Add more third_party libraries

nigeltao · Nov 1, 2022 · 6006edf · 6006edf
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diff --git a/third_party/fpng/LICENSE b/third_party/fpng/LICENSE
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+This is free and unencumbered software released into the public domain.
+
+Anyone is free to copy, modify, publish, use, compile, sell, or
+distribute this software, either in source code form or as a compiled
+binary, for any purpose, commercial or non-commercial, and by any
+means.
+
+In jurisdictions that recognize copyright laws, the author or authors
+of this software dedicate any and all copyright interest in the
+software to the public domain. We make this dedication for the benefit
+of the public at large and to the detriment of our heirs and
+successors. We intend this dedication to be an overt act of
+relinquishment in perpetuity of all present and future rights to this
+software under copyright law.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR
+OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+OTHER DEALINGS IN THE SOFTWARE.
+
+For more information, please refer to <http://unlicense.org/>
diff --git a/third_party/fpng/THIRD_PARTY_METADATA b/third_party/fpng/THIRD_PARTY_METADATA
@@ -0,0 +1,7 @@
+RemoteOrigin: https://github.com/richgel999/fpng.git
+License: Unlicense
+
+CommitHash: 6926f5a0a78f22d42b074a0ab8032e07736babd4
+CommitDate: 2022-01-11 16:01:37 -0500
+LocalModifications:
+None.
diff --git a/third_party/fpng/fpng.cpp b/third_party/fpng/fpng.cpp
diff --git a/third_party/fpng/fpng.h b/third_party/fpng/fpng.h
@@ -0,0 +1,122 @@
+// fpng.h - unlicense (see end of fpng.cpp)
+#pragma once
+
+#include <stdlib.h>
+#include <stdint.h>
+#include <vector>
+
+#ifndef FPNG_TRAIN_HUFFMAN_TABLES
+ // Set to 1 when using the -t (training) option in fpng_test to generate new opaque/alpha Huffman tables for the single pass encoder.
+ #define FPNG_TRAIN_HUFFMAN_TABLES (0)
+#endif
+
+namespace fpng
+{
+ // ---- Library initialization - call once to identify if the processor supports SSE.
+ // Otherwise you'll only get scalar fallbacks.
+ void fpng_init();
+
+ // ---- Useful Utilities
+
+ // Returns true if the CPU supports SSE 4.1, and SSE support wasn't disabled by setting FPNG_NO_SSE=1.
+ // fpng_init() must have been called first, or it'll assert and return false.
+ bool fpng_cpu_supports_sse41();
+
+ // Fast CRC-32 SSE4.1+pclmul or a scalar fallback (slice by 4)
+ const uint32_t FPNG_CRC32_INIT = 0;
+ uint32_t fpng_crc32(const void* pData, size_t size, uint32_t prev_crc32 = FPNG_CRC32_INIT);
+
+ // Fast Adler32 SSE4.1 Adler-32 with a scalar fallback.
+ const uint32_t FPNG_ADLER32_INIT = 1;
+ uint32_t fpng_adler32(const void* pData, size_t size, uint32_t adler = FPNG_ADLER32_INIT);
+
+ // ---- Compression
+ enum
+ {
+ // Enables computing custom Huffman tables for each file, instead of using the custom global tables. 
+ // Results in roughly 6% smaller files on average, but compression is around 40% slower.
+ FPNG_ENCODE_SLOWER = 1, 
+
+ // Only use raw Deflate blocks (no compression at all). Intended for testing.
+ FPNG_FORCE_UNCOMPRESSED = 2,
+ };
+
+ // Fast PNG encoding. The resulting file can be decoded either using a standard PNG decoder or by the fpng_decode_memory() function below.
+ // pImage: pointer to RGB or RGBA image pixels, R first in memory, B/A last.
+ // w/h - image dimensions. Image's row pitch in bytes must is w*num_chans.
+ // num_chans must be 3 or 4. 
+ bool fpng_encode_image_to_memory(const void* pImage, uint32_t w, uint32_t h, uint32_t num_chans, std::vector<uint8_t>& out_buf, uint32_t flags = 0);
+
+#ifndef FPNG_NO_STDIO
+ // Fast PNG encoding to the specified file.
+ bool fpng_encode_image_to_file(const char* pFilename, const void* pImage, uint32_t w, uint32_t h, uint32_t num_chans, uint32_t flags = 0);
+#endif
+
+ // ---- Decompression
+
+ enum
+ {
+ FPNG_DECODE_SUCCESS = 0, // file is a valid PNG file and written by FPNG and the decode succeeded
+
+ FPNG_DECODE_NOT_FPNG, // file is a valid PNG file, but it wasn't written by FPNG so you should try decoding it with a general purpose PNG decoder
+
+ FPNG_DECODE_INVALID_ARG, // invalid function parameter
+
+ FPNG_DECODE_FAILED_NOT_PNG, // file cannot be a PNG file
+ FPNG_DECODE_FAILED_HEADER_CRC32, // a chunk CRC32 check failed, file is likely corrupted or not PNG
+ FPNG_DECODE_FAILED_INVALID_DIMENSIONS, // invalid image dimensions in IHDR chunk (0 or too large)
+ FPNG_DECODE_FAILED_DIMENSIONS_TOO_LARGE, // decoding the file fully into memory would likely require too much memory (only on 32bpp builds)
+ FPNG_DECODE_FAILED_CHUNK_PARSING, // failed while parsing the chunk headers, or file is corrupted
+ FPNG_DECODE_FAILED_INVALID_IDAT, // IDAT data length is too small and cannot be valid, file is either corrupted or it's a bug
+
+ // fpng_decode_file() specific errors
+ FPNG_DECODE_FILE_OPEN_FAILED,
+ FPNG_DECODE_FILE_TOO_LARGE,
+ FPNG_DECODE_FILE_READ_FAILED,
+ FPNG_DECODE_FILE_SEEK_FAILED
+ };
+
+ // Fast PNG decoding of files ONLY created by fpng_encode_image_to_memory() or fpng_encode_image_to_file().
+ // If fpng_get_info() or fpng_decode_memory() returns FPNG_DECODE_NOT_FPNG, you should decode the PNG by falling back to a general purpose decoder.
+ //
+ // fpng_get_info() parses the PNG header and iterates through all chunks to determine if it's a file written by FPNG, but does not decompress the actual image data so it's relatively fast.
+ // 
+ // pImage, image_size: Pointer to PNG image data and its size
+ // width, height: output image's dimensions
+ // channels_in_file: will be 3 or 4
+ // 
+ // Returns FPNG_DECODE_SUCCESS on success, otherwise one of the failure codes above.
+ // If FPNG_DECODE_NOT_FPNG is returned, you must decompress the file with a general purpose PNG decoder.
+ // If another error occurs, the file is likely corrupted or invalid, but you can still try to decompress the file with another decoder (which will likely fail).
+ int fpng_get_info(const void* pImage, uint32_t image_size, uint32_t& width, uint32_t& height, uint32_t& channels_in_file);
+
+ // fpng_decode_memory() decompresses 24/32bpp PNG files ONLY encoded by this module.
+ // If the image was written by FPNG, it will decompress the image data, otherwise it will return FPNG_DECODE_NOT_FPNG in which case you should fall back to a general purpose PNG decoder (lodepng, stb_image, libpng, etc.)
+ //
+ // pImage, image_size: Pointer to PNG image data and its size
+ // out: Output 24/32bpp image buffer
+ // width, height: output image's dimensions
+ // channels_in_file: will be 3 or 4
+ // desired_channels: must be 3 or 4 
+ // 
+ // If the image is 24bpp and 32bpp is requested, the alpha values will be set to 0xFF. 
+ // If the image is 32bpp and 24bpp is requested, the alpha values will be discarded.
+ // 
+ // Returns FPNG_DECODE_SUCCESS on success, otherwise one of the failure codes above.
+ // If FPNG_DECODE_NOT_FPNG is returned, you must decompress the file with a general purpose PNG decoder.
+ // If another error occurs, the file is likely corrupted or invalid, but you can still try to decompress the file with another decoder (which will likely fail).
+ int fpng_decode_memory(const void* pImage, uint32_t image_size, std::vector<uint8_t>& out, uint32_t& width, uint32_t& height, uint32_t& channels_in_file, uint32_t desired_channels);
+
+#ifndef FPNG_NO_STDIO
+ int fpng_decode_file(const char* pFilename, std::vector<uint8_t>& out, uint32_t& width, uint32_t& height, uint32_t& channels_in_file, uint32_t desired_channels);
+#endif
+
+ // ---- Internal API used for Huffman table training purposes
+
+#if FPNG_TRAIN_HUFFMAN_TABLES
+ const uint32_t HUFF_COUNTS_SIZE = 288;
+ extern uint64_t g_huff_counts[HUFF_COUNTS_SIZE];
+ bool create_dynamic_block_prefix(uint64_t* pFreq, uint32_t num_chans, std::vector<uint8_t>& prefix, uint64_t& bit_buf, int& bit_buf_size, uint32_t *pCodes, uint8_t *pCodesizes);
+#endif
+
+} // namespace fpng
diff --git a/third_party/fpnge/LICENSE b/third_party/fpnge/LICENSE
@@ -0,0 +1,202 @@
+
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diff --git a/third_party/fpnge/THIRD_PARTY_METADATA b/third_party/fpnge/THIRD_PARTY_METADATA
@@ -0,0 +1,7 @@
+RemoteOrigin: https://github.com/veluca93/fpnge.git
+License: Apache-2.0
+
+CommitHash: 48020025e197318ab3c695903a4577e3d9565ddb
+CommitDate: 2022-09-02 21:06:18 +0200
+LocalModifications:
+None.