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