etc.h: Constify methods
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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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