113 lines
3.2 KiB
Go
113 lines
3.2 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/golang/freetype/truetype"
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type YAxisOption struct {
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// The minimun value of axis.
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Min *float64
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// The maximum value of axis.
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Max *float64
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// The font of y axis
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Font *truetype.Font
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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 ColorPalette
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// The font size of x axis label
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FontSize float64
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// The position of axis, it can be 'left' or 'right'
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Position string
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// The color of label
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FontColor Color
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// Formatter for y axis text value
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Formatter string
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// Color for y axis
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Color Color
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// The flag for show axis, set this to *false will hide axis
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Show *bool
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isCategoryAxis bool
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}
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func NewYAxisOptions(data []string, others ...[]string) []YAxisOption {
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arr := [][]string{
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data,
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}
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arr = append(arr, others...)
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opts := make([]YAxisOption, 0)
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for _, data := range arr {
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opts = append(opts, YAxisOption{
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Data: data,
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})
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}
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return opts
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}
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func (opt *YAxisOption) ToAxisOption() AxisOption {
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position := PositionLeft
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if opt.Position == PositionRight {
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position = PositionRight
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}
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axisOpt := AxisOption{
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Formatter: opt.Formatter,
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Theme: opt.Theme,
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Data: opt.Data,
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Position: position,
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FontSize: opt.FontSize,
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StrokeWidth: -1,
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Font: opt.Font,
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FontColor: opt.FontColor,
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BoundaryGap: FalseFlag(),
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SplitLineShow: true,
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SplitLineColor: opt.Theme.GetAxisSplitLineColor(),
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Show: opt.Show,
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}
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if !opt.Color.IsZero() {
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axisOpt.FontColor = opt.Color
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axisOpt.StrokeColor = opt.Color
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}
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if opt.isCategoryAxis {
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axisOpt.BoundaryGap = TrueFlag()
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axisOpt.StrokeWidth = 1
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axisOpt.SplitLineShow = false
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}
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return axisOpt
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}
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func NewLeftYAxis(p *Painter, opt YAxisOption) *axisPainter {
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p = p.Child(PainterPaddingOption(Box{
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Bottom: defaultXAxisHeight,
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}))
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return NewAxisPainter(p, opt.ToAxisOption())
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}
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func NewRightYAxis(p *Painter, opt YAxisOption) *axisPainter {
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p = p.Child(PainterPaddingOption(Box{
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Bottom: defaultXAxisHeight,
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}))
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axisOpt := opt.ToAxisOption()
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axisOpt.Position = PositionRight
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axisOpt.SplitLineShow = false
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return NewAxisPainter(p, axisOpt)
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}
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