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41 lines
811 B
41 lines
811 B
2 years ago
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#ifndef _FONT_H
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#define _FONT_H
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#define CACHE_SIZE 512
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/* width and height of a glyph contain the kering advance
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* (u,v)
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* +----------*---+ -
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* | .ii. | | ^
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* | @@@@@@. |<->| |
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* | V@Mio@@o |adv| |
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* | :i. V@V | | |
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* | :oM@@M | | |
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* | :@@@MM@M | | |
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* | @@o o@M | | |
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* |:@@. M@M | | |
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* | @@@o@@@@ | | |
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* | :M@@V:@@.| | v
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* +----------*---+ -
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* |<------------->|
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* w
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*/
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struct font_glyph {
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unsigned int codepoint;
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unsigned int u, v, w, h;
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};
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struct font_atlas;
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int load_font(struct font_atlas *atlas, const char *path, int height);
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int free_font(struct font_atlas *atlas);
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void cache_init(void);
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void cache_destroy(void);
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struct font_glyph * cache_get(unsigned int code);
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int cache_insert(struct font_glyph *g);
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#endif
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