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| author | Eike Rathke <erack@redhat.com> | 2017-09-19 14:31:11 +0200 |
|---|---|---|
| committer | Eike Rathke <erack@redhat.com> | 2017-09-19 14:41:51 +0200 |
| commit | dc49b07446f15dd68a7469d4619954f5e13f6c17 (patch) | |
| tree | fac45e2502953433a4b406fe1b57b628ff990b0c /svtools | |
| parent | fd0fff67798fea87217e65bb1561aa0d0e741c51 (diff) | |
renderToGraphic: assert document and target size
Specifically a document width or height of 0 leads to div/0 =>
-nan(0x8000000000000) => MapMode with 2147483648 => Fraction numerator
overflow assert. Catch already here.
Change-Id: I06588c64104733c2df8c2e1d6983ad95c9a74e57
Diffstat (limited to 'svtools')
| -rw-r--r-- | svtools/source/filter/DocumentToGraphicRenderer.cxx | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/svtools/source/filter/DocumentToGraphicRenderer.cxx b/svtools/source/filter/DocumentToGraphicRenderer.cxx index 93b6000029e9..e5885f618df2 100644 --- a/svtools/source/filter/DocumentToGraphicRenderer.cxx +++ b/svtools/source/filter/DocumentToGraphicRenderer.cxx @@ -131,6 +131,9 @@ Graphic DocumentToGraphicRenderer::renderToGraphic( if (!xDevice.is()) return Graphic(); + assert( aDocumentSizePixel.Width() > 0 && aDocumentSizePixel.Height() > 0 && + aTargetSizePixel.Width() > 0 && aTargetSizePixel.Height() > 0); + double fScaleX = aTargetSizePixel.Width() / (double) aDocumentSizePixel.Width(); double fScaleY = aTargetSizePixel.Height() / (double) aDocumentSizePixel.Height(); |