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[libpng15] Fixed build when using #define PNG_NO_READ_GAMMA in png_do_compose()

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in pngrtran.c (Domani Hannes).
This commit is contained in:
Glenn Randers-Pehrson
2012-10-24 11:10:49 -05:00
parent 33b90debc5
commit 7c699f27fc
3 changed files with 18 additions and 4 deletions
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4
pngrtran.c
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@@ -3920,7 +3920,7 @@ png_do_compose(png_row_infop row_info, png_bytep row, png_structp png_ptr)
*sp = (png_byte)png_ptr->background.gray;
else if (a < 0xff)
png_composite(*sp, *sp, a, png_ptr->background_1.gray);
png_composite(*sp, *sp, a, png_ptr->background.gray);
}
}
}
@@ -3989,7 +3989,7 @@ png_do_compose(png_row_infop row_info, png_bytep row, png_structp png_ptr)
png_uint_16 g, v;
g = (png_uint_16)(((*sp) << 8) + *(sp + 1));
png_composite_16(v, g, a, png_ptr->background_1.gray);
png_composite_16(v, g, a, png_ptr->background.gray);
*sp = (png_byte)((v >> 8) & 0xff);
*(sp + 1) = (png_byte)(v & 0xff);
}