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text: Refactoring: create glyph object in appendGlyph

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This commit is contained in:
Hajime Hoshi 2017-07-19 02:57:49 +09:00
parent 28934c4fd2
commit 94c4a76dcf
1 changed files with 10 additions and 10 deletions
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20
text/text.go
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@ -153,7 +153,11 @@ func (a *atlas) maxGlyphNum() int {
return xnum * ynum return xnum * ynum
} }
func (a *atlas) append(g *glyph) { func (a *atlas) appendGlyph(face font.Face, rune rune, now int64) *glyph {
g := &glyph{
char: char{face, rune},
atime: now,
}
if len(a.charToGlyph) == a.maxGlyphNum() { if len(a.charToGlyph) == a.maxGlyphNum() {
var oldest *glyph var oldest *glyph
t := int64(math.MaxInt64) t := int64(math.MaxInt64)
@ -175,6 +179,7 @@ func (a *atlas) append(g *glyph) {
} }
a.charToGlyph[g.char] = g a.charToGlyph[g.char] = g
a.draw(g) a.draw(g)
return g
} }
func (a *atlas) draw(glyph *glyph) { func (a *atlas) draw(glyph *glyph) {
@ -213,12 +218,8 @@ func getGlyphFromCache(face font.Face, r rune, now int64) *glyph {
} }
} }
g := &glyph{
char: ch,
atime: now,
}
if ch.empty() { if ch.empty() {
return g return nil
} }
if !ok { if !ok {
@ -236,14 +237,13 @@ func getGlyphFromCache(face font.Face, r rune, now int64) *glyph {
i, _ := ebiten.NewImage(size, size, ebiten.FilterNearest) i, _ := ebiten.NewImage(size, size, ebiten.FilterNearest)
a = &atlas{ a = &atlas{
image: i, image: i,
glyphSize: g.char.atlasGroup(), glyphSize: ch.atlasGroup(),
charToGlyph: map[char]*glyph{}, charToGlyph: map[char]*glyph{},
} }
atlases[g.char.atlasGroup()] = a atlases[ch.atlasGroup()] = a
} }
a.append(g) return a.appendGlyph(ch.face, ch.rune, now)
return g
} }
var textM sync.Mutex var textM sync.Mutex