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History of Idiom 154 > diff from v2 to v3

Edit summary for version 3 by programming-idioms.org:
[Go] Better wording concision -> conciseness
↷

Version 2

2016-10-30, 01:22:55

Version 3

2016-10-30, 21:13:15

Idiom #154 Halfway between two hex color codes

Find color c, the average between colors c1, c2.

c, c1, c2 are strings of hex color codes: 7 chars, beginning with a number sign # .

Idiom #154 Halfway between two hex color codes

Find color c, the average between colors c1, c2.

c, c1, c2 are strings of hex color codes: 7 chars, beginning with a number sign # .

Extra Keywords
hexa css avg mean
Extra Keywords
hexa css avg mean
Imports 
import "fmt"
import "strings"
Imports 
import "fmt"
import "strings"
Code 
r1, _ := strconv.ParseInt(c1[1:3], 16, 0)
r2, _ := strconv.ParseInt(c2[1:3], 16, 0)
r := (r1 + r2) / 2

g1, _ := strconv.ParseInt(c1[3:5], 16, 0)
g2, _ := strconv.ParseInt(c2[3:5], 16, 0)
g := (g1 + g2) / 2

b1, _ := strconv.ParseInt(c1[5:7], 16, 0)
b2, _ := strconv.ParseInt(c2[5:7], 16, 0)
b := (b1 + b2) / 2

c := fmt.Sprintf("#%02X%02X%02X", r, g, b)
Code 
r1, _ := strconv.ParseInt(c1[1:3], 16, 0)
r2, _ := strconv.ParseInt(c2[1:3], 16, 0)
r := (r1 + r2) / 2

g1, _ := strconv.ParseInt(c1[3:5], 16, 0)
g2, _ := strconv.ParseInt(c2[3:5], 16, 0)
g := (g1 + g2) / 2

b1, _ := strconv.ParseInt(c1[5:7], 16, 0)
b2, _ := strconv.ParseInt(c2[5:7], 16, 0)
b := (b1 + b2) / 2

c := fmt.Sprintf("#%02X%02X%02X", r, g, b)
Comments bubble
For concision this assumes that input validity has already been checked, so we omit some returned errors.
Comments bubble
For conciseness this assumes that input validity has already been checked, so we omit some returned errors.
Doc URL
http://stackoverflow.com/a/14482509/871134
Doc URL
http://stackoverflow.com/a/14482509/871134
Demo URL
https://play.golang.org/p/Q9kFLdxF0B
Demo URL
https://play.golang.org/p/Q9kFLdxF0B