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authorCaolán McNamara <caolanm@redhat.com>2015-10-02 11:25:29 +0100
committerMiklos Vajna <vmiklos@collabora.co.uk>2015-10-08 07:32:42 +0000
commit92eed31707e655e484e263fee2b0c0ae93d73748 (patch)
tree71623103ac1c0b38f8acbb5ea3415d82d9293f21
parent48a7d0492dbae60d644dd7be9b1b0826fdf36f63 (diff)
Resolves: tdf#92993 access violation on particular .docx on glyph layout
Change-Id: I69dfd6747e37ddb1727dd41b99d1b70eaed83425 (cherry picked from commit ae850353151cd6a79f7b4a012d0a411013c841a4) Reviewed-on: https://gerrit.libreoffice.org/19095 Reviewed-by: Miklos Vajna <vmiklos@collabora.co.uk> Tested-by: Miklos Vajna <vmiklos@collabora.co.uk>
-rw-r--r--vcl/source/gdi/sallayout.cxx6
1 files changed, 4 insertions, 2 deletions
diff --git a/vcl/source/gdi/sallayout.cxx b/vcl/source/gdi/sallayout.cxx
index 69d162ffd76b..4bd388d38b4c 100644
--- a/vcl/source/gdi/sallayout.cxx
+++ b/vcl/source/gdi/sallayout.cxx
@@ -1720,8 +1720,9 @@ void MultiSalLayout::AdjustLayout( ImplLayoutArgs& rArgs )
maFallbackRuns[n].ResetPos();
// get the next codepoint index that needs fallback
int nActiveCharPos = nCharPos[0];
+ int nActiveCharIndex = nActiveCharPos - mnMinCharPos;
// get the end index of the active run
- int nLastRunEndChar = (vRtl[nActiveCharPos - mnMinCharPos])?
+ int nLastRunEndChar = (nActiveCharIndex >= 0 && vRtl[nActiveCharIndex]) ?
rArgs.mnEndCharPos : rArgs.mnMinCharPos - 1;
int nRunVisibleEndChar = nCharPos[0];
// merge the fallback levels
@@ -1870,7 +1871,8 @@ void MultiSalLayout::AdjustLayout( ImplLayoutArgs& rArgs )
if( !bLTR )
nOldRunAdv = -nOldRunAdv;
#endif
- if (vRtl[nActiveCharPos - mnMinCharPos])
+ nActiveCharIndex = nActiveCharPos - mnMinCharPos;
+ if (nActiveCharIndex >= 0 && vRtl[nActiveCharIndex])
{
if (nRunVisibleEndChar > mnMinCharPos && nRunVisibleEndChar <= mnEndCharPos)
nRunAdvance -= aMultiArgs.mpDXArray[nRunVisibleEndChar - 1 - mnMinCharPos];