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channels.h

/*    channels.h
      Copyright (C) 2006-2008 Mark Tyler and Dmitry Groshev

      This file is part of mtPaint.

      mtPaint 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 3 of the License, or
      (at your option) any later version.

      mtPaint 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 mtPaint in the file COPYING.
*/

int overlay_alpha;
int hide_image;
int RGBA_mode;

unsigned char channel_rgb[NUM_CHANNELS][3];
unsigned char channel_opacity[NUM_CHANNELS];
unsigned char channel_inv[NUM_CHANNELS];

unsigned char channel_fill[NUM_CHANNELS];
unsigned char channel_col_[2][NUM_CHANNELS];
#define channel_col_A channel_col_[0]
#define channel_col_B channel_col_[1]

int channel_dis[NUM_CHANNELS];

void pressed_channel_create(int channel);
void pressed_channel_delete();
void pressed_channel_edit(int state, int channel);
void pressed_channel_disable(int state, int channel);
void pressed_threshold();
void pressed_unassociate();
void pressed_channel_toggle(int state, int what);
void pressed_RGBA_toggle(int state);

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