use new SyncMap with FontFaces/FontEncoding

This commit is contained in:
Gavin Nishizawa 2023-10-30 12:13:18 -07:00
parent 94669f9b04
commit 1cfa2b9f81
No known key found for this signature in database
GPG key ID: AE3B177777CE55CD
5 changed files with 52 additions and 71 deletions

View file

@ -13,6 +13,7 @@ import (
"oss.terrastruct.com/d2/lib/font"
fontlib "oss.terrastruct.com/d2/lib/font"
"oss.terrastruct.com/d2/lib/syncmap"
)
type FontFamily string
@ -44,11 +45,7 @@ func (f Font) GetEncodedSubset(corpus string) string {
FontFamiliesMu.Lock()
defer FontFamiliesMu.Unlock()
var face []byte
{
ff, _ := FontFaces.Load(f)
face = ff.([]byte)
}
face := FontFaces.Get(f)
fontBuf := make([]byte, len(face))
copy(fontBuf, face)
fontBuf = font.UTF8CutFont(fontBuf, uniqueChars)
@ -56,8 +53,7 @@ func (f Font) GetEncodedSubset(corpus string) string {
fontBuf, err := fontlib.Sfnt2Woff(fontBuf)
if err != nil {
// If subset fails, return full encoding
fe, _ := FontEncodings.Load(f)
return fe.(string)
return FontEncodings.Get(f)
}
return fmt.Sprintf("data:application/font-woff;base64,%v", base64.StdEncoding.EncodeToString(fontBuf))
@ -140,104 +136,105 @@ var fuzzyBubblesBoldBase64 string
//go:embed ttf/*
var fontFacesFS embed.FS
// FontEncodings map[Font]string
var FontEncodings sync.Map
// FontFaces map[Font][]byte
var FontFaces sync.Map
var FontEncodings syncmap.SyncMap[Font, string]
var FontFaces syncmap.SyncMap[Font, []byte]
func init() {
FontEncodings.Store(
FontEncodings = syncmap.New[Font, string]()
FontEncodings.Set(
Font{
Family: SourceSansPro,
Style: FONT_STYLE_REGULAR,
},
sourceSansProRegularBase64)
FontEncodings.Store(
FontEncodings.Set(
Font{
Family: SourceSansPro,
Style: FONT_STYLE_BOLD,
},
sourceSansProBoldBase64)
FontEncodings.Store(
FontEncodings.Set(
Font{
Family: SourceSansPro,
Style: FONT_STYLE_SEMIBOLD,
},
sourceSansProSemiboldBase64)
FontEncodings.Store(
FontEncodings.Set(
Font{
Family: SourceSansPro,
Style: FONT_STYLE_ITALIC,
},
sourceSansProItalicBase64)
FontEncodings.Store(
FontEncodings.Set(
Font{
Family: SourceCodePro,
Style: FONT_STYLE_REGULAR,
},
sourceCodeProRegularBase64)
FontEncodings.Store(
FontEncodings.Set(
Font{
Family: SourceCodePro,
Style: FONT_STYLE_BOLD,
},
sourceCodeProBoldBase64)
FontEncodings.Store(
FontEncodings.Set(
Font{
Family: SourceCodePro,
Style: FONT_STYLE_SEMIBOLD,
},
sourceCodeProSemiboldBase64)
FontEncodings.Store(
FontEncodings.Set(
Font{
Family: SourceCodePro,
Style: FONT_STYLE_ITALIC,
},
sourceCodeProItalicBase64)
FontEncodings.Store(
FontEncodings.Set(
Font{
Family: HandDrawn,
Style: FONT_STYLE_REGULAR,
},
fuzzyBubblesRegularBase64)
FontEncodings.Store(
FontEncodings.Set(
Font{
Family: HandDrawn,
Style: FONT_STYLE_ITALIC,
// This font has no italic, so just reuse regular
}, fuzzyBubblesRegularBase64)
FontEncodings.Store(
FontEncodings.Set(
Font{
Family: HandDrawn,
Style: FONT_STYLE_BOLD,
}, fuzzyBubblesBoldBase64)
FontEncodings.Store(
FontEncodings.Set(
Font{
Family: HandDrawn,
Style: FONT_STYLE_SEMIBOLD,
// This font has no semibold, so just reuse bold
}, fuzzyBubblesBoldBase64)
FontEncodings.Range(func(k, v any) bool {
FontEncodings.Swap(k, strings.TrimSuffix(v.(string), "\n"))
FontEncodings.Range(func(k Font, v string) bool {
FontEncodings.Set(k, strings.TrimSuffix(v, "\n"))
return true
})
FontFaces = syncmap.New[Font, []byte]()
b, err := fontFacesFS.ReadFile("ttf/SourceSansPro-Regular.ttf")
if err != nil {
panic(err)
}
FontFaces.Store(Font{
FontFaces.Set(Font{
Family: SourceSansPro,
Style: FONT_STYLE_REGULAR,
}, b)
@ -246,7 +243,7 @@ func init() {
if err != nil {
panic(err)
}
FontFaces.Store(Font{
FontFaces.Set(Font{
Family: SourceCodePro,
Style: FONT_STYLE_REGULAR,
}, b)
@ -255,7 +252,7 @@ func init() {
if err != nil {
panic(err)
}
FontFaces.Store(Font{
FontFaces.Set(Font{
Family: SourceCodePro,
Style: FONT_STYLE_BOLD,
}, b)
@ -264,7 +261,7 @@ func init() {
if err != nil {
panic(err)
}
FontFaces.Store(Font{
FontFaces.Set(Font{
Family: SourceCodePro,
Style: FONT_STYLE_SEMIBOLD,
}, b)
@ -273,7 +270,7 @@ func init() {
if err != nil {
panic(err)
}
FontFaces.Store(Font{
FontFaces.Set(Font{
Family: SourceCodePro,
Style: FONT_STYLE_ITALIC,
}, b)
@ -282,7 +279,7 @@ func init() {
if err != nil {
panic(err)
}
FontFaces.Store(Font{
FontFaces.Set(Font{
Family: SourceSansPro,
Style: FONT_STYLE_BOLD,
}, b)
@ -291,7 +288,7 @@ func init() {
if err != nil {
panic(err)
}
FontFaces.Store(Font{
FontFaces.Set(Font{
Family: SourceSansPro,
Style: FONT_STYLE_SEMIBOLD,
}, b)
@ -300,7 +297,7 @@ func init() {
if err != nil {
panic(err)
}
FontFaces.Store(Font{
FontFaces.Set(Font{
Family: SourceSansPro,
Style: FONT_STYLE_ITALIC,
}, b)
@ -309,11 +306,11 @@ func init() {
if err != nil {
panic(err)
}
FontFaces.Store(Font{
FontFaces.Set(Font{
Family: HandDrawn,
Style: FONT_STYLE_REGULAR,
}, b)
FontFaces.Store(Font{
FontFaces.Set(Font{
Family: HandDrawn,
Style: FONT_STYLE_ITALIC,
}, b)
@ -322,11 +319,11 @@ func init() {
if err != nil {
panic(err)
}
FontFaces.Store(Font{
FontFaces.Set(Font{
Family: HandDrawn,
Style: FONT_STYLE_BOLD,
}, b)
FontFaces.Store(Font{
FontFaces.Set(Font{
Family: HandDrawn,
Style: FONT_STYLE_SEMIBOLD,
}, b)
@ -338,14 +335,14 @@ var D2_FONT_TO_FAMILY = map[string]FontFamily{
}
func AddFontStyle(font Font, style FontStyle, ttf []byte) error {
FontFaces.Store(font, ttf)
FontFaces.Set(font, ttf)
woff, err := fontlib.Sfnt2Woff(ttf)
if err != nil {
return fmt.Errorf("failed to encode ttf to woff: %v", err)
}
encodedWoff := fmt.Sprintf("data:application/font-woff;base64,%v", base64.StdEncoding.EncodeToString(woff))
FontEncodings.Store(font, encodedWoff)
FontEncodings.Set(font, encodedWoff)
return nil
}
@ -369,10 +366,8 @@ func AddFontFamily(name string, regularTTF, italicTTF, boldTTF, semiboldTTF []by
Family: SourceSansPro,
Style: FONT_STYLE_REGULAR,
}
f, _ := FontFaces.Load(fallbackFont)
FontFaces.Store(regularFont, f)
e, _ := FontEncodings.Load(fallbackFont)
FontEncodings.Store(regularFont, e)
FontFaces.Set(regularFont, FontFaces.Get(fallbackFont))
FontEncodings.Set(regularFont, FontEncodings.Get(fallbackFont))
}
italicFont := Font{
@ -389,10 +384,8 @@ func AddFontFamily(name string, regularTTF, italicTTF, boldTTF, semiboldTTF []by
Family: SourceSansPro,
Style: FONT_STYLE_ITALIC,
}
f, _ := FontFaces.Load(fallbackFont)
FontFaces.Store(italicFont, f)
fb, _ := FontEncodings.Load(fallbackFont)
FontEncodings.Store(italicFont, fb)
FontFaces.Set(italicFont, FontFaces.Get(fallbackFont))
FontEncodings.Set(italicFont, FontEncodings.Get(fallbackFont))
}
boldFont := Font{
@ -409,10 +402,8 @@ func AddFontFamily(name string, regularTTF, italicTTF, boldTTF, semiboldTTF []by
Family: SourceSansPro,
Style: FONT_STYLE_BOLD,
}
f, _ := FontFaces.Load(fallbackFont)
FontFaces.Store(boldFont, f)
fb, _ := FontEncodings.Load(fallbackFont)
FontEncodings.Store(boldFont, fb)
FontFaces.Set(boldFont, FontFaces.Get(fallbackFont))
FontEncodings.Set(boldFont, FontEncodings.Get(fallbackFont))
}
semiboldFont := Font{
@ -429,10 +420,8 @@ func AddFontFamily(name string, regularTTF, italicTTF, boldTTF, semiboldTTF []by
Family: SourceSansPro,
Style: FONT_STYLE_SEMIBOLD,
}
f, _ := FontFaces.Load(fallbackFont)
FontFaces.Store(semiboldFont, f)
fb, _ := FontEncodings.Load(fallbackFont)
FontEncodings.Store(semiboldFont, fb)
FontFaces.Set(semiboldFont, FontFaces.Get(fallbackFont))
FontEncodings.Set(semiboldFont, FontEncodings.Get(fallbackFont))
}
FontFamilies = append(FontFamilies, customFontFamily)

View file

@ -14,11 +14,7 @@ func TestCutFont(t *testing.T) {
Family: SourceCodePro,
Style: FONT_STYLE_BOLD,
}
var face []byte
{
ff, _ := FontFaces.Load(f)
face = ff.([]byte)
}
face := FontFaces.Get(f)
fontBuf := make([]byte, len(face))
copy(fontBuf, face)
fontBuf = font.UTF8CutFont(fontBuf, " 1")

View file

@ -121,7 +121,6 @@ func Append(diagram *d2target.Diagram, ruler *textmeasure.Ruler, in []byte) []by
}
if !strings.Contains(svg, `font-family: "font-regular"`) {
font, _ := d2fonts.FontEncodings.Load(d2fonts.SourceSansPro.Font(0, d2fonts.FONT_STYLE_REGULAR))
appendix += fmt.Sprintf(`<style type="text/css"><![CDATA[
.text {
font-family: "font-regular";
@ -130,10 +129,9 @@ func Append(diagram *d2target.Diagram, ruler *textmeasure.Ruler, in []byte) []by
font-family: font-regular;
src: url("%s");
}
]]></style>`, font.(string))
]]></style>`, d2fonts.FontEncodings.Get(d2fonts.SourceSansPro.Font(0, d2fonts.FONT_STYLE_REGULAR)))
}
if !strings.Contains(svg, `font-family: "font-bold"`) {
font, _ := d2fonts.FontEncodings.Load(d2fonts.SourceSansPro.Font(0, d2fonts.FONT_STYLE_BOLD))
appendix += fmt.Sprintf(`<style type="text/css"><![CDATA[
.text-bold {
font-family: "font-bold";
@ -142,7 +140,7 @@ func Append(diagram *d2target.Diagram, ruler *textmeasure.Ruler, in []byte) []by
font-family: font-bold;
src: url("%s");
}
]]></style>`, font.(string))
]]></style>`, d2fonts.FontEncodings.Get(d2fonts.SourceSansPro.Font(0, d2fonts.FONT_STYLE_BOLD)))
}
closingIndex := strings.LastIndex(svg, "</svg></svg>")

View file

@ -31,10 +31,8 @@ func Init() *GoFPDF {
UnitStr: "pt",
})
reg, _ := d2fonts.FontFaces.Load(d2fonts.SourceSansPro.Font(0, d2fonts.FONT_STYLE_REGULAR))
bold, _ := d2fonts.FontFaces.Load(d2fonts.SourceSansPro.Font(0, d2fonts.FONT_STYLE_BOLD))
newGofPDF.AddUTF8FontFromBytes("source", "", reg.([]byte))
newGofPDF.AddUTF8FontFromBytes("source", "B", bold.([]byte))
newGofPDF.AddUTF8FontFromBytes("source", "", d2fonts.FontFaces.Get(d2fonts.SourceSansPro.Font(0, d2fonts.FONT_STYLE_REGULAR)))
newGofPDF.AddUTF8FontFromBytes("source", "B", d2fonts.FontFaces.Get(d2fonts.SourceSansPro.Font(0, d2fonts.FONT_STYLE_BOLD)))
newGofPDF.SetAutoPageBreak(false, 0)
newGofPDF.SetLineWidth(2)
newGofPDF.SetMargins(0, 0, 0)

View file

@ -126,12 +126,12 @@ func NewRuler() (*Ruler, error) {
Style: fontStyle,
}
// Note: FontFaces lookup is size-agnostic
face, has := d2fonts.FontFaces.Load(font)
face, has := d2fonts.FontFaces.GetWithStatus(font)
if !has {
continue
}
if _, loaded := r.ttfs[font]; !loaded {
ttf, err := truetype.Parse(face.([]byte))
ttf, err := truetype.Parse(face)
if err != nil {
return nil, err
}