def paintEvent(self, event): painter = QPainter(self) painter.setRenderHint(painter.Antialiasing) #painter.setBrush(QBrush(Qt.black, Qt.NoBrush)) #painter.drawRect(self.winBox) # border # value selector indicator painter.setBrush(QBrush(Qt.black, Qt.SolidPattern)) painter.drawPie(self.vIdBox, 16 * (degrees(self.vIdAng) - 22.5), 720) # value selector arc painter.setClipPath(self.vArcPath) painter.setPen(Qt.NoPen) arc = QConicalGradient(self.cen, self.e_ang) color = QColor() color.setHsv(self.hue, self.sat, 255) arc.setColorAt(1 - (self.e_ang - self.s_ang) / 360.0, color) arc.setColorAt(1, Qt.black) arc.setColorAt(0, Qt.black) painter.setBrush(arc) painter.drawPath(self.vArcPath) painter.setClipPath(self.vArcPath, Qt.NoClip) # color wheel painter.setPen(Qt.NoPen) painter.setBrush(self.cWhlBrush1) painter.drawEllipse(self.cWhBox) painter.setBrush(self.cWhlBrush2) painter.drawEllipse(self.cWhBox) # crosshairs painter.setClipPath(self.colWhlPath) painter.setBrush(QBrush(Qt.black, Qt.SolidPattern)) chVert = QRectF(0, 0, 2, 20) chHort = QRectF(0, 0, 20, 2) chVert.moveCenter(self.chPt) chHort.moveCenter(self.chPt) painter.drawRect(chVert) painter.drawRect(chHort) # named color locations if self._showNames: painter.setClipPath(self.vArcPath, Qt.NoClip) painter.setPen(Qt.SolidLine) try: painter.drawPoints(*self._namedColorPts) # PyQt except: painter.drawPoints(self._namedColorPts) # PySide
def paintEvent(self, event): p = QPainter() p.begin(self) self._normalMap.render(p, event.rect()) p.setPen(Qt.black) # p.drawText(self.rect(), Qt.AlignBottom | Qt.TextWordWrap, "Map data CCBYSA 2009 OpenStreetMap.org contributors") p.end() if self.zoomed: dim = min(self.width(), self.height()) magnifierSize = min(MAX_MAGNIFIER, dim * 2 / 3) radius = magnifierSize / 2 ring = radius - 15 box = QSize(magnifierSize, magnifierSize) # reupdate our mask if self.maskPixmap.size() != box: self.maskPixmap = QPixmap(box) self.maskPixmap.fill(Qt.transparent) g = QRadialGradient() g.setCenter(radius, radius) g.setFocalPoint(radius, radius) g.setRadius(radius) g.setColorAt(1.0, QColor(255, 255, 255, 0)) g.setColorAt(0.5, QColor(128, 128, 128, 255)) mask = QPainter(self.maskPixmap) mask.setRenderHint(QPainter.Antialiasing) mask.setCompositionMode(QPainter.CompositionMode_Source) mask.setBrush(g) mask.setPen(Qt.NoPen) mask.drawRect(self.maskPixmap.rect()) mask.setBrush(QColor(Qt.transparent)) mask.drawEllipse(g.center(), ring, ring) mask.end() center = self.dragPos - QPoint(0, radius) center += QPoint(0, radius / 2) corner = center - QPoint(radius, radius) xy = center * 2 - QPoint(radius, radius) # only set the dimension to the magnified portion if self.zoomPixmap.size() != box: self.zoomPixmap = QPixmap(box) self.zoomPixmap.fill(Qt.lightGray) if True: p = QPainter(self.zoomPixmap) p.translate(-xy) self._largeMap.render(p, QRect(xy, box)) p.end() clipPath = QPainterPath() clipPath.addEllipse(QPointF(center), ring, ring) p = QPainter(self) p.setRenderHint(QPainter.Antialiasing) p.setClipPath(clipPath) p.drawPixmap(corner, self.zoomPixmap) p.setClipping(False) p.drawPixmap(corner, self.maskPixmap) p.setPen(Qt.gray) p.drawPath(clipPath) if self.invert: p = QPainter(self) p.setCompositionMode(QPainter.CompositionMode_Difference) p.fillRect(event.rect(), Qt.white) p.end()