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24 KiB
24 KiB
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<script src="https://cdn.tailwindcss.com?plugins=forms,container-queries"></script>
<script id="tailwind-config">
tailwind.config = {
darkMode: "class",
theme: {
extend: {
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"on-tertiary": "#ffffff",
"surface-variant": "#e0e3e5",
"on-primary-fixed": "#002019",
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font-variation-settings: 'FILL' 0, 'wght' 400, 'GRAD' 0, 'opsz' 24;
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.step-line { position: absolute; left: 19px; top: 40px; bottom: -20px; width: 2px; background-color: #E2E8F0; }
.last-step-line { display: none; }
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.custom-scrollbar::-webkit-scrollbar-thumb { background: #cbd5e1; border-radius: 4px; }
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</head>
<script>
// Simple interactivity for demonstration
document.querySelectorAll('nav div, nav a').forEach(item => {
item.addEventListener('click', function() {
// Remove active classes from all
document.querySelectorAll('nav div').forEach(d => {
d.classList.remove('text-primary', 'font-bold', 'bg-primary-container/10', 'border-r-4', 'border-primary');
d.classList.add('text-secondary');
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this.classList.add('text-primary', 'font-bold', 'bg-primary-container/10', 'border-r-4', 'border-primary');
this.classList.remove('text-secondary');
}
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});
</html>
image2cpp
GitHub
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Reset page
Image to C++ Converter
Generate monochrome byte arrays for OLED displays on Arduino or Raspberry Pi. All processing happens in your browser.
1
Upload Image File
cloud_upload
Drag and drop images here or Browse
Supports JPG, PNG, BMP, GIF
Or Paste Byte Array
2
Image Configuration
Canvas Size (px)
×
Background Color
White
Black
Transp.
Scaling
Original Size
Scale to Fit
Stretch to Fill
Stretch Horizontally
Stretch Vertically
Dithering Algorithm
Binary (Threshold)
Bayer (Ordered)
Floyd-Steinberg
Atkinson
Threshold (0-255)
128
Image Adjustments
Invert Colors
rotate_right Rotate Image
flip Flip Image
3
Preview
Original
Converted (1-bit)
4
Output Settings
Output Format
Plain bytes
Arduino code
Arduino code (Single Bitmap)
Adafruit GFX Bitmap Font
Identifier / Prefix
Draw Mode
Horizontal - 1 bit per pixel
Vertical - 1 bit per pixel
Horizontal - 2 bytes per pixel (565)
Swap bits in byte
Remove '0x' and commas
play_arrow Generate
content_copy Copy
download .bin
// Generated by image2cpp // 128x64px, myBitmap
const unsigned char myBitmap [] PROGMEM = {
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff,
0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff,
0xff, 0xff, 0x00, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0x00, 0xff, 0xff,
0xff, 0xff, 0x00, 0xff, 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00, 0xff, 0x00, 0xff, 0xff,
0xff, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0x00, 0x00, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0xff,
0xff, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0xff,
0xff, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0x00, 0x00, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0xff,
0xff, 0xff, 0x00, 0xff, 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00, 0xff, 0x00, 0xff, 0xff,
0xff, 0xff, 0x00, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0x00, 0xff, 0xff,
0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff,
0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff
};
info
If the preview looks scrambled on your hardware, try switching the Draw Mode between Horizontal and Vertical.
// Sticky side nav highlight on scroll logic could be added here
</script>