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#include <mbgl/style/source_impl.hpp>
#include <mbgl/util/constants.hpp>
#include <mbgl/util/logging.hpp>
namespace mbgl {
namespace style {
namespace {
void WarnIfOverscaleFactorCapsPrefetchDelta(const optional<uint8_t>& overscale, const optional<uint8_t>& prefetch) {
const uint8_t prefetchDelta = std::max<uint8_t>(util::DEFAULT_PREFETCH_ZOOM_DELTA, prefetch.value_or(0u));
if (overscale && *overscale < prefetchDelta) {
Log::Warning(Event::Style, "Parent tile overscale factor will cap prefetch delta to %d", int(*overscale));
}
}
} // namespace
Source::Impl::Impl(SourceType type_, std::string id_)
: type(type_),
id(std::move(id_)) {
}
void Source::Impl::setPrefetchZoomDelta(optional<uint8_t> delta) noexcept {
prefetchZoomDelta = std::move(delta);
WarnIfOverscaleFactorCapsPrefetchDelta(maxOverscaleFactor, prefetchZoomDelta);
}
optional<uint8_t> Source::Impl::getPrefetchZoomDelta() const noexcept {
return prefetchZoomDelta;
}
void Source::Impl::setMaxOverscaleFactorForParentTiles(optional<uint8_t> overscaleFactor) noexcept {
maxOverscaleFactor = std::move(overscaleFactor);
WarnIfOverscaleFactorCapsPrefetchDelta(maxOverscaleFactor, prefetchZoomDelta);
}
optional<uint8_t> Source::Impl::getMaxOverscaleFactorForParentTiles() const noexcept {
return maxOverscaleFactor;
}
} // namespace style
} // namespace mbgl
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