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# -*- coding: utf-8 -*-
#
# Licensed under the terms of the Qwt License
# Copyright (c) 2002 Uwe Rathmann, for the original C++ code
# Copyright (c) 2015 Pierre Raybaut, for the Python translation/optimization
# (see LICENSE file for more details)
from qtpy.QtCore import QLineF, QObject, QRectF, Qt
from qtpy.QtGui import QPalette, QPolygonF
from qwt.interval import QwtInterval
def qwtDrawBox(p, rect, pal, lw):
if lw > 0.0:
if rect.width() == 0.0:
p.setPen(pal.dark().color())
p.drawLine(QLineF(rect.topLeft(), rect.bottomLeft()))
return
if rect.height() == 0.0:
p.setPen(pal.dark().color())
p.drawLine(QLineF(rect.topLeft(), rect.topRight()))
return
lw = min([lw, rect.height() / 2.0 - 1.0])
lw = min([lw, rect.width() / 2.0 - 1.0])
outerRect = rect.adjusted(0, 0, 1, 1)
polygon = QPolygonF(outerRect)
if outerRect.width() > 2 * lw and outerRect.height() > 2 * lw:
innerRect = outerRect.adjusted(lw, lw, -lw, -lw)
polygon = polygon.subtracted(innerRect)
p.setPen(Qt.NoPen)
p.setBrush(pal.dark())
p.drawPolygon(polygon)
windowRect = rect.adjusted(lw, lw, -lw + 1, -lw + 1)
if windowRect.isValid():
p.fillRect(windowRect, pal.window())
def qwtDrawPanel(painter, rect, pal, lw):
if lw > 0.0:
if rect.width() == 0.0:
painter.setPen(pal.window().color())
painter.drawLine(QLineF(rect.topLeft(), rect.bottomLeft()))
return
if rect.height() == 0.0:
painter.setPen(pal.window().color())
painter.drawLine(QLineF(rect.topLeft(), rect.topRight()))
return
lw = min([lw, rect.height() / 2.0 - 1.0])
lw = min([lw, rect.width() / 2.0 - 1.0])
outerRect = rect.adjusted(0, 0, 1, 1)
innerRect = outerRect.adjusted(lw, lw, -lw, -lw)
lines = [QPolygonF(), QPolygonF()]
lines[0] += outerRect.bottomLeft()
lines[0] += outerRect.topLeft()
lines[0] += outerRect.topRight()
lines[0] += innerRect.topRight()
lines[0] += innerRect.topLeft()
lines[0] += innerRect.bottomLeft()
lines[1] += outerRect.topRight()
lines[1] += outerRect.bottomRight()
lines[1] += outerRect.bottomLeft()
lines[1] += innerRect.bottomLeft()
lines[1] += innerRect.bottomRight()
lines[1] += innerRect.topRight()
painter.setPen(Qt.NoPen)
painter.setBrush(pal.light())
painter.drawPolygon(lines[0])
painter.setBrush(pal.dark())
painter.drawPolygon(lines[1])
painter.fillRect(rect.adjusted(lw, lw, -lw + 1, -lw + 1), pal.window())
class QwtColumnSymbol_PrivateData(QObject):
def __init__(self):
QObject.__init__(self)
self.style = QwtColumnSymbol.Box
self.frameStyle = QwtColumnSymbol.Raised
self.lineWidth = 2
self.palette = QPalette(Qt.gray)
class QwtColumnSymbol(object):
# enum Style
NoStyle = -1
Box = 0
UserStyle = 1000
# enum FrameStyle
NoFrame, Plain, Raised = list(range(3))
def __init__(self, style):
self.__data = QwtColumnSymbol_PrivateData()
self.__data.style = style
def setStyle(self, style):
self.__data.style = style
def style(self):
return self.__data.style
def setPalette(self, palette):
self.__data.palette = palette
def palette(self):
return self.__data.palette
def setFrameStyle(self, frameStyle):
self.__data.frameStyle = frameStyle
def frameStyle(self):
return self.__data.frameStyle
def setLineWidth(self, width):
self.__data.lineWidth = width
def lineWidth(self):
return self.__data.lineWidth
def draw(self, painter, rect):
painter.save()
if self.__data.style == QwtColumnSymbol.Box:
self.drawBox(painter, rect)
painter.restore()
def drawBox(self, painter, rect):
r = rect.toRect()
if self.__data.frameStyle == QwtColumnSymbol.Raised:
qwtDrawPanel(painter, r, self.__data.palette, self.__data.lineWidth)
elif self.__data.frameStyle == QwtColumnSymbol.Plain:
qwtDrawBox(painter, r, self.__data.palette, self.__data.lineWidth)
else:
painter.fillRect(r.adjusted(0, 0, 1, 1), self.__data.palette.window())
class QwtColumnRect(object):
# enum Direction
LeftToRight, RightToLeft, BottomToTop, TopToBottom = list(range(4))
def __init__(self):
self.hInterval = QwtInterval()
self.vInterval = QwtInterval()
self.direction = 0
def toRect(self):
r = QRectF(
self.hInterval.minValue(),
self.vInterval.minValue(),
self.hInterval.maxValue() - self.hInterval.minValue(),
self.vInterval.maxValue() - self.vInterval.minValue(),
)
r = r.normalized()
if self.hInterval.borderFlags() & QwtInterval.ExcludeMinimum:
r.adjust(1, 0, 0, 0)
if self.hInterval.borderFlags() & QwtInterval.ExcludeMaximum:
r.adjust(0, 0, -1, 0)
if self.vInterval.borderFlags() & QwtInterval.ExcludeMinimum:
r.adjust(0, 1, 0, 0)
if self.vInterval.borderFlags() & QwtInterval.ExcludeMaximum:
r.adjust(0, 0, 0, -1)
return r
def orientation(self):
if self.direction in (self.LeftToRight, self.RightToLeft):
return Qt.Horizontal
return Qt.Vertical
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