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author | Péter Szilágyi <peterke@gmail.com> | 2016-10-29 01:05:01 +0800 |
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committer | Felix Lange <fjl@twurst.com> | 2016-10-29 01:05:01 +0800 |
commit | 289b30715d097edafd5562f66cb3567a70b2d330 (patch) | |
tree | 7eaaa6da97c84727469303b986e364606ece57ce /vendor/github.com/gizak/termui/barchart.go | |
parent | 77703045765343c489ded2f43e3ed0f332c5f148 (diff) | |
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Godeps, vendor: convert dependency management to trash (#3198)
This commit converts the dependency management from Godeps to the vendor
folder, also switching the tool from godep to trash. Since the upstream tool
lacks a few features proposed via a few PRs, until those PRs are merged in
(if), use github.com/karalabe/trash.
You can update dependencies via trash --update.
All dependencies have been updated to their latest version.
Parts of the build system are reworked to drop old notions of Godeps and
invocation of the go vet command so that it doesn't run against the vendor
folder, as that will just blow up during vetting.
The conversion drops OpenCL (and hence GPU mining support) from ethash and our
codebase. The short reasoning is that there's noone to maintain and having
opencl libs in our deps messes up builds as go install ./... tries to build
them, failing with unsatisfied link errors for the C OpenCL deps.
golang.org/x/net/context is not vendored in. We expect it to be fetched by the
user (i.e. using go get). To keep ci.go builds reproducible the package is
"vendored" in build/_vendor.
Diffstat (limited to 'vendor/github.com/gizak/termui/barchart.go')
-rw-r--r-- | vendor/github.com/gizak/termui/barchart.go | 149 |
1 files changed, 149 insertions, 0 deletions
diff --git a/vendor/github.com/gizak/termui/barchart.go b/vendor/github.com/gizak/termui/barchart.go new file mode 100644 index 000000000..9e2a10689 --- /dev/null +++ b/vendor/github.com/gizak/termui/barchart.go @@ -0,0 +1,149 @@ +// Copyright 2016 Zack Guo <gizak@icloud.com>. All rights reserved. +// Use of this source code is governed by a MIT license that can +// be found in the LICENSE file. + +package termui + +import "fmt" + +// BarChart creates multiple bars in a widget: +/* + bc := termui.NewBarChart() + data := []int{3, 2, 5, 3, 9, 5} + bclabels := []string{"S0", "S1", "S2", "S3", "S4", "S5"} + bc.BorderLabel = "Bar Chart" + bc.Data = data + bc.Width = 26 + bc.Height = 10 + bc.DataLabels = bclabels + bc.TextColor = termui.ColorGreen + bc.BarColor = termui.ColorRed + bc.NumColor = termui.ColorYellow +*/ +type BarChart struct { + Block + BarColor Attribute + TextColor Attribute + NumColor Attribute + Data []int + DataLabels []string + BarWidth int + BarGap int + CellChar rune + labels [][]rune + dataNum [][]rune + numBar int + scale float64 + max int +} + +// NewBarChart returns a new *BarChart with current theme. +func NewBarChart() *BarChart { + bc := &BarChart{Block: *NewBlock()} + bc.BarColor = ThemeAttr("barchart.bar.bg") + bc.NumColor = ThemeAttr("barchart.num.fg") + bc.TextColor = ThemeAttr("barchart.text.fg") + bc.BarGap = 1 + bc.BarWidth = 3 + bc.CellChar = ' ' + return bc +} + +func (bc *BarChart) layout() { + bc.numBar = bc.innerArea.Dx() / (bc.BarGap + bc.BarWidth) + bc.labels = make([][]rune, bc.numBar) + bc.dataNum = make([][]rune, len(bc.Data)) + + for i := 0; i < bc.numBar && i < len(bc.DataLabels) && i < len(bc.Data); i++ { + bc.labels[i] = trimStr2Runes(bc.DataLabels[i], bc.BarWidth) + n := bc.Data[i] + s := fmt.Sprint(n) + bc.dataNum[i] = trimStr2Runes(s, bc.BarWidth) + } + + //bc.max = bc.Data[0] // what if Data is nil? Sometimes when bar graph is nill it produces panic with panic: runtime error: index out of range + // Asign a negative value to get maxvalue auto-populates + if bc.max == 0 { + bc.max = -1 + } + for i := 0; i < len(bc.Data); i++ { + if bc.max < bc.Data[i] { + bc.max = bc.Data[i] + } + } + bc.scale = float64(bc.max) / float64(bc.innerArea.Dy()-1) +} + +func (bc *BarChart) SetMax(max int) { + + if max > 0 { + bc.max = max + } +} + +// Buffer implements Bufferer interface. +func (bc *BarChart) Buffer() Buffer { + buf := bc.Block.Buffer() + bc.layout() + + for i := 0; i < bc.numBar && i < len(bc.Data) && i < len(bc.DataLabels); i++ { + h := int(float64(bc.Data[i]) / bc.scale) + oftX := i * (bc.BarWidth + bc.BarGap) + + barBg := bc.Bg + barFg := bc.BarColor + + if bc.CellChar == ' ' { + barBg = bc.BarColor + barFg = ColorDefault + if bc.BarColor == ColorDefault { // the same as above + barBg |= AttrReverse + } + } + + // plot bar + for j := 0; j < bc.BarWidth; j++ { + for k := 0; k < h; k++ { + c := Cell{ + Ch: bc.CellChar, + Bg: barBg, + Fg: barFg, + } + + x := bc.innerArea.Min.X + i*(bc.BarWidth+bc.BarGap) + j + y := bc.innerArea.Min.Y + bc.innerArea.Dy() - 2 - k + buf.Set(x, y, c) + } + } + // plot text + for j, k := 0, 0; j < len(bc.labels[i]); j++ { + w := charWidth(bc.labels[i][j]) + c := Cell{ + Ch: bc.labels[i][j], + Bg: bc.Bg, + Fg: bc.TextColor, + } + y := bc.innerArea.Min.Y + bc.innerArea.Dy() - 1 + x := bc.innerArea.Min.X + oftX + k + buf.Set(x, y, c) + k += w + } + // plot num + for j := 0; j < len(bc.dataNum[i]); j++ { + c := Cell{ + Ch: bc.dataNum[i][j], + Fg: bc.NumColor, + Bg: barBg, + } + + if h == 0 { + c.Bg = bc.Bg + } + x := bc.innerArea.Min.X + oftX + (bc.BarWidth-len(bc.dataNum[i]))/2 + j + y := bc.innerArea.Min.Y + bc.innerArea.Dy() - 2 + buf.Set(x, y, c) + } + } + + return buf +} |