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+ before trying to write out snapshot image check if it's null

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This commit is contained in:
wmayer
2015-05-07 23:07:20 +02:00
parent c4cdfec855
commit 15de65eb71
2 changed files with 11 additions and 3 deletions
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12
src/Gui/SoFCOffscreenRenderer.cpp
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@@ -94,6 +94,12 @@ void SoFCOffscreenRenderer::writeToImage (QImage& img) const
void SoFCOffscreenRenderer::writeToImageFile(const char* filename, const char* comment, const SbMatrix& mat, const QImage& image)
{
if (image.isNull()) {
std::stringstream str;
str << "Cannot save null image.";
throw Base::ValueError(str.str());
}
Base::FileInfo file(filename);
if (file.hasExtension("JPG") || file.hasExtension("JPEG")) {
// writing comment in case of jpeg (Qt ignores setText() in case of jpeg)
@@ -163,13 +169,15 @@ void SoFCOffscreenRenderer::writeToImageFile(const char* filename, const char* c
f.close();
std::stringstream str;
str << "Cannot save image to file '" << filename << "'.";
throw Base::Exception(str.str());
throw Base::ValueError(str.str());
}
}
else {
std::stringstream str;
str << "Cannot open file '" << filename << "' for writing.";
throw Base::Exception(str.str());
Base::FileException e;
e.setMessage(str.str());
throw e;
}
}
//