def boundingRect(self) -> QtCore.QRectF:
rect = super().boundingRect()
view = next(iter(self.scene().views()), None)
if view is None:
return rect
dist = view.mapToScene(QtCore.QRect(0, 0,self.cursor_dist, 1)).boundingRect().width()
return rect.marginsAdded(QtCore.QMarginsF(dist, dist, dist, dist))
def save_pdf(self, path, dpi=200):
cmax = 4
self.view.progress.update_state(text="Rendering...",
value=1,
maximum=cmax)
if self.view.progress.cancel_pressed():
return
self.scene().clearSelection()
scale = self.get_scale()
scale_tgt = SCALE_CUTOFF * 2
if scale < scale_tgt:
self.scale_view(scale_tgt / scale)
rect = self.scene().itemsBoundingRect()
m = min(rect.width(), rect.height()) * 0.05
rect = rect.marginsAdded(QtCore.QMarginsF(m, m, m, m))
w, h = rect.width(), rect.height()
self.view.progress.update_state(text="Rendering...",
value=2,
maximum=cmax)
if self.view.progress.cancel_pressed():
return
printer = QtPrintSupport.QPrinter()
printer.setWinPageSize(QtGui.QPageSize.A4)
printer.setFullPage(True)
printer.setOrientation(QtPrintSupport.QPrinter.Landscape)
printer.setOutputFormat(QtPrintSupport.QPrinter.PdfFormat)
printer.setOutputFileName(path)
size = printer.pageLayout().pageSize().sizePoints()
pw, ph = size.height(), size.width()
scale = min(pw / w, ph / h)
printer.setResolution(int(round(dpi / scale)))
ph = int(round(h * (pw / w)))
printer.setPageSize(
QtGui.QPageSize(QtCore.QSize(ph, pw), units=QtGui.QPageSize.Point))
painter = QtGui.QPainter(printer)
self.view.progress.update_state(text="Rendering...",
value=3,
maximum=cmax)
if self.view.progress.cancel_pressed():
painter.end()
os.remove(path)
return
self.scene().render(painter, source=rect)
painter.end()
self.view.progress.update_state(text="Rendering...",
value=4,
maximum=cmax)
def zoom(self, direction=None):
if direction is None:
rect = self.scene.itemsBoundingRect().marginsAdded(
QtCore.QMarginsF(10, 10, 10, 10))
self.setSceneRect(rect)
self.fitInView(rect, QtCore.Qt.KeepAspectRatio)
else:
factor = 1
if direction == 1:
factor = 1.1
elif direction == -1:
factor = 0.9
self.scale(factor, factor)
def save_pdf(self, path, dpi=72):
self.scene().clearSelection()
scale = self.get_scale()
rect = self.scene().itemsBoundingRect()
m = min(rect.width(), rect.height()) * 0.05
rect = rect.marginsAdded(QtCore.QMarginsF(m, m, m, m))
w, h = rect.width(), rect.height()
printer = QtPrintSupport.QPrinter()
printer.setWinPageSize(QtGui.QPageSize.A4)
printer.setFullPage(True)
is_landscape = False
if w > h:
is_landscape = True
printer.setOrientation(QtPrintSupport.QPrinter.Landscape)
else:
printer.setOrientation(QtPrintSupport.QPrinter.Portrait)
printer.setOutputFormat(QtPrintSupport.QPrinter.PdfFormat)
printer.setOutputFileName(path)
size = printer.pageLayout().pageSize().sizePoints()
if is_landscape:
pw, ph = size.height(), size.width()
else:
pw, ph = size.width(), size.height()
scale = min(pw / w, ph / h)
printer.setResolution(int(round(dpi / scale)))
ph = int(round(h * (pw / w)))
if is_landscape:
printer.setPageSize(
QtGui.QPageSize(QtCore.QSize(ph, pw),
units=QtGui.QPageSize.Point))
else:
printer.setPageSize(
QtGui.QPageSize(QtCore.QSize(pw, ph),
units=QtGui.QPageSize.Point))
painter = QtGui.QPainter(printer)
self.scene().render(painter, source=rect)
painter.end()
def boundingRect(self) -> QtCore.QRectF:
view = next(iter(self.scene().views()))
angle = self.line.angle()
fm = QtGui.QFontMetrics(self.font)
text = fm.boundingRect(self.text)
text = view.mapToScene(text).boundingRect()
# Corners above the text height
n1 = QtCore.QLineF(self.line.p2(), self.line.p1()).normalVector()
n2 = QtCore.QLineF(self.line.p1(), self.line.p2()).normalVector()
if 90 < angle < 270:
n1.setLength(text.height())
n2.setLength(-text.height())
else:
n1.setLength(-text.height())
n2.setLength(text.height())
poly = QtGui.QPolygonF([self.line.p1(), n1.p2(), n2.p2(), self.line.p2()])
w = view.mapToScene(QtCore.QRect(0, 0, 5, 1)).boundingRect().width()
return poly.boundingRect().marginsAdded(QtCore.QMarginsF(w, w, w, w))
def reset_scene(self):
rect = self.scene().itemsBoundingRect().marginsAdded(
QtCore.QMarginsF(10, 10, 10, 10))
self.setSceneRect(rect)
self.fitInView(rect, QtCore.Qt.KeepAspectRatio)
