From 8db3bead13441a5882d8689dfc6a9f09c82375d9 Mon Sep 17 00:00:00 2001
From: Maze Winther <mazewinther@gmail.com>
Date: Wed, 25 Mar 2026 16:47:22 +0100
Subject: feat: masks, properties refactor, shaders, storage migrations, and
 more

---
 apps/web/src/lib/guides/definitions/grid.tsx | 125 +++++++++++++++++++++++++++
 1 file changed, 125 insertions(+)
 create mode 100644 apps/web/src/lib/guides/definitions/grid.tsx

(limited to 'apps/web/src/lib/guides/definitions/grid.tsx')

diff --git a/apps/web/src/lib/guides/definitions/grid.tsx b/apps/web/src/lib/guides/definitions/grid.tsx
new file mode 100644
index 00000000..0e7a2004
--- /dev/null
+++ b/apps/web/src/lib/guides/definitions/grid.tsx
@@ -0,0 +1,125 @@
+import {
+	GridTableIcon,
+	LayoutThreeColumnIcon,
+	LayoutThreeRowIcon,
+} from "@hugeicons/core-free-icons";
+import { HugeiconsIcon } from "@hugeicons/react";
+import { NumberField } from "@/components/ui/number-field";
+import {
+	GRID_MIN,
+	GRID_MAX,
+	DEFAULT_GRID_CONFIG,
+} from "@/constants/guide-constants";
+import { usePreviewStore } from "@/stores/preview-store";
+import { clampRound } from "@/utils/math";
+import { cn } from "@/utils/ui";
+import type { GuideDefinition } from "@/lib/guides/types";
+
+function GridLines({
+	rows,
+	cols,
+	color,
+}: {
+	rows: number;
+	cols: number;
+	color: string;
+}) {
+	const verticals = Array.from(
+		{ length: cols - 1 },
+		(_, i) => ((i + 1) / cols) * 100,
+	);
+	const horizontals = Array.from(
+		{ length: rows - 1 },
+		(_, i) => ((i + 1) / rows) * 100,
+	);
+
+	return (
+		<>
+			{verticals.map((pct) => (
+				<div
+					key={`v-${pct}`}
+					className={cn("absolute top-0 bottom-0 w-px", color)}
+					style={{ left: `${pct}%` }}
+				/>
+			))}
+			{horizontals.map((pct) => (
+				<div
+					key={`h-${pct}`}
+					className={cn("absolute left-0 right-0 h-px", color)}
+					style={{ top: `${pct}%` }}
+				/>
+			))}
+		</>
+	);
+}
+
+function GridGuidePreview() {
+	return (
+		<div className="relative aspect-video w-full">
+			<GridLines rows={3} cols={4} color="bg-foreground/15" />
+		</div>
+	);
+}
+
+function GridGuideOverlay() {
+	const { rows, cols } = usePreviewStore((s) => s.gridConfig);
+
+	return (
+		<div className="absolute inset-0">
+			<GridLines rows={rows} cols={cols} color="bg-white/35" />
+		</div>
+	);
+}
+
+function GridGuideOptions() {
+	const rows = usePreviewStore((s) => s.gridConfig.rows);
+	const cols = usePreviewStore((s) => s.gridConfig.cols);
+	const setGridConfig = usePreviewStore((s) => s.setGridConfig);
+
+	const clampGridValue = (value: number) =>
+		clampRound({ value, min: GRID_MIN, max: GRID_MAX });
+
+	return (
+		<div className="flex gap-2">
+			<NumberField
+				icon={<HugeiconsIcon icon={LayoutThreeRowIcon} />}
+				value={rows}
+				min={GRID_MIN}
+				max={GRID_MAX}
+				isDefault={rows === DEFAULT_GRID_CONFIG.rows}
+				onReset={() => setGridConfig({ rows: DEFAULT_GRID_CONFIG.rows })}
+				onScrub={(value) => setGridConfig({ rows: clampGridValue(value) })}
+				onChange={(event) => {
+					const parsed = Number.parseInt(event.target.value, 10);
+					if (!Number.isNaN(parsed))
+						setGridConfig({ rows: clampGridValue(parsed) });
+				}}
+				className="flex-1"
+			/>
+			<NumberField
+				icon={<HugeiconsIcon icon={LayoutThreeColumnIcon} />}
+				value={cols}
+				min={GRID_MIN}
+				max={GRID_MAX}
+				isDefault={cols === DEFAULT_GRID_CONFIG.cols}
+				onReset={() => setGridConfig({ cols: DEFAULT_GRID_CONFIG.cols })}
+				onScrub={(value) => setGridConfig({ cols: clampGridValue(value) })}
+				onChange={(event) => {
+					const parsed = Number.parseInt(event.target.value, 10);
+					if (!Number.isNaN(parsed))
+						setGridConfig({ cols: clampGridValue(parsed) });
+				}}
+				className="flex-1"
+			/>
+		</div>
+	);
+}
+
+export const gridGuide = {
+	id: "grid",
+	label: "Grid",
+	renderPreview: () => <GridGuidePreview />,
+	renderTriggerIcon: () => <HugeiconsIcon icon={GridTableIcon} />,
+	renderOverlay: () => <GridGuideOverlay />,
+	renderOptions: () => <GridGuideOptions />,
+} as const satisfies GuideDefinition;
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