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idk cache I guess

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Alessandro Mauri 2023-02-21 22:05:28 +01:00
parent dcce0ed11b
commit e80d426872
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22 changed files with 198 additions and 3793 deletions
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36
text_rendering/font.h
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@ -4,29 +4,35 @@
/* width and height of a glyph contain the kering advance
* (u,v)
* +----------*---+ -
* | .ii. | | ^
* | @@@@@@. |<->| |
* | V@Mio@@o |adv| |
* | :i. V@V | | |
* | :oM@@M | | |
* | :@@@MM@M | | |
* | @@o o@M | | |
* |:@@. M@M | | |
* | @@@o@@@@ | | |
* | :M@@V:@@.| | v
* +----------*---+ -
* +-------------*---+ -
* | ^ | | ^
* | |oy | | |
* | v | | |
* | .ii. | | |
* | @@@@@@. |<->| |
* | V@Mio@@o |adv| |
* | :i. V@V | | |
* | :oM@@M | | |
* | :@@@MM@M | | |
* | @@o o@M | | |
* |<->:@@. M@M | | |
* |ox @@@o@@@@ | | |
* | :M@@V:@@.| | v
* +-------------*---+ -
* |<------------->|
* w
*/
// TODO: the advance isn't unique for every pair of characters
struct font_glyph {
unsigned int codepoint;
unsigned int u, v, w, h;
unsigned int u, v, w, h, a, x, y;
};
struct font_atlas {
unsigned int glyphs, width, height;
unsigned int width, height;
unsigned char *atlas;
unsigned int glyph_max_w, glyph_max_h;
int size;
int file_size;
char *file;
void *priv;
@ -34,7 +40,7 @@ struct font_atlas {
struct font_atlas * font_init(void);
int font_load(struct font_atlas *atlas, const char *path);
int font_load(struct font_atlas *atlas, const char *path, int size);
int font_free(struct font_atlas *atlas);
const struct font_glyph * font_get_glyph_texture(struct font_atlas *atlas, unsigned int code, int *updated);
void font_dump(const struct font_atlas *atlas, const char *path);