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common picture: ++ exception case.
size() returns InsufficientCondition if it doesn't have any loaded data.
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@ -85,6 +85,7 @@ Result Picture::size(float w, float h) noexcept
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Result Picture::size(float* w, float* h) const noexcept
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{
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if (!pImpl->loader) return Result::InsufficientCondition;
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if (w) *w = pImpl->w;
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if (h) *h = pImpl->h;
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return Result::Success;
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