Imported from libpng-1.2.4.tar

This commit is contained in:
Glenn Randers-Pehrson
2002-07-07 19:15:20 -05:00
parent 2ae022da7e
commit 484a8a10fe
61 changed files with 125 additions and 132 deletions

View File

@@ -1,7 +1,7 @@
/* pngread.c - read a PNG file
*
* libpng 1.2.4rc1 - July 2, 2002
* libpng 1.2.4 - July 8, 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)
@@ -300,7 +300,6 @@ void PNGAPI
png_read_info(png_structp png_ptr, png_infop info_ptr)
{
png_debug(1, "in png_read_info\n");
/* save jump buffer and error functions */
/* If we haven't checked all of the PNG signature bytes, do so now. */
if (png_ptr->sig_bytes < 8)
{
@@ -514,7 +513,6 @@ void PNGAPI
png_read_update_info(png_structp png_ptr, png_infop info_ptr)
{
png_debug(1, "in png_read_update_info\n");
/* save jump buffer and error functions */
if (!(png_ptr->flags & PNG_FLAG_ROW_INIT))
png_read_start_row(png_ptr);
else
@@ -532,7 +530,6 @@ void PNGAPI
png_start_read_image(png_structp png_ptr)
{
png_debug(1, "in png_start_read_image\n");
/* save jump buffer and error functions */
if (!(png_ptr->flags & PNG_FLAG_ROW_INIT))
png_read_start_row(png_ptr);
}
@@ -548,7 +545,6 @@ png_read_row(png_structp png_ptr, png_bytep row, png_bytep dsp_row)
int ret;
png_debug2(1, "in png_read_row (row %lu, pass %d)\n",
png_ptr->row_number, png_ptr->pass);
/* save jump buffer and error functions */
if (!(png_ptr->flags & PNG_FLAG_ROW_INIT))
png_read_start_row(png_ptr);
if (png_ptr->row_number == 0 && png_ptr->pass == 0)
@@ -793,7 +789,7 @@ 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 1.2.4rc1
* [*] png_handle_alpha() does not exist yet, as of libpng version 1.2.4
*/
void PNGAPI
@@ -805,7 +801,6 @@ png_read_rows(png_structp png_ptr, png_bytepp row,
png_bytepp dp;
png_debug(1, "in png_read_rows\n");
/* save jump buffer and error functions */
rp = row;
dp = display_row;
if (rp != NULL && dp != NULL)
@@ -842,7 +837,7 @@ 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 1.2.4rc1
* [*] png_handle_alpha() does not exist yet, as of libpng version 1.2.4
*/
void PNGAPI
png_read_image(png_structp png_ptr, png_bytepp image)
@@ -852,7 +847,6 @@ png_read_image(png_structp png_ptr, png_bytepp image)
png_bytepp rp;
png_debug(1, "in png_read_image\n");
/* save jump buffer and error functions */
#ifdef PNG_READ_INTERLACING_SUPPORTED
pass = png_set_interlace_handling(png_ptr);
@@ -889,7 +883,6 @@ png_read_end(png_structp png_ptr, png_infop info_ptr)
png_uint_32 length;
png_debug(1, "in png_read_end\n");
/* save jump buffer and error functions */
png_crc_finish(png_ptr, 0); /* Finish off CRC from last IDAT chunk */
do
@@ -1079,7 +1072,6 @@ png_destroy_read_struct(png_structpp png_ptr_ptr, png_infopp info_ptr_ptr,
#endif
png_debug(1, "in png_destroy_read_struct\n");
/* save jump buffer and error functions */
if (png_ptr_ptr != NULL)
png_ptr = *png_ptr_ptr;
@@ -1152,7 +1144,6 @@ png_read_destroy(png_structp png_ptr, png_infop info_ptr, png_infop end_info_ptr
#endif
png_debug(1, "in png_read_destroy\n");
/* save jump buffer and error functions */
if (info_ptr != NULL)
png_info_destroy(png_ptr, info_ptr);