etc.h: Constify methods
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					 1 changed files with 2 additions and 2 deletions
				
			
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			@ -64,7 +64,7 @@ struct Color : public Serializable
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	double getBlue()  const { return blue;  }
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	double getAlpha() const { return alpha; }
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	bool hasEffect()
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	bool hasEffect() const
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	{
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		return (alpha != 0);
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	}
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			@ -112,7 +112,7 @@ struct Tone : public Serializable
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	double getBlue()  const { return blue;  }
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	double getGray()  const { return gray;  }
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	bool hasEffect()
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	bool hasEffect() const
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	{
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		return ((int)red   != 0 ||
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				(int)green != 0 ||
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