def mouseMoveEvent(self, event):
super(BaseGraphicsView, self).mouseMoveEvent(event)
self._mouse_pos = event.pos()
if self._is_panning:
delta = self.mapToScene(event.pos()) - self.mapToScene(
self._last_mouse_pos)
self._pan(delta)
if self._rubber_rect and self.scene():
if self._is_rubber_rect_selection:
current_pos = self.mapToScene(self._mouse_pos)
press_pos = self.mapToScene(self._mouse_pressed_pos)
if self._rubber_rect not in self.scene().items():
self.scene().addItem(self._rubber_rect)
if not self._rubber_rect.isVisible():
self._rubber_rect.setVisible(True)
r = QRectF(press_pos.x(), press_pos.y(),
current_pos.x() - press_pos.x(),
current_pos.y() - press_pos.y())
self._rubber_rect.setRect(r.normalized())
self._auto_pan_controller.update(self.viewport().rect(), event.pos())
self._last_mouse_pos = event.pos()
def resizeEvent(self, event):
a = min(self.width(), self.height())
top_left = QPointF()
if self._alignment & Qt.AlignTop:
top_left.setY(0)
elif self._alignment & Qt.AlignVCenter:
top_left.setY((self.height() - a) * 0.5)
elif self._alignment & Qt.AlignBottom:
top_left.setY(self.height() - a)
if self._alignment & Qt.AlignLeft:
top_left.setX(0)
elif self._alignment & Qt.AlignHCenter:
top_left.setX((self.width() - a) * 0.5)
elif self._alignment & Qt.AlignRight:
top_left.setX(self.width() - a)
self._bounds = QRectF(top_left, QSize(a, a))
self._knop_bounds.setWidth(a * 0.3)
self._knop_bounds.setHeight(a * 0.3)
radius = (self._bounds.width() - self._knop_bounds.height()) * 0.5
self._knop_bounds.moveCenter(
QPointF(self._bounds.center().x() + self._x * radius,
self._bounds.center().y() - self._y * radius))
def generate_svg(svg_file):
draw_set = list()
bounding_rect = QRectF()
for style, path, pathType, id in get_path_order_from_svg_file(svg_file):
# We do not load the init rect item which indicates document settings
if style.get('display') == 'none':
continue
if pathType == 'path':
svgPath = create_svg_path(path)
elif pathType in ('circle', 'ellipse'):
svgPath = create_ellipse_path(path)
elif pathType == 'rect':
svgPath = create_rect_path(path)
elif pathType == 'polygon':
svgPath = create_polygon_path(path)
else:
continue
bounding_rect = bounding_rect.united(svgPath.boundingRect())
draw_set.append([style, svgPath])
for bundle in draw_set:
path = bundle.pop()
offset = path.boundingRect().topLeft() - bounding_rect.topLeft()
path.translate(path.boundingRect().topLeft() * -1)
path.translate(offset)
bundle.append(path)
return (bounding_rect, draw_set)
def __init__(self, parent=None):
super(JoyPad, self).__init__(parent=parent)
self._x = 0
self._y = 0
self._bounds = QRectF()
self._knop_bounds = QRectF()
self._last_pos = QPoint()
self._knop_pressed = False
self._return_animation = QParallelAnimationGroup(self)
self._x_anim = QPropertyAnimation(self, 'x')
self._y_anim = QPropertyAnimation(self, 'y')
self._alignment = Qt.AlignTop | Qt.AlignLeft
self._x_anim.setEndValue(0.0)
self._x_anim.setDuration(400)
self._x_anim.setEasingCurve(QEasingCurve.OutSine)
self._y_anim.setEndValue(0.0)
self._y_anim.setDuration(400)
self._y_anim.setEasingCurve(QEasingCurve.OutSine)
self._return_animation.addAnimation(self._x_anim)
self._return_animation.addAnimation(self._y_anim)
def paint(self, painter, option, index):
painter.setRenderHints(QPainter.Antialiasing
| QPainter.SmoothPixmapTransform)
model = index.model()
view = self.parent()
if view.hasFocus() and option.state & QStyle.State_MouseOver:
painter.setPen(Qt.NoPen)
painter.setBrush(Qt.gray)
painter.drawRoundedRect(option.rect.adjusted(1, 1, -1, -1),
self._ICON_MARGIN, self._ICON_MARGIN)
pixmap = model.data(index, Qt.DecorationRole).pixmap(view.iconSize())
pm_rect = QRect(
option.rect.topLeft() +
QPoint(self._ICON_MARGIN + 1, self._ICON_MARGIN + 1),
view.iconSize() -
QSize(self._ICON_MARGIN * 2, self._ICON_MARGIN * 2))
painter.drawPixmap(pm_rect, pixmap)
if option.state & QStyle.State_Selected:
painter.setPen(
QPen(Qt.red, 1.0, Qt.SolidLine, Qt.SquareCap, Qt.RoundJoin))
painter.setBrush(Qt.NoBrush)
painter.drawRect(option.rect.adjusted(2, 2, -2, -2))
font = view.font()
fm = QFontMetrics(font)
text = os.path.splitext(
os.path.basename(model.data(index, Qt.DisplayRole)))[0]
text = fm.elidedText(text, Qt.ElideRight, view.iconSize().width() - 4)
text_opt = QTextOption()
text_opt.setAlignment(Qt.AlignHCenter)
txt_rect = QRectF(QPointF(pm_rect.bottomLeft() + QPoint(0, 1)),
QPointF(option.rect.bottomRight() - QPoint(4, 3)))
painter.save()
painter.setPen(Qt.NoPen)
painter.setBrush(QColor(22, 22, 22, 220))
painter.drawRoundedRect(txt_rect.adjusted(-2, -2, 2, 2), 2, 2)
painter.restore()
painter.setPen(self.parent().palette().color(QPalette.WindowText))
painter.drawText(txt_rect, text, text_opt)
font.setPointSize(8)
fm = QFontMetrics(font)
item = model.itemFromIndex(index)
size_text = '%d x %d' % (item.size.width(), item.size.height())
size_rect = fm.boundingRect(option.rect, Qt.AlignLeft | Qt.AlignTop,
size_text)
size_rect.translate(4, 4)
painter.save()
painter.setPen(Qt.NoPen)
painter.setBrush(QColor(22, 22, 22, 220))
painter.drawRoundedRect(size_rect.adjusted(-2, -2, 2, 2), 2, 2)
painter.restore()
painter.setFont(font)
painter.drawText(size_rect, size_text)
def boundingRect(self):
anchor = self.mapFromParent(self.m_chart.mapToPosition(self.m_anchor))
rect = QRectF()
rect.setLeft(min(self.m_rect.left(), anchor.x()))
rect.setRight(max(self.m_rect.right(), anchor.x()))
rect.setTop(min(self.m_rect.top(), anchor.y()))
rect.setBottom(max(self.m_rect.bottom(), anchor.y()))
return rect
def calculate_start_angle(x1, y1, rx, ry, coordAngle, largeArcFlag, sweep_flag,
x2, y2):
def dotproduct(v1, v2):
return sum((a * b for a, b in zip(v1, v2)))
def length(v):
return math.sqrt(dotproduct(v, v))
def angle(v1, v2):
return math.acos(dotproduct(v1, v2) / (length(v1) * length(v2)))
rotated_x1 = math.cos(math.radians(coordAngle)) * (
(x1 - x2) / 2) + math.sin(math.radians(coordAngle)) * ((y1 - y2) / 2)
rotated_y1 = -math.sin(math.radians(coordAngle)) * (
(x1 - x2) / 2) + math.cos(math.radians(coordAngle)) * ((y1 - y2) / 2)
delta = rotated_x1**2 / rx**2 + rotated_y1**2 / ry**2
if delta > 1:
rx *= math.sqrt(delta)
ry *= math.sqrt(delta)
_a = (rx**2 * ry**2 - rx**2 * rotated_y1**2 - ry**2 * rotated_x1**2)
_b = (rx**2 * rotated_y1**2 + ry**2 * rotated_x1**2)
var = math.sqrt(_a / _b)
if largeArcFlag == sweep_flag:
var *= -1
ccx = var * (rx * rotated_y1 / ry)
ccy = var * -(ry * rotated_x1 / rx)
cx = math.cos(math.radians(coordAngle)) * ccx - math.sin(
math.radians(coordAngle)) * ccy + (x1 + x2) / 2
cy = math.sin(math.radians(coordAngle)) * ccx + math.cos(
math.radians(coordAngle)) * ccy + (y1 + y2) / 2
start_angle = math.degrees(
angle([1, 0], [(rotated_x1 - ccx) / rx, (rotated_y1 - ccy) / ry]))
start_angle_sign = 1 * (rotated_y1 - ccy) / ry - 0 * (rotated_x1 -
ccx) / rx
if start_angle_sign == 0:
start_angle_sign = 1.0
start_angle_sign /= abs(start_angle_sign)
start_angle *= start_angle_sign
try:
sweep_angle = math.degrees(
angle([(rotated_x1 - ccx) / rx, (rotated_y1 - ccy) / ry],
[(-rotated_x1 - ccx) / rx, (-rotated_y1 - ccy) / ry]))
except ValueError:
sweep_angle = 180.0
sweep_angle_sign = (rotated_x1 - ccx) / rx * (-rotated_y1 - ccy) / ry - \
(rotated_y1 - ccy) / ry * (-rotated_x1 - ccx) / rx
if sweep_angle_sign == 0:
sweep_angle_sign = 1.0
sweep_angle_sign /= abs(sweep_angle_sign)
sweep_angle *= sweep_angle_sign
if sweep_flag == 0 and sweep_angle > 0:
sweep_angle -= 360
elif sweep_flag == 1 and sweep_angle < 0:
sweep_angle += 360
rect = QRectF(0, 0, rx * 2, ry * 2)
rect.moveCenter(QPointF(cx, cy))
return (start_angle, sweep_angle, rect)
def __init__(self, chart):
super().__init__(chart)
self.m_chart = chart
self.m_text = ""
self.m_textRect = QRectF()
self.m_rect = QRectF()
self.m_anchor = QPointF()
self.m_font = QFont()
def setText(self, text):
self.m_text = text
metrics = QFontMetrics(self.m_font)
self.m_textRect = QRectF(
metrics.boundingRect(QRect(0, 0, 150, 150), Qt.AlignLeft,
self.m_text))
self.m_textRect.translate(5, 5)
self.prepareGeometryChange()
self.m_rect = self.m_textRect.adjusted(-5, -5, 5, 5)
def get_items_by_z_value_order(self, classes_tuple=None, rect=QRectF()):
"""
Returns the items of the passed class
:param classes_tuple:
:param rect:
:return:
"""
def cmp_zvalue(x, y):
x_val = x.zValue()
y_val = y.zValue()
if x_val > y_val:
return 1
elif x_val < y_val:
return -1
else:
return 0
if classes_tuple is not None:
items = filter(lambda x: isinstance(x, classes_tuple), rect.isValid() and self.items(rect) or self.items())
else:
items = self.items()
if items:
items.sort(key=lambda x: x.zValue())
return items
def drawSizeInfo(self):
sizeInfoAreaWidth = 200
sizeInfoAreaHeight = 30
spacing = 5
rect = self.selectedArea.normalized()
sizeInfoArea = QRect(rect.left(),
rect.top() - spacing - sizeInfoAreaHeight,
sizeInfoAreaWidth, sizeInfoAreaHeight)
if sizeInfoArea.top() < 0:
sizeInfoArea.moveTopLeft(rect.topLeft() + QPoint(spacing, spacing))
if sizeInfoArea.right() >= self.screenPixel.width():
sizeInfoArea.moveTopLeft(rect.topLeft() -
QPoint(spacing, spacing) -
QPoint(sizeInfoAreaWidth, 0))
if sizeInfoArea.left() < spacing:
sizeInfoArea.moveLeft(spacing)
if sizeInfoArea.top() < spacing:
sizeInfoArea.moveTop(spacing)
self.itemsToRemove.append(
self.graphicsScene.addRect(QRectF(sizeInfoArea), QPen(Qt.white),
QBrush(Qt.black)))
sizeInfo = self.graphicsScene.addSimpleText(' {0} x {1}'.format(
rect.width() * self.scale,
rect.height() * self.scale))
sizeInfo.setPos(sizeInfoArea.topLeft() + QPoint(0, 2))
sizeInfo.setPen(QPen(QColor(255, 255, 255), 2))
self.itemsToRemove.append(sizeInfo)
def resetView(self):
self.zoomSlider.setValue(250)
self.rotateSlider.setValue(0)
self.setupTransform()
self.graphicsView.ensureVisible(QRectF(0, 0, 0, 0))
self.resetButton.setEnabled(False)
def __init__(self, parent=None):
super(BezierCurveItem, self).__init__(parent)
self._pen = QPen(Qt.green, 2, Qt.SolidLine)
self._rect = QRectF()
self._bounding_rect = None
self._points = list()
# self._theme = None
self.setZValue(-1)
def drawBackground(self, painter, rect):
"""
Override method to draw view custom background image
"""
if not self.background_image:
return super(GridBackgroundImageView,
self).drawBackground(painter, rect)
super(GridBackgroundImageView, self).drawBackground(painter, rect)
painter.drawImage(self.sceneRect(), self.background_image,
QRectF(self.background_image.rect()))
def resizeEvent(self, event):
if self.scene() is not None:
self.scene().setSceneRect(QRectF(QRect(QPoint(0, 0), event.size())))
self.m_chart.resize(QSizeF(event.size()))
self.m_coordX.setPos(
self.m_chart.size().width() / 2 - 50, self.m_chart.size().height() - 20
)
self.m_coordY.setPos(
self.m_chart.size().width() / 2 + 50, self.m_chart.size().height() - 20
)
for callout in self.m_callouts:
callout.updateGeometry()
super().resizeEvent(event)
def _zoom(self, scale_factor):
self._factor = round(
self.matrix().scale(scale_factor,
scale_factor).mapRect(QRectF(0, 0, 1,
1)).width(), 1)
if hasattr(self.scene(), 'grid_size'):
if self._factor < (self._min_scale + 0.4):
self.scene().grid_size = 20
else:
self.scene().grid_size = 10
if self._factor < self._min_scale or self._factor > self._max_scale:
return
self.scale(scale_factor, scale_factor)
self._scale *= scale_factor
def redraw(self):
self.graphicsScene.clear()
# draw screenshot
self.graphicsScene.addPixmap(self.screenPixel)
# prepare for drawing selected area
rect = QRectF(self.selectedArea)
rect = rect.normalized()
topLeftPoint = rect.topLeft()
topRightPoint = rect.topRight()
bottomLeftPoint = rect.bottomLeft()
bottomRightPoint = rect.bottomRight()
topMiddlePoint = (topLeftPoint + topRightPoint) / 2
leftMiddlePoint = (topLeftPoint + bottomLeftPoint) / 2
bottomMiddlePoint = (bottomLeftPoint + bottomRightPoint) / 2
rightMiddlePoint = (topRightPoint + bottomRightPoint) / 2
# draw the picture mask
mask = QColor(0, 0, 0, 155)
if self.selectedArea == QRect():
self.graphicsScene.addRect(0, 0, self.screenPixel.width(),
self.screenPixel.height(),
QPen(Qt.NoPen), mask)
else:
self.graphicsScene.addRect(0, 0, self.screenPixel.width(),
topRightPoint.y(), QPen(Qt.NoPen), mask)
self.graphicsScene.addRect(0, topLeftPoint.y(), topLeftPoint.x(),
rect.height(), QPen(Qt.NoPen), mask)
self.graphicsScene.addRect(
topRightPoint.x(), topRightPoint.y(),
self.screenPixel.width() - topRightPoint.x(), rect.height(),
QPen(Qt.NoPen), mask)
self.graphicsScene.addRect(
0, bottomLeftPoint.y(), self.screenPixel.width(),
self.screenPixel.height() - bottomLeftPoint.y(),
QPen(Qt.NoPen), mask)
# draw the toolBar
if self.action != ACTION_SELECT:
spacing = 5
# show the toolbar first, then move it to the correct position
# because the width of it may be wrong if this is the first time it shows
self.tooBar.show()
dest = QPointF(rect.bottomRight() -
QPointF(self.tooBar.width(), 0) -
QPointF(spacing, -spacing))
if dest.x() < spacing:
dest.setX(spacing)
pen_set_bar_height = self.penSetBar.height(
) if self.penSetBar is not None else 0
if dest.y() + self.tooBar.height(
) + pen_set_bar_height >= self.height():
if rect.top() - self.tooBar.height(
) - pen_set_bar_height < spacing:
dest.setY(rect.top() + spacing)
else:
dest.setY(rect.top() - self.tooBar.height() -
pen_set_bar_height - spacing)
self.tooBar.move(self.mapToGlobal(dest.toPoint()))
if self.penSetBar is not None:
self.penSetBar.show()
_pen_point = QPoint(dest.toPoint() +
QPoint(0,
self.tooBar.height() + spacing))
self.penSetBar.move(self.mapToGlobal(_pen_point))
if self.action == ACTION_TEXT:
self.penSetBar.showFontWidget()
else:
self.penSetBar.showPenWidget()
else:
self.tooBar.hide()
if self.penSetBar is not None:
self.penSetBar.hide()
# draw the list
for step in self.drawListResult:
self.drawOneStep(step)
if self.drawListProcess is not None:
self.drawOneStep(self.drawListProcess)
if self.action != ACTION_TEXT:
self.drawListProcess = None
# if self.selectedArea != QRect():
# self.itemsToRemove = []
# # draw the selected rectangle
# pen = QPen(QColor(0, 255, 255), 2)
# self.itemsToRemove.append(self.graphicsScene.addRect(rect, pen))
# # draw the drag point
# radius = QPoint(3, 3)
# brush = QBrush(QColor(0, 255, 255))
# self.itemsToRemove.append(
# self.graphicsScene.addEllipse(QRectF(topLeftPoint - radius, topLeftPoint + radius), pen, brush))
# self.itemsToRemove.append(
# self.graphicsScene.addEllipse(QRectF(topMiddlePoint - radius, topMiddlePoint + radius), pen, brush))
# self.itemsToRemove.append(
# self.graphicsScene.addEllipse(QRectF(topRightPoint - radius, topRightPoint + radius), pen, brush))
# self.itemsToRemove.append(
# self.graphicsScene.addEllipse(QRectF(leftMiddlePoint - radius, leftMiddlePoint + radius), pen, brush))
# self.itemsToRemove.append(
# self.graphicsScene.addEllipse(QRectF(rightMiddlePoint - radius, rightMiddlePoint + radius), pen, brush))
# self.itemsToRemove.append(
# self.graphicsScene.addEllipse(QRectF(bottomLeftPoint - radius, bottomLeftPoint + radius), pen, brush))
# self.itemsToRemove.append(
# self.graphicsScene.addEllipse(QRectF(bottomMiddlePoint - radius, bottomMiddlePoint + radius), pen, brush))
# self.itemsToRemove.append(
# self.graphicsScene.addEllipse(QRectF(bottomRightPoint - radius, bottomRightPoint + radius), pen, brush))
# draw the textedit
if self.textPosition is not None:
textSpacing = 50
position = QPoint()
if self.textPosition.x() + self.textInput.width(
) >= self.screenPixel.width():
position.setX(self.textPosition.x() - self.textInput.width())
else:
position.setX(self.textPosition.x())
if self.textRect is not None:
if self.textPosition.y() + self.textInput.height(
) + self.textRect.height() >= self.screenPixel.height():
position.setY(self.textPosition.y() -
self.textInput.height() -
self.textRect.height())
else:
position.setY(self.textPosition.y() +
self.textRect.height())
else:
if self.textPosition.y() + self.textInput.height(
) >= self.screenPixel.height():
position.setY(self.textPosition.y() -
self.textInput.height())
else:
position.setY(self.textPosition.y())
self.textInput.move(self.mapToGlobal(position))
self.textInput.show()
# self.textInput.getFocus()
# draw the magnifier
if self.action == ACTION_SELECT:
self.drawMagnifier()
if self.mousePressed:
self.drawSizeInfo()
if self.action == ACTION_MOVE_SELECTED:
self.drawSizeInfo()
def create_drop_indicator_pixmap(palette, size, drop_area):
border_color = palette.color(QPalette.Active, QPalette.Highlight)
background_color = palette.color(QPalette.Active, QPalette.Base)
area_background_color = palette.color(QPalette.Active,
QPalette.Highlight).lighter(150)
pm = QPixmap(size.width(), size.height())
pm.fill(QColor(0, 0, 0, 0))
painter = QPainter(pm)
pen = painter.pen()
base_rect = QRectF(pm.rect())
painter.fillRect(base_rect, background_color)
painter.save()
area_rect = QRectF()
area_line = QLineF()
gradient = QLinearGradient()
if drop_area == DropArea.TopDropArea:
area_rect = QRectF(base_rect.x(), base_rect.y(), base_rect.width(),
base_rect.height() * 0.5)
area_line = QLineF(area_rect.bottomLeft(), area_rect.bottomRight())
gradient.setStart(area_rect.topLeft())
gradient.setFinalStop(area_rect.bottomLeft())
gradient.setColorAt(0, area_background_color)
gradient.setColorAt(1, area_background_color.lighter(120))
elif drop_area == DropArea.RightDropArea:
area_rect = QRectF(base_rect.width() * 0.5, base_rect.y(),
base_rect.width() * 0.5, base_rect.height())
area_line = QLineF(area_rect.topLeft(), area_rect.bottomLeft())
gradient.setStart(area_rect.topLeft())
gradient.setFinalStop(area_rect.topRight())
gradient.setColorAt(0, area_background_color.lighter(120))
gradient.setColorAt(1, area_background_color)
elif drop_area == DropArea.BottomDropArea:
area_rect = QRectF(base_rect.x(),
base_rect.height() * 0.5, base_rect.width(),
base_rect.height() * 0.5)
area_line = QLineF(area_rect.topLeft(), area_rect.topRight())
gradient.setStart(area_rect.topLeft())
gradient.setFinalStop(area_rect.bottomLeft())
gradient.setColorAt(0, area_background_color.lighter(120))
gradient.setColorAt(1, area_background_color)
elif drop_area == DropArea.LeftDropArea:
area_rect = QRectF(base_rect.x(), base_rect.y(),
base_rect.width() * 0.5, base_rect.height())
area_line = QLineF(area_rect.topRight(), area_rect.bottomRight())
gradient.setStart(area_rect.topLeft())
gradient.setFinalStop(area_rect.topRight())
gradient.setColorAt(0, area_background_color)
gradient.setColorAt(1, area_background_color.lighter(120))
if area_rect.isValid():
painter.fillRect(area_rect, gradient)
pen = painter.pen()
pen.setColor(border_color)
pen.setStyle(Qt.DashLine)
painter.setPen(pen)
painter.drawLine(area_line)
painter.restore()
painter.save()
pen = painter.pen()
pen.setColor(border_color)
pen.setWidth(1)
painter.setPen(pen)
painter.drawRect(base_rect.adjusted(0, 0, -pen.width(), -pen.width()))
painter.restore()
return pm
def ui(self):
self._central_layout = layouts.VerticalLayout(margins=(0, 0, 0, 0),
spacing=0)
self.setLayout(self._central_layout)
self._top_widget = QWidget()
self._top_layout = layouts.VerticalLayout(margins=(0, 0, 0, 0),
spacing=0)
self._top_widget.setLayout(self._top_layout)
for r in self._resizers:
r.setParent(self)
r.windowResizedFinished.connect(self.dialogResizedFinished)
self.set_resize_directions()
self._dragger = dragger.DialogDragger(parent=self)
self._dragger.setVisible(self.is_frameless())
self._top_layout.addWidget(self._dragger)
self.main_widget = DialogContents()
self.main_layout = self.get_main_layout()
self.main_widget.setLayout(self.main_layout)
self.logo_view = QGraphicsView()
self.logo_view.setSizePolicy(QSizePolicy.Expanding, QSizePolicy.Fixed)
self.logo_view.setMaximumHeight(100)
self._logo_scene = QGraphicsScene()
self._logo_scene.setSceneRect(QRectF(0, 0, 2000, 100))
self.logo_view.setScene(self._logo_scene)
self.logo_view.setHorizontalScrollBarPolicy(Qt.ScrollBarAlwaysOff)
self.logo_view.setVerticalScrollBarPolicy(Qt.ScrollBarAlwaysOff)
self.logo_view.setFocusPolicy(Qt.NoFocus)
if self._has_title and self._title_pixmap:
self._logo_scene.addPixmap(self._title_pixmap)
self._top_layout.addWidget(self.logo_view)
title_background_pixmap = self._get_title_pixmap()
if self._has_title and title_background_pixmap:
self._logo_scene.addPixmap(title_background_pixmap)
self._top_layout.addWidget(self.logo_view)
else:
self.logo_view.setVisible(False)
grid_layout = layouts.GridLayout()
grid_layout.setHorizontalSpacing(0)
grid_layout.setVerticalSpacing(0)
grid_layout.setContentsMargins(0, 0, 0, 0)
grid_layout.addWidget(self._top_widget, 1, 1, 1, 1)
grid_layout.addWidget(self.main_widget, 2, 1, 1, 1)
grid_layout.addWidget(self._top_left_resizer, 0, 0, 1, 1)
grid_layout.addWidget(self._top_resizer, 0, 1, 1, 1)
grid_layout.addWidget(self._top_right_resizer, 0, 2, 1, 1)
grid_layout.addWidget(self._left_resizer, 1, 0, 2, 1)
grid_layout.addWidget(self._right_resizer, 1, 2, 2, 1)
grid_layout.addWidget(self._bottom_left_resizer, 3, 0, 1, 1)
grid_layout.addWidget(self._bottom_resizer, 3, 1, 1, 1)
grid_layout.addWidget(self._bottom_right_resizer, 3, 2, 1, 1)
grid_layout.setColumnStretch(1, 1)
grid_layout.setRowStretch(2, 1)
# Shadow effect for dialog
# BUG: This causes some rendering problems when using other shadow effects in child widgets of the window
# BUG: Also detected problems when updating wigets (tree views, web browsers, etc)
# https://bugreports.qt.io/browse/QTBUG-35196
# shadow_effect = QGraphicsDropShadowEffect(self)
# shadow_effect.setBlurRadius(qtutils.dpi_scale(15))
# shadow_effect.setColor(QColor(0, 0, 0, 150))
# shadow_effect.setOffset(qtutils.dpi_scale(0))
# self.setGraphicsEffect(shadow_effect)
self._central_layout.addLayout(grid_layout)
for r in self._resizers:
r.windowResizedFinished.connect(self.dialogResizedFinished)
if self._size:
self.resize(self._size[0], self._size[1])
def paint(self, painter, option, widget):
fillColor = self.color
if option.state & QStyle.State_Selected:
fillColor = self.color.darker(150)
if option.state & QStyle.State_MouseOver:
fillColor = fillColor.lighter(125)
lod = option.levelOfDetailFromTransform(painter.worldTransform())
if lod < 0.2:
if lod < 0.125:
painter.fillRect(QRectF(0, 0, 110, 70), fillColor)
return
b = painter.brush()
painter.setBrush(fillColor)
painter.drawRect(13, 13, 97, 57)
painter.setBrush(b)
return
oldPen = painter.pen()
pen = oldPen
width = 0
if option.state & QStyle.State_Selected:
width += 2
pen.setWidth(width)
b = painter.brush()
painter.setBrush(
QBrush(
fillColor.darker(120 if (option.state
& QStyle.State_Sunken) else 100)))
painter.drawRect(QRect(14, 14, 79, 39))
painter.setBrush(b)
if lod >= 1:
painter.setPen(QPen(Qt.gray, 1))
painter.drawLine(15, 54, 94, 54)
painter.drawLine(94, 53, 94, 15)
painter.setPen(QPen(Qt.black, 0))
# Draw text
if lod >= 2:
font = QFont("Times", 10)
font.setStyleStrategy(QFont.ForceOutline)
painter.setFont(font)
painter.save()
painter.scale(0.1, 0.1)
painter.drawText(
170, 180, "Model: VSC-2000 (Very Small Chip) at {}x{}".format(
self.x, self.y))
painter.drawText(170, 200,
"Serial number: DLWR-WEER-123L-ZZ33-SDSJ")
painter.drawText(170, 220, "Manufacturer: Chip Manufacturer")
painter.restore()
# Draw lines
lines = [] # QVarLengthArray < QLineF, 36 >
if lod >= 0.5:
for i in range(
0, 11, 1 if lod > 0.5 else
2): # (int i = 0 i <= 10 i += (1 if lod > 0.5 else 2)):
lines.append(QLineF(18 + 7 * i, 13, 18 + 7 * i, 5))
lines.append(QLineF(18 + 7 * i, 54, 18 + 7 * i, 62))
for i in range(0, 6, 1 if lod > 0.5 else
2): # (int i = 0 i <= 6 i += (lod > 0.5 ? 1: 2)) {
lines.append(QLineF(5, 18 + i * 5, 13, 18 + i * 5))
lines.append(QLineF(94, 18 + i * 5, 102, 18 + i * 5))
if lod >= 0.4:
lineData = [
QLineF(25, 35, 35, 35),
QLineF(35, 30, 35, 40),
QLineF(35, 30, 45, 35),
QLineF(35, 40, 45, 35),
QLineF(45, 30, 45, 40),
QLineF(45, 35, 55, 35)
]
lines.extend(lineData)
painter.drawLines(lines)
# Draw red ink
if len(self.stuff) > 1:
p = painter.pen()
painter.setPen(
QPen(Qt.red, 1, Qt.SolidLine, Qt.RoundCap, Qt.RoundJoin))
painter.setBrush(Qt.NoBrush)
path = QPainterPath
path.moveTo(self.stuff[0])
for i in range(1, len(self.stuff)):
path.lineTo(self.stuff[i])
painter.drawPath(path)
painter.setPen(p)
"""
class JoyPad(QWidget, object):
xChanged = Signal(float)
yChanged = Signal(float)
def __init__(self, parent=None):
super(JoyPad, self).__init__(parent=parent)
self._x = 0
self._y = 0
self._bounds = QRectF()
self._knop_bounds = QRectF()
self._last_pos = QPoint()
self._knop_pressed = False
self._return_animation = QParallelAnimationGroup(self)
self._x_anim = QPropertyAnimation(self, 'x')
self._y_anim = QPropertyAnimation(self, 'y')
self._alignment = Qt.AlignTop | Qt.AlignLeft
self._x_anim.setEndValue(0.0)
self._x_anim.setDuration(400)
self._x_anim.setEasingCurve(QEasingCurve.OutSine)
self._y_anim.setEndValue(0.0)
self._y_anim.setDuration(400)
self._y_anim.setEasingCurve(QEasingCurve.OutSine)
self._return_animation.addAnimation(self._x_anim)
self._return_animation.addAnimation(self._y_anim)
# region Static Functions
@staticmethod
def constraint(value, min_value, max_value):
return min_value if value < min_value else max_value if value > max_value else value
# endregion
# region Properties
def get_x(self):
return self._x
def set_x(self, x):
self._x = self.constraint(x, -1.0, 1.0)
radius = (self._bounds.width() - self._knop_bounds.width()) * 0.5
self._knop_bounds.moveCenter(
QPointF(self._bounds.center().x() + self._x * radius,
self._knop_bounds.center().y()))
self.update()
self.xChanged.emit(self._x)
def get_y(self):
return self._y
def set_y(self, y):
self._y = self.constraint(y, -1.0, 1.0)
radius = (self._bounds.width() - self._knop_bounds.width()) * 0.5
self._knop_bounds.moveCenter(
QPointF(self._knop_bounds.center().x(),
self._bounds.center().y() - self._y * radius))
self.update()
self.yChanged.emit(self._x)
def get_alignment(self):
return self._alignment
def set_alignment(self, alignment):
self._alignment = alignment
x = property(get_x, set_x)
y = property(get_y, set_y)
alignment = property(get_alignment, set_alignment)
# endregion
# region Override Functions
def resizeEvent(self, event):
a = min(self.width(), self.height())
top_left = QPointF()
if self._alignment & Qt.AlignTop:
top_left.setY(0)
elif self._alignment & Qt.AlignVCenter:
top_left.setY((self.height() - a) * 0.5)
elif self._alignment & Qt.AlignBottom:
top_left.setY(self.height() - a)
if self._alignment & Qt.AlignLeft:
top_left.setX(0)
elif self._alignment & Qt.AlignHCenter:
top_left.setX((self.width() - a) * 0.5)
elif self._alignment & Qt.AlignRight:
top_left.setX(self.width() - a)
self._bounds = QRectF(top_left, QSize(a, a))
self._knop_bounds.setWidth(a * 0.3)
self._knop_bounds.setHeight(a * 0.3)
radius = (self._bounds.width() - self._knop_bounds.height()) * 0.5
self._knop_bounds.moveCenter(
QPointF(self._bounds.center().x() + self._x * radius,
self._bounds.center().y() - self._y * radius))
def mousePressEvent(self, event):
if self._knop_bounds.contains(event.pos()):
# self._return_animation.stop()
self._last_pos = event.pos()
self._knop_pressed = True
def mouseReleaseEvent(self, event):
self._knop_pressed = False
self.x = 0.0
self.y = 0.0
# self._return_animation.start()
def mouseMoveEvent(self, event):
if not self._knop_pressed:
return
delta_pos = QPointF(event.pos() - self._last_pos)
delta_pos += 0.5 * (QPointF(event.pos()) - self._knop_bounds.center())
from_center_to_knop = self._knop_bounds.center(
) + delta_pos - self._bounds.center()
radius = (self._bounds.width() - self._knop_bounds.width()) * 0.5
from_center_to_knop.setX(
self.constraint(from_center_to_knop.x(), -radius, radius))
from_center_to_knop.setY(
self.constraint(from_center_to_knop.y(), -radius, radius))
self._knop_bounds.moveCenter(from_center_to_knop +
self._bounds.center())
self._last_pos = event.pos()
self.update()
if radius == 0:
return
x = (self._knop_bounds.center().x() -
self._bounds.center().x()) / radius
y = (-self._knop_bounds.center().y() +
self._bounds.center().y()) / radius
if self._x != x:
self._x = x
self.xChanged.emit(self._x)
if self._y != y:
self._y = y
self.yChanged.emit(self._y)
def paintEvent(self, event):
painter = QPainter(self)
painter.setRenderHint(QPainter.Antialiasing)
painter.setRenderHint(QPainter.HighQualityAntialiasing)
gradient = QRadialGradient(self._bounds.center(),
self._bounds.width() * 0.5,
self._bounds.center())
gradient.setFocalRadius(self._bounds.width() * 0.3)
gradient.setCenterRadius(self._bounds.width() * 0.7)
gradient.setColorAt(0, Qt.white)
gradient.setColorAt(1, Qt.lightGray)
painter.setPen(QPen(QBrush(Qt.gray), self._bounds.width() * 0.005))
painter.setBrush(QBrush(gradient))
painter.drawEllipse(self._bounds)
painter.setPen(QPen(QBrush(Qt.gray), self._bounds.width() * 0.005))
painter.drawLine(
QPointF(self._bounds.left(),
self._bounds.center().y()),
QPointF(self._bounds.center().x() - self._bounds.width() * 0.35,
self._bounds.center().y()))
painter.drawLine(
QPointF(self._bounds.center().x() + self._bounds.width() * 0.35,
self._bounds.center().y()),
QPointF(self._bounds.right(),
self._bounds.center().y()))
painter.drawLine(
QPointF(self._bounds.center().x(), self._bounds.top()),
QPointF(self._bounds.center().x(),
self._bounds.center().y() - self._bounds.width() * 0.35))
painter.drawLine(
QPointF(self._bounds.center().x(),
self._bounds.center().y() + self._bounds.width() * 0.35),
QPointF(self._bounds.center().x(), self._bounds.bottom()))
if not self.isEnabled():
return
gradient = QRadialGradient(self._knop_bounds.center(),
self._knop_bounds.width() * 0.5,
self._knop_bounds.center())
gradient.setFocalRadius(self._knop_bounds.width() * 0.2)
gradient.setCenterRadius(self._knop_bounds.width() * 0.5)
gradient.setColorAt(0, Qt.gray)
gradient.setColorAt(1, Qt.darkGray)
painter.setPen(QPen(QBrush(Qt.darkGray), self._bounds.width() * 0.005))
painter.setBrush(QBrush(gradient))
painter.drawEllipse(self._knop_bounds)
# endregion
# region Public Functions
def add_x_animation(self):
# Abort if the animation is already added
if self._x_anim.parent() == self._return_animation:
return
self._return_animation.addAnimation(self._x_anim)
def remove_x_animation(self):
# Abort if the animation is already removed
if self._x_anim.parent() != self._return_animation:
return
self._return_animation.removeAnimation(self._x_anim)
# Take ownership of the animation (parent is 0 after removeAnimation())
self._x_anim.setParent(self)
def add_y_animation(self):
# Abort if the animation is already added
if self._y_anim.parent() == self._return_animation:
return
self._return_animation.addAnimation(self._y_anim)
def remove_y_animation(self):
# Abort if the animation is already removed
if self._y_anim.parent() != self._return_animation:
return
self._return_animation.removeAnimation(self._y_anim)
# Take ownership of the animation (parent is 0 after removeAnimation())
self._y_anim.setParent(self)
def render(self, painter: QPainter) -> None:
painter.drawText(QRectF(0, 0, self.width(), self.height()),
Qt.AlignCenter, "QWindow")
class Callout(QGraphicsItem):
def __init__(self, chart):
super().__init__(chart)
self.m_chart = chart
self.m_text = ""
self.m_textRect = QRectF()
self.m_rect = QRectF()
self.m_anchor = QPointF()
self.m_font = QFont()
def boundingRect(self):
anchor = self.mapFromParent(self.m_chart.mapToPosition(self.m_anchor))
rect = QRectF()
rect.setLeft(min(self.m_rect.left(), anchor.x()))
rect.setRight(max(self.m_rect.right(), anchor.x()))
rect.setTop(min(self.m_rect.top(), anchor.y()))
rect.setBottom(max(self.m_rect.bottom(), anchor.y()))
return rect
def paint(self, painter, option, widget=None):
path = QPainterPath()
path.addRoundedRect(self.m_rect, 5, 5)
anchor = self.mapFromParent(self.m_chart.mapToPosition(self.m_anchor))
if not self.m_rect.contains(anchor):
point1 = QPointF()
point2 = QPointF()
# establish the position of the anchor point in relation to m_rect
above = anchor.y() <= self.m_rect.top()
aboveCenter = (anchor.y() > self.m_rect.top()
and anchor.y() <= self.m_rect.center().y())
belowCenter = (anchor.y() > self.m_rect.center().y()
and anchor.y() <= self.m_rect.bottom())
below = anchor.y() > self.m_rect.bottom()
onLeft = anchor.x() <= self.m_rect.left()
leftOfCenter = (anchor.x() > self.m_rect.left()
and anchor.x() <= self.m_rect.center().x())
rightOfCenter = (anchor.x() > self.m_rect.center().x()
and anchor.x() <= self.m_rect.right())
onRight = anchor.x() > self.m_rect.right()
# get the nearest m_rect corner.
x = (onRight + rightOfCenter) * self.m_rect.width()
y = (below + belowCenter) * self.m_rect.height()
cornerCase = ((above and onLeft) or (above and onRight)
or (below and onLeft) or (below and onRight))
vertical = abs(anchor.x() - x) > abs(anchor.y() - y)
x1 = (x + leftOfCenter * 10 - rightOfCenter * 20 +
cornerCase * int(not vertical) *
(onLeft * 10 - onRight * 20))
y1 = (y + aboveCenter * 10 - belowCenter * 20 +
cornerCase * int(vertical) * (above * 10 - below * 20))
point1.setX(x1)
point1.setY(y1)
x2 = (x + leftOfCenter * 20 - rightOfCenter * 10 +
cornerCase * int(not vertical) *
(onLeft * 20 - onRight * 10))
y2 = (y + aboveCenter * 20 - belowCenter * 10 +
cornerCase * int(vertical) * (above * 20 - below * 10))
point2.setX(x2)
point2.setY(y2)
path.moveTo(point1)
path.lineTo(anchor)
path.lineTo(point2)
path = path.simplified()
painter.setBrush(QColor(255, 255, 255))
painter.drawPath(path)
painter.drawText(self.m_textRect, self.m_text)
def mousePressEvent(self, event):
event.setAccepted(True)
def mouseMoveEvent(self, event):
if event.buttons() & Qt.LeftButton:
self.setPos(
self.mapToParent(event.pos() -
event.buttonDownPos(Qt.LeftButton)))
event.setAccepted(True)
else:
event.setAccepted(False)
def setText(self, text):
self.m_text = text
metrics = QFontMetrics(self.m_font)
self.m_textRect = QRectF(
metrics.boundingRect(QRect(0, 0, 150, 150), Qt.AlignLeft,
self.m_text))
self.m_textRect.translate(5, 5)
self.prepareGeometryChange()
self.m_rect = self.m_textRect.adjusted(-5, -5, 5, 5)
def setAnchor(self, point):
self.m_anchor = point
def updateGeometry(self):
self.prepareGeometryChange()
self.setPos(
self.m_chart.mapToPosition(self.m_anchor) + QPoint(10, -50))
def boundingRect(self):
return QRectF(self._bounding_rect or self._rect)
def boundingRect(self):
return QRectF(0, 0, 20, 20)
def drawMagnifier(self):
# First, calculate the magnifier position due to the mouse position
watchAreaWidth = 16
watchAreaHeight = 16
watchAreaPixmap = QPixmap()
cursor_pos = self.mousePoint
watchArea = QRect(
QPoint(cursor_pos.x() - watchAreaWidth / 2,
cursor_pos.y() - watchAreaHeight / 2),
QPoint(cursor_pos.x() + watchAreaWidth / 2,
cursor_pos.y() + watchAreaHeight / 2))
if watchArea.left() < 0:
watchArea.moveLeft(0)
watchArea.moveRight(watchAreaWidth)
if self.mousePoint.x() + watchAreaWidth / 2 >= self.screenPixel.width(
):
watchArea.moveRight(self.screenPixel.width() - 1)
watchArea.moveLeft(watchArea.right() - watchAreaWidth)
if self.mousePoint.y() - watchAreaHeight / 2 < 0:
watchArea.moveTop(0)
watchArea.moveBottom(watchAreaHeight)
if self.mousePoint.y(
) + watchAreaHeight / 2 >= self.screenPixel.height():
watchArea.moveBottom(self.screenPixel.height() - 1)
watchArea.moveTop(watchArea.bottom() - watchAreaHeight)
# tricks to solve the hidpi impact on QCursor.pos()
watchArea.setTopLeft(
QPoint(watchArea.topLeft().x() * self.scale,
watchArea.topLeft().y() * self.scale))
watchArea.setBottomRight(
QPoint(watchArea.bottomRight().x() * self.scale,
watchArea.bottomRight().y() * self.scale))
watchAreaPixmap = self.screenPixel.copy(watchArea)
# second, calculate the magnifier area
magnifierAreaWidth = watchAreaWidth * 10
magnifierAreaHeight = watchAreaHeight * 10
fontAreaHeight = 40
cursorSize = 24
magnifierArea = QRectF(
QPoint(QCursor.pos().x() + cursorSize,
QCursor.pos().y() + cursorSize),
QPoint(QCursor.pos().x() + cursorSize + magnifierAreaWidth,
QCursor.pos().y() + cursorSize + magnifierAreaHeight))
if magnifierArea.right() >= self.screenPixel.width():
magnifierArea.moveLeft(QCursor.pos().x() - magnifierAreaWidth -
cursorSize / 2)
if magnifierArea.bottom() + fontAreaHeight >= self.screenPixel.height(
):
magnifierArea.moveTop(QCursor.pos().y() - magnifierAreaHeight -
cursorSize / 2 - fontAreaHeight)
# third, draw the watch area to magnifier area
watchAreaScaled = watchAreaPixmap.scaled(
QSize(magnifierAreaWidth * self.scale,
magnifierAreaHeight * self.scale))
magnifierPixmap = self.graphicsScene.addPixmap(watchAreaScaled)
magnifierPixmap.setOffset(magnifierArea.topLeft())
# then draw lines and text
self.graphicsScene.addRect(QRectF(magnifierArea),
QPen(QColor(255, 255, 255), 2))
self.graphicsScene.addLine(
QLineF(QPointF(magnifierArea.center().x(), magnifierArea.top()),
QPointF(magnifierArea.center().x(),
magnifierArea.bottom())),
QPen(QColor(0, 255, 255), 2))
self.graphicsScene.addLine(
QLineF(QPointF(magnifierArea.left(),
magnifierArea.center().y()),
QPointF(magnifierArea.right(),
magnifierArea.center().y())),
QPen(QColor(0, 255, 255), 2))
# get the rgb of mouse point
pointRgb = QColor(self.screenPixel.toImage().pixel(self.mousePoint))
# draw information
self.graphicsScene.addRect(
QRectF(
magnifierArea.bottomLeft(),
magnifierArea.bottomRight() + QPoint(0, fontAreaHeight + 30)),
QPen(Qt.black), QBrush(Qt.black))
rgbInfo = self.graphicsScene.addSimpleText(
' Rgb: ({0}, {1}, {2})'.format(pointRgb.red(), pointRgb.green(),
pointRgb.blue()))
rgbInfo.setPos(magnifierArea.bottomLeft() + QPoint(0, 5))
rgbInfo.setPen(QPen(QColor(255, 255, 255), 2))
rect = self.selectedArea.normalized()
sizeInfo = self.graphicsScene.addSimpleText(' Size: {0} x {1}'.format(
rect.width() * self.scale,
rect.height() * self.scale))
sizeInfo.setPos(magnifierArea.bottomLeft() + QPoint(0, 15) +
QPoint(0, fontAreaHeight / 2))
sizeInfo.setPen(QPen(QColor(255, 255, 255), 2))
def boundingRect(self):
return QRectF(0, -0.5, self._width, self._height)
class Chip(QGraphicsItem):
# Create the bounding rectangle once.
BoundingRect = QRectF(0, 0, 110, 70)
def __init__(self, color, x=0, y=0):
super(Chip, self).__init__()
self.color = color
self.x = x
self.y = y
self.stuff = []
self.setZValue((x + y) % 2)
self.setFlags(QGraphicsItem.ItemIsSelectable
| QGraphicsItem.ItemIsMovable)
self.setAcceptHoverEvents(True)
def boundingRect(self):
return Chip.BoundingRect
def shape(self):
path = QPainterPath()
path.addRect(14, 14, 82, 42)
return path
def paint(self, painter, option, widget):
fillColor = self.color
if option.state & QStyle.State_Selected:
fillColor = self.color.darker(150)
if option.state & QStyle.State_MouseOver:
fillColor = fillColor.lighter(125)
lod = option.levelOfDetailFromTransform(painter.worldTransform())
if lod < 0.2:
if lod < 0.125:
painter.fillRect(QRectF(0, 0, 110, 70), fillColor)
return
b = painter.brush()
painter.setBrush(fillColor)
painter.drawRect(13, 13, 97, 57)
painter.setBrush(b)
return
oldPen = painter.pen()
pen = oldPen
width = 0
if option.state & QStyle.State_Selected:
width += 2
pen.setWidth(width)
b = painter.brush()
painter.setBrush(
QBrush(
fillColor.darker(120 if (option.state
& QStyle.State_Sunken) else 100)))
painter.drawRect(QRect(14, 14, 79, 39))
painter.setBrush(b)
if lod >= 1:
painter.setPen(QPen(Qt.gray, 1))
painter.drawLine(15, 54, 94, 54)
painter.drawLine(94, 53, 94, 15)
painter.setPen(QPen(Qt.black, 0))
# Draw text
if lod >= 2:
font = QFont("Times", 10)
font.setStyleStrategy(QFont.ForceOutline)
painter.setFont(font)
painter.save()
painter.scale(0.1, 0.1)
painter.drawText(
170, 180, "Model: VSC-2000 (Very Small Chip) at {}x{}".format(
self.x, self.y))
painter.drawText(170, 200,
"Serial number: DLWR-WEER-123L-ZZ33-SDSJ")
painter.drawText(170, 220, "Manufacturer: Chip Manufacturer")
painter.restore()
# Draw lines
lines = [] # QVarLengthArray < QLineF, 36 >
if lod >= 0.5:
for i in range(
0, 11, 1 if lod > 0.5 else
2): # (int i = 0 i <= 10 i += (1 if lod > 0.5 else 2)):
lines.append(QLineF(18 + 7 * i, 13, 18 + 7 * i, 5))
lines.append(QLineF(18 + 7 * i, 54, 18 + 7 * i, 62))
for i in range(0, 6, 1 if lod > 0.5 else
2): # (int i = 0 i <= 6 i += (lod > 0.5 ? 1: 2)) {
lines.append(QLineF(5, 18 + i * 5, 13, 18 + i * 5))
lines.append(QLineF(94, 18 + i * 5, 102, 18 + i * 5))
if lod >= 0.4:
lineData = [
QLineF(25, 35, 35, 35),
QLineF(35, 30, 35, 40),
QLineF(35, 30, 45, 35),
QLineF(35, 40, 45, 35),
QLineF(45, 30, 45, 40),
QLineF(45, 35, 55, 35)
]
lines.extend(lineData)
painter.drawLines(lines)
# Draw red ink
if len(self.stuff) > 1:
p = painter.pen()
painter.setPen(
QPen(Qt.red, 1, Qt.SolidLine, Qt.RoundCap, Qt.RoundJoin))
painter.setBrush(Qt.NoBrush)
path = QPainterPath
path.moveTo(self.stuff[0])
for i in range(1, len(self.stuff)):
path.lineTo(self.stuff[i])
painter.drawPath(path)
painter.setPen(p)
"""
# Body.
painter.setBrush(self.color)
painter.drawEllipse(-10, -20, 20, 40)
# Eyes.
painter.setBrush(Qt.white)
painter.drawEllipse(-10, -17, 8, 8)
painter.drawEllipse(2, -17, 8, 8)
# Nose.
painter.setBrush(Qt.black)
painter.drawEllipse(QRectF(-2, -22, 4, 4))
# Pupils.
painter.drawEllipse(QRectF(-8.0 + self.mouseEyeDirection, -17, 4, 4))
painter.drawEllipse(QRectF(4.0 + self.mouseEyeDirection, -17, 4, 4))
# Ears.
if self.scene().collidingItems(self):
painter.setBrush(Qt.red)
else:
painter.setBrush(Qt.darkYellow)
painter.drawEllipse(-17, -12, 16, 16)
painter.drawEllipse(1, -12, 16, 16)
# Tail.
path = QPainterPath(QPointF(0, 20))
path.cubicTo(-5, 22, -5, 22, 0, 25)
path.cubicTo(5, 27, 5, 32, 0, 30)
path.cubicTo(-5, 32, -5, 42, 0, 35)
painter.setBrush(Qt.NoBrush)
painter.drawPath(path)
"""
def mousePressEvent(self, event):
super(Chip, self).mousePressEvent(event)
self.update()
def mouseMoveEvent(self, event):
if event.modifiers() & Qt.ShiftModifier:
self.stuff.append(event.pos())
self.update()
return
super(Chip, self).mouseMoveEvent(event)
def mouseReleaseEvent(self, event):
super(Chip, self).mouseReleaseEvent(event)
self.update()
def drawOneStep(self, step):
"""
:type step: tuple
"""
if step[0] == ACTION_RECT:
self.graphicsScene.addRect(
QRectF(QPointF(step[1], step[2]), QPointF(step[3], step[4])),
step[5])
elif step[0] == ACTION_ELLIPSE:
self.graphicsScene.addEllipse(
QRectF(QPointF(step[1], step[2]), QPointF(step[3], step[4])),
step[5])
elif step[0] == ACTION_ARROW:
arrow = QPolygonF()
linex = float(step[1] - step[3])
liney = float(step[2] - step[4])
line = sqrt(pow(linex, 2) + pow(liney, 2))
# in case to divided by 0
if line == 0:
return
sinAngel = liney / line
cosAngel = linex / line
# sideLength is the length of bottom side of the body of an arrow
# arrowSize is the size of the head of an arrow, left and right
# sides' size is arrowSize, and the bottom side's size is arrowSize / 2
sideLength = step[5].width()
arrowSize = 8
bottomSize = arrowSize / 2
tmpPoint = QPointF(step[3] + arrowSize * sideLength * cosAngel,
step[4] + arrowSize * sideLength * sinAngel)
point1 = QPointF(step[1] + sideLength * sinAngel,
step[2] - sideLength * cosAngel)
point2 = QPointF(step[1] - sideLength * sinAngel,
step[2] + sideLength * cosAngel)
point3 = QPointF(tmpPoint.x() - sideLength * sinAngel,
tmpPoint.y() + sideLength * cosAngel)
point4 = QPointF(tmpPoint.x() - bottomSize * sideLength * sinAngel,
tmpPoint.y() + bottomSize * sideLength * cosAngel)
point5 = QPointF(step[3], step[4])
point6 = QPointF(tmpPoint.x() + bottomSize * sideLength * sinAngel,
tmpPoint.y() - bottomSize * sideLength * cosAngel)
point7 = QPointF(tmpPoint.x() + sideLength * sinAngel,
tmpPoint.y() - sideLength * cosAngel)
arrow.append(point1)
arrow.append(point2)
arrow.append(point3)
arrow.append(point4)
arrow.append(point5)
arrow.append(point6)
arrow.append(point7)
arrow.append(point1)
self.graphicsScene.addPolygon(arrow, step[5], step[6])
elif step[0] == ACTION_LINE:
self.graphicsScene.addLine(
QLineF(QPointF(step[1], step[2]), QPointF(step[3], step[4])),
step[5])
elif step[0] == ACTION_FREEPEN:
self.graphicsScene.addPath(step[1], step[2])
elif step[0] == ACTION_TEXT:
textAdd = self.graphicsScene.addSimpleText(step[1], step[2])
textAdd.setPos(step[3])
textAdd.setBrush(QBrush(step[4]))
self.textRect = textAdd.boundingRect()