This commit is contained in:
milek7
2018-07-11 14:38:34 +02:00
parent 59cea820b0
commit 7299fc866e
6 changed files with 24 additions and 10 deletions

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@@ -1281,12 +1281,16 @@ public:
// Helper: IM_NEW(), IM_PLACEMENT_NEW(), IM_DELETE() macros to call MemAlloc + Placement New, Placement Delete + MemFree
// We call C++ constructor on own allocated memory via the placement "new(ptr) Type()" syntax.
// Defining a custom placement new() with a dummy parameter allows us to bypass including <new> which on some platforms complains when user has disabled exceptions.
struct ImNewDummy {};
inline void* operator new(size_t, ImNewDummy, void* ptr) { return ptr; }
inline void operator delete(void*, ImNewDummy, void*) {} // This is only required so we can use the symetrical new()
#define IM_PLACEMENT_NEW(_PTR) new(ImNewDummy(), _PTR)
#define IM_NEW(_TYPE) new(ImNewDummy(), ImGui::MemAlloc(sizeof(_TYPE))) _TYPE
template<typename T> void IM_DELETE(T* p) { if (p) { p->~T(); ImGui::MemFree(p); } }
//struct ImNewDummy {};
//inline void* operator new(size_t, ImNewDummy, void* ptr) { return ptr; }
//inline void operator delete(void*, ImNewDummy, void*) {} // This is only required so we can use the symetrical new()
//#define IM_PLACEMENT_NEW(_PTR) new(ImNewDummy(), _PTR)
//#define IM_NEW(_TYPE) new(ImNewDummy(), ImGui::MemAlloc(sizeof(_TYPE))) _TYPE
//template<typename T> void IM_DELETE(T* p) { if (p) { p->~T(); ImGui::MemFree(p); } }
#define IM_PLACEMENT_NEW(_PTR) new (_PTR)
#define IM_NEW(_TYPE) new _TYPE
#define IM_DELETE(_X) delete _X
// Helper: Execute a block of code at maximum once a frame. Convenient if you want to quickly create an UI within deep-nested code that runs multiple times every frame.
// Usage: static ImGuiOnceUponAFrame oaf; if (oaf) ImGui::Text("This will be called only once per frame");

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@@ -13,6 +13,7 @@
#define _CRT_SECURE_NO_WARNINGS
#endif
#undef new
#include "imgui.h"
#define IMGUI_DEFINE_MATH_OPERATORS
#include "imgui_internal.h"