Changed local variable "gamma" to "png_gamma"

This avoids a "shadowed declaration" variable when compiling with
"gcc -Wshadow ..." due to another use of this name in math.h on
some platforms.
This commit is contained in:
Glenn Randers-Pehrson 2009-04-19 07:52:22 -05:00
parent 4ec05bf614
commit 8764c2595d

View File

@ -1,7 +1,7 @@
/* pngset.c - storage of image information into info struct
*
* Last changed in libpng 1.4.0 [April 18, 2009]
* Last changed in libpng 1.4.0 [April 19, 2009]
* For conditions of distribution and use, see copyright notice in png.h
* Copyright (c) 1998-2009 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
@ -108,7 +108,7 @@ png_set_cHRM_fixed(png_structp png_ptr, png_infop info_ptr,
void PNGAPI
png_set_gAMA(png_structp png_ptr, png_infop info_ptr, double file_gamma)
{
double gamma;
double png_gamma;
png_debug1(1, "in %s storage function", "gAMA");
if (png_ptr == NULL || info_ptr == NULL)
return;
@ -117,16 +117,16 @@ png_set_gAMA(png_structp png_ptr, png_infop info_ptr, double file_gamma)
if (file_gamma > 21474.83)
{
png_warning(png_ptr, "Limiting gamma to 21474.83");
gamma=21474.83;
png_gamma=21474.83;
}
else
gamma = file_gamma;
info_ptr->gamma = (float)gamma;
png_gamma = file_gamma;
info_ptr->gamma = (float)png_gamma;
#ifdef PNG_FIXED_POINT_SUPPORTED
info_ptr->int_gamma = (int)(gamma*100000.+.5);
#endif
info_ptr->valid |= PNG_INFO_gAMA;
if (gamma == 0.0)
if (png_gamma == 0.0)
png_warning(png_ptr, "Setting gamma=0");
}
#endif
@ -134,7 +134,7 @@ void PNGAPI
png_set_gAMA_fixed(png_structp png_ptr, png_infop info_ptr, png_fixed_point
int_gamma)
{
png_fixed_point gamma;
png_fixed_point png_gamma;
png_debug1(1, "in %s storage function", "gAMA");
if (png_ptr == NULL || info_ptr == NULL)
@ -143,26 +143,26 @@ png_set_gAMA_fixed(png_structp png_ptr, png_infop info_ptr, png_fixed_point
if (int_gamma > (png_fixed_point) PNG_UINT_31_MAX)
{
png_warning(png_ptr, "Limiting gamma to 21474.83");
gamma=PNG_UINT_31_MAX;
png_gamma=PNG_UINT_31_MAX;
}
else
{
if (int_gamma < 0)
{
png_warning(png_ptr, "Setting negative gamma to zero");
gamma = 0;
png_gamma = 0;
}
else
gamma = int_gamma;
png_gamma = int_gamma;
}
#ifdef PNG_FLOATING_POINT_SUPPORTED
info_ptr->gamma = (float)(gamma/100000.);
#endif
#ifdef PNG_FIXED_POINT_SUPPORTED
info_ptr->int_gamma = gamma;
info_ptr->int_gamma = png_gamma;
#endif
info_ptr->valid |= PNG_INFO_gAMA;
if (gamma == 0)
if (png_gamma == 0)
png_warning(png_ptr, "Setting gamma=0");
}
#endif