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Diffstat (limited to 'gs/src/gxlum.h')
| -rw-r--r-- | gs/src/gxlum.h | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/gs/src/gxlum.h b/gs/src/gxlum.h new file mode 100644 index 000000000..191aad308 --- /dev/null +++ b/gs/src/gxlum.h @@ -0,0 +1,26 @@ +/* Copyright (C) 1992 Aladdin Enterprises. All rights reserved. + + This file is part of Aladdin Ghostscript. + + Aladdin Ghostscript is distributed with NO WARRANTY OF ANY KIND. No author + or distributor accepts any responsibility for the consequences of using it, + or for whether it serves any particular purpose or works at all, unless he + or she says so in writing. Refer to the Aladdin Ghostscript Free Public + License (the "License") for full details. + + Every copy of Aladdin Ghostscript must include a copy of the License, + normally in a plain ASCII text file named PUBLIC. The License grants you + the right to copy, modify and redistribute Aladdin Ghostscript, but only + under certain conditions described in the License. Among other things, the + License requires that the copyright notice and this notice be preserved on + all copies. +*/ + +/* gxlum.h */ +/* Luminance computation parameters for Ghostscript */ + +/* Color weights used for computing luminance. */ +#define lum_red_weight 30 +#define lum_green_weight 59 +#define lum_blue_weight 11 +#define lum_all_weights (lum_red_weight + lum_green_weight + lum_blue_weight) |