def drawMagnifierOnVideo(width, height, maskPixmap, dragPos, zoomPixmap, surface, painter, offset): ''' Draw Magnifier on Video ''' dim = min(width, height) MAX_MAGNIFIER = 229 magnifierSize = min(MAX_MAGNIFIER, dim * 2 / 3) radius = magnifierSize / 2 ring = radius - 15 box = QSize(magnifierSize, magnifierSize) # reupdate our mask if maskPixmap.size() != box: maskPixmap = QPixmap(box) maskPixmap.fill(Qt.transparent) g = QRadialGradient() g.setCenter(radius, radius) g.setFocalPoint(radius, radius) g.setRadius(radius) g.setColorAt(1.0, QColor(64, 64, 64, 0)) g.setColorAt(0.5, QColor(0, 0, 0, 255)) mask = QPainter(maskPixmap) mask.setRenderHint(QPainter.HighQualityAntialiasing) mask.setCompositionMode(QPainter.CompositionMode_Source) mask.setBrush(g) mask.setPen(Qt.NoPen) mask.drawRect(maskPixmap.rect()) mask.setBrush(QColor(Qt.transparent)) mask.drawEllipse(g.center(), ring, ring) mask.end() center = 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 zoomPixmap.size() != box: zoomPixmap = QPixmap(box) zoomPixmap.fill(Qt.lightGray) if True: painter_p = QPainter(zoomPixmap) painter_p.translate(-xy) largePixmap = QPixmap.fromImage(surface.image) painter_p.drawPixmap(offset, largePixmap) painter_p.end() clipPath = QPainterPath() clipPath.addEllipse(QPointF(center), ring, ring) painter.setClipPath(clipPath) painter.drawPixmap(corner, zoomPixmap) painter.setClipping(False) painter.drawPixmap(corner, maskPixmap) painter.setPen(Qt.gray) painter.drawPath(clipPath) return
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()
def paintEvent(self, event): self.gt = GetGCPGeoTransform() painter = QPainter(self) if (self.surface.isActive()): videoRect = self.surface.videoRect() if not videoRect.contains(event.rect()): region = event.region() region.subtracted(QRegion(videoRect)) brush = self.palette().window() for rect in region.rects(): painter.fillRect(rect, brush) try: self.surface.paint(painter) except Exception: None else: painter.fillRect(event.rect(), self.palette().window()) try: SetImageSize(self.surface.currentFrame.width(), self.surface.currentFrame.height()) except: None # Magnifier Glass if self.zoomed and magnifier: 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(64, 64, 64, 0)) g.setColorAt(0.5, QColor(0, 0, 0, 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: painter = QPainter(self.zoomPixmap) painter.translate(-xy) self.largePixmap = QPixmap.fromImage(self.surface.image) painter.drawPixmap(self.offset, self.largePixmap) painter.end() clipPath = QPainterPath() clipPath.addEllipse(QPointF(center), ring, ring) painter = QPainter(self) painter.setRenderHint(QPainter.Antialiasing) painter.setClipPath(clipPath) painter.drawPixmap(corner, self.zoomPixmap) painter.drawPixmap(corner, self.maskPixmap) painter.setPen(Qt.gray) painter.drawPath(clipPath) return