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Imported from libpng-1.4.0beta24.tar

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This commit is contained in:
Glenn Randers-Pehrson
2008-07-25 08:51:18 -05:00
parent 72b633026b
commit 895a9c97e2
60 changed files with 262 additions and 219 deletions
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26
pngset.c
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@@ -1,7 +1,7 @@
/* pngset.c - storage of image information into info struct
*
* Last changed in libpng 1.4.0 [July 22, 2008]
* Last changed in libpng 1.4.0 [July 25, 2008]
* For conditions of distribution and use, see copyright notice in png.h
* Copyright (c) 1998-2008 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
@@ -167,7 +167,7 @@ png_set_gAMA(png_structp png_ptr, png_infop info_ptr, double file_gamma)
gamma=21474.83;
}
else
gamma=file_gamma;
gamma = file_gamma;
info_ptr->gamma = (float)gamma;
#ifdef PNG_FIXED_POINT_SUPPORTED
info_ptr->int_gamma = (int)(gamma*100000.+.5);
@@ -200,7 +200,7 @@ png_set_gAMA_fixed(png_structp png_ptr, png_infop info_ptr, png_fixed_point
gamma = 0;
}
else
gamma=int_gamma;
gamma = int_gamma;
}
#ifdef PNG_FLOATING_POINT_SUPPORTED
info_ptr->gamma = (float)(gamma/100000.);
@@ -502,6 +502,7 @@ png_set_sCAL_s(png_structp png_ptr, png_infop info_ptr,
if (info_ptr->scal_s_height == NULL)
{
png_free (png_ptr, info_ptr->scal_s_width);
info_ptr->scal_s_width = NULL;
png_warning(png_ptr,
"Memory allocation failed while processing sCAL");
return;
@@ -731,7 +732,7 @@ png_set_text(png_structp png_ptr, png_infop info_ptr, png_textp text_ptr,
int num_text)
{
int ret;
ret=png_set_text_2(png_ptr, info_ptr, text_ptr, num_text);
ret = png_set_text_2(png_ptr, info_ptr, text_ptr, num_text);
if (ret)
png_error(png_ptr, "Insufficient memory to store text");
}
@@ -855,13 +856,13 @@ png_set_text_2(png_structp png_ptr, png_infop info_ptr, png_textp text_ptr,
#ifdef PNG_iTXt_SUPPORTED
if (text_ptr[i].compression > 0)
{
textp->lang=textp->key + key_len + 1;
textp->lang = textp->key + key_len + 1;
png_memcpy(textp->lang, text_ptr[i].lang, lang_len);
*(textp->lang + lang_len) = '\0';
textp->lang_key=textp->lang + lang_len + 1;
textp->lang_key = textp->lang + lang_len + 1;
png_memcpy(textp->lang_key, text_ptr[i].lang_key, lang_key_len);
*(textp->lang_key + lang_key_len) = '\0';
textp->text=textp->lang_key + lang_key_len + 1;
textp->text = textp->lang_key + lang_key_len + 1;
}
else
#endif
@@ -870,7 +871,7 @@ png_set_text_2(png_structp png_ptr, png_infop info_ptr, png_textp text_ptr,
textp->lang=NULL;
textp->lang_key=NULL;
#endif
textp->text=textp->key + key_len + 1;
textp->text = textp->key + key_len + 1;
}
if (text_length)
png_memcpy(textp->text, text_ptr[i].text,
@@ -1066,7 +1067,6 @@ png_set_unknown_chunks(png_structp png_ptr,
png_memcpy(np, info_ptr->unknown_chunks,
info_ptr->unknown_chunks_num * png_sizeof(png_unknown_chunk));
png_free(png_ptr, info_ptr->unknown_chunks);
info_ptr->unknown_chunks=NULL;
for (i = 0; i < num_unknowns; i++)
{
@@ -1152,7 +1152,7 @@ png_set_keep_unknown_chunks(png_structp png_ptr, int keep, png_bytep
}
if (chunk_list == NULL)
return;
old_num_chunks=png_ptr->num_chunk_list;
old_num_chunks = png_ptr->num_chunk_list;
new_list=(png_bytep)png_malloc(png_ptr,
(png_size_t)
(5*(num_chunks + old_num_chunks)));
@@ -1165,10 +1165,10 @@ png_set_keep_unknown_chunks(png_structp png_ptr, int keep, png_bytep
}
png_memcpy(new_list + 5*old_num_chunks, chunk_list,
(png_size_t)(5*num_chunks));
for (p=new_list + 5*old_num_chunks + 4, i = 0; i<num_chunks; i++, p += 5)
for (p = new_list + 5*old_num_chunks + 4, i = 0; i<num_chunks; i++, p += 5)
*p=(png_byte)keep;
png_ptr->num_chunk_list=old_num_chunks + num_chunks;
png_ptr->chunk_list=new_list;
png_ptr->num_chunk_list = old_num_chunks + num_chunks;
png_ptr->chunk_list = new_list;
#ifdef PNG_FREE_ME_SUPPORTED
png_ptr->free_me |= PNG_FREE_LIST;
#endif