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added additional scale methods
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@ -76,16 +76,18 @@ class FrameBuffer(QLabel):
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self.setMinimumWidth(pixmap.width())
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self.setMinimumHeight(pixmap.height())
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def set_scale(self, scale):
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if 0 < scale < 4.0:
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self.scale = scale
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def increase_scale(self, scale):
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if self.scale < 4.0:
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self.scale += 0.5
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self.set_scale(self.scale + 0.5)
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def decrease_scale(self, scale):
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if self.scale > 0.5:
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self.scale -= 0.5
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self.set_scale(self.scale - 0.5)
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def reset_scale(self):
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self.scale = 1.0
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self.set_scale(1.0)
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class ImageUpdater(QObject):
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