You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
48 lines
1.2 KiB
Go
48 lines
1.2 KiB
Go
1 year ago
|
package xlsx
|
||
|
|
|
||
|
|
import (
|
||
|
|
"fmt"
|
||
|
|
"strconv"
|
||
|
|
)
|
||
|
|
|
||
|
|
type theme struct {
|
||
|
|
colors []string
|
||
|
|
}
|
||
|
|
|
||
|
|
func newTheme(themeXml xlsxTheme) *theme {
|
||
|
|
clrMap := map[string]string{}
|
||
|
|
clrSchemes := themeXml.ThemeElements.ClrScheme.Children
|
||
|
|
for _, scheme := range clrSchemes {
|
||
|
|
var rgbColor string
|
||
|
|
if scheme.SysClr != nil {
|
||
|
|
rgbColor = scheme.SysClr.LastClr
|
||
|
|
} else {
|
||
|
|
rgbColor = scheme.SrgbClr.Val
|
||
|
|
}
|
||
|
|
clrMap[scheme.XMLName.Local] = rgbColor
|
||
|
|
}
|
||
|
|
colors := []string{clrMap["lt1"], clrMap["dk1"], clrMap["lt2"], clrMap["dk2"], clrMap["accent1"],
|
||
|
|
clrMap["accent2"], clrMap["accent3"], clrMap["accent4"], clrMap["accent5"],
|
||
|
|
clrMap["accent6"], clrMap["hlink"], clrMap["folHlink"]}
|
||
|
|
return &theme{colors}
|
||
|
|
}
|
||
|
|
|
||
|
|
func (t *theme) themeColor(index int64, tint float64) string {
|
||
|
|
baseColor := t.colors[index]
|
||
|
|
if tint == 0 {
|
||
|
|
return "FF" + baseColor
|
||
|
|
} else {
|
||
|
|
r, _ := strconv.ParseInt(baseColor[0:2], 16, 64)
|
||
|
|
g, _ := strconv.ParseInt(baseColor[2:4], 16, 64)
|
||
|
|
b, _ := strconv.ParseInt(baseColor[4:6], 16, 64)
|
||
|
|
h, s, l := RGBToHSL(uint8(r), uint8(g), uint8(b))
|
||
|
|
if tint < 0 {
|
||
|
|
l *= (1 + tint)
|
||
|
|
} else {
|
||
|
|
l = l*(1-tint) + (1 - (1 - tint))
|
||
|
|
}
|
||
|
|
br, bg, bb := HSLToRGB(h, s, l)
|
||
|
|
return fmt.Sprintf("FF%02X%02X%02X", br, bg, bb)
|
||
|
|
}
|
||
|
|
}
|