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update lodepng to 20190814 version from mainstream.

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git-svn-id: svn://svn.code.sf.net/p/quakespasm/code/trunk/quakespasm@1619 af15c1b1-3010-417e-b628-4374ebc0bcbd
This commit is contained in:
Ozkan Sezer 2019-08-15 12:01:54 +00:00
parent 0e6d131547
commit 92758e8591
3 changed files with 385 additions and 229 deletions
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2
Quake/image.c
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@ -588,7 +588,7 @@ qboolean Image_WritePNG (const char *name, byte *data, int width, int height, in
error = lodepng_encode (&png, &pngsize, flipped, width, height, &state);
if (error == 0) lodepng_save_file (png, pngsize, pathname);
#ifdef LODEPNG_COMPILE_ERROR_TEXT
else Con_Printf("WritePNG: %s\n", lodepng_error_text());
else Con_Printf("WritePNG: %s\n", lodepng_error_text (error));
#endif
lodepng_state_cleanup (&state);

590
Quake/lodepng.c
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File diff suppressed because it is too large Load diff

22
Quake/lodepng.h
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@ -1,5 +1,5 @@
/*
LodePNG version 20190714
LodePNG version 20190814
Copyright (c) 2005-2019 Lode Vandevenne
@ -95,13 +95,19 @@ source files with custom allocators.*/
#endif /*LODEPNG_COMPILE_CPP*/
#ifdef LODEPNG_COMPILE_PNG
/*The PNG color types (also used for raw).*/
/*The PNG color types (also used for raw image).*/
typedef enum LodePNGColorType {
LCT_GREY = 0, /*grayscale: 1,2,4,8,16 bit*/
LCT_RGB = 2, /*RGB: 8,16 bit*/
LCT_PALETTE = 3, /*palette: 1,2,4,8 bit*/
LCT_GREY_ALPHA = 4, /*grayscale with alpha: 8,16 bit*/
LCT_RGBA = 6 /*RGB with alpha: 8,16 bit*/
LCT_RGBA = 6, /*RGB with alpha: 8,16 bit*/
/*LCT_MAX_OCTET_VALUE lets the compiler allow this enum to represent any invalid
byte value from 0 to 255 that could be present in an invalid PNG file header. Do
not use, compare with or set the name LCT_MAX_OCTET_VALUE, instead either use
the valid color type names above, or numeric values like 1 or 7 when checking for
particular disallowed color type byte values, or cast to integer to print it.*/
LCT_MAX_OCTET_VALUE = 255
} LodePNGColorType;
#ifdef LODEPNG_COMPILE_DECODER
@ -644,7 +650,12 @@ void lodepng_decoder_settings_init(LodePNGDecoderSettings* settings);
/*automatically use color type with less bits per pixel if losslessly possible. Default: AUTO*/
typedef enum LodePNGFilterStrategy {
/*every filter at zero*/
LFS_ZERO,
LFS_ZERO = 0,
/*every filter at 1, 2, 3 or 4 (paeth), unlike LFS_ZERO not a good choice, but for testing*/
LFS_ONE = 1,
LFS_TWO = 2,
LFS_THREE = 3,
LFS_FOUR = 4,
/*Use filter that gives minimum sum, as described in the official PNG filter heuristic.*/
LFS_MINSUM,
/*Use the filter type that gives smallest Shannon entropy for this scanline. Depending
@ -1774,8 +1785,9 @@ yyyymmdd.
Some changes aren't backwards compatible. Those are indicated with a (!)
symbol.
*) 14 aug 2019: around 25% faster decoding thanks to huffman lookup tables.
*) 15 jun 2019 (!): auto_choose_color API changed (for bugfix: don't use palette
if ICC profile) and non-ICC LodePNGColorProfile renamed to LodePNGColorStats.
if gray ICC profile) and non-ICC LodePNGColorProfile renamed to LodePNGColorStats.
*) 30 dec 2018: code style changes only: removed newlines before opening braces.
*) 10 sep 2018: added way to inspect metadata chunks without full decoding.
*) 19 aug 2018 (!): fixed color mode bKGD is encoded with and made it use