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This closes #1794, add new GetBaseColor function (#1798) 

Co-authored-by: wangjingwei <wang.jingwei@joyratel.com>
This commit is contained in:
xxxwang1983 2024-01-30 09:58:24 +08:00 committed by GitHub
parent 9a6855375e
commit 99e91e19ef
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GPG Key ID: B5690EEEBB952194
1 changed files with 29 additions and 18 deletions
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47
styles.go
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@ -1369,14 +1369,11 @@ var (
}
)
// getThemeColor provides a function to convert theme color or index color to
// RGB color.
func (f *File) getThemeColor(clr *xlsxColor) string {
var RGB string
if clr == nil || f.Theme == nil {
return RGB
}
if clrScheme := f.Theme.ThemeElements.ClrScheme; clr.Theme != nil {
// GetBaseColor returns the preferred hex color code by giving hex color code,
// indexed color, and theme color.
func (f *File) GetBaseColor(hexColor string, indexedColor int, themeColor *int) string {
if f.Theme != nil && themeColor != nil {
clrScheme := f.Theme.ThemeElements.ClrScheme
if val, ok := map[int]*string{
0: &clrScheme.Lt1.SysClr.LastClr,
1: &clrScheme.Dk1.SysClr.LastClr,
@ -1388,21 +1385,35 @@ func (f *File) getThemeColor(clr *xlsxColor) string {
7: clrScheme.Accent4.SrgbClr.Val,
8: clrScheme.Accent5.SrgbClr.Val,
9: clrScheme.Accent6.SrgbClr.Val,
}[*clr.Theme]; ok && val != nil {
return strings.TrimPrefix(ThemeColor(*val, clr.Tint), "FF")
}[*themeColor]; ok && val != nil {
return *val
}
}
if len(clr.RGB) == 6 {
return clr.RGB
if len(hexColor) == 6 {
return hexColor
}
if len(clr.RGB) == 8 {
return strings.TrimPrefix(clr.RGB, "FF")
if len(hexColor) == 8 {
return strings.TrimPrefix(hexColor, "FF")
}
if f.Styles.Colors != nil && f.Styles.Colors.IndexedColors != nil && clr.Indexed < len(f.Styles.Colors.IndexedColors.RgbColor) {
return strings.TrimPrefix(ThemeColor(strings.TrimPrefix(f.Styles.Colors.IndexedColors.RgbColor[clr.Indexed].RGB, "FF"), clr.Tint), "FF")
if f.Styles != nil && f.Styles.Colors != nil && f.Styles.Colors.IndexedColors != nil &&
indexedColor < len(f.Styles.Colors.IndexedColors.RgbColor) {
return strings.TrimPrefix(f.Styles.Colors.IndexedColors.RgbColor[indexedColor].RGB, "FF")
}
if clr.Indexed < len(IndexedColorMapping) {
return strings.TrimPrefix(ThemeColor(IndexedColorMapping[clr.Indexed], clr.Tint), "FF")
if indexedColor < len(IndexedColorMapping) {
return IndexedColorMapping[indexedColor]
}
return hexColor
}
// getThemeColor provides a function to convert theme color or index color to
// RGB color.
func (f *File) getThemeColor(clr *xlsxColor) string {
var RGB string
if clr == nil || f.Theme == nil {
return RGB
}
if RGB = f.GetBaseColor(clr.RGB, clr.Indexed, clr.Theme); RGB != "" {
RGB = strings.TrimPrefix(ThemeColor(RGB, clr.Tint), "FF")
}
return RGB
}