slightly improve efficiency of drawing grid lines by passing by reference, not value
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@ -53,7 +53,7 @@ GridLines::hide ()
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}
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void
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GridLines::draw (std::vector<Ruler::Mark> marks)
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GridLines::draw (std::vector<Ruler::Mark> const & marks)
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{
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lines.clear();
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@ -28,7 +28,7 @@ public:
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GridLines (ArdourCanvas::Container* group, double screen_height);
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~GridLines ();
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void draw (std::vector<ArdourCanvas::Ruler::Mark> marks);
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void draw (std::vector<ArdourCanvas::Ruler::Mark> const & marks);
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void show();
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void hide();
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