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Imported from libpng-1.2.4beta2.tar

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This commit is contained in:
Glenn Randers-Pehrson
2002-06-20 06:54:34 -05:00
parent 07748d1b2c
commit d1e8c8694d
65 changed files with 401 additions and 266 deletions
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16
pngread.c
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@@ -1,7 +1,7 @@
/* pngread.c - read a PNG file
*
* libpng 1.2.4beta1 - May 25, 2002
* libpng 1.2.4beta2 - June 20, 2002
* For conditions of distribution and use, see copyright notice in png.h
* Copyright (c) 1998-2002 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
@@ -70,8 +70,7 @@ png_create_read_struct_2(png_const_charp user_png_ver, png_voidp error_ptr,
png_ptr->zbuf=NULL;
#ifdef PNG_USER_MEM_SUPPORTED
png_destroy_struct_2((png_voidp)png_ptr,
(png_free_ptr)free_fn,
(png_voidp)mem_ptr);
(png_free_ptr)free_fn, (png_voidp)mem_ptr);
#else
png_destroy_struct((png_voidp)png_ptr);
#endif
@@ -175,7 +174,6 @@ png_read_init(png_structp png_ptr)
png_read_init_2(png_ptr, "1.0.6 or earlier", 0, 0);
}
#undef png_read_init_2
void PNGAPI
png_read_init_2(png_structp png_ptr, png_const_charp user_png_ver,
png_size_t png_struct_size, png_size_t png_info_size)
@@ -795,7 +793,7 @@ 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 1.2.4beta1
* [*] png_handle_alpha() does not exist yet, as of libpng version 1.2.4beta2
*/
void PNGAPI
@@ -844,7 +842,7 @@ 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 1.2.4beta1
* [*] png_handle_alpha() does not exist yet, as of libpng version 1.2.4beta2
*/
void PNGAPI
png_read_image(png_structp png_ptr, png_bytepp image)
@@ -1250,6 +1248,12 @@ png_read_destroy(png_structp png_ptr, png_infop info_ptr, png_infop end_info_ptr
png_free(png_ptr, png_ptr->save_buffer);
#endif
#ifdef PNG_PROGRESSIVE_READ_SUPPORTED
#ifdef PNG_TEXT_SUPPORTED
png_free(png_ptr, png_ptr->current_text);
#endif /* PNG_TEXT_SUPPORTED */
#endif /* PNG_PROGRESSIVE_READ_SUPPORTED */
/* Save the important info out of the png_struct, in case it is
* being used again.
*/