ImDrawListSharedData Struct Reference

#include <src/imgui/imgui_internal.h>

Collaboration diagram for ImDrawListSharedData:

Public Member Functions
	ImDrawListSharedData ()
void	SetCircleTessellationMaxError (float max_error)

Public Attributes
ImVec2	TexUvWhitePixel
ImFont *	Font
float	FontSize
float	CurveTessellationTol
float	CircleSegmentMaxError
ImVec4	ClipRectFullscreen
ImDrawListFlags	InitialFlags
ImVec2	ArcFastVtx [IM_DRAWLIST_ARCFAST_TABLE_SIZE]
float	ArcFastRadiusCutoff
ImU8	CircleSegmentCounts [64]
const ImVec4 *	TexUvLines

Detailed Description

Constructor & Destructor Documentation

ImDrawListSharedData()

ImDrawListSharedData::ImDrawListSharedData

(

)

{
    memset(this, 0, sizeof(*this));
    for (int i = 0; i < IM_ARRAYSIZE(ArcFastVtx); i++)
    {
        const float a = ((float)i * 2 * IM_PI) / (float)IM_ARRAYSIZE(ArcFastVtx);
        ArcFastVtx[i] = ImVec2(ImCos(a), ImSin(a));
    }
    ArcFastRadiusCutoff = IM_DRAWLIST_CIRCLE_AUTO_SEGMENT_CALC_R(IM_DRAWLIST_ARCFAST_SAMPLE_MAX, CircleSegmentMaxError);
}

References ArcFastRadiusCutoff, ArcFastVtx, CircleSegmentMaxError, IM_ARRAYSIZE, IM_DRAWLIST_ARCFAST_SAMPLE_MAX, IM_DRAWLIST_CIRCLE_AUTO_SEGMENT_CALC_R, IM_PI, ImCos, and ImSin.

Member Function Documentation

SetCircleTessellationMaxError()

void ImDrawListSharedData::SetCircleTessellationMaxError

(

float

max_error

)

{
    if (CircleSegmentMaxError == max_error)
        return;
 
    IM_ASSERT(max_error > 0.0f);
    CircleSegmentMaxError = max_error;
    for (int i = 0; i < IM_ARRAYSIZE(CircleSegmentCounts); i++)
    {
        const float radius = (float)i;
        CircleSegmentCounts[i] = (ImU8)((i > 0) ? IM_DRAWLIST_CIRCLE_AUTO_SEGMENT_CALC(radius, CircleSegmentMaxError) : 0);
    }
    ArcFastRadiusCutoff = IM_DRAWLIST_CIRCLE_AUTO_SEGMENT_CALC_R(IM_DRAWLIST_ARCFAST_SAMPLE_MAX, CircleSegmentMaxError);
}

References ArcFastRadiusCutoff, CircleSegmentCounts, CircleSegmentMaxError, IM_ARRAYSIZE, IM_ASSERT, IM_DRAWLIST_ARCFAST_SAMPLE_MAX, IM_DRAWLIST_CIRCLE_AUTO_SEGMENT_CALC, and IM_DRAWLIST_CIRCLE_AUTO_SEGMENT_CALC_R.

Referenced by ImGui::NewFrame().

Here is the caller graph for this function:

Member Data Documentation

ArcFastRadiusCutoff

float ImDrawListSharedData::ArcFastRadiusCutoff

Referenced by ImDrawListSharedData(), and SetCircleTessellationMaxError().

ArcFastVtx

ImVec2 ImDrawListSharedData::ArcFastVtx[IM_DRAWLIST_ARCFAST_TABLE_SIZE]

Referenced by ImDrawListSharedData(), and ImDrawList::_PathArcToFastEx().

CircleSegmentCounts

ImU8 ImDrawListSharedData::CircleSegmentCounts[64]

Referenced by ImDrawList::_CalcCircleAutoSegmentCount(), and SetCircleTessellationMaxError().

CircleSegmentMaxError

float ImDrawListSharedData::CircleSegmentMaxError

Referenced by ImDrawListSharedData(), ImDrawList::_CalcCircleAutoSegmentCount(), and SetCircleTessellationMaxError().

ClipRectFullscreen

ImVec4 ImDrawListSharedData::ClipRectFullscreen

Referenced by ImGui::NewFrame(), ImDrawList::PopClipRect(), and ImDrawList::PushClipRectFullScreen().

CurveTessellationTol

float ImDrawListSharedData::CurveTessellationTol

Referenced by ImGui::NewFrame(), ImDrawList::PathBezierCubicCurveTo(), and ImDrawList::PathBezierQuadraticCurveTo().

Font

ImFont* ImDrawListSharedData::Font

Referenced by ImDrawList::AddPolyline(), ImDrawList::AddText(), ImGui::RenderMouseCursor(), ImGui::RenderTextEllipsis(), and ImGui::SetCurrentFont().

FontSize

float ImDrawListSharedData::FontSize

Referenced by ImDrawList::AddText(), ImGui::RenderArrow(), ImGui::RenderBullet(), ImGui::RenderTextEllipsis(), ImGui::SetCurrentFont(), SetCurrentWindow(), and ImGui::SetWindowFontScale().

InitialFlags

ImDrawListFlags ImDrawListSharedData::InitialFlags

Referenced by ImDrawList::_ResetForNewFrame(), and ImGui::NewFrame().

TexUvLines

const ImVec4* ImDrawListSharedData::TexUvLines

Referenced by ImDrawList::AddPolyline(), and ImGui::SetCurrentFont().

TexUvWhitePixel

ImVec2 ImDrawListSharedData::TexUvWhitePixel

Referenced by ImDrawList::AddConvexPolyFilled(), ImDrawList::AddPolyline(), ImDrawList::AddRectFilledMultiColor(), ImGui::GetFontTexUvWhitePixel(), ImDrawList::PrimRect(), and ImGui::SetCurrentFont().

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

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