diff options
Diffstat (limited to 'vcl')
| -rw-r--r-- | vcl/source/filter/png/PngImageWriter.cxx | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/vcl/source/filter/png/PngImageWriter.cxx b/vcl/source/filter/png/PngImageWriter.cxx index 0438ea7645a2..35ccefaec2c7 100644 --- a/vcl/source/filter/png/PngImageWriter.cxx +++ b/vcl/source/filter/png/PngImageWriter.cxx @@ -170,9 +170,12 @@ static bool pngWrite(SvStream& rStream, const BitmapEx& rBitmapEx, int nCompress if (aBitmapEx.GetPrefMapMode().GetMapUnit() == MapUnit::Map100thMM) { Size aPrefSize(aBitmapEx.GetPrefSize()); - sal_uInt32 nPrefSizeX = o3tl::convert(aSize.Width(), 100000, aPrefSize.Width()); - sal_uInt32 nPrefSizeY = o3tl::convert(aSize.Height(), 100000, aPrefSize.Height()); - png_set_pHYs(pPng, pInfo, nPrefSizeX, nPrefSizeY, 1); + if (aPrefSize.Width() && aPrefSize.Height()) + { + sal_uInt32 nPrefSizeX = o3tl::convert(aSize.Width(), 100000, aPrefSize.Width()); + sal_uInt32 nPrefSizeY = o3tl::convert(aSize.Height(), 100000, aPrefSize.Height()); + png_set_pHYs(pPng, pInfo, nPrefSizeX, nPrefSizeY, 1); + } } png_set_compression_level(pPng, nCompressionLevel); |