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Imported from libpng-1.0.6i.tar

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This commit is contained in:
Glenn Randers-Pehrson
2000-05-01 09:31:54 -05:00
parent 326320e5a9
commit 6942d53c25
44 changed files with 820 additions and 258 deletions
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16
pngwutil.c
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@@ -1,7 +1,7 @@
/* pngwutil.c - utilities to write a PNG file
*
* libpng 1.0.6h - April 24, 2000
* libpng 1.0.6i - May 1, 2000
* 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
@@ -167,7 +167,7 @@ png_text_compress(png_structp png_ptr,
{
comp->input = text;
comp->input_len = text_len;
return(text_len);
return((int)text_len);
}
if (compression >= PNG_TEXT_COMPRESSION_LAST)
@@ -314,7 +314,7 @@ png_text_compress(png_structp png_ptr,
if (png_ptr->zstream.avail_out < png_ptr->zbuf_size)
text_len += png_ptr->zbuf_size - (png_size_t)png_ptr->zstream.avail_out;
return(text_len);
return((int)text_len);
}
/* ship the compressed text out via chunk writes */
@@ -647,8 +647,8 @@ png_write_iCCP(png_structp png_ptr, png_charp name, int compression_type,
profile_len = 0;
if (profile_len)
profile_len = png_text_compress(png_ptr, profile, profile_len,
PNG_TEXT_COMPRESSION_zTXt, &comp);
profile_len = png_text_compress(png_ptr, profile, (png_size_t)profile_len,
PNG_TEXT_COMPRESSION_zTXt, &comp);
/* make sure we include the NULL after the name and the compression type */
png_write_chunk_start(png_ptr, (png_bytep)png_iCCP,
@@ -1204,7 +1204,8 @@ png_write_zTXt(png_structp png_ptr, png_charp key, png_charp text,
png_free(png_ptr, new_key);
/* compute the compressed data; do it now for the length */
text_len = png_text_compress(png_ptr, text, text_len, compression, &comp);
text_len = png_text_compress(png_ptr, text, text_len, compression,
&comp);
/* write start of chunk */
png_write_chunk_start(png_ptr, (png_bytep)png_zTXt, (png_uint_32)
@@ -1256,7 +1257,8 @@ png_write_iTXt(png_structp png_ptr, int compression, png_charp key,
text_len = 0;
/* compute the compressed data; do it now for the length */
text_len = png_text_compress(png_ptr, text, text_len, compression-2, &comp);
text_len = png_text_compress(png_ptr, text, text_len, compression-2,
&comp);
/* make sure we include the compression flag, the compression byte,
* and the NULs after the key, lang, and lang_key parts */