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go.talks/cmd/cover: better color scheme and fonts 

R=golang-dev, r
CC=golang-dev
https://golang.org/cl/11032043
This commit is contained in:
Andrew Gerrand 2013-07-09 16:58:15 +10:00
parent 5da7e5a1a8
commit 2b6515094c
1 changed files with 22 additions and 16 deletions
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38
cmd/cover/html.go
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@ -2,6 +2,9 @@
// Use of this source code is governed by a BSD-style // Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file. // license that can be found in the LICENSE file.
// TODO(adg): floating nav bar + legend
// TODO(adg): set-specific legend
package main package main
import ( import (
@ -182,7 +185,7 @@ func (p *Profile) Tokens(src []byte) (tokens []Token) {
} }
} }
// Divisor for normalization. // Divisor for normalization.
divisor := math.Log(float64(max + 1)) divisor := math.Log(float64(max))
// tok returns a Token, populating the Norm field with a normalized Count. // tok returns a Token, populating the Norm field with a normalized Count.
tok := func(pos int, start bool, count int) Token { tok := func(pos int, start bool, count int) Token {
@ -190,10 +193,10 @@ func (p *Profile) Tokens(src []byte) (tokens []Token) {
if !start || count == 0 { if !start || count == 0 {
return t return t
} }
if max == 1 { if max <= 1 {
t.Norm = 0.4 // "set" mode; use pale color t.Norm = 0.4 // "set" mode; use pale color
} else { } else if count > 0 {
t.Norm = math.Log(float64(count+1)) / divisor t.Norm = math.Log(float64(count)) / divisor
} }
return t return t
} }
@ -241,7 +244,7 @@ func htmlGen(w io.Writer, src []byte, tokens []Token) error {
if t.Start { if t.Start {
n := 0 n := 0
if t.Count > 0 { if t.Count > 0 {
n = int(math.Floor(t.Norm*10)) + 1 n = int(math.Floor(t.Norm*9)) + 1
} }
fmt.Fprintf(dst, `<span class="cov%v" title="%v">`, n, t.Count) fmt.Fprintf(dst, `<span class="cov%v" title="%v">`, n, t.Count)
} else { } else {
@ -283,22 +286,22 @@ func startBrowser(url string) bool {
} }
// rgb returns an rgb value for the specified coverage value // rgb returns an rgb value for the specified coverage value
// between 0 (no coverage) and 11 (max coverage). // between 0 (no coverage) and 10 (max coverage).
func rgb(n int) string { func rgb(n int) string {
if n == 0 { if n == 0 {
return "rgb(255, 0, 0)" // Red return "rgb(192, 0, 0)" // Red
} }
// Gradient from pale blue (low count) to yellow (high count) // Gradient from gray to green.
r := 185 + 7*(n-1) r := 128 - 12*(n-1)
g := 185 + 7*(n-1) g := 128 + 12*(n-1)
b := 5 + 25*(11-n) b := 128 + 3*(n-1)
return fmt.Sprintf("rgb(%v, %v, %v)", r, g, b) return fmt.Sprintf("rgb(%v, %v, %v)", r, g, b)
} }
// colors generates the CSS rules for coverage colors. // colors generates the CSS rules for coverage colors.
func colors() template.CSS { func colors() template.CSS {
var buf bytes.Buffer var buf bytes.Buffer
for i := 0; i < 12; i++ { for i := 0; i < 11; i++ {
fmt.Fprintf(&buf, ".cov%v { color: %v }\n", i, rgb(i)) fmt.Fprintf(&buf, ".cov%v { color: %v }\n", i, rgb(i))
} }
return template.CSS(buf.String()) return template.CSS(buf.String())
@ -323,7 +326,8 @@ const tmplHTML = `
<head> <head>
<style> <style>
body { body {
background: black; color: white; background: black;
color: rgb(80, 80, 80);
} }
#legend { #legend {
margin: 20px 0; margin: 20px 0;
@ -334,9 +338,12 @@ const tmplHTML = `
border: 1px solid white; border: 1px solid white;
} }
#legend span { #legend span {
font-family: monospace;
margin: 0 5px; margin: 0 5px;
} }
pre, #legend span {
font-family: Menlo, monospace;
font-weight: bold;
}
{{colors}} {{colors}}
</style> </style>
</head> </head>
@ -361,8 +368,7 @@ const tmplHTML = `
<span class="cov7">*</span> <span class="cov7">*</span>
<span class="cov8">*</span> <span class="cov8">*</span>
<span class="cov9">*</span> <span class="cov9">*</span>
<span class="cov10">*</span> <span class="cov10">high coverage</span>
<span class="cov11">high coverage</span>
</div> </div>
</div> </div>
{{range $i, $f := .Files}} {{range $i, $f := .Files}}