ImChunkStream< T > Struct Template Reference

#include <src/imgui/imgui_internal.h>

Inheritance diagram for ImChunkStream< T >:

Collaboration diagram for ImChunkStream< T >:

Public Member Functions
void	clear ()
bool	empty () const
int	size () const
T *	alloc_chunk (size_t sz)
T *	begin ()
T *	next_chunk (T *p)
int	chunk_size (const T *p)
T *	end ()
int	offset_from_ptr (const T *p)
T *	ptr_from_offset (int off)
void	swap (ImChunkStream< T > &rhs)

Public Attributes
ImVector< char >	Buf

Detailed Description

template<typename T>
struct ImChunkStream< T >

Member Function Documentation

alloc_chunk()

template<typename T >

T * ImChunkStream< T >::alloc_chunk ( size_t  sz )

inline

{ size_t HDR_SZ = 4; sz = IM_MEMALIGN(HDR_SZ + sz, 4u); int off = Buf.Size; Buf.resize(off + (int)sz); ((int*)(void*)(Buf.Data + off))[0] = (int)sz; return (T*)(void*)(Buf.Data + off + (int)HDR_SZ); }

References ImVector< T >::Data, IM_MEMALIGN, ImVector< T >::resize(), and ImVector< T >::Size.

Referenced by ImGui::CreateNewWindowSettings(), ImGui::TableGcCompactSettings(), and ImGui::TableSettingsCreate().

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begin()

template<typename T >

T * ImChunkStream< T >::begin ( )

inline

{ size_t HDR_SZ = 4; if (!Buf.Data) return NULL; return (T*)(void*)(Buf.Data + HDR_SZ); }

References ImVector< T >::Data.

Referenced by ImGui::FindWindowSettings(), ImGui::ShowMetricsWindow(), ImGui::TableGcCompactSettings(), ImGui::TableSettingsFindByID(), TableSettingsHandler_WriteAll(), WindowSettingsHandler_ApplyAll(), and WindowSettingsHandler_WriteAll().

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chunk_size()

template<typename T >

int ImChunkStream< T >::chunk_size ( const T *  p )

inline

{ return ((const int*)p)[-1]; }

clear()

template<typename T >

void ImChunkStream< T >::clear ( )

inline

{ Buf.clear(); }

References ImVector< T >::clear().

Referenced by ImGui::Shutdown(), TableSettingsHandler_ClearAll(), and WindowSettingsHandler_ClearAll().

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empty()

template<typename T >

bool ImChunkStream< T >::empty ( ) const

inline

{ return Buf.Size == 0; }

References ImVector< T >::Size.

Referenced by ImGui::UpdateSettings().

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end()

template<typename T >

T * ImChunkStream< T >::end ( )

inline

{ return (T*)(void*)(Buf.Data + Buf.Size); }

References ImVector< T >::Data, and ImVector< T >::Size.

next_chunk()

template<typename T >

T * ImChunkStream< T >::next_chunk ( T *  p )

inline

{ size_t HDR_SZ = 4; IM_ASSERT(p >= begin() && p < end()); p = (T*)(void*)((char*)(void*)p + chunk_size(p)); if (p == (T*)(void*)((char*)end() + HDR_SZ)) return (T*)0; IM_ASSERT(p < end()); return p; }

References IM_ASSERT.

Referenced by ImGui::FindWindowSettings(), ImGui::ShowMetricsWindow(), ImGui::TableGcCompactSettings(), ImGui::TableSettingsFindByID(), TableSettingsHandler_WriteAll(), WindowSettingsHandler_ApplyAll(), and WindowSettingsHandler_WriteAll().

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offset_from_ptr()

template<typename T >

int ImChunkStream< T >::offset_from_ptr ( const T *  p )

inline

{ IM_ASSERT(p >= begin() && p < end()); const ptrdiff_t off = (const char*)p - Buf.Data; return (int)off; }

References ImVector< T >::Data, and IM_ASSERT.

Referenced by CreateNewWindow(), ImGui::TableLoadSettings(), ImGui::TableSaveSettings(), and WindowSettingsHandler_WriteAll().

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ptr_from_offset()

template<typename T >

T * ImChunkStream< T >::ptr_from_offset ( int  off )

inline

{ IM_ASSERT(off >= 4 && off < Buf.Size); return (T*)(void*)(Buf.Data + off); }

References ImVector< T >::Data, IM_ASSERT, and ImVector< T >::Size.

Referenced by ImGui::TableGetBoundSettings(), and WindowSettingsHandler_WriteAll().

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size()

template<typename T >

int ImChunkStream< T >::size ( ) const

inline

{ return Buf.Size; }

References ImVector< T >::Size.

Referenced by ImGui::ShowMetricsWindow(), and WindowSettingsHandler_WriteAll().

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swap()

template<typename T >

void ImChunkStream< T >::swap ( ImChunkStream< T > &  rhs )

inline

{ rhs.Buf.swap(Buf); }

References ImChunkStream< T >::Buf, and ImVector< T >::swap().

Referenced by ImGui::TableGcCompactSettings().

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Member Data Documentation

Buf

template<typename T >

ImVector<char> ImChunkStream< T >::Buf

Referenced by ImChunkStream< T >::swap(), and ImGui::TableGcCompactSettings().

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The documentation for this struct was generated from the following file:

• src/imgui/imgui_internal.h