Python QPixmap.size方法代码示例

# 需要导入模块: from qtpy.QtGui import QPixmap [as 别名]
# 或者: from qtpy.QtGui.QPixmap import size [as 别名]
    def imageFiles(self, new_files):
        """
        JSON-formatted dictionary keyed on states (integers), with filenames
        of the image file to display for the state.

        Parameters
        ----------
        new_files : str
        """
        self._state_images_string = str(new_files)
        try:
            new_file_dict = json.loads(self._state_images_string)
        except Exception:
            self._state_images = {}
            return
        self._sizeHint = QSize(0, 0)
        for (state, filename) in new_file_dict.items():
            if is_pydm_app():
                try:
                    file_path = self.app.get_path(filename)
                except Exception as e:
                    logger.exception("Couldn't get file with path %s", filename)
                    file_path = filename
            else:
                file_path = filename
            # First, lets try SVG.  We have to try SVG first, otherwise
            # QPixmap will happily load the SVG and turn it into a raster image.
            # Really annoying: We have to try to load the file as SVG,
            # and we expect it will fail often (because many images aren't SVG).
            # Qt prints a warning message to stdout any time SVG loading fails.
            # So we have to temporarily silence Qt warning messages here.
            qInstallMessageHandler(self.qt_message_handler)
            svg = QSvgRenderer()
            svg.repaintNeeded.connect(self.update)
            if svg.load(file_path):
                self._state_images[int(state)] = (filename, svg)
                self._sizeHint = self._sizeHint.expandedTo(svg.defaultSize())
                qInstallMessageHandler(None)
                continue
            qInstallMessageHandler(None)
            # SVG didn't work, lets try QPixmap
            image = QPixmap(file_path)
            if not image.isNull():
                self._state_images[int(state)] = (filename, image)
                self._sizeHint = self._sizeHint.expandedTo(image.size())
                continue
            # If we get this far, the file specified could not be loaded at all.
            logger.error("Could not load image: {}".format(filename))
            self._state_images[int(state)] = (filename, None)

# 需要导入模块: from qtpy.QtGui import QPixmap [as 别名]
# 或者: from qtpy.QtGui.QPixmap import size [as 别名]

#.........这里部分代码省略.........
        for widget in self.widgets:
            widget.setDisabled(False)

        if self.button_disable == 'previous':
            self.button_previous.setDisabled(True)
            self.button_home.setDisabled(True)
        elif self.button_disable == 'next':
            self.button_next.setDisabled(True)
            self.button_end.setDisabled(True)

    def set_data(self, title, content, current, image, run, frames=None,
                 step=None):
        """ """
        self.label_title.setText(title)
        self.combo_title.clear()
        self.combo_title.addItems(frames)
        self.combo_title.setCurrentIndex(step)
#        min_content_len = max([len(f) for f in frames])
#        self.combo_title.setMinimumContentsLength(min_content_len)

        # Fix and try to see how it looks with a combo box
        self.label_current.setText(current)
        self.button_current.setText(current)
        self.label_content.setText(content)
        self.image = image

        if image is None:
            self.label_image.setFixedHeight(1)
            self.label_image.setFixedWidth(1)
        else:
            extension = image.split('.')[-1]
            self.image = QPixmap(get_image_path(image), extension)
            self.label_image.setPixmap(self.image)
            self.label_image.setFixedSize(self.image.size())

        if run is None:
            self.button_run.setVisible(False)
        else:
            self.button_run.setDisabled(False)
            self.button_run.setVisible(True)

        # Refresh layout
        self.layout().activate()

    def set_pos(self, x, y):
        """ """
        self.x = x
        self.y = y
        self.move(QPoint(x, y))

    def build_paths(self):
        """ """
        geo = self.geometry()
        radius = 0
        shadow = self.offset_shadow
        x0, y0 = geo.x(), geo.y()
        width, height = geo.width() - shadow, geo.height() - shadow

        left, top = 0, 0
        right, bottom = width, height

        self.round_rect_path = QPainterPath()
        self.round_rect_path.moveTo(right, top + radius)
        self.round_rect_path.arcTo(right-radius, top, radius, radius, 0.0,
                                   90.0)
        self.round_rect_path.lineTo(left+radius, top)