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| 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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 | 'use client' // Stick-on ArUco marker sheet — the "mark an abacus you already own" output of // /create/abacus. Lifted from the former /create/vision-markers page so both // abacus-making paths (3D print vs. paper markers) live on one surface. Prints // the four corner markers (IDs 0-3) the app's vision pipeline rectifies against // (lib/vision/arucoDetection.ts). The `columnCount` is what the camera read-back // warps to — it must match the abacus these markers get stuck onto. import { jsPDF } from 'jspdf' import { useCallback, useEffect, useState } from 'react' import { generateMarkerSVG, getMarkerPositionLabel, loadAruco, MARKER_IDS, } from '@/lib/vision/arucoDetection' import { css } from '../../../../styled-system/css' const MARKER_SIZE_MM = 20 // default marker tile edge, in mm const CYAN_GRADIENT = 'linear-gradient(135deg, #06b6d4 0%, #0891b2 100%)' const PAPER_SIZES = { letter: { width: 215.9, height: 279.4, label: 'US Letter', format: 'letter' as const, }, a4: { width: 210, height: 297, label: 'A4', format: 'a4' as const, }, } as const type PaperSize = keyof typeof PAPER_SIZES // order the corner markers read top-left → top-right → bottom-left → bottom-right const CORNER_ORDER = [ MARKER_IDS.TOP_LEFT, MARKER_IDS.TOP_RIGHT, MARKER_IDS.BOTTOM_LEFT, MARKER_IDS.BOTTOM_RIGHT, ] export interface AbacusMarkerSheetProps { /** Columns on the abacus these markers get attached to — the count the camera * read-back rectifies against. Purely informational copy here. */ columnCount?: number } /** * Printable ArUco corner markers for turning an existing abacus into a * camera-trackable one. PDF for paper printing, SVGs for laser/inlay use. */ export function AbacusMarkerSheet({ columnCount }: AbacusMarkerSheetProps) { const [markerSize, setMarkerSize] = useState(MARKER_SIZE_MM) const [isLibraryLoaded, setIsLibraryLoaded] = useState(false) const [advancedOpen, setAdvancedOpen] = useState(false) // Load js-aruco2 on mount useEffect(() => { loadAruco() .then(() => setIsLibraryLoaded(true)) .catch((err) => console.error('Failed to load ArUco library:', err)) }, []) // Rasterize an SVG marker to a PNG data URL for embedding in the PDF const svgToDataUrl = useCallback((svgString: string): Promise<string> => { return new Promise((resolve) => { const blob = new Blob([svgString], { type: 'image/svg+xml' }) const url = URL.createObjectURL(blob) const img = new Image() img.onload = () => { const canvas = document.createElement('canvas') canvas.width = img.width * 2 // higher resolution canvas.height = img.height * 2 const ctx = canvas.getContext('2d')! ctx.fillStyle = 'white' ctx.fillRect(0, 0, canvas.width, canvas.height) ctx.drawImage(img, 0, 0, canvas.width, canvas.height) URL.revokeObjectURL(url) resolve(canvas.toDataURL('image/png')) } img.src = url }) }, []) // Printable PDF: all four markers on one page at true size const handleDownloadPrintable = useCallback( async (paperSize: PaperSize) => { const paper = PAPER_SIZES[paperSize] const pdf = new jsPDF({ orientation: 'portrait', unit: 'mm', format: paper.format }) const pageWidth = paper.width const pageHeight = paper.height const margin = 20 pdf.setFontSize(20) pdf.setFont('helvetica', 'bold') pdf.text('Abacus Vision Calibration Markers', pageWidth / 2, margin, { align: 'center' }) pdf.setFontSize(10) pdf.setFont('helvetica', 'normal') pdf.text('Cut out and place on abacus corners. Print at 100% scale.', pageWidth / 2, margin + 8, { align: 'center', }) // 2×2 grid of markers const spacing = 15 const gridWidth = markerSize * 2 + spacing const startX = (pageWidth - gridWidth) / 2 const startY = margin + 25 const markerPositions = [ { id: MARKER_IDS.TOP_LEFT, x: startX, y: startY }, { id: MARKER_IDS.TOP_RIGHT, x: startX + markerSize + spacing, y: startY }, { id: MARKER_IDS.BOTTOM_LEFT, x: startX, y: startY + markerSize + spacing + 15 }, { id: MARKER_IDS.BOTTOM_RIGHT, x: startX + markerSize + spacing, y: startY + markerSize + spacing + 15, }, ] for (const { id, x, y } of markerPositions) { const svg = generateMarkerSVG(id, 200) const dataUrl = await svgToDataUrl(svg) pdf.addImage(dataUrl, 'PNG', x, y, markerSize, markerSize) pdf.setFontSize(9) pdf.setFont('helvetica', 'bold') pdf.text(getMarkerPositionLabel(id), x + markerSize / 2, y + markerSize + 5, { align: 'center', }) pdf.setFontSize(7) pdf.setFont('helvetica', 'normal') pdf.text(`ID: ${id}`, x + markerSize / 2, y + markerSize + 9, { align: 'center' }) } const instructionsY = startY + markerSize * 2 + spacing + 40 pdf.setFontSize(10) pdf.setFont('helvetica', 'bold') pdf.text('Instructions:', margin, instructionsY) pdf.setFont('helvetica', 'normal') pdf.setFontSize(9) const instructions = [ '1. Print this page at 100% scale (no scaling/fit to page)', '2. Cut out each marker with a small white border (2-3mm)', '3. Attach to the corresponding corner of your abacus frame', '4. Use adhesive paper or double-sided tape for best results', ] instructions.forEach((text, i) => { pdf.text(text, margin, instructionsY + 6 + i * 5) }) pdf.setFontSize(7) pdf.setTextColor(128) pdf.text(`Marker size: ${markerSize}mm × ${markerSize}mm | abaci.one`, pageWidth / 2, pageHeight - 10, { align: 'center', }) pdf.save(`abacus-vision-markers-${paperSize}.pdf`) }, [markerSize, svgToDataUrl] ) // Individual marker SVG (for laser engraving / inlays) const handleDownloadMarkerSVG = useCallback( (markerId: number) => { const svg = generateMarkerSVG(markerId, markerSize * 10) // 10× for good resolution const blob = new Blob([svg], { type: 'image/svg+xml' }) const url = URL.createObjectURL(blob) const a = document.createElement('a') a.href = url a.download = `aruco-marker-${markerId}-${getMarkerPositionLabel(markerId).toLowerCase().replace(' ', '-')}.svg` document.body.appendChild(a) a.click() document.body.removeChild(a) URL.revokeObjectURL(url) }, [markerSize] ) const handleDownloadAllSVGs = useCallback(() => { for (const id of CORNER_ORDER) { setTimeout(() => handleDownloadMarkerSVG(id), id * 200) // stagger downloads } }, [handleDownloadMarkerSVG]) return ( <div data-component="abacus-marker-sheet" className={css({ display: 'flex', flexDirection: 'column', gap: { base: 4, md: 5 } })} > {/* Primary card: preview + print controls in one cohesive block */} <div data-element="marker-print-card" className={css({ bg: 'bg.surface', borderRadius: '2xl', border: '1px solid', borderColor: 'border.default', p: { base: 5, md: 6 }, display: 'flex', flexDirection: 'column', gap: 5, })} > <div> <h3 className={css({ fontSize: 'xl', fontWeight: 'bold', color: 'text.primary', mb: 1 })}> Print your markers </h3> <p className={css({ fontSize: 'sm', color: 'text.secondary', lineHeight: '1.6' })}> Print all four at 100% scale on sticker paper (or plain paper + double-sided tape) and place one on each corner of your abacus frame. </p> </div> {/* Column-match callout — the one shared parameter that matters here */} {columnCount ? ( <div data-element="marker-column-note" className={css({ display: 'flex', alignItems: 'flex-start', gap: 3, borderLeft: '3px solid', borderColor: 'cyan.500', borderRadius: 'md', px: 4, py: 3, fontSize: 'sm', color: 'text.primary', lineHeight: '1.5', })} style={{ background: 'rgba(6, 182, 212, 0.08)' }} > <span aria-hidden="true" className={css({ fontSize: 'lg', lineHeight: '1' })}> 📷 </span> <span> These read back your <strong>{columnCount}-column</strong> abacus. If your physical abacus has a different number of columns,{' '} <a href="/settings" className={css({ color: 'cyan.600', fontWeight: 'medium', _hover: { textDecoration: 'underline' } })} > update it in Settings </a>{' '} first. </span> </div> ) : null} {/* Marker preview — the four corner tiles (kept on white for ArUco contrast) */} <div data-element="marker-preview" className={css({ display: 'grid', gridTemplateColumns: { base: 'repeat(2, 1fr)', sm: 'repeat(4, 1fr)' }, gap: 3, })} > {!isLibraryLoaded ? CORNER_ORDER.map((id) => ( <div key={id} className={css({ aspectRatio: '1', borderRadius: 'lg', bg: 'bg.canvas', border: '1px solid', borderColor: 'border.default', })} /> )) : CORNER_ORDER.map((id) => ( <div key={id} className={css({ display: 'flex', flexDirection: 'column', alignItems: 'center', gap: 1, })} > <div // trusted, locally-generated ArUco SVG (no user input) dangerouslySetInnerHTML={{ __html: generateMarkerSVG(id, 96) }} className={css({ bg: 'white', p: 2, borderRadius: 'lg', border: '1px solid', borderColor: 'border.default', lineHeight: '0', })} /> <span className={css({ fontSize: 'xs', fontWeight: 'medium', color: 'text.primary' })}> {getMarkerPositionLabel(id)} </span> </div> ))} </div> {/* Controls: size + download */} <div className={css({ display: 'flex', flexWrap: 'wrap', alignItems: 'center', gap: 3, pt: 1, })} > <label className={css({ display: 'inline-flex', alignItems: 'center', gap: 2, fontSize: 'sm', color: 'text.secondary', })} > Marker size <input type="number" data-action="set-marker-size" value={markerSize} onChange={(e) => setMarkerSize(Number(e.target.value))} min={10} max={50} className={css({ width: '64px', px: 2, py: 1, bg: 'bg.canvas', color: 'text.primary', border: '1px solid', borderColor: 'border.default', borderRadius: 'md', fontSize: 'sm', })} /> mm </label> <div className={css({ flex: 1 })} /> {(Object.keys(PAPER_SIZES) as PaperSize[]).map((size) => ( <button key={size} type="button" data-action="download-markers-pdf" onClick={() => handleDownloadPrintable(size)} disabled={!isLibraryLoaded} className={css({ display: 'inline-flex', alignItems: 'center', gap: 2, px: 5, py: '10px', color: 'white', borderRadius: 'lg', fontWeight: 'bold', fontSize: 'sm', border: 'none', cursor: 'pointer', transition: 'all 0.2s', boxShadow: '0 4px 15px rgba(6, 182, 212, 0.3)', _hover: { transform: 'translateY(-1px)' }, _disabled: { opacity: 0.5, cursor: 'not-allowed', transform: 'none' }, })} style={{ background: CYAN_GRADIENT }} > ⬇ Download {PAPER_SIZES[size].label} PDF </button> ))} </div> </div> {/* Placement instructions — subtle, on-theme */} <div data-element="marker-placement-instructions" className={css({ bg: 'bg.surface', borderRadius: '2xl', border: '1px solid', borderColor: 'border.default', borderLeft: '3px solid', borderLeftColor: 'cyan.500', p: { base: 5, md: 6 }, })} > <h3 className={css({ fontSize: 'md', fontWeight: 'bold', mb: 3, color: 'text.primary' })}> For a clean read </h3> <ul className={css({ listStyleType: 'none', display: 'flex', flexDirection: 'column', gap: 2, fontSize: 'sm', color: 'text.secondary', lineHeight: '1.55', })} > <li> <strong className={css({ color: 'text.primary' })}>Print at 100% scale</strong> — turn off "Fit to Page"; exact size matters for detection. </li> <li> <strong className={css({ color: 'text.primary' })}>Leave a white border</strong> — cut with a 2–3mm white margin around each marker. </li> <li> <strong className={css({ color: 'text.primary' })}>Match the corners</strong> — top-left → top-left, and so on around the frame (IDs 0·1·2·3). </li> <li> <strong className={css({ color: 'text.primary' })}>Keep them flat</strong> — flat, unwrinkled markers detect reliably. </li> </ul> </div> {/* Advanced: vector files for laser / inlay (tucked away) */} <div data-element="marker-advanced" className={css({ bg: 'bg.surface', borderRadius: '2xl', border: '1px solid', borderColor: 'border.default', overflow: 'hidden', })} > <button type="button" data-action="toggle-advanced-markers" aria-expanded={advancedOpen} onClick={() => setAdvancedOpen((v) => !v)} className={css({ width: '100%', display: 'flex', alignItems: 'center', justifyContent: 'space-between', px: { base: 5, md: 6 }, py: 4, bg: 'transparent', border: 'none', cursor: 'pointer', fontSize: 'sm', fontWeight: 'semibold', color: 'text.primary', })} > <span>Vector files for laser cutting / inlays</span> <span aria-hidden="true" className={css({ color: 'text.secondary' })}> {advancedOpen ? '▾' : '▸'} </span> </button> {advancedOpen && ( <div className={css({ px: { base: 5, md: 6 }, pb: 5, pt: 1 })}> <p className={css({ fontSize: 'sm', color: 'text.secondary', mb: 4, lineHeight: '1.6' })}> Individual SVGs — an alternative to paper or to the baked-in markers on a 3D-printed frame. </p> <div className={css({ display: 'flex', gap: 2, flexWrap: 'wrap' })}> <button type="button" data-action="download-all-svgs" onClick={handleDownloadAllSVGs} disabled={!isLibraryLoaded} className={neutralBtn} > Download all SVGs </button> {CORNER_ORDER.map((id) => ( <button key={id} type="button" data-action="download-marker-svg" onClick={() => handleDownloadMarkerSVG(id)} disabled={!isLibraryLoaded} className={neutralBtn} > {getMarkerPositionLabel(id)} </button> ))} </div> </div> )} </div> </div> ) } const neutralBtn = css({ px: 3, py: 2, bg: 'bg.canvas', color: 'text.primary', borderRadius: 'lg', fontSize: 'sm', fontWeight: 'medium', border: '1px solid', borderColor: 'border.default', cursor: 'pointer', _hover: { borderColor: 'border.emphasized' }, _disabled: { opacity: 0.5, cursor: 'not-allowed' }, }) |