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beta4.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>BETA - Shielding Eyes</title>
<style>
body {
font-family: Arial, sans-serif;
background-color: #121212;
color: #ffffff;
margin: 0;
padding: 10px;
box-sizing: border-box;
}
#instructions {
font-size: 14px;
}
#updates {
font-size: 12px;
padding-top: 12px;
}
.container {
max-width: 512px;
margin: 0 auto;
padding: 16px;
}
h1 {
text-align: center;
margin-bottom: 10px;
font-size: 26px;
}
a {
color: #fffeee;
}
#canvas-container {
display: flex;
justify-content: center;
margin: 8px;
border: 1px solid #ffffff;
max-width: 100%;
overflow: hidden;
}
canvas {
border: 1px solid #ffffff;
max-width: 100%;
height: auto;
}
.controls {
display: flex;
flex-direction: column;
gap: 10px;
margin-bottom: 20px;
}
.button-container {
display: flex;
gap: 10px;
}
button, .button-container label {
background-color: #121212;
color: #ffffff;
border: 2px solid #ffffff;
padding: 10px 20px;
cursor: pointer;
transition: background-color 0.3s;
flex: 1;
text-align: center;
font-size: 14px;
display: flex;
align-items: center;
justify-content: center;
}
.button-container input[type="file"] {
display: none;
}
button:hover, .button-container label:hover {
background-color: #333333;
}
.shield-button {
flex: 1;
padding: 10px;
font-size: 14px;
cursor: pointer;
border: 2px solid #ffffff;
background-color: #121212;
color: #ffffff;
transition: background-color 0.3s;
}
.shield-button:hover {
background-color: #333333;
}
.shield-button.active {
background-color: #444444;
}
#footer {
text-align: center;
font-size: 10px;
}
@media (max-width: 512px) {
h1 {
font-size: 20px;
}
}
</style>
</head>
<body>
<div class="container">
<h1>BETA - Shielding Eyes ◼️◼️👀🛡️</h1>
<p id="instructions">GUIDE:</p>
<div class="button-container">
<label for="image-upload">🖼️ Import Photo</label>
<input type="file" id="image-upload" accept="image/*">
<button id="save-image">Save 🛡️ photo</button>
</div>
<div id="canvas-container">
<canvas id="editor-canvas"></canvas>
</div>
<div class="controls">
<div class="button-container">
<button id="add-dark-censor" class="shield-button">🛡️ Dark shield</button>
<button id="add-light-censor" class="shield-button">💡 Light shield</button>
</div>
</div>
<p id="updates">update_3: Mobile update with pinch to resize/rotate, light bar added.<br>update_2: After clicking "Save photo" on mobile new tab opens where long pressing the image you can save it into your photos app.<br>update_1: All aspect ratios supported now (like 4:3, 16:9, 1:2 etc).</p>
</div>
<div id="footer">Made by Zerodartz, 2024 - Report bugs <a href="https://github.com/zerodartz/shielding-eyes/">on GitHub</a><br>
<a href="https://zerodartz.github.io/shielding-eyes/">Production version</a>
</div>
<script>
const isMobile = /iPhone|iPad|iPod|Android/i.test(navigator.userAgent);
let canvas = document.getElementById('editor-canvas');
let ctx = canvas.getContext('2d');
let image;
let rect = {
x: 140,
y: 170,
w: 250,
h: 100,
rotation: 0,
color: 'black'
};
let isDragging = false;
let isResizing = false;
let isRotating = false;
let startAngle = 0;
let startDistance = 0;
let resizeHandle = '';
function constrain(value, min, max) {
return Math.max(min, Math.min(value, max));
}
function resizeCanvas() {
const container = document.getElementById('canvas-container');
const containerWidth = container.clientWidth;
const scale = containerWidth / canvas.width;
canvas.style.width = `${containerWidth}px`;
canvas.style.height = `${canvas.height * scale}px`;
}
document.getElementById('image-upload').addEventListener('change', handleImageUpload);
document.getElementById('add-dark-censor').addEventListener('click', () => addCensorBar('black'));
document.getElementById('add-light-censor').addEventListener('click', () => addCensorBar('white'));
document.getElementById('save-image').addEventListener('click', saveImage);
let tempCanvas = document.createElement('canvas');
let tempCtx = tempCanvas.getContext('2d');
canvas.addEventListener('mousedown', handleStart);
canvas.addEventListener('mousemove', handleMove);
canvas.addEventListener('mouseup', handleEnd);
canvas.addEventListener('touchstart', handleStart);
canvas.addEventListener('touchmove', handleMove);
canvas.addEventListener('touchend', handleEnd);
const instructions = document.getElementById('instructions');
if (isMobile) {
instructions.innerHTML = 'GUIDE: After import, tap "Dark/light shield". Drag the bar to move it.<br>Use the bottom-right point to reshape/resize.<br>Use two fingers to pinch for resize and rotate.';
} else {
instructions.innerHTML = 'GUIDE: After import, click "Dark/light shield". Drag the bar to move it.<br>Use the top-right red striped point to rotate and bottom-right point to resize.';
}
function handleImageUpload(e) {
const file = e.target.files[0];
if (!file.type.startsWith('image/')) {
alert('Please upload an image file');
return;
}
const reader = new FileReader();
reader.onload = function(f) {
image = new Image();
image.onload = function() {
let width, height;
if (image.width < image.height) {
width = 512;
height = 512 * (image.height / image.width);
} else {
height = 512;
width = 512 * (image.width / image.height);
}
canvas.width = width;
canvas.height = height;
tempCanvas.width = width;
tempCanvas.height = height;
resizeCanvas();
ctx.drawImage(image, 0, 0, canvas.width, canvas.height);
};
image.src = f.target.result;
};
reader.readAsDataURL(file);
}
function addCensorBar(color) {
rect.color = color;
document.getElementById('add-dark-censor').classList.toggle('active', color === 'black');
document.getElementById('add-light-censor').classList.toggle('active', color === 'white');
redraw();
}
function saveImage() {
redraw(true);
const dataURL = tempCanvas.toDataURL('image/png');
if (isMobile) {
const newTab = window.open();
newTab.document.body.innerHTML = `<img src="${dataURL}" alt="Saved Image" style="width:100%; height:auto;">`;
} else {
const link = document.createElement('a');
link.href = dataURL;
link.download = 'shielded-eyes-pfp.png';
document.body.appendChild(link);
link.click();
document.body.removeChild(link);
}
redraw();
}
function handleStart(e) {
e.preventDefault();
const touches = e.touches ? e.touches : [e];
const { canvasX, canvasY } = getCanvasCoordinates(touches[0].clientX, touches[0].clientY);
if (isMobile) {
if (touches.length === 1) {
if (isInsideRect(canvasX, canvasY)) {
isDragging = true;
} else if (isBottomRightCorner(canvasX, canvasY)) {
isResizing = true;
}
} else if (touches.length === 2) {
const { canvasX: x2, canvasY: y2 } = getCanvasCoordinates(touches[1].clientX, touches[1].clientY);
startAngle = Math.atan2(y2 - canvasY, x2 - canvasX) - rect.rotation;
startDistance = Math.hypot(y2 - canvasY, x2 - canvasX);
isRotating = true;
}
} else {
const handle = getResizeHandle(canvasX, canvasY);
if (handle !== null) {
if (handle === 'rotate') {
isRotating = true;
startAngle = Math.atan2(canvasY - (rect.y + rect.h / 2), canvasX - (rect.x + rect.w / 2)) - rect.rotation;
} else {
isResizing = true;
resizeHandle = handle;
}
} else if (isInsideRect(canvasX, canvasY)) {
isDragging = true;
}
}
}
function handleMove(e) {
e.preventDefault();
const touches = e.touches ? e.touches : [e];
const { canvasX, canvasY } = getCanvasCoordinates(touches[0].clientX, touches[0].clientY);
if (isMobile) {
if (isDragging) {
rect.x = constrain(canvasX - rect.w / 2, 0, canvas.width - rect.w);
rect.y = constrain(canvasY - rect.h / 2, 0, canvas.height - rect.h);
} else if (isRotating && touches.length === 2) {
const { canvasX: x2, canvasY: y2 } = getCanvasCoordinates(touches[1].clientX, touches[1].clientY);
const angle = Math.atan2(y2 - canvasY, x2 - canvasX) - startAngle;
rect.rotation = constrain(angle, -Math.PI / 2 + 0.15, Math.PI / 2 - 0.15);
const distance = Math.hypot(y2 - canvasY, x2 - canvasX);
const scale = distance / startDistance;
rect.w *= scale;
rect.h *= scale;
startDistance = distance;
} else if (isResizing) {
resizeRect(canvasX, canvasY);
}
} else {
if (isDragging) {
rect.x = constrain(canvasX - rect.w / 2, 0, canvas.width - rect.w);
rect.y = constrain(canvasY - rect.h / 2, 0, canvas.height - rect.h);
} else if (isResizing && resizeHandle === 'bottom-right') {
resizeRect(canvasX, canvasY);
} else if (isRotating) {
const angle = Math.atan2(canvasY - (rect.y + rect.h / 2), canvasX - (rect.x + rect.w / 2)) - startAngle;
rect.rotation = constrain(angle, -Math.PI / 2 + 0.15, Math.PI / 2 - 0.15);
}
}
redraw();
}
function handleEnd() {
isDragging = false;
isResizing = false;
isRotating = false;
}
function resizeRect(x, y) {
const centerX = rect.x + rect.w / 2;
const centerY = rect.y + rect.h / 2;
const dx = x - centerX;
const dy = y - centerY;
const angle = Math.atan2(dy, dx) - rect.rotation;
const dist = 2 * Math.sqrt(dx * dx + dy * dy);
let newW = Math.abs(dist * Math.cos(angle));
let newH = Math.abs(dist * Math.sin(angle));
newW = constrain(newW, 30, canvas.width);
newH = constrain(newH, 10, canvas.height);
rect.x = centerX - newW / 2;
rect.y = centerY - newH / 2;
rect.w = newW;
rect.h = newH;
}
function isBottomRightCorner(x, y) {
const handleSize = 20; // Handle size for easier interaction
const cos = Math.cos(rect.rotation);
const sin = Math.sin(rect.rotation);
const centerX = rect.x + rect.w / 2;
const centerY = rect.y + rect.h / 2;
const resizeX = centerX + (rect.w / 2) * cos - (rect.h / 2) * sin;
const resizeY = centerY + (rect.w / 2) * sin + (rect.h / 2) * cos;
return Math.abs(x - resizeX) < handleSize && Math.abs(y - resizeY) < handleSize;
}
function getResizeHandle(x, y) {
const handleSize = 20; // Handle size for easier interaction
const cos = Math.cos(rect.rotation);
const sin = Math.sin(rect.rotation);
const centerX = rect.x + rect.w / 2;
const centerY = rect.y + rect.h / 2;
if (!isMobile) { // Desktop
// Top-right corner for rotation
const rotateX = centerX + (rect.w / 2) * cos - (-rect.h / 2) * sin;
const rotateY = centerY + (rect.w / 2) * sin + (-rect.h / 2) * cos;
if (Math.abs(x - rotateX) < handleSize && Math.abs(y - rotateY) < handleSize) {
canvas.style.cursor = 'crosshair';
return 'rotate';
}
// Bottom-right corner for resizing
const resizeX = centerX + (rect.w / 2) * cos - (rect.h / 2) * sin;
const resizeY = centerY + (rect.w / 2) * sin + (rect.h / 2) * cos;
if (Math.abs(x - resizeX) < handleSize && Math.abs(y - resizeY) < handleSize) {
canvas.style.cursor = 'nwse-resize';
return 'bottom-right';
}
canvas.style.cursor = 'default';
return null;
}
canvas.style.cursor = 'default';
return null;
}
function isInsideRect(x, y) {
const centerX = rect.x + rect.w / 2;
const centerY = rect.y + rect.h / 2;
const dx = x - centerX;
const dy = y - centerY;
const angle = Math.atan2(dy, dx) - rect.rotation;
const dist = Math.sqrt(dx * dx + dy * dy);
return (
Math.abs(dist * Math.cos(angle)) < rect.w / 2 &&
Math.abs(dist * Math.sin(angle)) < rect.h / 2
);
}
function getCanvasCoordinates(clientX, clientY) {
const canvasRect = canvas.getBoundingClientRect();
const scaleX = canvas.width / canvasRect.width;
const scaleY = canvas.height / canvasRect.height;
const canvasX = (clientX - canvasRect.left) * scaleX;
const canvasY = (clientY - canvasRect.top) * scaleY;
return { canvasX, canvasY };
}
function showHandles(visible) {
const display = visible ? 'block' : 'none';
document.querySelectorAll('.corner-point').forEach(point => {
point.style.display = display;
});
}
function redraw(temp = false) {
const context = temp ? tempCtx : ctx;
context.clearRect(0, 0, canvas.width, canvas.height);
if (image) {
context.drawImage(image, 0, 0, canvas.width, canvas.height);
}
context.save();
context.translate(rect.x + rect.w / 2, rect.y + rect.h / 2);
context.rotate(rect.rotation);
context.fillStyle = rect.color;
context.fillRect(-rect.w / 2, -rect.h / 2, rect.w, rect.h);
if (!temp) { // Draw handles only on the main canvas
const handleSize = 16; // Handle size for usability
// Draw rotation handle at the top-right corner (desktop only)
if (!isMobile) {
const rotateX = rect.w / 2;
const rotateY = -rect.h / 2;
context.fillStyle = 'white';
context.beginPath();
context.arc(rotateX, rotateY, handleSize, 0, Math.PI * 2);
context.fill();
context.strokeStyle = 'red';
context.lineWidth = 2;
context.beginPath();
context.arc(rotateX, rotateY, handleSize - 5, 0.2 * Math.PI, 1.8 * Math.PI);
context.stroke();
}
// Draw resize handle at the bottom-right corner (both desktop and mobile)
const resizeX = rect.w / 2;
const resizeY = rect.h / 2;
context.fillStyle = 'white';
context.strokeStyle = 'black';
context.beginPath();
context.arc(resizeX, resizeY, handleSize, 0, Math.PI * 2);
context.fill();
context.stroke();
}
context.restore();
}
// Initial draw
resizeCanvas();
redraw();
</script>
</body>
</html>