transparent splash logo & fix tab widget color glitch (#2256)

firmware/tools/bitmap_tools/bitmap_arr_reverse_decode.py

@@ -0,0 +1,60 @@
+#!/usr/bin/env python3
+
+#
+# Copyright (C) 2015 Jared Boone, ShareBrained Technology, Inc.
+# Copyleft (ɔ) 2024 zxkmm with the GPL license
+#
+# This file is part of PortaPack.
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2, or (at your option)
+# any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; see the file COPYING.  If not, write to
+# the Free Software Foundation, Inc., 51 Franklin Street,
+# Boston, MA 02110-1301, USA.
+#
+
+from PIL import Image
+import numpy as np
+
+bitmap_data = [
+    0x30, 0x00,
+    0x30, 0x00,
+    0x30, 0x00,
+    0x30, 0x00,
+    0x30, 0x00,
+    0x30, 0x00,
+    0xFC, 0x00,
+    0xCE, 0x01,
+    0x86, 0x01,
+    0xFE, 0x01,
+    0x86, 0x31,
+    0x86, 0x49,
+    0xCE, 0x87,
+    0xFC, 0x84,
+    0xFC, 0x4B,
+    0x78, 0x30,
+]
+
+bitmap_size = (16, 16)
+
+image_data = np.zeros((bitmap_size[1], bitmap_size[0]), dtype=np.uint8)
+
+for y in range(bitmap_size[1]):
+    for x in range(bitmap_size[0]):
+        byte_index = (y * bitmap_size[0] + x) // 8
+        bit_index = x % 8
+        # bit_index = 7 - (x % 8)
+        pixel_value = (bitmap_data[byte_index] >> bit_index) & 1
+        image_data[y, x] = pixel_value * 255
+
+image = Image.fromarray(image_data, 'L')
+image.save('decoded.png')