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Imported from libpng-1.0.6a.tar

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This commit is contained in:
Glenn Randers-Pehrson
2000-04-01 21:10:05 -06:00
parent 520a764cd7
commit 68ea243ca3
44 changed files with 316 additions and 264 deletions
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14
pngwutil.c
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@@ -1,7 +1,7 @@
/* pngwutil.c - utilities to write a PNG file
*
* libpng 1.0.6 - March 21, 2000
* libpng 1.0.6a - April 2, 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
@@ -795,7 +795,9 @@ png_write_cHRM(png_structp png_ptr, double white_x, double white_y,
white_x + white_y > 1.0)
{
png_warning(png_ptr, "Invalid cHRM white point specified");
#if !defined(PNG_NO_STDIO)
printf("white_x=%f, white_y=%f\n",white_x, white_y);
#endif
return;
}
itemp = (png_uint_32)(white_x * 100000.0 + 0.5);
@@ -856,7 +858,9 @@ png_write_cHRM_fixed(png_structp png_ptr, png_fixed_point white_x,
if (white_x > 80000L || white_y > 80000L || white_x + white_y > 100000L)
{
png_warning(png_ptr, "Invalid fixed cHRM white point specified");
#if !defined(PNG_NO_STDIO)
printf("white_x=%ld, white_y=%ld\n",white_x, white_y);
#endif
return;
}
png_save_uint_32(buf, white_x);
@@ -1381,7 +1385,7 @@ png_write_pCAL(png_structp png_ptr, png_charp purpose, png_int_32 X0,
#if defined(PNG_WRITE_sCAL_SUPPORTED)
/* write the sCAL chunk */
#ifdef PNG_FLOATING_POINT_SUPPORTED
#if defined(PNG_FLOATING_POINT_SUPPORTED) && !defined(PNG_NO_STDIO)
void
png_write_sCAL(png_structp png_ptr, int unit, double width,double height)
{
@@ -1417,10 +1421,10 @@ png_write_sCAL_s(png_structp png_ptr, int unit, png_charp width,
png_size_t total_len;
char wbuf[32], hbuf[32];
png_debug(1, "in png_write_sCAL\n");
png_debug(1, "in png_write_sCAL_s\n");
sprintf(wbuf, "%s", width);
sprintf(hbuf, "%s", height);
strcpy(wbuf,(const char *)width);
strcpy(hbuf,(const char *)height);
total_len = 1 + png_strlen(wbuf)+1 + png_strlen(hbuf);
png_debug1(3, "sCAL total length = %d\n", total_len);