def _generate_indicators(self, **kwargs): # pylint: disable=unused-argument
"""
Paint arrow indicators of selected instructions and labels.
"""
scene = self.scene()
for item in self._map_indicator_items:
scene.removeItem(item)
self._map_indicator_items.clear()
for addr in list(self.disasm_view.infodock.selected_insns) + list(
self.disasm_view.infodock.selected_labels):
pos = self._get_pos_from_addr(addr)
if pos is None:
continue
pos -= 1 # this is the top-left x coordinate of our arrow body (the rectangle)
pen = QPen(Qt.yellow)
brush = QBrush(Qt.yellow)
item = QGraphicsRectItem(QRectF(pos, 0, 2, 10), parent=self)
item.setPen(pen)
item.setBrush(brush)
item.setZValue(self.ZVALUE_INDICATOR)
self._map_indicator_items.append(item)
triangle = QPolygonF()
triangle.append(QPointF(pos - 1, 10))
triangle.append(QPointF(pos + 3, 10))
triangle.append(QPointF(pos + 1, 12))
triangle.append(QPointF(pos - 1, 10))
item = QGraphicsPolygonItem(triangle, parent=self)
item.setPen(pen)
item.setBrush(brush)
item.setZValue(self.ZVALUE_INDICATOR)
self._map_indicator_items.append(item)
def getNewWindow(cls, targetImage=None, axeSize=500, layer=None, parent=None, curveType='quadric'):
newWindow = graphicsToneForm(targetImage=targetImage, axeSize=axeSize, layer=layer, parent=parent, curveType=curveType)
newWindow.setWindowTitle(layer.name)
# init marker
triangle = QPolygonF()
s = 10
triangle.append(QPointF(-s, s))
triangle.append(QPointF(0, 0))
triangle.append(QPointF(s, s))
newWindow.inputMarker = QGraphicsPolygonItem(triangle)
newWindow.scene().addItem(newWindow.inputMarker)
newWindow.inputMarker.setBrush(QBrush(Qt.white))
return newWindow
print(f'Rect Pos: {rectItem.pos()}')
textItem = QGraphicsSimpleTextItem("Foundation of Qt")
scene.addItem(textItem)
print(f'Text Pos: {textItem.pos()}')
textItem.setPos(50, 0)
print(f'Text Pos: {textItem.pos()}')
ellipseItem = QGraphicsEllipseItem(QRectF(170, 20, 100, 75))
ellipseItem.setPen(QPen(Qt.darkBlue))
ellipseItem.setBrush(Qt.blue)
scene.addItem(ellipseItem)
points = [
QPointF(10, 10),
QPointF(0, 90),
QPointF(40, 70),
QPointF(80, 110),
QPointF(70, 20)
]
polygonItem = QGraphicsPolygonItem(QPolygonF(points))
polygonItem.setPen(QPen(Qt.darkGreen))
polygonItem.setBrush(Qt.yellow)
scene.addItem(polygonItem)
view = QGraphicsView()
view.setScene(scene)
view.show()
sys.exit(app.exec_())
def _create_line_indicator(self, addr, item_map, color=Qt.yellow, show_frontier=False, z=None, z_frontier=None):
"""
Generate a cursor at a given address.
"""
pos_x = self._get_pos_from_addr(addr)
if pos_x is None:
return
pen = QPen(color)
brush = QBrush(color)
height = self.height
tri_width = 7
tri_height = 4
pos_x = int(pos_x - tri_width / 2) # Center drawing
center = pos_x + int(tri_width / 2)
pos_y = 0
frontier_width = int(0.15 * max(self.width, self.height))
if show_frontier:
# Draw frontier gradients
r = QRectF(center - frontier_width, pos_y, frontier_width, height)
bg = QLinearGradient(r.topLeft(), r.topRight())
color = Qt.red
top_color = QColor(color)
top_color.setAlpha(0)
bg.setColorAt(0, top_color)
bottom_color = QColor(color)
bottom_color.setAlpha(180)
bg.setColorAt(1, bottom_color)
i = QGraphicsRectItem(r, parent=self)
i.setPen(Qt.NoPen)
i.setBrush(bg)
if z_frontier is not None:
i.setZValue(z_frontier)
item_map.append(i)
r = QRectF(center, pos_y, frontier_width, height)
bg = QLinearGradient(r.topLeft(), r.topRight())
color = Qt.blue
top_color = QColor(color)
bg.setColorAt(0, top_color)
bottom_color = QColor(color)
bottom_color.setAlpha(0)
bg.setColorAt(1, bottom_color)
i = QGraphicsRectItem(r, parent=self)
i.setPen(Qt.NoPen)
i.setBrush(bg)
if z_frontier is not None:
i.setZValue(z_frontier)
item_map.append(i)
# Draw line
i = QGraphicsLineItem(center, 0, center, height, parent=self)
i.setPen(pen)
if z is not None:
i.setZValue(z)
item_map.append(i)
# Draw top and bottom triangles
t = QPolygonF()
t.append(QPointF(pos_x, pos_y))
t.append(QPointF(pos_x + tri_width - 1, pos_y))
t.append(QPointF(center, pos_y + tri_height - 1))
t.append(QPointF(pos_x, pos_y))
pos_y += height - 1
b = QPolygonF()
b.append(QPointF(pos_x, pos_y))
b.append(QPointF(center, pos_y - tri_height + 1))
b.append(QPointF(pos_x + tri_width - 1, pos_y))
b.append(QPointF(pos_x, pos_y))
for i in [QGraphicsPolygonItem(t, parent=self),
QGraphicsPolygonItem(b, parent=self)]:
i.setPen(pen)
i.setBrush(brush)
if z is not None:
i.setZValue(z)
item_map.append(i)