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Declare ImVec2 and ImVec4 constructors as constexpr (#4995)

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Jeff Mears 2022-02-07 17:09:43 -08:00 committed by ocornut
parent 955aacfbc5
commit 71f98dd056
2 changed files with 6 additions and 5 deletions
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1
docs/CHANGELOG.txt
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@ -40,6 +40,7 @@ Breaking changes:
Other Changes:
- Stack Tool: Added option to copy item path to clipboard. (#4631)
- Misc: Added constexpr to ImVec2/ImVec4 inline constructors. (#4995) [@Myriachan]
- Drawlist: Fixed PathArcTo() emitting terminating vertices too close to arc vertices. (#4993) [@thedmd]

10
imgui.h
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@ -249,8 +249,8 @@ IM_MSVC_RUNTIME_CHECKS_OFF
struct ImVec2
{
float x, y;
ImVec2() { x = y = 0.0f; }
ImVec2(float _x, float _y) { x = _x; y = _y; }
constexpr ImVec2() : x(0.0f), y(0.0f) { }
constexpr ImVec2(float _x, float _y) : x(_x), y(_y) { }
float operator[] (size_t idx) const { IM_ASSERT(idx <= 1); return (&x)[idx]; } // We very rarely use this [] operator, the assert overhead is fine.
float& operator[] (size_t idx) { IM_ASSERT(idx <= 1); return (&x)[idx]; } // We very rarely use this [] operator, the assert overhead is fine.
#ifdef IM_VEC2_CLASS_EXTRA
@ -261,9 +261,9 @@ struct ImVec2
// ImVec4: 4D vector used to store clipping rectangles, colors etc. [Compile-time configurable type]
struct ImVec4
{
float x, y, z, w;
ImVec4() { x = y = z = w = 0.0f; }
ImVec4(float _x, float _y, float _z, float _w) { x = _x; y = _y; z = _z; w = _w; }
float x, y, z, w;
constexpr ImVec4() : x(0.0f), y(0.0f), z(0.0f), w(0.0f) { }
constexpr ImVec4(float _x, float _y, float _z, float _w) : x(_x), y(_y), z(_z), w(_w) { }
#ifdef IM_VEC4_CLASS_EXTRA
IM_VEC4_CLASS_EXTRA // Define additional constructors and implicit cast operators in imconfig.h to convert back and forth between your math types and ImVec4.
#endif