dvi

package
v0.4.0 Latest Latest
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 Go to latest Published: Sep 1, 2021 License: BSD-3-Clause Imports: 10 Imported by: 0

Documentation

Overview

Package dvi implements encoding and decoding DVI documents.

More informations about the DVI standard can be found here:

Index

Constants

This section is empty.

Variables

This section is empty.

Functions

func Dump 

func Dump(r io.Reader, f func(cmd Cmd) error) error

Dump reads r until EOF and calls f for each decoded DVI command.

Types

type Cmd 

type Cmd interface {
	Name() string
	// contains filtered or unexported methods
}

Cmd is a DVI command.

type CmdBOP 

type CmdBOP struct {
	C0   int32 `json:"c0"`
	C1   int32 `json:"c1"`
	C2   int32 `json:"c2"`
	C3   int32 `json:"c3"`
	C4   int32 `json:"c4"`
	C5   int32 `json:"c5"`
	C6   int32 `json:"c6"`
	C7   int32 `json:"c7"`
	C8   int32 `json:"c8"`
	C9   int32 `json:"c9"`
	Prev int32 `json:"prev"`
}

func (CmdBOP) Name 

func (CmdBOP) Name() string

type CmdDown1 

type CmdDown1 struct {
	Value int32 `json:"v"`
}

func (CmdDown1) Name 

func (CmdDown1) Name() string

type CmdDown2 

type CmdDown2 struct {
	Value int32 `json:"v"`
}

func (CmdDown2) Name 

func (CmdDown2) Name() string

type CmdDown3 

type CmdDown3 struct {
	Value int32 `json:"v"`
}

func (CmdDown3) Name 

func (CmdDown3) Name() string

type CmdDown4 

type CmdDown4 struct {
	Value int32 `json:"v"`
}

func (CmdDown4) Name 

func (CmdDown4) Name() string

type CmdEOP 

type CmdEOP struct{}

func (CmdEOP) Name 

func (CmdEOP) Name() string

type CmdFnt1 

type CmdFnt1 struct {
	ID uint32
}

func (CmdFnt1) Name 

func (CmdFnt1) Name() string

type CmdFnt2 

type CmdFnt2 struct {
	ID uint32
}

func (CmdFnt2) Name 

func (CmdFnt2) Name() string

type CmdFnt3 

type CmdFnt3 struct {
	ID uint32
}

func (CmdFnt3) Name 

func (CmdFnt3) Name() string

type CmdFnt4 

type CmdFnt4 struct {
	ID int32
}

func (CmdFnt4) Name 

func (CmdFnt4) Name() string

type CmdFntDef1 

type CmdFntDef1 struct {
	ID       uint8  `json:"id"`
	Checksum uint32 `json:"chksum"`
	Size     int32  `json:"size"`
	Design   int32  `json:"dsize"`
	Area     string `json:"area"`
	Font     string `json:"name"`
}

func (CmdFntDef1) Name 

func (CmdFntDef1) Name() string

type CmdFntDef2 

type CmdFntDef2 struct {
	ID       uint16 `json:"id"`
	Checksum uint32 `json:"chksum"`
	Size     int32  `json:"size"`
	Design   int32  `json:"dsize"`
	Area     string `json:"area"`
	Font     string `json:"name"`
}

func (CmdFntDef2) Name 

func (CmdFntDef2) Name() string

type CmdFntDef3 

type CmdFntDef3 struct {
	ID       uint32 `json:"id"`
	Checksum uint32 `json:"chksum"`
	Size     int32  `json:"size"`
	Design   int32  `json:"dsize"`
	Area     string `json:"area"`
	Font     string `json:"name"`
}

func (CmdFntDef3) Name 

func (CmdFntDef3) Name() string

type CmdFntDef4 

type CmdFntDef4 struct {
	ID       int32  `json:"id"`
	Checksum uint32 `json:"chksum"`
	Size     int32  `json:"size"`
	Design   int32  `json:"dsize"`
	Area     string `json:"area"`
	Font     string `json:"name"`
}

func (CmdFntDef4) Name 

func (CmdFntDef4) Name() string

type CmdFntNum 

type CmdFntNum struct {
	ID uint8 `json:"-"`
}

func (CmdFntNum) Name 

func (cmd CmdFntNum) Name() string

type CmdNOP 

type CmdNOP struct{}

func (CmdNOP) Name 

func (CmdNOP) Name() string

type CmdPop 

type CmdPop struct{}

func (CmdPop) Name 

func (CmdPop) Name() string

type CmdPost 

type CmdPost struct {
	BOP      uint32 `json:"bop"`
	Num      int32  `json:"num"`
	Den      int32  `json:"den"`
	Mag      int32  `json:"mag"`
	Height   uint32 `json:"height`
	Width    uint32 `json:"width"`
	MaxStack uint16 `json:"max_stack"`
	Pages    uint16 `json:"pages"`
}

func (CmdPost) Name 

func (CmdPost) Name() string

type CmdPostPost 

type CmdPostPost struct {
	BOP     uint32 `json:"bop"`
	Version uint8  `json:"version"`
	Trailer uint8  `json:"trailer"`
}

func (CmdPostPost) Name 

func (CmdPostPost) Name() string

type CmdPre 

type CmdPre struct {
	Version uint8  `json:"version"`
	Num     int32  `json:"num"`
	Den     int32  `json:"den"`
	Mag     int32  `json:"mag"`
	Msg     string `json:"msg"`
}

func (CmdPre) Name 

func (cmd CmdPre) Name() string

type CmdPush 

type CmdPush struct{}

func (CmdPush) Name 

func (CmdPush) Name() string

type CmdPut1 

type CmdPut1 struct {
	Value uint32 `json:"v"`
}

func (CmdPut1) Name 

func (CmdPut1) Name() string

type CmdPut2 

type CmdPut2 struct {
	Value uint32 `json:"v"`
}

func (CmdPut2) Name 

func (CmdPut2) Name() string

type CmdPut3 

type CmdPut3 struct {
	Value uint32 `json:"v"`
}

func (CmdPut3) Name 

func (CmdPut3) Name() string

type CmdPut4 

type CmdPut4 struct {
	Value int32 `json:"v"`
}

func (CmdPut4) Name 

func (CmdPut4) Name() string

type CmdPutRule 

type CmdPutRule struct {
	Height int32 `json:"h"`
	Width  int32 `json:"w"`
}

func (CmdPutRule) Name 

func (CmdPutRule) Name() string

type CmdRight1 

type CmdRight1 struct {
	Value int32 `json:"v"`
}

func (CmdRight1) Name 

func (CmdRight1) Name() string

type CmdRight2 

type CmdRight2 struct {
	Value int32 `json:"v"`
}

func (CmdRight2) Name 

func (CmdRight2) Name() string

type CmdRight3 

type CmdRight3 struct {
	Value int32 `json:"v"`
}

func (CmdRight3) Name 

func (CmdRight3) Name() string

type CmdRight4 

type CmdRight4 struct {
	Value int32 `json:"v"`
}

func (CmdRight4) Name 

func (CmdRight4) Name() string

type CmdSet1 

type CmdSet1 struct {
	Value uint32 `json:"v"`
}

func (CmdSet1) Name 

func (CmdSet1) Name() string

type CmdSet2 

type CmdSet2 struct {
	Value uint32 `json:"v"`
}

func (CmdSet2) Name 

func (CmdSet2) Name() string

type CmdSet3 

type CmdSet3 struct {
	Value uint32 `json:"v"`
}

func (CmdSet3) Name 

func (CmdSet3) Name() string

type CmdSet4 

type CmdSet4 struct {
	Value int32 `json:"v"`
}

func (CmdSet4) Name 

func (CmdSet4) Name() string

type CmdSetChar 

type CmdSetChar struct {
	Value uint8 `json:"-"`
}

func (CmdSetChar) Name 

func (c CmdSetChar) Name() string

type CmdSetRule 

type CmdSetRule struct {
	Height int32 `json:"h"`
	Width  int32 `json:"w"`
}

func (CmdSetRule) Name 

func (CmdSetRule) Name() string

type CmdW0 

type CmdW0 struct{}

func (CmdW0) Name 

func (CmdW0) Name() string

type CmdW1 

type CmdW1 struct {
	Value int32 `json:"v"`
}

func (CmdW1) Name 

func (CmdW1) Name() string

type CmdW2 

type CmdW2 struct {
	Value int32 `json:"v"`
}

func (CmdW2) Name 

func (CmdW2) Name() string

type CmdW3 

type CmdW3 struct {
	Value int32 `json:"v"`
}

func (CmdW3) Name 

func (CmdW3) Name() string

type CmdW4 

type CmdW4 struct {
	Value int32 `json:"v"`
}

func (CmdW4) Name 

func (CmdW4) Name() string

type CmdX0 

type CmdX0 struct{}

func (CmdX0) Name 

func (CmdX0) Name() string

type CmdX1 

type CmdX1 struct {
	Value int32 `json:"v"`
}

func (CmdX1) Name 

func (CmdX1) Name() string

type CmdX2 

type CmdX2 struct {
	Value int32 `json:"v"`
}

func (CmdX2) Name 

func (CmdX2) Name() string

type CmdX3 

type CmdX3 struct {
	Value int32 `json:"v"`
}

func (CmdX3) Name 

func (CmdX3) Name() string

type CmdX4 

type CmdX4 struct {
	Value int32 `json:"v"`
}

func (CmdX4) Name 

func (CmdX4) Name() string

type CmdXXX1 

type CmdXXX1 struct {
	Value []byte
}

func (CmdXXX1) Name 

func (CmdXXX1) Name() string

type CmdXXX2 

type CmdXXX2 struct {
	Value []byte
}

func (CmdXXX2) Name 

func (CmdXXX2) Name() string

type CmdXXX3 

type CmdXXX3 struct {
	Value []byte
}

func (CmdXXX3) Name 

func (CmdXXX3) Name() string

type CmdXXX4 

type CmdXXX4 struct {
	Value []byte
}

func (CmdXXX4) Name 

func (CmdXXX4) Name() string

type CmdY0 

type CmdY0 struct{}

func (CmdY0) Name 

func (CmdY0) Name() string

type CmdY1 

type CmdY1 struct {
	Value int32 `json:"v"`
}

func (CmdY1) Name 

func (CmdY1) Name() string

type CmdY2 

type CmdY2 struct {
	Value int32 `json:"v"`
}

func (CmdY2) Name 

func (CmdY2) Name() string

type CmdY3 

type CmdY3 struct {
	Value int32 `json:"v"`
}

func (CmdY3) Name 

func (CmdY3) Name() string

type CmdY4 

type CmdY4 struct {
	Value int32 `json:"v"`
}

func (CmdY4) Name 

func (CmdY4) Name() string

type CmdZ0 

type CmdZ0 struct{}

func (CmdZ0) Name 

func (CmdZ0) Name() string

type CmdZ1 

type CmdZ1 struct {
	Value int32 `json:"v"`
}

func (CmdZ1) Name 

func (CmdZ1) Name() string

type CmdZ2 

type CmdZ2 struct {
	Value int32 `json:"v"`
}

func (CmdZ2) Name 

func (CmdZ2) Name() string

type CmdZ3 

type CmdZ3 struct {
	Value int32 `json:"v"`
}

func (CmdZ3) Name 

func (CmdZ3) Name() string

type CmdZ4 

type CmdZ4 struct {
	Value int32 `json:"v"`
}

func (CmdZ4) Name 

func (CmdZ4) Name() string

type Font 

type Font struct {
	// contains filtered or unexported fields
}

Font describes a DVI font, with TeX Font Metrics and its associated font glyph data.

type Machine 

type Machine struct {
	// contains filtered or unexported fields
}

Machine defines a DVI machine, handling DVI registers and DVI commands.

func NewMachine 

func NewMachine(opts ...Option) Machine

NewMachine creates a new DVI machine.

func (*Machine) Run 

func (m *Machine) Run(p Program) error

Run executes the whole DVI program on this DVI machine.

type Option 

type Option func(cfg *config) error

func WithContext 

func WithContext(ctx kpath.Context) Option

func WithLogOutput 

func WithLogOutput(w io.Writer) Option

func WithRenderer 

func WithRenderer(rdr Renderer) Option

type Program 

type Program struct {
	// contains filtered or unexported fields
}

func Compile 

func Compile(instr []byte) (Program, error)

type Renderer 

type Renderer interface {
	BOP(bop *CmdBOP)
	EOP()

	DrawGlyph(x, y int32, font Font, glyph rune, c color.Color)
	DrawRule(x, y, w, h int32, c color.Color)
}

Renderer defines the protocol to draw a DVI document.

Source Files

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