diff options
Diffstat (limited to 'vendor/github.com/cjbassi/termui/sparkline.go')
| -rw-r--r-- | vendor/github.com/cjbassi/termui/sparkline.go | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/vendor/github.com/cjbassi/termui/sparkline.go b/vendor/github.com/cjbassi/termui/sparkline.go index 8cefff8..41c35b1 100644 --- a/vendor/github.com/cjbassi/termui/sparkline.go +++ b/vendor/github.com/cjbassi/termui/sparkline.go @@ -1,5 +1,9 @@ package termui +import ( + "log" +) + var SPARKS = [8]rune{'▁', '▂', '▃', '▄', '▅', '▆', '▇', '█'} // Sparkline is like: ▅▆▂▂▅▇▂▂▃▆▆▆▅▃. The data points should be non-negative integers. @@ -67,7 +71,11 @@ func (self *Sparklines) Buffer() *Buffer { for x := self.X; x >= 1; x-- { char := SPARKS[0] if (self.X - x) < len(line.Data) { - char = SPARKS[int((float64(line.Data[(len(line.Data)-1)-(self.X-x)])/float64(max))*7)] + index := int((float64(line.Data[(len(line.Data)-1)-(self.X-x)]) / float64(max)) * 7) + if index < 0 || index >= len(SPARKS) { + log.Fatalf("\nindex: %d\nlen(SPARKS): %d", index, len(SPARKS)) + } + char = SPARKS[index] } buf.SetCell(x, sparkY, Cell{char, line.LineColor, self.Bg}) } |