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[devel] Fixed incorrect examples of callback prototypes in the manual.

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"png_ptr ptr" should be "png_structp png_ptr"
This commit is contained in:
Glenn Randers-Pehrson 2011-01-24 08:04:37 -06:00
parent 135d17ce3e
commit 81ce889435
4 changed files with 16 additions and 14 deletions
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1
ANNOUNCE
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@ -97,6 +97,7 @@ Version 1.5.1beta09 [January 24, 2011]
converting RGB to gray.
Version 1.5.1beta10 [January 24, 2011]
Fixed incorrect examples of callback prototypes in the manual.
Send comments/corrections/commendations to png-mng-implement at lists.sf.net:
(subscription required; visit

1
CHANGES
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@ -3213,6 +3213,7 @@ Version 1.5.1beta09 [January 24, 2011]
converting RGB to gray.
Version 1.5.1beta10 [January 24, 2011]
Fixed incorrect examples of callback prototypes in the manual.
In addition the order of the png_get_uint macros with respect to the relevant
function definitions has been reversed. This helps the preprocessing of the

14
libpng-manual.txt
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@ -455,7 +455,7 @@ Setting up callback code
You can set up a callback function to handle any unknown chunks in the
input stream. You must supply the function
read_chunk_callback(png_ptr ptr,
read_chunk_callback(png_structp png_ptr,
png_unknown_chunkp chunk);
{
/* The unknown chunk structure contains your
@ -501,8 +501,8 @@ called after each row has been read, which you can use to control
a progress meter or the like. It's demonstrated in pngtest.c.
You must supply a function
void read_row_callback(png_ptr ptr, png_uint_32 row,
int pass);
void read_row_callback(png_structp png_ptr,
png_uint_32 row, int pass);
{
/* put your code here */
}
@ -1507,7 +1507,7 @@ with
You must supply the function
void read_transform_fn(png_ptr ptr, row_info_ptr
void read_transform_fn(png_structp png_ptr, row_info_ptr
row_info, png_bytep data)
See pngtest.c for a working example. Your function will be called
@ -2167,7 +2167,7 @@ called after each row has been written, which you can use to control
a progress meter or the like. It's demonstrated in pngtest.c.
You must supply a function
void write_row_callback(png_ptr, png_uint_32 row,
void write_row_callback(png_structp png_ptr, png_uint_32 row,
int pass);
{
/* put your code here */
@ -2772,8 +2772,8 @@ with
You must supply the function
void write_transform_fn(png_ptr ptr, row_info_ptr
row_info, png_bytep data)
void write_transform_fn(png_structp png_ptr ptr,
row_info_ptr row_info, png_bytep data)
See pngtest.c for a working example. Your function will be called
before any of the other transformations are processed. If supported

14
libpng.3
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@ -1374,7 +1374,7 @@ Choices for (int) ancil_action are
You can set up a callback function to handle any unknown chunks in the
input stream. You must supply the function
read_chunk_callback(png_ptr ptr,
read_chunk_callback(png_structp png_ptr,
png_unknown_chunkp chunk);
{
/* The unknown chunk structure contains your
@ -1420,8 +1420,8 @@ called after each row has been read, which you can use to control
a progress meter or the like. It's demonstrated in pngtest.c.
You must supply a function
void read_row_callback(png_ptr ptr, png_uint_32 row,
int pass);
void read_row_callback(png_structp png_ptr,
png_uint_32 row, int pass);
{
/* put your code here */
}
@ -2426,7 +2426,7 @@ with
You must supply the function
void read_transform_fn(png_ptr ptr, row_info_ptr
void read_transform_fn(png_structp png_ptr, row_info_ptr
row_info, png_bytep data)
See pngtest.c for a working example. Your function will be called
@ -3086,7 +3086,7 @@ called after each row has been written, which you can use to control
a progress meter or the like. It's demonstrated in pngtest.c.
You must supply a function
void write_row_callback(png_ptr, png_uint_32 row,
void write_row_callback(png_structp png_ptr, png_uint_32 row,
int pass);
{
/* put your code here */
@ -3691,8 +3691,8 @@ with
You must supply the function
void write_transform_fn(png_ptr ptr, row_info_ptr
row_info, png_bytep data)
void write_transform_fn(png_structp png_ptr ptr,
row_info_ptr row_info, png_bytep data)
See pngtest.c for a working example. Your function will be called
before any of the other transformations are processed. If supported