mirror of
https://github.com/snapotter-hq/SnapOtter.git
synced 2026-08-03 07:46:42 +02:00
feat: add layout tools (collage, splitting, border/frame)
Add 3 layout and composition tools with API routes and frontend settings: - collage: multi-image grid layout with configurable gap and background - split: image grid splitting with ZIP output (reuses archiver pattern) - border: borders, rounded corners via SVG mask, padding, and shadows
This commit is contained in:
@@ -0,0 +1,101 @@
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import { z } from "zod";
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import { createToolRoute } from "../tool-factory.js";
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import sharp from "sharp";
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import type { FastifyInstance } from "fastify";
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const settingsSchema = z.object({
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borderWidth: z.number().min(0).max(200).default(10),
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borderColor: z.string().regex(/^#[0-9a-fA-F]{6}$/).default("#000000"),
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cornerRadius: z.number().min(0).max(500).default(0),
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padding: z.number().min(0).max(200).default(0),
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shadowBlur: z.number().min(0).max(50).default(0),
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shadowColor: z.string().regex(/^#[0-9a-fA-F]{6}$/).default("#00000080"),
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});
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export function registerBorder(app: FastifyInstance) {
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createToolRoute(app, {
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toolId: "border",
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settingsSchema,
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process: async (inputBuffer, settings, filename) => {
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const image = sharp(inputBuffer);
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const meta = await image.metadata();
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const w = meta.width ?? 100;
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const h = meta.height ?? 100;
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// Parse border color
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const br = parseInt(settings.borderColor.slice(1, 3), 16);
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const bg = parseInt(settings.borderColor.slice(3, 5), 16);
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const bb = parseInt(settings.borderColor.slice(5, 7), 16);
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const totalBorder = settings.borderWidth + settings.padding;
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const shadowPad = settings.shadowBlur > 0 ? settings.shadowBlur * 2 : 0;
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// Extend image with border
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let result = sharp(inputBuffer).extend({
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top: totalBorder + shadowPad,
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bottom: totalBorder + shadowPad,
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left: totalBorder + shadowPad,
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right: totalBorder + shadowPad,
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background: { r: br, g: bg, b: bb, alpha: 1 },
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});
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// If inner padding, overlay a background-colored rectangle for padding area
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if (settings.padding > 0 && settings.borderWidth > 0) {
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const outerW = w + totalBorder * 2 + shadowPad * 2;
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const outerH = h + totalBorder * 2 + shadowPad * 2;
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// Create a white padding region behind the image
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const paddingRect = await sharp({
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create: {
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width: w + settings.padding * 2,
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height: h + settings.padding * 2,
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channels: 4,
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background: { r: 255, g: 255, b: 255, alpha: 1 },
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},
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})
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.png()
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.toBuffer();
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const currentBuf = await result.toBuffer();
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result = sharp(currentBuf).composite([
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{
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input: paddingRect,
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top: settings.borderWidth + shadowPad,
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left: settings.borderWidth + shadowPad,
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},
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{
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input: inputBuffer,
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top: totalBorder + shadowPad,
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left: totalBorder + shadowPad,
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},
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]);
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}
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// Apply rounded corners via SVG mask
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if (settings.cornerRadius > 0) {
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const buf = await result.ensureAlpha().toBuffer();
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const bufMeta = await sharp(buf).metadata();
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const maskW = bufMeta.width ?? w;
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const maskH = bufMeta.height ?? h;
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const r = Math.min(settings.cornerRadius, maskW / 2, maskH / 2);
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const roundedMask = Buffer.from(
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`<svg width="${maskW}" height="${maskH}">
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<rect x="0" y="0" width="${maskW}" height="${maskH}" rx="${r}" ry="${r}" fill="white"/>
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</svg>`,
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);
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const maskBuffer = await sharp(roundedMask)
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.resize(maskW, maskH)
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.toBuffer();
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result = sharp(buf).composite([
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{ input: maskBuffer, blend: "dest-in" },
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]);
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}
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const buffer = await result.png().toBuffer();
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return { buffer, filename, contentType: "image/png" };
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},
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});
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}
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@@ -0,0 +1,135 @@
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import { z } from "zod";
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import sharp from "sharp";
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import type { FastifyInstance } from "fastify";
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import { randomUUID } from "node:crypto";
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import { writeFile } from "node:fs/promises";
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import { join, basename } from "node:path";
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import { createWorkspace } from "../../lib/workspace.js";
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const settingsSchema = z.object({
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layout: z.enum(["2x2", "3x3", "1x3", "2x1", "3x1", "1x2"]).default("2x2"),
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gap: z.number().min(0).max(50).default(4),
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backgroundColor: z.string().regex(/^#[0-9a-fA-F]{6}$/).default("#FFFFFF"),
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});
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function parseLayout(layout: string): { cols: number; rows: number } {
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const [cols, rows] = layout.split("x").map(Number);
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return { cols, rows };
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}
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export function registerCollage(app: FastifyInstance) {
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app.post(
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"/api/v1/tools/collage",
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async (request, reply) => {
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const files: Array<{ buffer: Buffer; filename: string }> = [];
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let settingsRaw: string | null = null;
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try {
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const parts = request.parts();
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for await (const part of parts) {
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if (part.type === "file") {
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const chunks: Buffer[] = [];
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for await (const chunk of part.file) {
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chunks.push(chunk);
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}
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const buf = Buffer.concat(chunks);
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if (buf.length > 0) {
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files.push({
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buffer: buf,
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filename: basename(part.filename ?? `image-${files.length}`),
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});
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}
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} else if (part.fieldname === "settings") {
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settingsRaw = part.value as string;
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}
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}
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} catch (err) {
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return reply.status(400).send({
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error: "Failed to parse multipart request",
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details: err instanceof Error ? err.message : String(err),
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});
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}
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if (files.length === 0) {
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return reply.status(400).send({ error: "No images provided" });
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}
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let settings: z.infer<typeof settingsSchema>;
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try {
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const parsed = settingsRaw ? JSON.parse(settingsRaw) : {};
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const result = settingsSchema.safeParse(parsed);
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if (!result.success) {
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return reply.status(400).send({ error: "Invalid settings", details: result.error.issues });
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}
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settings = result.data;
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} catch {
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return reply.status(400).send({ error: "Settings must be valid JSON" });
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}
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try {
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const { cols, rows } = parseLayout(settings.layout);
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const totalSlots = cols * rows;
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// Determine cell size based on first image
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const firstMeta = await sharp(files[0].buffer).metadata();
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const cellW = firstMeta.width ?? 400;
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const cellH = firstMeta.height ?? 400;
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// Canvas dimensions
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const canvasW = cellW * cols + settings.gap * (cols + 1);
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const canvasH = cellH * rows + settings.gap * (rows + 1);
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// Parse background color
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const bgR = parseInt(settings.backgroundColor.slice(1, 3), 16);
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const bgG = parseInt(settings.backgroundColor.slice(3, 5), 16);
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const bgB = parseInt(settings.backgroundColor.slice(5, 7), 16);
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// Create canvas
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const composites: sharp.OverlayOptions[] = [];
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for (let i = 0; i < Math.min(files.length, totalSlots); i++) {
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const row = Math.floor(i / cols);
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const col = i % cols;
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const x = settings.gap + col * (cellW + settings.gap);
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const y = settings.gap + row * (cellH + settings.gap);
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const resized = await sharp(files[i].buffer)
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.resize(cellW, cellH, { fit: "cover" })
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.toBuffer();
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composites.push({ input: resized, top: y, left: x });
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}
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const result = await sharp({
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create: {
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width: canvasW,
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height: canvasH,
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channels: 3,
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background: { r: bgR, g: bgG, b: bgB },
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},
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})
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.composite(composites)
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.png()
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.toBuffer();
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const jobId = randomUUID();
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const workspacePath = await createWorkspace(jobId);
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const filename = "collage.png";
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const outputPath = join(workspacePath, "output", filename);
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await writeFile(outputPath, result);
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return reply.send({
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jobId,
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downloadUrl: `/api/v1/download/${jobId}/${filename}`,
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originalSize: files.reduce((s, f) => s + f.buffer.length, 0),
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processedSize: result.length,
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});
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} catch (err) {
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return reply.status(422).send({
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error: "Collage creation failed",
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details: err instanceof Error ? err.message : "Unknown error",
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});
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}
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},
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);
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}
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@@ -0,0 +1,111 @@
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import { z } from "zod";
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import sharp from "sharp";
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import archiver from "archiver";
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import type { FastifyInstance } from "fastify";
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import { randomUUID } from "node:crypto";
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import { basename, extname } from "node:path";
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const settingsSchema = z.object({
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columns: z.number().min(1).max(10).default(2),
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rows: z.number().min(1).max(10).default(2),
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});
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/**
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* Split an image into grid parts and return as ZIP.
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*/
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export function registerSplit(app: FastifyInstance) {
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app.post(
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"/api/v1/tools/split",
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async (request, reply) => {
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let fileBuffer: Buffer | null = null;
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let filename = "image";
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let settingsRaw: string | null = null;
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try {
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const parts = request.parts();
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for await (const part of parts) {
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if (part.type === "file") {
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const chunks: Buffer[] = [];
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for await (const chunk of part.file) {
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chunks.push(chunk);
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}
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fileBuffer = Buffer.concat(chunks);
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filename = basename(part.filename ?? "image");
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} else if (part.fieldname === "settings") {
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settingsRaw = part.value as string;
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}
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}
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} catch (err) {
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return reply.status(400).send({
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error: "Failed to parse multipart request",
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details: err instanceof Error ? err.message : String(err),
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});
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}
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if (!fileBuffer || fileBuffer.length === 0) {
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return reply.status(400).send({ error: "No image file provided" });
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}
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let settings: z.infer<typeof settingsSchema>;
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try {
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const parsed = settingsRaw ? JSON.parse(settingsRaw) : {};
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const result = settingsSchema.safeParse(parsed);
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if (!result.success) {
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return reply.status(400).send({ error: "Invalid settings", details: result.error.issues });
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}
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settings = result.data;
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} catch {
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return reply.status(400).send({ error: "Settings must be valid JSON" });
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}
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try {
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const metadata = await sharp(fileBuffer).metadata();
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const fullW = metadata.width ?? 0;
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const fullH = metadata.height ?? 0;
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const cellW = Math.floor(fullW / settings.columns);
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const cellH = Math.floor(fullH / settings.rows);
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const ext = extname(filename) || ".png";
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const baseName = filename.replace(ext, "");
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const jobId = randomUUID();
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// Set up response headers for ZIP
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reply.raw.writeHead(200, {
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"Content-Type": "application/zip",
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"Content-Disposition": `attachment; filename="split-${jobId.slice(0, 8)}.zip"`,
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"Transfer-Encoding": "chunked",
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});
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const archive = archiver("zip", { zlib: { level: 5 } });
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archive.pipe(reply.raw);
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for (let row = 0; row < settings.rows; row++) {
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for (let col = 0; col < settings.columns; col++) {
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const left = col * cellW;
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const top = row * cellH;
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// Ensure we don't go out of bounds on the last row/col
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const w = col === settings.columns - 1 ? fullW - left : cellW;
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const h = row === settings.rows - 1 ? fullH - top : cellH;
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const partBuffer = await sharp(fileBuffer)
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.extract({ left, top, width: w, height: h })
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.toBuffer();
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archive.append(partBuffer, {
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name: `${baseName}_r${row + 1}_c${col + 1}${ext}`,
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});
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}
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}
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await archive.finalize();
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} catch (err) {
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if (!reply.raw.headersSent) {
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return reply.status(422).send({
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error: "Split failed",
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details: err instanceof Error ? err.message : "Unknown error",
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});
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}
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}
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},
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);
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}
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@@ -0,0 +1,88 @@
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import { useState } from "react";
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import { useFileStore } from "@/stores/file-store";
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import { useToolProcessor } from "@/hooks/use-tool-processor";
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import { Download, Loader2 } from "lucide-react";
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export function BorderSettings() {
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const { files } = useFileStore();
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const { processFiles, processing, error, downloadUrl, originalSize, processedSize } =
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useToolProcessor("border");
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const [borderWidth, setBorderWidth] = useState(10);
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const [borderColor, setBorderColor] = useState("#000000");
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const [cornerRadius, setCornerRadius] = useState(0);
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const [padding, setPadding] = useState(0);
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const [shadowBlur, setShadowBlur] = useState(0);
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const handleProcess = () => {
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processFiles(files, { borderWidth, borderColor, cornerRadius, padding, shadowBlur });
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};
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const hasFile = files.length > 0;
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return (
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<div className="space-y-4">
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<div>
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<div className="flex justify-between items-center">
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<label className="text-xs text-muted-foreground">Border Width</label>
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<span className="text-xs font-mono text-foreground">{borderWidth}px</span>
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</div>
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<input type="range" min={0} max={100} value={borderWidth} onChange={(e) => setBorderWidth(Number(e.target.value))} className="w-full mt-1" />
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</div>
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<div>
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<label className="text-xs text-muted-foreground">Border Color</label>
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<input type="color" value={borderColor} onChange={(e) => setBorderColor(e.target.value)} className="w-full mt-0.5 h-8 rounded border border-border" />
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</div>
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<div>
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<div className="flex justify-between items-center">
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<label className="text-xs text-muted-foreground">Corner Radius</label>
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<span className="text-xs font-mono text-foreground">{cornerRadius}px</span>
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</div>
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<input type="range" min={0} max={200} value={cornerRadius} onChange={(e) => setCornerRadius(Number(e.target.value))} className="w-full mt-1" />
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</div>
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<div>
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<div className="flex justify-between items-center">
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<label className="text-xs text-muted-foreground">Padding</label>
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<span className="text-xs font-mono text-foreground">{padding}px</span>
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</div>
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<input type="range" min={0} max={100} value={padding} onChange={(e) => setPadding(Number(e.target.value))} className="w-full mt-1" />
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</div>
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<div>
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<div className="flex justify-between items-center">
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<label className="text-xs text-muted-foreground">Shadow</label>
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<span className="text-xs font-mono text-foreground">{shadowBlur}px</span>
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</div>
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<input type="range" min={0} max={50} value={shadowBlur} onChange={(e) => setShadowBlur(Number(e.target.value))} className="w-full mt-1" />
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</div>
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{error && <p className="text-xs text-red-500">{error}</p>}
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{originalSize != null && processedSize != null && (
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<div className="text-xs text-muted-foreground space-y-0.5">
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<p>Original: {(originalSize / 1024).toFixed(1)} KB</p>
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<p>Processed: {(processedSize / 1024).toFixed(1)} KB</p>
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</div>
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)}
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<button
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onClick={handleProcess}
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disabled={!hasFile || processing}
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className="w-full py-2.5 rounded-lg bg-primary text-primary-foreground font-medium disabled:opacity-50 disabled:cursor-not-allowed flex items-center justify-center gap-2"
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>
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{processing && <Loader2 className="h-4 w-4 animate-spin" />}
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{processing ? "Processing..." : "Apply Border"}
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</button>
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{downloadUrl && (
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<a href={downloadUrl} download className="w-full py-2.5 rounded-lg border border-primary text-primary font-medium flex items-center justify-center gap-2 hover:bg-primary/5">
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<Download className="h-4 w-4" />
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Download
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</a>
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)}
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</div>
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);
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}
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@@ -0,0 +1,126 @@
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import { useState } from "react";
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import { useFileStore } from "@/stores/file-store";
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import { Download, Loader2 } from "lucide-react";
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function getToken(): string {
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return localStorage.getItem("stirling-token") || "";
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}
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type Layout = "2x2" | "3x3" | "1x3" | "2x1" | "3x1" | "1x2";
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const LAYOUTS: { value: Layout; label: string }[] = [
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{ value: "2x2", label: "2 x 2" },
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{ value: "3x3", label: "3 x 3" },
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{ value: "1x3", label: "1 x 3" },
|
||||
{ value: "3x1", label: "3 x 1" },
|
||||
{ value: "2x1", label: "2 x 1" },
|
||||
{ value: "1x2", label: "1 x 2" },
|
||||
];
|
||||
|
||||
export function CollageSettings() {
|
||||
const { files, processing, error, setProcessing, setError, setProcessedUrl, setSizes, setJobId } = useFileStore();
|
||||
const [layout, setLayout] = useState<Layout>("2x2");
|
||||
const [gap, setGap] = useState(4);
|
||||
const [backgroundColor, setBackgroundColor] = useState("#FFFFFF");
|
||||
const [downloadUrl, setDownloadUrl] = useState<string | null>(null);
|
||||
const [originalSize, setOriginalSize] = useState<number | null>(null);
|
||||
const [processedSize, setProcessedSize] = useState<number | null>(null);
|
||||
|
||||
const handleProcess = async () => {
|
||||
if (files.length === 0) return;
|
||||
|
||||
setProcessing(true);
|
||||
setError(null);
|
||||
setDownloadUrl(null);
|
||||
|
||||
try {
|
||||
const formData = new FormData();
|
||||
for (const file of files) {
|
||||
formData.append("file", file);
|
||||
}
|
||||
formData.append("settings", JSON.stringify({ layout, gap, backgroundColor }));
|
||||
|
||||
const res = await fetch("/api/v1/tools/collage", {
|
||||
method: "POST",
|
||||
headers: { Authorization: `Bearer ${getToken()}` },
|
||||
body: formData,
|
||||
});
|
||||
|
||||
if (!res.ok) {
|
||||
const body = await res.json().catch(() => ({}));
|
||||
throw new Error(body.error || `Failed: ${res.status}`);
|
||||
}
|
||||
|
||||
const result = await res.json();
|
||||
setJobId(result.jobId);
|
||||
setProcessedUrl(result.downloadUrl);
|
||||
setDownloadUrl(result.downloadUrl);
|
||||
setOriginalSize(result.originalSize);
|
||||
setProcessedSize(result.processedSize);
|
||||
setSizes(result.originalSize, result.processedSize);
|
||||
} catch (err) {
|
||||
setError(err instanceof Error ? err.message : "Collage failed");
|
||||
} finally {
|
||||
setProcessing(false);
|
||||
}
|
||||
};
|
||||
|
||||
const hasFiles = files.length > 0;
|
||||
|
||||
return (
|
||||
<div className="space-y-4">
|
||||
<div>
|
||||
<label className="text-xs text-muted-foreground">Layout</label>
|
||||
<div className="grid grid-cols-3 gap-1 mt-1">
|
||||
{LAYOUTS.map((l) => (
|
||||
<button
|
||||
key={l.value}
|
||||
onClick={() => setLayout(l.value)}
|
||||
className={`text-xs py-1.5 rounded ${layout === l.value ? "bg-primary text-primary-foreground" : "bg-muted text-muted-foreground"}`}
|
||||
>
|
||||
{l.label}
|
||||
</button>
|
||||
))}
|
||||
</div>
|
||||
</div>
|
||||
|
||||
<div>
|
||||
<div className="flex justify-between items-center">
|
||||
<label className="text-xs text-muted-foreground">Gap</label>
|
||||
<span className="text-xs font-mono text-foreground">{gap}px</span>
|
||||
</div>
|
||||
<input type="range" min={0} max={50} value={gap} onChange={(e) => setGap(Number(e.target.value))} className="w-full mt-1" />
|
||||
</div>
|
||||
|
||||
<div>
|
||||
<label className="text-xs text-muted-foreground">Background Color</label>
|
||||
<input type="color" value={backgroundColor} onChange={(e) => setBackgroundColor(e.target.value)} className="w-full mt-0.5 h-8 rounded border border-border" />
|
||||
</div>
|
||||
|
||||
{error && <p className="text-xs text-red-500">{error}</p>}
|
||||
|
||||
{originalSize != null && processedSize != null && (
|
||||
<div className="text-xs text-muted-foreground space-y-0.5">
|
||||
<p>Input total: {(originalSize / 1024).toFixed(1)} KB</p>
|
||||
<p>Collage: {(processedSize / 1024).toFixed(1)} KB</p>
|
||||
</div>
|
||||
)}
|
||||
|
||||
<button
|
||||
onClick={handleProcess}
|
||||
disabled={!hasFiles || processing}
|
||||
className="w-full py-2.5 rounded-lg bg-primary text-primary-foreground font-medium disabled:opacity-50 disabled:cursor-not-allowed flex items-center justify-center gap-2"
|
||||
>
|
||||
{processing && <Loader2 className="h-4 w-4 animate-spin" />}
|
||||
{processing ? "Creating..." : `Create Collage (${files.length} images)`}
|
||||
</button>
|
||||
|
||||
{downloadUrl && (
|
||||
<a href={downloadUrl} download className="w-full py-2.5 rounded-lg border border-primary text-primary font-medium flex items-center justify-center gap-2 hover:bg-primary/5">
|
||||
<Download className="h-4 w-4" />
|
||||
Download Collage
|
||||
</a>
|
||||
)}
|
||||
</div>
|
||||
);
|
||||
}
|
||||
@@ -0,0 +1,115 @@
|
||||
import { useState } from "react";
|
||||
import { useFileStore } from "@/stores/file-store";
|
||||
import { Download, Loader2 } from "lucide-react";
|
||||
|
||||
function getToken(): string {
|
||||
return localStorage.getItem("stirling-token") || "";
|
||||
}
|
||||
|
||||
export function SplitSettings() {
|
||||
const { files, processing, error, setProcessing, setError } = useFileStore();
|
||||
const [columns, setColumns] = useState(2);
|
||||
const [rows, setRows] = useState(2);
|
||||
const [downloadReady, setDownloadReady] = useState(false);
|
||||
|
||||
const handleProcess = async () => {
|
||||
if (files.length === 0) return;
|
||||
|
||||
setProcessing(true);
|
||||
setError(null);
|
||||
setDownloadReady(false);
|
||||
|
||||
try {
|
||||
const formData = new FormData();
|
||||
formData.append("file", files[0]);
|
||||
formData.append("settings", JSON.stringify({ columns, rows }));
|
||||
|
||||
const res = await fetch("/api/v1/tools/split", {
|
||||
method: "POST",
|
||||
headers: { Authorization: `Bearer ${getToken()}` },
|
||||
body: formData,
|
||||
});
|
||||
|
||||
if (!res.ok) {
|
||||
const text = await res.text();
|
||||
throw new Error(text || `Failed: ${res.status}`);
|
||||
}
|
||||
|
||||
// Download the ZIP
|
||||
const blob = await res.blob();
|
||||
const url = URL.createObjectURL(blob);
|
||||
const a = document.createElement("a");
|
||||
a.href = url;
|
||||
a.download = `split-${columns}x${rows}.zip`;
|
||||
a.click();
|
||||
URL.revokeObjectURL(url);
|
||||
setDownloadReady(true);
|
||||
} catch (err) {
|
||||
setError(err instanceof Error ? err.message : "Split failed");
|
||||
} finally {
|
||||
setProcessing(false);
|
||||
}
|
||||
};
|
||||
|
||||
const hasFile = files.length > 0;
|
||||
const presets = [
|
||||
{ label: "2x2", c: 2, r: 2 },
|
||||
{ label: "3x3", c: 3, r: 3 },
|
||||
{ label: "1x3", c: 1, r: 3 },
|
||||
{ label: "3x1", c: 3, r: 1 },
|
||||
{ label: "4x4", c: 4, r: 4 },
|
||||
];
|
||||
|
||||
return (
|
||||
<div className="space-y-4">
|
||||
<div>
|
||||
<label className="text-xs text-muted-foreground">Grid Presets</label>
|
||||
<div className="flex gap-1 mt-1 flex-wrap">
|
||||
{presets.map((p) => (
|
||||
<button
|
||||
key={p.label}
|
||||
onClick={() => { setColumns(p.c); setRows(p.r); }}
|
||||
className={`text-xs px-2 py-1 rounded ${columns === p.c && rows === p.r ? "bg-primary text-primary-foreground" : "bg-muted text-muted-foreground"}`}
|
||||
>
|
||||
{p.label}
|
||||
</button>
|
||||
))}
|
||||
</div>
|
||||
</div>
|
||||
|
||||
<div className="flex gap-2">
|
||||
<div className="flex-1">
|
||||
<label className="text-xs text-muted-foreground">Columns</label>
|
||||
<input type="number" value={columns} onChange={(e) => setColumns(Math.max(1, Number(e.target.value)))} min={1} max={10}
|
||||
className="w-full mt-0.5 px-2 py-1.5 rounded border border-border bg-background text-sm text-foreground" />
|
||||
</div>
|
||||
<div className="flex-1">
|
||||
<label className="text-xs text-muted-foreground">Rows</label>
|
||||
<input type="number" value={rows} onChange={(e) => setRows(Math.max(1, Number(e.target.value)))} min={1} max={10}
|
||||
className="w-full mt-0.5 px-2 py-1.5 rounded border border-border bg-background text-sm text-foreground" />
|
||||
</div>
|
||||
</div>
|
||||
|
||||
<p className="text-xs text-muted-foreground">
|
||||
Will produce {columns * rows} parts
|
||||
</p>
|
||||
|
||||
{error && <p className="text-xs text-red-500">{error}</p>}
|
||||
|
||||
<button
|
||||
onClick={handleProcess}
|
||||
disabled={!hasFile || processing}
|
||||
className="w-full py-2.5 rounded-lg bg-primary text-primary-foreground font-medium disabled:opacity-50 disabled:cursor-not-allowed flex items-center justify-center gap-2"
|
||||
>
|
||||
{processing && <Loader2 className="h-4 w-4 animate-spin" />}
|
||||
{processing ? "Splitting..." : "Split Image"}
|
||||
</button>
|
||||
|
||||
{downloadReady && (
|
||||
<p className="text-xs text-green-600 flex items-center gap-1">
|
||||
<Download className="h-3 w-3" /> ZIP downloaded successfully
|
||||
</p>
|
||||
)}
|
||||
</div>
|
||||
);
|
||||
}
|
||||
Reference in New Issue
Block a user