def _get_buffer(size, filename):
buffer = QtGui.QPdfWriter(filename)
dpi = QApplication.desktop().logicalDpiX()
buffer.setResolution(dpi)
buffer.setPageMargins(QMarginsF(0, 0, 0, 0))
buffer.setPageSizeMM(QtCore.QSizeF(size.width(), size.height()) / dpi * 25.4)
return buffer
def export(self, filename=None):
pw = QPdfWriter(filename)
dpi = int(QApplication.primaryScreen().logicalDotsPerInch())
pw.setResolution(dpi)
pw.setPageMargins(QMarginsF(0, 0, 0, 0))
pw.setPageSize(
QPageSize(
QSizeF(self.getTargetRect().size()) / dpi * 25.4,
QPageSize.Millimeter))
painter = QPainter(pw)
try:
self.setExportMode(
True, {
'antialias': True,
'background': self.background,
'painter': painter
})
painter.setRenderHint(QPainter.Antialiasing, True)
if QtCore.QT_VERSION >= 0x050D00:
painter.setRenderHint(QPainter.LosslessImageRendering, True)
self.getScene().render(painter, QRectF(self.getTargetRect()),
QRectF(self.getSourceRect()))
finally:
self.setExportMode(False)
painter.end()
def _get_buffer(size, filename):
buffer = QtGui.QPdfWriter(filename)
dpi = int(QApplication.primaryScreen().logicalDotsPerInch())
buffer.setResolution(dpi)
buffer.setPageMargins(QMarginsF(0, 0, 0, 0))
pagesize = QtCore.QSizeF(size.width(), size.height()) / dpi * 25.4
buffer.setPageSize(
QtGui.QPageSize(pagesize, QtGui.QPageSize.Millimeter))
return buffer
def __layout(self):
item = self.item
geom = self.geometry()
margins = QMarginsF(*self.getContentsMargins())
crect = geom.marginsRemoved(margins)
anchorpos = qrect_pos_relative(crect, *self.__anchorThis)
brect = self.item.boundingRect()
anchorpositem = qrect_pos_relative(brect, *self.__anchorItem)
anchorpositem = item.mapToParent(anchorpositem)
item.setPos(item.pos() + (anchorpos - anchorpositem))
def export(self, filename=None):
pw = QPdfWriter(filename)
dpi = QApplication.desktop().logicalDpiX()
pw.setResolution(dpi)
pw.setPageMargins(QMarginsF(0, 0, 0, 0))
pw.setPageSizeMM(QSizeF(self.getTargetRect().size()) / dpi * 25.4)
painter = QPainter(pw)
try:
self.setExportMode(
True, {
'antialias': True,
'background': self.background,
'painter': painter
})
painter.setRenderHint(QPainter.Antialiasing, True)
self.getScene().render(painter, QRectF(self.getTargetRect()),
QRectF(self.getSourceRect()))
finally:
self.setExportMode(False)
painter.end()
def __layout(self) -> None:
margins = QMarginsF(*self.getContentsMargins())
if self.__orientation == Qt.Horizontal:
# transposed margins
margins = QMarginsF(
margins.bottom(), margins.left(), margins.top(), margins.right()
)
crect = self.rect().transposed().marginsRemoved(margins)
else:
crect = self.rect().marginsRemoved(margins)
spacing = self.__spacing
align_horizontal = self.__alignment & Qt.AlignHorizontal_Mask
align_vertical = self.__alignment & Qt.AlignVertical_Mask
if align_vertical == 0:
align_vertical = Qt.AlignTop
if align_horizontal == 0:
align_horizontal = Qt.AlignLeft
N = len(self.__items)
if not N:
return
assert self.__group is not None
font = self.font()
fm = QFontMetrics(font)
fontheight = fm.height()
# the available vertical space
vspace = crect.height() - (N - 1) * spacing
cell_height = vspace / N
if cell_height > fontheight:
# use font height, adjust (widen) spacing.
cell_height = fontheight
spacing = (crect.height() - N * cell_height) / N
elif self.__autoScale:
# find a smaller font size to fit the height
psize = effective_point_size_for_height(font, cell_height)
font.setPointSizeF(psize)
fm = QFontMetrics(font)
fontheight = fm.height()
if self.__autoScale and self.__effectiveFont != font:
self.__effectiveFont = font
apply_all(self.__textitems, lambda it: it.setFont(font))
advance = cell_height + spacing
if align_vertical == Qt.AlignTop:
align_dy = 0.
elif align_vertical == Qt.AlignVCenter:
align_dy = advance / 2.0 - fontheight / 2.0
else:
align_dy = advance - fontheight
if align_horizontal == Qt.AlignLeft:
for i, item in enumerate(self.__textitems):
item.setPos(crect.left(), crect.top() + i * advance + align_dy)
elif align_horizontal == Qt.AlignHCenter:
for i, item in enumerate(self.__textitems):
item.setPos(
crect.center().x() - item.boundingRect().width() / 2,
crect.top() + i * advance + align_dy
)
else:
for i, item in enumerate(self.__textitems):
item.setPos(
crect.right() - item.boundingRect().width(),
crect.top() + i * advance + align_dy
)
if self.__orientation == Qt.Vertical:
self.__group.setRotation(0)
self.__group.setPos(0, 0)
else:
self.__group.setRotation(-90)
self.__group.setPos(self.rect().bottomLeft())
def __layout(self) -> None:
margins = QMarginsF(*self.getContentsMargins())
if self.__orientation == Qt.Horizontal:
# transposed margins
margins = QMarginsF(
margins.bottom(), margins.left(), margins.top(), margins.right()
)
crect = self.rect().transposed().marginsRemoved(margins)
else:
crect = self.rect().marginsRemoved(margins)
spacing = self.__spacing
align_horizontal = self.__alignment & Qt.AlignHorizontal_Mask
align_vertical = self.__alignment & Qt.AlignVertical_Mask
if align_vertical == 0:
align_vertical = Qt.AlignTop
if align_horizontal == 0:
align_horizontal = Qt.AlignLeft
N = len(self.__items)
if not N:
return
assert self.__group is not None
fm = QFontMetrics(self.font())
naturalheight = fm.height()
cell_height = (crect.height() - (N - 1) * spacing) / N
if cell_height > naturalheight and N > 1:
cell_height = naturalheight
spacing = (crect.height() - N * cell_height) / N
advance = cell_height + spacing
if align_vertical == Qt.AlignTop:
align_dy = 0.
elif align_vertical == Qt.AlignVCenter:
align_dy = advance / 2.0 - naturalheight / 2.0
else:
align_dy = advance - naturalheight
if align_horizontal == Qt.AlignLeft:
for i, item in enumerate(self.__textitems):
item.setPos(crect.left(), crect.top() + i * advance + align_dy)
elif align_horizontal == Qt.AlignHCenter:
for i, item in enumerate(self.__textitems):
item.setPos(
crect.center().x() - item.boundingRect().width() / 2,
crect.top() + i * advance + align_dy
)
else:
for i, item in enumerate(self.__textitems):
item.setPos(
crect.right() - item.boundingRect().width(),
crect.top() + i * advance + align_dy
)
if self.__orientation == Qt.Vertical:
self.__group.setRotation(0)
self.__group.setPos(0, 0)
else:
self.__group.setRotation(-90)
self.__group.setPos(self.rect().bottomLeft())
def setGeometry(self, rect: QRectF) -> None:
super().setGeometry(rect)
margins = QMarginsF(*self.getContentsMargins())
rect = rect.marginsRemoved(margins)
for item, r in zip(self.__items, self.__doLayout(rect)):
item.setGeometry(r)