add a getCaretPositions like getTextArray

Change-Id: I6f5ab6c659a7b6827c1c5f017a740173806504d9
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/101291
Tested-by: Jenkins
Reviewed-by: Caolán McNamara <caolanm@redhat.com>

1 files changed, 25 insertions, 0 deletions

diff --git a/drawinglayer/source/primitive2d/textlayoutdevice.cxx b/drawinglayer/source/primitive2d/textlayoutdevice.cxx
index fe541c04a9b3..b8ac0bf73c85 100644
--- a/drawinglayer/source/primitive2d/textlayoutdevice.cxx
+++ b/drawinglayer/source/primitive2d/textlayoutdevice.cxx
@@ -357,6 +357,31 @@ namespace drawinglayer::primitive2d
             return aRetval;
         }
 
+        std::vector< double > TextLayouterDevice::getCaretPositions(
+            const OUString& rText,
+            sal_uInt32 nIndex,
+            sal_uInt32 nLength) const
+        {
+            std::vector< double > aRetval;
+            sal_uInt32 nTextLength(nLength);
+            const sal_uInt32 nStringLength(rText.getLength());
+
+            if(nTextLength + nIndex > nStringLength)
+            {
+                nTextLength = nStringLength - nIndex;
+            }
+
+            if(nTextLength)
+            {
+                aRetval.reserve(2 * nTextLength);
+                std::vector<long> aArray(2 * nTextLength);
+                mrDevice.GetCaretPositions(rText, aArray.data(), nIndex, nLength);
+                aRetval.assign(aArray.begin(), aArray.end());
+            }
+
+            return aRetval;
+        }
+
 
 // helper methods for vcl font handling