diff options
Diffstat (limited to 'gr-qtgui/python/qtgui/graphicitem.py')
| -rw-r--r-- | gr-qtgui/python/qtgui/graphicitem.py | 39 |
1 files changed, 22 insertions, 17 deletions
diff --git a/gr-qtgui/python/qtgui/graphicitem.py b/gr-qtgui/python/qtgui/graphicitem.py index ecc7cc20fc..871aa09497 100644 --- a/gr-qtgui/python/qtgui/graphicitem.py +++ b/gr-qtgui/python/qtgui/graphicitem.py @@ -20,6 +20,7 @@ import sys from gnuradio import gr import pmt + class GrGraphicItem(gr.sync_block, QLabel): """ This block displays the selected graphic item. You can pass a @@ -32,8 +33,10 @@ class GrGraphicItem(gr.sync_block, QLabel): Otherwise items are indexed by filename and can be animated throughout the background image. """ + def __init__(self, image_file, scaleImage=True, fixedSize=False, setWidth=0, setHeight=0): - gr.sync_block.__init__(self, name="GrGraphicsItem", in_sig=None, out_sig=None) + gr.sync_block.__init__(self, name="GrGraphicsItem", + in_sig=None, out_sig=None) QLabel.__init__(self) if not os.path.isfile(image_file): @@ -67,9 +70,9 @@ class GrGraphicItem(gr.sync_block, QLabel): overlayitem = pmt.to_python(pmt.car(msg)) if overlayitem is None: gr.log.error('Overlay message contains None in the car portion ' - 'of the message. Please pass in a dictionary or list of dictionaries in this ' - 'portion of the message. Each dictionary should have the following keys: ' - 'filename,x,y. Use x=y=-1 to remove an overlay item.') + 'of the message. Please pass in a dictionary or list of dictionaries in this ' + 'portion of the message. Each dictionary should have the following keys: ' + 'filename,x,y. Use x=y=-1 to remove an overlay item.') return if type(overlayitem) is dict: @@ -79,41 +82,43 @@ class GrGraphicItem(gr.sync_block, QLabel): itemlist = overlayitem else: gr.log.error("Overlay message type is not correct. Please pass in " - "a dictionary or list of dictionaries in this portion of the message. Each " - "dictionary should have the following keys: filename,x,y. Use x=y=-1 to " - "remove an overlay item.") + "a dictionary or list of dictionaries in this portion of the message. Each " + "dictionary should have the following keys: filename,x,y. Use x=y=-1 to " + "remove an overlay item.") return # Check each dict item to make sure it's valid. for curitem in itemlist: if type(curitem) == dict: if 'filename' not in curitem: - gr.log.error("Dictionary item did not contain the 'filename' key.") + gr.log.error( + "Dictionary item did not contain the 'filename' key.") gr.log.error("Received " + str(curitem)) continue if 'x' not in curitem: gr.log.error("The dictionary for filename " + - curitem['filename'] + " did not contain an 'x' key.") + curitem['filename'] + " did not contain an 'x' key.") gr.log.error("Received " + str(curitem)) continue if 'y' not in curitem: gr.log.error("The dictionary for filename " + - curitem['filename'] + " did not contain an 'y' key.") + curitem['filename'] + " did not contain an 'y' key.") gr.log.error("Received " + str(curitem)) continue if not os.path.isfile(curitem['filename']): gr.log.error("Unable to find overlay file " + - curitem['filename']) + curitem['filename']) gr.log.error("Received " + str(curitem)) continue # Now either add/update our list or remove the item. if curitem['x'] == -1 and curitem['y'] == -1: try: - del self.overlays[curitem['filename']] # remove item + # remove item + del self.overlays[curitem['filename']] except: pass else: @@ -142,9 +147,10 @@ class GrGraphicItem(gr.sync_block, QLabel): scale = curOverlay['scalefactor'] w = newOverlay.width() h = newOverlay.height() - newOverlay = newOverlay.scaled(int(w*scale), int(h*scale), + newOverlay = newOverlay.scaled(int(w * scale), int(h * scale), Qtc.KeepAspectRatio) - painter.drawPixmap(curOverlay['x'], curOverlay['y'], newOverlay) + painter.drawPixmap( + curOverlay['x'], curOverlay['y'], newOverlay) except Exception as e: gr.log.error("Error adding overlay: %s" % str(e)) return @@ -172,13 +178,13 @@ class GrGraphicItem(gr.sync_block, QLabel): self.updateGraphic() else: gr.log.error("Value received was not an int or " - "a bool: %s" % str(type(new_val))) + "a bool: %s" % str(type(new_val))) except Exception as e: gr.log.error("Error with message conversion: %s" % str(e)) def minimumSizeHint(self): - return QSize(self.pixmap.width(),self.pixmap.height()) + return QSize(self.pixmap.width(), self.pixmap.height()) def resizeEvent(self, event): if self.scaleImage: @@ -191,4 +197,3 @@ class GrGraphicItem(gr.sync_block, QLabel): Qtc.KeepAspectRatio) self.updateGraphic() - |