From 4f6910c131cda52b187f2caa42c9cf2ce0885a5d Mon Sep 17 00:00:00 2001 From: Victor Oliveira Date: Sun, 14 Mar 2021 14:14:09 -0300 Subject: [PATCH] Script to generate Marlin TFT Images (#21340) --- buildroot/share/scripts/gen-tft-image.py | 64 ++++++++++++++++++++++++ 1 file changed, 64 insertions(+) create mode 100644 buildroot/share/scripts/gen-tft-image.py diff --git a/buildroot/share/scripts/gen-tft-image.py b/buildroot/share/scripts/gen-tft-image.py new file mode 100644 index 0000000000..d89245fea4 --- /dev/null +++ b/buildroot/share/scripts/gen-tft-image.py @@ -0,0 +1,64 @@ +#!/usr/bin/env python3 +# +# Marlin 3D Printer Firmware +# Copyright (c) 2021 MarlinFirmware [https://github.com/MarlinFirmware/Marlin] +# +# Based on Sprinter and grbl. +# Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm +# +# 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 3 of the License, 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. If not, see . +# + +# Generate Marlin TFT Images from bitmaps/PNG/JPG + +import sys,re,struct +from PIL import Image,ImageDraw + +def image2bin(image, output_file): + if output_file.endswith(('.c', '.cpp')): + f = open(output_file, 'wt') + is_cpp = True + f.write("const uint16_t image[%d] = {\n" % (image.size[1] * image.size[0])) + else: + f = open(output_file, 'wb') + is_cpp = False + pixs = image.load() + for y in range(image.size[1]): + for x in range(image.size[0]): + R = pixs[x, y][0] >> 3 + G = pixs[x, y][1] >> 2 + B = pixs[x, y][2] >> 3 + rgb = (R << 11) | (G << 5) | B + if is_cpp: + strHex = '0x{0:04X}, '.format(rgb) + f.write(strHex) + else: + f.write(struct.pack("B", (rgb & 0xFF))) + f.write(struct.pack("B", (rgb >> 8) & 0xFF)) + if is_cpp: + f.write("\n") + if is_cpp: + f.write("};\n") + f.close() + +if len(sys.argv) <= 2: + print("Utility to export a image in Marlin TFT friendly format.") + print("It will dump a raw bin RGB565 image or create a CPP file with an array of 16 bit image pixels.") + print("Usage: gen-tft-image.py INPUT_IMAGE.(png|bmp|jpg) OUTPUT_FILE.(cpp|bin)") + print("Author: rhapsodyv") + exit(1) + +output_img = sys.argv[2] +img = Image.open(sys.argv[1]) +image2bin(img, output_img)