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index.htm
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index.htm
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<!DOCTYPE html>
<html lang="fr">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>INSTACUT</title>
<script src="https://cdnjs.cloudflare.com/ajax/libs/jszip/3.6.0/jszip.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/FileSaver.js/2.0.5/FileSaver.min.js"></script>
<style>
body {
background-color: #f0eae3;
font-family: 'Arial', sans-serif;
text-align: center;
margin: 0;
padding: 0;
}
.title-top {
z-index: -1;
font-size: 17vw;
font-weight: bold;
color: white;
overflow: hidden;
}
.content{
position: sticky;
display: block;
width: 100%;
height: 100%;
padding-bottom: 10%;
margin-top: -20%;
transition: margin-top 0.3s;
background-color: #ffffff;
}
.white{
z-index: -1;
position: fixed;
background-color: #fff;
margin-top: 50%;
width: 100%;
height: 100%;
}
#uploadButton, #downloadButton {
padding: 10px 20px;
font-size: 2em;
background-color: #a7cbd9;
border: none;
border-radius: 5px;
cursor: pointer;
color: white;
}
#previewContainer::before {
content: '';
position: absolute;
top: 0;
left: 0;
right: 0;
bottom: 0;
background-image: repeating-linear-gradient(
-45deg,
rgba(0, 0, 0, 0),
rgba(0, 0, 0, 0) 10px,
rgba(128, 128, 128, 0.5) 10px,
rgba(128, 128, 128, 0.5) 20px
);
pointer-events: none;
z-index: 1;
}
#previewContainer .preview-text {
position: absolute;
top: 50%;
left: 50%;
transform: translate(-50%, -50%);
color: rgba(128, 128, 128, 0.5);
font-size: 5em;
z-index: 2;
}
#previewContainer {
position: relative;
width: 700px;
height: 200px;
margin: auto;
margin-top: 3%;
margin-bottom: 1%;
background-color: #fff;
border: 1px solid #ddd;
display: none; /* Initially hidden */
}
.partition-preview {
position: absolute;
width: 200px;
height: 200px;
border-left: 50px solid white;
background-color: #ddd;
}
.partition-preview:nth-child(2) { left: 250px; }
.partition-preview:nth-child(3) { left: 500px; }
#previewContainer img {
width: 100%;
height: auto;
z-index: 0;
}
.drop-zone {
position: relative;
border: 2px dashed #a7cbd9;
padding: 20px;
margin: 5%;
cursor: pointer;
overflow: hidden;
}
.drop-zone.over::before {
content: '';
position: absolute;
top: 50%;
left: 50%;
width:88%;
height: 88%;
border: 2px dotted #a7cbd9;
border-radius: 10px;
animation: fadeAndPulse 2s infinite alternate;
transform: translate(-50%, -50%);
}
.drop-zone.over::after {
content: '';
opacity: 0;
position: absolute;
top: 50%;
left: 50%;
width: 80%;
height: 80%;
border: 2px dotted #a7cbd9;
border-radius: 10px;
animation: pulse 2s infinite alternate;
transform: translate(-50%, -50%);
animation: fadeAndPulse 2s infinite alternate;
transform: translate(-50%, -50%);
animation-delay: 0.5s;
}
@keyframes fadeAndPulse {
0%, 100% {
opacity: 0;
transform: translate(-50%, -50%) scale(1);
border-color: #a7cbd9;
}
100% {
opacity: 1;
transform: translate(-50%, -50%) scale(1.1);
border-color: #b3ffb3;
}
}
.hidden {
opacity: 0;
transition: opacity 0.3s ease;
}
</style>
</head>
<body>
<div class="title-top">INSTACUT</div>
<div class="content">
<div class="drop-zone" id="dropZone">
<input type="file" id="uploadButton" accept="image/*" />
</div>
<button id="downloadButton" onclick="downloadZip()" style="display: none;">Télécharger les différentes parties</button>
<div id="previewContainer"></div>
</div>
</body>
<script>
document.addEventListener('DOMContentLoaded', function() {
// Selecting elements from the DOM
const content = document.querySelector('.content');
const dropZone = document.getElementById('dropZone');
const uploadButton = document.getElementById('uploadButton');
const previewContainer = document.getElementById('previewContainer');
const downloadButton = document.getElementById('downloadButton');
let zip = new JSZip(); // Initializing JSZip for creating ZIP files
// Initial animation for the page content
setTimeout(function() {
content.style.marginTop = '-8%';
}, 100);
// Event handlers for drag & drop functionality
dropZone.addEventListener('dragover', (e) => {
e.stopPropagation();
e.preventDefault();
e.dataTransfer.dropEffect = 'copy'; // Indicate a copy action on dragover
dropZone.classList.add('over'); // Add styling class for dragover
uploadButton.classList.add('hidden'); // Hide the upload button on dragover
});
dropZone.addEventListener('dragleave', () => {
dropZone.classList.remove('over'); // Remove styling class when drag leaves
uploadButton.classList.remove('hidden'); // Show the upload button again
});
// Handling the drop event
dropZone.addEventListener('drop', (e) => {
e.stopPropagation();
e.preventDefault();
dropZone.classList.remove('over');
uploadButton.classList.remove('hidden');
const files = e.dataTransfer.files;
if (files.length > 0) {
processFile(files[0]); // Process the dropped file
}
});
// Handle file selection from the input
uploadButton.addEventListener('change', function(e) {
if (e.target.files.length > 0) {
processFile(e.target.files[0]); // Process the selected file
}
});
// Function to process the file
function processFile(file) {
partitionImage(file); // Partition the image
downloadButton.style.display = 'none'; // Hide the download button initially
previewContainer.innerHTML = ''; // Clear the preview container
previewContainer.style.display = 'none'; // Hide the preview container initially
zip = new JSZip(); // Reset the zip file
}
// Function to partition the image and set up previews
function partitionImage(file) {
const reader = new FileReader();
reader.onload = function(e) {
const img = new Image();
img.onload = function() {
const partWidth = Math.round(img.width / 3); // Calculate width for each partition
const scaleFactor = 200 / img.height; // Calculate scale factor based on desired height
previewContainer.innerHTML = ''; // Clear existing previews
previewContainer.style.display = 'flex'; // Display the container as flex
previewContainer.style.alignItems = 'center';
previewContainer.style.justifyContent = 'center';
// Loop through each partition
for (let i = 0; i < 3; i++) {
if (i > 0) {
// Add a spacer div for margin between previews
const spacer = document.createElement('div');
spacer.style.width = '10px'; // Set spacer width
previewContainer.appendChild(spacer);
}
const canvas = document.createElement('canvas');
const ctx = canvas.getContext('2d');
canvas.width = partWidth; // Set canvas width to partition width
canvas.height = img.height; // Set canvas height to image height
// Draw the image partition on the canvas
ctx.drawImage(img, partWidth * i, 0, partWidth, img.height, 0, 0, partWidth, img.height);
// Convert canvas to an image for preview
const dataURL = canvas.toDataURL();
const previewImg = new Image();
previewImg.src = dataURL;
previewImg.style.height = '200px'; // Set height for preview
previewImg.style.width = `${partWidth * scaleFactor}px`; // Scale width to maintain aspect ratio
previewContainer.appendChild(previewImg); // Add preview image to container
// Add the canvas content to the ZIP file
canvas.toBlob(function(blob) {
zip.file(`partition_${i + 1}.png`, blob);
}, 'image/png');
}
downloadButton.style.display = 'inline-block'; // Show download button after processing
};
img.src = e.target.result; // Read the file as an image source
};
reader.readAsDataURL(file);
}
// Function to download the ZIP file
function downloadZip() {
zip.generateAsync({type: "blob"})
.then(function(content) {
saveAs(content, "partitions.zip"); // Trigger the download of the ZIP file
});
}
// Event listener for download button
downloadButton.addEventListener('click', downloadZip);
// Event listener for window scroll
window.addEventListener('scroll', function() {
// Calculate the scroll percentage relative to the window height
let scrollPercentage = window.scrollY / window.innerHeight;
// Dynamically adjust the top margin of the content based on the scroll percentage
let newMarginTop = -8 - (scrollPercentage * 12);
newMarginTop = Math.max(-20, Math.min(-3, newMarginTop));
// Apply the calculated top margin to the content element
content.style.marginTop = newMarginTop + '%';
});
});
</script>
</body>
</html>