Move app to apps/web-react in pnpm workspace layout

apps/web-react/scripts/scanner/dump-crops.ts

@@ -0,0 +1,93 @@
+/** biome-ignore-all lint/suspicious/noConsole: CLI script output */
+/**
+ * ROI calibration helper: normalize a frame to 1080p, then dump crops
+ * (optionally scaled up) and/or a grid overlay for visual inspection.
+ *
+ * Usage:
+ *   vite-node -c scripts/scanner/vite-node.config.ts scripts/scanner/dump-crops.ts <image> <outdir> grid
+ *   vite-node -c scripts/scanner/vite-node.config.ts scripts/scanner/dump-crops.ts <image> <outdir> x,y,w,h[,scale][:label] ...
+ */
+import { mkdirSync } from "node:fs";
+import { join } from "node:path";
+import { loadOpenCV } from "../../app/features/scanner/core/cv";
+import {
+	cropRoi,
+	matToFrameData,
+	normalizeFrame,
+	toMat,
+} from "../../app/features/scanner/core/image";
+import { readImage, writePng } from "../../app/features/scanner/node/image-io";
+
+const [imagePath, outDir, ...specs] = process.argv.slice(2);
+if (!imagePath || !outDir || specs.length === 0) {
+	console.error(
+		"usage: vite-node -c scripts/scanner/vite-node.config.ts scripts/scanner/dump-crops.ts <image> <outdir> (grid | x,y,w,h[,scale][:label])...",
+	);
+	process.exit(1);
+}
+
+const cv = await loadOpenCV();
+mkdirSync(outDir, { recursive: true });
+
+const src = toMat(await readImage(imagePath));
+const frame = normalizeFrame(src);
+src.delete();
+
+for (const spec of specs) {
+	if (spec === "grid") {
+		const overlay = frame.clone();
+		for (let x = 0; x < overlay.cols; x += 20) {
+			const major = x % 100 === 0;
+			cv.line(
+				overlay,
+				new cv.Point(x, 0),
+				new cv.Point(x, overlay.rows),
+				new cv.Scalar(255, 0, major ? 0 : 255, 255),
+				major ? 2 : 1,
+			);
+		}
+		for (let y = 0; y < overlay.rows; y += 20) {
+			const major = y % 100 === 0;
+			cv.line(
+				overlay,
+				new cv.Point(0, y),
+				new cv.Point(overlay.cols, y),
+				new cv.Scalar(255, 0, major ? 0 : 255, 255),
+				major ? 2 : 1,
+			);
+		}
+		writePng(join(outDir, "grid.png"), matToFrameData(overlay));
+		overlay.delete();
+		continue;
+	}
+	const [rect = "", label] = spec.split(":");
+	const [x, y, w, h, scale = 1] = rect.split(",").map(Number);
+	if ([x, y, w, h].some((v) => !Number.isFinite(v))) {
+		console.error(`bad spec: ${spec}`);
+		continue;
+	}
+	const cx = Math.max(0, Math.min(x!, frame.cols - 1));
+	const cy = Math.max(0, Math.min(y!, frame.rows - 1));
+	const crop = cropRoi(frame, {
+		x: cx,
+		y: cy,
+		w: Math.min(w!, frame.cols - cx),
+		h: Math.min(h!, frame.rows - cy),
+	});
+	const out = new cv.Mat();
+	cv.resize(
+		crop,
+		out,
+		new cv.Size(0, 0),
+		Number(scale),
+		Number(scale),
+		cv.INTER_NEAREST,
+	);
+	const name = label ?? `crop-${x}-${y}-${w}x${h}`;
+	writePng(join(outDir, `${name}.png`), matToFrameData(out));
+	crop.delete();
+	out.delete();
+}
+
+frame.delete();
+console.info(`wrote crops to ${outDir}`);