{% extends "default.html" %}
{% block title %}Picture | gigadata{% endblock %}
{% macro shape_label(x, y, text) %}
    {% if text %}
        <foreignObject height="100%" width="100%" x="{{ x * size[0] }}" y="{{ y * size[1] }}">
            <div class="shape-label">
                {{ text }}
            </div>
        </foreignObject>
    {% endif %}
{% endmacro %}
{% block content %}
    <x-frame style="--width: 768px">
        <h1>{{ resource.title }}</h1>
        <p>{{ resource.description }}</p>
        <p>
            <a href="{{ resource.origin_url }}">Original source</a> |
            <a href="/raw/picture/{{ resource.id }}">View</a> |
            <a href="/raw/picture/{{ resource.id }}" download="GigadataPicture_{{ resource.id }}{{ file_extension }}">Download</a> |
            <a href="/picture/{{ resource.id }}/annotate">Annotate</a>
        </p>
        <div id="annotation-zone">
            <img id="annotation-image" src="/raw/picture/{{ resource.id }}" alt="{{ resource.title }}">
            {% for region in resource.regions %}
                {% if region.json.type == "bbox" %}
                    <svg class="shape-container-viewonly" viewBox="0 0 {{ size[0] }} {{ size[1] }}">
                        <rect x="{{ region.json.shape.x * size[0] }}"
                              y="{{ region.json.shape.y * size[1] }}"
                              width="{{ region.json.shape.w * size[0] }}"
                              height="{{ region.json.shape.h * size[1] }}"
                              fill="none" class="shape-bbox shape"
                        ></rect>
                        {% set centre_x = region.json.shape.x + region.json.shape.w / 2 %}
                        {% set centre_y = region.json.shape.y + region.json.shape.h / 2 %}
                        {{ shape_label(centre_x, centre_y, region.object_id) }}
                    </svg>
                {% elif region.json.type == "polygon" %}
                    <svg class="shape-container-viewonly" viewBox="0 0 {{ size[0] }} {{ size[1] }}">
                        <polygon points="{% for point in region.json.shape %}{{ point.x * size[0] }},{{ point.y * size[1] }} {% endfor %}" fill="none" class="shape-polygon shape"></polygon>
                        {% set top = region.json.shape | sort(attribute='y') | last %}
                        {% set left = region.json.shape | sort(attribute='x') | first %}
                        {% set bottom = region.json.shape | sort(attribute='y') | first %}
                        {% set right = region.json.shape | sort(attribute='x') | last %}
                        {% set centre_x = (left.x + right.x) / 2 %}
                        {% set centre_y = (top.y + bottom.y) / 2 %}
                        {{ shape_label(centre_x, centre_y, region.object_id) }}
                    </svg>
                {% elif region.json.type == "polyline" %}
                    <svg class="shape-container-viewonly" viewBox="0 0 {{ size[0] }} {{ size[1] }}">
                        <polyline points="{% for point in region.json.shape %}{{ point.x * size[0] }},{{ point.y * size[1] }} {% endfor %}" fill="none" class="shape-polyline shape"></polyline>
                        {# Median point #}
                        {% set centre_x = region.json.shape | map(attribute="x") | median %}
                        {% set centre_y = region.json.shape | map(attribute="y") | median %}
                        {{ shape_label(centre_x, centre_y, region.object_id) }}
                    </svg>
                {% elif region.json.type == "point" %}
                    <svg class="shape-container-viewonly" viewBox="0 0 {{ size[0] }} {{ size[1] }}">
                        <circle cx="{{ region.json.shape.x * size[0] }}" cy="{{ region.json.shape.y * size[1] }}" r="0" fill="none" class="shape-point shape"></circle>
                        {{ shape_label(region.json.shape.x, region.json.shape.y, region.object_id) }}
                    </svg>
                {% endif %}
            {% endfor %}
        </div>
        <x-buttonbox>
            <label>
                <input type="checkbox" id="show-shapes" checked>
                Show shapes
            </label>
            <label>
                <input type="checkbox" id="show-objects" checked>
                Show objects
            </label>
        </x-buttonbox>
        <div class="icon-explainer">
            <span>Type:</span>
            <span>{{ resource.nature.id }}</span>
            <span>File format:</span>
            <span>{{ resource.file_format }}</span>
            <span>Size:</span>
            <span>{{ size[0] }}&times;{{ size[1] }}</span>
        </div>
        {% set licences = resource.licences | map(attribute="licence") | list %}
        <x-hbox>
            <small class="picture-licensing-info">
                Available under:
                {% for licence in licences %}
                    <a href="{{ licence.url }}" target="_blank">
                        {{ licence.title }}
                    </a>
                    {% if not loop.last %}, {% endif %}
                {% endfor %}
            </small>
            <x-vbox class="picture-licence-logos">
                {% for licence in licences %}
                    {% if licence.logo_url %}
                        <a href="{{ licence.url }}" target="_blank" tabindex="-1">
                            {# An equivalent link already exists, only one is focusable #}
                            <img src="{{ licence.logo_url }}" alt="{{ licence.title }}" class="licence-logo">
                        </a>
                    {% endif %}
                {% endfor %}
            </x-vbox>
        </x-hbox>
    </x-frame>
{% endblock %}