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edition.html
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edition.html
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Draw and Erase Text on Canvas</title>
<link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.5.2/css/bootstrap.min.css">
<style>
canvas {
width: 100%;
height: 400px;
border: 1px solid #000;
cursor: crosshair; /* Default cursor */
}
.eraser {
cursor: url('https://upload.wikimedia.org/wikipedia/commons/0/0a/Eraser_icon.png'), auto; /* Custom eraser cursor */
}
</style>
<style>
/* Circle styles */
.circle {
height: 24px;
width: 24px;
border-radius: 50%;
background-color: black;
position: fixed;
top: 0;
left: 0;
pointer-events: none;
z-index: 99999999;
transition: transform 0.1s ease-out;
}
</style>
</head>
<body>
<!-- Circles -->
<div class="circle"></div>
<div class="circle"></div>
<div class="circle"></div>
<div class="circle"></div>
<div class="circle"></div>
<div class="circle"></div>
<div class="circle"></div>
<div class="circle"></div>
<div class="circle"></div>
<div class="circle"></div>
<div class="circle"></div>
<div class="circle"></div>
<div class="circle"></div>
<div class="circle"></div>
<div class="circle"></div>
<div class="circle"></div>
<div class="circle"></div>
<div class="circle"></div>
<div class="circle"></div>
<div class="circle"></div>
<div class="container pt-2">
<div class="mt-2 mb-5">
<input type="color" id="colorPicker" value="#000000" class="form-control" style="width: 100px; display: inline-block;"/>
<button class="btn btn-primary" id="clearCanvas">Clear Canvas</button>
<button class="btn btn-danger" id="eraserMode">Eraser Mode</button>
<button class="btn btn-success" id="downloadCanvas">Download Canvas</button>
</div>
<canvas id="mainCanvas"></canvas>
</div>
<script>
const mainCanvas = document.getElementById('mainCanvas');
const ctx = mainCanvas.getContext('2d');
let drawing = false;
let eraserMode = false;
let currentColor = '#000000'; // Default color
// Resize the canvas to fit the container
function resizeCanvas() {
mainCanvas.width = mainCanvas.offsetWidth;
mainCanvas.height = mainCanvas.offsetHeight;
}
window.addEventListener('resize', resizeCanvas);
resizeCanvas();
// Function to get the mouse or touch position
function getPosition(event) {
const rect = mainCanvas.getBoundingClientRect();
const x = (event.clientX || event.touches[0].clientX) - rect.left;
const y = (event.clientY || event.touches[0].clientY) - rect.top;
return { x, y };
}
// Start drawing or erasing when the mouse or touch is pressed
function startDrawing(event) {
drawing = true;
const { x, y } = getPosition(event);
ctx.beginPath();
ctx.moveTo(x, y);
}
// Draw on the canvas or erase as the mouse moves or touch moves
function draw(event) {
if (drawing) {
const { x, y } = getPosition(event);
if (eraserMode) {
// Erase by clearing a small area
ctx.clearRect(x - 10, y - 10, 20, 20);
} else {
// Set the stroke color and draw
ctx.strokeStyle = currentColor; // Use the selected color
ctx.lineWidth = 5; // Set a line width
ctx.lineTo(x, y);
ctx.stroke();
}
}
event.preventDefault(); // Prevent scrolling when touching the canvas
}
// Stop drawing or erasing when the mouse is released or touch ends
function stopDrawing() {
drawing = false;
ctx.closePath();
}
// Event listeners for mouse interactions
mainCanvas.addEventListener('mousedown', startDrawing);
mainCanvas.addEventListener('mousemove', draw);
mainCanvas.addEventListener('mouseup', stopDrawing);
// Event listeners for touch interactions
mainCanvas.addEventListener('touchstart', (event) => {
startDrawing(event);
});
mainCanvas.addEventListener('touchmove', (event) => {
draw(event);
});
mainCanvas.addEventListener('touchend', stopDrawing);
// Clear the entire canvas
document.getElementById('clearCanvas').addEventListener('click', () => {
ctx.clearRect(0, 0, mainCanvas.width, mainCanvas.height);
});
// Toggle eraser mode
document.getElementById('eraserMode').addEventListener('click', () => {
eraserMode = !eraserMode;
mainCanvas.classList.toggle('eraser', eraserMode);
document.getElementById('eraserMode').textContent = eraserMode ? 'Drawing Mode' : 'Eraser Mode';
});
// Change the current color when the color picker changes
document.getElementById('colorPicker').addEventListener('input', (event) => {
currentColor = event.target.value;
});
// Download the canvas as an image
document.getElementById('downloadCanvas').addEventListener('click', () => {
const link = document.createElement('a');
link.download = 'canvas-drawing.png';
link.href = mainCanvas.toDataURL('image/png');
link.click();
});
</script>
<script>
// Coordinates for the cursor
const coords = { x: 0, y: 0 };
const circles = document.querySelectorAll(".circle");
// Colors for the circles
const colors = [
"#ffb56b", "#fdaf69", "#f89d63", "#f59761", "#ef865e", "#ec805d",
"#e36e5c", "#df685c", "#d5585c", "#d1525c", "#c5415d", "#c03b5d",
"#b22c5e", "#ac265e", "#9c155f", "#950f5f", "#830060", "#7c0060",
"#680060", "#60005f", "#48005f", "#3d005e"
];
// Assign colors and initial position to each circle
circles.forEach(function (circle, index) {
circle.x = 0;
circle.y = 0;
circle.style.backgroundColor = colors[index % colors.length];
});
// Update the coordinates when the mouse moves
window.addEventListener("mousemove", function (e) {
coords.x = e.clientX;
coords.y = e.clientY;
});
// Animation function to move the circles
function animateCircles() {
let x = coords.x;
let y = coords.y;
circles.forEach(function (circle, index) {
// Update the position and scale of each circle
circle.style.left = x - 12 + "px";
circle.style.top = y - 12 + "px";
circle.style.scale = (circles.length - index) / circles.length;
circle.x = x;
circle.y = y;
// Get the next circle in the sequence
const nextCircle = circles[index + 1] || circles[0];
x += (nextCircle.x - x) * 0.3;
y += (nextCircle.y - y) * 0.3;
});
// Repeat the animation
requestAnimationFrame(animateCircles);
}
// Start the animation
animateCircles();
</script>
</body>
</html>