[libpng10] Imported from libpng-1.0.19rc1.tar

This commit is contained in:
Glenn Randers-Pehrson
2006-06-13 07:58:30 -05:00
parent b6c4193528
commit db576fa76b
114 changed files with 48382 additions and 5642 deletions

View File

@@ -1,7 +1,13 @@
#if 0 /* in case someone actually tries to compile this */
/* example.c - an example of using libpng */
/* example.c - an example of using libpng
* Last changed in libpng 1.2.1 December 7, 2001.
* This file has been placed in the public domain by the authors.
* Maintained 1998-2001 Glenn Randers-Pehrson
* Maintained 1996, 1997 Andreas Dilger)
* Written 1995, 1996 Guy Eric Schalnat, Group 42, Inc.)
*/
/* This is an example of how to use libpng to read and write PNG files.
* The file libpng.txt is much more verbose then this. If you have not
@@ -194,7 +200,7 @@ void read_png(FILE *fp, unsigned int sig_read) /* file is already open */
/* Expand paletted colors into true RGB triplets */
if (color_type == PNG_COLOR_TYPE_PALETTE)
png_set_palette_rgb(png_ptr);
png_set_palette_to_rgb(png_ptr);
/* Expand grayscale images to the full 8 bits from 1, 2, or 4 bits/pixel */
if (color_type == PNG_COLOR_TYPE_GRAY && bit_depth < 8)
@@ -490,10 +496,10 @@ row_callback(png_structp png_ptr, png_bytep new_row,
* In this function you will receive a pointer to new row data from
* libpng called new_row that is to replace a corresponding row (of
* the same data format) in a buffer allocated by your application.
*
*
* The new row data pointer new_row may be NULL, indicating there is
* no new data to be replaced (in cases of interlace loading).
*
*
* If new_row is not NULL then you need to call
* png_progressive_combine_row() to replace the corresponding row as
* shown below: