Exemplo n.º 1
0
    def updateImage(self, dummy=None):

        if self._images is None:
            raise RuntimeError("No images set!")

        images = list()
        contours = dict()

        ccolor = AtConfig().contours_complementary_color

        for i, n in self.checkedChannels().iteritems():
            # converting the gray image to the color defined in the button
            color = self.widgetAt(i, 1).currentColor()
            image = self._images[i]
            lut = self.enhancer.lut_from_color(i, color, 256)
            image.setColorTable(lut)
            images.append(image)
            if self._contours is not None:
                if ccolor:
                    color = AtPainter.complementaryColor(color)
                contours[color] = self._contours[n]

        pixmap = AtPainter.blend(images)

        # sometimes qt segfaults when drawing polygons
        if AtConfig().draw_contours_in_pixmap:
            pixmap = AtPainter.drawContours(pixmap, contours)
            self.newContourImage.emit(pixmap, None)
        else:
            self.newContourImage.emit(pixmap, contours)
Exemplo n.º 2
0
    def updateImage(self, dummy=None):

        if self._images is None:
            raise RuntimeError("No images set!")

        images = list()
        contours = dict()

        ccolor = AtConfig().contours_complementary_color

        for i, n in self.checkedChannels().iteritems():
            # converting the gray image to the color defined in the button
            color = self.widgetAt(i, 1).currentColor()
            image = self._images[i]
            lut = self.enhancer.lut_from_color(i, color, 256)
            image.setColorTable(lut)
            images.append(image)
            if self._contours is not None:
                if ccolor:
                    color = AtPainter.complementaryColor(color)
                contours[color] = self._contours[n]

        pixmap = AtPainter.blend(images)

        # sometimes qt segfaults when drawing polygons
        if AtConfig().draw_contours_in_pixmap:
            pixmap = AtPainter.drawContours(pixmap, contours)
            self.newContourImage.emit(pixmap, None)
        else:
            self.newContourImage.emit(pixmap, contours)
Exemplo n.º 3
0
    def __init__(self, item, *args, **kw):
        super(CellGraphicsItem, self).__init__(*args, **kw)
        self.setAcceptHoverEvents(True)

        self._pixmap = None
        self._mask = None
        self.class_ = UnClassified

        self.shape = item.image.shape
        self.setPixmap(item.pixmap)
        self.features = item.features
        self.frame = item.frame
        self.objid = item.objid
        self.index = item.index
        self.hash = item.hash
        self.path = item.path
        self.treatment = item.treatment
        self.qimages = list(item.iterQImages())
        self._is_training_sample = False

        ccolor = AtConfig().contours_complementary_color

        if item.contour is not None:
            for contour, color in item.iterContours():
                if ccolor:
                    color = AtPainter.complementaryColor(color)
                self.setContour(contour, color)

        self._addDescription()
        self.setFlag(self.ItemIsSelectable)
        self.sortkey = None
Exemplo n.º 4
0
    def enhancePixmap(self, index, lut):
        self.qimages[index].setColorTable(lut)

        qimages = [img for img, flag in zip(self.qimages, self._image_flags)
                   if flag]

        if not qimages:
            self._pixmap = QtGui.QPixmap(self.shape[0], self.shape[1])
            self._pixmap.fill(Colors.black)
        else:
            self._pixmap = AtPainter.blend(qimages)
        self._pixmapItem.setPixmap(self._pixmap)
Exemplo n.º 5
0
    def updateView(self, dummy=None):

        if self._images is None:
            raise RuntimeError("No images set!")

        images = list()
        contours = dict()
        ccolor = AtConfig().contours_complementary_color

        for i, n in self.checkedChannels().iteritems():
            # converting the gray image to the color defined in the button
            image = self._images[i]
            lut = self.lut_from_channel(i, 256)
            image.setColorTable(lut)
            images.append(image)
            if self._contours is not None:
                color = QtGui.QColor(self.colors[n])
                if ccolor:
                    color = AtPainter.complementaryColor(color)
                contours[color] = self._contours[n]

        pixmap = AtPainter.blend(images)
        self.newContourImage.emit(pixmap, contours)
Exemplo n.º 6
0
    def iterQImages(self):
        """Iterator over qimages (indexed_8) with colortable set."""

        iinfo = np.iinfo(self.image.dtype)
        ncolors = abs(iinfo.max - iinfo.min) + 1
        luts = [AtPainter.lut_from_color(QColor(c), ncolors)
                for c in self.colors]

        for i, color in enumerate(self.colors):
            if self.image.ndim == 2:
                image = gray2qimage(self.image, normalize=False)
            else:
                image = gray2qimage(self.image[:, :, i], normalize=False)
            image.setColorTable(luts[i])
            yield image
Exemplo n.º 7
0
    def iterQImages(self):
        """Iterator over qimages (indexed_8) with colortable set."""

        iinfo = np.iinfo(self.image.dtype)
        ncolors = abs(iinfo.max - iinfo.min) + 1
        luts = [
            AtPainter.lut_from_color(QColor(c), ncolors) for c in self.colors
        ]

        for i, color in enumerate(self.colors):
            if self.image.ndim == 2:
                image = gray2qimage(self.image, normalize=False)
            else:
                image = gray2qimage(self.image[:, :, i], normalize=False)
            image.setColorTable(luts[i])
            yield image
Exemplo n.º 8
0
 def pixmap(self):
     # XXX be aware of thread safety
     images = list(self.iterQImages())
     return AtPainter.blend(images)
Exemplo n.º 9
0
 def pixmap(self):
     # XXX be aware of thread safety
     images = list(self.iterQImages())
     return AtPainter.blend(images)
Exemplo n.º 10
0
 def enhancePixmap(self, index, lut):
     self.qimages[index].setColorTable(lut)
     self._pixmap = AtPainter.blend(self.qimages)
     self._pixmapItem.setPixmap(self._pixmap)