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Imported from libpng-1.2.1beta2.tar

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This commit is contained in:
Glenn Randers-Pehrson
2001-10-24 22:01:19 -05:00
parent 5a0be341ba
commit 6c97ddbffc
55 changed files with 267 additions and 131 deletions
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14
pngwrite.c
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@@ -1,7 +1,7 @@
/* pngwrite.c - general routines to write a PNG file
*
* libpng 1.2.1beta1 - October 19, 2001
* libpng 1.2.1beta2 - October 25, 2001
* For conditions of distribution and use, see copyright notice in png.h
* Copyright (c) 1998-2001 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
@@ -424,7 +424,7 @@ png_create_write_struct(png_const_charp user_png_ver, png_voidp error_ptr,
{
#ifdef PNG_USER_MEM_SUPPORTED
return (png_create_write_struct_2(user_png_ver, error_ptr, error_fn,
warn_fn, NULL, NULL, NULL));
warn_fn, (png_voidp)NULL, (png_malloc_ptr)NULL, (png_free_ptr)NULL));
}
/* Alternate initialize png_ptr structure, and allocate any memory needed */
@@ -521,11 +521,12 @@ png_create_write_struct_2(png_const_charp user_png_ver, png_voidp error_ptr,
png_ptr->zbuf = (png_bytep)png_malloc(png_ptr,
(png_uint_32)png_ptr->zbuf_size);
png_set_write_fn(png_ptr, NULL, NULL, NULL);
png_set_write_fn(png_ptr, (png_voidp)NULL, (png_rw_ptr)NULL,
(png_flush_ptr)NULL);
#if defined(PNG_WRITE_WEIGHTED_FILTER_SUPPORTED)
png_set_filter_heuristics(png_ptr, PNG_FILTER_HEURISTIC_DEFAULT,
1, NULL, NULL);
1, (png_doublep)NULL, (png_doublep)NULL);
#endif
return ((png_structp)png_ptr);
@@ -634,7 +635,8 @@ png_write_init_3(png_structpp ptr_ptr, png_const_charp user_png_ver,
png_memcpy(png_ptr->jmpbuf, tmp_jmp, sizeof (jmp_buf));
#endif
png_set_write_fn(png_ptr, NULL, NULL, NULL);
png_set_write_fn(png_ptr, (png_voidp)NULL, (png_rw_ptr)NULL,
(png_flush_ptr)NULL);
/* initialize zbuf - compression buffer */
png_ptr->zbuf_size = PNG_ZBUF_SIZE;
@@ -643,7 +645,7 @@ png_write_init_3(png_structpp ptr_ptr, png_const_charp user_png_ver,
#if defined(PNG_WRITE_WEIGHTED_FILTER_SUPPORTED)
png_set_filter_heuristics(png_ptr, PNG_FILTER_HEURISTIC_DEFAULT,
1, NULL, NULL);
1, (png_doublep)NULL, (png_doublep)NULL);
#endif
}