label_printer/flask/templates/image.html

{% extends "base.html" %}

{% block content %}
    <h1>Upload Image</h1>
    <form method="POST" enctype="multipart/form-data">
        <input type="file" name="image">
        <input type="submit" value="Upload">
    </form>

    {% if filename %}
        <h2>Uploaded Image:</h2>
        <img src="{{ url_for('uploaded_file', filename=filename) }}" alt="Uploaded Image" style="max-width:300px;">
        {% if valid %}
        <p style="color: green;">Height: {{ height }} px</p>
        {% else %}
        <p style="color: red;">Height: {{ height }} px</p>
        {% endif %}
    {% endif %}
{% endblock %}