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[devel] Added PNG_WRITE_16BIT_SUPPORTED option.

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This commit is contained in:
Glenn Randers-Pehrson
2010-08-26 17:14:07 -05:00
parent 07d9fc9478
commit 7d3e6732fb
7 changed files with 36 additions and 3 deletions
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10
pngwtran.c
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@@ -393,6 +393,7 @@ png_do_write_swap_alpha(png_row_infop row_info, png_bytep row)
}
}
#ifdef PNG_WRITE_16BIT_SUPPORTED
else
{
/* This converts from AARRGGBB to RRGGBBAA */
@@ -415,6 +416,7 @@ png_do_write_swap_alpha(png_row_infop row_info, png_bytep row)
*(dp++) = save[1];
}
}
#endif /* PNG_WRITE_16BIT_SUPPORTED */
}
else if (row_info->color_type == PNG_COLOR_TYPE_GRAY_ALPHA)
@@ -434,6 +436,7 @@ png_do_write_swap_alpha(png_row_infop row_info, png_bytep row)
}
}
#ifdef PNG_WRITE_16BIT_SUPPORTED
else
{
/* This converts from AAGG to GGAA */
@@ -452,6 +455,7 @@ png_do_write_swap_alpha(png_row_infop row_info, png_bytep row)
*(dp++) = save[1];
}
}
#endif /* PNG_WRITE_16BIT_SUPPORTED */
}
}
}
@@ -485,6 +489,7 @@ png_do_write_invert_alpha(png_row_infop row_info, png_bytep row)
}
}
#ifdef PNG_WRITE_16BIT_SUPPORTED
else
{
/* This inverts the alpha channel in RRGGBBAA */
@@ -507,6 +512,7 @@ png_do_write_invert_alpha(png_row_infop row_info, png_bytep row)
*(dp++) = (png_byte)(255 - *(sp++));
}
}
#endif /* PNG_WRITE_16BIT_SUPPORTED */
}
else if (row_info->color_type == PNG_COLOR_TYPE_GRAY_ALPHA)
@@ -525,6 +531,7 @@ png_do_write_invert_alpha(png_row_infop row_info, png_bytep row)
}
}
#ifdef PNG_WRITE_16BIT_SUPPORTED
else
{
/* This inverts the alpha channel in GGAA */
@@ -543,6 +550,7 @@ png_do_write_invert_alpha(png_row_infop row_info, png_bytep row)
*(dp++) = (png_byte)(255 - *(sp++));
}
}
#endif /* PNG_WRITE_16BIT_SUPPORTED */
}
}
}
@@ -580,6 +588,7 @@ png_do_write_intrapixel(png_row_infop row_info, png_bytep row)
}
}
#ifdef PNG_WRITE_16BIT_SUPPORTED
else if (row_info->bit_depth == 16)
{
png_bytep rp;
@@ -607,6 +616,7 @@ png_do_write_intrapixel(png_row_infop row_info, png_bytep row)
*(rp + 5) = (png_byte)(blue & 0xff);
}
}
#endif /* PNG_WRITE_16BIT_SUPPORTED */
}
}
#endif /* PNG_MNG_FEATURES_SUPPORTED */