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bounded rotate works, ish

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This commit is contained in:
Will Charczuk 2016-09-05 14:03:20 -07:00
parent 8f56e5939b
commit a1835a532d
7 changed files with 60 additions and 27 deletions
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41
_examples/text_rotation/main.go
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@ -24,12 +24,12 @@ func drawChart(res http.ResponseWriter, req *http.Request) {
TextRotationDegrees: 45.0,
},
Ticks: []chart.Tick{
{0.0, "0.00"},
{2.0, "2.00"},
{4.0, "4.00"},
{6.0, "6.00"},
{8.0, "Eight"},
{10.0, "Ten"},
{Value: 0.0, Label: "0.00"},
{Value: 2.0, Label: "2.00"},
{Value: 4.0, Label: "4.00"},
{Value: 6.0, Label: "6.00"},
{Value: 8.0, Label: "Eight"},
{Value: 10.0, Label: "Ten"},
},
},
XAxis: chart.XAxis{
@ -40,12 +40,12 @@ func drawChart(res http.ResponseWriter, req *http.Request) {
TextRotationDegrees: 45.0,
},
Ticks: []chart.Tick{
{0.0, "0.00"},
{2.0, "2.00"},
{4.0, "4.00"},
{6.0, "6.00"},
{8.0, "Eight"},
{10.0, "Ten"},
{Value: 0.0, Label: "0.00"},
{Value: 2.0, Label: "2.00"},
{Value: 4.0, Label: "4.00"},
{Value: 6.0, Label: "6.00"},
{Value: 8.0, Label: "Eight"},
{Value: 10.0, Label: "Ten"},
},
},
Series: []chart.Series{
@ -60,15 +60,28 @@ func drawChart(res http.ResponseWriter, req *http.Request) {
graph.Elements = []chart.Renderable{
func(r chart.Renderer, cb chart.Box, defaults chart.Style) {
b := chart.Box{50, 50, 90, 110}
b := chart.Box{Top: 50, Left: 50, Right: 150, Bottom: 300}
cx, cy := b.Center()
chart.Draw.Box(r, chart.Box{Top: cy - 2, Left: cx - 2, Right: cx + 2, Bottom: cy + 2}, chart.Style{
StrokeWidth: 2,
StrokeColor: chart.ColorBlack,
})
chart.Draw.Box(r, b, chart.Style{
StrokeWidth: 2,
StrokeColor: chart.ColorBlue,
})
chart.Draw.Box(r, b.Rotate(chart.Math.DegreesToRadians(45)), chart.Style{
chart.Draw.Box(r, b.BoundedRotate(chart.Math.DegreesToRadians(45)), chart.Style{
StrokeWidth: 2,
StrokeColor: chart.ColorRed,
})
chart.Draw.BoxRotated(r, b, chart.Math.DegreesToRadians(45), chart.Style{
StrokeWidth: 2,
StrokeColor: chart.ColorOrange,
})
},
}
graph.Render(chart.PNG, res)