ykcheungab
95 lines
3.0 KiB
Python
95 lines
3.0 KiB
Python
"""Monochrome play/pause icons for the dashboard toolbar (avoids Windows emoji glyphs)."""
|
|
|
|
from __future__ import annotations
|
|
|
|
import math
|
|
from typing import Literal
|
|
|
|
from PyQt5.QtCore import QPointF, QRectF, Qt
|
|
from PyQt5.QtGui import QColor, QIcon, QPainter, QPen, QPixmap, QPolygonF
|
|
|
|
TransportKind = Literal["play", "pause"]
|
|
|
|
_DEFAULT_ICON_PX = 18
|
|
|
|
|
|
def transport_icon(kind: TransportKind, color: str, *, size: int = _DEFAULT_ICON_PX) -> QIcon:
|
|
"""Build a flat play triangle or pause bars in ``color`` (#rrggbb)."""
|
|
pixmap = QPixmap(size, size)
|
|
pixmap.fill(Qt.transparent)
|
|
|
|
painter = QPainter(pixmap)
|
|
painter.setRenderHint(QPainter.Antialiasing, True)
|
|
painter.setBrush(QColor(color))
|
|
painter.setPen(Qt.NoPen)
|
|
|
|
if kind == "play":
|
|
w = size * 0.52
|
|
h = size * 0.60
|
|
x0 = (size - w) * 0.58
|
|
y0 = (size - h) / 2.0
|
|
painter.drawPolygon(
|
|
QPolygonF(
|
|
[
|
|
QPointF(x0, y0),
|
|
QPointF(x0, y0 + h),
|
|
QPointF(x0 + w, y0 + h / 2.0),
|
|
]
|
|
)
|
|
)
|
|
else:
|
|
bar_w = size * 0.17
|
|
bar_h = size * 0.60
|
|
gap = size * 0.14
|
|
y0 = (size - bar_h) / 2.0
|
|
x0 = (size - (2.0 * bar_w + gap)) / 2.0
|
|
radius = max(1.0, size * 0.06)
|
|
painter.drawRoundedRect(QRectF(x0, y0, bar_w, bar_h), radius, radius)
|
|
painter.drawRoundedRect(QRectF(x0 + bar_w + gap, y0, bar_w, bar_h), radius, radius)
|
|
|
|
painter.end()
|
|
return QIcon(pixmap)
|
|
|
|
|
|
def reset_icon(color: str, *, size: int = 16) -> QIcon:
|
|
"""Build a circular reset / refresh arrow in ``color`` (#rrggbb)."""
|
|
pixmap = QPixmap(size, size)
|
|
pixmap.fill(Qt.transparent)
|
|
|
|
painter = QPainter(pixmap)
|
|
painter.setRenderHint(QPainter.Antialiasing, True)
|
|
stroke = max(1.4, size * 0.11)
|
|
pen = QPen(QColor(color), stroke, Qt.SolidLine, Qt.RoundCap, Qt.RoundJoin)
|
|
painter.setPen(pen)
|
|
painter.setBrush(Qt.NoBrush)
|
|
|
|
margin = size * 0.2
|
|
rect = QRectF(margin, margin, size - 2.0 * margin, size - 2.0 * margin)
|
|
start_deg = 55.0
|
|
painter.drawArc(rect, int(start_deg * 16), int(-280 * 16))
|
|
|
|
cx, cy = rect.center().x(), rect.center().y()
|
|
radius = rect.width() / 2.0
|
|
angle_rad = math.radians(start_deg)
|
|
tip_x = cx + radius * math.cos(angle_rad)
|
|
tip_y = cy - radius * math.sin(angle_rad)
|
|
tangent = angle_rad + math.pi / 2.0
|
|
head = max(2.0, size * 0.18)
|
|
wing = max(2.0, size * 0.14)
|
|
painter.setBrush(QColor(color))
|
|
painter.setPen(Qt.NoPen)
|
|
painter.drawPolygon(
|
|
QPolygonF(
|
|
[
|
|
QPointF(tip_x, tip_y),
|
|
QPointF(tip_x - head * math.cos(tangent) + wing * math.sin(tangent),
|
|
tip_y + head * math.sin(tangent) + wing * math.cos(tangent)),
|
|
QPointF(tip_x - head * math.cos(tangent) - wing * math.sin(tangent),
|
|
tip_y + head * math.sin(tangent) - wing * math.cos(tangent)),
|
|
]
|
|
)
|
|
)
|
|
|
|
painter.end()
|
|
return QIcon(pixmap)
|