mirror of https://github.com/ocornut/imgui
ImFont: Renamed (supposedly internal) fields (e.g. XAdvance to AdvanceX). Custom text renderers might be affected if they didn't use the GetCharAdvance() helper function.
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@ -3065,7 +3065,7 @@ ImVec2 ImGui::CalcTextSize(const char* text, const char* text_end, bool hide_tex
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return ImVec2(0.0f, font_size);
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ImVec2 text_size = font->CalcTextSizeA(font_size, FLT_MAX, wrap_width, text, text_display_end, NULL);
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// Cancel out character spacing for the last character of a line (it is baked into glyph->XAdvance field)
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// Cancel out character spacing for the last character of a line (it is baked into glyph->AdvanceX field)
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const float font_scale = font_size / font->FontSize;
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const float character_spacing_x = 1.0f * font_scale;
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if (text_size.x > 0.0f)
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@ -7856,8 +7856,8 @@ bool ImGui::InputTextEx(const char* label, char* buf, int buf_size, const ImVec2
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password_font->Descent = g.Font->Descent;
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password_font->ContainerAtlas = g.Font->ContainerAtlas;
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password_font->FallbackGlyph = glyph;
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password_font->FallbackXAdvance = glyph->XAdvance;
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IM_ASSERT(password_font->Glyphs.empty() && password_font->IndexXAdvance.empty() && password_font->IndexLookup.empty());
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password_font->FallbackAdvanceX = glyph->AdvanceX;
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IM_ASSERT(password_font->Glyphs.empty() && password_font->IndexAdvanceX.empty() && password_font->IndexLookup.empty());
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PushFont(password_font);
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}
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10
imgui.h
10
imgui.h
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@ -1349,7 +1349,7 @@ struct ImFontConfig
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struct ImFontGlyph
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{
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ImWchar Codepoint; // 0x0000..0xFFFF
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float XAdvance; // Distance to next character (= data from font + ImFontConfig::GlyphExtraSpacing.x baked in)
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float AdvanceX; // Distance to next character (= data from font + ImFontConfig::GlyphExtraSpacing.x baked in)
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float X0, Y0, X1, Y1; // Glyph corners
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float U0, V0, U1, V1; // Texture coordinates
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};
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@ -1457,10 +1457,10 @@ struct ImFont
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float Scale; // = 1.f // Base font scale, multiplied by the per-window font scale which you can adjust with SetFontScale()
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ImVec2 DisplayOffset; // = (0.f,1.f) // Offset font rendering by xx pixels
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ImVector<ImFontGlyph> Glyphs; // // All glyphs.
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ImVector<float> IndexXAdvance; // // Sparse. Glyphs->XAdvance in a directly indexable way (more cache-friendly, for CalcTextSize functions which are often bottleneck in large UI).
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ImVector<float> IndexAdvanceX; // // Sparse. Glyphs->AdvanceX in a directly indexable way (more cache-friendly, for CalcTextSize functions which are often bottleneck in large UI).
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ImVector<unsigned short> IndexLookup; // // Sparse. Index glyphs by Unicode code-point.
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const ImFontGlyph* FallbackGlyph; // == FindGlyph(FontFallbackChar)
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float FallbackXAdvance; // == FallbackGlyph->XAdvance
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float FallbackAdvanceX; // == FallbackGlyph->AdvanceX
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ImWchar FallbackChar; // = '?' // Replacement glyph if one isn't found. Only set via SetFallbackChar()
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// Members: Cold ~18/26 bytes
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@ -1477,7 +1477,7 @@ struct ImFont
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IMGUI_API void BuildLookupTable();
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IMGUI_API const ImFontGlyph*FindGlyph(ImWchar c) const;
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IMGUI_API void SetFallbackChar(ImWchar c);
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float GetCharAdvance(ImWchar c) const { return ((int)c < IndexXAdvance.Size) ? IndexXAdvance[(int)c] : FallbackXAdvance; }
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float GetCharAdvance(ImWchar c) const { return ((int)c < IndexAdvanceX.Size) ? IndexAdvanceX[(int)c] : FallbackAdvanceX; }
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bool IsLoaded() const { return ContainerAtlas != NULL; }
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// 'max_width' stops rendering after a certain width (could be turned into a 2d size). FLT_MAX to disable.
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@ -1489,7 +1489,7 @@ struct ImFont
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// [Private]
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IMGUI_API void GrowIndex(int new_size);
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IMGUI_API void AddGlyph(ImWchar c, float x0, float y0, float x1, float y1, float u0, float v0, float u1, float v1, float x_advance);
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IMGUI_API void AddGlyph(ImWchar c, float x0, float y0, float x1, float y1, float u0, float v0, float u1, float v1, float advance_x);
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IMGUI_API void AddRemapChar(ImWchar dst, ImWchar src, bool overwrite_dst = true); // Makes 'dst' character/glyph points to 'src' character/glyph. Currently needs to be called AFTER fonts have been built.
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#ifndef IMGUI_DISABLE_OBSOLETE_FUNCTIONS
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@ -1951,7 +1951,7 @@ void ImGui::ShowStyleEditor(ImGuiStyle* ref)
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ImGui::BeginTooltip();
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ImGui::Text("Codepoint: U+%04X", base+n);
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ImGui::Separator();
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ImGui::Text("XAdvance+1: %.1f", glyph->XAdvance);
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ImGui::Text("AdvanceX: %.1f", glyph->AdvanceX);
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ImGui::Text("Pos: (%.2f,%.2f)->(%.2f,%.2f)", glyph->X0, glyph->Y0, glyph->X1, glyph->Y1);
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ImGui::Text("UV: (%.3f,%.3f)->(%.3f,%.3f)", glyph->U0, glyph->V0, glyph->U1, glyph->V1);
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ImGui::EndTooltip();
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@ -1851,10 +1851,10 @@ void ImFont::Clear()
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FontSize = 0.0f;
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DisplayOffset = ImVec2(0.0f, 1.0f);
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Glyphs.clear();
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IndexXAdvance.clear();
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IndexAdvanceX.clear();
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IndexLookup.clear();
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FallbackGlyph = NULL;
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FallbackXAdvance = 0.0f;
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FallbackAdvanceX = 0.0f;
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ConfigDataCount = 0;
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ConfigData = NULL;
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ContainerAtlas = NULL;
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@ -1869,13 +1869,13 @@ void ImFont::BuildLookupTable()
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max_codepoint = ImMax(max_codepoint, (int)Glyphs[i].Codepoint);
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IM_ASSERT(Glyphs.Size < 0xFFFF); // -1 is reserved
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IndexXAdvance.clear();
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IndexAdvanceX.clear();
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IndexLookup.clear();
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GrowIndex(max_codepoint + 1);
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for (int i = 0; i < Glyphs.Size; i++)
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{
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int codepoint = (int)Glyphs[i].Codepoint;
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IndexXAdvance[codepoint] = Glyphs[i].XAdvance;
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IndexAdvanceX[codepoint] = Glyphs[i].AdvanceX;
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IndexLookup[codepoint] = (unsigned short)i;
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}
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@ -1888,17 +1888,17 @@ void ImFont::BuildLookupTable()
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ImFontGlyph& tab_glyph = Glyphs.back();
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tab_glyph = *FindGlyph((unsigned short)' ');
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tab_glyph.Codepoint = '\t';
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tab_glyph.XAdvance *= 4;
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IndexXAdvance[(int)tab_glyph.Codepoint] = (float)tab_glyph.XAdvance;
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tab_glyph.AdvanceX *= 4;
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IndexAdvanceX[(int)tab_glyph.Codepoint] = (float)tab_glyph.AdvanceX;
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IndexLookup[(int)tab_glyph.Codepoint] = (unsigned short)(Glyphs.Size-1);
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}
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FallbackGlyph = NULL;
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FallbackGlyph = FindGlyph(FallbackChar);
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FallbackXAdvance = FallbackGlyph ? FallbackGlyph->XAdvance : 0.0f;
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FallbackAdvanceX = FallbackGlyph ? FallbackGlyph->AdvanceX : 0.0f;
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for (int i = 0; i < max_codepoint + 1; i++)
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if (IndexXAdvance[i] < 0.0f)
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IndexXAdvance[i] = FallbackXAdvance;
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if (IndexAdvanceX[i] < 0.0f)
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IndexAdvanceX[i] = FallbackAdvanceX;
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}
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void ImFont::SetFallbackChar(ImWchar c)
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@ -1909,14 +1909,14 @@ void ImFont::SetFallbackChar(ImWchar c)
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void ImFont::GrowIndex(int new_size)
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{
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IM_ASSERT(IndexXAdvance.Size == IndexLookup.Size);
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IM_ASSERT(IndexAdvanceX.Size == IndexLookup.Size);
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if (new_size <= IndexLookup.Size)
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return;
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IndexXAdvance.resize(new_size, -1.0f);
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IndexAdvanceX.resize(new_size, -1.0f);
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IndexLookup.resize(new_size, (unsigned short)-1);
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}
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void ImFont::AddGlyph(ImWchar codepoint, float x0, float y0, float x1, float y1, float u0, float v0, float u1, float v1, float x_advance)
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void ImFont::AddGlyph(ImWchar codepoint, float x0, float y0, float x1, float y1, float u0, float v0, float u1, float v1, float advance_x)
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{
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Glyphs.resize(Glyphs.Size + 1);
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ImFontGlyph& glyph = Glyphs.back();
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@ -1929,10 +1929,10 @@ void ImFont::AddGlyph(ImWchar codepoint, float x0, float y0, float x1, float y1,
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glyph.V0 = v0;
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glyph.U1 = u1;
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glyph.V1 = v1;
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glyph.XAdvance = (x_advance + ConfigData->GlyphExtraSpacing.x); // Bake spacing into XAdvance
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glyph.AdvanceX = (advance_x + ConfigData->GlyphExtraSpacing.x); // Bake spacing into AdvanceX
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if (ConfigData->PixelSnapH)
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glyph.XAdvance = (float)(int)(glyph.XAdvance + 0.5f);
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glyph.AdvanceX = (float)(int)(glyph.AdvanceX + 0.5f);
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// Compute rough surface usage metrics (+1 to account for average padding, +0.99 to round)
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MetricsTotalSurface += (int)((glyph.U1 - glyph.U0) * ContainerAtlas->TexWidth + 1.99f) * (int)((glyph.V1 - glyph.V0) * ContainerAtlas->TexHeight + 1.99f);
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@ -1950,7 +1950,7 @@ void ImFont::AddRemapChar(ImWchar dst, ImWchar src, bool overwrite_dst)
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GrowIndex(dst + 1);
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IndexLookup[dst] = (src < index_size) ? IndexLookup.Data[src] : (unsigned short)-1;
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IndexXAdvance[dst] = (src < index_size) ? IndexXAdvance.Data[src] : 1.0f;
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IndexAdvanceX[dst] = (src < index_size) ? IndexAdvanceX.Data[src] : 1.0f;
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}
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const ImFontGlyph* ImFont::FindGlyph(unsigned short c) const
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@ -2018,7 +2018,7 @@ const char* ImFont::CalcWordWrapPositionA(float scale, const char* text, const c
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}
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}
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const float char_width = ((int)c < IndexXAdvance.Size ? IndexXAdvance[(int)c] : FallbackXAdvance);
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const float char_width = ((int)c < IndexAdvanceX.Size ? IndexAdvanceX[(int)c] : FallbackAdvanceX);
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if (ImCharIsSpace(c))
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{
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if (inside_word)
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@ -2135,7 +2135,7 @@ ImVec2 ImFont::CalcTextSizeA(float size, float max_width, float wrap_width, cons
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continue;
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}
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const float char_width = ((int)c < IndexXAdvance.Size ? IndexXAdvance[(int)c] : FallbackXAdvance) * scale;
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const float char_width = ((int)c < IndexAdvanceX.Size ? IndexAdvanceX[(int)c] : FallbackAdvanceX) * scale;
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if (line_width + char_width >= max_width)
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{
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s = prev_s;
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@ -2267,7 +2267,7 @@ void ImFont::RenderText(ImDrawList* draw_list, float size, ImVec2 pos, ImU32 col
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float char_width = 0.0f;
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if (const ImFontGlyph* glyph = FindGlyph((unsigned short)c))
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{
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char_width = glyph->XAdvance * scale;
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char_width = glyph->AdvanceX * scale;
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// Arbitrarily assume that both space and tabs are empty glyphs as an optimization
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if (c != ' ' && c != '\t')
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