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Document native glyph raster backlog

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gamer147
2026-07-28 16:56:07 -04:00
parent 014fd8d78f
commit 5ce3a7b6f7
5 changed files with 105 additions and 15 deletions
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7
godot/Main.cs
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@@ -16,9 +16,10 @@ public partial class Main : Godot.Control
{
private const int ScreenWidth = 800;
private const int ScreenHeight = 600;
// Calibrated against GDI GetGlyphOutlineW(GGO_GRAY4_BITMAP) for Himegari's 24px MS Mincho
// weight-700 profile. This matches native glyph coverage while one pixel of spacing approximates
// GDI's synthetic-bold advance expansion; see docs/engine-re.md.
// Provisional approximation only: AGE asks GDI to synthesize LOGFONT weight 700, grid-fit a
// GGO_GRAY4 mask, and composites that mask itself. Godot instead applies FreeType embolden plus
// spacing. Do not retune these values from screenshots; replace this approximation from the decoded
// native glyph-mask contract. See docs/engine-re.md.
private const float NativeBoldEmbolden = 0.53f;
private const int NativeBoldGlyphSpacing = 1;
private TextureRect _screenView = null!; // shows the composited screen backbuffer