83 lines
2.5 KiB
Go
83 lines
2.5 KiB
Go
// MIT License
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// Copyright (c) 2022 Tree Xie
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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// The above copyright notice and this permission notice shall be included in all
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// copies or substantial portions of the Software.
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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// SOFTWARE.
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package charts
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import "github.com/wcharczuk/go-chart/v2"
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type XAxisOption struct {
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// The boundary gap on both sides of a coordinate axis.
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// Nil or *true means the center part of two axis ticks
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BoundaryGap *bool
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// The data value of x axis
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Data []string
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// The theme of chart
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Theme string
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// Hidden x axis
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Hidden bool
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// Number of segments that the axis is split into. Note that this number serves only as a recommendation.
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SplitNumber int
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}
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// drawXAxis draws x axis, and returns the height, range of if.
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func drawXAxis(p *Draw, opt *XAxisOption) (int, *Range, error) {
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if opt.Hidden {
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return 0, nil, nil
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}
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dXAxis, err := NewDraw(
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DrawOption{
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Parent: p,
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},
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PaddingOption(chart.Box{
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Left: YAxisWidth,
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}),
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)
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if err != nil {
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return 0, nil, err
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}
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theme := NewTheme(opt.Theme)
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data := NewAxisDataListFromStringList(opt.Data)
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style := AxisOption{
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BoundaryGap: opt.BoundaryGap,
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StrokeColor: theme.GetAxisStrokeColor(),
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FontColor: theme.GetAxisStrokeColor(),
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StrokeWidth: 1,
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SplitNumber: opt.SplitNumber,
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}
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boundary := true
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max := float64(len(opt.Data))
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if isFalse(opt.BoundaryGap) {
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boundary = false
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max--
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}
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axis := NewAxis(dXAxis, data, style)
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axis.Render()
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return axis.measureAxis(), &Range{
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divideCount: len(opt.Data),
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Min: 0,
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Max: max,
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Size: dXAxis.Box.Width(),
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Boundary: boundary,
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}, nil
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}
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