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import gradio as gr
import numpy as np
from PIL import Image
import os
# Convert 24-bit RGB to 16-bit RGB565
def rgb_to_rgb565(r, g, b):
return ((r & 0xF8) << 8) | ((g & 0xFC) << 3) | (b >> 3)
# Convert image to RGB565 format
def convert_to_rgb565(image):
image = image.convert("RGB") # Ensure image is in RGB mode
pixels = np.array(image)
height, width, _ = pixels.shape
rgb565_data = []
for y in range(height):
for x in range(width):
r, g, b = pixels[y, x]
rgb565_data.append(rgb_to_rgb565(r, g, b))
return rgb565_data, width, height
# Generate a .c file with RGB565 image data
def generate_c_file(frames, width, height, output_filename="gif_frames.c"):
with open(output_filename, "w") as f:
f.write("#include <stdint.h>\n\n")
f.write(f"const uint16_t gif_width = {width};\n")
f.write(f"const uint16_t gif_height = {height};\n\n")
for i, frame in enumerate(frames):
f.write(f"const uint16_t frame_{i}[] = {{\n")
for j, pixel in enumerate(frame):
f.write(f"0x{pixel:04X}, ")
if (j + 1) % 10 == 0:
f.write("\n")
f.write("};\n\n")
f.write(f"const uint16_t* gif_frames[{len(frames)}] = {{\n")
for i in range(len(frames)):
f.write(f" frame_{i},\n")
f.write("};\n")
# Function to process GIF and return the .c file
def process_gif(gif_file):
gif = Image.open(gif_file)
frames = []
frame_index = 0
while True:
rgb565_data, width, height = convert_to_rgb565(gif)
frames.append(rgb565_data)
frame_index += 1
try:
gif.seek(gif.tell() + 1) # Move to next frame
except EOFError:
break
output_filename = "/tmp/gif_frames.c"
generate_c_file(frames, width, height, output_filename)
return output_filename
# Gradio Interface
def gif_to_c_file(gif_file):
output_file = process_gif(gif_file)
with open(output_file, "r") as file:
return file.read()
iface = gr.Interface(fn=gif_to_c_file,
inputs=gr.File(label="Upload GIF"),
outputs="text",
title="GIF to C File Converter",
description="Upload a GIF to convert it into a C file with RGB565 format for use on LilyGO T-Display S3.")
iface.launch() |