コード例 #1
0
class ColorImage(QQuickPaintedItem):
    def __init__(self, parent=None):
        super().__init__(parent)
        self._source = QUrl()
        self._color = QColor()
        self._svg_data = b""
        self._renderer = None

    sourceChanged = pyqtSignal()
    colorChanged = pyqtSignal()

    def _updateSVG(self) -> None:
        if not self._source or self._source.toLocalFile() == "":
            return
        try:
            with open(self._source.toLocalFile(), "rb") as f:
                self._svg_data = f.read()
        except FileNotFoundError:
            Logger.log(
                "w",
                f"Unable to find image located at {self._source.toLocalFile()}"
            )
            return
        self._svg_data = self._svg_data.replace(
            b"<svg ",
            b"<svg fill=\"%s\" " % self._color.name().encode("utf-8"))
        self._renderer = QSvgRenderer(self._svg_data)
        self.update()

    def setSource(self, source: QUrl) -> None:
        if self._source != source:
            self._source = source
            self.sourceChanged.emit()
            self._updateSVG()

    @pyqtProperty(QUrl, fset=setSource, notify=sourceChanged)
    def source(self) -> QUrl:
        return self._source

    def setColor(self, color: QColor) -> None:
        if self._color != color:
            self._color = color
            self.colorChanged.emit()
            self._updateSVG()

    @pyqtProperty(QColor, fset=setColor, notify=colorChanged)
    def color(self) -> QColor:
        return self._color

    def paint(self, painter: QPainter) -> None:
        pixel_ratio = Application.getInstance().getMainWindow(
        ).effectiveDevicePixelRatio()
        painter.scale(1 / pixel_ratio, 1 / pixel_ratio)
        if self._renderer:
            self._renderer.render(painter)
コード例 #2
0
 def _readLocalFile(self,
                    file: QUrl,
                    add_to_recent_files_hint: bool = True) -> None:
     from UM.FileHandler.ReadFileJob import ReadFileJob
     filename = file.toLocalFile()
     job = ReadFileJob(filename,
                       handler=self,
                       add_to_recent_files=add_to_recent_files_hint)
     job.finished.connect(self._readWorkspaceFinished)
     job.start()
コード例 #3
0
 def _readLocalFile(self,
                    file: QUrl,
                    add_to_recent_files_hint: bool = True):
     # We need to prevent circular dependency, so do some just in time importing.
     from UM.Mesh.ReadMeshJob import ReadMeshJob
     filename = file.toLocalFile()
     job = ReadMeshJob(filename,
                       add_to_recent_files=add_to_recent_files_hint)
     job.finished.connect(self._readMeshFinished)
     job.start()