Improve desktop branding and NSIS assets

apps/desktop/scripts/png_to_bmp.py

@@ -0,0 +1,231 @@
+#!/usr/bin/env python3
+"""
+Utility script to convert a PNG file (non-interlaced, 8-bit RGBA/RGB)
+into a 24-bit BMP with optional letterboxing resize.
+
+The script is intentionally lightweight and relies only on Python's
+standard library so it can run in constrained build environments.
+"""
+
+from __future__ import annotations
+
+import argparse
+import struct
+import sys
+import zlib
+from pathlib import Path
+
+
+PNG_SIGNATURE = b"\x89PNG\r\n\x1a\n"
+
+
+def parse_png(path: Path):
+  data = path.read_bytes()
+  if not data.startswith(PNG_SIGNATURE):
+    raise ValueError("Input is not a PNG file")
+
+  idx = len(PNG_SIGNATURE)
+  width = height = bit_depth = color_type = None
+  compressed = bytearray()
+  interlaced = False
+
+  while idx < len(data):
+    if idx + 8 > len(data):
+      raise ValueError("Corrupted PNG (unexpected EOF)")
+    length = struct.unpack(">I", data[idx : idx + 4])[0]
+    idx += 4
+    chunk_type = data[idx : idx + 4]
+    idx += 4
+    chunk_data = data[idx : idx + length]
+    idx += length
+    crc = data[idx : idx + 4]  # noqa: F841 - crc skipped (validated by reader)
+    idx += 4
+
+    if chunk_type == b"IHDR":
+      width, height, bit_depth, color_type, compression, filter_method, interlace = struct.unpack(
+        ">IIBBBBB", chunk_data
+      )
+      if compression != 0 or filter_method != 0:
+        raise ValueError("Unsupported PNG compression/filter method")
+      interlaced = interlace != 0
+    elif chunk_type == b"IDAT":
+      compressed.extend(chunk_data)
+    elif chunk_type == b"IEND":
+      break
+
+  if interlaced:
+    raise ValueError("Interlaced PNGs are not supported by this script")
+  if bit_depth != 8:
+    raise ValueError(f"Unsupported bit depth: {bit_depth}")
+  if color_type not in (2, 6):
+    raise ValueError(f"Unsupported color type: {color_type}")
+
+  raw = zlib.decompress(bytes(compressed))
+  bytes_per_pixel = 3 if color_type == 2 else 4
+  stride = width * bytes_per_pixel
+  expected = (stride + 1) * height
+  if len(raw) != expected:
+    raise ValueError("Corrupted PNG data")
+
+  # Apply PNG scanline filters
+  image = bytearray(width * height * 4)  # Force RGBA output
+  prev_row = [0] * (stride)
+
+  def paeth(a, b, c):
+    p = a + b - c
+    pa = abs(p - a)
+    pb = abs(p - b)
+    pc = abs(p - c)
+    if pa <= pb and pa <= pc:
+      return a
+    if pb <= pc:
+      return b
+    return c
+
+  out_idx = 0
+  for y in range(height):
+    offset = y * (stride + 1)
+    filter_type = raw[offset]
+    row = bytearray(raw[offset + 1 : offset + 1 + stride])
+    if filter_type == 1:  # Sub
+      for i in range(stride):
+        left = row[i - bytes_per_pixel] if i >= bytes_per_pixel else 0
+        row[i] = (row[i] + left) & 0xFF
+    elif filter_type == 2:  # Up
+      for i in range(stride):
+        row[i] = (row[i] + prev_row[i]) & 0xFF
+    elif filter_type == 3:  # Average
+      for i in range(stride):
+        left = row[i - bytes_per_pixel] if i >= bytes_per_pixel else 0
+        up = prev_row[i]
+        row[i] = (row[i] + ((left + up) >> 1)) & 0xFF
+    elif filter_type == 4:  # Paeth
+      for i in range(stride):
+        left = row[i - bytes_per_pixel] if i >= bytes_per_pixel else 0
+        up = prev_row[i]
+        up_left = prev_row[i - bytes_per_pixel] if i >= bytes_per_pixel else 0
+        row[i] = (row[i] + paeth(left, up, up_left)) & 0xFF
+    elif filter_type != 0:
+      raise ValueError(f"Unsupported PNG filter type: {filter_type}")
+
+    # Convert to RGBA
+    for x in range(width):
+      if color_type == 2:
+        r, g, b = row[x * 3 : x * 3 + 3]
+        a = 255
+      else:
+        r, g, b, a = row[x * 4 : x * 4 + 4]
+      image[out_idx : out_idx + 4] = bytes((r, g, b, a))
+      out_idx += 4
+
+    prev_row = list(row)
+
+  return width, height, image
+
+
+def resize_with_letterbox(image, width, height, target_w, target_h, background):
+  if width == target_w and height == target_h:
+    return image, width, height
+
+  bg_r, bg_g, bg_b = background
+  scale = min(target_w / width, target_h / height)
+  scale = max(scale, 1 / max(width, height))  # avoid zero
+  scaled_w = max(1, int(round(width * scale)))
+  scaled_h = max(1, int(round(height * scale)))
+
+  output = bytearray(target_w * target_h * 4)
+  # Fill background
+  for i in range(0, len(output), 4):
+    output[i : i + 4] = bytes((bg_r, bg_g, bg_b, 255))
+
+  offset_x = (target_w - scaled_w) // 2
+  offset_y = (target_h - scaled_h) // 2
+
+  for y in range(scaled_h):
+    src_y = min(height - 1, int(round(y / scale)))
+    for x in range(scaled_w):
+      src_x = min(width - 1, int(round(x / scale)))
+      src_idx = (src_y * width + src_x) * 4
+      dst_idx = ((y + offset_y) * target_w + (x + offset_x)) * 4
+      output[dst_idx : dst_idx + 4] = image[src_idx : src_idx + 4]
+
+  return output, target_w, target_h
+
+
+def blend_to_rgb(image):
+  rgb = bytearray(len(image) // 4 * 3)
+  for i in range(0, len(image), 4):
+    r, g, b, a = image[i : i + 4]
+    if a == 255:
+      rgb[(i // 4) * 3 : (i // 4) * 3 + 3] = bytes((b, g, r))  # BMP stores BGR
+    else:
+      alpha = a / 255.0
+      bg = (255, 255, 255)
+      rr = int(round(r * alpha + bg[0] * (1 - alpha)))
+      gg = int(round(g * alpha + bg[1] * (1 - alpha)))
+      bb = int(round(b * alpha + bg[2] * (1 - alpha)))
+      rgb[(i // 4) * 3 : (i // 4) * 3 + 3] = bytes((bb, gg, rr))
+  return rgb
+
+
+def write_bmp(path: Path, width: int, height: int, rgb: bytearray):
+  row_stride = (width * 3 + 3) & ~3  # align to 4 bytes
+  padding = row_stride - width * 3
+  pixel_data = bytearray()
+
+  for y in range(height - 1, -1, -1):
+    start = y * width * 3
+    end = start + width * 3
+    pixel_data.extend(rgb[start:end])
+    if padding:
+      pixel_data.extend(b"\0" * padding)
+
+  file_size = 14 + 40 + len(pixel_data)
+  header = struct.pack("<2sIHHI", b"BM", file_size, 0, 0, 14 + 40)
+  dib_header = struct.pack(
+    "<IIIHHIIIIII",
+    40,  # header size
+    width,
+    height,
+    1,  # planes
+    24,  # bits per pixel
+    0,  # compression
+    len(pixel_data),
+    2835,  # horizontal resolution (px/m ~72dpi)
+    2835,  # vertical resolution
+    0,
+    0,
+  )
+
+  path.write_bytes(header + dib_header + pixel_data)
+
+
+def main():
+  parser = argparse.ArgumentParser(description=__doc__)
+  parser.add_argument("input", type=Path)
+  parser.add_argument("output", type=Path)
+  parser.add_argument("--width", type=int, help="Target width (px)")
+  parser.add_argument("--height", type=int, help="Target height (px)")
+  parser.add_argument(
+    "--background",
+    type=str,
+    default="FFFFFF",
+    help="Background hex color used for transparent pixels (default: FFFFFF)",
+  )
+  args = parser.parse_args()
+
+  try:
+    width, height, image = parse_png(args.input)
+    if args.width and args.height:
+      bg = tuple(int(args.background[i : i + 2], 16) for i in (0, 2, 4))
+      image, width, height = resize_with_letterbox(image, width, height, args.width, args.height, bg)
+    rgb = blend_to_rgb(image)
+    write_bmp(args.output, width, height, rgb)
+  except Exception as exc:  # noqa: BLE001
+    print(f"Error: {exc}", file=sys.stderr)
+    sys.exit(1)
+
+
+if __name__ == "__main__":
+  main()
+

apps/desktop/src-tauri/tauri.conf.json

@@ -53,6 +53,9 @@
       "nsis": {
         "displayLanguageSelector": true,
         "installerIcon": "icons/icon.ico",
+        "uninstallerIcon": "icons/icon.ico",
+        "headerImage": "icons/nsis-header.bmp",
+        "sidebarImage": "icons/nsis-sidebar.bmp",
         "installMode": "perMachine",
         "languages": ["PortugueseBR"]
       }

apps/desktop/src/main.tsx

@@ -751,7 +751,7 @@ function App() {
         <DeactivationScreen companyName={companyName} />
       ) : (
       <div className="w-full max-w-[720px] rounded-2xl border border-slate-200 bg-white p-6 shadow-sm">
-        <div className="mb-4 flex justify-center">
+        <div className="mb-6 flex flex-col items-center gap-4 text-center">
           <img
             src={logoSrc}
             alt="Logotipo Raven"
@@ -764,18 +764,20 @@ function App() {
               setLogoSrc(`${appUrl}/raven.png`)
             }}
           />
-        </div>
-        <div className="mb-2 flex items-center justify-between gap-3">
-          <div className="flex items-center gap-3">
-            <span className="flex size-8 items-center justify-center rounded-lg bg-neutral-900 text-white"><GalleryVerticalEnd className="size-4" /></span>
-            <div className="flex flex-col leading-tight">
-              <span className="text-base font-semibold text-neutral-900">Raven</span>
-              <span className="text-xs font-medium text-neutral-500">Portal do Cliente</span>
+          <div className="flex flex-col items-center gap-2">
+            <span className="text-xs uppercase tracking-[0.18em] text-neutral-500">Portal do Cliente</span>
+            <div className="flex items-center gap-3">
+              <span className="flex size-10 items-center justify-center rounded-xl bg-neutral-900 text-white shadow-sm">
+                <GalleryVerticalEnd className="size-5" />
+              </span>
+              <span className="text-2xl font-semibold text-neutral-900">Raven</span>
             </div>
           </div>
-          <StatusBadge status={status} />
+          <div className="flex flex-wrap items-center justify-center gap-3">
+            <h1 className="text-lg font-semibold text-slate-800">Agente Desktop</h1>
+            <StatusBadge status={status} />
+          </div>
         </div>
-        <h1 className="text-base font-semibold text-slate-800">Agente Desktop</h1>
         {error ? <p className="mt-3 rounded-md bg-rose-50 p-2 text-sm text-rose-700">{error}</p> : null}
         {!token ? (
           <div className="mt-4 space-y-3">
@@ -971,14 +973,19 @@ function App() {
   )
 }
 
-function StatusBadge({ status }: { status: string | null }) {
+function StatusBadge({ status, className }: { status: string | null; className?: string }) {
   const s = (status ?? "").toLowerCase()
   const label = s === "online" ? "Online" : s === "offline" ? "Offline" : s === "maintenance" ? "Manutenção" : "Sem status"
   const dot = s === "online" ? "bg-emerald-500" : s === "offline" ? "bg-rose-500" : s === "maintenance" ? "bg-amber-500" : "bg-slate-400"
   const ring = s === "online" ? "bg-emerald-400/30" : s === "offline" ? "bg-rose-400/30" : s === "maintenance" ? "bg-amber-400/30" : "bg-slate-300/30"
   const isOnline = s === "online"
   return (
-    <span className="inline-flex h-8 items-center gap-4 rounded-full border border-slate-200 px-3 text-sm font-semibold">
+    <span
+      className={cn(
+        "inline-flex h-8 items-center gap-3 rounded-full border border-slate-200 bg-white/80 px-3 text-sm font-medium text-neutral-600 shadow-sm",
+        className
+      )}
+    >
       <span className="relative inline-flex items-center">
         <span className={cn("size-2 rounded-full", dot)} />
         {isOnline ? <span className={cn("absolute left-1/2 top-1/2 size-4 -translate-x-1/2 -translate-y-1/2 rounded-full animate-ping [animation-duration:2s]", ring)} /> : null}