställa nytt skoterkort (Ima)
medicine in mexico pharmacies: purple pharmacy mexico price list – п»їbest mexican online pharmacies
15 Surprising Stats About Buy A C Driving License Online adress transportstyrelsen
Unexpected Business Strategies For Business That Aided I
Will Buy A Category B Driving License Succeed Kup prawo jazdy
mail order pharmacy no prescription http://familypharmacy.company/# Best online pharmacy
These apes can tell when humans don’t know something, study finds
анальный секс зрелых
Some great apes realize when a human partner doesn’t know something and are capable of communicating information to them to change their behavior, a new study shows.
Researchers from Johns Hopkins University studying bonobos found that they would point to where treats were hidden if they could see their human partner didn’t know where they were, according to a statement from the university, published Monday.
Working with three male bonobos, study co-author Luke Townrow, a Johns Hopkins PhD student, would sit across a table from one of the animals as another person placed a treat under one of three cups.
In some cases, Townrow would be allowed to see which cup the treat was under, and the bonobo would wait for him to pass it the food.
At other times, he would not be able to see where the treat was, and the bonobo would point to the right cup to help him find the food.
The “seemingly simple experiment that demonstrated for the first time that apes will communicate unknown information in the name of teamwork,” the statement reads.
And study co-author Chris Krupenye, a Johns Hopkins assistant professor of psychological and brain sciences, told CNN that the study “is one of the clearest pieces of evidence that a non-human primate understands when someone else is ignorant.”
This ability to intuit gaps in others’ knowledge is known as theory of mind.
“As humans we have theory of mind, the ability to think about others’ perspectives,” Krupenye told CNN on Tuesday.
5 Common Myths About Buy A Taxi License Online Without Exams You Should Avoid köp Sverige körkort
Very good facts Many thanks.
20 Things You Need To Be Educated About Apply For A New Driver’s License GöRa Nytt KöRkort
14 Questions You Shouldn’t Be Uneasy To Ask Driving
License C+E prawo jazdy a1 (Thad)
Sumali sa https://jazz-ph.com – jazz Ngayon at Kumuha ng $100 Welcome Bonus!