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splashscreen-v2.html
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splashscreen-v2.html
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<html>
<head>
<!-- start at 16-06 12:25 -->
<title>Cordova image creator</title>
<meta charset="UTF-8">
<script type="text/javascript" src="jszip.min.js"></script>
<script type="text/javascript" src="FileSaver.min.js"></script>
<script type="text/javascript">
let configSet = false;
let sourceSet = false;
let avdSet = false;
let images = [];
let source = null;
let avdSource = null;
let avdPath = null;
window.onload = function() {
var configInput = document.getElementById('config');
configInput.addEventListener("change", parseConfig);
var sourceInput = document.getElementById('image');
sourceInput.addEventListener("change", parseImage);
var avdInput = document.getElementById('avd');
avdInput.addEventListener("change", parseAvd);
var zipButton = document.getElementById('zip');
zipButton.addEventListener("click", createImages);
};
function createZip() {
var zip = new JSZip();
if(avdPath) {
zip.file(avdPath, avdSource);
}
for (let i = 0; i < images.length; i++) {
let image = images[i];
zip.file(image.src, image.blob.split(",")[1], {
base64: true
});
}
zip.generateAsync({type:"blob"}).then(function(content) {
// see FileSaver.js
saveAs(content, "splash.zip");
});
}
function createImages(e) {
if (configSet != true || sourceSet != true || avdSet != true) {
alert("Not all data is set");
return;
}
let canvasOrig = document.createElement('canvas');
let contextOrig = canvasOrig.getContext('2d');
contextOrig.imageSmoothingEnabled = true;
canvasOrig.width = 10;
canvasOrig.height = 10;
contextOrig.width = 10;
contextOrig.height = 10;
let imgOrig = new Image();
imgOrig.onload = function() {
contextOrig.drawImage(imgOrig, 0, 0);
let color = contextOrig.getImageData(0, 0, 1, 1);
let n = 0;
for (let i = 0; i < images.length; i++) {
let image = images[i];
let canvas = document.createElement('canvas');
let context = canvas.getContext('2d');
context.imageSmoothingEnabled = true;
canvas.width = image.width;
canvas.height = image.height;
context.width = image.width;
context.height = image.height;
//fill background
context.beginPath();
context.rect(0, 0, image.width, image.height);
context.fillStyle = "white";
context.fill();
//fill background
context.beginPath();
context.rect(0, 0, image.width, image.height);
context.fillStyle = "rgba(" + color.data[0] + "," + color.data[1] + "," + color.data[2] + "," + color.data[3] + ")";
context.fill();
let img = new Image();
img.onload = function() {
if (img.width / img.height > image.width / image.height) {
context.drawImage(img, 0, (image.height - (img.height * image.width / img.width)) / 2, image.width, img.height * image.width / img.width);
} else {
context.drawImage(img, (image.width - (img.width * image.height / img.height)) / 2, 0, img.width * image.height / img.height, image.height);
}
image.blob = canvas.toDataURL("image/png");
n++;
if (n == images.length) {
createZip();
}
}
img.src = source;
}
}
imgOrig.src = source;
}
function parseConfig(e) {
if (e.target.files[0].type != "text/xml") {
return false;
}
var reader = new FileReader();
reader.onload = (theFile) => {
images = [];
var parser = new DOMParser();
var xmlDoc = parser.parseFromString(theFile.target.result, "text/xml");
var preferences = xmlDoc.getElementsByTagName("preference");
for (let i = 0; i < preferences.length; i++) {
if(preferences[i].getAttribute("name") == "AndroidWindowSplashScreenAnimatedIcon") {
avdPath = preferences[i].getAttribute("value");
}
}
var iconSizes = xmlDoc.getElementsByTagName("splash");
for (let i = 0; i < iconSizes.length; i++) {
if (iconSizes[i].getAttribute("src")) {
let image = {
src: iconSizes[i].getAttribute("src"),
width: 0,
height: 0,
blob: null
};
if (iconSizes[i].getAttribute("density")) {
switch (iconSizes[i].getAttribute("density")) {
case "land-hdpi":
image.width = 800;
image.height = 480;
break;
case "land-ldpi":
image.width = 320;
image.height = 200;
break;
case "land-mdpi":
image.width = 480;
image.height = 320;
break;
case "land-xhdpi":
image.width = 1280;
image.height = 720;
break;
case "land-xxhdpi":
image.width = 1600;
image.height = 960;
break;
case "land-xxxhdpi":
image.width = 1920;
image.height = 1280;
break;
case "port-hdpi":
image.width = 480;
image.height = 800;
break;
case "port-ldpi":
image.width = 200;
image.height = 320;
break;
case "port-mdpi":
image.width = 320;
image.height = 480;
break;
case "port-xhdpi":
image.width = 720;
image.height = 1280;
break;
case "port-xxhdpi":
image.width = 960;
image.height = 1600;
break;
case "port-xxxhdpi":
image.width = 1280;
image.height = 1920;
break;
}
}
if(iconSizes[i].getAttribute("src").endsWith("Default@2x~universal~anyany.png")) {
image.width = 2732;
image.height = 2732;
}
if(iconSizes[i].getAttribute("src").endsWith("Default@2x~universal~comany.png")) {
image.width = 1278;
image.height = 2732;
}
if(iconSizes[i].getAttribute("src").endsWith("Default@2x~universal~comcom.png")) {
image.width = 1334;
image.height = 750;
}
if(iconSizes[i].getAttribute("src").endsWith("Default@3x~universal~anyany.png")) {
image.width = 2208;
image.height = 2208;
}
if(iconSizes[i].getAttribute("src").endsWith("Default@3x~universal~anycom.png")) {
image.width = 2208;
image.height = 1242;
}
if(iconSizes[i].getAttribute("src").endsWith("Default@3x~universal~comany.png")) {
image.width = 1242;
image.height = 2208;
}
if (iconSizes[i].getAttribute("width") && iconSizes[i].getAttribute("height")) {
image.width = +iconSizes[i].getAttribute("width");
image.height = +iconSizes[i].getAttribute("height");
}
if (image.width != 0 && image.height != 0) {
images.push(image);
}
}
}
configSet = (images.length != 0);
};
reader.readAsText(e.target.files[0]);
return true;
}
function parseImage(e) {
var url = URL.createObjectURL(e.target.files[0]);
source = url;
sourceSet = true;
}
function parseAvd(e) {
var url = e.target.files[0];
avdSource = url;
avdSet = true;
}
</script>
</head>
<body>
<h1>SVG to PNG demo</h1>
<h2>Select cordova config file</h2>
<input type="file" id="config" />
<br/>
<h2>Select svg source image (ios)</h2>
<input type="file" id="image" />
<br/>
<h2>Select avd source image</h2>
Create it with <a href="https://shapeshifter.design/">https://shapeshifter.design/</a>:
<br/>
<input type="file" id="avd" />
<br/>
<h2>Run code</h2>
<input type="button" id="zip" value="Create images" />
<br/>
<h2>Canvas:</h2>
</body>
<html>