def paintEvent(self, event):
"""QToolBar.paintEvent reimplementation
Draws buttons, dock icon and text
"""
rect = self._spacer.rect()
painter = QPainter(self)
transform = QTransform()
transform.translate(self._spacer.pos().x(), self._spacer.pos().y())
painter.setTransform(transform)
""" Not supported currently
if self._dock.features() & QDockWidget.DockWidgetVerticalTitleBar :
transform = QTransform()
rect.setSize(QSize(rect.height(), rect.width()))
transform.rotate(-90)
transform.translate(-rect.width(), 0)
painter.setTransform(transform)
"""
# icon / title
optionB = QStyleOptionButton()
optionB.initFrom(self._dock)
optionB.rect = rect
optionB.text = self._dock.windowTitle()
optionB.iconSize = self.iconSize()
optionB.icon = self._dock.windowIcon()
self.style().drawControl(QStyle.CE_PushButtonLabel, optionB, painter,
self._dock)
def scene_bbox(item, view=None):
"""
Returns the bounding box of an item in scene space.
If view is given and the object has the
QGraphicsItem::ItemIgnoresTransformations flag set, additional steps are
taken to compute the exact bounding box of the item.
"""
bbox = item.boundingRect()
if not (item.flags() & QGraphicsItem.ItemIgnoresTransformations):
# Normal item, simply map its bounding box to scene space
bbox = item.mapRectToScene(bbox)
else:
# Item with the ItemIgnoresTransformations flag, need to compute its
# bounding box with deviceTransform()
if view is not None:
vp_trans = view.viewportTransform()
else:
vp_trans = QTransform()
item_to_vp_trans = item.deviceTransform(vp_trans)
# Map bbox to viewport space
bbox = item_to_vp_trans.mapRect(bbox)
# Map bbox back to scene space
bbox = vp_trans.inverted()[0].mapRect(bbox)
return bbox
class Curve1(Curve):
def __init__(self):
Curve.__init__(self)
self.setPen( QColor( 150, 150, 200 ), 2 )
self.setStyle( Qwt.QwtPlotCurve.Lines )
curveFitter = Qwt.QwtSplineCurveFitter()
curveFitter.setSplineSize( 150 )
self.setCurveFitter( curveFitter )
self.setCurveAttribute( Qwt.QwtPlotCurve.Fitted, True )
symbol = Qwt.QwtSymbol( Qwt.QwtSymbol.XCross )
symbol.setPen( Qt.yellow )
symbol.setSize( 7 )
self.setSymbol( symbol )
# somewhere to the left
self.transform = QTransform()
self.transform.scale( 1.5, 1.0 );
self.transform.translate( 1.5, 3.0 );
self.setTransformation( self.transform )
def points(self, phase ):
pnts = QPolygonF()
numSamples = 15;
for i in range(numSamples):
v = 6.28 * i / ( numSamples - 1 )
pnts += QPointF( math.sin( v - phase ), v )
return pnts
def updateSamples( self, phase ):
self.setSamples( self.d_transform.map( self.points( phase )))
def get_nametag(char_id, x, y, color, vertical = False):
w = IMG_W
h = IMG_H
nametag = get_char_name(char_id, common.editor_config.data01_dir)
if nametag == None:
nametag = "NAMETAG MISSING"
if vertical:
nametag_img = QImage(h, w, QImage.Format_ARGB32_Premultiplied)
new_x = h - y
new_y = x
x = new_x
y = new_y
else:
nametag_img = QImage(w, h, QImage.Format_ARGB32_Premultiplied)
format = TextFormat(x = x, y = y, w = 25, h = 25, align = TEXT_ALIGN.left, orient = TEXT_ORIENT.hor, clt = 0)
nametag_img = print_text(nametag_img, nametag, None, format = format, mangle = False)
if vertical:
matrix = QTransform()
matrix.rotate(-90)
nametag_img = nametag_img.transformed(matrix)
nametag_img = replace_all_colors(nametag_img, color)
return nametag_img
def paintEvent(self, event ):
"""QToolBar.paintEvent reimplementation
Draws buttons, dock icon and text
"""
rect = self._spacer.rect()
painter = QPainter( self )
transform = QTransform()
transform.translate(self._spacer.pos().x(), self._spacer.pos().y())
painter.setTransform( transform )
""" Not supported currently
if self._dock.features() & QDockWidget.DockWidgetVerticalTitleBar :
transform = QTransform()
rect.setSize( QSize( rect.height(), rect.width() ) )
transform.rotate( -90 )
transform.translate( -rect.width(), 0 )
painter.setTransform( transform )
"""
# icon / title
optionB = QStyleOptionButton()
optionB.initFrom( self._dock )
optionB.rect = rect
optionB.text = self._dock.windowTitle()
optionB.iconSize = self.iconSize()
optionB.icon = self._dock.windowIcon()
self.style().drawControl( QStyle.CE_PushButtonLabel, optionB, painter, self._dock )
def updateZoom(self, zx, zy):
trans = QTransform()
trans.scale(1.0 / zx, 1.0 / zy)
# self.setTransform( trans )
self.VP.setTransform(trans)
self.preBP.setTransform(trans)
self.postBP.setTransform(trans)
self.updateTPPos()
def updateTransfrom( self ): if self.updating : return self.updating = True trans = QTransform() trans.translate( self.valueToX( -self.scrollX ) + self.offsetX, self.valueToY( -self.scrollY ) ) self.setTransform( trans ) self.update() self.updating = False
def setZoom( self, x, y ): self.zx = x self.zy = y trans = QTransform() trans.scale( self.zx, self.zy ) self.setTransform( trans ) for vert in self.vertItems: vert.updateZoom( self.zx, self.zy )
def updateZoom( self, zx, zy ): trans = QTransform() trans.scale( 1.0/zx, 1.0/zy ) # self.setTransform( trans ) self.VP.setTransform( trans ) self.preBP.setTransform( trans ) self.postBP.setTransform( trans ) self.updateTPPos()
def setZoom(self, x, y):
self.zx = x
self.zy = y
trans = QTransform()
trans.scale(self.zx, self.zy)
self.setTransform(trans)
for vert in self.vertItems:
vert.updateZoom(self.zx, self.zy)
def testData2Scene(self):
t = Tiling((0, 0))
trans = QTransform()
t.data2scene = trans
self.assertEquals(trans, t.data2scene)
# try using transformation that is not invertible
trans = QTransform(1, 1, 1, 1, 1, 1)
with self.assertRaises(AssertionError):
t.data2scene = trans
def updateTransfrom(self):
if self.updating: return
self.updating = True
trans = QTransform()
trans.translate(
self.valueToX(-self.scrollX) + self.offsetX,
self.valueToY(-self.scrollY))
self.setTransform(trans)
self.update()
self.updating = False
def setLeftHanded(self, bValue):
"""Configure the neck as left or right-handed.
bValue -- bool, if True, mirror the neck
Return None.
"""
if bValue:
self.setTransform(QTransform().scale(-1, 1))
else:
self.setTransform(QTransform().scale(1, 1))
def _refreshTile( self, stack_id, tile_no, prefetch=False ):
if not self.axesSwapped:
transform = QTransform(0,1,0,1,0,0,1,1,1)
else:
transform = QTransform().rotate(90).scale(1,-1)
transform *= self.tiling.data2scene
try:
if self._cache.tileDirty( stack_id, tile_no ):
if not prefetch:
self._cache.setTileDirty(stack_id, tile_no, False)
img = self._renderTile( stack_id, tile_no )
self._cache.setTile(stack_id, tile_no, img,
self._sims.viewVisible(),
self._sims.viewOccluded())
# refresh dirty layer tiles
for ims in self._sims.viewImageSources():
if self._cache.layerDirty(stack_id, ims, tile_no) \
and not self._sims.isOccluded(ims) \
and self._sims.isVisible(ims):
rect = self.tiling.imageRects[tile_no]
dataRect = self.tiling.scene2data.mapRect(rect)
ims_req = ims.request(dataRect, stack_id[1])
if ims.direct and not prefetch:
# The ImageSource 'ims' is fast (it has the
# direct flag set to true) so we process
# the request synchronously here. This
# improves the responsiveness for layers
# that have the data readily available.
start = time.time()
img = ims_req.wait()
img = img.transformed(transform)
stop = time.time()
ims._layer.timePerTile(stop-start,
self.tiling.imageRects[tile_no])
self._cache.updateTileIfNecessary(
stack_id, ims, tile_no, time.time(), img )
img = self._renderTile( stack_id, tile_no )
self._cache.setTile(stack_id, tile_no,
img, self._sims.viewVisible(),
self._sims.viewOccluded() )
else:
pool = get_render_pool()
pool.submit(prefetch, time.time(),
self, ims, transform, tile_no,
stack_id, ims_req, self._cache)
except KeyError:
pass
def transform(self):
try:
return self.__dict__['transform'] if self.scale else QTransform()
except KeyError:
transform = QTransform()
image = self.client.image
if image is not None and not image.isNull():
scale = min(self.width()/image.width(), self.height()/image.height())
transform.translate((self.width() - image.width()*scale)/2, (self.height() - image.height()*scale)/2)
transform.scale(scale, scale)
transform = self.__dict__.setdefault('transform', transform)
return transform
def __init__(self, undo_stack, delete_act, sel_actions, *args):
"""
Constructor
"""
params = parameters.instance
QGraphicsScene.__init__(self, *args)
self.delete_act = delete_act
self.undo_stack = undo_stack
self.data_manager = None
self._mode = None
self.link = None
self.image_path = None
self.image_name = None
self.background_image = None
self.template = TemplateItem()
self.template.setPos(QPointF(0, 0))
self.template.setVisible(params.show_template)
self.show_template = False
self.points = {}
self.cells = {}
self._real_scene_rect = QRectF()
params.pointParameterChange.connect(self.updatePoints)
params.cellParameterChange.connect(self.updateCells)
params.searchParameterChange.connect(self.updateTemplate)
self.had_selection = None
self.selectionChanged.connect(self.updateSelectionActions)
self.current_data = None
self.back_matrix = QTransform()
self.invert_back_matrix = QTransform()
self.clear()
popup = QMenu("Scene menu")
validate_cell_act = popup.addAction("Validate cell", self.validateCell)
validate_cell_act.setVisible(False)
self._validate_cell_act = validate_cell_act
lifespan_act = popup.addAction("Change cell lifespan", self.changeLifespan)
lifespan_act.setVisible(False)
self.lifespan_act = lifespan_act
make_starshape_act = popup.addAction("Make cell star shaped", self.makeCellStarshaped)
make_starshape_act.setVisible(False)
self.make_starshape_act = make_starshape_act
sel = popup.addMenu("Selection")
for act in sel_actions:
if act == "-":
sel.addSeparator()
else:
sel.addAction(act)
popup.addAction(delete_act)
self._popup = popup
self._sel_rect = None
self._sel_first_pt = None
self._current_cell = None
self._first_point = None
self.mode = TrackingScene.Pan
def __updateText(self):
self.prepareGeometryChange()
if self.__sourceName or self.__sinkName:
if self.__sourceName != self.__sinkName:
text = u"{0} \u2192 {1}".format(self.__sourceName,
self.__sinkName)
else:
# If the names are the same show only one.
# Is this right? If the sink has two input channels of the
# same type having the name on the link help elucidate
# the scheme.
text = self.__sourceName
else:
text = ""
self.linkTextItem.setPlainText(text)
path = self.curveItem.path()
if not path.isEmpty():
center = path.pointAtPercent(0.5)
angle = path.angleAtPercent(0.5)
brect = self.linkTextItem.boundingRect()
transform = QTransform()
transform.translate(center.x(), center.y())
transform.rotate(-angle)
# Center and move above the curve path.
transform.translate(-brect.width() / 2, -brect.height())
self.linkTextItem.setTransform(transform)
def ellipse_path(center, a, b, rotation=0):
if not isinstance(center, QPointF):
center = QPointF(*center)
brect = QRectF(-a, -b, 2 * a, 2 * b)
path = QPainterPath()
path.addEllipse(brect)
if rotation != 0:
transform = QTransform().rotate(rotation)
path = transform.map(path)
path.translate(center)
return path
def ellipse_path(center, a, b, rotation=0):
if not isinstance(center, QPointF):
center = QPointF(*center)
brect = QRectF(-a, -b, 2 * a, 2 * b)
path = QPainterPath()
path.addEllipse(brect)
if rotation != 0:
transform = QTransform().rotate(rotation)
path = transform.map(path)
path.translate(center)
return path
def trigger(self, ui):
"""
Trigger this animation
"""
glyph = [
glyph for glyph in ui.scene.items()
if hasattr(glyph, 'entity') and glyph.entity == self.mover
][0]
if self.direction in (2, 3, 4):
self.flipped = True
self.offset = 32
if self.direction in (6, 7, 8):
self.flipped = False
self.offset = 0
if self.flipped:
glyph.flipped = True
glyph.setTransform(QTransform.fromScale(-1, 1))
else:
glyph.flipped = False
glyph.setTransform(QTransform.fromScale(1, 1))
if glyph.entity.artificial_intelligence:
adapter = MapGlyphAdapter(ui, glyph)
else:
adapter = MapGlyphAdapter(ui, glyph, True)
animation = QParallelAnimationGroup()
move_y = QPropertyAnimation(adapter, 'y_location')
move_y.setDuration(100)
move_y.setStartValue(self.start[1] * 32)
move_y.setEndValue(self.destination[1] * 32)
move_x = QPropertyAnimation(adapter, 'x_location')
move_x.setDuration(100)
move_x.setStartValue(self.start[0] * 32 + self.offset)
move_x.setEndValue(self.destination[0] * 32 + self.offset)
animation.addAnimation(move_y)
animation.addAnimation(move_x)
ui.animations.append(animation)
animation.finished.connect(ui.remove_finished_animation)
animation.start()
def __init__(self, *args, **kwargs):
QDockWidget.__init__(self, *args, **kwargs)
self.__expandedWidget = None
self.__collapsedWidget = None
self.__expanded = True
self.__trueMinimumWidth = -1
self.setFeatures(QDockWidget.DockWidgetClosable | \
QDockWidget.DockWidgetMovable)
self.setAllowedAreas(Qt.LeftDockWidgetArea | Qt.RightDockWidgetArea)
self.featuresChanged.connect(self.__onFeaturesChanged)
self.dockLocationChanged.connect(self.__onDockLocationChanged)
# Use the toolbar horizontal extension button icon as the default
# for the expand/collapse button
pm = self.style().standardPixmap(
QStyle.SP_ToolBarHorizontalExtensionButton
)
# Rotate the icon
transform = QTransform()
transform.rotate(180)
pm_rev = pm.transformed(transform)
self.__iconRight = QIcon(pm)
self.__iconLeft = QIcon(pm_rev)
close = self.findChild(QAbstractButton,
name="qt_dockwidget_closebutton")
close.installEventFilter(self)
self.__closeButton = close
self.__stack = AnimatedStackedWidget()
self.__stack.setSizePolicy(QSizePolicy.Fixed,
QSizePolicy.Expanding)
self.__stack.transitionStarted.connect(self.__onTransitionStarted)
self.__stack.transitionFinished.connect(self.__onTransitionFinished)
QDockWidget.setWidget(self, self.__stack)
self.__closeButton.setIcon(self.__iconLeft)
def setImageMove(self, scale, pos, angle):
log_debug("New scale = %s" % (scale,))
self.scale = scale
self.min_scale = self.data_manager.minScale()
self.img_scale = (scale[0]/self.min_scale, scale[1]/self.min_scale)
back_matrix = QTransform()
back_matrix.scale(*self.img_scale)
back_matrix.translate(pos.x(), pos.y())
back_matrix.rotate(angle)
self.back_matrix = back_matrix
rect = back_matrix.mapRect(QRectF(self.background_image.rect()))
inv, ok = back_matrix.inverted()
if not ok:
raise ValueError("The movement is not invertible !?!")
self.invert_back_matrix = inv
self.real_scene_rect = rect
def add_line(self, cord_1, cord_2, color):
key = tuple(sorted([tuple(cord_1), tuple(cord_2)]))
x = min(cord_1[0], cord_2[0])
y = min(cord_1[1], cord_2[1])
if key in self.lines:
print("ERROR: Line between {} and {} already added.".format(
cord_1, cord_2))
else:
line = QLabel(self)
if color == "white":
pixmap = QPixmap(get_asset_path("hor_line_white"))
else:
pixmap = QPixmap(get_asset_path("hor_line_black"))
c1 = (30 + cord_1[0] * 30, 30 + cord_1[1] * 30)
c2 = (30 + cord_2[0] * 30, 30 + cord_2[1] * 30)
length = ((c1[0] - c2[0])**2 + (c1[1] - c2[1])**2)**(1 / 2)
angle = math.degrees(
math.atan2(key[1][1] - key[0][1], key[1][0] - key[0][0]))
pixmap = pixmap.scaled(length, 5)
pixmap = pixmap.transformed(QTransform().rotate(angle))
line.setPixmap(pixmap)
line.move(30 + x * 30, 30 + y * 30)
line.show()
line.lower()
self.lines[key] = line
def paint(self, painter, option, widget):
params = parameters.instance
tr = painter.worldMatrix()
saved = False
scale = self.scale
ms = min(scale)
if tr.m11() < 1 / scale[0] or tr.m12() < 1 / scale[1]:
painter.save()
saved = True
dx = tr.dx()
dy = tr.dy()
painter.setWorldTransform(
QTransform(1 / scale[0], 0, 0, 1 / scale[1], dx, dy))
if self.hover:
pen_color = params.old_point_matching_color
else:
pen_color = params.old_point_color
half_size = params.old_point_size / 2.
pen = QPen(pen_color)
pen.setWidth(params.old_point_thickness * ms)
painter.setPen(pen)
painter.drawLine(0, -half_size * scale[1], 0, half_size * scale[1])
painter.drawLine(-half_size * scale[0], 0, half_size * scale[0], 0)
if saved:
painter.restore()
def data(self, index, role):
if not index.isValid():
return QVariant()
if index.row() >= len(self.list):
return QVariant()
if role == Qt.DecorationRole:
card = self.list[index.row()]
pixmap = card.pixmap()
pixmap = pixmap.scaledToHeight(self.preferredCardHeight)
if card.tapped:
transform = QTransform()
transform.rotate(90)
pixmap = pixmap.transformed(transform)
return pixmap
return QVariant()
def __init__(self,
sliceShape,
data2scene=QTransform(),
blockSize=256,
overlap=0,
overlap_draw=1e-3,
name="Unnamed Tiling"):
self.blockSize = blockSize
self.overlap = overlap
self._patchAccessor = PatchAccessor(sliceShape[0],
sliceShape[1],
blockSize=self.blockSize)
self._overlap_draw = overlap_draw
self._overlap = overlap
numPatches = self._patchAccessor.patchCount
self.imageRectFs = [None] * numPatches
self.dataRectFs = [None] * numPatches
self.tileRectFs = [None] * numPatches
self.imageRects = [None] * numPatches
self.dataRects = [None] * numPatches
self.tileRects = [None] * numPatches
self.sliceShape = sliceShape
self.name = name
self.data2scene = data2scene
def rotateCenter(item, angle):
"""rotates a QGraphicsItem around its center"""
center = item.boundingRect().center()
centerX, centerY = center.x() * item.scale(), center.y() * item.scale()
item.setTransform(QTransform().translate(
centerX, centerY).rotate(angle).translate(-centerX, -centerY))
return item
def __init__(self,parent, font_name, font_size, font_height, w,h, colorscheme):
super().__init__(parent)
self.setFocusPolicy(Qt.WheelFocus)
self.setAutoFillBackground(False)
self.setAttribute(Qt.WA_OpaquePaintEvent, True)
self.setCursor(Qt.IBeamCursor)
font = QFont(font_name)
font.setPixelSize(font_size)
self.setFont(font)
self._screen = []
self._text = []
self._transform= QTransform()
self._cursor_col = 0
self._cursor_row = 0
self._dirty = False
self._kbdfunc= None
self._w=w
self._h=h
self._alt_sequence= False
self._alt_seq_length=0
self._alt_seq_value=0
self._cursortype= CURSOR_OFF
self._color_scheme=self.color_schemes[self.color_scheme_names[colorscheme]]
self._cursor_color=self._color_scheme[2]
self._cursor_char= 0x20
self._cursor_attr=-1
self._cursor_update=True
self._blink= True
self._blink_counter=0
self._cursor_rect = QRect(0, 0, self._char_width, self._char_height)
self._cursor_polygon=QPolygon([QPoint(0,0+(self._char_height/2)), QPoint(0+(self._char_width*0.8),0+self._char_height), QPoint(0+(self._char_width*0.8),0+(self._char_height*0.67)), QPoint(0+self._char_width,0+(self._char_height*0.67)), QPoint(0+self._char_width,0+(self._char_height*0.33)), QPoint(0+(self._char_width*0.8),0+(self._char_height*0.33)), QPoint(0+(self._char_width*0.8),0), QPoint(0,0+(self._char_height/2))])
def __init__(self, sliceShape, data2scene=QTransform(),
blockSize=512, overlap=0, overlap_draw=1e-3,
name="Unnamed Tiling"):
"""
Args:
sliceShape -- (width, height)
data2scene -- QTransform from data to image coordinates (default:
identity transform)
blockSize -- base tile size: blockSize x blockSize (default 256)
overlap -- overlap between tiles positive number prevents rendering
artifacts between tiles for certain zoom levels (default 1)
"""
self.blockSize = blockSize
self.overlap = overlap
self._patchAccessor = PatchAccessor(sliceShape[0],
sliceShape[1],
blockSize=self.blockSize)
self._overlap_draw = overlap_draw
self._overlap = overlap
numPatches = self._patchAccessor.patchCount
self.imageRectFs = [None]*numPatches
self.dataRectFs = [None]*numPatches
self.tileRectFs = [None]*numPatches
self.imageRects = [None]*numPatches
self.dataRects = [None]*numPatches
self.tileRects = [None]*numPatches
self.sliceShape = sliceShape
self.name = name
self.data2scene = data2scene
def updateStandardIcons(self):
size = QSize(16, 16)
rect = QRect(QPoint(), self.iconSize())
transform = QTransform()
transform.rotate(90)
pixmap = self.style().standardIcon(QStyle.SP_TitleBarNormalButton, None, self.widgetForAction(self.aFloat)).pixmap(size)
rect.moveCenter(pixmap.rect().center())
pixmap = pixmap.copy(rect)
self.aFloat.setIcon(QIcon(pixmap))
pixmap = self.style().standardIcon(QStyle.SP_TitleBarCloseButton, None, self.widgetForAction(self.aClose)).pixmap(size)
rect.moveCenter(pixmap.rect().center())
pixmap = pixmap.copy(rect)
self.aClose.setIcon(QIcon(pixmap))
def _resetIcon(self):
if self._swapped:
pixmap = self._pixmap_swapped
else:
pixmap = self._orig_pixmap
transform = QTransform().rotate(self._rotation * 90)
self.setPixmap(pixmap.transformed(transform))
def trigger(self, ui):
"""
Trigger this animation
"""
glyph = [glyph for glyph in ui.scene.items()
if hasattr(glyph, 'entity') and glyph.entity == self.mover][0]
if self.direction in (2, 3, 4):
self.flipped = True
self.offset = 32
if self.direction in (6, 7, 8):
self.flipped = False
self.offset = 0
if self.flipped:
glyph.flipped = True
glyph.setTransform(QTransform.fromScale(-1, 1))
else:
glyph.flipped = False
glyph.setTransform(QTransform.fromScale(1, 1))
if glyph.entity.artificial_intelligence:
adapter = MapGlyphAdapter(ui, glyph)
else:
adapter = MapGlyphAdapter(ui, glyph, True)
animation = QParallelAnimationGroup()
move_y = QPropertyAnimation(adapter, 'y_location')
move_y.setDuration(100)
move_y.setStartValue(self.start[1] * 32)
move_y.setEndValue(self.destination[1] * 32)
move_x = QPropertyAnimation(adapter, 'x_location')
move_x.setDuration(100)
move_x.setStartValue(self.start[0] * 32 + self.offset)
move_x.setEndValue(self.destination[0] * 32 + self.offset)
animation.addAnimation(move_y)
animation.addAnimation(move_x)
ui.animations.append(animation)
animation.finished.connect(ui.remove_finished_animation)
animation.start()
def updatePixmap(self):
path = _PATH + os.sep + "assets" + os.sep + self._base_image
self.__pixmap = QPixmap(path)
self.__pixmap = self.__pixmap.scaled(self.__pixmap.width() * _SCALE,
self.__pixmap.height() * _SCALE)
self.__pixmap = self.__pixmap.transformed(QTransform().rotate(
self.angle))
self._base_label.setPixmap(self.__pixmap)
def resizeEvent(self, event):
w = self.view.width() - 10
h = self.view.height() - 10
transform = QTransform.fromScale(w, h)
self.view.setTransform(transform)
QWidget.resizeEvent(self, event)
def updatePixmap(self):
path = get_asset_path(self._base_image)
self.__pixmap = QPixmap(path)
self.__pixmap = self.__pixmap.scaled(self._size[0], self._size[1])
self.__pixmap = self.__pixmap.transformed(QTransform().rotate(
self.angle))
self._base_label.setPixmap(self.__pixmap)
self._base_label.show()
def _define_symbols():
"""
Add symbol ? to ScatterPlotItemSymbols,
reflect the triangle to point upwards
"""
symbols = pyqtgraph.graphicsItems.ScatterPlotItem.Symbols
path = QPainterPath()
path.addEllipse(QRectF(-0.35, -0.35, 0.7, 0.7))
path.moveTo(-0.5, 0.5)
path.lineTo(0.5, -0.5)
path.moveTo(-0.5, -0.5)
path.lineTo(0.5, 0.5)
symbols["?"] = path
tr = QTransform()
tr.rotate(180)
symbols['t'] = tr.map(symbols['t'])
def flip_vt(self):
for obj in self.childItems():
rect = obj.boundingRect()
x = rect.width() / 2
y = rect.height() / 2
obj.setTransform(QTransform().translate(x, y).scale(1,
-1).translate(
-x, -y))
def _define_symbols():
"""
Add symbol ? to ScatterPlotItemSymbols,
reflect the triangle to point upwards
"""
symbols = pyqtgraph.graphicsItems.ScatterPlotItem.Symbols
path = QPainterPath()
path.addEllipse(QRectF(-0.35, -0.35, 0.7, 0.7))
path.moveTo(-0.5, 0.5)
path.lineTo(0.5, -0.5)
path.moveTo(-0.5, -0.5)
path.lineTo(0.5, 0.5)
symbols["?"] = path
tr = QTransform()
tr.rotate(180)
symbols['t'] = tr.map(symbols['t'])
def _fetch_tile_layer(self, timestamp, ims, transform, tile_nr, stack_id, ims_req, cache):
"""
Fetch a single tile from a layer (ImageSource).
Parameters
----------
timestamp
The timestamp at which ims_req was created
ims
The layer (image source) we're fetching from
transform
The transform to apply to the fetched data, before storing it in the cache
tile_nr
The ID of the fetched tile
stack_id
The stack ID of the tile we're fetching (e.g. which T-slice and Z-slice this tile belongs to)
ims_req
A request object (e.g. GrayscaleImageRequest) with a wait() method that produces an item of
the appropriate type for the layer (i.e. either a QImage or a QGraphicsItem)
cache
The value of self._cache at the time the ims_req was created.
(The cache can be replaced occasionally. See TileProvider._onSizeChanged().)
"""
try:
try:
with cache:
layerTimestamp = cache.layerTimestamp(stack_id, ims, tile_nr)
except KeyError:
# May not be a timestamp yet (especially when prefetching)
layerTimestamp = 0
tile_rect = QRectF( self.tiling.imageRects[tile_nr] )
if timestamp > layerTimestamp:
img = ims_req.wait()
if isinstance(img, QImage):
img = img.transformed(transform)
elif isinstance(img, QGraphicsItem):
# FIXME: It *seems* like applying the same transform to QImages and QGraphicsItems
# makes sense here, but for some strange reason it isn't right.
# For QGraphicsItems, it seems obvious that this is the correct transform.
# I do not understand the formula that produces 'transform', which is used for QImage tiles.
img.setTransform(QTransform.fromTranslate(tile_rect.left(), tile_rect.top()), combine=True)
img.setTransform(self.tiling.data2scene, combine=True)
else:
assert False, "Unexpected image type: {}".format( type(img) )
with cache:
try:
cache.updateTileIfNecessary(stack_id, ims, tile_nr, timestamp, img)
except KeyError:
pass
if stack_id == self._current_stack_id \
and cache is self._cache:
self.sceneRectChanged.emit( tile_rect )
except BaseException:
sys.excepthook( *sys.exc_info() )
def _fetch_tile_layer(self, timestamp, ims, transform, tile_nr, stack_id, ims_req, cache):
"""
Fetch a single tile from a layer (ImageSource).
Parameters
----------
timestamp
The timestamp at which ims_req was created
ims
The layer (image source) we're fetching from
transform
The transform to apply to the fetched data, before storing it in the cache
tile_nr
The ID of the fetched tile
stack_id
The stack ID of the tile we're fetching (e.g. which T-slice and Z-slice this tile belongs to)
ims_req
A request object (e.g. GrayscaleImageRequest) with a wait() method that produces an item of
the appropriate type for the layer (i.e. either a QImage or a QGraphicsItem)
cache
The value of self._cache at the time the ims_req was created.
(The cache can be replaced occasionally. See TileProvider._onSizeChanged().)
"""
try:
try:
with cache:
layerTimestamp = cache.layerTimestamp(stack_id, ims, tile_nr)
except KeyError:
# May not be a timestamp yet (especially when prefetching)
layerTimestamp = 0
tile_rect = QRectF( self.tiling.imageRects[tile_nr] )
if timestamp > layerTimestamp:
img = ims_req.wait()
if isinstance(img, QImage):
img = img.transformed(transform)
elif isinstance(img, QGraphicsItem):
# FIXME: It *seems* like applying the same transform to QImages and QGraphicsItems
# makes sense here, but for some strange reason it isn't right.
# For QGraphicsItems, it seems obvious that this is the correct transform.
# I do not understand the formula that produces 'transform', which is used for QImage tiles.
img.setTransform(QTransform.fromTranslate(tile_rect.left(), tile_rect.top()), combine=True)
img.setTransform(self.tiling.data2scene, combine=True)
else:
assert False, "Unexpected image type: {}".format( type(img) )
with cache:
try:
cache.updateTileIfNecessary(stack_id, ims, tile_nr, timestamp, img)
except KeyError:
pass
if stack_id == self._current_stack_id \
and cache is self._cache:
self.sceneRectChanged.emit( tile_rect )
except BaseException:
sys.excepthook( *sys.exc_info() )
def __updateText(self):
self.prepareGeometryChange()
if self.__sourceName or self.__sinkName:
if self.__sourceName != self.__sinkName:
text = u"{0} \u2192 {1}".format(self.__sourceName,
self.__sinkName)
else:
# If the names are the same show only one.
# Is this right? If the sink has two input channels of the
# same type having the name on the link help elucidate
# the scheme.
text = self.__sourceName
else:
text = ""
self.linkTextItem.setPlainText(text)
path = self.curveItem.path()
if not path.isEmpty():
center = path.pointAtPercent(0.5)
angle = path.angleAtPercent(0.5)
brect = self.linkTextItem.boundingRect()
transform = QTransform()
transform.translate(center.x(), center.y())
transform.rotate(-angle)
# Center and move above the curve path.
transform.translate(-brect.width() / 2, -brect.height())
self.linkTextItem.setTransform(transform)
def _newAxes(self):
"""Given self._rotation and self._swapped, calculates and sets
the appropriate data2scene transformation.
"""
# TODO: this function works, but it is not elegant. There must
# be a simpler way to calculate the appropriate tranformation.
w, h = self.dataShape
assert self._rotation in range(0, 4)
# unlike self._rotation, the local variable 'rotation'
# indicates how many times to rotate clockwise after swapping
# axes.
# t1 : do axis swap
t1 = QTransform()
if self._swapped:
t1 = QTransform(0, 1, 0, 1, 0, 0, 0, 0, 1)
h, w = w, h
# t2 : do rotation
t2 = QTransform()
t2.rotate(self._rotation * 90)
# t3: shift to re-center
rot2trans = {0: (0, 0), 1: (h, 0), 2: (w, h), 3: (0, w)}
trans = rot2trans[self._rotation]
t3 = QTransform.fromTranslate(*trans)
self.data2scene = t1 * t2 * t3
if self._tileProvider:
self._tileProvider.axesSwapped = self._swapped
self.axesChanged.emit(self._rotation, self._swapped)
def mappedPolygon( self, polygon, path = None, percent = 0.5 ):
"""
Maps the inputed polygon to the inputed path \
used when drawing items along the path. If no \
specific path is supplied, then this object's own \
path will be used. It will rotate and move the \
polygon according to the inputed percentage.
:param polygon <QPolygonF>
:param path <QPainterPath>
:param percent <float>
:return <QPolygonF> mapped_poly
"""
translatePerc = percent
anglePerc = percent
# we don't want to allow the angle percentage greater than 0.85
# or less than 0.05 or we won't get a good rotation angle
if ( 0.95 <= anglePerc ):
anglePerc = 0.98
elif ( anglePerc <= 0.05 ):
anglePerc = 0.05
if ( not path ):
path = self.path()
if ( not (path and path.length()) ):
return QPolygonF()
# transform the polygon to the path
point = path.pointAtPercent(translatePerc)
angle = path.angleAtPercent(anglePerc)
# rotate about the 0 axis
transform = QTransform().rotate(-angle)
polygon = transform.map(polygon)
# move to the translation point
transform = QTransform().translate(point.x(), point.y())
# create the rotated polygon
mapped_poly = transform.map(polygon)
self._polygons.append(mapped_poly)
return mapped_poly
def saveSlice(self, filename):
"""Legacy code."""
#print "Saving in ", filename, "slice #", self.sliceNumber, "axis", self._axis
result_image = QImage(self.scene().image.size(), self.scene().image.format())
p = QPainter(result_image)
for patchNr in range(self.patchAccessor.patchCount):
bounds = self.patchAccessor.getPatchBounds(patchNr)
if self.openglWidget is None:
p.drawImage(0, 0, self.scene().image)
else:
p.drawImage(bounds[0], bounds[2], self.imagePatches[patchNr])
p.end()
#horrible way to transpose an image. but it works.
transform = QTransform()
transform.rotate(90)
result_image = result_image.mirrored()
result_image = result_image.transformed(transform)
result_image.save(QString(filename))
def rotate(self, rotation):
"rotates item over its own center"
for obj in self.childItems():
if hasattr(obj, "rotable") and obj.rotable:
rect = obj.boundingRect()
x = rect.width() / 2
y = rect.height() / 2
obj.setTransform(QTransform().translate(
x, y).rotate(rotation).translate(-x, -y))
def _updateLayout(self):
rect = self.geometry()
n = len(self._items)
if not n:
return
regions = venn_diagram(n, shape=self.shapeType)
# The y axis in Qt points downward
transform = QTransform().scale(1, -1)
regions = list(map(transform.map, regions))
union_brect = reduce(QRectF.united,
(path.boundingRect() for path in regions))
scalex = rect.width() / union_brect.width()
scaley = rect.height() / union_brect.height()
scale = min(scalex, scaley)
transform = QTransform().scale(scale, scale)
regions = [transform.map(path) for path in regions]
center = rect.width() / 2, rect.height() / 2
for item, path in zip(self.items(), regions):
item.setPath(path)
item.setPos(*center)
intersections = venn_intersections(regions)
assert len(intersections) == 2 ** n
assert len(self.vennareas()) == 2 ** n
anchors = [(0, 0)] + subset_anchors(self._items)
anchor_transform = QTransform().scale(rect.width(), -rect.height())
for i, area in enumerate(self.vennareas()):
area.setPath(intersections[setkey(i, n)])
area.setPos(*center)
x, y = anchors[i]
anchor = anchor_transform.map(QPointF(x, y))
area.setTextAnchor(anchor)
area.setZValue(30)
self._updateTextAnchors()
def inicializarUI(self):
self.setWindowTitle("BlueKing::Reversa")
self.setGeometry(0,0,320,240)
self.setAutoFillBackground(True)
#QGraphicsView/Scene
self.view = QGraphicsView()
self.view.setStyleSheet("border: 0px;margin: 0px;background-color: #000000;")
self.scene = QGraphicsScene(0,0,320,240)
self.view.setScene(self.scene)
self.baseLayout = QVBoxLayout()
self.baseLayout.setContentsMargins(0,0,0,0)
self.baseLayout.addWidget(self.view)
#Decoracion
car_logo = QPixmap("imagenes/car_logo.png")
car_logo_item = QGraphicsPixmapItem(car_logo)
car_logo_item.setPos(5,5)
self.scene.addItem(car_logo_item)
self.distlabel = QLabel("-")
self.distlabel.setGeometry(20, 20, 280, 200)
self.distlabel.setAlignment(QtCore.Qt.AlignRight | QtCore.Qt.AlignVCenter)
self.distlabel.setStyleSheet("color: #00FFFF;font-size: 150px;background-color: transparent;")
self.scene.addWidget(self.distlabel)
self.measureLabel=QLabel("metros")
self.measureLabel.setGeometry(10,190,300,30)
self.measureLabel.setAlignment(QtCore.Qt.AlignRight |QtCore.Qt.AlignVCenter)
self.measureLabel.setStyleSheet("color: #FFFF00;font-size: 30px; font-weight: bold; font-style: italic;background-color: transparent;")
self.scene.addWidget(self.measureLabel)
self.setLayout(self.baseLayout)
transformacion = QTransform()
transformacion.scale(1.0,-1.0)
#self.view.setTransform(transformacion)
self.show()
def updateStandardIcons(self):
size = QSize(16, 16)
rect = QRect(QPoint(), self.iconSize())
transform = QTransform()
transform.rotate(90)
pixmap = self.style().standardIcon(
QStyle.SP_TitleBarNormalButton, None,
self.widgetForAction(self.aFloat)).pixmap(size)
rect.moveCenter(pixmap.rect().center())
pixmap = pixmap.copy(rect)
self.aFloat.setIcon(QIcon(pixmap))
pixmap = self.style().standardIcon(QStyle.SP_TitleBarCloseButton, None,
self.widgetForAction(
self.aClose)).pixmap(size)
rect.moveCenter(pixmap.rect().center())
pixmap = pixmap.copy(rect)
self.aClose.setIcon(QIcon(pixmap))
def paint(self, painter, option, widget=None):
t = painter.transform()
rect = t.mapRect(self.rect())
painter.save()
painter.setTransform(QTransform())
pwidth = self.pen().widthF()
painter.setPen(self.pen())
painter.drawRect(rect.adjusted(pwidth, -pwidth, -pwidth, pwidth))
painter.restore()
def wheelEvent( self, event ):
""" Mouse wheel event """
if QApplication.keyboardModifiers() == Qt.ControlModifier:
factor = 1.41 ** ( -event.delta() / 240.0 )
self.__currentFactor *= factor
self.setTransform( QTransform.fromScale( self.__currentFactor,
self.__currentFactor ) )
Settings().flowScale = self.__currentFactor
else:
QGraphicsView.wheelEvent( self, event )
return
def run(self):
"""Main method of a thread to receive the MJEPG-stream.
For every frame received, the SIGNAL newFrame() is thrown.
Never call this directly. Always use start().
"""
self.updateControls = self.hasUpdateControls()
self.inputAvt = self.isInputAvt()
self.running = True
while (self.running):
frame = self.httpGet("?action=snapshot")
if (frame):
self.raw = frame
frame = QImage.fromData(frame)
oldWidth = frame.size().width()
oldHeight = frame.size().height()
if self.rotation is not None:
#print "rot"
#print "before", frame.size().width(),frame.size().height()
transf = QTransform()
transf.rotate(self.rotation)
frame = frame.transformed(transf)
#print "after", frame.size().width(),frame.size().height()
newWidth = frame.size().width()
newHeight = frame.size().height()
addedHeight = oldWidth * math.sin(
math.radians(self.rotation))
addedWidth = oldHeight * math.sin(
math.radians(self.rotation))
h = oldHeight / math.sin(math.radians(self.rotation))
#l1 =
#print "addedwidth,Height",addedWidth,addedHeight
if (self.transformMode is not None
and not (self.width == frame.width()
and self.height == frame.height())):
frame = frame.scaled(self.width, self.height,
self.aspectRatio, self.transformMode)
self.frame = frame
self.emit(SIGNAL("newFrame()"))
def _newAxes(self):
"""Given self._rotation and self._swapped, calculates and sets
the appropriate data2scene transformation.
"""
# TODO: this function works, but it is not elegant. There must
# be a simpler way to calculate the appropriate transformation.
w, h = self.dataShape
assert self._rotation in range(0, 4)
# unlike self._rotation, the local variable 'rotation'
# indicates how many times to rotate clockwise after swapping
# axes.
# t1 : do axis swap
t1 = QTransform()
if self._swapped:
t1 = QTransform(0, 1, 0,
1, 0, 0,
0, 0, 1)
h, w = w, h
# t2 : do rotation
t2 = QTransform()
t2.rotate(self._rotation * 90)
# t3: shift to re-center
rot2trans = {0 : (0, 0),
1 : (h, 0),
2 : (w, h),
3 : (0, w)}
trans = rot2trans[self._rotation]
t3 = QTransform.fromTranslate(*trans)
self.data2scene = t1 * t2 * t3
if self._tileProvider:
self._tileProvider.axesSwapped = self._swapped
self.axesChanged.emit(self._rotation, self._swapped)
def overlay_for(pt1, pt2, frequency):
# Construct the line-geometry, we'll use this to construct the ellipsoid
line = QLineF(pt1, pt2)
# Determine the radius for the ellipsoid
radius = fresnel_radius(line.length(), frequency)
# Draw the ellipsoid
zone = QPainterPath()
zone.addEllipse(QPointF(0., 0.), line.length() / 2, radius)
# Rotate the ellipsoid - same angle as the line
transform = QTransform()
transform.rotate(-line.angle())
zone = transform.map(zone)
# Center the zone over the line
lc = QRectF(pt1, pt2).center()
zc = zone.boundingRect().center()
zone.translate(lc.x() - zc.x(), lc.y() - zc.y())
return line, zone
def __init__( self, parent=None ):
QGraphicsScene.__init__( self, parent=parent )
# tiled rendering of patches
self._tiling = None
self._brushingLayer = None
# indicates the dirtyness of each tile
self._dirtyIndicator = None
self._tileProvider = None
self._stackedImageSources = None
self._showTileOutlines = False
self.data2scene = QTransform(0,1,1,0,0,0)
self.scene2data = self.data2scene.transposed()
self._slicingPositionSettled = True
self._redrawIndicator = False
def _setup_scene(self):
self._clear_plot()
self.matrix_item = DistanceMapItem(self._sorted_matrix)
# Scale the y axis to compensate for pg.ViewBox's y axis invert
self.matrix_item.setTransform(QTransform.fromScale(1, -1), )
self.viewbox.addItem(self.matrix_item)
# Set fixed view box range.
h, w = self._sorted_matrix.shape
self.viewbox.setRange(QRectF(0, -h, w, h), padding=0)
self.matrix_item.selectionChanged.connect(self._invalidate_selection)
if self.sorting == OWDistanceMap.NoOrdering:
tree = None
elif self.sorting == OWDistanceMap.Clustering:
tree = self._cluster_tree()
elif self.sorting == OWDistanceMap.OrderedClustering:
tree = self._ordered_cluster_tree()
self._set_displayed_dendrogram(tree)
self._update_color()
class ImageScene2D(QGraphicsScene):
"""
The 2D scene description of a tiled image generated by evaluating
an overlay stack, together with a 2D cursor.
"""
@property
def stackedImageSources(self):
return self._stackedImageSources
@stackedImageSources.setter
def stackedImageSources(self, s):
self._stackedImageSources = s
s.sizeChanged.connect(self._onSizeChanged)
@property
def showTileOutlines(self):
return self._showTileOutlines
@showTileOutlines.setter
def showTileOutlines(self, show):
self._showTileOutlines = show
self.invalidate()
@property
def sceneShape(self):
"""
The shape of the scene in QGraphicsView's coordinate system.
"""
return (self.sceneRect().width(), self.sceneRect().height())
@sceneShape.setter
def sceneShape(self, sceneShape):
"""
Set the size of the scene in QGraphicsView's coordinate system.
sceneShape -- (widthX, widthY),
where the origin of the coordinate system is in the upper left corner
of the screen and 'x' points right and 'y' points down
"""
assert len(sceneShape) == 2
self.setSceneRect(0,0, *sceneShape)
#The scene shape is in Qt's QGraphicsScene coordinate system,
#that is the origin is in the top left of the screen, and the
#'x' axis points to the right and the 'y' axis down.
#The coordinate system of the data handles things differently.
#The x axis points down and the y axis points to the right.
r = self.scene2data.mapRect(QRect(0,0,sceneShape[0], sceneShape[1]))
sliceShape = (r.width(), r.height())
if self._dirtyIndicator:
self.removeItem(self._dirtyIndicator)
del self._dirtyIndicator
self._dirtyIndicator = None
self._tiling = Tiling(sliceShape, self.data2scene)
self._dirtyIndicator = DirtyIndicator(self._tiling)
self.addItem(self._dirtyIndicator)
self._onSizeChanged()
if self._tileProvider:
self._tileProvider.notifyThreadsToStop() # prevent ref cycle
self._tileProvider = TileProvider(self._tiling, self._stackedImageSources)
self._tileProvider.changed.connect(self.invalidateViewports)
def invalidateViewports( self, rectF ):
'''Call invalidate on the intersection of all observing viewport-rects and rectF.'''
rectF = rectF if rectF.isValid() else self.sceneRect()
for view in self.views():
QGraphicsScene.invalidate( self, rectF.intersected(view.viewportRect()) )
def __init__( self, parent=None ):
QGraphicsScene.__init__( self, parent=parent )
# tiled rendering of patches
self._tiling = None
self._brushingLayer = None
# indicates the dirtyness of each tile
self._dirtyIndicator = None
self._tileProvider = None
self._stackedImageSources = None
self._showTileOutlines = False
self.data2scene = QTransform(0,1,1,0,0,0)
self.scene2data = self.data2scene.transposed()
self._slicingPositionSettled = True
self._redrawIndicator = False
def drawLine(self, fromPoint, toPoint, pen):
tileId = self._tiling.containsF(toPoint)
if tileId is None:
return
p = self._brushingLayer[tileId]
p.lock()
painter = QPainter(p.image)
painter.setPen(pen)
tL = self._tiling.imageRectFs[tileId].topLeft()
painter.drawLine(fromPoint-tL, toPoint-tL)
painter.end()
p.dataVer += 1
p.unlock()
self.scheduleRedraw(self._tiling.imageRectFs[tileId])
def _onSizeChanged(self):
self._brushingLayer = TiledImageLayer(self._tiling)
def drawForeground(self, painter, rect):
if self._tiling is None:
return
tile_nos = self._tiling.intersectedF(rect)
for tileId in tile_nos:
p = self._brushingLayer[tileId]
if p.dataVer == p.imgVer:
continue
p.paint(painter) #access to the underlying image patch is serialized
## draw tile outlines
if self._showTileOutlines:
painter.drawRect(self._tiling.imageRects[tileId])
def indicateSlicingPositionSettled(self, settled):
self._dirtyIndicator.setVisible(settled)
self._slicingPositionSettled = settled
def drawBackground(self, painter, rectF):
if self._tileProvider is None:
return
tiles = self._tileProvider.getTiles(rectF)
for tile in tiles:
# prevent flickering
if not tile.progress < 1.0:
painter.drawImage(tile.rectF, tile.qimg)
self._dirtyIndicator.setTileProgress(tile.id, tile.progress)
def joinRendering( self ):
return self._tileProvider.join()
def setZoom(self, scale):
"""Scale to selected factor
"""
transform = QTransform()
transform.scale(scale, scale)
self.graphicsView.setTransform(transform)
