Hora de Desenhar
About this app
Um divertido app de desenhar
Hora de Desenhar Cores Terminar Apagar
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Source
<html>
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width,initial-scale=1">
<title>Hora de Desenhar</title>
<meta name="description" content="Um divertido app de desenhar">
<meta name="keywords" content="desenhar, app, colorir">
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.6.0/jquery.min.js"></script>
<link href="https://cdn.jsdelivr.net/npm/bootstrap@5.0.2/dist/css/bootstrap.min.css" rel="stylesheet"
integrity="sha384-EVSTQN3/azprG1Anm3QDgpJLIm9Nao0Yz1ztcQTwFspd3yD65VohhpuuCOmLASjC" crossorigin="anonymous">
<link href="https://stackpath.bootstrapcdn.com/font-awesome/4.7.0/css/font-awesome.min.css" rel="stylesheet">
<script type="text/javascript">
try {
// App Javascript Goes Here. Place your entire script content inside the try block for error handling.
document.addEventListener("DOMContentLoaded", function() {
// Get the canvas element
var canvas = document.getElementById("canvas");
var context = canvas.getContext("2d");
var isDrawing = false;
var color = "#000000";
// Set canvas size
canvas.width = window.innerWidth;
canvas.height = window.innerHeight;
// Function to start drawing
function startDrawing(event) {
isDrawing = true;
context.beginPath();
context.moveTo(event.clientX, event.clientY);
}
// Function to draw
function draw(event) {
if (!isDrawing) return;
context.lineTo(event.clientX, event.clientY);
context.strokeStyle = color;
context.lineWidth = 5;
context.stroke();
}
// Function to stop drawing
function stopDrawing() {
isDrawing = false;
}
// Event listeners for drawing
canvas.addEventListener("mousedown", startDrawing);
canvas.addEventListener("mousemove", draw);
canvas.addEventListener("mouseup", stopDrawing);
canvas.addEventListener("mouseout", stopDrawing);
// Button event listeners
$("#btn-colors").click(function() {
// Show color picker
$("#color-picker").trigger("click");
});
$("#color-picker").change(function() {
// Set the selected color
color = $(this).val();
});
$("#btn-finish").click(function() {
// Save the drawing as an image
var image = canvas.toDataURL("image/png");
var link = document.createElement("a");
link.href = image;
link.download = "my_drawing.png";
link.click();
});
$("#btn-clear").click(function() {
// Clear the canvas
context.clearRect(0, 0, canvas.width, canvas.height);
});
});
} catch (error) {
// This will throw the error to the parent window.
throw error;
}
</script>
<style>
/* App CSS Goes Here */
body {
margin: 0;
padding: 0;
overflow: hidden;
background-color: #f5f5f5;
font-family: 'Arial', sans-serif;
}
#canvas {
position: absolute;
top: 0;
left: 0;
width: 100%;
height: 100%;
cursor: crosshair;
}
#controls {
position: absolute;
top: 20px;
left: 20px;
}
.btn {
margin-bottom: 10px;
}
#color-picker {
display: none;
}
</style>
</head>
<body>
<div id="main-container" class="container">
<canvas id="canvas"></canvas>
<div id="controls">
<button id="btn-colors" class="btn btn-primary"><i class="fa fa-paint-brush"></i> Cores</button>
<button id="btn-finish" class="btn btn-success"><i class="fa fa-check"></i> Terminar</button>
<button id="btn-clear" class="btn btn-danger"><i class="fa fa-trash"></i> Apagar</button>
</div>
<input type="color" id="color-picker">
</div>
</body>
</html>
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