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espresso_frame/server/app/widgets/static_image.py
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tfaour 5f4f8f2ea7
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Add a curated theme system for "modern" style widgets, inspired by Tesserae
Frame.theme (7 presets in app/theme_tokens.py) drives font family,
corner radius, drop shadow, and an accent hue for every modern-style
widget's header/accent region. Rich accent colors (not just the 6 flat
panel inks) are approximated via denser Bayer stippling confined to just
that region (html_render.ordered_dither_regions), so icon/text content
elsewhere stays exactly as crisp as it is today -- verified directly
against real Chromium renders, both in unit tests and via run-server.
"classic" is a byte-identical no-visual-change default: weather's header
keeps its original fixed blue gradient, tasks/calendar keep their flat
THEME_* ink.

Themes are purely stylistic -- battery's charge-level color, calendar/
tasks' per-owner event chips, and text's own per-widget font choice are
never touched.
2026-07-31 10:34:28 +00:00

44 lines
1.8 KiB
Python

"""Static image widget: shows whatever image the user last uploaded
(routers/api_widgets.py's api_widget_static_upload already decoded
PNG/JPEG/GIF/PDF/etc. into plain RGB PNG bytes at upload time, see
app/image_upload.py and models.StaticWidgetConfig) -- no live upstream
to fetch, so render() is just a decode + compose_into, the simplest of
every widget type's render().
No button actions -- there's nothing to advance/back/check for a fixed
uploaded image."""
from __future__ import annotations
import io
from PIL import Image
from sqlalchemy.orm import Session
from ..image_pipeline import compose_into
from ..models import Frame, StaticWidgetConfig, Widget
from ._shared import placeholder_image
ACTIONS: dict = {}
ACTION_LABELS: dict[str, str] = {}
def render(db: Session, frame: Frame, widget: Widget, target_w: int, target_h: int,
is_normal_wake: bool = True) -> Image.Image:
"""is_normal_wake is unused -- see app/widgets/whiteboard.py's
identical note; every widget type's render() shares one call
signature regardless of which ones actually care."""
cfg = db.get(StaticWidgetConfig, widget.id)
if not cfg.image:
return placeholder_image(target_w, target_h, ["Static image widget", "not configured yet"])
source = Image.open(io.BytesIO(cfg.image)).convert("RGB")
composed = compose_into(source, faces=None, target_w=target_w, target_h=target_h, display_mode=cfg.display_mode)
if cfg.render_style == "modern":
# Local import: html_render pulls in Playwright, a real headless-
# Chromium dependency -- every other widget type, and this one's
# own classic path, should never pay for it.
from .. import html_render
return html_render.build_framed_image(composed, target_w, target_h, frame.palette_rgb, frame.theme, "static")
return composed