market hours range not quite working yet.
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50a798f67f
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2 changed files with 9 additions and 4 deletions
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@ -2,7 +2,7 @@ package chart
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// GridLineProvider is a type that provides grid lines.
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type GridLineProvider interface {
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GetGridLines(ticks []Tick, isVertical bool) []GridLine
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GetGridLines(ticks []Tick, isVertical bool, majorStyle, minorStyle Style) []GridLine
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}
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// GridLine is a line on a graph canvas.
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@ -62,7 +62,12 @@ func (gl GridLine) Render(r Renderer, canvasBox Box, ra Range, defaults Style) {
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func GenerateGridLines(ticks []Tick, majorStyle, minorStyle Style, isVertical bool) []GridLine {
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var gl []GridLine
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isMinor := false
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for _, t := range ticks {
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if len(ticks) < 3 {
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return gl
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}
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for _, t := range ticks[1 : len(ticks)-1] {
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s := majorStyle
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if isMinor {
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s = minorStyle
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@ -108,9 +108,9 @@ func (mhr MarketHoursRange) String() string {
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// Translate maps a given value into the ContinuousRange space.
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func (mhr MarketHoursRange) Translate(value float64) int {
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valueTime := Float64ToTime(value)
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valueTimeEastern := valueTime.In(date.Eastern())
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deltaSeconds := date.CalculateMarketSecondsBetween(mhr.Min, mhr.Max, mhr.MarketOpen, mhr.MarketClose, mhr.HolidayProvider)
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valueDelta := date.CalculateMarketSecondsBetween(mhr.Min, valueTime, mhr.MarketOpen, mhr.MarketClose, mhr.HolidayProvider)
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valueDelta := date.CalculateMarketSecondsBetween(mhr.Min, valueTimeEastern, mhr.MarketOpen, mhr.MarketClose, mhr.HolidayProvider)
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translated := int((float64(valueDelta) / float64(deltaSeconds)) * float64(mhr.Domain))
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return translated
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}
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