zeni/go-chart
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tweaks

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This commit is contained in:
Will Charczuk 2016-07-11 00:12:14 -07:00
parent 5b590c23d4
commit 1b0191ef78
2 changed files with 13 additions and 13 deletions
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15
chart.go
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@ -288,17 +288,18 @@ func (c Chart) getYAxisWidth(r Renderer, ticks []Tick) int {
} }
func (c Chart) getYAxisSecondaryWidth(r Renderer, ticks []Tick) int { func (c Chart) getYAxisSecondaryWidth(r Renderer, ticks []Tick) int {
var ll string r.SetFontSize(c.YAxisSecondary.Style.GetFontSize(DefaultFontSize))
r.SetFont(c.YAxisSecondary.Style.GetFont(c.Font))
var textWidth int
for _, t := range ticks { for _, t := range ticks {
if len(t.Label) > len(ll) { tw, _ := r.MeasureText(t.Label)
ll = t.Label if tw > textWidth {
textWidth = tw
} }
} }
r.SetFontSize(c.YAxisSecondary.Style.GetFontSize(DefaultFontSize)) return textWidth + DefaultYAxisMargin
r.SetFont(c.YAxisSecondary.Style.GetFont(c.Font))
tw, _ := r.MeasureText(ll)
return tw + DefaultYAxisMargin
} }
func (c Chart) setRangeDomains(canvasBox Box, xrange, yrange, yrangeAlt Range) (Range, Range, Range) { func (c Chart) setRangeDomains(canvasBox Box, xrange, yrange, yrangeAlt Range) (Range, Range, Range) {

11
yaxis.go
View file

@ -77,8 +77,8 @@ func (ya YAxis) Render(r Renderer, canvasBox Box, ra Range, axisType YAxisType,
v := t.Value v := t.Value
ly := ra.Translate(v) + canvasBox.Top ly := ra.Translate(v) + canvasBox.Top
th := int(fontSize) >> 1 _, pth := r.MeasureText(t.Label)
ty := ly + th ty := ly + pth>>1
r.Text(t.Label, tx, ty) r.Text(t.Label, tx, ty)
@ -97,13 +97,12 @@ func (ya YAxis) Render(r Renderer, canvasBox Box, ra Range, axisType YAxisType,
v := t.Value v := t.Value
ly := ra.Translate(v) + canvasBox.Top ly := ra.Translate(v) + canvasBox.Top
ptw, _ := r.MeasureText(t.Label) ptw, pth := r.MeasureText(t.Label)
tw := ptw tw := ptw
th := int(fontSize)
tx = lx - (int(tw) + (DefaultYAxisMargin >> 1)) tx = lx - (tw + DefaultYAxisMargin)
ty := ly + th>>1 ty := ly + pth>>1
r.Text(t.Label, tx, ty) r.Text(t.Label, tx, ty)