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Compress individual features in the temporary files

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Erica Fischer
2023-01-24 13:24:36 -08:00
parent 21c946dd49
commit 484dc27c5e
6 changed files with 46 additions and 18 deletions
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mvt.cpp
+2 -2
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@@ -82,14 +82,14 @@ int decompress(std::string const &input, std::string &output) {
}
// https://github.com/mapbox/mapnik-vector-tile/blob/master/src/vector_tile_compression.hpp
int compress(std::string const &input, std::string &output) {
int compress(std::string const &input, std::string &output, bool gz) {
z_stream deflate_s;
deflate_s.zalloc = Z_NULL;
deflate_s.zfree = Z_NULL;
deflate_s.opaque = Z_NULL;
deflate_s.avail_in = 0;
deflate_s.next_in = Z_NULL;
deflateInit2(&deflate_s, Z_BEST_COMPRESSION, Z_DEFLATED, 31, 8, Z_DEFAULT_STRATEGY);
deflateInit2(&deflate_s, Z_BEST_COMPRESSION, Z_DEFLATED, gz ? 31 : 15, 8, Z_DEFAULT_STRATEGY);
deflate_s.next_in = (Bytef *) input.data();
deflate_s.avail_in = input.size();
size_t length = 0;