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This commit is contained in:
Jose Jimenez
2026-02-12 19:55:15 +01:00
parent d6a85aef2c
commit f97f31a4df
5 changed files with 0 additions and 612 deletions
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6
src/App.css
View File

@@ -394,12 +394,6 @@ body {
min-height: min-content; min-height: min-content;
} }
.preview-inner {
flex: 0 0 auto;
display: flex;
align-items: flex-start;
}
.preview-container svg { .preview-container svg {
border-radius: 12px; border-radius: 12px;
box-shadow: box-shadow:

158
src/index.css
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@@ -1,158 +0,0 @@
* {
margin: 0;
padding: 0;
box-sizing: border-box;
}
body {
font-family:
-apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Oxygen", "Ubuntu",
"Cantarell", "Fira Sans", "Droid Sans", "Helvetica Neue", sans-serif;
-webkit-font-smoothing: antialiased;
-moz-osx-font-smoothing: grayscale;
}
code {
font-family: "Courier New", monospace;
}
/* Utility Classes */
.container {
max-width: 1200px;
margin: 0 auto;
padding: 2rem;
}
.gradient-bg {
background: linear-gradient(135deg, #eff6ff 0%, #e0e7ff 100%);
min-height: 100vh;
}
.card {
background: white;
border-radius: 0.5rem;
box-shadow:
0 4px 6px -1px rgba(0, 0, 0, 0.1),
0 2px 4px -1px rgba(0, 0, 0, 0.06);
padding: 1.5rem;
margin-bottom: 2rem;
}
.title {
font-size: 2.25rem;
font-weight: 700;
color: #1f2937;
margin-bottom: 0.5rem;
}
.subtitle {
font-size: 1rem;
color: #6b7280;
margin-bottom: 2rem;
}
.section-title {
font-size: 1.25rem;
font-weight: 600;
color: #374151;
margin-bottom: 1rem;
}
.textarea {
width: 100%;
min-height: 250px;
padding: 1rem;
border: 2px solid #d1d5db;
border-radius: 0.5rem;
font-family: "Courier New", monospace;
font-size: 0.875rem;
resize: vertical;
transition: border-color 0.2s;
}
.textarea:focus {
outline: none;
border-color: #6366f1;
}
.button-group {
display: flex;
gap: 0.75rem;
margin-top: 1rem;
}
.button {
flex: 1;
padding: 0.75rem 1.5rem;
font-weight: 600;
border: none;
border-radius: 0.5rem;
cursor: pointer;
transition: all 0.2s;
box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}
.button-primary {
background-color: #6366f1;
color: white;
}
.button-primary:hover {
background-color: #4f46e5;
}
.button-secondary {
background-color: #9333ea;
color: white;
}
.button-secondary:hover {
background-color: #7e22ce;
}
.preview-container {
border: 2px solid #e5e7eb;
border-radius: 0.5rem;
background-color: #f9fafb;
padding: 1rem;
overflow: auto;
max-height: 600px;
}
.tip {
margin-top: 1rem;
font-size: 0.875rem;
color: #6b7280;
}
.instructions {
list-style: none;
}
.instruction-item {
display: flex;
align-items: flex-start;
margin-bottom: 0.75rem;
color: #4b5563;
}
.instruction-number {
color: #6366f1;
font-weight: 700;
margin-right: 0.5rem;
flex-shrink: 0;
}
@media (max-width: 768px) {
.container {
padding: 1rem;
}
.title {
font-size: 1.75rem;
}
.button-group {
flex-direction: column;
}
}

11
src/index.js
View File

@@ -1,11 +0,0 @@
import React from "react";
import ReactDOM from "react-dom/client";
import "./index.css";
import App from "./App";
const root = ReactDOM.createRoot(document.getElementById("root"));
root.render(
<React.StrictMode>
<App />
</React.StrictMode>,
);

1
src/main.jsx
View File

@@ -1,6 +1,5 @@
import { StrictMode } from "react"; import { StrictMode } from "react";
import { createRoot } from "react-dom/client"; import { createRoot } from "react-dom/client";
import "./index.css";
import App from "./App.jsx"; import App from "./App.jsx";
createRoot(document.getElementById("root")).render( createRoot(document.getElementById("root")).render(

436
src/standalone.html
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@@ -1,436 +0,0 @@
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Harmonica Tab Generator</title>
<!-- React and ReactDOM from CDN -->
<script crossorigin src="https://unpkg.com/react@18/umd/react.production.min.js"></script>
<script crossorigin src="https://unpkg.com/react-dom@18/umd/react-dom.production.min.js"></script>
<!-- Babel Standalone for JSX -->
<script src="https://unpkg.com/@babel/standalone/babel.min.js"></script>
<style>
* {
margin: 0;
padding: 0;
box-sizing: border-box;
}
body {
font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen',
'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue',
sans-serif;
-webkit-font-smoothing: antialiased;
-moz-osx-font-smoothing: grayscale;
}
.gradient-bg {
background: linear-gradient(135deg, #eff6ff 0%, #e0e7ff 100%);
min-height: 100vh;
}
.container {
max-width: 1200px;
margin: 0 auto;
padding: 2rem;
}
.card {
background: white;
border-radius: 0.5rem;
box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
padding: 1.5rem;
margin-bottom: 2rem;
}
.title {
font-size: 2.25rem;
font-weight: 700;
color: #1f2937;
margin-bottom: 0.5rem;
}
.subtitle {
font-size: 1rem;
color: #6b7280;
margin-bottom: 2rem;
}
.section-title {
font-size: 1.25rem;
font-weight: 600;
color: #374151;
margin-bottom: 1rem;
}
.textarea {
width: 100%;
min-height: 250px;
padding: 1rem;
border: 2px solid #d1d5db;
border-radius: 0.5rem;
font-family: 'Courier New', monospace;
font-size: 0.875rem;
resize: vertical;
transition: border-color 0.2s;
}
.textarea:focus {
outline: none;
border-color: #6366f1;
}
.button-group {
display: flex;
gap: 0.75rem;
margin-top: 1rem;
}
.button {
flex: 1;
padding: 0.75rem 1.5rem;
font-weight: 600;
border: none;
border-radius: 0.5rem;
cursor: pointer;
transition: all 0.2s;
box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}
.button-primary {
background-color: #6366f1;
color: white;
}
.button-primary:hover {
background-color: #4f46e5;
}
.button-secondary {
background-color: #9333ea;
color: white;
}
.button-secondary:hover {
background-color: #7e22ce;
}
.preview-container {
border: 2px solid #e5e7eb;
border-radius: 0.5rem;
background-color: #f9fafb;
padding: 1rem;
overflow: auto;
max-height: 600px;
}
.tip {
margin-top: 1rem;
font-size: 0.875rem;
color: #6b7280;
}
.instructions {
list-style: none;
}
.instruction-item {
display: flex;
align-items: flex-start;
margin-bottom: 0.75rem;
color: #4b5563;
}
.instruction-number {
color: #6366f1;
font-weight: 700;
margin-right: 0.5rem;
flex-shrink: 0;
}
@media (max-width: 768px) {
.container {
padding: 1rem;
}
.title {
font-size: 1.75rem;
}
.button-group {
flex-direction: column;
}
}
</style>
</head>
<body>
<div id="root"></div>
<script type="text/babel">
const { useState, useRef } = React;
const HarmonicaTabGenerator = () => {
const [input, setInput] = useState(` 4 6 -5 5 -4 4 3
6 7 -6 6 -6 6 5
4 4 4 5 5 5 5 5 -5 5 4`);
const svgRef = useRef(null);
// Parse input and add + signs to positive numbers
const parseInput = (text) => {
const lines = text.split('\n');
return lines.map(line => {
// Check if line contains tab notation (numbers with optional minus signs and spaces)
const isTabLine = /^[\s\d\-]+$/.test(line.trim()) && line.trim().length > 0;
let processedContent = line;
// If it's a tab line, add + signs to positive numbers
if (isTabLine) {
processedContent = line.replace(/(\s|^)(\d+)/g, (match, space, number) => {
return space + '+' + number;
});
}
return {
content: processedContent,
isTab: isTabLine
};
});
};
// Calculate layout (columns based on max 10 lines per column)
const calculateLayout = (parsedLines) => {
const tabLines = parsedLines.filter(l => l.isTab);
const maxLinesPerColumn = 10;
const numColumns = Math.ceil(tabLines.length / maxLinesPerColumn);
const columns = [];
let currentIndex = 0;
for (let col = 0; col < numColumns; col++) {
const columnLines = [];
let tabCount = 0;
while (currentIndex < parsedLines.length && tabCount < maxLinesPerColumn) {
const line = parsedLines[currentIndex];
columnLines.push(line);
if (line.isTab) {
tabCount++;
}
currentIndex++;
}
columns.push(columnLines);
}
return columns;
};
const parsedLines = parseInput(input);
const columns = calculateLayout(parsedLines);
// SVG dimensions and styling
const lineHeight = 40;
const fontSize = 28;
const annotationFontSize = 12;
const columnWidth = 400;
const padding = 40;
const columnGap = 60;
const maxLinesInAnyColumn = Math.max(...columns.map(col => {
return col.reduce((sum, line) => {
return sum + (line.isTab ? 1 : 0.5);
}, 0);
}), 1);
const svgWidth = columns.length * columnWidth + (columns.length - 1) * columnGap + padding * 2;
const svgHeight = maxLinesInAnyColumn * lineHeight + padding * 2;
// Export as PNG
const exportAsPNG = () => {
const svgElement = svgRef.current;
const svgData = new XMLSerializer().serializeToString(svgElement);
const canvas = document.createElement('canvas');
const ctx = canvas.getContext('2d');
// Set canvas size (2x for better quality)
canvas.width = svgWidth * 2;
canvas.height = svgHeight * 2;
const img = new Image();
const svgBlob = new Blob([svgData], { type: 'image/svg+xml;charset=utf-8' });
const url = URL.createObjectURL(svgBlob);
img.onload = () => {
ctx.scale(2, 2);
ctx.drawImage(img, 0, 0);
URL.revokeObjectURL(url);
canvas.toBlob((blob) => {
const link = document.createElement('a');
link.download = 'harmonica-tabs.png';
link.href = URL.createObjectURL(blob);
link.click();
});
};
img.src = url;
};
// Export as SVG
const exportAsSVG = () => {
const svgElement = svgRef.current;
const svgData = new XMLSerializer().serializeToString(svgElement);
const blob = new Blob([svgData], { type: 'image/svg+xml;charset=utf-8' });
const link = document.createElement('a');
link.download = 'harmonica-tabs.svg';
link.href = URL.createObjectURL(blob);
link.click();
};
return (
<div className="gradient-bg">
<div className="container">
<h1 className="title">Harmonica Tab Generator</h1>
<p className="subtitle">Create beautiful, readable images of your harmonica tabs</p>
{/* Input Section */}
<div className="card">
<h2 className="section-title">Input Your Tabs</h2>
<textarea
value={input}
onChange={(e) => setInput(e.target.value)}
className="textarea"
placeholder="Enter your harmonica tabs here...
Example:
4 6 -5 5 -4 4 3
6 7 -6 6 -6 6 5"
/>
<div className="button-group">
<button
onClick={exportAsPNG}
className="button button-primary"
>
📥 Download PNG
</button>
<button
onClick={exportAsSVG}
className="button button-secondary"
>
📥 Download SVG
</button>
</div>
<p className="tip">
💡 Tip: Positive numbers will automatically get a + sign. Add text for annotations - they'll appear smaller.
</p>
</div>
{/* Preview Section */}
<div className="card">
<h2 className="section-title">Preview</h2>
<div className="preview-container">
<svg
ref={svgRef}
width={svgWidth}
height={svgHeight}
xmlns="http://www.w3.org/2000/svg"
style={{ background: '#ffffff', display: 'block' }}
>
{/* Background */}
<rect width={svgWidth} height={svgHeight} fill="#ffffff" />
{/* Render columns */}
{columns.map((column, colIndex) => {
let yOffset = padding;
const xOffset = padding + colIndex * (columnWidth + columnGap);
return (
<g key={colIndex}>
{column.map((line, lineIndex) => {
const currentY = yOffset;
if (line.isTab) {
// Render tab line with monospace font
yOffset += lineHeight;
return (
<text
key={lineIndex}
x={xOffset}
y={currentY}
fontFamily="'Courier New', monospace"
fontSize={fontSize}
fontWeight="600"
fill="#1f2937"
letterSpacing="2"
>
{line.content}
</text>
);
} else if (line.content.trim()) {
// Render annotation with smaller font
yOffset += lineHeight * 0.6;
return (
<text
key={lineIndex}
x={xOffset}
y={currentY}
fontFamily="Arial, sans-serif"
fontSize={annotationFontSize}
fontStyle="italic"
fill="#6b7280"
>
{line.content}
</text>
);
}
return null;
})}
</g>
);
})}
</svg>
</div>
</div>
{/* Instructions */}
<div className="card">
<h2 className="section-title">How to Use</h2>
<ul className="instructions">
<li className="instruction-item">
<span className="instruction-number">1.</span>
<span>Enter your harmonica tabs in the input field (numbers with spaces)</span>
</li>
<li className="instruction-item">
<span className="instruction-number">2.</span>
<span>Positive numbers automatically get a + sign, negative numbers keep the - sign</span>
</li>
<li className="instruction-item">
<span className="instruction-number">3.</span>
<span>Add text annotations if needed - they'll appear smaller and italicized</span>
</li>
<li className="instruction-item">
<span className="instruction-number">4.</span>
<span>Preview updates automatically - tabs are split into columns (max 10 lines per column)</span>
</li>
<li className="instruction-item">
<span className="instruction-number">5.</span>
<span>Download as PNG for sharing or SVG for editing</span>
</li>
</ul>
</div>
</div>
</div>
);
};
// Render the app
const root = ReactDOM.createRoot(document.getElementById('root'));
root.render(<HarmonicaTabGenerator />);
</script>
</body>
</html>