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# image_column.py
import streamlit as st
import utils # Import utils to use the generation function
import time # Import time for unique keys if needed
def render_image_column(st, image_client):
"""Renders the image prompt editing and generation column."""
st.header("🖼️ Image Generation")
if not image_client:
st.warning(
"Together API Key not configured. Cannot generate images.", icon="⚠️")
# Keep the text area visible even if client is missing
# --- Editable Text Area for Image Prompt ---
# This part remains mostly the same
prompt_for_image_area = st.text_area(
"Editable Image Prompt:",
value=st.session_state.get(
"current_image_prompt_text", ""), # Use .get for safety
height=150, # Adjusted height slightly
key="image_prompt_input_area", # Key is crucial for statefulness
help="Edit or enter the prompt for image generation."
)
# Update session state based on text area input (Streamlit does this automatically via key)
# Make sure this state is explicitly updated IF the text area content changes
# Streamlit handles this via the key, but we read it directly when needed.
st.session_state.current_image_prompt_text = prompt_for_image_area
# --- Generate Button ---
is_disabled = (not image_client) or (
len(st.session_state.current_image_prompt_text.strip()) == 0)
if st.button("Generate Image ✨", key="generate_image_main_col", use_container_width=True,
disabled=is_disabled):
prompt_to_use = st.session_state.current_image_prompt_text
if len(prompt_to_use.strip()) > 0: # Double check prompt isn't empty
with st.spinner("Generating image via Together API..."):
image_bytes = utils.generate_image_from_prompt(
image_client, prompt_to_use)
if image_bytes:
# --- MODIFICATION START ---
# Create a dictionary holding the prompt and image bytes
new_image_data = {
"prompt": prompt_to_use,
"image": image_bytes
}
# Prepend the new image data to the list (newest first)
st.session_state.generated_images_list.insert(
0, new_image_data)
# --- MODIFICATION END ---
# No need to set latest_generated_image anymore
# Show success message immediately
st.success("Image generated!")
# Rerun to update the display list below
st.rerun()
else:
st.error("Image generation failed.")
# No need to clear latest_generated_image
else:
st.warning(
"Please enter a prompt in the text area above before generating.", icon="⚠️")
# --- Display Generated Images (Below Button) ---
st.markdown("---") # Add a visual separator
if not st.session_state.generated_images_list:
if image_client and len(st.session_state.current_image_prompt_text.strip()) > 0:
st.markdown(
"Click the 'Generate Image' button above to create an image.")
elif image_client:
st.markdown("Enter a prompt above and click 'Generate Image'.")
# If no client, the warning at the top handles it.
else:
st.subheader("Generated Images")
# Iterate through the list and display each image with its prompt
for index, image_data in enumerate(st.session_state.generated_images_list):
st.image(
image_data["image"],
use_container_width=True
)
# Display the prompt used for this specific image
st.caption(f"Prompt: {image_data['prompt']}")
st.download_button(
label="Download Image 💾",
data=image_data["image"],
# More unique filename
file_name=f"generated_image_{index}_{int(time.time())}.png",
mime="image/png",
# Ensure unique key for each button
key=f"dl_img_{index}_{int(time.time())}",
use_container_width=True
)
st.divider() # Add space between images
# --- Old Display Logic (Commented out / Removed) ---
# if st.session_state.get("latest_generated_image"):
# st.success("Image generated!")
# st.image(st.session_state.latest_generated_image,
# caption="Latest Generated Image",
# use_container_width=True)
# st.download_button(...)
# elif not is_disabled:
# st.markdown(...)
# elif len(...) == 0 and image_client:
# st.markdown(...)
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