ImDrawDataBuilder Struct Reference

#include <src/imgui/imgui_internal.h>

Collaboration diagram for ImDrawDataBuilder:

Public Member Functions
void	Clear ()
void	ClearFreeMemory ()
int	GetDrawListCount () const
IMGUI_API void	FlattenIntoSingleLayer ()

Public Attributes
ImVector< ImDrawList * >	Layers [2]

Detailed Description

Member Function Documentation

Clear()

void ImDrawDataBuilder::Clear ( )

inline

{ for (int n = 0; n < IM_ARRAYSIZE(Layers); n++) Layers[n].resize(0); }

References IM_ARRAYSIZE, and Layers.

Referenced by ImGui::Render().

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ClearFreeMemory()

void ImDrawDataBuilder::ClearFreeMemory ( )

inline

{ for (int n = 0; n < IM_ARRAYSIZE(Layers); n++) Layers[n].clear(); }

References IM_ARRAYSIZE, and Layers.

FlattenIntoSingleLayer()

void ImDrawDataBuilder::FlattenIntoSingleLayer

(

)

{
    int n = Layers[0].Size;
    int size = n;
    for (int i = 1; i < IM_ARRAYSIZE(Layers); i++)
        size += Layers[i].Size;
    Layers[0].resize(size);
    for (int layer_n = 1; layer_n < IM_ARRAYSIZE(Layers); layer_n++)
    {
        ImVector<ImDrawList*>& layer = Layers[layer_n];
        if (layer.empty())
            continue;
        memcpy(&Layers[0][n], &layer[0], layer.Size * sizeof(ImDrawList*));
        n += layer.Size;
        layer.resize(0);
    }
}

References ImVector< T >::empty(), IM_ARRAYSIZE, Layers, ImVector< T >::resize(), and ImVector< T >::Size.

Referenced by ImGui::Render().

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GetDrawListCount()

int ImDrawDataBuilder::GetDrawListCount ( ) const

inline

{ int count = 0; for (int n = 0; n < IM_ARRAYSIZE(Layers); n++) count += Layers[n].Size; return count; }

References IM_ARRAYSIZE, and Layers.

Member Data Documentation

Layers

ImVector<ImDrawList*> ImDrawDataBuilder::Layers[2]

Referenced by AddWindowToDrawData(), Clear(), ClearFreeMemory(), ImGui::DebugNodeViewport(), FlattenIntoSingleLayer(), GetDrawListCount(), ImGui::Render(), and ImGui::ShowMetricsWindow().

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

• src/imgui/imgui_internal.h
• src/imgui/imgui.cpp