1libcaca-font(3caca)                 libcaca                libcaca-font(3caca)
2
3
4

NAME

6       libcaca-font - The libcaca font format (version 1) All types are big
7       endian.
8
9       struct
10       {
11       magic:
12          uint8_t caca_header[2];    // ""
13          uint8_t caca_file_type[2]; // "FT"
14
15       font_header:
16          uint32_t control_size;     // Control size (font_data - font_header)
17          uint32_t data_size;        // Data size (EOF - font_data)
18
19          uint16_t version;          // Font format version
20                                     //  bit 0: set to 1 if font is compatible
21                                     //         with version 1 of the format
22                                     //  bits 1-15: unused yet, must be 0
23
24          uint16_t blocks;           // Number of blocks in the font
25          uint32_t glyphs;           // Total number of glyphs in the font
26
27          uint16_t bpp;              // Bits per pixel for glyph data (valid
28                                     // Values are 1, 2, 4 and 8)
29          uint16_t width;            // Standard glyph width
30          uint16_t height;           // Standard glyph height
31          uint16_t maxwidth;         // Maximum glyph width
32          uint16_t maxheight;        // Maximum glyph height
33
34          uint16_t flags;            // Feature flags
35                                     //  bit 0: set to 1 if font is fixed width
36                                     //  bits 1-15: unused yet, must be 0
37
38       block_info:
39          struct
40          {
41             uint32_t start;         // Unicode index of the first glyph
42             uint32_t stop;          // Unicode index of the last glyph + 1
43             uint32_t index;         // Glyph info index of the first glyph
44          }
45          block_list[blocks];
46
47       glyph_info:
48          struct
49          {
50             uint16_t width;         // Glyph width in pixels
51             uint16_t height;        // Glyph height in pixels
52             uint32_t data_offset;   // Offset (starting from data) to the data
53                                     // for the first character
54          }
55          glyph_list[glyphs];
56
57       control_extension_1:
58       control_extension_2:
59          ...
60       control_extension_N:
61          ...                        // reserved for future use
62
63       font_data:
64          uint8_t data[data_size];   // glyph data
65
66       data_extension_1:
67       data_extension_2:
68          ...
69       data_extension_N:
70          ...                        // reserved for future use
71       };
72
73Version 0.99.beta19             Thu Jul 22 2021            libcaca-font(3caca)
Impressum