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authorsanine <sanine.not@pm.me>2022-04-16 11:55:54 -0500
committersanine <sanine.not@pm.me>2022-04-16 11:55:54 -0500
commit8fb7916a0d0cb007a4c3a4e6a31af58765268ca3 (patch)
tree52b5524a94a5b04e17a1fd7f8aca988ab6d0c75f /src/mesh/assimp-master/code/Common/Compression.cpp
parentdb81b925d776103326128bf629cbdda576a223e7 (diff)
delete src/mesh/assimp-master
Diffstat (limited to 'src/mesh/assimp-master/code/Common/Compression.cpp')
-rw-r--r--src/mesh/assimp-master/code/Common/Compression.cpp214
1 files changed, 0 insertions, 214 deletions
diff --git a/src/mesh/assimp-master/code/Common/Compression.cpp b/src/mesh/assimp-master/code/Common/Compression.cpp
deleted file mode 100644
index 3bf306d..0000000
--- a/src/mesh/assimp-master/code/Common/Compression.cpp
+++ /dev/null
@@ -1,214 +0,0 @@
-/*
-Open Asset Import Library (assimp)
-----------------------------------------------------------------------
-
-Copyright (c) 2006-2022, assimp team
-
-All rights reserved.
-
-Redistribution and use of this software in source and binary forms,
-with or without modification, are permitted provided that the
-following conditions are met:
-
-* Redistributions of source code must retain the above
- copyright notice, this list of conditions and the
- following disclaimer.
-
-* Redistributions in binary form must reproduce the above
- copyright notice, this list of conditions and the
- following disclaimer in the documentation and/or other
- materials provided with the distribution.
-
-* Neither the name of the assimp team, nor the names of its
- contributors may be used to endorse or promote products
- derived from this software without specific prior
- written permission of the assimp team.
-
-THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-----------------------------------------------------------------------
-*/
-
-#include "Compression.h"
-#include <assimp/ai_assert.h>
-#include <assimp/Exceptional.h>
-
-namespace Assimp {
-
-struct Compression::impl {
- bool mOpen;
- z_stream mZSstream;
- FlushMode mFlushMode;
-
- impl() :
- mOpen(false),
- mZSstream(),
- mFlushMode(Compression::FlushMode::NoFlush) {
- // empty
- }
-};
-
-Compression::Compression() :
- mImpl(new impl) {
- // empty
-}
-
-Compression::~Compression() {
- ai_assert(mImpl != nullptr);
-
- delete mImpl;
-}
-
-bool Compression::open(Format format, FlushMode flush, int windowBits) {
- ai_assert(mImpl != nullptr);
-
- if (mImpl->mOpen) {
- return false;
- }
-
- // build a zlib stream
- mImpl->mZSstream.opaque = Z_NULL;
- mImpl->mZSstream.zalloc = Z_NULL;
- mImpl->mZSstream.zfree = Z_NULL;
- mImpl->mFlushMode = flush;
- if (format == Format::Binary) {
- mImpl->mZSstream.data_type = Z_BINARY;
- } else {
- mImpl->mZSstream.data_type = Z_ASCII;
- }
-
- // raw decompression without a zlib or gzip header
- if (windowBits == 0) {
- inflateInit(&mImpl->mZSstream);
- } else {
- inflateInit2(&mImpl->mZSstream, windowBits);
- }
- mImpl->mOpen = true;
-
- return mImpl->mOpen;
-}
-
-static int getFlushMode(Compression::FlushMode flush) {
- int z_flush = 0;
- switch (flush) {
- case Compression::FlushMode::NoFlush:
- z_flush = Z_NO_FLUSH;
- break;
- case Compression::FlushMode::Block:
- z_flush = Z_BLOCK;
- break;
- case Compression::FlushMode::Tree:
- z_flush = Z_TREES;
- break;
- case Compression::FlushMode::SyncFlush:
- z_flush = Z_SYNC_FLUSH;
- break;
- case Compression::FlushMode::Finish:
- z_flush = Z_FINISH;
- break;
- default:
- ai_assert(false);
- break;
- }
-
- return z_flush;
-}
-
-constexpr size_t MYBLOCK = 32786;
-
-size_t Compression::decompress(const void *data, size_t in, std::vector<char> &uncompressed) {
- ai_assert(mImpl != nullptr);
- if (data == nullptr || in == 0) {
- return 0l;
- }
-
- mImpl->mZSstream.next_in = (Bytef*)(data);
- mImpl->mZSstream.avail_in = (uInt)in;
-
- int ret = 0;
- size_t total = 0l;
- const int flushMode = getFlushMode(mImpl->mFlushMode);
- if (flushMode == Z_FINISH) {
- mImpl->mZSstream.avail_out = static_cast<uInt>(uncompressed.size());
- mImpl->mZSstream.next_out = reinterpret_cast<Bytef *>(&*uncompressed.begin());
- ret = inflate(&mImpl->mZSstream, Z_FINISH);
-
- if (ret != Z_STREAM_END && ret != Z_OK) {
- throw DeadlyImportError("Compression", "Failure decompressing this file using gzip.");
- }
- total = mImpl->mZSstream.avail_out;
- } else {
- do {
- Bytef block[MYBLOCK] = {};
- mImpl->mZSstream.avail_out = MYBLOCK;
- mImpl->mZSstream.next_out = block;
-
- ret = inflate(&mImpl->mZSstream, flushMode);
-
- if (ret != Z_STREAM_END && ret != Z_OK) {
- throw DeadlyImportError("Compression", "Failure decompressing this file using gzip.");
- }
- const size_t have = MYBLOCK - mImpl->mZSstream.avail_out;
- total += have;
- uncompressed.resize(total);
- ::memcpy(uncompressed.data() + total - have, block, have);
- } while (ret != Z_STREAM_END);
- }
-
- return total;
-}
-
-size_t Compression::decompressBlock(const void *data, size_t in, char *out, size_t availableOut) {
- ai_assert(mImpl != nullptr);
- if (data == nullptr || in == 0 || out == nullptr || availableOut == 0) {
- return 0l;
- }
-
- // push data to the stream
- mImpl->mZSstream.next_in = (Bytef *)data;
- mImpl->mZSstream.avail_in = (uInt)in;
- mImpl->mZSstream.next_out = (Bytef *)out;
- mImpl->mZSstream.avail_out = (uInt)availableOut;
-
- // and decompress the data ....
- int ret = ::inflate(&mImpl->mZSstream, Z_SYNC_FLUSH);
- if (ret != Z_OK && ret != Z_STREAM_END) {
- throw DeadlyImportError("X: Failed to decompress MSZIP-compressed data");
- }
-
- ::inflateReset(&mImpl->mZSstream);
- ::inflateSetDictionary(&mImpl->mZSstream, (const Bytef *)out, (uInt)availableOut - mImpl->mZSstream.avail_out);
-
- return availableOut - (size_t)mImpl->mZSstream.avail_out;
-}
-
-bool Compression::isOpen() const {
- ai_assert(mImpl != nullptr);
-
- return mImpl->mOpen;
-}
-
-bool Compression::close() {
- ai_assert(mImpl != nullptr);
-
- if (!mImpl->mOpen) {
- return false;
- }
-
- inflateEnd(&mImpl->mZSstream);
- mImpl->mOpen = false;
-
- return true;
-}
-
-} // namespace Assimp