deps,text,widget,font/opentype: [API] add harfbuzz-powered text shaper

This commit introduces a new text shaping infrastructure
powered by Benoit Kugler's Go source-port of harfbuzz.
This shaper can properly display complex scripts and RTL
text. This commit changes the signature of the text.Shaper
function, which is a breaking API change.

The new functionality is available via opentype.ParseHarfbuzz,
which configures a text.Shaper leveraging the new backend.

References: https://todo.sr.ht/~eliasnaur/gio/146
Signed-off-by: Chris Waldon <christopher.waldon.dev@gmail.com>
This commit is contained in:
Chris Waldon
2022-03-16 16:01:33 -04:00
committed by Elias Naur
parent db82d12372
commit 1e5a3696f5
12 changed files with 3009 additions and 143 deletions
+531
View File
@@ -0,0 +1,531 @@
package internal
import (
"io"
"gioui.org/io/system"
"gioui.org/text"
"github.com/benoitkugler/textlayout/language"
"github.com/go-text/typesetting/di"
"github.com/go-text/typesetting/font"
"github.com/go-text/typesetting/shaping"
"github.com/npillmayer/uax/segment"
"github.com/npillmayer/uax/uax14"
"golang.org/x/image/math/fixed"
)
// computeGlyphClusters populates the Clusters field of a Layout.
// The order of the clusters is visual, meaning
// that the first cluster is the leftmost cluster displayed even when
// the cluster is part of RTL text.
func computeGlyphClusters(l *text.Layout) {
clusters := make([]text.GlyphCluster, 0, len(l.Glyphs)+1)
if len(l.Glyphs) < 1 {
if l.Runes.Count > 0 {
// Empty line corresponding to a newline character.
clusters = append(clusters, text.GlyphCluster{
Runes: text.Range{
Count: 1,
Offset: l.Runes.Offset,
},
})
}
l.Clusters = clusters
return
}
rtl := l.Direction == system.RTL
// Check for trailing whitespace characters and synthesize
// GlyphClusters to represent them.
lastGlyph := l.Glyphs[len(l.Glyphs)-1]
if rtl {
lastGlyph = l.Glyphs[0]
}
trailingNewline := lastGlyph.ClusterIndex+lastGlyph.RuneCount < l.Runes.Count+l.Runes.Offset
newlineCluster := text.GlyphCluster{
Runes: text.Range{
Count: 1,
Offset: l.Runes.Count + l.Runes.Offset - 1,
},
Glyphs: text.Range{
Offset: len(l.Glyphs),
},
}
var (
i int = 0
inc int = 1
runesProcessed int = 0
glyphsProcessed int = 0
)
if rtl {
i = len(l.Glyphs) - 1
inc = -inc
glyphsProcessed = len(l.Glyphs) - 1
newlineCluster.Glyphs.Offset = 0
}
// Construct clusters from the line's glyphs.
for ; i < len(l.Glyphs) && i >= 0; i += inc {
g := l.Glyphs[i]
xAdv := g.XAdvance * fixed.Int26_6(inc)
for k := 0; k < g.GlyphCount-1 && k < len(l.Glyphs); k++ {
i += inc
xAdv += l.Glyphs[i].XAdvance * fixed.Int26_6(inc)
}
startRune := runesProcessed
runeIncrement := g.RuneCount
startGlyph := glyphsProcessed
glyphIncrement := g.GlyphCount * inc
if rtl {
startGlyph = glyphsProcessed + glyphIncrement + 1
}
clusters = append(clusters, text.GlyphCluster{
Advance: xAdv,
Runes: text.Range{
Count: g.RuneCount,
Offset: startRune + l.Runes.Offset,
},
Glyphs: text.Range{
Count: g.GlyphCount,
Offset: startGlyph,
},
})
runesProcessed += runeIncrement
glyphsProcessed += glyphIncrement
}
// Insert synthetic clusters at the right edge of the line.
if trailingNewline {
clusters = append(clusters, newlineCluster)
}
l.Clusters = clusters
return
}
// langConfig describes the language and writing system of a body of text.
type langConfig struct {
// Language the text is written in.
language.Language
// Writing system used to represent the text.
language.Script
// Direction of the text, usually driven by the writing system.
di.Direction
}
// mapRunesToClusterIndices returns a slice. Each index within that slice corresponds
// to an index within the runes input slice. The value stored at that index is the
// index of the glyph at the start of the corresponding glyph cluster shaped by
// harfbuzz.
func mapRunesToClusterIndices(runes []rune, glyphs []shaping.Glyph) []int {
mapping := make([]int, len(runes))
glyphCursor := 0
if len(runes) == 0 {
return nil
}
// If the final cluster values are lower than the starting ones,
// the text is RTL.
rtl := len(glyphs) > 0 && glyphs[len(glyphs)-1].ClusterIndex < glyphs[0].ClusterIndex
if rtl {
glyphCursor = len(glyphs) - 1
}
for i := range runes {
for glyphCursor >= 0 && glyphCursor < len(glyphs) &&
((rtl && glyphs[glyphCursor].ClusterIndex <= i) ||
(!rtl && glyphs[glyphCursor].ClusterIndex < i)) {
if rtl {
glyphCursor--
} else {
glyphCursor++
}
}
if rtl {
glyphCursor++
} else if (glyphCursor >= 0 && glyphCursor < len(glyphs) &&
glyphs[glyphCursor].ClusterIndex > i) ||
(glyphCursor == len(glyphs) && len(glyphs) > 1) {
glyphCursor--
targetClusterIndex := glyphs[glyphCursor].ClusterIndex
for glyphCursor-1 >= 0 && glyphs[glyphCursor-1].ClusterIndex == targetClusterIndex {
glyphCursor--
}
}
if glyphCursor < 0 {
glyphCursor = 0
} else if glyphCursor >= len(glyphs) {
glyphCursor = len(glyphs) - 1
}
mapping[i] = glyphCursor
}
return mapping
}
// inclusiveGlyphRange returns the inclusive range of runes and glyphs matching
// the provided start and breakAfter rune positions.
// runeToGlyph must be a valid mapping from the rune representation to the
// glyph reprsentation produced by mapRunesToClusterIndices.
// numGlyphs is the number of glyphs in the output representing the runes
// under consideration.
func inclusiveGlyphRange(start, breakAfter int, runeToGlyph []int, numGlyphs int) (glyphStart, glyphEnd int) {
rtl := runeToGlyph[len(runeToGlyph)-1] < runeToGlyph[0]
runeStart := start
runeEnd := breakAfter
if rtl {
glyphStart = runeToGlyph[runeEnd]
if runeStart-1 >= 0 {
glyphEnd = runeToGlyph[runeStart-1] - 1
} else {
glyphEnd = numGlyphs - 1
}
} else {
glyphStart = runeToGlyph[runeStart]
if runeEnd+1 < len(runeToGlyph) {
glyphEnd = runeToGlyph[runeEnd+1] - 1
} else {
glyphEnd = numGlyphs - 1
}
}
return
}
// breakOption represets a location within the rune slice at which
// it may be safe to break a line of text.
type breakOption struct {
// breakAtRune is the index at which it is safe to break.
breakAtRune int
// penalty is the cost of breaking at this index. Negative
// penalties mean that the break is beneficial, and a penalty
// of uax14.PenaltyForMustBreak means a required break.
penalty int
}
// getBreakOptions returns a slice of line break candidates for the
// text in the provided slice.
func getBreakOptions(text []rune) []breakOption {
// Collect options for breaking the lines in a slice.
var options []breakOption
const adjust = -1
breaker := uax14.NewLineWrap()
segmenter := segment.NewSegmenter(breaker)
segmenter.InitFromSlice(text)
runeOffset := 0
brokeAtEnd := false
for segmenter.Next() {
penalty, _ := segmenter.Penalties()
// Determine the indices of the breaking runes in the runes
// slice. Would be nice if the API provided this.
currentSegment := segmenter.Runes()
runeOffset += len(currentSegment)
// Collect all break options.
options = append(options, breakOption{
penalty: penalty,
breakAtRune: runeOffset + adjust,
})
if options[len(options)-1].breakAtRune == len(text)-1 {
brokeAtEnd = true
}
}
if len(text) > 0 && !brokeAtEnd {
options = append(options, breakOption{
penalty: uax14.PenaltyForMustBreak,
breakAtRune: len(text) - 1,
})
}
return options
}
type Shaper func(shaping.Input) (shaping.Output, error)
// paragraph shapes a single paragraph of text, breaking it into multiple lines
// to fit within the provided maxWidth.
func paragraph(shaper Shaper, face font.Face, ppem fixed.Int26_6, maxWidth int, lc langConfig, paragraph []rune) ([]output, error) {
// TODO: handle splitting bidi text here
// Shape the text.
input := toInput(face, ppem, lc, paragraph)
out, err := shaper(input)
if err != nil {
return nil, err
}
// Get a mapping from input runes to output glyphs.
runeToGlyph := mapRunesToClusterIndices(paragraph, out.Glyphs)
// Fetch line break candidates.
breaks := getBreakOptions(paragraph)
return lineWrap(out, input.Direction, paragraph, runeToGlyph, breaks, maxWidth), nil
}
// shouldKeepSegmentOnLine decides whether the segment of text from the current
// end of the line to the provided breakOption should be kept on the current
// line. It should be called successively with each available breakOption,
// and the line should be broken (without keeping the current segment)
// whenever it returns false.
//
// The parameters require some explanation:
// out - the shaping.Output that is being line-broken.
// runeToGlyph - a mapping where accessing the slice at the index of a rune
// int out will yield the index of the first glyph corresponding to that rune.
// lineStartRune - the index of the first rune in the line.
// b - the line break candidate under consideration.
// curLineWidth - the amount of space total in the current line.
// curLineUsed - the amount of space in the current line that is already used.
// nextLineWidth - the amount of space available on the next line.
//
// This function returns both a valid shaping.Output broken at b and a boolean
// indicating whether the returned output should be used.
func shouldKeepSegmentOnLine(out shaping.Output, runeToGlyph []int, lineStartRune int, b breakOption, curLineWidth, curLineUsed, nextLineWidth int) (candidateLine shaping.Output, keep bool) {
// Convert the break target to an inclusive index.
glyphStart, glyphEnd := inclusiveGlyphRange(lineStartRune, b.breakAtRune, runeToGlyph, len(out.Glyphs))
// Construct a line out of the inclusive glyph range.
candidateLine = out
candidateLine.Glyphs = candidateLine.Glyphs[glyphStart : glyphEnd+1]
candidateLine.RecomputeAdvance()
candidateAdvance := candidateLine.Advance.Ceil()
if candidateAdvance > curLineWidth && candidateAdvance-curLineUsed <= nextLineWidth {
// If it fits on the next line, put it there.
return candidateLine, false
}
return candidateLine, true
}
// lineWrap wraps the shaped glyphs of a paragraph to a particular max width.
func lineWrap(out shaping.Output, dir di.Direction, paragraph []rune, runeToGlyph []int, breaks []breakOption, maxWidth int) []output {
var outputs []output
if len(breaks) == 0 {
// Pass empty lines through as empty.
outputs = append(outputs, output{
Shaped: out,
RuneRange: text.Range{
Count: len(paragraph),
},
})
return outputs
}
for i := 0; i < len(breaks); i++ {
b := breaks[i]
if b.breakAtRune+1 < len(runeToGlyph) {
// Check if this break is valid.
gIdx := runeToGlyph[b.breakAtRune]
g2Idx := runeToGlyph[b.breakAtRune+1]
cIdx := out.Glyphs[gIdx].ClusterIndex
c2Idx := out.Glyphs[g2Idx].ClusterIndex
if cIdx == c2Idx {
// This break is within a harfbuzz cluster, and is
// therefore invalid.
copy(breaks[i:], breaks[i+1:])
breaks = breaks[:len(breaks)-1]
i--
}
}
}
start := 0
runesProcessed := 0
for i := 0; i < len(breaks); i++ {
b := breaks[i]
// Always keep the first segment on a line.
good, _ := shouldKeepSegmentOnLine(out, runeToGlyph, start, b, maxWidth, 0, maxWidth)
end := b.breakAtRune
innerLoop:
for k := i + 1; k < len(breaks); k++ {
bb := breaks[k]
candidate, ok := shouldKeepSegmentOnLine(out, runeToGlyph, start, bb, maxWidth, good.Advance.Ceil(), maxWidth)
if ok {
// Use this new, longer segment.
good = candidate
end = bb.breakAtRune
i++
} else {
break innerLoop
}
}
numRunes := end - start + 1
outputs = append(outputs, output{
Shaped: good,
RuneRange: text.Range{
Count: numRunes,
Offset: runesProcessed,
},
})
runesProcessed += numRunes
start = end + 1
}
return outputs
}
// output is a run of shaped text with metadata about its position
// within a text document.
type output struct {
Shaped shaping.Output
RuneRange text.Range
}
func toSystemDirection(d di.Direction) system.TextDirection {
switch d {
case di.DirectionLTR:
return system.LTR
case di.DirectionRTL:
return system.RTL
}
return system.LTR
}
// toGioGlyphs converts text shaper glyphs into the minimal representation
// that Gio needs.
func toGioGlyphs(in []shaping.Glyph) []text.Glyph {
out := make([]text.Glyph, 0, len(in))
for _, g := range in {
out = append(out, text.Glyph{
ID: g.GlyphID,
ClusterIndex: g.ClusterIndex,
RuneCount: g.RuneCount,
GlyphCount: g.GlyphCount,
XAdvance: g.XAdvance,
YAdvance: g.YAdvance,
XOffset: g.XOffset,
YOffset: g.YOffset,
})
}
return out
}
// ToLine converts the output into a text.Line
func (o output) ToLine() text.Line {
advances := make([]fixed.Int26_6, 0, len(o.Shaped.Glyphs))
for _, glyph := range o.Shaped.Glyphs {
advances = append(advances, glyph.XAdvance)
}
layout := text.Layout{
Advances: advances,
Glyphs: toGioGlyphs(o.Shaped.Glyphs),
Runes: o.RuneRange,
Direction: toSystemDirection(o.Shaped.Direction),
}
return text.Line{
Layout: layout,
Bounds: fixed.Rectangle26_6{
Min: fixed.Point26_6{
Y: -o.Shaped.LineBounds.Ascent,
},
Max: fixed.Point26_6{
X: o.Shaped.Advance,
Y: -o.Shaped.LineBounds.Ascent + o.Shaped.LineBounds.LineHeight(),
},
},
Width: o.Shaped.Advance,
Ascent: o.Shaped.LineBounds.Ascent,
Descent: -o.Shaped.LineBounds.Descent + o.Shaped.LineBounds.Gap,
}
}
func mapDirection(d system.TextDirection) di.Direction {
switch d {
case system.LTR:
return di.DirectionLTR
case system.RTL:
return di.DirectionRTL
}
return di.DirectionLTR
}
// Document shapes text using the given font, ppem, maximum line width, language,
// and sequence of runes. It returns a slice of lines corresponding to the txt,
// broken to fit within maxWidth and on paragraph boundaries.
func Document(shaper Shaper, face font.Face, ppem fixed.Int26_6, maxWidth int, lc system.Locale, txt io.RuneReader) []text.Line {
var (
outputs []text.Line
startByte int
startRune int
paragraphText []rune
done bool
langs = make(map[language.Script]int)
)
for !done {
var (
bytes int
runes int
)
newlineAdjust := 0
paragraphLoop:
for r, sz, re := txt.ReadRune(); !done; r, sz, re = txt.ReadRune() {
if re != nil {
done = true
continue
}
paragraphText = append(paragraphText, r)
script := language.LookupScript(r)
if _, ok := langs[script]; ok {
langs[script]++
} else {
langs[script] = 1
}
bytes += sz
runes++
if r == '\n' {
newlineAdjust = 1
break paragraphLoop
}
}
var (
primary language.Script
primaryTotal int
)
for script, total := range langs {
if total > primaryTotal {
primary = script
primaryTotal = total
}
}
if lc.Language == "" {
lc.Language = "EN"
}
lcfg := langConfig{
Language: language.NewLanguage(lc.Language),
Script: primary,
Direction: mapDirection(lc.Direction),
}
lines, _ := paragraph(shaper, face, ppem, maxWidth, lcfg, paragraphText[:len(paragraphText)-newlineAdjust])
for i := range lines {
// Update the offsets of each paragraph to be correct within the
// whole document.
lines[i].RuneRange.Offset += startRune
// Update the cluster values to be rune indices within the entire
// document.
for k := range lines[i].Shaped.Glyphs {
lines[i].Shaped.Glyphs[k].ClusterIndex += startRune
}
outputs = append(outputs, lines[i].ToLine())
}
// If there was a trailing newline update the byte counts to include
// it on the last line of the paragraph.
if newlineAdjust > 0 {
outputs[len(outputs)-1].Layout.Runes.Count += newlineAdjust
}
paragraphText = paragraphText[:0]
startByte += bytes
startRune += runes
}
for i := range outputs {
computeGlyphClusters(&outputs[i].Layout)
}
return outputs
}
// toInput converts its parameters into a shaping.Input.
func toInput(face font.Face, ppem fixed.Int26_6, lc langConfig, runes []rune) shaping.Input {
var input shaping.Input
input.Direction = lc.Direction
input.Text = runes
input.Size = ppem
input.Face = face
input.Language = lc.Language
input.Script = lc.Script
input.RunStart = 0
input.RunEnd = len(runes)
return input
}
File diff suppressed because it is too large Load Diff
+125 -19
View File
@@ -6,20 +6,75 @@ package opentype
import (
"bytes"
"fmt"
"image"
"io"
"unicode"
"unicode/utf8"
"github.com/benoitkugler/textlayout/fonts"
"github.com/benoitkugler/textlayout/fonts/truetype"
"github.com/benoitkugler/textlayout/harfbuzz"
"github.com/go-text/typesetting/shaping"
"golang.org/x/image/font"
"golang.org/x/image/font/sfnt"
"golang.org/x/image/math/fixed"
"gioui.org/f32"
"gioui.org/font/opentype/internal"
"gioui.org/io/system"
"gioui.org/op"
"gioui.org/op/clip"
"gioui.org/text"
)
// HarfbuzzFont implements the text.Shaper interface using a rich text
// shaping engine.
type HarfbuzzFont struct {
font *truetype.Font
}
// ParseHarfbuzz constructs a HarfbuzzFont from source bytes.
func ParseHarfbuzz(src []byte) (*HarfbuzzFont, error) {
face, err := truetype.Parse(bytes.NewReader(src))
if err != nil {
return nil, fmt.Errorf("failed parsing truetype font: %w", err)
}
return &HarfbuzzFont{
font: face,
}, nil
}
func (f *HarfbuzzFont) Layout(ppem fixed.Int26_6, maxWidth int, lc system.Locale, txt io.RuneReader) ([]text.Line, error) {
return internal.Document(shaping.Shape, f.font, ppem, maxWidth, lc, txt), nil
}
func (f *HarfbuzzFont) Shape(ppem fixed.Int26_6, str text.Layout) clip.PathSpec {
return harfbuzzTextPath(ppem, f, str)
}
func (f *HarfbuzzFont) Metrics(ppem fixed.Int26_6) font.Metrics {
metrics := font.Metrics{}
font := harfbuzz.NewFont(f.font)
font.XScale = int32(ppem.Ceil()) << 6
font.YScale = font.XScale
// Use any horizontal direction.
fontExtents := font.ExtentsForDirection(harfbuzz.LeftToRight)
ascender := fixed.I(int(fontExtents.Ascender * 64))
descender := fixed.I(int(fontExtents.Descender * 64))
gap := fixed.I(int(fontExtents.LineGap * 64))
metrics.Height = ascender + descender + gap
metrics.Ascent = ascender
metrics.Descent = descender
// These three are not readily available.
// TODO(whereswaldon): figure out how to get these values.
metrics.XHeight = ascender
metrics.CapHeight = ascender
metrics.CaretSlope = image.Pt(0, 1)
return metrics
}
// Font implements text.Face. Its methods are safe to use
// concurrently.
type Font struct {
@@ -109,7 +164,7 @@ func (c *Collection) Font(i int) (*Font, error) {
return &Font{font: c.fonts[i].Font}, nil
}
func (f *Font) Layout(ppem fixed.Int26_6, maxWidth int, txt io.Reader) ([]text.Line, error) {
func (f *Font) Layout(ppem fixed.Int26_6, maxWidth int, lc system.Locale, txt io.RuneReader) ([]text.Line, error) {
glyphs, err := readGlyphs(txt)
if err != nil {
return nil, err
@@ -130,7 +185,7 @@ func (f *Font) Metrics(ppem fixed.Int26_6) font.Metrics {
return o.Metrics(&buf, ppem)
}
func (c *Collection) Layout(ppem fixed.Int26_6, maxWidth int, txt io.Reader) ([]text.Line, error) {
func (c *Collection) Layout(ppem fixed.Int26_6, maxWidth int, lc system.Locale, txt io.RuneReader) ([]text.Line, error) {
glyphs, err := readGlyphs(txt)
if err != nil {
return nil, err
@@ -325,31 +380,82 @@ func textPath(buf *sfnt.Buffer, ppem fixed.Int26_6, fonts []*opentype, str text.
return builder.End()
}
func readGlyphs(r io.Reader) ([]glyph, error) {
func harfbuzzTextPath(ppem fixed.Int26_6, font *HarfbuzzFont, str text.Layout) clip.PathSpec {
var lastPos f32.Point
var builder clip.Path
ops := new(op.Ops)
var x fixed.Int26_6
builder.Begin(ops)
rune := 0
ppemInt := ppem.Round()
ppem16 := uint16(ppemInt)
scaleFactor := float32(ppemInt) / float32(font.font.Upem())
for _, g := range str.Glyphs {
advance := g.XAdvance
outline, ok := font.font.GlyphData(g.ID, ppem16, ppem16).(fonts.GlyphOutline)
if !ok {
continue
}
// Move to glyph position.
pos := f32.Point{
X: float32(x)/64 - float32(g.XOffset)/64,
Y: -float32(g.YOffset) / 64,
}
builder.Move(pos.Sub(lastPos))
lastPos = pos
var lastArg f32.Point
// Convert sfnt.Segments to relative segments.
for _, fseg := range outline.Segments {
nargs := 1
switch fseg.Op {
case fonts.SegmentOpQuadTo:
nargs = 2
case fonts.SegmentOpCubeTo:
nargs = 3
}
var args [3]f32.Point
for i := 0; i < nargs; i++ {
a := f32.Point{
X: fseg.Args[i].X * scaleFactor,
Y: -fseg.Args[i].Y * scaleFactor,
}
args[i] = a.Sub(lastArg)
if i == nargs-1 {
lastArg = a
}
}
switch fseg.Op {
case fonts.SegmentOpMoveTo:
builder.Move(args[0])
case fonts.SegmentOpLineTo:
builder.Line(args[0])
case fonts.SegmentOpQuadTo:
builder.Quad(args[0], args[1])
case fonts.SegmentOpCubeTo:
builder.Cube(args[0], args[1], args[2])
default:
panic("unsupported segment op")
}
}
lastPos = lastPos.Add(lastArg)
x += advance
rune++
}
return builder.End()
}
func readGlyphs(r io.RuneReader) ([]glyph, error) {
var glyphs []glyph
buf := make([]byte, 0, 1024)
for {
n, err := r.Read(buf[len(buf):cap(buf)])
buf = buf[:len(buf)+n]
lim := len(buf)
// Read full runes if possible.
if err != io.EOF {
lim -= utf8.UTFMax - 1
}
i := 0
for i < lim {
c, s := utf8.DecodeRune(buf[i:])
i += s
glyphs = append(glyphs, glyph{Rune: c})
}
n = copy(buf, buf[i:])
buf = buf[:n]
c, _, err := r.ReadRune()
if err != nil {
if err == io.EOF {
break
}
return nil, err
}
glyphs = append(glyphs, glyph{Rune: c})
}
return glyphs, nil
}
+6 -71
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@@ -16,80 +16,15 @@ import (
"golang.org/x/image/math/fixed"
"gioui.org/internal/ops"
"gioui.org/io/system"
"gioui.org/op"
"gioui.org/op/clip"
"gioui.org/text"
)
func TestCollectionAsFace(t *testing.T) {
// Load two fonts with disjoint glyphs. Font 1 supports only '1', and font 2 supports only '2'.
// The fonts have different glyphs for the replacement character (".notdef").
font1, ttf1, err := decompressFontFile("testdata/only1.ttf.gz")
if err != nil {
t.Fatalf("failed to load test font 1: %v", err)
}
font2, ttf2, err := decompressFontFile("testdata/only2.ttf.gz")
if err != nil {
t.Fatalf("failed to load test font 2: %v", err)
}
otc := mergeFonts(ttf1, ttf2)
coll, err := ParseCollection(otc)
if err != nil {
t.Fatalf("failed to load merged test font: %v", err)
}
shapeValid1, err := shapeRune(font1, '1')
if err != nil {
t.Fatalf("failed shaping valid glyph with font 1: %v", err)
}
shapeInvalid1, err := shapeRune(font1, '3')
if err != nil {
t.Fatalf("failed shaping invalid glyph with font 1: %v", err)
}
shapeValid2, err := shapeRune(font2, '2')
if err != nil {
t.Fatalf("failed shaping valid glyph with font 2: %v", err)
}
shapeInvalid2, err := shapeRune(font2, '3') // Same invalid glyph as before to test replacement glyph difference
if err != nil {
t.Fatalf("failed shaping invalid glyph with font 2: %v", err)
}
shapeCollValid1, err := shapeRune(coll, '1')
if err != nil {
t.Fatalf("failed shaping valid glyph for font 1 with font collection: %v", err)
}
shapeCollValid2, err := shapeRune(coll, '2')
if err != nil {
t.Fatalf("failed shaping valid glyph for font 2 with font collection: %v", err)
}
shapeCollInvalid, err := shapeRune(coll, '4') // Different invalid glyph to confirm use of the replacement glyph
if err != nil {
t.Fatalf("failed shaping invalid glyph with font collection: %v", err)
}
// All shapes from the original fonts should be distinct because the glyphs are distinct, including the replacement
// glyphs.
distinctShapes := []clip.PathSpec{shapeValid1, shapeInvalid1, shapeValid2, shapeInvalid2}
for i := 0; i < len(distinctShapes); i++ {
for j := i + 1; j < len(distinctShapes); j++ {
if areShapesEqual(distinctShapes[i], distinctShapes[j]) {
t.Errorf("font shapes %d and %d are not distinct", i, j)
}
}
}
// Font collections should render glyphs from the first supported font. Replacement glyphs should come from the
// first font in all cases.
if !areShapesEqual(shapeCollValid1, shapeValid1) {
t.Error("font collection did not render the valid glyph using font 1")
}
if !areShapesEqual(shapeCollValid2, shapeValid2) {
t.Error("font collection did not render the valid glyph using font 2")
}
if !areShapesEqual(shapeCollInvalid, shapeInvalid1) {
t.Error("font collection did not render the invalid glyph using the replacement from font 1")
}
var english = system.Locale{
Language: "EN",
Direction: system.LTR,
}
func TestEmptyString(t *testing.T) {
@@ -100,7 +35,7 @@ func TestEmptyString(t *testing.T) {
ppem := fixed.I(200)
lines, err := face.Layout(ppem, 2000, strings.NewReader(""))
lines, err := face.Layout(ppem, 2000, english, strings.NewReader(""))
if err != nil {
t.Fatal(err)
}
@@ -176,7 +111,7 @@ func mergeFonts(ttf1, ttf2 []byte) []byte {
// shapeRune uses a given Face to shape exactly one rune at a fixed size, then returns the resulting shape data.
func shapeRune(f text.Face, r rune) (clip.PathSpec, error) {
ppem := fixed.I(200)
lines, err := f.Layout(ppem, 2000, strings.NewReader(string(r)))
lines, err := f.Layout(ppem, 2000, english, strings.NewReader(string(r)))
if err != nil {
return clip.PathSpec{}, err
}
+10 -1
View File
@@ -9,8 +9,17 @@ require (
)
require (
eliasnaur.com/font v0.0.0-20220124212145-832bb8fc08c3
gioui.org/cpu v0.0.0-20210817075930-8d6a761490d2
gioui.org/shader v1.0.6
github.com/benoitkugler/textlayout v0.0.5
github.com/go-text/typesetting v0.0.0-20220112121102-58fe93c84506
github.com/npillmayer/uax v0.2.0
)
require golang.org/x/text v0.3.6 // indirect
require (
github.com/davecgh/go-spew v1.1.1 // indirect
github.com/jolestar/go-commons-pool v2.0.0+incompatible // indirect
github.com/npillmayer/schuko v0.2.0-alpha.3 // indirect
golang.org/x/text v0.3.6 // indirect
)
+606
View File
@@ -1,14 +1,620 @@
cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
cloud.google.com/go v0.34.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
cloud.google.com/go v0.38.0/go.mod h1:990N+gfupTy94rShfmMCWGDn0LpTmnzTp2qbd1dvSRU=
cloud.google.com/go v0.44.1/go.mod h1:iSa0KzasP4Uvy3f1mN/7PiObzGgflwredwwASm/v6AU=
cloud.google.com/go v0.44.2/go.mod h1:60680Gw3Yr4ikxnPRS/oxxkBccT6SA1yMk63TGekxKY=
cloud.google.com/go v0.45.1/go.mod h1:RpBamKRgapWJb87xiFSdk4g1CME7QZg3uwTez+TSTjc=
cloud.google.com/go v0.46.3/go.mod h1:a6bKKbmY7er1mI7TEI4lsAkts/mkhTSZK8w33B4RAg0=
cloud.google.com/go/bigquery v1.0.1/go.mod h1:i/xbL2UlR5RvWAURpBYZTtm/cXjCha9lbfbpx4poX+o=
cloud.google.com/go/datastore v1.0.0/go.mod h1:LXYbyblFSglQ5pkeyhO+Qmw7ukd3C+pD7TKLgZqpHYE=
cloud.google.com/go/firestore v1.1.0/go.mod h1:ulACoGHTpvq5r8rxGJ4ddJZBZqakUQqClKRT5SZwBmk=
cloud.google.com/go/pubsub v1.0.1/go.mod h1:R0Gpsv3s54REJCy4fxDixWD93lHJMoZTyQ2kNxGRt3I=
cloud.google.com/go/storage v1.0.0/go.mod h1:IhtSnM/ZTZV8YYJWCY8RULGVqBDmpoyjwiyrjsg+URw=
dmitri.shuralyov.com/gpu/mtl v0.0.0-20190408044501-666a987793e9/go.mod h1:H6x//7gZCb22OMCxBHrMx7a5I7Hp++hsVxbQ4BYO7hU=
dmitri.shuralyov.com/gpu/mtl v0.0.0-20201218220906-28db891af037/go.mod h1:H6x//7gZCb22OMCxBHrMx7a5I7Hp++hsVxbQ4BYO7hU=
eliasnaur.com/font v0.0.0-20220124212145-832bb8fc08c3 h1:djFprmHZgrSepsHAIRMp5UJn3PzsoTg9drI+BDmif5Q=
eliasnaur.com/font v0.0.0-20220124212145-832bb8fc08c3/go.mod h1:OYVuxibdk9OSLX8vAqydtRPP87PyTFcT9uH3MlEGBQA=
gioui.org/cpu v0.0.0-20210808092351-bfe733dd3334/go.mod h1:A8M0Cn5o+vY5LTMlnRoK3O5kG+rH0kWfJjeKd9QpBmQ=
gioui.org/cpu v0.0.0-20210817075930-8d6a761490d2 h1:AGDDxsJE1RpcXTAxPG2B4jrwVUJGFDjINIPi1jtO6pc=
gioui.org/cpu v0.0.0-20210817075930-8d6a761490d2/go.mod h1:A8M0Cn5o+vY5LTMlnRoK3O5kG+rH0kWfJjeKd9QpBmQ=
gioui.org/shader v1.0.6 h1:cvZmU+eODFR2545X+/8XucgZdTtEjR3QWW6W65b0q5Y=
gioui.org/shader v1.0.6/go.mod h1:mWdiME581d/kV7/iEhLmUgUK5iZ09XR5XpduXzbePVM=
github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
github.com/BurntSushi/xgb v0.0.0-20160522181843-27f122750802/go.mod h1:IVnqGOEym/WlBOVXweHU+Q+/VP0lqqI8lqeDx9IjBqo=
github.com/Knetic/govaluate v3.0.1-0.20171022003610-9aa49832a739+incompatible/go.mod h1:r7JcOSlj0wfOMncg0iLm8Leh48TZaKVeNIfJntJ2wa0=
github.com/OneOfOne/xxhash v1.2.2/go.mod h1:HSdplMjZKSmBqAxg5vPj2TmRDmfkzw+cTzAElWljhcU=
github.com/Shopify/sarama v1.19.0/go.mod h1:FVkBWblsNy7DGZRfXLU0O9RCGt5g3g3yEuWXgklEdEo=
github.com/Shopify/toxiproxy v2.1.4+incompatible/go.mod h1:OXgGpZ6Cli1/URJOF1DMxUHB2q5Ap20/P/eIdh4G0pI=
github.com/VividCortex/gohistogram v1.0.0/go.mod h1:Pf5mBqqDxYaXu3hDrrU+w6nw50o/4+TcAqDqk/vUH7g=
github.com/afex/hystrix-go v0.0.0-20180502004556-fa1af6a1f4f5/go.mod h1:SkGFH1ia65gfNATL8TAiHDNxPzPdmEL5uirI2Uyuz6c=
github.com/alecthomas/template v0.0.0-20160405071501-a0175ee3bccc/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=
github.com/alecthomas/template v0.0.0-20190718012654-fb15b899a751/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=
github.com/alecthomas/units v0.0.0-20151022065526-2efee857e7cf/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0=
github.com/alecthomas/units v0.0.0-20190717042225-c3de453c63f4/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0=
github.com/apache/thrift v0.12.0/go.mod h1:cp2SuWMxlEZw2r+iP2GNCdIi4C1qmUzdZFSVb+bacwQ=
github.com/apache/thrift v0.13.0/go.mod h1:cp2SuWMxlEZw2r+iP2GNCdIi4C1qmUzdZFSVb+bacwQ=
github.com/armon/circbuf v0.0.0-20150827004946-bbbad097214e/go.mod h1:3U/XgcO3hCbHZ8TKRvWD2dDTCfh9M9ya+I9JpbB7O8o=
github.com/armon/go-metrics v0.0.0-20180917152333-f0300d1749da/go.mod h1:Q73ZrmVTwzkszR9V5SSuryQ31EELlFMUz1kKyl939pY=
github.com/armon/go-radix v0.0.0-20180808171621-7fddfc383310/go.mod h1:ufUuZ+zHj4x4TnLV4JWEpy2hxWSpsRywHrMgIH9cCH8=
github.com/aryann/difflib v0.0.0-20170710044230-e206f873d14a/go.mod h1:DAHtR1m6lCRdSC2Tm3DSWRPvIPr6xNKyeHdqDQSQT+A=
github.com/aws/aws-lambda-go v1.13.3/go.mod h1:4UKl9IzQMoD+QF79YdCuzCwp8VbmG4VAQwij/eHl5CU=
github.com/aws/aws-sdk-go v1.27.0/go.mod h1:KmX6BPdI08NWTb3/sm4ZGu5ShLoqVDhKgpiN924inxo=
github.com/aws/aws-sdk-go-v2 v0.18.0/go.mod h1:JWVYvqSMppoMJC0x5wdwiImzgXTI9FuZwxzkQq9wy+g=
github.com/aws/aws-sdk-go-v2 v1.9.2/go.mod h1:cK/D0BBs0b/oWPIcX/Z/obahJK1TT7IPVjy53i/mX/4=
github.com/aws/aws-sdk-go-v2/config v1.8.3/go.mod h1:4AEiLtAb8kLs7vgw2ZV3p2VZ1+hBavOc84hqxVNpCyw=
github.com/aws/aws-sdk-go-v2/credentials v1.4.3/go.mod h1:FNNC6nQZQUuyhq5aE5c7ata8o9e4ECGmS4lAXC7o1mQ=
github.com/aws/aws-sdk-go-v2/feature/ec2/imds v1.6.0/go.mod h1:gqlclDEZp4aqJOancXK6TN24aKhT0W0Ae9MHk3wzTMM=
github.com/aws/aws-sdk-go-v2/internal/ini v1.2.4/go.mod h1:ZcBrrI3zBKlhGFNYWvju0I3TR93I7YIgAfy82Fh4lcQ=
github.com/aws/aws-sdk-go-v2/service/appconfig v1.4.2/go.mod h1:FZ3HkCe+b10uFZZkFdvf98LHW21k49W8o8J366lqVKY=
github.com/aws/aws-sdk-go-v2/service/internal/presigned-url v1.3.2/go.mod h1:72HRZDLMtmVQiLG2tLfQcaWLCssELvGl+Zf2WVxMmR8=
github.com/aws/aws-sdk-go-v2/service/sso v1.4.2/go.mod h1:NBvT9R1MEF+Ud6ApJKM0G+IkPchKS7p7c2YPKwHmBOk=
github.com/aws/aws-sdk-go-v2/service/sts v1.7.2/go.mod h1:8EzeIqfWt2wWT4rJVu3f21TfrhJ8AEMzVybRNSb/b4g=
github.com/aws/smithy-go v1.8.0/go.mod h1:SObp3lf9smib00L/v3U2eAKG8FyQ7iLrJnQiAmR5n+E=
github.com/benoitkugler/pstokenizer v1.0.0/go.mod h1:l1G2Voirz0q/jj0TQfabNxVsa8HZXh/VMxFSRALWTiE=
github.com/benoitkugler/textlayout v0.0.5 h1:ZjMg+//sxYAxIhdirTaDBNnAfhxHm9D5q4WHNYlR888=
github.com/benoitkugler/textlayout v0.0.5/go.mod h1:puH4v13Uz7uIhIH0XMk5jgc8U3MXcn5r3VlV9K8n0D8=
github.com/beorn7/perks v0.0.0-20180321164747-3a771d992973/go.mod h1:Dwedo/Wpr24TaqPxmxbtue+5NUziq4I4S80YR8gNf3Q=
github.com/beorn7/perks v1.0.0/go.mod h1:KWe93zE9D1o94FZ5RNwFwVgaQK1VOXiVxmqh+CedLV8=
github.com/beorn7/perks v1.0.1/go.mod h1:G2ZrVWU2WbWT9wwq4/hrbKbnv/1ERSJQ0ibhJ6rlkpw=
github.com/bgentry/speakeasy v0.1.0/go.mod h1:+zsyZBPWlz7T6j88CTgSN5bM796AkVf0kBD4zp0CCIs=
github.com/bketelsen/crypt v0.0.3-0.20200106085610-5cbc8cc4026c/go.mod h1:MKsuJmJgSg28kpZDP6UIiPt0e0Oz0kqKNGyRaWEPv84=
github.com/casbin/casbin/v2 v2.1.2/go.mod h1:YcPU1XXisHhLzuxH9coDNf2FbKpjGlbCg3n9yuLkIJQ=
github.com/cenkalti/backoff v2.2.1+incompatible/go.mod h1:90ReRw6GdpyfrHakVjL/QHaoyV4aDUVVkXQJJJ3NXXM=
github.com/census-instrumentation/opencensus-proto v0.2.1/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU=
github.com/cespare/xxhash v1.1.0/go.mod h1:XrSqR1VqqWfGrhpAt58auRo0WTKS1nRRg3ghfAqPWnc=
github.com/cespare/xxhash/v2 v2.1.1/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
github.com/clbanning/x2j v0.0.0-20191024224557-825249438eec/go.mod h1:jMjuTZXRI4dUb/I5gc9Hdhagfvm9+RyrPryS/auMzxE=
github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw=
github.com/cloudfoundry/jibber_jabber v0.0.0-20151120183258-bcc4c8345a21/go.mod h1:po7NpZ/QiTKzBKyrsEAxwnTamCoh8uDk/egRpQ7siIc=
github.com/cockroachdb/datadriven v0.0.0-20190809214429-80d97fb3cbaa/go.mod h1:zn76sxSg3SzpJ0PPJaLDCu+Bu0Lg3sKTORVIj19EIF8=
github.com/codahale/hdrhistogram v0.0.0-20161010025455-3a0bb77429bd/go.mod h1:sE/e/2PUdi/liOCUjSTXgM1o87ZssimdTWN964YiIeI=
github.com/coreos/bbolt v1.3.2/go.mod h1:iRUV2dpdMOn7Bo10OQBFzIJO9kkE559Wcmn+qkEiiKk=
github.com/coreos/etcd v3.3.13+incompatible/go.mod h1:uF7uidLiAD3TWHmW31ZFd/JWoc32PjwdhPthX9715RE=
github.com/coreos/go-semver v0.2.0/go.mod h1:nnelYz7RCh+5ahJtPPxZlU+153eP4D4r3EedlOD2RNk=
github.com/coreos/go-semver v0.3.0/go.mod h1:nnelYz7RCh+5ahJtPPxZlU+153eP4D4r3EedlOD2RNk=
github.com/coreos/go-systemd v0.0.0-20180511133405-39ca1b05acc7/go.mod h1:F5haX7vjVVG0kc13fIWeqUViNPyEJxv/OmvnBo0Yme4=
github.com/coreos/go-systemd v0.0.0-20190321100706-95778dfbb74e/go.mod h1:F5haX7vjVVG0kc13fIWeqUViNPyEJxv/OmvnBo0Yme4=
github.com/coreos/pkg v0.0.0-20160727233714-3ac0863d7acf/go.mod h1:E3G3o1h8I7cfcXa63jLwjI0eiQQMgzzUDFVpN/nH/eA=
github.com/coreos/pkg v0.0.0-20180928190104-399ea9e2e55f/go.mod h1:E3G3o1h8I7cfcXa63jLwjI0eiQQMgzzUDFVpN/nH/eA=
github.com/cpuguy83/go-md2man/v2 v2.0.0-20190314233015-f79a8a8ca69d/go.mod h1:maD7wRr/U5Z6m/iR4s+kqSMx2CaBsrgA7czyZG/E6dU=
github.com/creack/pty v1.1.7/go.mod h1:lj5s0c3V2DBrqTV7llrYr5NG6My20zk30Fl46Y7DoTY=
github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
github.com/dgrijalva/jwt-go v3.2.0+incompatible/go.mod h1:E3ru+11k8xSBh+hMPgOLZmtrrCbhqsmaPHjLKYnJCaQ=
github.com/dgryski/go-sip13 v0.0.0-20181026042036-e10d5fee7954/go.mod h1:vAd38F8PWV+bWy6jNmig1y/TA+kYO4g3RSRF0IAv0no=
github.com/dustin/go-humanize v0.0.0-20171111073723-bb3d318650d4/go.mod h1:HtrtbFcZ19U5GC7JDqmcUSB87Iq5E25KnS6fMYU6eOk=
github.com/eapache/go-resiliency v1.1.0/go.mod h1:kFI+JgMyC7bLPUVY133qvEBtVayf5mFgVsvEsIPBvNs=
github.com/eapache/go-xerial-snappy v0.0.0-20180814174437-776d5712da21/go.mod h1:+020luEh2TKB4/GOp8oxxtq0Daoen/Cii55CzbTV6DU=
github.com/eapache/queue v1.1.0/go.mod h1:6eCeP0CKFpHLu8blIFXhExK/dRa7WDZfr6jVFPTqq+I=
github.com/edsrzf/mmap-go v1.0.0/go.mod h1:YO35OhQPt3KJa3ryjFM5Bs14WD66h8eGKpfaBNrHW5M=
github.com/emirpasic/gods v1.12.0/go.mod h1:YfzfFFoVP/catgzJb4IKIqXjX78Ha8FMSDh3ymbK86o=
github.com/envoyproxy/go-control-plane v0.6.9/go.mod h1:SBwIajubJHhxtWwsL9s8ss4safvEdbitLhGGK48rN6g=
github.com/envoyproxy/go-control-plane v0.9.1-0.20191026205805-5f8ba28d4473/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4=
github.com/envoyproxy/protoc-gen-validate v0.1.0/go.mod h1:iSmxcyjqTsJpI2R4NaDN7+kN2VEUnK/pcBlmesArF7c=
github.com/fatih/color v1.7.0/go.mod h1:Zm6kSWBoL9eyXnKyktHP6abPY2pDugNf5KwzbycvMj4=
github.com/fatih/structs v1.1.0/go.mod h1:9NiDSp5zOcgEDl+j00MP/WkGVPOlPRLejGD8Ga6PJ7M=
github.com/fortytw2/leaktest v1.3.0 h1:u8491cBMTQ8ft8aeV+adlcytMZylmA5nnwwkRZjI8vw=
github.com/fortytw2/leaktest v1.3.0/go.mod h1:jDsjWgpAGjm2CA7WthBh/CdZYEPF31XHquHwclZch5g=
github.com/franela/goblin v0.0.0-20200105215937-c9ffbefa60db/go.mod h1:7dvUGVsVBjqR7JHJk0brhHOZYGmfBYOrK0ZhYMEtBr4=
github.com/franela/goreq v0.0.0-20171204163338-bcd34c9993f8/go.mod h1:ZhphrRTfi2rbfLwlschooIH4+wKKDR4Pdxhh+TRoA20=
github.com/fsnotify/fsnotify v1.4.7/go.mod h1:jwhsz4b93w/PPRr/qN1Yymfu8t87LnFCMoQvtojpjFo=
github.com/fsnotify/fsnotify v1.4.9/go.mod h1:znqG4EE+3YCdAaPaxE2ZRY/06pZUdp0tY4IgpuI1SZQ=
github.com/ghodss/yaml v1.0.0/go.mod h1:4dBDuWmgqj2HViK6kFavaiC9ZROes6MMH2rRYeMEF04=
github.com/go-gl/glfw v0.0.0-20190409004039-e6da0acd62b1/go.mod h1:vR7hzQXu2zJy9AVAgeJqvqgH9Q5CA+iKCZ2gyEVpxRU=
github.com/go-gl/glfw/v3.3/glfw v0.0.0-20200222043503-6f7a984d4dc4/go.mod h1:tQ2UAYgL5IevRw8kRxooKSPJfGvJ9fJQFa0TUsXzTg8=
github.com/go-kit/kit v0.8.0/go.mod h1:xBxKIO96dXMWWy0MnWVtmwkA9/13aqxPnvrjFYMA2as=
github.com/go-kit/kit v0.9.0/go.mod h1:xBxKIO96dXMWWy0MnWVtmwkA9/13aqxPnvrjFYMA2as=
github.com/go-kit/kit v0.10.0/go.mod h1:xUsJbQ/Fp4kEt7AFgCuvyX4a71u8h9jB8tj/ORgOZ7o=
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github.com/google/uuid v1.0.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
github.com/googleapis/gax-go/v2 v2.0.4/go.mod h1:0Wqv26UfaUD9n4G6kQubkQ+KchISgw+vpHVxEJEs9eg=
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github.com/hashicorp/go-retryablehttp v0.5.4/go.mod h1:9B5zBasrRhHXnJnui7y6sL7es7NDiJgTc6Er0maI1Xs=
github.com/hashicorp/go-rootcerts v1.0.0/go.mod h1:K6zTfqpRlCUIjkwsN4Z+hiSfzSTQa6eBIzfwKfwNnHU=
github.com/hashicorp/go-rootcerts v1.0.1/go.mod h1:pqUvnprVnM5bf7AOirdbb01K4ccR319Vf4pU3K5EGc8=
github.com/hashicorp/go-sockaddr v1.0.0/go.mod h1:7Xibr9yA9JjQq1JpNB2Vw7kxv8xerXegt+ozgdvDeDU=
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github.com/hashicorp/go-syslog v1.0.0/go.mod h1:qPfqrKkXGihmCqbJM2mZgkZGvKG1dFdvsLplgctolz4=
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github.com/hashicorp/go-version v1.1.0/go.mod h1:fltr4n8CU8Ke44wwGCBoEymUuxUHl09ZGVZPK5anwXA=
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github.com/hashicorp/go.net v0.0.1/go.mod h1:hjKkEWcCURg++eb33jQU7oqQcI9XDCnUzHA0oac0k90=
github.com/hashicorp/golang-lru v0.5.0/go.mod h1:/m3WP610KZHVQ1SGc6re/UDhFvYD7pJ4Ao+sR/qLZy8=
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github.com/hashicorp/hcl v1.0.0/go.mod h1:E5yfLk+7swimpb2L/Alb/PJmXilQ/rhwaUYs4T20WEQ=
github.com/hashicorp/logutils v1.0.0/go.mod h1:QIAnNjmIWmVIIkWDTG1z5v++HQmx9WQRO+LraFDTW64=
github.com/hashicorp/mdns v1.0.0/go.mod h1:tL+uN++7HEJ6SQLQ2/p+z2pH24WQKWjBPkE0mNTz8vQ=
github.com/hashicorp/memberlist v0.1.3/go.mod h1:ajVTdAv/9Im8oMAAj5G31PhhMCZJV2pPBoIllUwCN7I=
github.com/hashicorp/serf v0.8.2/go.mod h1:6hOLApaqBFA1NXqRQAsxw9QxuDEvNxSQRwA/JwenrHc=
github.com/hashicorp/vault/api v1.0.4/go.mod h1:gDcqh3WGcR1cpF5AJz/B1UFheUEneMoIospckxBxk6Q=
github.com/hashicorp/vault/sdk v0.1.13/go.mod h1:B+hVj7TpuQY1Y/GPbCpffmgd+tSEwvhkWnjtSYCaS2M=
github.com/hashicorp/yamux v0.0.0-20180604194846-3520598351bb/go.mod h1:+NfK9FKeTrX5uv1uIXGdwYDTeHna2qgaIlx54MXqjAM=
github.com/hashicorp/yamux v0.0.0-20181012175058-2f1d1f20f75d/go.mod h1:+NfK9FKeTrX5uv1uIXGdwYDTeHna2qgaIlx54MXqjAM=
github.com/hpcloud/tail v1.0.0/go.mod h1:ab1qPbhIpdTxEkNHXyeSf5vhxWSCs/tWer42PpOxQnU=
github.com/hudl/fargo v1.3.0/go.mod h1:y3CKSmjA+wD2gak7sUSXTAoopbhU08POFhmITJgmKTg=
github.com/inconshreveable/mousetrap v1.0.0/go.mod h1:PxqpIevigyE2G7u3NXJIT2ANytuPF1OarO4DADm73n8=
github.com/influxdata/influxdb1-client v0.0.0-20191209144304-8bf82d3c094d/go.mod h1:qj24IKcXYK6Iy9ceXlo3Tc+vtHo9lIhSX5JddghvEPo=
github.com/jmespath/go-jmespath v0.0.0-20180206201540-c2b33e8439af/go.mod h1:Nht3zPeWKUH0NzdCt2Blrr5ys8VGpn0CEB0cQHVjt7k=
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github.com/jmespath/go-jmespath/internal/testify v1.5.1/go.mod h1:L3OGu8Wl2/fWfCI6z80xFu9LTZmf1ZRjMHUOPmWr69U=
github.com/joho/godotenv v1.3.0/go.mod h1:7hK45KPybAkOC6peb+G5yklZfMxEjkZhHbwpqxOKXbg=
github.com/jolestar/go-commons-pool v2.0.0+incompatible h1:uHn5uRKsLLQSf9f1J5QPY2xREWx/YH+e4bIIXcAuAaE=
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github.com/jonboulle/clockwork v0.1.0/go.mod h1:Ii8DK3G1RaLaWxj9trq07+26W01tbo22gdxWY5EU2bo=
github.com/json-iterator/go v1.1.6/go.mod h1:+SdeFBvtyEkXs7REEP0seUULqWtbJapLOCVDaaPEHmU=
github.com/json-iterator/go v1.1.7/go.mod h1:KdQUCv79m/52Kvf8AW2vK1V8akMuk1QjK/uOdHXbAo4=
github.com/json-iterator/go v1.1.8/go.mod h1:KdQUCv79m/52Kvf8AW2vK1V8akMuk1QjK/uOdHXbAo4=
github.com/jstemmer/go-junit-report v0.0.0-20190106144839-af01ea7f8024/go.mod h1:6v2b51hI/fHJwM22ozAgKL4VKDeJcHhJFhtBdhmNjmU=
github.com/jtolds/gls v4.20.0+incompatible/go.mod h1:QJZ7F/aHp+rZTRtaJ1ow/lLfFfVYBRgL+9YlvaHOwJU=
github.com/julienschmidt/httprouter v1.2.0/go.mod h1:SYymIcj16QtmaHHD7aYtjjsJG7VTCxuUUipMqKk8s4w=
github.com/kisielk/errcheck v1.1.0/go.mod h1:EZBBE59ingxPouuu3KfxchcWSUPOHkagtvWXihfKN4Q=
github.com/kisielk/gotool v1.0.0/go.mod h1:XhKaO+MFFWcvkIS/tQcRk01m1F5IRFswLeQ+oQHNcck=
github.com/knadh/koanf v1.3.2/go.mod h1:HZ7HMLIGbrWJUfgtEzfHvzR/rX+eIqQlBNPRr4Vt42s=
github.com/konsorten/go-windows-terminal-sequences v1.0.1/go.mod h1:T0+1ngSBFLxvqU3pZ+m/2kptfBszLMUkC4ZK/EgS/cQ=
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github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ=
github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI=
github.com/lightstep/lightstep-tracer-common/golang/gogo v0.0.0-20190605223551-bc2310a04743/go.mod h1:qklhhLq1aX+mtWk9cPHPzaBjWImj5ULL6C7HFJtXQMM=
github.com/lightstep/lightstep-tracer-go v0.18.1/go.mod h1:jlF1pusYV4pidLvZ+XD0UBX0ZE6WURAspgAczcDHrL4=
github.com/lyft/protoc-gen-validate v0.0.13/go.mod h1:XbGvPuh87YZc5TdIa2/I4pLk0QoUACkjt2znoq26NVQ=
github.com/magiconair/properties v1.8.1/go.mod h1:PppfXfuXeibc/6YijjN8zIbojt8czPbwD3XqdrwzmxQ=
github.com/mattn/go-colorable v0.0.9/go.mod h1:9vuHe8Xs5qXnSaW/c/ABM9alt+Vo+STaOChaDxuIBZU=
github.com/mattn/go-isatty v0.0.3/go.mod h1:M+lRXTBqGeGNdLjl/ufCoiOlB5xdOkqRJdNxMWT7Zi4=
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github.com/mattn/go-runewidth v0.0.2/go.mod h1:LwmH8dsx7+W8Uxz3IHJYH5QSwggIsqBzpuz5H//U1FU=
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github.com/stretchr/testify v1.7.0/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
github.com/subosito/gotenv v1.2.0/go.mod h1:N0PQaV/YGNqwC0u51sEeR/aUtSLEXKX9iv69rRypqCw=
github.com/tmc/grpc-websocket-proxy v0.0.0-20170815181823-89b8d40f7ca8/go.mod h1:ncp9v5uamzpCO7NfCPTXjqaC+bZgJeR0sMTm6dMHP7U=
github.com/tmc/grpc-websocket-proxy v0.0.0-20190109142713-0ad062ec5ee5/go.mod h1:ncp9v5uamzpCO7NfCPTXjqaC+bZgJeR0sMTm6dMHP7U=
github.com/urfave/cli v1.20.0/go.mod h1:70zkFmudgCuE/ngEzBv17Jvp/497gISqfk5gWijbERA=
github.com/urfave/cli v1.22.1/go.mod h1:Gos4lmkARVdJ6EkW0WaNv/tZAAMe9V7XWyB60NtXRu0=
github.com/xiang90/probing v0.0.0-20190116061207-43a291ad63a2/go.mod h1:UETIi67q53MR2AWcXfiuqkDkRtnGDLqkBTpCHuJHxtU=
github.com/yuin/goldmark v1.2.1/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
go.etcd.io/bbolt v1.3.2/go.mod h1:IbVyRI1SCnLcuJnV2u8VeU0CEYM7e686BmAb1XKL+uU=
go.etcd.io/bbolt v1.3.3/go.mod h1:IbVyRI1SCnLcuJnV2u8VeU0CEYM7e686BmAb1XKL+uU=
go.etcd.io/etcd v0.0.0-20191023171146-3cf2f69b5738/go.mod h1:dnLIgRNXwCJa5e+c6mIZCrds/GIG4ncV9HhK5PX7jPg=
go.opencensus.io v0.20.1/go.mod h1:6WKK9ahsWS3RSO+PY9ZHZUfv2irvY6gN279GOPZjmmk=
go.opencensus.io v0.20.2/go.mod h1:6WKK9ahsWS3RSO+PY9ZHZUfv2irvY6gN279GOPZjmmk=
go.opencensus.io v0.21.0/go.mod h1:mSImk1erAIZhrmZN+AvHh14ztQfjbGwt4TtuofqLduU=
go.opencensus.io v0.22.0/go.mod h1:+kGneAE2xo2IficOXnaByMWTGM9T73dGwxeWcUqIpI8=
go.opencensus.io v0.22.2/go.mod h1:yxeiOL68Rb0Xd1ddK5vPZ/oVn4vY4Ynel7k9FzqtOIw=
go.opentelemetry.io/otel v0.20.0/go.mod h1:Y3ugLH2oa81t5QO+Lty+zXf8zC9L26ax4Nzoxm/dooo=
go.opentelemetry.io/otel/metric v0.20.0/go.mod h1:598I5tYlH1vzBjn+BTuhzTCSb/9debfNp6R3s7Pr1eU=
go.opentelemetry.io/otel/oteltest v0.20.0/go.mod h1:L7bgKf9ZB7qCwT9Up7i9/pn0PWIa9FqQ2IQ8LoxiGnw=
go.opentelemetry.io/otel/sdk v0.20.0/go.mod h1:g/IcepuwNsoiX5Byy2nNV0ySUF1em498m7hBWC279Yc=
go.opentelemetry.io/otel/trace v0.20.0/go.mod h1:6GjCW8zgDjwGHGa6GkyeB8+/5vjT16gUEi0Nf1iBdgw=
go.uber.org/atomic v1.3.2/go.mod h1:gD2HeocX3+yG+ygLZcrzQJaqmWj9AIm7n08wl/qW/PE=
go.uber.org/atomic v1.4.0/go.mod h1:gD2HeocX3+yG+ygLZcrzQJaqmWj9AIm7n08wl/qW/PE=
go.uber.org/atomic v1.5.0/go.mod h1:sABNBOSYdrvTF6hTgEIbc7YasKWGhgEQZyfxyTvoXHQ=
go.uber.org/atomic v1.6.0/go.mod h1:sABNBOSYdrvTF6hTgEIbc7YasKWGhgEQZyfxyTvoXHQ=
go.uber.org/atomic v1.7.0/go.mod h1:fEN4uk6kAWBTFdckzkM89CLk9XfWZrxpCo0nPH17wJc=
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go.uber.org/multierr v1.3.0/go.mod h1:VgVr7evmIr6uPjLBxg28wmKNXyqE9akIJ5XnfpiKl+4=
go.uber.org/multierr v1.5.0/go.mod h1:FeouvMocqHpRaaGuG9EjoKcStLC43Zu/fmqdUMPcKYU=
go.uber.org/multierr v1.6.0/go.mod h1:cdWPpRnG4AhwMwsgIHip0KRBQjJy5kYEpYjJxpXp9iU=
go.uber.org/tools v0.0.0-20190618225709-2cfd321de3ee/go.mod h1:vJERXedbb3MVM5f9Ejo0C68/HhF8uaILCdgjnY+goOA=
go.uber.org/zap v1.10.0/go.mod h1:vwi/ZaCAaUcBkycHslxD9B2zi4UTXhF60s6SWpuDF0Q=
go.uber.org/zap v1.13.0/go.mod h1:zwrFLgMcdUuIBviXEYEH1YKNaOBnKXsx2IPda5bBwHM=
go.uber.org/zap v1.16.0/go.mod h1:MA8QOfq0BHJwdXa996Y4dYkAqRKB8/1K1QMMZVaNZjQ=
golang.org/x/crypto v0.0.0-20180904163835-0709b304e793/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
golang.org/x/crypto v0.0.0-20181029021203-45a5f77698d3/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
golang.org/x/crypto v0.0.0-20190510104115-cbcb75029529/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
golang.org/x/crypto v0.0.0-20190605123033-f99c8df09eb5/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
golang.org/x/crypto v0.0.0-20190701094942-4def268fd1a4/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
golang.org/x/exp v0.0.0-20190121172915-509febef88a4/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
golang.org/x/exp v0.0.0-20190306152737-a1d7652674e8/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
golang.org/x/exp v0.0.0-20190510132918-efd6b22b2522/go.mod h1:ZjyILWgesfNpC6sMxTJOJm9Kp84zZh5NQWvqDGG3Qr8=
golang.org/x/exp v0.0.0-20190731235908-ec7cb31e5a56/go.mod h1:JhuoJpWY28nO4Vef9tZUw9qufEGTyX1+7lmHxV5q5G4=
golang.org/x/exp v0.0.0-20190829153037-c13cbed26979/go.mod h1:86+5VVa7VpoJ4kLfm080zCjGlMRFzhUhsZKEZO7MGek=
golang.org/x/exp v0.0.0-20191030013958-a1ab85dbe136/go.mod h1:JXzH8nQsPlswgeRAPE3MuO9GYsAcnJvJ4vnMwN/5qkY=
golang.org/x/exp v0.0.0-20210722180016-6781d3edade3 h1:IlrJD2AM5p8JhN/wVny9jt6gJ9hut2VALhSeZ3SYluk=
golang.org/x/exp v0.0.0-20210722180016-6781d3edade3/go.mod h1:DVyR6MI7P4kEQgvZJSj1fQGrWIi2RzIrfYWycwheUAc=
golang.org/x/image v0.0.0-20190227222117-0694c2d4d067/go.mod h1:kZ7UVZpmo3dzQBMxlp+ypCbDeSB+sBbTgSJuh5dn5js=
golang.org/x/image v0.0.0-20190802002840-cff245a6509b/go.mod h1:FeLwcggjj3mMvU+oOTbSwawSJRM1uh48EjtB4UJZlP0=
golang.org/x/image v0.0.0-20210504121937-7319ad40d33e/go.mod h1:FeLwcggjj3mMvU+oOTbSwawSJRM1uh48EjtB4UJZlP0=
golang.org/x/image v0.0.0-20210607152325-775e3b0c77b9/go.mod h1:023OzeP/+EPmXeapQh35lcL3II3LrY8Ic+EFFKVhULM=
golang.org/x/image v0.0.0-20210628002857-a66eb6448b8d h1:RNPAfi2nHY7C2srAV8A49jpsYr0ADedCk1wq6fTMTvs=
golang.org/x/image v0.0.0-20210628002857-a66eb6448b8d/go.mod h1:023OzeP/+EPmXeapQh35lcL3II3LrY8Ic+EFFKVhULM=
golang.org/x/lint v0.0.0-20181026193005-c67002cb31c3/go.mod h1:UVdnD1Gm6xHRNCYTkRU2/jEulfH38KcIWyp/GAMgvoE=
golang.org/x/lint v0.0.0-20190227174305-5b3e6a55c961/go.mod h1:wehouNa3lNwaWXcvxsM5YxQ5yQlVC4a0KAMCusXpPoU=
golang.org/x/lint v0.0.0-20190301231843-5614ed5bae6f/go.mod h1:UVdnD1Gm6xHRNCYTkRU2/jEulfH38KcIWyp/GAMgvoE=
golang.org/x/lint v0.0.0-20190313153728-d0100b6bd8b3/go.mod h1:6SW0HCj/g11FgYtHlgUYUwCkIfeOF89ocIRzGO/8vkc=
golang.org/x/lint v0.0.0-20190409202823-959b441ac422/go.mod h1:6SW0HCj/g11FgYtHlgUYUwCkIfeOF89ocIRzGO/8vkc=
golang.org/x/lint v0.0.0-20190909230951-414d861bb4ac/go.mod h1:6SW0HCj/g11FgYtHlgUYUwCkIfeOF89ocIRzGO/8vkc=
golang.org/x/lint v0.0.0-20190930215403-16217165b5de/go.mod h1:6SW0HCj/g11FgYtHlgUYUwCkIfeOF89ocIRzGO/8vkc=
golang.org/x/mobile v0.0.0-20190312151609-d3739f865fa6/go.mod h1:z+o9i4GpDbdi3rU15maQ/Ox0txvL9dWGYEHz965HBQE=
golang.org/x/mobile v0.0.0-20190719004257-d2bd2a29d028/go.mod h1:E/iHnbuqvinMTCcRqshq8CkpyQDoeVncDDYHnLhea+o=
golang.org/x/mobile v0.0.0-20201217150744-e6ae53a27f4f/go.mod h1:skQtrUTUwhdJvXM/2KKJzY8pDgNr9I/FOMqDVRPBUS4=
golang.org/x/mod v0.0.0-20190513183733-4bf6d317e70e/go.mod h1:mXi4GBBbnImb6dmsKGUJ2LatrhH/nqhxcFungHvyanc=
golang.org/x/mod v0.1.0/go.mod h1:0QHyrYULN0/3qlju5TqG8bIK38QM8yzMo5ekMj3DlcY=
golang.org/x/mod v0.1.1-0.20191105210325-c90efee705ee/go.mod h1:QqPTAvyqsEbceGzBzNggFXnrqF1CaUcvgkdR5Ot7KZg=
golang.org/x/mod v0.1.1-0.20191209134235-331c550502dd/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
golang.org/x/mod v0.3.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
golang.org/x/mod v0.4.2/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
golang.org/x/net v0.0.0-20180724234803-3673e40ba225/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
golang.org/x/net v0.0.0-20180826012351-8a410e7b638d/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
golang.org/x/net v0.0.0-20180906233101-161cd47e91fd/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
golang.org/x/net v0.0.0-20181023162649-9b4f9f5ad519/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
golang.org/x/net v0.0.0-20181114220301-adae6a3d119a/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
golang.org/x/net v0.0.0-20181201002055-351d144fa1fc/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
golang.org/x/net v0.0.0-20181220203305-927f97764cc3/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
golang.org/x/net v0.0.0-20190108225652-1e06a53dbb7e/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
golang.org/x/net v0.0.0-20190125091013-d26f9f9a57f3/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
golang.org/x/net v0.0.0-20190213061140-3a22650c66bd/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
golang.org/x/net v0.0.0-20190311183353-d8887717615a/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
golang.org/x/net v0.0.0-20190501004415-9ce7a6920f09/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
golang.org/x/net v0.0.0-20190503192946-f4e77d36d62c/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
golang.org/x/net v0.0.0-20190603091049-60506f45cf65/go.mod h1:HSz+uSET+XFnRR8LxR5pz3Of3rY3CfYBVs4xY44aLks=
golang.org/x/net v0.0.0-20190613194153-d28f0bde5980/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
golang.org/x/net v0.0.0-20190813141303-74dc4d7220e7/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
golang.org/x/net v0.0.0-20200520004742-59133d7f0dd7/go.mod h1:qpuaurCH72eLCgpAm/N6yyVIVM9cpaDIP3A8BGJEC5A=
golang.org/x/net v0.0.0-20201021035429-f5854403a974/go.mod h1:sp8m0HH+o8qH0wwXwYZr8TS3Oi6o0r6Gce1SSxlDquU=
golang.org/x/net v0.0.0-20201202161906-c7110b5ffcbb/go.mod h1:sp8m0HH+o8qH0wwXwYZr8TS3Oi6o0r6Gce1SSxlDquU=
golang.org/x/net v0.0.0-20210510120150-4163338589ed/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
golang.org/x/oauth2 v0.0.0-20180821212333-d2e6202438be/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U=
golang.org/x/oauth2 v0.0.0-20190226205417-e64efc72b421/go.mod h1:gOpvHmFTYa4IltrdGE7lF6nIHvwfUNPOp7c8zoXwtLw=
golang.org/x/oauth2 v0.0.0-20190604053449-0f29369cfe45/go.mod h1:gOpvHmFTYa4IltrdGE7lF6nIHvwfUNPOp7c8zoXwtLw=
golang.org/x/sync v0.0.0-20180314180146-1d60e4601c6f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
golang.org/x/sync v0.0.0-20181108010431-42b317875d0f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
golang.org/x/sync v0.0.0-20181221193216-37e7f081c4d4/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
golang.org/x/sync v0.0.0-20190227155943-e225da77a7e6/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
golang.org/x/sync v0.0.0-20190911185100-cd5d95a43a6e/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
golang.org/x/sync v0.0.0-20201020160332-67f06af15bc9/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
golang.org/x/sys v0.0.0-20180823144017-11551d06cbcc/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
golang.org/x/sys v0.0.0-20180830151530-49385e6e1522/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
golang.org/x/sys v0.0.0-20180905080454-ebe1bf3edb33/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
golang.org/x/sys v0.0.0-20180909124046-d0be0721c37e/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
golang.org/x/sys v0.0.0-20181026203630-95b1ffbd15a5/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
golang.org/x/sys v0.0.0-20181107165924-66b7b1311ac8/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
golang.org/x/sys v0.0.0-20181116152217-5ac8a444bdc5/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
golang.org/x/sys v0.0.0-20181122145206-62eef0e2fa9b/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
golang.org/x/sys v0.0.0-20190129075346-302c3dd5f1cc/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
golang.org/x/sys v0.0.0-20190312061237-fead79001313/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20190403152447-81d4e9dc473e/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20190422165155-953cdadca894/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
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gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
gopkg.in/yaml.v3 v3.0.0-20200615113413-eeeca48fe776 h1:tQIYjPdBoyREyB9XMu+nnTclpTYkz2zFM+lzLJFO4gQ=
gopkg.in/yaml.v3 v3.0.0-20200615113413-eeeca48fe776/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
honnef.co/go/tools v0.0.0-20180728063816-88497007e858/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
honnef.co/go/tools v0.0.0-20190106161140-3f1c8253044a/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
honnef.co/go/tools v0.0.0-20190418001031-e561f6794a2a/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
honnef.co/go/tools v0.0.0-20190523083050-ea95bdfd59fc/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
honnef.co/go/tools v0.0.1-2019.2.3/go.mod h1:a3bituU0lyd329TUQxRnasdCoJDkEUEAqEt0JzvZhAg=
honnef.co/go/tools v0.1.3/go.mod h1:NgwopIslSNH47DimFoV78dnkksY2EFtX0ajyb3K/las=
rsc.io/binaryregexp v0.2.0/go.mod h1:qTv7/COck+e2FymRvadv62gMdZztPaShugOCi3I+8D8=
sigs.k8s.io/yaml v1.1.0/go.mod h1:UJmg0vDUVViEyp3mgSv9WPwZCDxu4rQW1olrI1uml+o=
sourcegraph.com/sourcegraph/appdash v0.0.0-20190731080439-ebfcffb1b5c0/go.mod h1:hI742Nqp5OhwiqlzhgfbWU4mW4yO10fP+LoT9WOswdU=
+10 -6
View File
@@ -3,6 +3,7 @@
package text
import (
"gioui.org/io/system"
"gioui.org/op/clip"
"golang.org/x/image/math/fixed"
)
@@ -27,17 +28,20 @@ type path struct {
next, prev *path
key pathKey
val clip.PathSpec
layout Layout
}
type layoutKey struct {
ppem fixed.Int26_6
maxWidth int
str string
locale system.Locale
}
type pathKey struct {
ppem fixed.Int26_6
str string
ppem fixed.Int26_6
str string
gidHash uint64
}
const maxSize = 1000
@@ -81,8 +85,8 @@ func (l *layoutCache) insert(lt *layoutElem) {
lt.next.prev = lt
}
func (c *pathCache) Get(k pathKey) (clip.PathSpec, bool) {
if v, ok := c.m[k]; ok {
func (c *pathCache) Get(k pathKey, l Layout) (clip.PathSpec, bool) {
if v, ok := c.m[k]; ok && l.equals(v.layout) {
c.remove(v)
c.insert(v)
return v.val, true
@@ -90,7 +94,7 @@ func (c *pathCache) Get(k pathKey) (clip.PathSpec, bool) {
return clip.PathSpec{}, false
}
func (c *pathCache) Put(k pathKey, v clip.PathSpec) {
func (c *pathCache) Put(k pathKey, l Layout, v clip.PathSpec) {
if c.m == nil {
c.m = make(map[pathKey]*path)
c.head = new(path)
@@ -98,7 +102,7 @@ func (c *pathCache) Put(k pathKey, v clip.PathSpec) {
c.head.prev = c.tail
c.tail.next = c.head
}
val := &path{key: k, val: v}
val := &path{key: k, val: v, layout: l}
c.m[k] = val
c.insert(val)
if len(c.m) > maxSize {
+2 -2
View File
@@ -24,10 +24,10 @@ func TestLayoutLRU(t *testing.T) {
func TestPathLRU(t *testing.T) {
c := new(pathCache)
put := func(i int) {
c.Put(pathKey{str: strconv.Itoa(i)}, clip.PathSpec{})
c.Put(pathKey{str: strconv.Itoa(i), gidHash: uint64(i)}, Layout{Runes: Range{Count: i}}, clip.PathSpec{})
}
get := func(i int) bool {
_, ok := c.Get(pathKey{str: strconv.Itoa(i)})
_, ok := c.Get(pathKey{str: strconv.Itoa(i), gidHash: uint64(i)}, Layout{Runes: Range{Count: i}})
return ok
}
testLRU(t, put, get)
+32 -12
View File
@@ -3,20 +3,23 @@
package text
import (
"encoding/binary"
"hash/maphash"
"io"
"strings"
"golang.org/x/image/math/fixed"
"gioui.org/io/system"
"gioui.org/op/clip"
)
// Shaper implements layout and shaping of text.
type Shaper interface {
// Layout a text according to a set of options.
Layout(font Font, size fixed.Int26_6, maxWidth int, txt io.Reader) ([]Line, error)
Layout(font Font, size fixed.Int26_6, maxWidth int, lc system.Locale, txt io.RuneReader) ([]Line, error)
// LayoutString is Layout for strings.
LayoutString(font Font, size fixed.Int26_6, maxWidth int, str string) []Line
LayoutString(font Font, size fixed.Int26_6, maxWidth int, lc system.Locale, str string) []Line
// Shape a line of text and return a clipping operation for its outline.
Shape(font Font, size fixed.Int26_6, layout Layout) clip.PathSpec
}
@@ -44,6 +47,7 @@ type faceCache struct {
face Face
layoutCache layoutCache
pathCache pathCache
seed maphash.Seed
}
func (c *Cache) lookup(font Font) *faceCache {
@@ -108,15 +112,15 @@ func NewCache(collection []FontFace) *Cache {
}
// Layout implements the Shaper interface.
func (c *Cache) Layout(font Font, size fixed.Int26_6, maxWidth int, txt io.Reader) ([]Line, error) {
func (c *Cache) Layout(font Font, size fixed.Int26_6, maxWidth int, lc system.Locale, txt io.RuneReader) ([]Line, error) {
cache := c.lookup(font)
return cache.face.Layout(size, maxWidth, txt)
return cache.face.Layout(size, maxWidth, lc, txt)
}
// LayoutString is a caching implementation of the Shaper interface.
func (c *Cache) LayoutString(font Font, size fixed.Int26_6, maxWidth int, str string) []Line {
func (c *Cache) LayoutString(font Font, size fixed.Int26_6, maxWidth int, lc system.Locale, str string) []Line {
cache := c.lookup(font)
return cache.layout(size, maxWidth, str)
return cache.layout(size, maxWidth, lc, str)
}
// Shape is a caching implementation of the Shaper interface. Shape assumes that the layout
@@ -126,7 +130,7 @@ func (c *Cache) Shape(font Font, size fixed.Int26_6, layout Layout) clip.PathSpe
return cache.shape(size, layout)
}
func (f *faceCache) layout(ppem fixed.Int26_6, maxWidth int, str string) []Line {
func (f *faceCache) layout(ppem fixed.Int26_6, maxWidth int, lc system.Locale, str string) []Line {
if f == nil {
return nil
}
@@ -134,27 +138,43 @@ func (f *faceCache) layout(ppem fixed.Int26_6, maxWidth int, str string) []Line
ppem: ppem,
maxWidth: maxWidth,
str: str,
locale: lc,
}
if l, ok := f.layoutCache.Get(lk); ok {
return l
}
l, _ := f.face.Layout(ppem, maxWidth, strings.NewReader(str))
l, _ := f.face.Layout(ppem, maxWidth, lc, strings.NewReader(str))
f.layoutCache.Put(lk, l)
return l
}
// hashGIDs returns a 64-bit hash value of the font GIDs contained
// within the provided layout.
func (f *faceCache) hashGIDs(layout Layout) uint64 {
if f.seed == (maphash.Seed{}) {
f.seed = maphash.MakeSeed()
}
var h maphash.Hash
h.SetSeed(f.seed)
for _, g := range layout.Glyphs {
binary.Write(&h, binary.LittleEndian, g.ID)
}
return h.Sum64()
}
func (f *faceCache) shape(ppem fixed.Int26_6, layout Layout) clip.PathSpec {
if f == nil {
return clip.PathSpec{}
}
pk := pathKey{
ppem: ppem,
str: layout.Text,
ppem: ppem,
str: layout.Text,
gidHash: f.hashGIDs(layout),
}
if clip, ok := f.pathCache.Get(pk); ok {
if clip, ok := f.pathCache.Get(pk, layout); ok {
return clip
}
clip := f.face.Shape(ppem, layout)
f.pathCache.Put(pk, clip)
f.pathCache.Put(pk, layout, clip)
return clip
}
+124 -1
View File
@@ -5,7 +5,9 @@ package text
import (
"io"
"gioui.org/io/system"
"gioui.org/op/clip"
"github.com/go-text/typesetting/font"
"golang.org/x/image/math/fixed"
)
@@ -23,9 +25,130 @@ type Line struct {
Bounds fixed.Rectangle26_6
}
// Range describes the position and quantity of a range of text elements
// within a larger slice. The unit is usually runes of unicode data or
// glyphs of shaped font data.
type Range struct {
// Count describes the number of items represented by the Range.
Count int
// Offset describes the start position of the represented
// items within a larger list.
Offset int
}
// GlyphID uniquely identifies a glyph within a specific font.
type GlyphID = font.GID
// Glyph contains the metadata needed to render a glyph.
type Glyph struct {
// ID is this glyph's identifier within the font it was shaped with.
ID GlyphID
// ClusterIndex is the identifier for the text shaping cluster that
// this glyph is part of.
ClusterIndex int
// GlyphCount is the number of glyphs in the same cluster as this glyph.
GlyphCount int
// RuneCount is the quantity of runes in the source text that this glyph
// corresponds to.
RuneCount int
// XAdvance and YAdvance describe the distance the dot moves when
// laying out the glyph on the X or Y axis.
XAdvance, YAdvance fixed.Int26_6
// XOffset and YOffset describe offsets from the dot that should be
// applied when rendering the glyph.
XOffset, YOffset fixed.Int26_6
}
// GlyphCluster provides metadata about a sequence of indivisible shaped
// glyphs.
type GlyphCluster struct {
// Advance is the cumulative advance of all glyphs in the cluster.
Advance fixed.Int26_6
// Runes indicates the position and quantity of the runes represented by
// this cluster within the text.
Runes Range
// Glyphs indicates the position and quantity of the glyphs within this
// cluster in a Layout's Glyphs slice.
Glyphs Range
}
// RuneWidth returns the effective width of one rune for this cluster.
// If the cluster contains multiple runes, the width of the glyphs of
// the cluster is divided evenly among the runes.
func (c GlyphCluster) RuneWidth() fixed.Int26_6 {
if c.Runes.Count == 0 {
return 0
}
return c.Advance / fixed.Int26_6(c.Runes.Count)
}
type Layout struct {
// Glyphs are the actual font characters for the text. The are ordered
// from left to right regardless of the text direction of the underlying
// text.
Glyphs []Glyph
// Clusters is metadata about the shaped glyphs. It is mostly useful for
// interactive text widgets like editors. The order of clusters is logical,
// so the first cluster will describe the beginning of the text and may
// refer to the final glyphs in the Glyphs field if the text is RTL.
Clusters []GlyphCluster
Text string
Advances []fixed.Int26_6
// Runes describes the position of the text data this layout represents
// within the overall body of text being shaped.
Runes Range
// Direction is the layout direction of the text.
Direction system.TextDirection
}
// Slice returns a layout starting at the glyph cluster index start
// and running through the glyph cluster index end. The Offsets field
// of the returned layout is adjusted to reflect the new rune range
// covered by the layout. The returned layout will have no Clusters.
func (l Layout) Slice(start, end int) Layout {
if start == end || end == 0 || start == len(l.Clusters) {
return Layout{}
}
newRuneStart := l.Clusters[start].Runes.Offset
runesBefore := newRuneStart - l.Runes.Offset
endCluster := l.Clusters[end-1]
startCluster := l.Clusters[start]
runesAfter := l.Runes.Offset + l.Runes.Count - (endCluster.Runes.Offset + endCluster.Runes.Count)
if l.Direction.Progression() == system.TowardOrigin {
startCluster, endCluster = endCluster, startCluster
}
glyphStart := startCluster.Glyphs.Offset
glyphEnd := endCluster.Glyphs.Offset + endCluster.Glyphs.Count
out := l
out.Clusters = nil
out.Glyphs = out.Glyphs[glyphStart:glyphEnd]
out.Runes.Offset = newRuneStart
out.Runes.Count -= runesBefore + runesAfter
return out
}
// equals returns true when l2 is logically equivalent to l.
func (l Layout) equals(l2 Layout) bool {
if len(l.Glyphs) != len(l2.Glyphs) || len(l.Clusters) != len(l2.Clusters) {
return false
}
if l.Runes != l2.Runes || l.Direction != l2.Direction {
return false
}
for i := range l.Clusters {
if l.Clusters[i] != l2.Clusters[i] {
return false
}
}
for i := range l.Glyphs {
if l.Glyphs[i] != l2.Glyphs[i] {
return false
}
}
return true
}
// Style is the font style.
@@ -47,7 +170,7 @@ type Font struct {
// Face implements text layout and shaping for a particular font. All
// methods must be safe for concurrent use.
type Face interface {
Layout(ppem fixed.Int26_6, maxWidth int, txt io.Reader) ([]Line, error)
Layout(ppem fixed.Int26_6, maxWidth int, lc system.Locale, txt io.RuneReader) ([]Line, error)
Shape(ppem fixed.Int26_6, str Layout) clip.PathSpec
}
+37 -29
View File
@@ -3,8 +3,8 @@
package widget
import (
"bufio"
"bytes"
"fmt"
"image"
"io"
"math"
@@ -21,6 +21,7 @@ import (
"gioui.org/io/event"
"gioui.org/io/key"
"gioui.org/io/pointer"
"gioui.org/io/system"
"gioui.org/layout"
"gioui.org/op"
"gioui.org/op/clip"
@@ -102,6 +103,8 @@ type Editor struct {
events []EditorEvent
// prevEvents is the number of events from the previous frame.
prevEvents int
locale system.Locale
}
type offEntry struct {
@@ -155,31 +158,20 @@ func (m *maskReader) Reset(r io.RuneReader, mr rune) {
m.mask = m.maskBuf[:n]
}
// Read reads from the underlying reader and replaces every
// ReadRune reads a rune from the underlying reader and replaces every
// rune with the mask rune.
func (m *maskReader) Read(b []byte) (n int, err error) {
for len(b) > 0 {
var replacement []byte
if len(m.overflow) > 0 {
replacement = m.overflow
} else {
var r rune
r, _, err = m.rr.ReadRune()
if err != nil {
break
}
if r == '\n' {
replacement = []byte{'\n'}
} else {
replacement = m.mask
}
}
nn := copy(b, replacement)
m.overflow = replacement[nn:]
n += nn
b = b[nn:]
func (m *maskReader) ReadRune() (r rune, n int, err error) {
r, _, err = m.rr.ReadRune()
if err != nil {
return
}
return n, err
if r != '\n' {
r, _ = utf8.DecodeRune(m.mask)
n = len(m.mask)
} else {
n = 1
}
return
}
type EditorEvent interface {
@@ -505,6 +497,10 @@ func (e *Editor) Focused() bool {
// Layout lays out the editor. If content is not nil, it is laid out on top.
func (e *Editor) Layout(gtx layout.Context, sh text.Shaper, font text.Font, size unit.Value, content layout.Widget) layout.Dimensions {
if e.locale != gtx.Locale {
e.locale = gtx.Locale
e.invalidate()
}
textSize := fixed.I(gtx.Px(size))
if e.font != font || e.textSize != textSize {
e.invalidate()
@@ -877,14 +873,18 @@ func (e *Editor) moveCoord(pos image.Point) {
func (e *Editor) layoutText(s text.Shaper) ([]text.Line, layout.Dimensions) {
e.rr.Reset()
var r io.Reader = &e.rr
var r io.RuneReader = &e.rr
if e.Mask != 0 {
e.maskReader.Reset(&e.rr, e.Mask)
r = &e.maskReader
}
var lines []text.Line
if s != nil {
lines, _ = s.Layout(e.font, e.textSize, e.maxWidth, r)
lines, _ = s.Layout(e.font, e.textSize, e.maxWidth, e.locale, r)
if len(lines) == 0 {
// The editor does not tolerate a zero-length list of lines being returned from the shaper.
lines = append(lines, text.Line{})
}
} else {
lines, _ = nullLayout(r)
}
@@ -926,7 +926,7 @@ func (e *Editor) indexPosition(pos combinedPos) combinedPos {
// of p2. All fields of p1 must be a consistent and valid.
func positionGreaterOrEqual(lines []text.Line, p1, p2 combinedPos) bool {
l := lines[p1.lineCol.Y]
endCol := len(l.Layout.Advances) - 1
endCol := l.Layout.Runes.Count - 1
if lastLine := p1.lineCol.Y == len(lines)-1; lastLine {
endCol++
}
@@ -1391,8 +1391,7 @@ func sortPoints(a, b screenPos) (a2, b2 screenPos) {
return a, b
}
func nullLayout(r io.Reader) ([]text.Line, error) {
rr := bufio.NewReader(r)
func nullLayout(rr io.RuneReader) ([]text.Line, error) {
var rerr error
var n int
var buf bytes.Buffer
@@ -1405,9 +1404,18 @@ func nullLayout(r io.Reader) ([]text.Line, error) {
n++
buf.WriteRune(r)
}
clusters := make([]text.GlyphCluster, n)
for i := range clusters {
clusters[i].Runes.Count = 1
clusters[i].Runes.Offset = i
}
return []text.Line{
{
Layout: text.Layout{
Clusters: clusters,
Runes: text.Range{
Count: n,
},
Text: buf.String(),
Advances: make([]fixed.Int26_6, n),
},
+2 -2
View File
@@ -58,7 +58,7 @@ func clipLine(lines []text.Line, alignment text.Alignment, width int, clip image
func subLayout(line text.Line, startCol, endCol int) text.Layout {
adv := line.Layout.Advances
if startCol == len(adv) {
if startCol == line.Layout.Runes.Count {
return text.Layout{}
}
adv = adv[startCol:endCol]
@@ -90,7 +90,7 @@ func (p1 screenPos) Less(p2 screenPos) bool {
func (l Label) Layout(gtx layout.Context, s text.Shaper, font text.Font, size unit.Value, txt string) layout.Dimensions {
cs := gtx.Constraints
textSize := fixed.I(gtx.Px(size))
lines := s.LayoutString(font, textSize, cs.Max.X, txt)
lines := s.LayoutString(font, textSize, cs.Max.X, gtx.Locale, txt)
if max := l.MaxLines; max > 0 && len(lines) > max {
lines = lines[:max]
}