mirror of https://github.com/ocornut/imgui
ImFont: Allowing to use up to 0xFFFE glyphs in same font (increased from previous 0x8000)
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4fddfa4b5e
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2
imgui.h
2
imgui.h
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@ -1357,7 +1357,7 @@ struct ImFont
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ImVec2 DisplayOffset; // = (0.f,1.f) // Offset font rendering by xx pixels
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ImVector<Glyph> 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<short> IndexLookup; // // Sparse. Index glyphs by Unicode code-point.
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ImVector<unsigned short> IndexLookup; // // Sparse. Index glyphs by Unicode code-point.
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const Glyph* FallbackGlyph; // == FindGlyph(FontFallbackChar)
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float FallbackXAdvance; // == FallbackGlyph->XAdvance
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ImWchar FallbackChar; // = '?' // Replacement glyph if one isn't found. Only set via SetFallbackChar()
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@ -1695,7 +1695,7 @@ void ImFont::BuildLookupTable()
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for (int i = 0; i != Glyphs.Size; i++)
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max_codepoint = ImMax(max_codepoint, (int)Glyphs[i].Codepoint);
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IM_ASSERT(Glyphs.Size < 32*1024);
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IM_ASSERT(Glyphs.Size < 0xFFFF); // -1 is reserved
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IndexXAdvance.clear();
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IndexLookup.clear();
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GrowIndex(max_codepoint + 1);
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@ -1703,7 +1703,7 @@ void ImFont::BuildLookupTable()
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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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IndexLookup[codepoint] = (short)i;
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IndexLookup[codepoint] = (unsigned short)i;
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}
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// Create a glyph to handle TAB
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@ -1717,7 +1717,7 @@ void ImFont::BuildLookupTable()
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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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IndexLookup[(int)tab_glyph.Codepoint] = (short)(Glyphs.Size-1);
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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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@ -1745,7 +1745,7 @@ void ImFont::GrowIndex(int new_size)
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for (int i = old_size; i < new_size; i++)
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{
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IndexXAdvance[i] = -1.0f;
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IndexLookup[i] = (short)-1;
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IndexLookup[i] = (unsigned short)-1;
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}
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}
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@ -1754,13 +1754,13 @@ void ImFont::AddRemapChar(ImWchar dst, ImWchar src, bool overwrite_dst)
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IM_ASSERT(IndexLookup.Size > 0); // Currently this can only be called AFTER the font has been built, aka after calling ImFontAtlas::GetTexDataAs*() function.
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int index_size = IndexLookup.Size;
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if (dst < index_size && IndexLookup.Data[dst] == -1 && !overwrite_dst) // 'dst' already exists
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if (dst < index_size && IndexLookup.Data[dst] == (unsigned short)-1 && !overwrite_dst) // 'dst' already exists
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return;
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if (src >= index_size && dst >= index_size) // both 'dst' and 'src' don't exist -> no-op
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return;
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GrowIndex(dst + 1);
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IndexLookup[dst] = (src < index_size) ? IndexLookup.Data[src] : -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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}
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@ -1768,8 +1768,8 @@ const ImFont::Glyph* ImFont::FindGlyph(unsigned short c) const
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{
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if (c < IndexLookup.Size)
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{
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const short i = IndexLookup[c];
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if (i != -1)
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const unsigned short i = IndexLookup[c];
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if (i != (unsigned short)-1)
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return &Glyphs.Data[i];
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}
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return FallbackGlyph;
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