ElapticOS/spriteeditor.html at main · elapt1c/ElapticOS · GitHub

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
<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>32x32 Sprite Editor</title>
    <style>
        body {
            font-family: sans-serif;
            display: flex;
            flex-direction: column;
            align-items: center;
            margin: 20px;
            background-color: #f4f4f4;
        }
        #app-container {
            display: flex;
            gap: 20px;
        }
        #editor-container {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        #controls {
            display: flex;
            gap: 10px;
            align-items: center;
        }
        #canvas {
            border: 2px solid #333;
            background-color: #fff; /* White background to see transparent pixels */
            cursor: crosshair;
        }
        #output-container {
            margin-top: 20px;
            width: 100%;
        }
        textarea {
            width: 100%;
            height: 200px;
            padding: 10px;
            font-family: monospace;
            resize: none;
        }
        button {
            padding: 8px 12px;
            cursor: pointer;
        }
    </style>
</head>
<body>

    <h1>Sprite Editor (Max 32x32)</h1>

    <div id="app-container">
        <div id="editor-container">
            <div id="controls">
                <label for="size">Grid Size (1-32):</label>
                <input type="number" id="size" value="32" min="1" max="32">
                <button onclick="createGrid()">Update Size</button>
                <label for="colorPicker">Color:</label>
                <input type="color" id="colorPicker" value="#00ff00">
                <button onclick="setTool('pen')">Pen</button>
                <button onclick="setTool('eraser')">Eraser (0x000000)</button>
                <button onclick="fillGrid()">Fill</button>
            </div>
            <canvas id="canvas" width="512" height="512"></canvas>
        </div>
        <div id="output-container">
            <h3>Pixel Data Output</h3>
            <textarea id="output"></textarea>
            <button onclick="generateOutput()">Generate Code</button>
        </div>
    </div>

    <script>
        const canvas = document.getElementById('canvas');
        const ctx = canvas.getContext('2d');
        const sizeInput = document.getElementById('size');
        const colorPicker = document.getElementById('colorPicker');
        const outputArea = document.getElementById('output');
        const MAX_CANVAS_SIZE = 512;

        let gridSize = 32;
        let pixelSize = MAX_CANVAS_SIZE / gridSize;
        let selectedColor = '#00ff00';
        let currentTool = 'pen'; // 'pen' or 'eraser'
        let isDrawing = false;

        // Internal pixel data storage (matches the 0xRRGGBB format)
        let pixelData = [];

        canvas.addEventListener('mousedown', (e) => {
            isDrawing = true;
            drawPixel(e);
        });

        canvas.addEventListener('mousemove', (e) => {
            if (isDrawing) {
                drawPixel(e);
            }
        });

        canvas.addEventListener('mouseup', () => {
            isDrawing = false;
            generateOutput();
        });

        canvas.addEventListener('mouseleave', () => {
            isDrawing = false;
        });

        colorPicker.addEventListener('change', (e) => {
            selectedColor = e.target.value;
            setTool('pen');
        });

        function setTool(tool) {
            currentTool = tool;
        }

        function createGrid() {
            gridSize = parseInt(sizeInput.value);
            if (isNaN(gridSize) || gridSize < 1 || gridSize > 32) {
                alert("Please enter a valid size between 1 and 32.");
                gridSize = 32;
                sizeInput.value = 32;
            }
            pixelSize = MAX_CANVAS_SIZE / gridSize;
            pixelData = new Array(gridSize * gridSize).fill(0x000000); // Initialize with transparency
            drawCanvas();
            generateOutput();
        }

        function drawCanvas() {
            ctx.clearRect(0, 0, MAX_CANVAS_SIZE, MAX_CANVAS_SIZE);
            for (let i = 0; i < pixelData.length; i++) {
                const color = pixelData[i];
                if (color !== 0x000000) {
                    const hexColor = '#' + color.toString(16).padStart(6, '0');
                    const x = (i % gridSize) * pixelSize;
                    const y = Math.floor(i / gridSize) * pixelSize;
                    ctx.fillStyle = hexColor;
                    ctx.fillRect(x, y, pixelSize, pixelSize);
                }
            }
            // Draw grid lines
            ctx.strokeStyle = '#eee';
            for (let i = 0; i <= gridSize; i++) {
                ctx.beginPath();
                ctx.moveTo(i * pixelSize, 0);
                ctx.lineTo(i * pixelSize, MAX_CANVAS_SIZE);
                ctx.stroke();
                ctx.beginPath();
                ctx.moveTo(0, i * pixelSize);
                ctx.lineTo(MAX_CANVAS_SIZE, i * pixelSize);
                ctx.lineTo(MAX_CANVAS_SIZE, i * pixelSize);
                ctx.stroke();
            }
        }

        function drawPixel(event) {
            const rect = canvas.getBoundingClientRect();
            const x = event.clientX - rect.left;
            const y = event.clientY - rect.top;
            const col = Math.floor(x / pixelSize);
            const row = Math.floor(y / pixelSize);

            if (col >= 0 && col < gridSize && row >= 0 && row < gridSize) {
                const index = row * gridSize + col;
                if (currentTool === 'pen') {
                    // Convert hex string from color picker to 0xRRGGBB integer
                    const colorInt = parseInt(selectedColor.substring(1), 16);
                    pixelData[index] = colorInt;
                } else if (currentTool === 'eraser') {
                    pixelData[index] = 0x000000; // Transparency
                }
                drawCanvas();
            }
        }

        function fillGrid() {
            const colorInt = currentTool === 'pen'
                ? parseInt(selectedColor.substring(1), 16)
                : 0x000000;
            pixelData.fill(colorInt);
            drawCanvas();
            generateOutput();
        }

        function generateOutput() {
            const hexArray = pixelData.map(color => `0x${color.toString(16).padStart(6, '0')}`);
            outputArea.value = `[\n    ${hexArray.join(', ')}\n]`;
        }

        // Initialize on load
        createGrid();
    </script>
</body>
</html>