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midiviz
Commit e0a434c3 by PLN (Algolia)
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devcon: PARVAGUES as the site's hero headline, navy Jersey on the gradient plate

parent 902d99cc
Showing with 75 additions and 10 deletions
midiviz.py
......@@ -390,6 +390,10 @@ class Theme(NamedTuple):
# every fourth), anything else = a square grid at that pitch -- the
# DevCon artwork's graph paper.
scan_grid: float
# The PARVAGUES wordmark (`l`) as the site's hero headline instead of the
# neon: Jersey 15, hero tracking, navy on a baked gradient plate. The
# theme decides, not --word-face, so no other page ever wears the plate.
word_plate: bool
# The dark ink ramp, sampled at levels 1..4, IS the dark surface ramp -- which
......@@ -409,6 +413,7 @@ THEMES: dict[str, Theme] = {
scan=((0xa0, 0x60, 0xff, 16), (0xa0, 0x60, 0xff, 9)),
bar_frac=0.22, bold=False, ui_font="mono",
fam_hue=FAM_HUE, tint_over_page=False, scan_grid=0.0,
word_plate=False,
),
# Indoors on a pale desktop. Still a lens, still the violet arc, still a
# decay gradient the eye can follow -- the ink simply runs the other way.
......@@ -429,6 +434,7 @@ THEMES: dict[str, Theme] = {
scan=((0x50, 0x3a, 0x78, 10), (0x50, 0x3a, 0x78, 6)),
bar_frac=0.22, bold=False, ui_font="mono",
fam_hue=FAM_HUE, tint_over_page=False, scan_grid=0.0,
word_plate=False,
),
# Direct sunlight, and built for nothing else. Near-white page, heavy ink
# at every decay level (a "dim" state outdoors is a blank state), thicker
......@@ -466,7 +472,7 @@ THEMES: dict[str, Theme] = {
# #df96ef, gate = mint #07ffda, gate2 = cyan #46dbee, family = orange
# #ff7700, other = the chrome's blue, note = the artwork's rose.
fam_hue=(223, 16, 290, 171, 191, 28, 216, 350),
tint_over_page=True, scan_grid=14.0,
tint_over_page=True, scan_grid=14.0, word_plate=True,
),
# Direct sunlight, and built for nothing else. Near-white page, heavy ink
# at every decay level (a "dim" state outdoors is a blank state), thicker
......@@ -494,6 +500,7 @@ THEMES: dict[str, Theme] = {
scan=None,
bar_frac=0.34, bold=True, ui_font="mono",
fam_hue=FAM_HUE, tint_over_page=False, scan_grid=0.0,
word_plate=False,
),
}
# Cycle order for the `d` key and the menu: darkest to brightest page, so the
......@@ -577,6 +584,14 @@ JERSEY_PATH = Path(__file__).resolve().parent / "ui" / "Jersey15-Regular.ttf"
WORD_FACES = ("syne", "jersey")
JERSEY_UI_SIZE = 1.3 # px multiplier when Jersey sets the digits
WORD_ALPHA = 0.8
# The DevCon hero, read off algolia.com/devcon (.devcon-hero__headline): Jersey
# 15 at weight 400, letter-spacing -2.72px on 136px (-2%), --devcon-navy. The
# plate is the artwork's own gradient (corail -> magenta -> cyan, measured on
# the intro loop and the header) with its pale grid, because navy type needs
# the bright page the site sets it on.
PLATE_INK = "#14283f"
PLATE_STOPS = ((0.0, "#fd956e"), (0.55, "#df96ef"), (1.0, "#46dbee"))
PLATE_GRID = (0xff, 0xff, 0xff, 46)
# ── the HL feed ────────────────────────────────────────────────────────────
# PLN, 2026-09-24: "please do indeed sub from the events, to indeed feed
......@@ -1860,18 +1875,20 @@ def build_widget(port_label: str, reader: "Reader | None", scale: float = 1.0,
spacing and kerned sub-advances disagreed, and that arithmetic is
exactly how "PARVAGU" lost its tail. The bake measures its own
ink instead (see _word_pixmap)."""
key = (self._word_face, round(target_w), round(target_h))
plate = self.theme.word_plate
face = "jersey" if plate else self._word_face
key = (face, plate, round(target_w), round(target_h))
if self._word_font_key == key:
return self._word_font
fam_id = self._jersey_id if self._word_face == "jersey" \
else self._syne_id
fam_id = self._jersey_id if face == "jersey" else self._syne_id
if fam_id < 0:
return None
fam = QtGui.QFontDatabase.applicationFontFamilies(fam_id)[0]
f = QtGui.QFont(fam)
f.setPixelSize(max(6, target_h * 0.92))
f.setLetterSpacing(QtGui.QFont.SpacingType.PercentageSpacing,
106.0) # +0.06em, as the hero tracks
98.0 if plate # -2%, the DevCon hero
else 106.0) # +0.06em, as the hero tracks
self._word_font, self._word_font_key = f, key
return f
......@@ -1914,14 +1931,16 @@ def build_widget(port_label: str, reader: "Reader | None", scale: float = 1.0,
PARVAGU"), and it must FIT the D1 cell at the cell's margin —
which means the TYPE shrinks to the width, honestly, rather than
a squash that would make the letters strangers to themselves."""
key = (round(span_w), round(span_h))
plate = self.theme.word_plate
key = (round(span_w), round(span_h), plate)
if self._word_pm_key == key:
return self._word_pm
f = self._wave_font(span_w, span_h)
if f is None:
return None
ink_col = QtGui.QColor(PLATE_INK if plate else "#d900ff")
def bake(px, canvas_w, glow=True):
def bake(px, canvas_w, glow=not plate):
fb = QtGui.QFont(f)
fb.setPixelSize(max(4, px))
fmb = QtGui.QFontMetricsF(fb)
......@@ -1947,9 +1966,10 @@ def build_widget(port_label: str, reader: "Reader | None", scale: float = 1.0,
qp.translate(math.cos(a) * rad, math.sin(a) * rad)
self._draw_word_layer(qp, base, pad_b, fmb, glow_pen)
qp.restore()
# the core: --neon-high itself, the site's own pink
# the core: --neon-high itself, the site's own pink (or,
# on the plate, the DevCon navy -- pure, no glow)
self._draw_word_layer(qp, base, pad_b, fmb,
QtGui.QPen(QtGui.QColor("#d900ff")))
QtGui.QPen(ink_col))
finally:
qp.end()
return img, pad_b
......@@ -1989,9 +2009,36 @@ def build_widget(port_label: str, reader: "Reader | None", scale: float = 1.0,
min(w_, right - left + 1 + pad),
img.height())
pm = QtGui.QPixmap.fromImage(cropped)
if plate:
pm = self._plate_pixmap(span_w, span_h, pm)
self._word_pm, self._word_pm_key = pm, key
return pm
def _plate_pixmap(self, span_w, span_h, word_pm):
"""The DevCon hero as one baked picture: gradient, grid, word.
Built once per geometry like the word itself, so a frame is still
one blit and constructs no gradient."""
pw, ph = max(1, round(span_w)), max(1, round(span_h))
pm = QtGui.QPixmap(pw, ph)
pm.fill(QtGui.QColor(0, 0, 0, 0))
qp = QtGui.QPainter(pm)
try:
g = QtGui.QLinearGradient(0, 0, pw, ph)
for at, col in PLATE_STOPS:
g.setColorAt(at, QtGui.QColor(col))
qp.fillRect(0, 0, pw, ph, QtGui.QBrush(g))
qp.setPen(QtGui.QColor(*PLATE_GRID))
step = max(4, round(ph / 5))
for x in range(step, pw, step):
qp.drawLine(x, 0, x, ph)
for y in range(step, ph, step):
qp.drawLine(0, y, pw, y)
qp.drawPixmap(round((pw - word_pm.width()) / 2.0),
round((ph - word_pm.height()) / 2.0), word_pm)
finally:
qp.end()
return pm
def _col_has_ink(self, img, x):
return any(img.pixelColor(x, y).alpha() > 8
for y in range(img.height()))
......@@ -2007,7 +2054,9 @@ def build_widget(port_label: str, reader: "Reader | None", scale: float = 1.0,
if pm is None:
return
row_y = self.my + 3 * self.ch # PHYSICAL_ORDER index of D
p.setOpacity(WORD_ALPHA)
# the plate is a sticker, opaque: idle marks bleeding through
# read as dirt on the gradient
p.setOpacity(1.0 if self.theme.word_plate else WORD_ALPHA)
try:
# clamped to the span's outer rect: at the smallest windows
# the glow ring can reach 1px past the inner margin, and a
......
tests/test_midiviz.py
......@@ -1165,3 +1165,19 @@ def test_devcon_sets_its_digits_in_jersey_and_the_ribbon_keeps_its_grid():
assert w._hex_mono is False
w.set_theme("dark", save=False)
assert "Jersey" not in w.f_main.family() and w._hex_mono is True
def test_only_devcon_wears_the_hero_plate_and_it_fills_its_span():
import pytest
mv, w = _themed("devcon")
if mv is None:
pytest.skip("no Qt available")
assert [n for n, th in mv.THEMES.items() if th.word_plate] == ["devcon"]
if w._jersey_id < 0:
pytest.skip("Jersey not vendored on this checkout")
pm = w._word_pixmap(300.0, 60.0)
assert (pm.width(), pm.height()) == (300, 60), "the plate is the span, exactly"
# a theme switch must not reuse the plate as the neon word
w.set_theme("dark", save=False)
neon = w._word_pixmap(300.0, 60.0)
assert neon is not pm
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