Imported from libpng-1.0.10beta1.tar
diff --git a/libpng.3 b/libpng.3 index ee45043..b6d0b87 100644 --- a/libpng.3 +++ b/libpng.3
@@ -1,6 +1,6 @@ -.TH LIBPNG 3 "January 31, 2001" +.TH LIBPNG 3 "March 14, 2001" .SH NAME -libpng \- Portable Network Graphics (PNG) Reference Library 1.0.9 +libpng \- Portable Network Graphics (PNG) Reference Library 1.0.10beta1 .SH SYNOPSIS \fI\fB @@ -747,7 +747,7 @@ .SH LIBPNG.TXT libpng.txt - A description on how to use and modify libpng - libpng version 1.0.9 - January 31, 2001 + libpng version 1.0.10beta1 - March 14, 2001 Updated and distributed by Glenn Randers-Pehrson <randeg@alum.rpi.edu> Copyright (c) 1998, 1999, 2000 Glenn Randers-Pehrson @@ -1004,10 +1004,11 @@ png_byte name[5]; png_byte *data; png_size_t size; - /* Note that libpng has already taken care of the - CRC handling */ + /* Note that libpng has already taken care of + the CRC handling */ - /* put your code here. Return one of the following: */ + /* put your code here. Return one of the + following: */ return (-n); /* chunk had an error */ return (0); /* did not recognize */ @@ -1078,16 +1079,23 @@ you want to do are limited to the following set: PNG_TRANSFORM_IDENTITY No transformation - PNG_TRANSFORM_STRIP_16 Strip 16-bit samples to 8 bits + PNG_TRANSFORM_STRIP_16 Strip 16-bit samples to + 8 bits PNG_TRANSFORM_STRIP_ALPHA Discard the alpha channel - PNG_TRANSFORM_PACKING Expand 1, 2 and 4-bit samples to bytes - PNG_TRANSFORM_PACKSWAP Change order of packed pixels to LSB first + PNG_TRANSFORM_PACKING Expand 1, 2 and 4-bit + samples to bytes + PNG_TRANSFORM_PACKSWAP Change order of packed + pixels to LSB first PNG_TRANSFORM_EXPAND Perform set_expand() PNG_TRANSFORM_INVERT_MONO Invert monochrome images - PNG_TRANSFORM_SHIFT Normalize pixels to the sBIT depth - PNG_TRANSFORM_BGR Flip RGB to BGR, RGBA to BGRA - PNG_TRANSFORM_SWAP_ALPHA Flip RGBA to ARGB or GA to AG - PNG_TRANSFORM_INVERT_ALPHA Change alpha from opacity to transparency + PNG_TRANSFORM_SHIFT Normalize pixels to the + sBIT depth + PNG_TRANSFORM_BGR Flip RGB to BGR, RGBA + to BGRA + PNG_TRANSFORM_SWAP_ALPHA Flip RGBA to ARGB or GA + to AG + PNG_TRANSFORM_INVERT_ALPHA Change alpha from opacity + to transparency PNG_TRANSFORM_SWAP_ENDIAN Byte-swap 16-bit samples (This excludes setting a background color, doing gamma transformation, @@ -1115,9 +1123,11 @@ If you know your image size and pixel size ahead of time, you can allocate row_pointers prior to calling png_read_png() with - row_pointers = png_malloc(png_ptr, height*sizeof(png_bytep)); + row_pointers = png_malloc(png_ptr, + height*sizeof(png_bytep)); for (int i=0; i<height, i++) - row_pointers[i]=png_malloc(png_ptr, width*pixel_size); + row_pointers[i]=png_malloc(png_ptr, + width*pixel_size); png_set_rows(png_ptr, info_ptr, &row_pointers); Alternatively you could allocate your image in one big block and define @@ -1185,8 +1195,8 @@ interlace_type - (PNG_INTERLACE_NONE or PNG_INTERLACE_ADAM7) Any or all of interlace_type, compression_type, of - filter_method can be NULL if you are - not interested in their values. + filter_method can be NULL if you are + not interested in their values. channels = png_get_channels(png_ptr, info_ptr); channels - number of channels of info for the @@ -1249,14 +1259,15 @@ implies specific values of gAMA and cHRM. - png_get_iCCP(png_ptr, info_ptr, &name, &compression_type, - &profile, &proflen); + png_get_iCCP(png_ptr, info_ptr, &name, + &compression_type, &profile, &proflen); name - The profile name. - compression - The compression type; always PNG_COMPRESSION_TYPE_BASE - for PNG 1.0. You may give NULL to this argument - to ignore it. - profile - International Color Consortium color profile - data. May contain NULs. + compression - The compression type; always + PNG_COMPRESSION_TYPE_BASE for PNG 1.0. + You may give NULL to this argument to + ignore it. + profile - International Color Consortium color + profile data. May contain NULs. proflen - length of profile data in bytes. png_get_sBIT(png_ptr, info_ptr, &sig_bit); @@ -1312,21 +1323,24 @@ string for unknown). text_ptr[i].translated_keyword - keyword in UTF-8 (empty string for unknown). - num_text - number of comments (same as num_comments; - you can put NULL here to avoid the duplication) - Note while png_set_text() will accept text, language, and - translated keywords that can be NULL pointers, the structure - returned by png_get_text will always contain regular - zero-terminated C strings. They might be empty strings but - they will never be NULL pointers. + num_text - number of comments (same as + num_comments; you can put NULL here + to avoid the duplication) + Note while png_set_text() will accept text, language, + and translated keywords that can be NULL pointers, the + structure returned by png_get_text will always contain + regular zero-terminated C strings. They might be + empty strings but they will never be NULL pointers. - num_spalettes = png_get_sPLT(png_ptr, info_ptr, &palette_ptr); + num_spalettes = png_get_sPLT(png_ptr, info_ptr, + &palette_ptr); palette_ptr - array of palette structures holding - contents of one or more sPLT chunks read. + contents of one or more sPLT chunks + read. num_spalettes - number of sPLT chunks read. png_get_oFFs(png_ptr, info_ptr, &offset_x, &offset_y, - &unit_type); + &unit_type); offset_x - positive offset from the left edge of the screen offset_y - positive offset from the top edge @@ -1334,7 +1348,7 @@ unit_type - PNG_OFFSET_PIXEL, PNG_OFFSET_MICROMETER png_get_pHYs(png_ptr, info_ptr, &res_x, &res_y, - &unit_type); + &unit_type); res_x - pixels/unit physical resolution in x direction res_y - pixels/unit physical resolution in @@ -1342,47 +1356,50 @@ unit_type - PNG_RESOLUTION_UNKNOWN, PNG_RESOLUTION_METER - png_get_sCAL(png_ptr, info_ptr, &unit, &width, &height) + png_get_sCAL(png_ptr, info_ptr, &unit, &width, + &height) unit - physical scale units (an integer) width - width of a pixel in physical scale units height - height of a pixel in physical scale units (width and height are doubles) - png_get_sCAL_s(png_ptr, info_ptr, &unit, &width, &height) + png_get_sCAL_s(png_ptr, info_ptr, &unit, &width, + &height) unit - physical scale units (an integer) width - width of a pixel in physical scale units height - height of a pixel in physical scale units (width and height are strings like "2.54") - num_unknown_chunks = png_get_unknown_chunks(png_ptr, info_ptr, - &unknowns) - unknowns - array of png_unknown_chunk structures holding - unknown chunks + num_unknown_chunks = png_get_unknown_chunks(png_ptr, + info_ptr, &unknowns) + unknowns - array of png_unknown_chunk + structures holding unknown chunks unknowns[i].name - name of unknown chunk unknowns[i].data - data of unknown chunk unknowns[i].size - size of unknown chunk's data unknowns[i].location - position of chunk in file - The value of "i" corresponds to the order in which the chunks were read - from the PNG file or inserted with the png_set_unknown_chunks() function. + The value of "i" corresponds to the order in which the + chunks were read from the PNG file or inserted with the + png_set_unknown_chunks() function. The data from the pHYs chunk can be retrieved in several convenient forms: res_x = png_get_x_pixels_per_meter(png_ptr, - info_ptr) + info_ptr) res_y = png_get_y_pixels_per_meter(png_ptr, - info_ptr) + info_ptr) res_x_and_y = png_get_pixels_per_meter(png_ptr, - info_ptr) + info_ptr) res_x = png_get_x_pixels_per_inch(png_ptr, - info_ptr) + info_ptr) res_y = png_get_y_pixels_per_inch(png_ptr, - info_ptr) + info_ptr) res_x_and_y = png_get_pixels_per_inch(png_ptr, - info_ptr) + info_ptr) aspect_ratio = png_get_pixel_aspect_ratio(png_ptr, - info_ptr) + info_ptr) (Each of these returns 0 [signifying "unknown"] if the data is not present or if res_x is 0; @@ -1397,8 +1414,8 @@ y_offset = png_get_y_offset_inches(png_ptr, info_ptr); (Each of these returns 0 [signifying "unknown" if both - x and y are 0] if the data is not present or if the chunk - is present but the unit is the pixel) + x and y are 0] if the data is not present or if the + chunk is present but the unit is the pixel) For more information, see the png_info definition in png.h and the PNG specification for chunk contents. Be careful with trusting @@ -1932,7 +1949,7 @@ It is also possible to individually free the info_ptr members that point to libpng-allocated storage with the following function: - png_free_data(png_ptr, info_ptr, mask, n) + png_free_data(png_ptr, info_ptr, mask, seq) mask - identifies data to be freed, a mask containing the logical OR of one or more of @@ -1942,16 +1959,17 @@ PNG_FREE_SCAL, PNG_FREE_SPLT, PNG_FREE_TEXT, PNG_FREE_UNKN, or simply PNG_FREE_ALL - n - sequence number of item to be freed + seq - sequence number of item to be freed (-1 for all items) This function may be safely called when the relevant storage has already been freed, or has not yet been allocated, or was allocated by the user and not by libpng, and will in those -cases do nothing. The "n" parameter is ignored if only one item -of the selected data type, such as PLTE, is allowed. If "n" is not +cases do nothing. The "seq" parameter is ignored if only one item +of the selected data type, such as PLTE, is allowed. If "seq" is not -1, and multiple items are allowed for the data type identified in -the mask, such as text or sPLT, only the n'th item is freed. +the mask, such as text or sPLT, only the n'th item in the structure +is freed, where n is "seq". The default behavior is only to free data that was allocated internally by libpng. This can be changed, so that libpng will not free the data, @@ -2124,9 +2142,10 @@ /* This function is called when each row of image data is complete */ + void row_callback(png_structp png_ptr, png_bytep new_row, - png_uint_32 row_num, int pass) + png_uint_32 row_num, int pass) { /* If the image is interlaced, and you turned on the interlace handler, this function will @@ -2270,7 +2289,8 @@ a progress meter or the like. It's demonstrated in pngtest.c. You must supply a function - void write_row_callback(png_ptr, png_uint_32 row, int pass); + void write_row_callback(png_ptr, png_uint_32 row, + int pass); { /* put your code here */ } @@ -2298,8 +2318,9 @@ /* turn on or off filtering, and/or choose - specific filters. You can use either a single PNG_FILTER_VALUE_NAME - or the logical OR of one or more PNG_FILTER_NAME masks. */ + specific filters. You can use either a single + PNG_FILTER_VALUE_NAME or the logical OR of one + or more PNG_FILTER_NAME masks. */ png_set_filter(png_ptr, 0, PNG_FILTER_NONE | PNG_FILTER_VALUE_NONE | PNG_FILTER_SUB | PNG_FILTER_VALUE_SUB | @@ -2435,11 +2456,12 @@ png_set_iCCP(png_ptr, info_ptr, name, compression_type, profile, proflen); name - The profile name. - compression - The compression type; always PNG_COMPRESSION_TYPE_BASE - for PNG 1.0. You may give NULL to this argument - to ignore it. - profile - International Color Consortium color profile - data. May contain NULs. + compression - The compression type; always + PNG_COMPRESSION_TYPE_BASE for PNG 1.0. + You may give NULL to this argument to + ignore it. + profile - International Color Consortium color + profile data. May contain NULs. proflen - length of profile data in bytes. png_set_sBIT(png_ptr, info_ptr, sig_bit); @@ -2493,11 +2515,13 @@ or empty for unknown). num_text - number of comments - png_set_sPLT(png_ptr, info_ptr, &palette_ptr, num_spalettes); - palette_ptr - array of png_sPLT_struct structures to be - added to the list of palettes in the info - structure. - num_spalettes - number of palette structures to be added. + png_set_sPLT(png_ptr, info_ptr, &palette_ptr, + num_spalettes); + palette_ptr - array of png_sPLT_struct structures + to be added to the list of palettes + in the info structure. + num_spalettes - number of palette structures to be + added. png_set_oFFs(png_ptr, info_ptr, offset_x, offset_y, unit_type); @@ -2528,9 +2552,10 @@ height - height of a pixel in physical scale units (width and height are strings like "2.54") - png_set_unknown_chunks(png_ptr, info_ptr, &unknowns, num_unknowns) - unknowns - array of png_unknown_chunk structures holding - unknown chunks + png_set_unknown_chunks(png_ptr, info_ptr, &unknowns, + num_unknowns) + unknowns - array of png_unknown_chunk + structures holding unknown chunks unknowns[i].name - name of unknown chunk unknowns[i].data - data of unknown chunk unknowns[i].size - size of unknown chunk's data @@ -2539,14 +2564,15 @@ PNG_HAVE_IHDR: before PLTE PNG_HAVE_PLTE: before IDAT PNG_AFTER_IDAT: after IDAT - The "location" member is set automatically according to - what part of the output file has already been written. - You can change its value after calling png_set_unknown_chunks() - as demonstrated in pngtest.c. Within each of the "locations", - the chunks are sequenced according to their position in the - structure (that is, the value of "i", which is the order in which - the chunk was either read from the input file or defined with - png_set_unknown_chunks). + +The "location" member is set automatically according to +what part of the output file has already been written. +You can change its value after calling png_set_unknown_chunks() +as demonstrated in pngtest.c. Within each of the "locations", +the chunks are sequenced according to their position in the +structure (that is, the value of "i", which is the order in which +the chunk was either read from the input file or defined with +png_set_unknown_chunks). A quick word about text and num_text. text is an array of png_text structures. num_text is the number of valid structures in the array. @@ -2647,12 +2673,17 @@ PNG_TRANSFORM_IDENTITY No transformation PNG_TRANSFORM_PACKING Pack 1, 2 and 4-bit samples - PNG_TRANSFORM_PACKSWAP Change order of packed pixels to LSB first + PNG_TRANSFORM_PACKSWAP Change order of packed + pixels to LSB first PNG_TRANSFORM_INVERT_MONO Invert monochrome images - PNG_TRANSFORM_SHIFT Normalize pixels to the sBIT depth - PNG_TRANSFORM_BGR Flip RGB to BGR, RGBA to BGRA - PNG_TRANSFORM_SWAP_ALPHA Flip RGBA to ARGB or GA to AG - PNG_TRANSFORM_INVERT_ALPHA Change alpha from opacity to transparency + PNG_TRANSFORM_SHIFT Normalize pixels to the + sBIT depth + PNG_TRANSFORM_BGR Flip RGB to BGR, RGBA + to BGRA + PNG_TRANSFORM_SWAP_ALPHA Flip RGBA to ARGB or GA + to AG + PNG_TRANSFORM_INVERT_ALPHA Change alpha from opacity + to transparency PNG_TRANSFORM_SWAP_ENDIAN Byte-swap 16-bit samples PNG_TRANSFORM_STRIP_FILLER Strip out filler bytes. @@ -2916,7 +2947,7 @@ It is also possible to individually free the info_ptr members that point to libpng-allocated storage with the following function: - png_free_data(png_ptr, info_ptr, mask, n) + png_free_data(png_ptr, info_ptr, mask, seq) mask - identifies data to be freed, a mask containing the logical OR of one or more of @@ -2926,16 +2957,17 @@ PNG_FREE_SCAL, PNG_FREE_SPLT, PNG_FREE_TEXT, PNG_FREE_UNKN, or simply PNG_FREE_ALL - n - sequence number of item to be freed + seq - sequence number of item to be freed (-1 for all items) This function may be safely called when the relevant storage has already been freed, or has not yet been allocated, or was allocated by the user and not by libpng, and will in those -cases do nothing. The "n" parameter is ignored if only one item -of the selected data type, such as PLTE, is allowed. If "n" is not +cases do nothing. The "seq" parameter is ignored if only one item +of the selected data type, such as PLTE, is allowed. If "seq" is not -1, and multiple items are allowed for the data type identified in -the mask, such as text or sPLT, only the n'th item is freed. +the mask, such as text or sPLT, only the n'th item in the structure +is freed, where n is "seq". If you allocated data such as a palette that you passed in to libpng with png_set_*, you must not free it until just before the call to @@ -3016,8 +3048,8 @@ functions must be modified in the library at compile time. If you prefer to use a different method of allocating and freeing data, you can use - png_set_mem_fn(png_structp png_ptr, png_voidp mem_ptr, png_malloc_ptr - malloc_fn, png_free_ptr free_fn) + png_set_mem_fn(png_structp png_ptr, png_voidp mem_ptr, + png_malloc_ptr malloc_fn, png_free_ptr free_fn) This function also provides a void pointer that can be retrieved via @@ -3025,7 +3057,8 @@ Your replacement memory functions must have prototypes as follows: - png_voidp malloc_fn(png_structp png_ptr, png_uint_32 size); + png_voidp malloc_fn(png_structp png_ptr, + png_uint_32 size); void free_fn(png_structp png_ptr, png_voidp ptr); Input/Output in libpng is done through png_read() and png_write(), @@ -3237,10 +3270,12 @@ png_set_filter(png_ptr, PNG_FILTER_TYPE_BASE, filters); - The second parameter can also be PNG_INTRAPIXEL_DIFFERENCING - if you are writing a PNG to be embedded in a MNG - datastream. This parameter must be the same as the - value of filter_method used in png_set_IHDR(). + The second parameter can also be + PNG_INTRAPIXEL_DIFFERENCING if you are + writing a PNG to be embedded in a MNG + datastream. This parameter must be the + same as the value of filter_method used + in png_set_IHDR(). It is also possible to influence how libpng chooses from among the available filters. This is done in two ways - by telling it how @@ -3429,13 +3464,13 @@ .SH VIII. Y2K Compliance in libpng -January 31, 2001 +March 14, 2001 Since the PNG Development group is an ad-hoc body, we can't make an official declaration. This is your unofficial assurance that libpng from version 0.71 and -upward through 1.0.9 are Y2K compliant. It is my belief that earlier +upward through 1.0.10beta1 are Y2K compliant. It is my belief that earlier versions were also Y2K compliant. Libpng only has three year fields. One is a 2-byte unsigned integer that @@ -3453,7 +3488,8 @@ png_convert_to_rfc_1123() in png.c (formerly png_convert_to_rfc_1152() in error) - png_convert_from_struct_tm() in pngwrite.c, called in pngwrite.c + png_convert_from_struct_tm() in pngwrite.c, called + in pngwrite.c png_convert_from_time_t() in pngwrite.c png_get_tIME() in pngget.c png_handle_tIME() in pngrutil.c, called in pngread.c @@ -3492,43 +3528,63 @@ The following table summarizes matters since version 0.89c, which was the first widely used release: - source png.h png.h shared-lib - version string int version - ------- ------ ----- ---------- - 0.89c ("1.0 beta 3") 0.89 89 1.0.89 - 0.90 ("1.0 beta 4") 0.90 90 0.90 [should have been 2.0.90] - 0.95 ("1.0 beta 5") 0.95 95 0.95 [should have been 2.0.95] - 0.96 ("1.0 beta 6") 0.96 96 0.96 [should have been 2.0.96] - 0.97b ("1.00.97 beta 7") 1.00.97 97 1.0.1 [should have been 2.0.97] - 0.97c 0.97 97 2.0.97 - 0.98 0.98 98 2.0.98 - 0.99 0.99 98 2.0.99 - 0.99a-m 0.99 99 2.0.99 - 1.00 1.00 100 2.1.0 [100 should be 10000] - 1.0.0 1.0.0 100 2.1.0 [100 should be 10000] - 1.0.1 1.0.1 10001 2.1.0 - 1.0.1a-e 1.0.1a-e 10002 2.1.0.1a-e - 1.0.2 1.0.2 10002 2.1.0.2 - 1.0.2a-b 1.0.2a-b 10003 2.1.0.2a-b - 1.0.3 1.0.3 10003 2.1.0.3 - 1.0.3a-d 1.0.3a-d 10004 2.1.0.3a-d - 1.0.4 1.0.4 10004 2.1.0.4 - 1.0.4a-f 1.0.4a-f 10005 2.1.0.4a-f - 1.0.5 (+ 2 patches) 1.0.5 10005 2.1.0.5 - 1.0.5a-d 1.0.5a-d 10006 2.1.0.5a-d - 1.0.5e-r 1.0.5e-r 10100 2.1.0.5e-r (not compatible) - 1.0.5s-v 1.0.5s-v 10006 2.1.0.5s-v (compatible) - 1.0.6 (+ 3 patches) 1.0.6 10006 2.1.0.6 - 1.0.6d 1.0.6d 10007 2.1.0.6d - 1.0.7 1.0.7 10007 2.1.0.7 (still compatible) + source png.h png.h shared-lib + version string int version + ------- ------ ----- ---------- + 0.89c ("beta 3") 0.89 89 1.0.89 + 0.90 ("beta 4") 0.90 90 0.90 + 0.95 ("beta 5") 0.95 95 0.95 + 0.96 ("beta 6") 0.96 96 0.96 + 0.97b ("beta 7") 1.00.97 97 1.0.1 + 0.97c 0.97 97 2.0.97 + 0.98 0.98 98 2.0.98 + 0.99 0.99 98 2.0.99 + 0.99a-m 0.99 99 2.0.99 + 1.00 1.00 100 2.1.0 + 1.0.0 1.0.0 100 2.1.0 + 1.0.0 (from here on, the 100 2.1.0 + 1.0.1 png.h string is 10001 2.1.0 + 1.0.1a-e identical to the 10002 from here on, the + 1.0.2 source version) 10002 shared library is 2.V + 1.0.2a-b 10003 where V is the source + 1.0.1 10001 code version except as + 1.0.1a-e 10002 2.1.0.1a-e noted. + 1.0.2 10002 2.1.0.2 + 1.0.2a-b 10003 2.1.0.2a-b + 1.0.3 10003 2.1.0.3 + 1.0.3a-d 10004 2.1.0.3a-d + 1.0.4 10004 2.1.0.4 + 1.0.4a-f 10005 2.1.0.4a-f + 1.0.5 (+ 2 patches) 10005 2.1.0.5 + 1.0.5a-d 10006 2.1.0.5a-d + 1.0.5e-r 10100 2.1.0.5e-r + 1.0.5s-v 10006 2.1.0.5s-v + 1.0.6 (+ 3 patches) 10006 2.1.0.6 + 1.0.6d-g 10007 2.1.0.6d-g + 1.0.6h 10007 10.6h + 1.0.6i 10007 10.6i + 1.0.6j 10007 2.1.0.6j + 1.0.7beta11-14 DLLNUM 10007 2.1.0.7beta11-14 + 1.0.7beta15-18 1 10007 2.1.0.7beta15-18 + 1.0.7rc1-2 1 10007 2.1.0.7rc1-2 + 1.0.7 1 10007 2.1.0.7 + 1.0.8beta1-4 1 10008 2.1.0.8beta1-4 + 1.0.8rc1 1 10008 2.1.0.8rc1 + 1.0.8 1 10008 2.1.0.8 + 1.0.9beta1-6 1 10009 2.1.0.9beta1-6 + 1.0.9rc1 1 10009 2.1.0.9rc1 + 1.0.9beta7-10 1 10009 2.1.0.9beta7-10 + 1.0.9rc2 1 10009 2.1.0.9rc2 + 1.0.9 1 10009 2.1.0.9 + 1.0.10rc1 1 10010 2.1.0.10rc1 - Henceforth the source version will match the shared-library minor - and patch numbers; the shared-library major version number will be - used for changes in backward compatibility, as it is intended. The - PNG_PNGLIB_VER macro, which is not used within libpng but is available - for applications, is an unsigned integer of the form xyyzz corresponding - to the source version x.y.z (leading zeros in y and z). Beta versions - are given the previous public release number plus a letter or two. +Henceforth the source version will match the shared-library minor +and patch numbers; the shared-library major version number will be +used for changes in backward compatibility, as it is intended. The +PNG_PNGLIB_VER macro, which is not used within libpng but is available +for applications, is an unsigned integer of the form xyyzz corresponding +to the source version x.y.z (leading zeros in y and z). Beta versions +are given the previous public release number plus a letter or two. .SH "SEE ALSO" libpngpf(3), png(5) @@ -3576,7 +3632,7 @@ Thanks to Frank J. T. Wojcik for helping with the documentation. -Libpng version 1.0.9 - January 31, 2001: +Libpng version 1.0.10beta1 - March 14, 2001: Initially created in 1995 by Guy Eric Schalnat, then of Group 42, Inc. Currently maintained by Glenn Randers-Pehrson (randeg@alum.rpi.edu). @@ -3593,8 +3649,8 @@ If you modify libpng you may insert additional notices immediately following this sentence. -libpng versions 1.0.7, July 1, 2000, through 1.0.9, January 31, 2001, are -Copyright (c) 2000 Glenn Randers-Pehrson, and are +libpng versions 1.0.7, July 1, 2000, through 1.0.10beta1, March 14, 2001, are +Copyright (c) 2000-2001 Glenn Randers-Pehrson, and are distributed according to the same disclaimer and license as libpng-1.0.6 with the following individuals added to the list of Contributing Authors @@ -3604,12 +3660,13 @@ and with the following additions to the disclaimer: - There is no warranty against interference with your enjoyment of the - library or against infringement. There is no warranty that our - efforts or the library will fulfill any of your particular purposes - or needs. This library is provided with all faults, and the entire - risk of satisfactory quality, performance, accuracy, and effort is with - the user. + There is no warranty against interference with your + enjoyment of the library or against infringement. + There is no warranty that our efforts or the library + will fulfill any of your particular purposes or needs. + This library is provided with all faults, and the entire + risk of satisfactory quality, performance, accuracy, and + effort is with the user. libpng versions 0.97, January 1998, through 1.0.6, March 20, 2000, are Copyright (c) 1998, 1999 Glenn Randers-Pehrson @@ -3658,11 +3715,11 @@ 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. +2. Altered versions must be plainly marked as such and + must not be misrepresented as being the original source. -3. This Copyright notice may not be removed or altered from any - source or altered source distribution. +3. This Copyright notice may not be removed or altered from + any source or 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 @@ -3684,7 +3741,7 @@ Glenn Randers-Pehrson randeg@alum.rpi.edu -January 31, 2001 +March 14, 2001 .\" end of man page