mewin/libpng
1
0
Fork 0
mirror of https://git.code.sf.net/p/libpng/code.git synced 2025-07-10 18:04:09 +02:00
Code Issues Projects Releases Wiki Activity

Imported from libpng-1.0.4-pre1.tar

Browse Source
This commit is contained in:
Glenn Randers-Pehrson
1999-09-17 12:27:26 -05:00
parent 87544ac62b
commit 4393a9ad6b
56 changed files with 5798 additions and 1904 deletions
Download Patch File Download Diff File Expand all files Collapse all files

25
pngtrans.c
View File

@@ -1,7 +1,7 @@
/* pngtrans.c - transforms the data in a row (used by both readers and writers)
*
* libpng 1.0.3 - January 14, 1999
* libpng 1.0.4 - September 17, 1999
* For conditions of distribution and use, see copyright notice in png.h
* Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.
* Copyright (c) 1996, 1997 Andreas Dilger
@@ -570,3 +570,26 @@ png_do_bgr(png_row_infop row_info, png_bytep row)
}
#endif /* PNG_READ_BGR_SUPPORTED or PNG_WRITE_BGR_SUPPORTED */
#if defined(PNG_READ_USER_TRANSFORM_SUPPORTED) || \
defined(PNG_WRITE_USER_TRANSFORM_SUPPORTED)
void
png_set_user_transform_info(png_structp png_ptr, png_voidp
user_transform_ptr, int user_transform_depth, int user_transform_channels)
{
png_debug(1, "in png_set_user_transform_info\n");
png_ptr->user_transform_ptr = user_transform_ptr;
png_ptr->user_transform_depth = user_transform_depth;
png_ptr->user_transform_channels = user_transform_channels;
}
/* This function returns a pointer to the user_transform_ptr associated with
* the user transform functions. The application should free any memory
* associated with this pointer before png_write_destroy and png_read_destroy
* are called.
*/
png_voidp
png_get_user_transform_ptr(png_structp png_ptr)
{
return ((png_voidp)png_ptr->user_transform_ptr);
}
#endif