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Make axes labels more pixel perfect

vlm_plotz
Tyler Goodlet 2022-01-21 07:32:15 -05:00
parent e4bf3a5fe4
commit d600a2ca70
1 changed files with 17 additions and 10 deletions
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27
piker/ui/_axes.py
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@ -287,6 +287,8 @@ class AxisLabel(pg.GraphicsObject):
self.path = None self.path = None
self.rect = None self.rect = None
self._pw = self.pixelWidth()
def paint( def paint(
self, self,
p: QtGui.QPainter, p: QtGui.QPainter,
@ -419,6 +421,7 @@ class XAxisLabel(AxisLabel):
abs_pos: QPointF, # scene coords abs_pos: QPointF, # scene coords
value: float, # data for text value: float, # data for text
offset: int = 0 # if have margins, k? offset: int = 0 # if have margins, k?
) -> None: ) -> None:
timestrs = self._parent._indexes_to_timestrs([int(value)]) timestrs = self._parent._indexes_to_timestrs([int(value)])
@ -433,17 +436,19 @@ class XAxisLabel(AxisLabel):
w = self.boundingRect().width() w = self.boundingRect().width()
self.setPos(QPointF( self.setPos(
abs_pos.x() - w/2, QPointF(
y_offset/2, abs_pos.x() - w/2 - self._pw,
)) y_offset/2,
)
)
self.update() self.update()
def _draw_arrow_path(self): def _draw_arrow_path(self):
y_offset = self._parent.style['tickTextOffset'][1] y_offset = self._parent.style['tickTextOffset'][1]
path = QtGui.QPainterPath() path = QtGui.QPainterPath()
h, w = self.rect.height(), self.rect.width() h, w = self.rect.height(), self.rect.width()
middle = w/2 - 0.5 middle = w/2 - self._pw * 0.5
aw = h/2 aw = h/2
left = middle - aw left = middle - aw
right = middle + aw right = middle + aw
@ -513,10 +518,12 @@ class YAxisLabel(AxisLabel):
br = self.boundingRect() br = self.boundingRect()
h = br.height() h = br.height()
self.setPos(QPointF( self.setPos(
x_offset, QPointF(
abs_pos.y() - h / 2 - self._y_margin / 2 x_offset,
)) abs_pos.y() - h / 2 - self._pw,
)
)
self.update() self.update()
def update_on_resize(self, vr, r): def update_on_resize(self, vr, r):
@ -553,7 +560,7 @@ class YAxisLabel(AxisLabel):
path = QtGui.QPainterPath() path = QtGui.QPainterPath()
h = self.rect.height() h = self.rect.height()
path.moveTo(0, 0) path.moveTo(0, 0)
path.lineTo(-x_offset - h/4, h/2.) path.lineTo(-x_offset - h/4, h/2. - self._pw/2)
path.lineTo(0, h) path.lineTo(0, h)
path.closeSubpath() path.closeSubpath()
self.path = path self.path = path