38 lines
659 B
Go
38 lines
659 B
Go
package gg
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import (
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"strings"
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)
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type measureStringer interface {
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MeasureString(s string) (w, h float64)
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}
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func wordWrap(m measureStringer, s string, width float64) []string {
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var result []string
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for _, line := range strings.Split(s, "\n") {
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x := ""
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for _, c := range line {
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w, _ := m.MeasureString(x + string(c))
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if w > width {
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if x == "" {
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result = append(result, string(c))
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x = ""
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continue
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} else {
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result = append(result, x)
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x = ""
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}
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}
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x += string(c)
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}
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if x != "" {
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result = append(result, x)
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}
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}
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for i, line := range result {
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result[i] = strings.TrimSpace(line)
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}
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return result
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}
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