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| <!DOCTYPE html>
<html lang="en" >
<head>
<meta charset="UTF-8">
<titre>Générateur de texte</titre>
<meta name="viewport" content="width=device-width, initial-scale=1">
<link href="main.css" rel="stylesheet">
</head>
<style>
.row {
width: 100%;
padding: 5px;
display: flex;
flex-direction: row;
flex-wrap: wrap;
justify-content: center;
}
.column {
padding: 0px 10px;
display: flex;
flex-direction: column;
justify-content: center;
}
.input-container {
padding-bottom: 3px;
}
.titre {
font-size: 20px;
}
#text {
width: 200px;
height: 100px;
}
#download-link {
display: none;
}
#save-button {
font-size: 20px;
cursor: pointer;
color: black;
background-color: white;
}
#save-button:hover {
color: white;
background-color: black;
}
#canvas {
max-width: 100%;
height: auto;
}
column
@media(max-width: 400px)
{.column
{text-align: center;
width: 100%;
padding-bottom: 10px;
}}
</style>
<body>
<div class="row">
<div class="titre">
Générateur de Texte
</div>
</div>
<div class="row">
<div class="column">
<div>
Texte à insérer
</div>
<div>
<textarea id="text">
Votre texte
ou chiffres
ICI
</textarea>
</div>
</div>
<div class="column">
<div>
Taille du texte
</div>
<div class="input-container">
<input id="font-size" placeholder="eg: 50" value="50">
</div>
<div>
Espace entre les lignes
</div>
<div class="input-container">
<input id="gap-size" placeholder="eg: 0" value="0">
</div>
<div>
Distance depuis le haut
</div>
<div class="input-container">
<input id="buffer-size" placeholder="e.g.: 200" value="140"/>
</div>
</div>
<div class="column">
<div>
Style d'écriture
</div>
<div class="input-container">
<select id="font-style">
<option value="Times New Roman">Times New Roman</option>
<option value="Times">Times</option>
<option value="Arial">Arial</option>
<option value="Helvetica">Helvetica</option>
<option value="Courier New">Courier New</option>
<option value="Courier">Courier</option>
<option value="Verdana">Verdana</option>
<option value="Georgia">Georgia</option>
<option value="Palatino">Palatino</option>
<option value="Garamond">Garamond</option>
<option value="Bookman">Bookman</option>
<option value="Comic Sans MS">Comic Sans MS</option>
<option value="Trebuchet MS">Trebuchet MS</option>
<option value="Arial Black">Arial Black</option>
<option value="Impact">Impact</option>
</select>
</div>
<div>
Contour
<input id="font-is-outline" type="checkbox"/>
</div>
<div>
Gras
<input id="font-is-bold" type="checkbox"/>
</div>
</div>
<div class="column">
<div>
<button id="save-button">Sauvegarder</button>
</div>
</div>
</div>
<div class="row">
<canvas id="canvas"></canvas>
</div>
<a id="download-link" download="plaque.png"></a>
<script>
const elmTextArea = document.getElementById("text");
const elmCanvas = document.getElementById("canvas");
const ctx = elmCanvas.getContext("2d");
const img = new Image();
function paint() {
elmCanvas.width = img.width;
elmCanvas.height = img.height;
ctx.drawImage(img, 0, 0);
const center = elmCanvas.width / 2;
const color = '#000000';
const fontSize = parseInt(document.getElementById("font-size").value);
const bufferSize = parseInt(document.getElementById("buffer-size").value);
const gapSize = parseInt(document.getElementById("gap-size").value);
const fontStyle = document.getElementById("font-style").value;
const fontIsOutline = document.getElementById("font-is-outline").checked;
const fontWeight = document.getElementById("font-is-bold").checked ? 'bold' : 'normal';
ctx.textAlign = "center";
ctx.font = `${fontWeight} ${fontSize}px ${fontStyle}`;
ctx.lineWidth = 1;
ctx.fillStyle = color;
ctx.strokeStyle = color;
elmTextArea.value.split('\n').forEach((line, i) => {
const yOffset = bufferSize + (i * (gapSize + fontSize));
if (fontIsOutline){
ctx.strokeText(line, center, yOffset);
} else {
ctx.fillText(line, center, yOffset);
}
});
}
img.onload = paint;
img.src = 'plaque.jpg';
document.addEventListener('input', e => {
if (e.target.matches('input,textarea')) {
e.stopPropagation();
paint();
}
});
document.addEventListener('change', e => {
if (e.target.matches('select,input[type=checkbox]')) {
e.stopPropagation();
paint();
}
});
document.getElementById('save-button').addEventListener('click', () => {
var dt = elmCanvas.toDataURL("image/png");
const elmDownload = document.getElementById("download-link");
elmDownload.href = dt;
elmDownload.click();
});
</script>
</body>
</html> |
Sauvegarder l'image d'un <canvas>
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