class PageMetrics():
m_pageFormat = QPageSize.PageSizeId()
m_mmPageSize = QSizeF()
m_mmPageMargins = QMarginsF()
m_pxPageSize = QSizeF()
m_pxPageMargins = QMarginsF()
def __init__(self):
super(PageMetrics, self).__init__()
def mmToInches(self, mm):
return mm * 0.039370147
def mmToPx(self, _mm, _x):
return self.mmToInches(_mm) * (qApp.desktop().logicalDpiX() if _x else qApp.desktop().logicalDpiY())
def pageSizeIdFromString(self, _from):
result = QPageSize.A4
if (_from == "A0"):
result = QPageSize.A0
elif (_from == "A1"):
result = QPageSize.A1
elif (_from == "A2"):
result = QPageSize.A2
elif (_from == "A3"):
result = QPageSize.A3
elif (_from == "A4"):
result = QPageSize.A4
elif (_from == "A5"):
result = QPageSize.A5
elif (_from == "A6"):
result = QPageSize.A6
else:
Q_ASSERT_X(0, Q_FUNC_INFO, qPrintable("Undefined page size: " + _from))
return result
def stringFromPageSizeId(self, _pageSize):
result = ""
if(_pageSize == QPageSize.A0):
result = "A0"
elif (_pageSize == QPageSize.A1):
result = "A1"
elif (_pageSize == QPageSize.A2):
result = "A2"
elif (_pageSize == QPageSize.A3):
result = "A3"
elif (_pageSize == QPageSize.A4):
result = "A4"
elif (_pageSize == QPageSize.A5):
result = "A5"
elif (_pageSize == QPageSize.A6):
result = "A6"
else:
Q_ASSERT_X(0, Q_FUNC_INFO, qPrintable("Undefined page size: " + QString.number(_pageSize)))
return result
def update(self, _pageFormat, _mmPageMargins=QMarginsF()):
self.m_pageFormat = _pageFormat
self.m_mmPageSize = QPageSize(self.m_pageFormat).rect(QPageSize.Millimeter).size()
self.m_mmPageMargins = _mmPageMargins
# Calculate values in pixels
x = True; y = False
self.m_pxPageSize = QSizeF(self.mmToPx(self.m_mmPageSize.width(), x), self.mmToPx(self.m_mmPageSize.height(), y))
self.m_pxPageMargins = QMarginsF(self.mmToPx(self.m_mmPageMargins.left(), x), self.mmToPx(self.m_mmPageMargins.top(), y), self.mmToPx(self.m_mmPageMargins.right(), x), self.mmToPx(self.m_mmPageMargins.bottom(), y))
def pageFormat(self):
return self.m_pageFormat
def mmPageSize(self):
return self.m_mmPageSize
def mmPageMargins(self):
return self.m_mmPageMargins
def pxPageSize(self):
return QSizeF(self.m_pxPageSize.width(), self.m_pxPageSize.height())
def pxPageMargins(self):
return QMarginsF(self.m_pxPageMargins.left(), self.m_pxPageMargins.top(), self.m_pxPageMargins.right(), self.m_pxPageMargins.bottom())
def serialize_QSizeF(obj: QSizeF) -> dict:
return {"width": obj.width(), "height": obj.height()}