html-split-canvas/index.html at master · modelingevolution/html-split-canvas · GitHub

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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>HDR Split Canvas</title>
    <style>
        body {
            margin: 0;
            padding: 20px;
            font-family: Arial, sans-serif;
            background-color: #1a1a1a;
        }
        #container {
            max-width: 1200px;
            margin: 0 auto;
            background-color: #2a2a2a;
            border-radius: 8px;
            padding: 20px;
            box-shadow: 0 2px 20px rgba(0,0,0,0.5);
        }
        canvas {
            display: block;
            width: 100%;
            height: auto;
            border: 1px solid #3a3a3a;
            cursor: crosshair;
            background-color: #1e1e1e;
        }
        #grayscaleBar {
            margin-bottom: 0;
            border-radius: 4px 4px 0 0;
            height: 40px;
        }
        #outputBar {
            margin-bottom: 10px;
            border-radius: 0 0 4px 4px;
            height: 20px;
            border-top: 1px solid #3a3a3a;
        }
        #info {
            margin-top: 10px;
            font-size: 12px;
            color: #aaa;
        }
        #infoBox {
            background-color: #2a2a2a;
            border: 1px solid #3a3a3a;
            border-radius: 4px;
            padding: 10px 15px;
            margin: 10px 0;
            font-size: 13px;
            color: #aaa;
            min-width: 600px;
            font-family: 'Courier New', monospace;
        }
        #infoBox strong {
            color: #00d4ff;
            cursor: text;
            padding: 2px 4px;
            border-radius: 3px;
        }
        #infoBox strong.editable {
            background-color: #3a3a3a;
            outline: 1px solid #00d4ff;
        }
        #infoBox input.inline-edit {
            background-color: #1e1e1e;
            border: none;
            outline: 1px solid #00d4ff;
            color: #fff;
            padding: 2px 4px;
            border-radius: 3px;
            width: 60px;
            font-size: inherit;
            font-weight: bold;
            text-align: right;
            font-family: 'Courier New', monospace;
        }
        #controls {
            margin: 10px 0;
            display: flex;
            gap: 10px;
        }
        #controls button {
            background-color: #3a3a3a;
            color: #aaa;
            border: 1px solid #4a4a4a;
            padding: 8px 16px;
            border-radius: 4px;
            cursor: pointer;
            font-size: 13px;
            transition: all 0.2s;
        }
        #controls button:hover {
            background-color: #4a4a4a;
            color: #00d4ff;
            border-color: #00d4ff;
        }
    </style>
</head>
<body>
    <div id="container">
        <canvas id="grayscaleBar"></canvas>
        <canvas id="outputBar"></canvas>
        <div id="infoBox" style="display: flex; align-items: center; gap: 20px;">
            <span style="display: inline-flex; align-items: center;">
                <span style="color: #888; margin-right: 8px;">Value:</span>
                <strong id="valueDisplay" style="display: inline-block; width: 35px; text-align: right;">--</strong>
            </span>
            <span style="display: inline-flex; align-items: center;">
                <span style="color: #888; margin-right: 8px;">Hex:</span>
                <span style="display: inline-flex; align-items: center; gap: 6px;">
                    <span id="colorBox" style="display: inline-block; width: 20px; height: 20px; border: 1px solid #4a4a4a; border-radius: 3px; background-color: #000;" title="Input color"></span>
                    <span id="outputColorBox" style="display: inline-block; width: 20px; height: 20px; border: 1px solid #4a4a4a; border-radius: 3px; background-color: #000;" title="Output color"></span>
                    <strong id="hexDisplay" style="display: inline-block; width: 70px;">--</strong>
                </span>
            </span>
            <span style="display: inline-flex; align-items: center;">
                <span style="color: #888; margin-right: 8px;">Weight:</span>
                <strong id="weightDisplay" style="display: inline-block; width: 60px; text-align: right;">--</strong>
            </span>
        </div>
        <canvas id="canvas"></canvas>
        <div id="controls">
            <button id="saveBtn">Save to File</button>
            <button id="loadBtn">Load from File</button>
            <input type="file" id="fileInput" accept=".json" style="display: none;">
        </div>
        <div id="info">
            Click to add points | Double-click to remove | Drag to move
        </div>
    </div>
    <script src="hdr-split.js"></script>
</body>
</html>