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Imported from libpng-0.99e.tar

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This commit is contained in:
Glenn Randers-Pehrson
1998-02-28 07:00:24 -06:00
parent a357b99113
commit cbe52d8720
28 changed files with 843 additions and 694 deletions
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14
pngwtran.c
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@@ -1,12 +1,12 @@
/* pngwtran.c - transforms the data in a row for PNG writers
*
* libpng 0.99d
* libpng 0.99e
* 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
* Copyright (c) 1998, Glenn Randers-Pehrson
* February 8, 1998
* February 28, 1998
*/
#define PNG_INTERNAL
@@ -42,14 +42,14 @@ png_do_write_transformations(png_structp png_ptr)
if (png_ptr->transformations & PNG_SWAP_BYTES)
png_do_swap(&(png_ptr->row_info), png_ptr->row_buf + 1);
#endif
#if defined(PNG_WRITE_SWAP_ALPHA_SUPPORTED)
if (png_ptr->transformations & PNG_SWAP_ALPHA)
png_do_write_swap_alpha(&(png_ptr->row_info), png_ptr->row_buf + 1);
#endif
#if defined(PNG_WRITE_INVERT_ALPHA_SUPPORTED)
if (png_ptr->transformations & PNG_INVERT_ALPHA)
png_do_write_invert_alpha(&(png_ptr->row_info), png_ptr->row_buf + 1);
#endif
#if defined(PNG_WRITE_SWAP_ALPHA_SUPPORTED)
if (png_ptr->transformations & PNG_SWAP_ALPHA)
png_do_write_swap_alpha(&(png_ptr->row_info), png_ptr->row_buf + 1);
#endif
#if defined(PNG_WRITE_BGR_SUPPORTED)
if (png_ptr->transformations & PNG_BGR)
png_do_bgr(&(png_ptr->row_info), png_ptr->row_buf + 1);
@@ -227,7 +227,7 @@ png_do_shift(png_row_infop row_info, png_bytep row, png_color_8p bit_depth)
channels++;
}
/* with low row dephts, could only be grayscale, so one channel */
/* with low row depths, could only be grayscale, so one channel */
if (row_info->bit_depth < 8)
{
png_bytep bp;