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Binary Cafe Font. nn::font in addition to supporting Open Type Fonts supports this custom bitmap font file format.
Standard ui2d header.
There are 5 section types, Font Information (FINF), Texture Glyph (TGLP), Character Width (CWDH), Code Map (CMAP), and Kerning (KRNG).
Font Information
| Offset
|
Size
|
Type
|
Description
|
| 0x0
|
0x8
|
Ui2d Section Header
|
Magic: "FINF"
|
| 0x8
|
0x1
|
u8
|
Font Type
|
| 0x9
|
0x1
|
u8
|
Height
|
| 0xa
|
0x1
|
u8
|
Width
|
| 0xb
|
0x1
|
u8
|
Ascent
|
| 0xc
|
0x2
|
u16
|
Line Feed
|
| 0xe
|
0x2
|
u16
|
Alternate Character Index
|
| 0x10
|
0x3
|
CharacterWidthData
|
Default Character Widths
|
| 0x13
|
0x1
|
u8
|
Character Encoding
|
| 0x14
|
0x4
|
u32
|
Texture Glyph Offset (TGLP)
|
| 0x18
|
0x4
|
u32
|
Character Width Offset (CWDH)
|
| 0x1c
|
0x4
|
u32
|
Code Map Offset (CMAP)
|
Font Type
| Name
|
Enum Value
|
Description
|
| Glyph
|
0x0
|
|
| Texture
|
0x1
|
Not witnessed by author
|
| PackedTexture
|
0x2
|
Not witnessed by author
|
Character Encoding
| Name
|
Enum Value
|
Description
|
| Utf16
|
0x0
|
|
| ShiftJis
|
0x1
|
|
| CP1252
|
0x2
|
|
Character Width Data
| Offset
|
Size
|
Type
|
Description
|
| 0x0
|
0x1
|
s8
|
Left Width
|
| 0x1
|
0x1
|
u8
|
Glyph Width
|
| 0x2
|
0x1
|
u8
|
Character Width
|
Texture Glyph
| Offset
|
Size
|
Type
|
Description
|
| 0x0
|
0x8
|
Ui2d Section Header
|
Magic: "TGLP"
|
| 0x8
|
0x1
|
u8
|
Cell Width
|
| 0x9
|
0x1
|
u8
|
Cell Height
|
| 0xa
|
0x1
|
u8
|
Texture Count
|
| 0xb
|
0x1
|
u8
|
Max Character Width
|
| 0xc
|
0x4
|
u32
|
Per Texture Size
|
| 0x10
|
0x2
|
u16
|
Baseline Position
|
| 0x12
|
0x2
|
u16
|
Image Format
|
| 0x14
|
0x2
|
u16
|
Cells Per Row
|
| 0x16
|
0x2
|
u16
|
Cells Per Column
|
| 0x18
|
0x2
|
u16
|
Image Width
|
| 0x1a
|
0x2
|
u16
|
Image Height
|
| 0x1c
|
0x4
|
u32
|
Image Data Offset (Bntx)
|
Image Format
| Name
|
Enum Value
|
Description
|
| R8G8B8A8_Unorm
|
0x0
|
|
| R8G8B8_Unorm
|
0x1
|
|
| R5G5B5A1_Unorm
|
0x2
|
|
| R5G6B5_Unorm
|
0x3
|
|
| R4G4B4A4_Unorm
|
0x4
|
|
| LA8_Unorm
|
0x5
|
|
| LA4_Unorm
|
0x6
|
|
| A4_Unorm
|
0x7
|
|
| A8_Unorm
|
0x8
|
|
| BC1_Unorm
|
0x9
|
|
| BC2_Unorm
|
0xa
|
|
| BC3_Unorm
|
0xb
|
|
| BC4_Unorm
|
0xc
|
|
| BC5_Unorm
|
0xd
|
|
| R8G8B8A8_SRGB
|
0xe
|
|
| BC1_SRGB
|
0xf
|
|
| BC2_SRGB
|
0x10
|
|
| BC3_SRGB
|
0x11
|
|
| BC7_Unorm
|
0x12
|
|
| BC7_SRGB
|
0x13
|
|
Character Width
| Offset
|
Size
|
Type
|
Description
|
| 0x0
|
0x8
|
Ui2d Section Header
|
Magic: "CWDH"
|
| 0x8
|
0x2
|
u16
|
First Entry Index
|
| 0xa
|
0x2
|
u16
|
Last Entry Index
|
| 0xc
|
0x4
|
u32
|
Next Character Width Offset (CWDH)
|
| 0x10
|
0x3
|
CharacterWidthData
|
Character Width Array
|
Code Map
| Offset
|
Size
|
Type
|
Description
|
| 0x0
|
0x8
|
Ui2d Section Header
|
Magic: "CMAP"
|
| 0x8
|
0x4
|
u32
|
Code Range Begin
|
| 0xc
|
0x4
|
u32
|
Code Range End
|
| 0x10
|
0x2
|
u16
|
Map Method
|
| 0x12
|
0x2
|
u16
|
Unknown/Reserved
|
| 0x14
|
0x4
|
u32
|
Next Code Map Offset (CMAP)
|
| 0x18
|
0x2
0x2 * Range
0x4 + 0x4 * Range
|
Direct
Table
Scan
|
See below
|
Code Map Method
| Name
|
Enum Value
|
Description
|
| Direct
|
0x0
|
|
| Table
|
0x1
|
|
| Scan
|
0x2
|
|
Direct
| Offset
|
Size
|
Type
|
Description
|
| 0x0
|
0x2
|
u16
|
Base Character
|
Table
| Offset
|
Size
|
Type
|
Description
|
| 0x0
|
0x2 * Range
|
u16
|
Character
|
Scan
| Offset
|
Size
|
Type
|
Description
|
| 0x0
|
0x2
|
u16
|
Scan Half Count
|
| 0x2
|
0x2
|
u16
|
Unknown/Reserved
|
| 0x4
|
0x4 * Range
|
ScanEntry
|
Scan Entry Array (sorted)
|
Scan Entry
| Offset
|
Size
|
Type
|
Description
|
| 0x0
|
0x2
|
u16
|
Key
|
| 0x2
|
0x2
|
u16
|
Code
|
Kerning (TODO)
This section has not yet been witnessed by author.