ImFontGlyphRangesBuilder Struct Reference

#include <src/imgui/imgui.h>

Collaboration diagram for ImFontGlyphRangesBuilder:

Public Member Functions
	ImFontGlyphRangesBuilder ()
void	Clear ()
bool	GetBit (size_t n) const
void	SetBit (size_t n)
void	AddChar (ImWchar c)
IMGUI_API void	AddText (const char *text, const char *text_end=NULL)
IMGUI_API void	AddRanges (const ImWchar *ranges)
IMGUI_API void	BuildRanges (ImVector< ImWchar > *out_ranges)

Public Attributes
ImVector< ImU32 >	UsedChars

Detailed Description

Constructor & Destructor Documentation

ImFontGlyphRangesBuilder()

ImFontGlyphRangesBuilder::ImFontGlyphRangesBuilder ( )

inline

{ Clear(); }

Member Function Documentation

AddChar()

void ImFontGlyphRangesBuilder::AddChar ( ImWchar  c )

inline

{ SetBit(c); }                      // Add character

Referenced by AddRanges(), AddText(), and Slic3r::GUI::ImGuiWrapper::init_font().

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AddRanges()

void ImFontGlyphRangesBuilder::AddRanges

(

const ImWchar *

ranges

)

{
    for (; ranges[0]; ranges += 2)
        for (ImWchar c = ranges[0]; c <= ranges[1]; c++)
            AddChar(c);
}

References AddChar().

Referenced by Slic3r::GUI::Emboss::StyleManager::create_imgui_font(), and Slic3r::GUI::ImGuiWrapper::init_font().

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AddText()

void ImFontGlyphRangesBuilder::AddText	(	const char *	text,
		const char *	text_end = NULL
	)

{
    while (text_end ? (text < text_end) : *text)
    {
        unsigned int c = 0;
        int c_len = ImTextCharFromUtf8(&c, text, text_end);
        text += c_len;
        if (c_len == 0)
            break;
        AddChar((ImWchar)c);
    }
}

References AddChar(), and ImTextCharFromUtf8().

Referenced by Slic3r::GUI::Emboss::StyleManager::create_imgui_font().

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BuildRanges()

void ImFontGlyphRangesBuilder::BuildRanges

(

ImVector< ImWchar > *

out_ranges

)

{
    const int max_codepoint = IM_UNICODE_CODEPOINT_MAX;
    for (int n = 0; n <= max_codepoint; n++)
        if (GetBit(n))
        {
            out_ranges->push_back((ImWchar)n);
            while (n < max_codepoint && GetBit(n + 1))
                n++;
            out_ranges->push_back((ImWchar)n);
        }
    out_ranges->push_back(0);
}

References GetBit(), IM_UNICODE_CODEPOINT_MAX, and ImVector< T >::push_back().

Referenced by Slic3r::GUI::Emboss::StyleManager::create_imgui_font(), and Slic3r::GUI::ImGuiWrapper::init_font().

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Clear()

void ImFontGlyphRangesBuilder::Clear ( )

inline

{ int size_in_bytes = (IM_UNICODE_CODEPOINT_MAX + 1) / 8; UsedChars.resize(size_in_bytes / (int)sizeof(ImU32)); memset(UsedChars.Data, 0, (size_t)size_in_bytes); }

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

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GetBit()

bool ImFontGlyphRangesBuilder::GetBit ( size_t  n ) const

inline

{ int off = (int)(n >> 5); ImU32 mask = 1u << (n & 31); return (UsedChars[off] & mask) != 0; }  // Get bit n in the array

Referenced by BuildRanges().

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SetBit()

void ImFontGlyphRangesBuilder::SetBit ( size_t  n )

inline

{ int off = (int)(n >> 5); ImU32 mask = 1u << (n & 31); UsedChars[off] |= mask; }               // Set bit n in the array

Member Data Documentation

UsedChars

ImVector<ImU32> ImFontGlyphRangesBuilder::UsedChars

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

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