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from typing import Optional
import streamlit as st
from generate import ttf_to_image
from threading import Thread
from PIL import Image
import os
LOADED_TTF_KEY = "loaded_ttf"
SET_IMG_KEY = "set_img"
OUTPUT_IMG_KEY = "output_img"
# For multithreading toggle (prevent function from running too many time)
process_runnning = False
process_thread = None
def toggle_process(process_running, process_thread, run_process):
if process_runnning:
# Toggle off
process_running = False
st.write("Cancled")
if process_thread: # Kill Thread
process_thread.join()
else:
# Toggle on
process_running = True
process_thread = Thread(target=run_process)
process_thread.start()
def get_ttf(key: str) -> Optional[any]:
if key in st.session_state:
return st.session_state[key]
return None
def get_img(key: str) -> Optional[Image.Image]:
if key in st.session_state:
return st.session_state[key]
return None
def set_img(key: str, img: Image.Image):
st.session_state[key] = img
def ttf_uploader(prefix):
file = st.file_uploader("TTF, OTF", ["ttf", "otf"], key=f"{prefix}-uploader")
if file:
return file
return get_ttf(LOADED_TTF_KEY)
def generate_button(prefix, file_input, version, **kwargs):
col1, col2 = st.columns(2)
with col1:
n_samples = st.slider(
"Number of inference sample",
min_value=1,
max_value=200,
value=20,
key=f"{prefix}-inference-sample",
)
with col2:
ref_char_ids = st.text_area(
"ref_char_ids",
value="1,2,3,4,5,6,7,8",
key=f"{prefix}-ref_char_ids",
)
if st.button("Generate image", key=f"{prefix}-btn"):
with st.spinner(f"⏳ Generating image (5 minutes per n_sample estimated time)"):
image = toggle_process( ttf_to_image(file_input, OUTPUT_IMG_KEY, n_samples, ref_char_ids, version) )
set_img(OUTPUT_IMG_KEY, image.copy())
st.image(image)
test_font = st.text_area(
"test font",
value="กขคง",
key=f"{prefix}-prompt",
)
def generate_tab():
prefix = "ttf2img"
col1, col2 = st.columns(2)
with col1:
sample_choose = st.selectbox(
"Choose Sample", ["Custom"] + [i for i in os.listdir("font_sample/")], key=f"{prefix}-sample_choose"
)
if sample_choose == "Custom":
uploaded_file = ttf_uploader(prefix)
if uploaded_file:
st.write("filename:", uploaded_file.name)
uploaded_file = uploaded_file.getbuffer() # Send file as Buffer
else:
st.write("filename:", sample_choose)
uploaded_file = os.path.join("font_sample", sample_choose)
with col2:
if uploaded_file:
version = st.selectbox(
"Model version", ["TH2TH", "ENG2TH"], key=f"{prefix}-version"
)
generate_button(
prefix, file_input=uploaded_file, version=version
)
def main():
st.set_page_config(layout="wide")
st.title("ThaiVecFont Playground")
generate_tab()
with st.sidebar:
st.header("Latest Output")
output_image = get_img(OUTPUT_IMG_KEY)
if output_image:
st.image(output_image)
else:
st.markdown("No output generated yet")
if __name__ == "__main__":
main() |