imgui/imconfig.h

//-----------------------------------------------------------------------------
// USER IMPLEMENTATION
//-----------------------------------------------------------------------------

#pragma once

//---- Define your own ImVector<> type if you don't want to use the provided implementation defined in imgui.h
//#include <vector>
//#define ImVector	std::vector
//#define ImVector	MyVector

//---- Define assertion handler. Defaults to calling assert().
//#define IM_ASSERT(_EXPR)	MyAssert(_EXPR)

//---- Don't implement default clipboard handlers for Windows (so as not to link with OpenClipboard(), etc.)
//#define IMGUI_DISABLE_WIN32_DEFAULT_CLIPBOARD_FUNCS

//---- If you are loading a custom font, ImGui expect to find a pure white pixel at (0,0)
// Change it's UV coordinate here if you can't have a white pixel at (0,0)
//#define IMGUI_FONT_TEX_UV_FOR_WHITE	ImVec2(0.f/256.f,0.f/256.f)

//---- Define implicit cast operators to convert back<>forth from your math types and ImVec2/ImVec4.
/*
#define IM_VEC2_CLASS_EXTRA													\
		ImVec2(const MyVec2& f) { x = f.x; y = f.y; }						\
		operator MyVec2() const { return MyVec2(x,y); }

#define IM_VEC4_CLASS_EXTRA													\
		ImVec4(const MyVec4& f) { x = f.x; y = f.y; z = f.z; w = f.w; }		\
		operator MyVec4() const { return MyVec4(x,y,z,w); }
*/

//---- Freely implement extra functions within the ImGui:: namespace.
//---- e.g. you can create variants of the ImGui::Value() helper for your low-level math types.
/*
namespace ImGui
{
	void	Value(const char* prefix, const MyVec2& v, const char* float_format = NULL);
	void	Value(const char* prefix, const MyVec4& v, const char* float_format = NULL);
};
*/