Commit 54ca31f9 authored by Luke Campagnola's avatar Luke Campagnola
Browse files

Added ImageExporter error message for zero-size export

parent d8f9fb07
......@@ -64,6 +64,9 @@ class ImageExporter(Exporter):
#self.png = QtGui.QImage(targetRect.size(), QtGui.QImage.Format_ARGB32)
w, h = self.params['width'], self.params['height']
if w == 0 or h == 0:
raise Exception("Cannot export image with size=0 (requested export size is %dx%d)" % (w,h))
bg = np.empty((self.params['width'], self.params['height'], 4), dtype=np.ubyte)
color = self.params['background']
bg[:,:,0] =
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