85 lines
1.6 KiB
C
85 lines
1.6 KiB
C
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/*
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* Mr. 4th Dimention - Allen Webster
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*
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* 11.03.2017
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*
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* Font system interface.
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*
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*/
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// TOP
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#if !defined(FCODER_FONT_INTERFACE_H)
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#define FCODER_FONT_INTERFACE_H
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typedef i32 Texture_Kind;
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enum{
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TextureKind_Error,
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TextureKind_Mono,
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};
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typedef u32 Graphics_Get_Texture_Function(Vec3_i32 dim, Texture_Kind texture_kind);
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typedef b32 Graphics_Fill_Texture_Function(Texture_Kind texture_kind, u32 texture,
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Vec3_i32 p, Vec3_i32 dim, void *data);
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////////////////////////////////
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struct Glyph_Bounds{
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Rect_f32 uv;
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f32 w;
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Rect_f32 xy_off;
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};
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struct Codepoint_Index_Map{
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b32 has_zero_index;
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u16 zero_index;
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u16 max_index;
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Table_u32_u16 table;
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};
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struct Face{
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Face_Description description;
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// NOTE(allen): Metrics
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f32 height;
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f32 ascent;
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f32 descent;
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f32 line_skip;
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f32 max_advance;
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f32 underline_yoff1;
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f32 underline_yoff2;
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f32 space_advance;
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f32 digit_advance;
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f32 hex_advance;
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f32 byte_advance;
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f32 byte_sub_advances[3];
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f32 typical_lowercase_advance;
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f32 typical_uppercase_advance;
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f32 typical_advance;
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// NOTE(allen): Glyph data
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Codepoint_Index_Map codepoint_to_index_map;
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u16 index_count;
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Glyph_Bounds *bounds;
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f32 *advance;
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Glyph_Bounds white;
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Texture_Kind texture_kind;
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u32 texture;
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Vec3_f32 texture_dim;
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};
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////////////////////////////////
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// NOTE(allen): Platform layer calls - implemented in a "font provider"
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typedef Face *Font_Make_Face_Function(Arena *arena, Face_Description *description);
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#endif
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// BOTTOM
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