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ImFont: compact comments in header section.

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ocornut 2025-01-22 15:44:51 +01:00
parent 9eafb7bbfb
commit 4211fdc70b
1 changed files with 17 additions and 17 deletions
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imgui.h
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@ -3451,28 +3451,28 @@ struct ImFontAtlas
struct ImFont
{
// [Internal] Members: Hot ~20/24 bytes (for CalcTextSize)
ImVector<float> IndexAdvanceX; // 12-16 // out // // Sparse. Glyphs->AdvanceX in a directly indexable way (cache-friendly for CalcTextSize functions which only this info, and are often bottleneck in large UI).
ImVector<float> IndexAdvanceX; // 12-16 // out // Sparse. Glyphs->AdvanceX in a directly indexable way (cache-friendly for CalcTextSize functions which only this info, and are often bottleneck in large UI).
float FallbackAdvanceX; // 4 // out // = FallbackGlyph->AdvanceX
float FontSize; // 4 // in // // Height of characters/line, set during loading (don't change after loading)
float FontSize; // 4 // in // Height of characters/line, set during loading (don't change after loading)
// [Internal] Members: Hot ~28/40 bytes (for RenderText loop)
ImVector<ImU16> IndexLookup; // 12-16 // out // // Sparse. Index glyphs by Unicode code-point.
ImVector<ImFontGlyph> Glyphs; // 12-16 // out // // All glyphs.
ImVector<ImU16> IndexLookup; // 12-16 // out // Sparse. Index glyphs by Unicode code-point.
ImVector<ImFontGlyph> Glyphs; // 12-16 // out // All glyphs.
const ImFontGlyph* FallbackGlyph; // 4-8 // out // = FindGlyph(FontFallbackChar)
// [Internal] Members: Cold ~32/40 bytes
// Conceptually ConfigData[] is the list of font sources merged to create this font.
ImFontAtlas* ContainerAtlas; // 4-8 // out // // What we has been loaded into
const ImFontConfig* ConfigData; // 4-8 // in // // Pointer within ContainerAtlas->ConfigData to ConfigDataCount instances
short ConfigDataCount; // 2 // in // ~ 1 // Number of ImFontConfig involved in creating this font. Bigger than 1 when merging multiple font sources into one ImFont.
ImFontAtlas* ContainerAtlas; // 4-8 // out // What we has been loaded into
const ImFontConfig* ConfigData; // 4-8 // in // Pointer within ContainerAtlas->ConfigData to ConfigDataCount instances
short ConfigDataCount; // 2 // in // Number of ImFontConfig involved in creating this font. Usually 1, or >1 when merging multiple font sources into one ImFont.
short EllipsisCharCount; // 1 // out // 1 or 3
ImWchar EllipsisChar; // 2-4 // out // = '...'/'.'// Character used for ellipsis rendering.
ImWchar FallbackChar; // 2-4 // out // = FFFD/'?' // Character used if a glyph isn't found.
float EllipsisWidth; // 4 // out // Width
ImWchar EllipsisChar; // 2-4 // out // Character used for ellipsis rendering ('...').
ImWchar FallbackChar; // 2-4 // out // Character used if a glyph isn't found (U+FFFD, '?')
float EllipsisWidth; // 4 // out // Total ellipsis Width
float EllipsisCharStep; // 4 // out // Step between characters when EllipsisCount > 0
float Scale; // 4 // in // = 1.f // Base font scale, multiplied by the per-window font scale which you can adjust with SetWindowFontScale()
float Ascent, Descent; // 4+4 // out // // Ascent: distance from top to bottom of e.g. 'A' [0..FontSize] (unscaled)
int MetricsTotalSurface;// 4 // out // // Total surface in pixels to get an idea of the font rasterization/texture cost (not exact, we approximate the cost of padding between glyphs)
float Scale; // 4 // in // Base font scale (1.0f), multiplied by the per-window font scale which you can adjust with SetWindowFontScale()
float Ascent, Descent; // 4+4 // out // Ascent: distance from top to bottom of e.g. 'A' [0..FontSize] (unscaled)
int MetricsTotalSurface;// 4 // out // Total surface in pixels to get an idea of the font rasterization/texture cost (not exact, we approximate the cost of padding between glyphs)
bool DirtyLookupTables; // 1 // out //
ImU8 Used8kPagesMap[(IM_UNICODE_CODEPOINT_MAX+1)/8192/8]; // 1 bytes if ImWchar=ImWchar16, 16 bytes if ImWchar==ImWchar32. Store 1-bit for each block of 4K codepoints that has one active glyph. This is mainly used to facilitate iterations across all used codepoints.