Malin/ZPLify
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add examples and test cases

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This commit is contained in:
Simon Waldherr
2018-10-19 20:51:21 +02:00
parent ac541f60b5
commit 4cf804ae09
4 changed files with 34 additions and 9 deletions
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9
zplgfa.go
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@@ -87,7 +87,8 @@ func getRepeatCode(repeatCount int, char string) string {
return repeatStr
}
func compressASCII(in string) string {
// CompressASCII compresses the ASCII data of a ZPL Graphic Field using RLE
func CompressASCII(in string) string {
in = strings.ToUpper(in)
var curChar string
var lastChar string
@@ -112,7 +113,7 @@ func compressASCII(in string) string {
curChar = string(in[i])
}
if lastChar != curChar {
if i-lastCharSince > 8 {
if i-lastCharSince > 4 {
repCode = getRepeatCode(i-lastCharSince, lastChar)
output += repCode
} else {
@@ -175,7 +176,7 @@ func ConvertToGraphicField(source image.Image, graphicType GraphicType) string {
case ASCII:
GraphicFieldData += fmt.Sprintln(hexstr)
case CompressedASCII:
curLine := compressASCII(hexstr)
curLine := CompressASCII(hexstr)
if lastLine == curLine {
GraphicFieldData += ":"
} else {
@@ -186,7 +187,7 @@ func ConvertToGraphicField(source image.Image, graphicType GraphicType) string {
GraphicFieldData += fmt.Sprintf("%s", line)
default:
graphicType = CompressedASCII
GraphicFieldData += fmt.Sprintln(compressASCII(hexstr))
GraphicFieldData += fmt.Sprintln(CompressASCII(hexstr))
}
}