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authorNick White <git@njw.name>2019-10-31 12:45:01 +0000
committerNick White <git@njw.name>2019-10-31 12:45:01 +0000
commit2c65294498ce09771b88fd0ee027019fe2678d5a (patch)
tree6f6eb20f65807f3e1ea46f382251260e1f260ab5 /cmd
parenta243b1f54156657b1f985a25142ebf9d2da20aa9 (diff)
Add flag to switch between binarised and colour output
Diffstat (limited to 'cmd')
-rw-r--r--cmd/pdfbook/main.go21
1 files changed, 12 insertions, 9 deletions
diff --git a/cmd/pdfbook/main.go b/cmd/pdfbook/main.go
index 3146865..4dc2c93 100644
--- a/cmd/pdfbook/main.go
+++ b/cmd/pdfbook/main.go
@@ -26,7 +26,7 @@ func pxToPt(i int) float64 {
return float64(i) / pageWidth
}
-func walker(pdf Pdfer) filepath.WalkFunc {
+func walker(pdf Pdfer, colour bool) filepath.WalkFunc {
return func(fpath string, info os.FileInfo, err error) error {
if info.IsDir() {
return nil
@@ -34,11 +34,14 @@ func walker(pdf Pdfer) filepath.WalkFunc {
if !strings.HasSuffix(fpath, ".hocr") {
return nil
}
- // TODO: handle jpg or binarised versions according to a flag
imgpath := ""
- p := strings.SplitN(path.Base(fpath), "_bin", 2)
- if len(p) > 1 {
- imgpath = path.Join(path.Dir(fpath), p[0] + ".jpg")
+ if colour {
+ p := strings.SplitN(path.Base(fpath), "_bin", 2)
+ if len(p) > 1 {
+ imgpath = path.Join(path.Dir(fpath), p[0] + ".jpg")
+ } else {
+ imgpath = strings.TrimSuffix(fpath, ".hocr") + ".jpg"
+ }
} else {
imgpath = strings.TrimSuffix(fpath, ".hocr") + ".png"
}
@@ -48,10 +51,10 @@ func walker(pdf Pdfer) filepath.WalkFunc {
func main() {
// TODO: handle best
- // TODO: take flags to do colour or binarised
- // TODO: probably also take flags to resize / change quality in due course
+ // TODO: probably take flags to resize / change quality in due course
+ colour := flag.Bool("c", false, "colour")
flag.Usage = func() {
- fmt.Fprintln(flag.CommandLine.Output(), "Usage: pdfbook hocrdir out.pdf")
+ fmt.Fprintln(flag.CommandLine.Output(), "Usage: pdfbook [-c] hocrdir out.pdf")
flag.PrintDefaults()
}
flag.Parse()
@@ -64,7 +67,7 @@ func main() {
pdf := new(bookpipeline.Fpdf)
pdf.Setup()
- err := filepath.Walk(flag.Arg(0), walker(pdf))
+ err := filepath.Walk(flag.Arg(0), walker(pdf, *colour))
if err != nil {
log.Fatalln("Failed to walk", flag.Arg(0), err)
}