ImSwap() helper.

imgui.cpp

@@ -1252,12 +1252,12 @@ void ImGui::ColorConvertRGBtoHSV(float r, float g, float b, float& out_h, float&
     float K = 0.f;
     if (g < b)
     {
-        const float tmp = g; g = b; b = tmp;
+        ImSwap(g, b);
         K = -1.f;
     }
     if (r < g)
     {
-        const float tmp = r; r = g; g = tmp;
+        ImSwap(r, g);
         K = -2.f / 6.f - K;
     }
 

imgui_internal.h

@@ -138,6 +138,7 @@ static inline int    ImClamp(int v, int mn, int mx)
 static inline float  ImClamp(float v, float mn, float mx)                       { return (v < mn) ? mn : (v > mx) ? mx : v; }
 static inline ImVec2 ImClamp(const ImVec2& f, const ImVec2& mn, ImVec2 mx)      { return ImVec2(ImClamp(f.x,mn.x,mx.x), ImClamp(f.y,mn.y,mx.y)); }
 static inline float  ImSaturate(float f)                                        { return (f < 0.0f) ? 0.0f : (f > 1.0f) ? 1.0f : f; }
+static inline void   ImSwap(float& a, float& b)                                 { float tmp = a; a = b; b = tmp; }
 static inline int    ImLerp(int a, int b, float t)                              { return (int)(a + (b - a) * t); }
 static inline float  ImLerp(float a, float b, float t)                          { return a + (b - a) * t; }
 static inline ImVec2 ImLerp(const ImVec2& a, const ImVec2& b, float t)          { return ImVec2(a.x + (b.x - a.x) * t, a.y + (b.y - a.y) * t); }