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xcf: Do not overflow int on the setDotsPerMeterX/Y call

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Albert Astals Cid 2019-01-27 12:27:03 +01:00
parent b8cb5e322c
commit 3dee6f7c47
1 changed files with 8 additions and 2 deletions
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10
src/imageformats/xcf.cpp
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@ -1432,8 +1432,14 @@ bool XCFImageFormat::initializeImage(XCFImage &xcf_image)
break;
}
image.setDotsPerMeterX((int)(xcf_image.x_resolution * INCHESPERMETER));
image.setDotsPerMeterY((int)(xcf_image.y_resolution * INCHESPERMETER));
const float dpmx = xcf_image.x_resolution * INCHESPERMETER;
if (dpmx > std::numeric_limits<int>::max())
return false;
const float dpmy = xcf_image.y_resolution * INCHESPERMETER;
if (dpmy > std::numeric_limits<int>::max())
return false;
image.setDotsPerMeterX((int)dpmx);
image.setDotsPerMeterY((int)dpmy);
return true;
}