38 lines
691 B
Go
38 lines
691 B
Go
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package typeset
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import "golang.org/x/image/font"
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import "golang.org/x/image/math/fixed"
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func recommendHeight (tokens []token, face font.Face, width fixed.Int26_6) fixed.Int26_6 {
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metrics := face.Metrics()
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var dot fixed.Point26_6
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newline := func () {
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dot.Y += metrics.Height
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dot.X = 0
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}
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sawLineBreak := false
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for _, token := range tokens {
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// demarcate lines
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if sawLineBreak {
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newline()
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sawLineBreak = false
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}
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if token.kind == tokenKindLineBreak {
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sawLineBreak = true
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} else {
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needWrap :=
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token.kind == tokenKindWord &&
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dot.X + token.width > width
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if needWrap {
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newline()
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}
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dot.X += token.width
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}
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}
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newline()
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return dot.Y
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}
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