88 lines
1.7 KiB
C
88 lines
1.7 KiB
C
/*
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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_H)
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#define FCODER_FONT_H
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struct Font_Loadable_Stub{
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b32 load_from_path;
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b32 in_font_folder;
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i32 len;
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char name[256];
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};
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struct Face_Parameters{
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i32 pt_size;
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b32 italics;
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b32 bold;
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b32 underline;
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b32 use_hinting;
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};
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struct Face_Settings{
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Font_Loadable_Stub stub;
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Face_Parameters parameters;
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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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typedef i32 Texture_Kind;
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struct Face{
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Face_Settings settings;
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// NOTE(allen): Metrics
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String_Const_u8 name;
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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 advance;
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f32 underline_yoff1;
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f32 underline_yoff2;
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f32 byte_advance;
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f32 sub_advances[3];
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// NOTE(allen): Glyph data
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Table_u32_u16 codepoint_to_index_table;
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i32 index_count;
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Glyph_Bounds *bounds;
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Glyph_Bounds white;
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Texture_Kind gpu_texture_kind;
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u32 gpu_texture;
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Vec3_f32 gpu_texture_dim;
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};
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////////////////////////////////
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typedef u32 Get_GPU_Texture_Function(Vec3_i32 dim, Texture_Kind texture_kind);
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typedef b32 Fill_GPU_Texture_Function(Texture_Kind texture_kind, u32 gpu_texture,
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Vec3_i32 p, Vec3_i32 dim, void *data);
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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_Settings *settings,
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Get_GPU_Texture_Function *get_gpu_texture,
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Fill_GPU_Texture_Function *fill_gpu_texture);
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#endif
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// BOTTOM
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