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Differential D13361 Diff 45286 source/blender/functions/FN_generic_span.hh

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source/blender/functions/FN_generic_span.hh

Show First 20 Lines • Show All 87 Lines • ▼ Show 20 Lines public:
GSpan slice(const int64_t start, int64_t size) const GSpan slice(const int64_t start, int64_t size) const
{ {
BLI_assert(start >= 0); BLI_assert(start >= 0);
BLI_assert(size >= 0); BLI_assert(size >= 0);
const int64_t new_size = std::max<int64_t>(0, std::min(size, size_ - start)); const int64_t new_size = std::max<int64_t>(0, std::min(size, size_ - start));
return GSpan(*type_, POINTER_OFFSET(data_, type_->size() * start), new_size); return GSpan(*type_, POINTER_OFFSET(data_, type_->size() * start), new_size);
} }
GSpan slice(const IndexRange range) const
{
return this->slice(range.start(), range.size());
}
}; };
/** /**
* A generic mutable span. It behaves just like a blender::MutableSpan<T>, but the type is only * A generic mutable span. It behaves just like a blender::MutableSpan<T>, but the type is only
* known at run-time. * known at run-time.
*/ */
class GMutableSpan { class GMutableSpan {
protected: protected:
▲ Show 20 Lines • Show All 60 Lines • ▼ Show 20 Lines public:
GMutableSpan slice(const int64_t start, int64_t size) const GMutableSpan slice(const int64_t start, int64_t size) const
{ {
BLI_assert(start >= 0); BLI_assert(start >= 0);
BLI_assert(size >= 0); BLI_assert(size >= 0);
const int64_t new_size = std::max<int64_t>(0, std::min(size, size_ - start)); const int64_t new_size = std::max<int64_t>(0, std::min(size, size_ - start));
return GMutableSpan(*type_, POINTER_OFFSET(data_, type_->size() * start), new_size); return GMutableSpan(*type_, POINTER_OFFSET(data_, type_->size() * start), new_size);
} }
GMutableSpan slice(IndexRange range) const
{
return this->slice(range.start(), range.size());
}
}; };
} // namespace blender::fn } // namespace blender::fn