diff options
Diffstat (limited to 'source/blender/blenfont/intern/blf_internal.h')
| -rw-r--r-- | source/blender/blenfont/intern/blf_internal.h | 59 |
1 files changed, 44 insertions, 15 deletions
diff --git a/source/blender/blenfont/intern/blf_internal.h b/source/blender/blenfont/intern/blf_internal.h index 84037ff4bd0..2f3f7b52233 100644 --- a/source/blender/blenfont/intern/blf_internal.h +++ b/source/blender/blenfont/intern/blf_internal.h @@ -14,9 +14,23 @@ struct ResultBLF; struct rctf; struct rcti; -/* Max number of fonts in memory. Take care that every font has a glyph cache per size/dpi, +/* Max number of FontBLFs in memory. Take care that every font has a glyph cache per size/dpi, * so we don't need load the same font with different size, just load one and call BLF_size. */ -#define BLF_MAX_FONT 32 +#define BLF_MAX_FONT 64 + +/* Maximum number of opened FT_Face objects managed by cache. 0 is default of 2. */ +#define BLF_CACHE_MAX_FACES 4 +/* Maximum number of opened FT_Size objects managed by cache. 0 is default of 4 */ +#define BLF_CACHE_MAX_SIZES 8 +/* Maximum number of bytes to use for cached data nodes. 0 is default of 200,000. */ +#define BLF_CACHE_BYTES 400000 + +/* We assume square pixels at a fixed DPI of 72, scaling only the size. Therefore + * font size = points = pixels, i.e. a size of 20 will result in a 20-pixel EM square. + * Although we could use the actual monitor DPI instead, we would then have to scale + * the size to cancel that out. Other libraries like Skia use this same fixed value. + */ +#define BLF_DPI 72 extern struct FontBLF *global_font[BLF_MAX_FONT]; @@ -39,17 +53,31 @@ void blf_font_exit(void); bool blf_font_id_is_valid(int fontid); +/** + * Return glyph id from char-code. + */ +uint blf_get_char_index(struct FontBLF *font, uint charcode); + +bool blf_ensure_face(struct FontBLF *font); +void blf_ensure_size(struct FontBLF *font); + void blf_draw_buffer__start(struct FontBLF *font); void blf_draw_buffer__end(void); +struct FontBLF *blf_font_new_ex(const char *name, + const char *filepath, + const unsigned char *mem, + size_t mem_size, + void *ft_library); + struct FontBLF *blf_font_new(const char *name, const char *filepath); -struct FontBLF *blf_font_new_from_mem(const char *name, const unsigned char *mem, int mem_size); -void blf_font_attach_from_mem(struct FontBLF *font, const unsigned char *mem, int mem_size); +struct FontBLF *blf_font_new_from_mem(const char *name, const unsigned char *mem, size_t mem_size); +void blf_font_attach_from_mem(struct FontBLF *font, const unsigned char *mem, size_t mem_size); /** * Change font's output size. Returns true if successful in changing the size. */ -bool blf_font_size(struct FontBLF *font, float size, unsigned int dpi); +bool blf_font_size(struct FontBLF *font, float size); void blf_font_draw(struct FontBLF *font, const char *str, @@ -113,18 +141,19 @@ void blf_font_boundbox_foreach_glyph(struct FontBLF *font, size_t str_len, bool (*user_fn)(const char *str, size_t str_step_ofs, - const struct rcti *glyph_step_bounds, - int glyph_advance_x, - const struct rcti *glyph_bounds, - const int glyph_bearing[2], + const struct rcti *bounds, void *user_data), - void *user_data, - struct ResultBLF *r_info); + void *user_data); + +size_t blf_str_offset_from_cursor_position(struct FontBLF *font, + const char *str, + size_t str_len, + int location_x); -int blf_font_count_missing_chars(struct FontBLF *font, - const char *str, - size_t str_len, - int *r_tot_chars); +void blf_str_offset_to_glyph_bounds(struct FontBLF *font, + const char *str, + size_t str_offset, + struct rcti *glyph_bounds); void blf_font_free(struct FontBLF *font); |