adding new formatters
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@ -55,6 +55,10 @@ const (
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// DefaultDateFormat is the default date format.
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// DefaultDateFormat is the default date format.
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DefaultDateFormat = "2006-01-02"
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DefaultDateFormat = "2006-01-02"
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// DefaultDateHourFormat is the date format for hour timestamp formats.
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DefaultDateHourFormat = "01-02 3pm"
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// DefaultFloatFormat is the default float format.
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DefaultFloatFormat = "%.2f"
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)
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)
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var (
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var (
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@ -67,7 +71,7 @@ var (
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// DefaultCanvasColor is the default chart canvas color.
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// DefaultCanvasColor is the default chart canvas color.
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// It is equivalent to css color:white.
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// It is equivalent to css color:white.
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DefaultCanvasColor = drawing.Color{R: 255, G: 255, B: 255, A: 255}
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DefaultCanvasColor = drawing.Color{R: 255, G: 255, B: 255, A: 255}
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// DefaultCanvasStrokColor is the default chart canvas stroke color.
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// DefaultCanvasStrokeColor is the default chart canvas stroke color.
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// It is equivalent to css color:white.
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// It is equivalent to css color:white.
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DefaultCanvasStrokeColor = drawing.Color{R: 255, G: 255, B: 255, A: 255}
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DefaultCanvasStrokeColor = drawing.Color{R: 255, G: 255, B: 255, A: 255}
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// DefaultTextColor is the default chart text color.
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// DefaultTextColor is the default chart text color.
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@ -13,6 +13,11 @@ func TimeValueFormatter(v interface{}) string {
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return TimeValueFormatterWithFormat(v, DefaultDateFormat)
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return TimeValueFormatterWithFormat(v, DefaultDateFormat)
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}
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}
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// TimeHourValueFormatter is a ValueFormatter for timestamps.
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func TimeHourValueFormatter(v interface{}) string {
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return TimeValueFormatterWithFormat(v, DefaultDateHourFormat)
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}
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// TimeValueFormatterWithFormat is a ValueFormatter for timestamps with a given format.
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// TimeValueFormatterWithFormat is a ValueFormatter for timestamps with a given format.
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func TimeValueFormatterWithFormat(v interface{}, dateFormat string) string {
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func TimeValueFormatterWithFormat(v interface{}, dateFormat string) string {
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if typed, isTyped := v.(time.Time); isTyped {
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if typed, isTyped := v.(time.Time); isTyped {
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@ -29,7 +34,7 @@ func TimeValueFormatterWithFormat(v interface{}, dateFormat string) string {
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// FloatValueFormatter is a ValueFormatter for float64.
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// FloatValueFormatter is a ValueFormatter for float64.
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func FloatValueFormatter(v interface{}) string {
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func FloatValueFormatter(v interface{}) string {
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return FloatValueFormatterWithFormat(v, "%.2f")
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return FloatValueFormatterWithFormat(v, DefaultFloatFormat)
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}
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}
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// FloatValueFormatterWithFormat is a ValueFormatter for float64 with a given format.
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// FloatValueFormatterWithFormat is a ValueFormatter for float64 with a given format.
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