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text shift change

This commit is contained in:
Dongdong Zhou 2018-02-25 06:23:44 +00:00
parent 0b78a098b1
commit f7bd6b093e
1 changed files with 3 additions and 1 deletions
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4
editor/font.go
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@ -12,6 +12,7 @@ type Font struct {
height float64
ascent float64
descent float64
leading float64
shift float64
lineHeight float64
underlinePos float64
@ -31,10 +32,11 @@ func NewFont() *Font {
f.ascent = fontMetrics.Ascent()
f.descent = fontMetrics.Descent()
f.underlinePos = fontMetrics.UnderlinePos()
f.leading = fontMetrics.Leading()
f.lineSpace = float64(10)
f.lineHeight = float64(int(f.height + f.lineSpace + 0.5))
f.shift = float64(int(f.lineSpace/2 + f.ascent - f.descent + 1))
f.shift = float64(int(f.lineSpace/2 + f.ascent - f.leading + 0.5))
return f
}