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update fonts

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Matthew 2025-12-27 20:45:44 +11:00
parent c637de10ff
commit c00c404006
1 changed files with 6 additions and 0 deletions
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6
fonts.d
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@ -13,6 +13,7 @@ struct FontAtlas
f32 descent; f32 descent;
f32 line_gap; f32 line_gap;
f32 max_advance; f32 max_advance;
f32 line_height;
u32 width; u32 width;
u32 height; u32 height;
Glyph[128] glyphs; Glyph[128] glyphs;
@ -102,6 +103,10 @@ CreateAtlas(Arena* arena, FontFace font, f32 size, u32 dimension)
// TODO: proper packing algorithm // TODO: proper packing algorithm
if(font != null) if(font != null)
{ {
i64 bbox_ymax = font.bbox.yMax >> 6;
i64 bbox_ymin = font.bbox.yMin >> 6;
abuf.atlas.line_height = cast(f32)(bbox_ymax - bbox_ymin);
abuf.atlas.units_per_em = cast(f32)font.units_per_EM; abuf.atlas.units_per_em = cast(f32)font.units_per_EM;
abuf.atlas.ascent = cast(f32)font.ascender; abuf.atlas.ascent = cast(f32)font.ascender;
abuf.atlas.descent = cast(f32)font.descender; abuf.atlas.descent = cast(f32)font.descender;
@ -259,3 +264,4 @@ CreateAtlas(Arena* arena, FontFace font, f32 size, u32 dimension)
return abuf; return abuf;
} }