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)
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()
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()