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Imported from libpng-0.88.tar

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Guy Schalnat
1996-01-26 01:38:47 -06:00
committed by Glenn Randers-Pehrson
parent 4ee97b0891
commit b2e01bd505
36 changed files with 3932 additions and 2578 deletions
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30
png.h
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@@ -1,8 +1,8 @@
/* png.h - header file for png reference library
libpng 1.0 beta 2 - version 0.87
Jan 15, 1996
libpng 1.0 beta 2 - version 0.88
Jan 25, 1996
Note: This is a beta version. It reads and writes valid files
on the platforms I have, but it has had limited portability
@@ -27,7 +27,7 @@
with testing, bug fixes, and patience. You know who you are. This
wouldn't have been possible without all of you.
Thanks to Frank J. T. Wojcik for reviewing the documentation
Thanks to Frank J. T. Wojcik for helping with the documentation
The PNG Reference Library is supplied "AS IS". The Contributing Authors
and Group 42, Inc. disclaim all warranties, expressed or implied,
@@ -41,9 +41,9 @@
to the following restrictions:
1. The origin of this source code must not be misrepresented.
2. Altered versions must be plainly marked as such and must not be
misrepresented as being the original source.
misrepresented as being the original source.
3. This Copyright notice may not be removed or altered from any source or
altered source distribution.
altered source distribution.
The Contributing Authors and Group 42, Inc. specifically permit, without
fee, and encourage the use of this source code as a component to
@@ -74,10 +74,10 @@
/* version information for png.h - this should match the version
number in png.c */
#define PNG_LIBPNG_VER_STRING "0.87"
/* careful here. I wanted to use 087, but that would be octal. Version
#define PNG_LIBPNG_VER_STRING "0.88"
/* careful here. I wanted to use 088, but that would be octal. Version
1.0 will be 100 here, etc. */
#define PNG_LIBPNG_VER 87
#define PNG_LIBPNG_VER 88
/* variables defined in png.c - only it needs to define PNG_NO_EXTERN */
#ifndef PNG_NO_EXTERN
@@ -99,7 +99,7 @@ typedef struct png_color_struct
png_byte green;
png_byte blue;
} png_color;
typedef png_color FAR * png_colorp;
typedef png_color FAR * png_colorp;
typedef png_color FAR * FAR * png_colorpp;
typedef struct png_color_16_struct
@@ -110,7 +110,7 @@ typedef struct png_color_16_struct
png_uint_16 blue;
png_uint_16 gray; /* for use in grayscale files */
} png_color_16;
typedef png_color_16 FAR * png_color_16p;
typedef png_color_16 FAR * png_color_16p;
typedef png_color_16 FAR * FAR * png_color_16pp;
typedef struct png_color_8_struct
@@ -121,7 +121,7 @@ typedef struct png_color_8_struct
png_byte gray; /* for use in grayscale files */
png_byte alpha; /* for alpha channel files */
} png_color_8;
typedef png_color_8 FAR * png_color_8p;
typedef png_color_8 FAR * png_color_8p;
typedef png_color_8 FAR * FAR * png_color_8pp;
/* png_text holds the text in a png file, and whether they are compressed
@@ -133,7 +133,7 @@ typedef struct png_text_struct
png_charp text; /* comment */
png_uint_32 text_length; /* length of text field */
} png_text;
typedef png_text FAR * png_textp;
typedef png_text FAR * png_textp;
typedef png_text FAR * FAR * png_textpp;
/* png_time is a way to hold the time in an machine independent way.
@@ -150,7 +150,7 @@ typedef struct png_time_struct
png_byte minute; /* minute of hour, 0 - 59 */
png_byte second; /* second of minute, 0 - 60 (for leap seconds) */
} png_time;
typedef png_time FAR * png_timep;
typedef png_time FAR * png_timep;
typedef png_time FAR * FAR * png_timepp;
/* png_info is a structure that holds the information in a png file.
@@ -231,7 +231,7 @@ typedef struct png_info_struct
png_textp text; /* array of comments */
#endif
} png_info;
typedef png_info FAR * png_infop;
typedef png_info FAR * png_infop;
typedef png_info FAR * FAR * png_infopp;
#define PNG_RESOLUTION_UNKNOWN 0
@@ -287,7 +287,7 @@ typedef struct png_row_info_struct
png_byte pixel_depth; /* bits per pixel (depth * channels) */
} png_row_info;
typedef png_row_info FAR * png_row_infop;
typedef png_row_info FAR * png_row_infop;
typedef png_row_info FAR * FAR * png_row_infopp;
/* These are the function types for the I/O functions, and the functions which