def paintEvent(self, *args):
painter = QPainter(self)
painter.setRenderHint(QPainter.Antialiasing)
painter.setBrush(Qt.black)
painter.setPen(QPen(Qt.transparent))
for block in self.blocks:
painter.drawRect(block)
if self.debug:
lines = list()
points = list()
for p1 in self.graph:
for p2 in self.graph[p1]:
lines.append(QLine(*p1, *p2))
points.append(QPoint(*p1))
points.append(QPoint(*p2))
painter.setPen(QPen(Qt.black))
painter.drawLines(lines)
painter.setPen(QPen(Qt.red, 3))
painter.drawPoints(points)
if self.path:
painter.setPen(QPen(Qt.green))
painter.setBrush(Qt.transparent)
p = QPainterPath()
p.moveTo(*self.path[0])
for point in self.path:
p.lineTo(*point)
painter.drawPath(p)
def draw(cls, x, y, self: PreparedText, painter: QPainter):
font = QFont(self.fontName)
if self.fontSize:
font.setPointSizeF(self.fontSize)
if self.fontBold:
font.setBold(True)
if self.fontItalic:
font.setItalic(True)
brushStyle = self.brushStyle or Qt.BrushStyle.SolidPattern
w = self.width
h = self.height
tx = self.left + x
ty = self.top + y
if self.border:
w -= self.border.width
h -= self.border.width * 2
tx += self.border.width
ty += self.border.width
rect = QRectF(tx, ty, w, h)
if self.backColor:
painter.setBrush(brush_style_map[brushStyle])
painter.fillRect(rect, QColor('#' + hex(self.backColor)[2:]))
if self.allowTags:
doc = QTextDocument()
doc.setDefaultFont(font)
doc.setHtml(self.text)
doc.setDocumentMargin(0)
painter.save()
painter.translate(tx + 2, ty + 1)
doc.drawContents(painter, QRectF(0, 0, self.width, self.height))
painter.restore()
else:
painter.save()
painter.setFont(font)
flags = cls.textFlags(self)
rect.setX(rect.x() + 2)
rect.setY(rect.y() + 1)
painter.drawText(rect, flags, self.text)
painter.restore()
if self.border and self.border.color is not None:
old_pen = painter.pen()
pen = QPen(
QColor(self.border.color), self.border.width,
pen_style_map.get(self.border.style, Qt.PenStyle.SolidLine))
painter.setPen(pen)
painter.drawLines(
cls.getLines(self, self.left + x, self.top + y,
self.left + self.width + x,
self.top + y + self.height))
painter.setPen(old_pen)
def paintEvent(self, event):
super().paintEvent(event)
painter = QPainter(self)
painter.beginNativePainting()
painter.setRenderHint(QPainter.Antialiasing)
painter.setRenderHint(QPainter.SmoothPixmapTransform)
painter.setPen(QPen(Qt.green, 1, Qt.DotLine))
painter.drawRect(self.rubberband.rect())
painter.setPen(QPen(Qt.green, 1))
x_begin = self.rubberband.x()
x_half = self.rubberband.x() + self.rubberband.width() / 2
x_full = self.rubberband.x() + self.rubberband.width()
y_begin = self.rubberband.y()
y_half = self.rubberband.y() + self.rubberband.height() / 2
y_full = self.rubberband.y() + self.rubberband.height()
points = [QPoint(x_half, y_begin), QPoint(x_half, y_full)]
painter.drawLines(points)
painter.endNativePainting()
painter.end()
def drawLine(self, painter: QPainter) -> None:
painter.save()
painter.setPen(QPen(self.__lineColor, 2))
count: int = len(self.__dataVec)
increment: float = self.width() / count
initX: float = 0.0
pointVec: List[QPointF] = []
for i in range(count - 1):
currentValue: float = self.__currentDataVec[i]
y1: float = self.height() - self.height() / self.__maxValue * currentValue
nextValue: float = self.__currentDataVec[i + 1]
y2: float = self.height() - self.height() / self.__maxValue * nextValue
point1: QPointF = QPointF(initX, y1)
point2: QPointF = QPointF(initX + increment, y2)
initX += increment
pointVec.append(point1)
pointVec.append(point2)
painter.drawLines(pointVec)
painter.restore()
class QPainterDrawText(unittest.TestCase):
def setUp(self):
self.painter = QPainter()
self.text = "teste!"
def tearDown(self):
del self.text
del self.painter
def testDrawText(self):
# bug #254
rect = self.painter.drawText(100, 100, 100, 100, Qt.AlignCenter | Qt.TextWordWrap, self.text)
self.assert_(isinstance(rect, QRect))
def testDrawTextWithRect(self):
# bug #225
rect = QRect(100, 100, 100, 100)
newRect = self.painter.drawText(rect, Qt.AlignCenter | Qt.TextWordWrap, self.text)
self.assert_(isinstance(newRect, QRect))
def testDrawTextWithRectF(self):
"""QPainter.drawText(QRectF, ... ,QRectF*) inject code"""
rect = QRectF(100, 52.3, 100, 100)
newRect = self.painter.drawText(rect, Qt.AlignCenter | Qt.TextWordWrap, self.text)
self.assert_(isinstance(newRect, QRectF))
def testDrawOverloads(self):
"""Calls QPainter.drawLines overloads, if something is
wrong Exception and chaos ensues. Bug #395"""
self.painter.drawLines([QLine(QPoint(0, 0), QPoint(1, 1))])
self.painter.drawLines([QPoint(0, 0), QPoint(1, 1)])
self.painter.drawLines([QPointF(0, 0), QPointF(1, 1)])
self.painter.drawLines([QLineF(QPointF(0, 0), QPointF(1, 1))])
self.painter.drawPoints([QPoint(0, 0), QPoint(1, 1)])
self.painter.drawPoints([QPointF(0, 0), QPointF(1, 1)])
self.painter.drawConvexPolygon(
[QPointF(10.0, 80.0), QPointF(20.0, 10.0), QPointF(80.0, 30.0), QPointF(90.0, 70.0)]
)
self.painter.drawConvexPolygon([QPoint(10.0, 80.0), QPoint(20.0, 10.0), QPoint(80.0, 30.0), QPoint(90.0, 70.0)])
self.painter.drawPolygon([QPointF(10.0, 80.0), QPointF(20.0, 10.0), QPointF(80.0, 30.0), QPointF(90.0, 70.0)])
self.painter.drawPolygon([QPoint(10.0, 80.0), QPoint(20.0, 10.0), QPoint(80.0, 30.0), QPoint(90.0, 70.0)])
self.painter.drawPolyline([QPointF(10.0, 80.0), QPointF(20.0, 10.0), QPointF(80.0, 30.0), QPointF(90.0, 70.0)])
self.painter.drawPolyline([QPoint(10.0, 80.0), QPoint(20.0, 10.0), QPoint(80.0, 30.0), QPoint(90.0, 70.0)])
class QPainterDrawText(unittest.TestCase):
def setUp(self):
self.painter = QPainter()
self.text = 'teste!'
def tearDown(self):
del self.text
del self.painter
def testDrawText(self):
# bug #254
rect = self.painter.drawText(100, 100, 100, 100,
Qt.AlignCenter | Qt.TextWordWrap,
self.text)
self.assertTrue(isinstance(rect, QRect))
def testDrawTextWithRect(self):
# bug #225
rect = QRect(100, 100, 100, 100)
newRect = self.painter.drawText(rect, Qt.AlignCenter | Qt.TextWordWrap,
self.text)
self.assertTrue(isinstance(newRect, QRect))
def testDrawTextWithRectF(self):
'''QPainter.drawText(QRectF, ... ,QRectF*) inject code'''
rect = QRectF(100, 52.3, 100, 100)
newRect = self.painter.drawText(rect, Qt.AlignCenter | Qt.TextWordWrap,
self.text)
self.assertTrue(isinstance(newRect, QRectF))
def testDrawOverloads(self):
'''Calls QPainter.drawLines overloads, if something is
wrong Exception and chaos ensues. Bug #395'''
self.painter.drawLines([QLine(QPoint(0,0), QPoint(1,1))])
self.painter.drawLines([QPoint(0,0), QPoint(1,1)])
self.painter.drawLines([QPointF(0,0), QPointF(1,1)])
self.painter.drawLines([QLineF(QPointF(0,0), QPointF(1,1))])
self.painter.drawPoints([QPoint(0,0), QPoint(1,1)])
self.painter.drawPoints([QPointF(0,0), QPointF(1,1)])
self.painter.drawConvexPolygon([QPointF(10.0, 80.0),
QPointF(20.0, 10.0),
QPointF(80.0, 30.0),
QPointF(90.0, 70.0)])
self.painter.drawConvexPolygon([QPoint(10.0, 80.0),
QPoint(20.0, 10.0),
QPoint(80.0, 30.0),
QPoint(90.0, 70.0)])
self.painter.drawPolygon([QPointF(10.0, 80.0),
QPointF(20.0, 10.0),
QPointF(80.0, 30.0),
QPointF(90.0, 70.0)])
self.painter.drawPolygon([QPoint(10.0, 80.0),
QPoint(20.0, 10.0),
QPoint(80.0, 30.0),
QPoint(90.0, 70.0)])
self.painter.drawPolyline([QPointF(10.0, 80.0),
QPointF(20.0, 10.0),
QPointF(80.0, 30.0),
QPointF(90.0, 70.0)])
self.painter.drawPolyline([QPoint(10.0, 80.0),
QPoint(20.0, 10.0),
QPoint(80.0, 30.0),
QPoint(90.0, 70.0)])
def paint(self,
painter: QPainter,
option: QStyleOptionGraphicsItem,
widget: QWidget = ...):
fillColor = self.color.darker(
150) if option.state & QStyle.State_Selected else self.color
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,
f"Model: VSC-2000 (Very Small Chip) at {self.x}x{self.y}")
painter.drawText(170, 200,
"Serial number: DLWR-WEER-123L-ZZ33-SDSJ")
painter.drawText(170, 220, "Manufacturer: Chip Manufacturer")
painter.restore()
# Drawlines
lines: List[QLineF] = []
if lod >= 0.5:
s = 1 if lod > 0.5 else 2
for i in range(0, 11, s):
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, 7, s):
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:
lines.extend([
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)
])
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)
