-
Notifications
You must be signed in to change notification settings - Fork 0
/
script.js
217 lines (192 loc) · 8.2 KB
/
script.js
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
var maxLength = calculateMaxAllowedChars();
var key;
let buttonCard;
function calculateMaxAllowedChars() {
const fontSize = window.innerHeight / 6;
const maxHeight = window.innerHeight;
const rows = 5;
const charsPerRow = 10;
const totalChars = rows * charsPerRow;
return totalChars;
}
function updateCharCount(event) {
const contentInput = event.target;
const currentLength = contentInput.value.length;
const remainingChars = maxLength - currentLength;
const charCountMessage = document.getElementById('char-count-message');
if (remainingChars >= 0) {
charCountMessage.textContent = `${remainingChars} characters remaining`;
charCountMessage.classList.remove('exceeded');
} else {
charCountMessage.textContent = `Exceeded by ${Math.abs(remainingChars)} characters`;
charCountMessage.classList.add('exceeded');
}
}
document.getElementById('black-button').addEventListener('click', function() {
var popoverContainer = document.createElement('div');
popoverContainer.id = 'pdf-popover';
popoverContainer.style.position = 'fixed';
popoverContainer.style.top = '50%';
popoverContainer.style.right = '50px';
popoverContainer.style.transform = 'translateY(-50%)';
popoverContainer.style.backgroundColor = 'rgba(255, 255, 255, 0.9)';
popoverContainer.style.padding = '20px';
popoverContainer.style.boxShadow = '0 0 10px rgba(0, 0, 0, 0.1)';
popoverContainer.style.zIndex = '2';
popoverContainer.style.overflowY = 'auto';
popoverContainer.style.maxHeight = '80vh';
popoverContainer.style.width = '480px';
var closeButton = document.createElement('button');
closeButton.textContent = 'Close';
closeButton.style.backgroundColor = '#000';
closeButton.style.color = '#fff';
closeButton.style.border = 'none';
closeButton.style.padding = '8px 15px';
closeButton.style.cursor = 'pointer';
closeButton.style.borderRadius = '2px';
closeButton.style.fontFamily = "'Space Mono', monospace";
closeButton.style.marginTop = '10px';
closeButton.addEventListener('click', function() {
popoverContainer.remove();
});
popoverContainer.appendChild(closeButton);
var pdfViewer = document.createElement('iframe');
pdfViewer.src = 'Aryan_Nath-Writeup.pdf';
pdfViewer.style.width = '100%';
pdfViewer.style.height = '600px';
popoverContainer.appendChild(pdfViewer);
document.body.appendChild(popoverContainer);
});
window.onload = () => {
const contentInput = document.getElementById('content');
contentInput.addEventListener('input', updateCharCount);
updateCharCount({ target: contentInput });
};
async function handleSubmit(event) {
event.preventDefault();
const content = document.getElementById('content').value;
const fontColor = document.getElementById('fontcolor').value;
const bgColor = document.getElementById('bgcolor').value;
await createmyImage(content, fontColor, bgColor);
displaySavedImage();
}
async function createmyImage(content, fontColor, bgColor) {
console.log(content, fontColor, bgColor);
return new Promise((resolve, reject) => {
const canvas = document.createElement('canvas');
canvas.width = window.innerHeight;
canvas.height = window.innerHeight;
const ctx = canvas.getContext('2d');
ctx.fillStyle = bgColor;
ctx.fillRect(0, 0, canvas.width, canvas.height);
const initialFontSize = canvas.width / 6; // Initial font size
let fontSize = initialFontSize; // Adjusted font size
const fontFamily = 'hilbertfont-Regular';
const font = new FontFace('hilbertfont-Regular', `url('./hilbertfont-Regular.ttf')`);
font.load().then(async (loadedFont) => {
document.fonts.add(loadedFont);
await document.fonts.ready;
ctx.fillStyle = fontColor;
let maxWidth = canvas.width - 40;
let maxWordWidth = 0;
const words = content.split(' ');
words.forEach(word => {
const wordWidth = textWidth(word);
if (wordWidth > maxWordWidth) {
maxWordWidth = wordWidth;
}
});
console.log('maxwordwidth', maxWordWidth, 'maxwidth',maxWidth);
if (maxWordWidth > maxWidth) {
fontSize = Math.floor((maxWidth / maxWordWidth) * initialFontSize);
}
ctx.font = `${fontSize}px ${fontFamily}`;
let y = fontSize + 5;
let line = '';
for (let i = 0; i < words.length; i++) {
let testLine = line + words[i] + ' ';
let testWidth = ctx.measureText(testLine).width;
if (testWidth > maxWidth && i > 0) {
let x = (canvas.width - ctx.measureText(line).width) / 2;
ctx.fillText(line, x, y);
line = words[i] + ' ';
y += fontSize + 10;
} else {
line = testLine;
}
}
let x = (canvas.width - ctx.measureText(line).width) / 2;
ctx.fillText(line, x, y);
const imgData = canvas.toDataURL('image/png');
key = 'hilbertImage';
// Save the image data to local storage
localStorage.setItem(key, imgData);
resolve();
}).catch((error) => {
console.error('Failed to load font:', error);
reject(error);
});
});
}
function displaySavedImage() {
const imgData = localStorage.getItem(key);
if (imgData) {
const renderimg = new Event('render');
document.dispatchEvent(renderimg);
const formcard = document.getElementById('form-card');
formcard.remove();
const blackButton = document.getElementById('black-button');
blkbtnstore = blackButton;
const infocard = document.getElementById('button-card');
const pdfpopover = document.getElementById('pdf-popover');
const downloadButton = document.createElement('dwnld-button');
downloadButton.innerHTML = '⬇ Download Image';
downloadButton.style.backgroundColor = '#000';
downloadButton.style.color = '#fff';
downloadButton.style.border = 'none';
downloadButton.style.padding = '7px 7px';
downloadButton.style.cursor = 'pointer';
downloadButton.style.borderRadius = '2px';
downloadButton.style.fontFamily = "'Space Mono', monospace";
downloadButton.style.fontSize = '14px';
downloadButton.style.margin = '10px';
downloadButton.style.boxShadow = '0 0 10px rgba(0, 0, 0, 0.1)';
downloadButton.addEventListener('click', function() {
downloadCanvasAsPNG();
});
const refreshButton = document.createElement('rfresh-button');
refreshButton.innerHTML = 'Refresh';
refreshButton.style.backgroundColor = '#000';
refreshButton.style.color = '#fff';
refreshButton.style.border = 'none';
refreshButton.style.padding = '7px 7px';
refreshButton.style.cursor = 'pointer';
refreshButton.style.borderRadius = '2px';
refreshButton.style.fontFamily = "'Space Mono', monospace";
refreshButton.style.fontSize = '14px';
refreshButton.style.margin = '10px';
refreshButton.style.boxShadow = '0 0 10px rgba(0, 0, 0, 0.1)';
refreshButton.addEventListener('click', function() {
location.reload();
});
blackButton.remove();
infocard.appendChild(downloadButton);
infocard.appendChild(document.createElement('br'));
infocard.appendChild(document.createElement('br'));
infocard.appendChild(refreshButton);
pdfpopover.remove();
document.body.appendChild(buttonCard);
} else {
console.error('No image found in local storage.');
}
}
function downloadCanvasAsPNG() {
const canvas = document.querySelector('canvas');
const dataURL = canvas.toDataURL('image/png');
const link = document.createElement('a');
link.href = dataURL;
link.download = 'name.png';
document.body.appendChild(link);
link.click();
document.body.removeChild(link);
}