Imported from libpng-1.2.2beta1.tar

This commit is contained in:
Glenn Randers-Pehrson
2002-02-21 23:14:23 -06:00
parent f50c91b7bd
commit 9c0f094b21
58 changed files with 634 additions and 425 deletions

View File

@@ -1,7 +1,7 @@
/* pngread.c - read a PNG file
*
* libpng 1.2.1 - December 12, 2001
* libpng 1.2.2beta1 - February 22, 2002
* 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)
@@ -45,11 +45,12 @@ png_create_read_struct_2(png_const_charp user_png_ver, png_voidp error_ptr,
png_debug(1, "in png_create_read_struct\n");
#ifdef PNG_USER_MEM_SUPPORTED
if ((png_ptr = (png_structp)png_create_struct_2(PNG_STRUCT_PNG,
(png_malloc_ptr)malloc_fn, (png_voidp)mem_ptr)) == NULL)
png_ptr = (png_structp)png_create_struct_2(PNG_STRUCT_PNG,
(png_malloc_ptr)malloc_fn, (png_voidp)mem_ptr);
#else
if ((png_ptr = (png_structp)png_create_struct(PNG_STRUCT_PNG)) == NULL)
png_ptr = (png_structp)png_create_struct(PNG_STRUCT_PNG);
#endif
if (png_ptr == NULL)
return (NULL);
#ifdef PNG_ASSEMBLER_CODE_SUPPORTED
@@ -767,7 +768,7 @@ png_read_row(png_structp png_ptr, png_bytep row, png_bytep dsp_row)
* not called png_set_interlace_handling(), the display_row buffer will
* be ignored, so pass NULL to it.
*
* [*] png_handle_alpha() does not exist yet, as of libpng version 1.2.1
* [*] png_handle_alpha() does not exist yet, as of libpng version 1.2.2beta1
*/
void PNGAPI
@@ -816,7 +817,7 @@ png_read_rows(png_structp png_ptr, png_bytepp row,
* only call this function once. If you desire to have an image for
* each pass of a interlaced image, use png_read_rows() instead.
*
* [*] png_handle_alpha() does not exist yet, as of libpng version 1.2.1
* [*] png_handle_alpha() does not exist yet, as of libpng version 1.2.2beta1
*/
void PNGAPI
png_read_image(png_structp png_ptr, png_bytepp image)