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Sean Barrett ago%!(EXTRA string=8 years)
parent 37d767c0fc 56a61e178f
commit b577583fb9
1 changed files with 34 additions and 18 deletions
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  1. 52
      stb_image.h

52
stb_image.h
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@ -86,18 +86,18 @@ RECENT REVISION HISTORY:
Bug & warning fixes
Marc LeBlanc David Woo Guillaume George Martins Mozeiko
Christpher Lloyd Martin Golini Jerry Jansson Joseph Thomson
Dave Moore Roy Eltham Hayaki Saito Phil Jordan
Won Chun Luke Graham Johan Duparc Nathan Reed
the Horde3D community Thomas Ruf Ronny Chevalier Nick Verigakis
Janez Zemva John Bartholomew Michal Cichon github:svdijk
Jonathan Blow Ken Hamada Tero Hanninen Baldur Karlsson
Laurent Gomila Cort Stratton Sergio Gonzalez github:romigrou
Aruelien Pocheville Thibault Reuille Cass Everitt Matthew Gregan
Ryamond Barbiero Paul Du Bois Engin Manap github:snagar
Michaelangel007@github Oriol Ferrer Mesia Dale Weiler github:Zelex
Philipp Wiesemann Josh Tobin github:rlyeh github:grim210@github
Blazej Dariusz Roszkowski github:sammyhw Gregory Mullen
Christpher Lloyd Jerry Jansson Joseph Thomson Phil Jordan
Dave Moore Roy Eltham Hayaki Saito Nathan Reed
Won Chun Luke Graham Johan Duparc Nick Verigakis
the Horde3D community Thomas Ruf Ronny Chevalier Baldur Karlsson
Janez Zemva John Bartholomew Michal Cichon github:rlyeh
Jonathan Blow Ken Hamada Tero Hanninen github:romigrou
Laurent Gomila Cort Stratton Sergio Gonzalez github:svdijk
Aruelien Pocheville Thibault Reuille Cass Everitt github:snagar
Ryamond Barbiero Paul Du Bois Engin Manap github:Zelex
Michaelangel007@github Philipp Wiesemann Dale Weiler github:grim210
Oriol Ferrer Mesia Josh Tobin Matthew Gregan github:sammyhw
Blazej Dariusz Roszkowski Gregory Mullen github:phprus
*/
@ -3769,7 +3769,7 @@ stbi_inline static int stbi__bit_reverse(int v, int bits)
return stbi__bitreverse16(v) >> (16-bits);
}
static int stbi__zbuild_huffman(stbi__zhuffman *z, stbi_uc *sizelist, int num)
static int stbi__zbuild_huffman(stbi__zhuffman *z, const stbi_uc *sizelist, int num)
{
int i,k=0;
int code, next_code[16], sizes[17];
@ -4059,9 +4059,24 @@ static int stbi__parse_zlib_header(stbi__zbuf *a)
return 1;
}
// @TODO: should statically initialize these for optimal thread safety
static stbi_uc stbi__zdefault_length[288], stbi__zdefault_distance[32];
static void stbi__init_zdefaults(void)
static const stbi_uc stbi__zdefault_length[288] =
{
8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8, 8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,
8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8, 8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,
8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8, 8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,
8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8, 8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,
8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8, 9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,
9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9, 9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,
9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9, 9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,
9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9, 9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,
7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7, 7,7,7,7,7,7,7,7,8,8,8,8,8,8,8,8
};
static const stbi_uc stbi__zdefault_distance[32] =
{
5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5
};
/*
Init algorithm:
{
int i; // use <= to match clearly with spec
for (i=0; i <= 143; ++i) stbi__zdefault_length[i] = 8;
@ -4071,6 +4086,7 @@ static void stbi__init_zdefaults(void)
for (i=0; i <= 31; ++i) stbi__zdefault_distance[i] = 5;
}
*/
static int stbi__parse_zlib(stbi__zbuf *a, int parse_header)
{
@ -4089,7 +4105,6 @@ static int stbi__parse_zlib(stbi__zbuf *a, int parse_header)
} else {
if (type == 1) {
// use fixed code lengths
if (!stbi__zdefault_distance[31]) stbi__init_zdefaults();
if (!stbi__zbuild_huffman(&a->z_length , stbi__zdefault_length , 288)) return 0;
if (!stbi__zbuild_huffman(&a->z_distance, stbi__zdefault_distance, 32)) return 0;
} else {
@ -6953,7 +6968,8 @@ STBIDEF int stbi_info_from_callbacks(stbi_io_callbacks const *c, void *user, int
revision history:
2.15 (2017-03-18) fix png-1,2,4 bug; now all Imagenet JPGs decode;
warning fixes; disable run-time SSE detection on gcc;
uniform handling of optional "return" values
uniform handling of optional "return" values;
thread-safe initialization of zlib tables
2.14 (2017-03-03) remove deprecated STBI_JPEG_OLD; fixes for Imagenet JPGs
2.13 (2016-11-29) add 16-bit API, only supported for PNG right now
2.12 (2016-04-02) fix typo in 2.11 PSD fix that caused crashes

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