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| import streamlit as st | |
| from fpdf import FPDF | |
| # Set page config | |
| st.set_page_config(page_title="BMI Calculator", page_icon="⚖️", layout="centered") | |
| # Apply custom CSS | |
| st.markdown(""" | |
| <style> | |
| .main { | |
| background-color: #f0f2f6; | |
| } | |
| .stApp { | |
| font-family: 'Arial', sans-serif; | |
| } | |
| .card { | |
| background-color: white; | |
| padding: 2rem; | |
| border-radius: 1rem; | |
| box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1); | |
| } | |
| </style> | |
| """, unsafe_allow_html=True) | |
| # Title | |
| st.markdown("<h1 style='text-align: center; color: #4CAF50;'>⚖️ BMI Calculator</h1>", unsafe_allow_html=True) | |
| st.markdown("<h4 style='text-align: center;'>Calculate your Body Mass Index easily</h4>", unsafe_allow_html=True) | |
| st.markdown("---") | |
| # Card container | |
| with st.container(): | |
| st.markdown("<div class='card'>", unsafe_allow_html=True) | |
| # Patient Information | |
| st.subheader("Patient Information") | |
| patient_name = st.text_input("Name of Patient:") | |
| patient_age = st.number_input("Age:", min_value=0, max_value=120, step=1) | |
| patient_gender = st.selectbox("Gender:", ["Select", "Male", "Female", "Other"]) | |
| patient_notes = st.text_area("Additional Notes:") | |
| st.markdown("---") | |
| # BMI Calculation Section | |
| st.subheader("Body Measurements") | |
| weight = st.number_input("Weight (in kilograms):", min_value=1.0, format="%.2f") | |
| st.markdown("**Height:**") | |
| col1, col2 = st.columns(2) | |
| with col1: | |
| feet = st.number_input("Feet:", min_value=0, format="%i") | |
| with col2: | |
| inches = st.number_input("Inches:", min_value=0, format="%i") | |
| def calculate_bmi(weight, feet, inches): | |
| total_inches = (feet * 12) + inches | |
| height_meters = total_inches * 0.0254 | |
| if height_meters == 0: | |
| return None | |
| bmi = weight / (height_meters ** 2) | |
| return round(bmi, 2) | |
| bmi = calculate_bmi(weight, feet, inches) | |
| if bmi: | |
| st.markdown("---") | |
| st.subheader("Result:") | |
| bmi_status = "" | |
| if bmi < 18.5: | |
| st.success(f"Your BMI is {bmi} — Underweight.") | |
| bmi_status = "Underweight" | |
| elif 18.5 <= bmi < 24.9: | |
| st.success(f"Your BMI is {bmi} — Normal weight. 👍") | |
| bmi_status = "Normal weight" | |
| elif 25 <= bmi < 29.9: | |
| st.warning(f"Your BMI is {bmi} — Overweight.") | |
| bmi_status = "Overweight" | |
| else: | |
| st.error(f"Your BMI is {bmi} — Obese.") | |
| bmi_status = "Obese" | |
| else: | |
| st.info("Please enter your height and weight.") | |
| st.markdown("---") | |
| # Function to generate PDF | |
| def create_pdf(name, age, gender, notes, bmi_value, bmi_status): | |
| pdf = FPDF() | |
| pdf.add_page() | |
| pdf.set_font("Arial", 'B', 16) | |
| pdf.cell(0, 10, "BMI Report", ln=True, align="C") | |
| pdf.ln(10) | |
| pdf.set_font("Arial", '', 12) | |
| pdf.cell(0, 10, f"Patient Name: {name}", ln=True) | |
| pdf.cell(0, 10, f"Age: {age}", ln=True) | |
| pdf.cell(0, 10, f"Gender: {gender}", ln=True) | |
| pdf.cell(0, 10, f"BMI: {bmi_value} ({bmi_status})", ln=True) | |
| pdf.ln(5) | |
| pdf.multi_cell(0, 10, f"Notes: {notes}") | |
| return pdf | |
| # Only show download if BMI is calculated | |
| if bmi and patient_name: | |
| pdf = create_pdf(patient_name, patient_age, patient_gender, patient_notes, bmi, bmi_status) | |
| # Save PDF temporarily in memory | |
| import io | |
| pdf_buffer = io.BytesIO() | |
| pdf.output(pdf_buffer) | |
| pdf_buffer.seek(0) | |
| st.download_button( | |
| label="📄 Download BMI Report as PDF", | |
| data=pdf_buffer, | |
| file_name=f"{patient_name}_BMI_Report.pdf", | |
| mime="application/pdf" | |
| ) | |
| st.markdown("</div>", unsafe_allow_html=True) | |