Separate out hocr parts from line parts

1 files changed, 51 insertions, 0 deletions

diff --git a/parse/line.go b/parse/line.go
new file mode 100644
index 0000000..3ddde76
--- /dev/null
+++ b/parse/line.go
@@ -0,0 +1,51 @@
+package parse
+
+// TODO: integrate in line-conf-buckets linedetail
+// TODO: add BucketUp() function here that does what both line-conf-buckets-tess.go
+//       and line-conf-buckets.go do
+// TODO: consider naming this package line, and separating it from hocr and prob
+
+import (
+	"image"
+	"image/png"
+	"io"
+)
+
+type LineDetail struct {
+	Name string
+	Avgconf float64
+	Img CopyableLine
+	Text string
+	Hocrname string
+}
+
+type CopyableLine interface {
+	CopyLineTo(io.Writer) (error)
+}
+
+// This is an implementation of the CopyableLine interface that
+// stores the image directly as an image.Image
+type ImgDirect struct {
+	Img image.Image
+}
+
+func (i ImgDirect) CopyLineTo(w io.Writer) (error) {
+	err := png.Encode(w, i.Img)
+	if err != nil {
+		return err
+	}
+	return nil
+}
+
+type LineDetails []LineDetail
+
+// Used by sort.Sort.
+func (l LineDetails) Len() int { return len(l) }
+
+// Used by sort.Sort.
+func (l LineDetails) Less(i, j int) bool {
+	return l[i].Avgconf < l[j].Avgconf
+}
+
+// Used by sort.Sort.
+func (l LineDetails) Swap(i, j int) { l[i], l[j] = l[j], l[i] }