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refactor: adjust max value of axis, #19

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This commit is contained in:
vicanso 2022-08-28 09:43:18 +08:00
parent dc1a89d3ff
commit 128d5b2774
2 changed files with 9 additions and 2 deletions
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2
mark_line_test.go
View file

@ -67,7 +67,7 @@ func TestMarkLine(t *testing.T) {
}
return p.Bytes()
},
result: "<svg xmlns=\"http://www.w3.org/2000/svg\" xmlns:xlink=\"http://www.w3.org/1999/xlink\" width=\"600\" height=\"400\">\\n<circle cx=\"23\" cy=\"290\" r=\"3\" style=\"stroke-width:1;stroke:rgba(0,0,0,1.0);fill:rgba(0,0,0,1.0)\"/><path stroke-dasharray=\"4.0, 2.0\" d=\"\" style=\"stroke-width:1;stroke:rgba(0,0,0,1.0);fill:rgba(0,0,0,1.0)\"/><path stroke-dasharray=\"4.0, 2.0\" d=\"M 29 290\nL 562 290\" style=\"stroke-width:1;stroke:rgba(0,0,0,1.0);fill:rgba(0,0,0,1.0)\"/><path stroke-dasharray=\"4.0, 2.0\" d=\"M 562 285\nL 578 290\nL 562 295\nL 567 290\nL 562 285\" style=\"stroke-width:1;stroke:rgba(0,0,0,1.0);fill:rgba(0,0,0,1.0)\"/><text x=\"580\" y=\"294\" style=\"stroke-width:0;stroke:none;fill:rgba(0,0,0,1.0);font-size:12.8px;font-family:'Roboto Medium',sans-serif\">3</text><circle cx=\"23\" cy=\"320\" r=\"3\" style=\"stroke-width:1;stroke:rgba(0,0,0,1.0);fill:rgba(0,0,0,1.0)\"/><path stroke-dasharray=\"4.0, 2.0\" d=\"\" style=\"stroke-width:1;stroke:rgba(0,0,0,1.0);fill:rgba(0,0,0,1.0)\"/><path stroke-dasharray=\"4.0, 2.0\" d=\"M 29 320\nL 562 320\" style=\"stroke-width:1;stroke:rgba(0,0,0,1.0);fill:rgba(0,0,0,1.0)\"/><path stroke-dasharray=\"4.0, 2.0\" d=\"M 562 315\nL 578 320\nL 562 325\nL 567 320\nL 562 315\" style=\"stroke-width:1;stroke:rgba(0,0,0,1.0);fill:rgba(0,0,0,1.0)\"/><text x=\"580\" y=\"324\" style=\"stroke-width:0;stroke:none;fill:rgba(0,0,0,1.0);font-size:12.8px;font-family:'Roboto Medium',sans-serif\">2</text><circle cx=\"23\" cy=\"350\" r=\"3\" style=\"stroke-width:1;stroke:rgba(0,0,0,1.0);fill:rgba(0,0,0,1.0)\"/><path stroke-dasharray=\"4.0, 2.0\" d=\"\" style=\"stroke-width:1;stroke:rgba(0,0,0,1.0);fill:rgba(0,0,0,1.0)\"/><path stroke-dasharray=\"4.0, 2.0\" d=\"M 29 350\nL 562 350\" style=\"stroke-width:1;stroke:rgba(0,0,0,1.0);fill:rgba(0,0,0,1.0)\"/><path stroke-dasharray=\"4.0, 2.0\" d=\"M 562 345\nL 578 350\nL 562 355\nL 567 350\nL 562 345\" style=\"stroke-width:1;stroke:rgba(0,0,0,1.0);fill:rgba(0,0,0,1.0)\"/><text x=\"580\" y=\"354\" style=\"stroke-width:0;stroke:none;fill:rgba(0,0,0,1.0);font-size:12.8px;font-family:'Roboto Medium',sans-serif\">1</text></svg>",
result: "<svg xmlns=\"http://www.w3.org/2000/svg\" xmlns:xlink=\"http://www.w3.org/1999/xlink\" width=\"600\" height=\"400\">\\n<circle cx=\"23\" cy=\"272\" r=\"3\" style=\"stroke-width:1;stroke:rgba(0,0,0,1.0);fill:rgba(0,0,0,1.0)\"/><path stroke-dasharray=\"4.0, 2.0\" d=\"\" style=\"stroke-width:1;stroke:rgba(0,0,0,1.0);fill:rgba(0,0,0,1.0)\"/><path stroke-dasharray=\"4.0, 2.0\" d=\"M 29 272\nL 562 272\" style=\"stroke-width:1;stroke:rgba(0,0,0,1.0);fill:rgba(0,0,0,1.0)\"/><path stroke-dasharray=\"4.0, 2.0\" d=\"M 562 267\nL 578 272\nL 562 277\nL 567 272\nL 562 267\" style=\"stroke-width:1;stroke:rgba(0,0,0,1.0);fill:rgba(0,0,0,1.0)\"/><text x=\"580\" y=\"276\" style=\"stroke-width:0;stroke:none;fill:rgba(0,0,0,1.0);font-size:12.8px;font-family:'Roboto Medium',sans-serif\">3</text><circle cx=\"23\" cy=\"308\" r=\"3\" style=\"stroke-width:1;stroke:rgba(0,0,0,1.0);fill:rgba(0,0,0,1.0)\"/><path stroke-dasharray=\"4.0, 2.0\" d=\"\" style=\"stroke-width:1;stroke:rgba(0,0,0,1.0);fill:rgba(0,0,0,1.0)\"/><path stroke-dasharray=\"4.0, 2.0\" d=\"M 29 308\nL 562 308\" style=\"stroke-width:1;stroke:rgba(0,0,0,1.0);fill:rgba(0,0,0,1.0)\"/><path stroke-dasharray=\"4.0, 2.0\" d=\"M 562 303\nL 578 308\nL 562 313\nL 567 308\nL 562 303\" style=\"stroke-width:1;stroke:rgba(0,0,0,1.0);fill:rgba(0,0,0,1.0)\"/><text x=\"580\" y=\"312\" style=\"stroke-width:0;stroke:none;fill:rgba(0,0,0,1.0);font-size:12.8px;font-family:'Roboto Medium',sans-serif\">2</text><circle cx=\"23\" cy=\"344\" r=\"3\" style=\"stroke-width:1;stroke:rgba(0,0,0,1.0);fill:rgba(0,0,0,1.0)\"/><path stroke-dasharray=\"4.0, 2.0\" d=\"\" style=\"stroke-width:1;stroke:rgba(0,0,0,1.0);fill:rgba(0,0,0,1.0)\"/><path stroke-dasharray=\"4.0, 2.0\" d=\"M 29 344\nL 562 344\" style=\"stroke-width:1;stroke:rgba(0,0,0,1.0);fill:rgba(0,0,0,1.0)\"/><path stroke-dasharray=\"4.0, 2.0\" d=\"M 562 339\nL 578 344\nL 562 349\nL 567 344\nL 562 339\" style=\"stroke-width:1;stroke:rgba(0,0,0,1.0);fill:rgba(0,0,0,1.0)\"/><text x=\"580\" y=\"348\" style=\"stroke-width:0;stroke:none;fill:rgba(0,0,0,1.0);font-size:12.8px;font-family:'Roboto Medium',sans-serif\">1</text></svg>",
},
}
for _, tt := range tests {

9
range.go
View file

@ -60,7 +60,10 @@ func NewRange(opt AxisRangeOption) axisRange {
r := math.Abs(max - min)
// 最小单位计算
unit := 2
unit := 1
if r > 5 {
unit = 2
}
if r > 10 {
unit = 4
}
@ -85,6 +88,10 @@ func NewRange(opt AxisRangeOption) axisRange {
}
}
max = min + float64(unit*divideCount)
expectMax := opt.Max * 2
if max > expectMax {
max = float64(ceilFloatToInt(expectMax))
}
return axisRange{
divideCount: divideCount,
min: min,