def resizeEvent(self, _):
"""
@type _: QMouseEvent
@param _:
@return:
"""
self.surface.updateVideoRect()
self.update()
# Magnifier Glass
if self._interaction.magnifier and not self.dragPos.isNull():
draw.drawMagnifierOnVideo(self, self.dragPos, self.currentFrame(), self.painter)
def paintEvent(self, event):
''' Paint Event '''
self.gt = GetGCPGeoTransform()
self.painter = QPainter(self)
self.painter.setRenderHint(QPainter.HighQualityAntialiasing)
if (self.surface.isActive()):
videoRect = self.surface.videoRect()
if not videoRect.contains(event.rect()):
region = event.region()
region.subtracted(QRegion(videoRect))
brush = self.palette().window()
for rect in region.rects():
self.painter.fillRect(rect, brush)
try:
self.painter = self.surface.paint(self.painter)
except Exception:
None
else:
self.painter.fillRect(event.rect(), self.palette().window())
try:
SetImageSize(self.surface.currentFrame.width(),
self.surface.currentFrame.height())
except Exception:
None
# Draw On Video
draw.drawOnVideo(self.drawPtPos, self.drawLines, self.drawPolygon,
self.drawRuler, self.drawCesure, self.painter,
self.surface, self.gt)
# Magnifier Glass
if self.zoomed and self._interaction.magnifier:
draw.drawMagnifierOnVideo(self.width(), self.height(),
self.maskPixmap, self.dragPos,
self.zoomPixmap, self.surface,
self.painter, self.offset)
self.painter.end()
return
def paintEvent(self, event):
"""
@type event: QPaintEvent
@param event:
@return:
"""
if not self.surface.isActive():
return
self.painter = QPainter(self)
self.painter.setRenderHint(QPainter.HighQualityAntialiasing)
region = event.region()
self.painter.fillRect(region.boundingRect(), self.brush) # Background painter color
try:
self.surface.paint(self.painter)
SetImageSize(self.currentFrame().width(),
self.currentFrame().height())
except Exception:
None
# Prevent draw on video if not started or finished
if self.parent.player.position() == 0:
self.painter.end()
return
self.gt = GetGCPGeoTransform()
# Draw On Video
draw.drawOnVideo(self.drawPtPos, self.drawLines, self.drawPolygon,
self.drawMeasureDistance, self.drawMeasureArea, self.drawCesure, self.painter, self.surface, self.gt)
# Draw On Video Object tracking test
if self._interaction.objectTracking and self._isinit:
frame = convertQImageToMat(self.currentFrame())
offset = self.surface.videoRect()
# Update tracker
result = resize(frame, (offset.width(), offset.height()))
ok, bbox = self.tracker.update(result)
# Draw bounding box
if ok:
# check negative values
x = bbox[0] + offset.x()
y = bbox[1] + offset.y()
if vut.IsPointOnScreen(x, y, self.surface):
self.painter.setPen(self.blue_Pen)
self.painter.drawRect(x, y, bbox[2], bbox[3])
# Get Track object center
xc = x + (bbox[2] / 2)
yc = y + (bbox[3] / 2)
p = QPoint(xc, yc)
Longitude, Latitude, _ = vut.GetPointCommonCoords(
p, self.surface)
# Draw Rubber Band on canvas
self.Track_Canvas_RubberBand.addPoint(QgsPointXY(Longitude, Latitude))
else:
self._isinit = False
del self.tracker
# Magnifier Glass
if self._interaction.magnifier and not self.dragPos.isNull():
draw.drawMagnifierOnVideo(self, self.dragPos, self.currentFrame(), self.painter)
# Stamp On Video
if self._interaction.stamp:
draw.drawStampOnVideo(self, self.painter)
self.painter.end()
return