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Imported from libpng-1.2.9beta2.tar

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This commit is contained in:
Glenn Randers-Pehrson
2006-02-22 09:19:25 -06:00
parent 9c3ab68145
commit ddfebd35be
72 changed files with 3594 additions and 3526 deletions
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19
pngwutil.c
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@@ -1,7 +1,7 @@
/* pngwutil.c - utilities to write a PNG file
*
* libpng version 1.2.9beta1 - February 21, 2006
* libpng version 1.2.9beta2 - February 22, 2006
* For conditions of distribution and use, see copyright notice in png.h
* Copyright (c) 1998-2006 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
@@ -25,7 +25,6 @@ png_save_uint_32(png_bytep buf, png_uint_32 i)
buf[3] = (png_byte)(i & 0xff);
}
#if defined(PNG_WRITE_pCAL_SUPPORTED) || defined(PNG_WRITE_oFFs_SUPPORTED)
/* The png_save_int_32 function assumes integers are stored in two's
* complement format. If this isn't the case, then this routine needs to
* be modified to write data in two's complement format.
@@ -38,7 +37,6 @@ png_save_int_32(png_bytep buf, png_int_32 i)
buf[2] = (png_byte)((i >> 8) & 0xff);
buf[3] = (png_byte)(i & 0xff);
}
#endif
/* Place a 16-bit number into a buffer in PNG byte order.
* The parameter is declared unsigned int, not png_uint_16,
@@ -939,8 +937,7 @@ png_write_cHRM(png_structp png_ptr, double white_x, double white_y,
itemp = (png_uint_32)(white_y * 100000.0 + 0.5);
png_save_uint_32(buf + 4, itemp);
if (red_x < 0 || red_x > 0.8 || red_y < 0 || red_y > 0.8 ||
red_x + red_y > 1.0)
if (red_x < 0 || red_y < 0 || red_x + red_y > 1.0)
{
png_warning(png_ptr, "Invalid cHRM red point specified");
return;
@@ -950,8 +947,7 @@ png_write_cHRM(png_structp png_ptr, double white_x, double white_y,
itemp = (png_uint_32)(red_y * 100000.0 + 0.5);
png_save_uint_32(buf + 12, itemp);
if (green_x < 0 || green_x > 0.8 || green_y < 0 || green_y > 0.8 ||
green_x + green_y > 1.0)
if (green_x < 0 || green_y < 0 || green_x + green_y > 1.0)
{
png_warning(png_ptr, "Invalid cHRM green point specified");
return;
@@ -961,8 +957,7 @@ png_write_cHRM(png_structp png_ptr, double white_x, double white_y,
itemp = (png_uint_32)(green_y * 100000.0 + 0.5);
png_save_uint_32(buf + 20, itemp);
if (blue_x < 0 || blue_x > 0.8 || blue_y < 0 || blue_y > 0.8 ||
blue_x + blue_y > 1.0)
if (blue_x < 0 || blue_y < 0 || blue_x + blue_y > 1.0)
{
png_warning(png_ptr, "Invalid cHRM blue point specified");
return;
@@ -1000,7 +995,7 @@ png_write_cHRM_fixed(png_structp png_ptr, png_fixed_point white_x,
png_save_uint_32(buf, (png_uint_32)white_x);
png_save_uint_32(buf + 4, (png_uint_32)white_y);
if (red_x > 80000L || red_y > 80000L || red_x + red_y > 100000L)
if (red_x + red_y > 100000L)
{
png_warning(png_ptr, "Invalid cHRM fixed red point specified");
return;
@@ -1008,7 +1003,7 @@ png_write_cHRM_fixed(png_structp png_ptr, png_fixed_point white_x,
png_save_uint_32(buf + 8, (png_uint_32)red_x);
png_save_uint_32(buf + 12, (png_uint_32)red_y);
if (green_x > 80000L || green_y > 80000L || green_x + green_y > 100000L)
if (green_x + green_y > 100000L)
{
png_warning(png_ptr, "Invalid fixed cHRM green point specified");
return;
@@ -1016,7 +1011,7 @@ png_write_cHRM_fixed(png_structp png_ptr, png_fixed_point white_x,
png_save_uint_32(buf + 16, (png_uint_32)green_x);
png_save_uint_32(buf + 20, (png_uint_32)green_y);
if (blue_x > 80000L || blue_y > 80000L || blue_x + blue_y > 100000L)
if (blue_x + blue_y > 100000L)
{
png_warning(png_ptr, "Invalid fixed cHRM blue point specified");
return;