font

package

v0.0.0-...-e815181 Latest Latest Go to latest Published: Aug 6, 2023 License: MPL-2.0 Imports: 6 Imported by: 0

Details

Valid go.mod file

The Go module system was introduced in Go 1.11 and is the official dependency management solution for Go.
Redistributable license

Redistributable licenses place minimal restrictions on how software can be used, modified, and redistributed.
Tagged version

Modules with tagged versions give importers more predictable builds.
Stable version

When a project reaches major version v1 it is considered stable.
Learn more about best practices

Repository

git.sr.ht/~condor/d2

Documentation ¶

Index ¶

Variables
func Sfnt2Woff(fontBuf []byte) ([]byte, error)
func UTF8CutFont(inBuf []byte, cutset string) (outBuf []byte)
type TableEntry

Constants ¶

This section is empty.

Variables ¶

View Source

var (
	// sfnt2Woff offset
	SFNT_OFFSET_TAG      = 0
	SFNT_OFFSET_CHECKSUM = 4
	SFNT_OFFSET_OFFSET   = 8
	SFNT_OFFSET_LENGTH   = 12

	// sfnt2Woff entry offset
	SFNT_ENTRY_OFFSET_FLAVOR              = 0
	SFNT_ENTRY_OFFSET_VERSION_MAJ         = 4
	SFNT_ENTRY_OFFSET_VERSION_MIN         = 6
	SFNT_ENTRY_OFFSET_CHECKSUM_ADJUSTMENT = 8

	// woff offset
	WOFF_OFFSET_MAGIC            = 0
	WOFF_OFFSET_FLAVOR           = 4
	WOFF_OFFSET_SIZE             = 8
	WOFF_OFFSET_NUM_TABLES       = 12
	WOFF_OFFSET_RESERVED         = 14
	WOFF_OFFSET_SFNT_SIZE        = 16
	WOFF_OFFSET_VERSION_MAJ      = 20
	WOFF_OFFSET_VERSION_MIN      = 22
	WOFF_OFFSET_META_OFFSET      = 24
	WOFF_OFFSET_META_LENGTH      = 28
	WOFF_OFFSET_META_ORIG_LENGTH = 32
	WOFF_OFFSET_PRIV_OFFSET      = 36
	WOFF_OFFSET_PRIV_LENGTH      = 40

	// woff entry offset
	WOFF_ENTRY_OFFSET_TAG          = 0
	WOFF_ENTRY_OFFSET_OFFSET       = 4
	WOFF_ENTRY_OFFSET_COMPR_LENGTH = 8
	WOFF_ENTRY_OFFSET_LENGTH       = 12
	WOFF_ENTRY_OFFSET_CHECKSUM     = 16

	// magic
	MAGIC_WOFF                uint32 = 0x774f4646
	MAGIC_CHECKSUM_ADJUSTMENT uint32 = 0xb1b0afba

	// sizes
	SIZE_OF_WOFF_HEADER      = 44
	SIZE_OF_WOFF_ENTRY       = 20
	SIZE_OF_SFNT_HEADER      = 12
	SIZE_OF_SFNT_TABLE_ENTRY = 16
)

Functions ¶

func Sfnt2Woff ¶

func Sfnt2Woff(fontBuf []byte) ([]byte, error)

func UTF8CutFont ¶

func UTF8CutFont(inBuf []byte, cutset string) (outBuf []byte)

UTF8CutFont is a utility function that generates a TrueType font composed only of the runes included in cutset. The rune glyphs are copied from This function is demonstrated in ExampleUTF8CutFont().

Types ¶

type TableEntry ¶

type TableEntry struct {
	Tag      []byte
	CheckSum uint32
	Offset   uint32
	Length   uint32
}

Source Files ¶

View all Source files

?	: This menu
/	: Search site
f or F	: Jump to
y or Y	: Canonical URL