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- /*
- * "$Id: channel.h,v 1.6 2005/07/03 22:13:36 rlk Exp $"
- *
- * libgimpprint header.
- *
- * Copyright 1997-2000 Michael Sweet (mike@easysw.com) and
- * Robert Krawitz (rlk@alum.mit.edu)
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the Free
- * Software Foundation; either version 2 of the License, or (at your option)
- * any later version.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
- * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
- * for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
- *
- * Revision History:
- *
- * See ChangeLog
- */
-
- /**
- * @file gutenprint/channel.h
- * @brief Channel functions.
- */
-
- /*
- * This file must include only standard C header files. The core code must
- * compile on generic platforms that don't support glib, gimp, gtk, etc.
- */
-
- #ifndef GUTENPRINT_CHANNEL_H
- #define GUTENPRINT_CHANNEL_H
-
- #ifdef __cplusplus
- extern "C" {
- #endif
-
-
- extern void stp_channel_reset(stp_vars_t *v);
- extern void stp_channel_reset_channel(stp_vars_t *v, int channel);
-
- extern void stp_channel_add(stp_vars_t *v, unsigned channel,
- unsigned subchannel, double value);
- extern double stp_channel_get_value(stp_vars_t *v, unsigned channel,
- unsigned subchannel);
-
- extern void stp_channel_set_density_adjustment(stp_vars_t *v,
- int color, int subchannel,
- double adjustment);
- extern double stp_channel_get_density_adjustment(stp_vars_t *v,
- int color, int subchannel);
- extern void stp_channel_set_ink_limit(stp_vars_t *v, double limit);
- extern double stp_channel_get_ink_limit(stp_vars_t *v);
- extern void stp_channel_set_cutoff_adjustment(stp_vars_t *v,
- int color, int subchannel,
- double adjustment);
- extern double stp_channel_get_cutoff_adjustment(stp_vars_t *v,
- int color, int subchannel);
- extern void stp_channel_set_black_channel(stp_vars_t *v, int channel);
- extern int stp_channel_get_black_channel(stp_vars_t *v);
- extern void stp_channel_set_gloss_channel(stp_vars_t *v, int channel);
- extern int stp_channel_get_gloss_channel(stp_vars_t *v);
- extern void stp_channel_set_gloss_limit(stp_vars_t *v, double limit);
- extern double stp_channel_get_gloss_limit(stp_vars_t *v);
- extern void stp_channel_set_curve(stp_vars_t *v, int channel,
- const stp_curve_t *curve);
- extern const stp_curve_t *stp_channel_get_curve(stp_vars_t *v, int channel);
- extern void stp_channel_set_gcr_curve(stp_vars_t *v, const stp_curve_t *curve);
- extern const stp_curve_t *stp_channel_get_gcr_curve(stp_vars_t *v);
-
- extern void stp_channel_initialize(stp_vars_t *v, stp_image_t *image,
- int input_channel_count);
-
- extern void stp_channel_convert(const stp_vars_t *v, unsigned *zero_mask);
-
- extern unsigned short * stp_channel_get_input(const stp_vars_t *v);
-
- extern unsigned short * stp_channel_get_output(const stp_vars_t *v);
-
- #ifdef __cplusplus
- }
- #endif
-
- #endif /* GUTENPRINT_CHANNEL_H */
-