def openFile(self, filepath=False):
if not filepath:
filefilter = "Image files (*.jpg *.png *.jpeg *.svg *.gif *.tiff *.ppm *.bmp);;JPEG Images (*.jpg *.jpeg);;PNG Images (*.png);;SVG Images (*.svg);;All Files (*)"
filepath, sel_filter = QFileDialog.getOpenFileName(
self, 'Open Image', self.filepath, filefilter)
if filepath == '': return
image_reader = QImageReader(filepath)
if image_reader.format() == 'gif': # For gif animations
anim = QMovie(filepath)
self.image.setAnimation(anim)
self.adjustWindowSize(True)
self.statusbar.showMessage(
"Resolution : %ix%i" %
(self.image.width(), self.image.height()))
self.disableButtons(True)
else: # For static images
image_reader.setAutoTransform(True)
pm = QPixmap.fromImageReader(image_reader)
if not pm.isNull():
self.image.scale = self.getOptimumScale(pm)
self.image.setImage(pm)
self.adjustWindowSize()
self.disableButtons(False)
else:
return
self.filepath = filepath
self.setWindowTitle(QFileInfo(filepath).fileName())
def image_and_format_from_data(data):
' Create an image object from the specified data which should be a bytestring and also return the format of the image '
ba = QByteArray(data)
buf = QBuffer(ba)
buf.open(QBuffer.ReadOnly)
r = QImageReader(buf)
fmt = bytes(r.format()).decode('utf-8')
return r.read(), fmt
