fix: fix x axis label of horizontal bar chart, #42

charts.go

@@ -215,7 +215,16 @@ func defaultRender(p *Painter, opt defaultRenderOption) (*defaultRenderResult, e
 			yAxisOption.Data = r.Values()
 		} else {
 			yAxisOption.isCategoryAxis = true
-			opt.XAxis.Data = r.Values()
+			// 由于x轴为value部分，因此计算其label单独处理
+			opt.XAxis.Data = NewRange(AxisRangeOption{
+				Painter: p,
+				Min:     min,
+				Max:     max,
+				// 高度需要减去x轴的高度
+				Size: rangeHeight,
+				// 分隔数量
+				DivideCount: defaultAxisDivideCount,
+			}).Values()
 			opt.XAxis.isValueAxis = true
 		}
 		reverseStringSlice(yAxisOption.Data)

examples/horizontal_bar_chart/main.go

@@ -26,22 +26,22 @@ func writeFile(buf []byte) error {
 func main() {
 	values := [][]float64{
 		{
-			8203,
-			18203,
-			23489,
-			29034,
-			104970,
-			131744,
-			630230,
+			10,
+			30,
+			50,
+			70,
+			90,
+			110,
+			130,
 		},
 		{
-			9325,
-			19325,
-			23438,
-			31000,
-			121594,
-			134141,
-			681807,
+			20,
+			40,
+			60,
+			80,
+			100,
+			120,
+			140,
 		},
 	}
 	p, err := charts.HorizontalBarRender(