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espresso_frame/server/app/templates/frame_config.html
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tfaour e48ac50ea1 Color/contrast/dithering sliders + before/after render preview
Advanced configuration gains three sliders (PIL ImageEnhance factors
for color/contrast, 0-2, 1=unchanged; a 0-1 dithering strength) applied
to every photo this frame renders. Confirmed the parameter conventions
against a similar project (jwchen119/EPF: ImageEnhance.Color/Contrast,
1.0 baseline) before implementing; dithering strength isn't natively
exposed by PIL's quantize(), so it's implemented by blending the source
toward its own flat/undithered quantization before running Floyd-
Steinberg on the blend -- at 0 there's no quantization error left to
diffuse (exactly the flat result), at 1 it's the original unmodified
behavior, with a smooth continuum between rather than dithering being
an on/off toggle.

image_pipeline.py split into composition (_compose), enhancement
(_enhance), quantization (_quantize), and transpose+pack stages so
render_frame (device bytes) and the new render_preview_png (a normal
viewable PNG, upright logical orientation) share the same pipeline
instead of duplicating it. Named-face overlay label math (face_labels.py)
was already routed through the shared _placement_transform, so it
needed no changes for the new params.

Also added the requested before/after comparison: the Configuration
tab's new Preview card shows the current photo's untouched Immich
preview next to that same photo run through the frame's actual saved
rendering pipeline (two new GET endpoints, /preview/original and
/preview/rendered) -- immediate visual feedback for tuning the palette
and these new sliders. "Refresh preview" re-fetches after saving.

Schema migration v6 adds color_boost/contrast_boost/dither_strength,
defaulting to 1.0/1.0/1.0 -- reproduces the exact previous rendering
until a frame's Configuration tab changes one.

Verified against the live-shaped test database: the migration, sliders
persisting and clamping out-of-range input, both preview endpoints
(real JPEG passthrough / real PNG at correct logical size+orientation),
confirmed dither_strength=0 actually changes the rendered bytes vs.
default, and the standing legacy-device curl suite.
2026-07-22 08:46:22 -04:00

208 lines
11 KiB
HTML

{% extends "app_base.html" %}
{% block title %}{{ frame.name or "Frame" }} · Configuration{% endblock %}
{% block page_title %}{{ frame.name or "Frame " ~ frame.id }}{% endblock %}
{% block tabs %}{% include "_frame_tabs.html" %}{% endblock %}
{% block content %}
<div id="control-banner" class="control-banner" style="display: none;">
<span id="control-holder"></span>
<button type="button" id="take-control" class="btn-inline">Take control</button>
</div>
<div class="layout">
<div class="main-col">
<section class="card">
<h2 class="card-title">Display settings</h2>
<form id="config-form">
<label>Frame name
<input type="text" id="frame_name" maxlength="64" value="{{ frame.name }}">
</label>
<label>Order
<select id="order">
<option value="sequential" {% if frame.order == "sequential" %}selected{% endif %}>Sequential</option>
<option value="shuffle" {% if frame.order == "shuffle" %}selected{% endif %}>Shuffle</option>
</select>
</label>
<label>Orientation
<select id="orientation">
<option value="landscape" {% if frame.orientation == "landscape" %}selected{% endif %}>Landscape</option>
<option value="portrait" {% if frame.orientation == "portrait" %}selected{% endif %}>Portrait</option>
<option value="landscape_flipped" {% if frame.orientation == "landscape_flipped" %}selected{% endif %}>Landscape (flipped)</option>
<option value="portrait_flipped" {% if frame.orientation == "portrait_flipped" %}selected{% endif %}>Portrait (flipped)</option>
</select>
</label>
<label>Refresh interval (minutes)
<input type="number" id="refresh_interval_minutes" min="1" max="1440"
value="{{ (frame.refresh_interval_s // 60) or 60 }}" required>
</label>
<label>Display mode
<select id="display_mode">
{% for mode, label in display_mode_labels.items() %}
<option value="{{ mode }}" {% if frame.display_mode == mode %}selected{% endif %}>{{ label }}</option>
{% endfor %}
</select>
</label>
<p class="sub" style="margin-top: 8px;">How a photo's aspect ratio
is reconciled with the panel's: <strong>Crop to fill</strong>
trims the excess; <strong>Crop to faces</strong> does the same
but shifts the crop to keep people on screen; <strong>Stretch to
fill</strong> fills the panel exactly without cropping (photos
not matching the panel's aspect ratio look stretched);
<strong>Shrink to fit</strong> shows the whole photo, letterboxed
if needed.</p>
<div class="checkbox-row">
<input type="checkbox" id="quiet_hours_enabled" {% if frame.quiet_hours_enabled %}checked{% endif %}>
<label for="quiet_hours_enabled">Quiet hours (don't wake overnight)</label>
</div>
<label>Quiet hours start
<input type="time" id="quiet_hours_start" value="{{ frame.quiet_hours_start }}">
</label>
<label>Quiet hours end
<input type="time" id="quiet_hours_end" value="{{ frame.quiet_hours_end }}">
</label>
<label>Timezone
<select id="timezone">
{% for tz in timezones %}
<option value="{{ tz }}" {% if tz == frame.timezone %}selected{% endif %}>{{ tz }}</option>
{% endfor %}
</select>
</label>
<p class="sub" style="margin-top: 8px;">Quiet hours times are
interpreted in this timezone. The device may still wake once right
at the start of quiet hours -- it can't know ahead of time -- but
goes right back to sleep until they end.</p>
<button type="submit">Save</button>
</form>
</section>
</div>
<div class="side-col">
<section class="card">
<h2 class="card-title">Firmware update</h2>
<p class="sub" id="firmware-board">
{% if frame.device_board_variant %}Detected board: {{ frame.device_board_variant }}
{% else %}Board not detected yet -- the frame reports it on its next check-in.{% endif %}
</p>
<p class="sub" id="firmware-available">
{% if frame.firmware_available_version %}Uploaded: v{{ frame.firmware_available_version }} -- the frame
updates itself on its next wake if it's running something else.{% else %}No firmware uploaded yet.{% endif %}
</p>
<input type="file" id="firmware-file" accept=".bin">
<button type="button" class="secondary" id="firmware-upload">Upload firmware</button>
<div id="firmware-repo-display" style="margin-top: 16px; {% if not frame.firmware_update_repo_url %}display: none;{% endif %}">
<p class="sub">Gitea repo: <code id="firmware-repo-text">{{ frame.firmware_update_repo_url }}</code>
<button type="button" class="secondary btn-inline" id="firmware-repo-edit-btn">Edit</button>
</p>
</div>
<label id="firmware-repo-edit" style="{% if frame.firmware_update_repo_url %}display: none;{% endif %}">Gitea repo URL
<input type="text" id="firmware_update_repo_url" placeholder="https://git.example.com/owner/repo"
value="{{ frame.firmware_update_repo_url }}">
</label>
<div class="checkbox-row">
<input type="checkbox" id="firmware_auto_update" {% if frame.firmware_auto_update %}checked{% endif %}>
<label for="firmware_auto_update">Automatically apply updates</label>
</div>
<button type="button" class="secondary" id="firmware-settings-save">Save</button>
<p class="sub" id="firmware-gitea-status" style="display: none; margin-top: 10px;"></p>
<button type="button" class="secondary" id="firmware-check-now">Check now</button>
<button type="button" id="firmware-update-btn" style="display: none;">Update frame</button>
</section>
<section class="card">
<h2 class="card-title">Battery alerts</h2>
<label>Email me when battery drops below (%)
<input type="number" id="battery_alert_threshold_pct" min="0" max="100"
value="{% if frame.battery_alert_threshold_pct >= 0 %}{{ frame.battery_alert_threshold_pct }}{% endif %}"
placeholder="disabled">
</label>
<p class="sub" style="margin-top: 8px;">Sent once per discharge cycle
to the frame owner's email (set in Settings) -- clear the field to
disable. Needs SMTP configured by an admin.</p>
<button type="button" class="secondary" id="battery-alert-save">Save</button>
</section>
<details class="card">
<summary class="card-title">Advanced configuration</summary>
<p class="sub">Color-quantization values used when dithering photos
for this panel -- approximations by default, since exact primaries
aren't published. Tune them by comparing a rendered photo against
the physical panel; different panel units can vary enough to be
worth calibrating per frame.</p>
<div class="palette-table-wrap">
<table class="palette-table">
<thead><tr><th></th><th>Color</th><th>Hex</th><th>R</th><th>G</th><th>B</th></tr></thead>
<tbody>
{% set current_palette = frame.palette_rgb or default_palette_rgb %}
{% set current_hex = palette_to_hex(current_palette) %}
{% for label in palette_labels %}
<tr>
<td><span class="palette-swatch-preview" data-index="{{ loop.index0 }}"
style="background: {{ current_hex[loop.index0] }};"></span></td>
<td>{{ label }}</td>
<td><input type="text" class="palette-hex" id="palette_{{ loop.index0 }}" data-index="{{ loop.index0 }}"
value="{{ current_hex[loop.index0] }}" maxlength="7" pattern="#[0-9a-fA-F]{6}"
spellcheck="false" autocomplete="off"></td>
<td><input type="number" class="palette-rgb palette-r" data-index="{{ loop.index0 }}"
min="0" max="255" value="{{ current_palette[loop.index0][0] }}"></td>
<td><input type="number" class="palette-rgb palette-g" data-index="{{ loop.index0 }}"
min="0" max="255" value="{{ current_palette[loop.index0][1] }}"></td>
<td><input type="number" class="palette-rgb palette-b" data-index="{{ loop.index0 }}"
min="0" max="255" value="{{ current_palette[loop.index0][2] }}"></td>
</tr>
{% endfor %}
</tbody>
</table>
</div>
<h2 class="card-title" style="margin-top: 20px;">Image adjustments</h2>
<label>Color enhancement <span class="slider-value" id="color_boost_value">{{ "%.2f" | format(frame.color_boost) }}</span>
<input type="range" id="color_boost" min="0" max="2" step="0.05" value="{{ frame.color_boost }}">
</label>
<label>Contrast <span class="slider-value" id="contrast_boost_value">{{ "%.2f" | format(frame.contrast_boost) }}</span>
<input type="range" id="contrast_boost" min="0" max="2" step="0.05" value="{{ frame.contrast_boost }}">
</label>
<label>Dithering strength <span class="slider-value" id="dither_strength_value">{{ "%.2f" | format(frame.dither_strength) }}</span>
<input type="range" id="dither_strength" min="0" max="1" step="0.05" value="{{ frame.dither_strength }}">
</label>
<p class="sub" style="margin-top: 8px;">1.00 is unchanged for color/
contrast. Dithering strength trades noise texture for smoother
gradients as it goes down; 0 is a flat, un-dithered quantization.
Use the preview below to compare.</p>
<button type="button" class="secondary" id="palette-save" style="margin-top: 16px;">Save</button>
<button type="button" class="secondary" id="palette-reset">Reset to defaults</button>
</details>
<section class="card">
<h2 class="card-title">Preview</h2>
<p class="sub">The current photo, and exactly how it renders on the
panel with this frame's saved settings above.</p>
<div class="preview-compare">
<div class="preview-pane">
<p class="sub">Now displaying</p>
<img class="preview-img" id="preview-original" alt="Original photo">
</div>
<div class="preview-pane">
<p class="sub">How it will look on the frame</p>
<img class="preview-img" id="preview-rendered" alt="Rendered preview">
</div>
</div>
<button type="button" class="secondary" id="preview-refresh">Refresh preview</button>
</section>
</div>
</div>
<div id="result"></div>
{% endblock %}
{% block scripts %}
<script>
window.FRAME_API = {{ ("/api/frames/" ~ frame.id) | tojson }};
window.DEFAULT_PALETTE_HEX = {{ palette_to_hex(default_palette_rgb) | tojson }};
</script>
<script src="/static/frame_config.js"></script>
{% endblock %}