From 6aa59a1af29c21e0ece37fc94c66bc2999ed3540 Mon Sep 17 00:00:00 2001
From: Ri Xu <xuri.me@gmail.com>
Date: Mon, 24 Jul 2017 10:26:02 +0800
Subject: - Init insert/remove column/row support. Relate issue #77 and #82; -
 Readme and go test updated

---
 picture.go | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

(limited to 'picture.go')

diff --git a/picture.go b/picture.go
index 3ae309d..f221616 100644
--- a/picture.go
+++ b/picture.go
@@ -127,6 +127,23 @@ func (f *File) addSheetRelationships(sheet, relType, target, targetMode string)
 	return rID
 }
 
+// deleteSheetRelationships provides function to delete relationships in
+// xl/worksheets/_rels/sheet%d.xml.rels by given sheet name and relationship
+// index.
+func (f *File) deleteSheetRelationships(sheet, rID string) {
+	var rels = "xl/worksheets/_rels/" + strings.ToLower(sheet) + ".xml.rels"
+	var sheetRels xlsxWorkbookRels
+	xml.Unmarshal([]byte(f.readXML(rels)), &sheetRels)
+	for k, v := range sheetRels.Relationships {
+		if v.ID != rID {
+			continue
+		}
+		sheetRels.Relationships = append(sheetRels.Relationships[:k], sheetRels.Relationships[k+1:]...)
+	}
+	output, _ := xml.Marshal(sheetRels)
+	f.saveFileList(rels, string(output))
+}
+
 // addSheetLegacyDrawing provides function to add legacy drawing element to
 // xl/worksheets/sheet%d.xml by given sheet name and relationship index.
 func (f *File) addSheetLegacyDrawing(sheet string, rID int) {
-- 
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