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[devel] Added comments in png.h about relocation of the png_struct

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and png_info definitions.
This commit is contained in:
Glenn Randers-Pehrson 2011-04-28 23:22:18 -05:00
parent 24fde6e00f
commit 1384c048e4
1 changed files with 13 additions and 5 deletions
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18
png.h
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@ -150,7 +150,7 @@
* 1.5.2beta01-03 15 10502 15.so.15.2[.0]
* 1.5.2rc01-03 15 10502 15.so.15.2[.0]
* 1.5.2 15 10502 15.so.15.2[.0]
* 1.5.3beta01-05 15 10503 15.so.15.3[.0]
* 1.5.3beta01-04 15 10503 15.so.15.3[.0]
*
* Henceforth the source version will match the shared-library major
* and minor numbers; the shared-library major version number will be
@ -672,6 +672,10 @@ typedef PNG_CONST png_unknown_chunk FAR * png_const_unknown_chunkp;
typedef png_unknown_chunk FAR * FAR * png_unknown_chunkpp;
#endif
/* The complete definition of png_info has, as of libpng-1.5.0,
* been moved into a separate header file that is not accessible to
* applications. Read libpng-manual.txt or libpng.3 for more info.
*/
typedef struct png_info_def png_info;
typedef png_info FAR * png_infop;
typedef PNG_CONST png_info FAR * png_const_infop;
@ -793,6 +797,14 @@ typedef struct png_row_info_struct
typedef png_row_info FAR * png_row_infop;
typedef png_row_info FAR * FAR * png_row_infopp;
/* The complete definition of png_struct has, as of libpng-1.5.0,
* been moved into a separate header file that is not accessible to
* applications. Read libpng-manual.txt or libpng.3 for more info.
*/
typedef struct png_struct_def png_struct;
typedef PNG_CONST png_struct FAR * png_const_structp;
typedef png_struct FAR * png_structp;
/* These are the function types for the I/O functions and for the functions
* that allow the user to override the default I/O functions with his or her
* own. The png_error_ptr type should match that of user-supplied warning
@ -801,10 +813,6 @@ typedef png_row_info FAR * FAR * png_row_infopp;
* modify the buffer it is passed. The 'read' function, on the other hand, is
* expected to return the read data in the buffer.
*/
typedef struct png_struct_def png_struct;
typedef PNG_CONST png_struct FAR * png_const_structp;
typedef png_struct FAR * png_structp;
typedef PNG_CALLBACK(void, *png_error_ptr, (png_structp, png_const_charp));
typedef PNG_CALLBACK(void, *png_rw_ptr, (png_structp, png_bytep, png_size_t));
typedef PNG_CALLBACK(void, *png_flush_ptr, (png_structp));