def paintEvent(self, e):
"""
Reimplement repaintEvent.
"""
self.voxels_painter = QPainter()
self.voxels_painter.begin(self)
if not self.image or not self.drawing:
background = self.background.copy()
blend = reduce(composition, self.model.rgba_list(self.n_slice), background)
image = qrgba2qimage(blend)
self.image = image
pm = QPixmap.fromImage(self.image)
pm = pm.scaled(pm.size() * self.model.get_scale_factor("grid"))
self.pm = pm
self.voxels_painter.drawPixmap(0, 0, pm, 0, 0, pm.size().width(), pm.size().height())
# draw voxels if necessary
if self.drawing and self.voxels:
self.draw_voxels(self.voxels)
# draw crosshair on picture
if self.model.display_cross() and self.is_current_slice():
scale = self.model.get_scale_factor("grid")
current_pos = self.model.get_cross_pos()
horizon_src = (current_pos[0] * scale, 0)
horizon_targ = (current_pos[0] * scale, self.pm.size().height())
self.voxels_painter.setPen(QColor(0, 255, 0, 255))
self.voxels_painter.drawLine(horizon_src[0], horizon_src[1], horizon_targ[0], horizon_targ[1])
vertical_src = (0, current_pos[1] * scale)
vertical_targ = (self.pm.size().width(), current_pos[1] * scale)
self.voxels_painter.drawLine(vertical_src[0], vertical_src[1], vertical_targ[0], vertical_targ[1])
self.voxels_painter.end()
def make_background(self):
"""
Create a whole black background.
"""
background = np.zeros((self.size().height(), self.size().width(), 3), dtype=np.uint8)
return qrgba2qimage(background)
def paintEvent(self, e):
"""
Reimplement paintEvent.
"""
self.is_painting = True
self.voxels_painter = QPainter()
self.voxels_painter.begin(self)
self._expanding_factor = self.holder.get_expanding_factor()
# composite volume picture
if not self.image or not self.drawing:
back_temp = np.zeros((self.model.getX(), self.model.getY(), 3),
dtype=np.uint8)
blend = reduce(composition, self.model.get_axial_rgba_list(),
back_temp)
image = qrgba2qimage(blend)
self.image = image
# draw black backgroud
self.background = self.make_background()
pm = QPixmap.fromImage(self.background)
self.voxels_painter.drawPixmap(0, 0, pm)
# draw volume picture
pm = QPixmap.fromImage(self.image)
self.pm = pm.scaled(pm.size() * self.model.get_scale_factor('orth') *
self._expanding_factor)
if not self.pic_src_point:
self.pic_src_point = self.center_src_point()
self.voxels_painter.drawPixmap(self.pic_src_point[0],
self.pic_src_point[1], self.pm)
# draw voxels if necessary
if self.drawing and self.holder.voxels:
self.draw_voxels(self.holder.voxels)
# draw cross line on picture
if self.model.display_cross():
scale = self.model.get_scale_factor(
'orth') * self._expanding_factor
current_pos = self.model.get_cross_pos()
horizon_src = (0, (current_pos[1] + 0.5) * scale + \
self.pic_src_point[1])
horizon_targ = (self.size().width(), (current_pos[1] + 0.5) * \
scale + self.pic_src_point[1])
self.voxels_painter.setPen(QColor(0, 255, 0, 255))
self.voxels_painter.drawLine(horizon_src[0], horizon_src[1],
horizon_targ[0], horizon_targ[1])
vertical_src = ((current_pos[0] + 0.5) * scale + \
self.pic_src_point[0],
0)
vertical_targ = ((current_pos[0] + 0.5) * scale + \
self.pic_src_point[0],
self.size().height())
self.voxels_painter.drawLine(vertical_src[0], vertical_src[1],
vertical_targ[0], vertical_targ[1])
self.voxels_painter.end()
self.is_painting = False
def make_background(self):
"""
Create a whole black background.
"""
background = np.zeros((self.size().height(), self.size().width(), 3),
dtype=np.uint8)
return qrgba2qimage(background)
def paintEvent(self, e):
"""
Reimplement paintEvent.
"""
self.is_painting = True
self.voxels_painter = QPainter()
self.voxels_painter.begin(self)
self._expanding_factor = self.holder.get_expanding_factor()
# composite volume picture
if not self.image or not self.drawing:
back_temp = np.zeros((self.model.getZ(), self.model.getX(), 3), dtype=np.uint8)
blend = reduce(composition, self.model.get_sagital_rgba_list(), back_temp)
image = qrgba2qimage(blend)
self.image = image
# draw black background
self.background = self.make_background()
pm = QPixmap.fromImage(self.background)
self.voxels_painter.drawPixmap(0, 0, pm)
# draw volume picture
pm = QPixmap.fromImage(self.image)
self.pm = pm.scaled(pm.size() * self.model.get_scale_factor("orth") * self._expanding_factor)
if not self.pic_src_point:
self.pic_src_point = self.center_src_point()
self.voxels_painter.drawPixmap(self.pic_src_point[0], self.pic_src_point[1], self.pm)
# draw voxels if necessary
if self.drawing and self.holder.voxels:
self.draw_voxels(self.holder.voxels)
# draw cross line on picture
if self.model.display_cross():
scale = self.model.get_scale_factor("orth") * self._expanding_factor
current_pos = self.model.get_cross_pos()
horizon_src = (0, (self.model.getZ() - 1 - current_pos[2]) * scale + self.pic_src_point[1])
horizon_targ = (
self.size().width(),
(self.model.getZ() - 1 - current_pos[2]) * scale + self.pic_src_point[1],
)
self.voxels_painter.setPen(QColor(0, 255, 0, 255))
self.voxels_painter.drawLine(horizon_src[0], horizon_src[1], horizon_targ[0], horizon_targ[1])
vertical_src = (current_pos[1] * scale + self.pic_src_point[0], 0)
vertical_targ = (current_pos[1] * scale + self.pic_src_point[0], self.size().height())
self.voxels_painter.drawLine(vertical_src[0], vertical_src[1], vertical_targ[0], vertical_targ[1])
self.voxels_painter.end()
self.is_painting = False
def paintEvent(self, e):
"""
Reimplement repaintEvent.
"""
self.voxels_painter = QPainter()
self.voxels_painter.begin(self)
if not self.image or not self.drawing:
background = self.background.copy()
blend = reduce(composition, self.model.rgba_list(self.n_slice),
background)
image = qrgba2qimage(blend)
self.image = image
pm = QPixmap.fromImage(self.image)
pm = pm.scaled(pm.size() * self.model.get_scale_factor('grid'))
self.pm = pm
self.voxels_painter.drawPixmap(0, 0, pm, 0, 0,
pm.size().width(),
pm.size().height())
# draw voxels if necessary
if self.drawing and self.voxels:
self.draw_voxels(self.voxels)
# draw crosshair on picture
if self.model.display_cross() and self.is_current_slice():
scale = self.model.get_scale_factor('grid')
current_pos = self.model.get_cross_pos()
horizon_src = ((current_pos[0] + 0.5) * scale, 0)
horizon_targ = ((current_pos[0] + 0.5) * scale,
self.pm.size().height())
self.voxels_painter.setPen(QColor(0, 255, 0, 255))
self.voxels_painter.drawLine(horizon_src[0], horizon_src[1],
horizon_targ[0], horizon_targ[1])
vertical_src = (0,
(self.model.getX() - current_pos[1] - 0.5) * scale)
vertical_targ = (self.pm.size().width(),
(self.model.getX() - current_pos[1] - 0.5) *
scale)
self.voxels_painter.drawLine(vertical_src[0], vertical_src[1],
vertical_targ[0], vertical_targ[1])
self.voxels_painter.end()
