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/****************************************************************************
Copyright (C) 2010 Laszlo Simon <laszlo.simon@gmail.com>
This file is part of the HidraVFX project.
HidraVFX 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.
HidraVFX 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 HidraVFX. If not, see <http://www.gnu.org/licenses/>.
****************************************************************************/
#ifndef LAYER_H_
#define LAYER_H_
#include "color.h"
typedef float* tLineF;
typedef tLineF* tMapF;
#define CHANNELS 4
typedef struct
{
int l, t, w, h;
tMapF ch[CHANNELS];
float bg[CHANNELS];
}
tLayerF;
extern tLayerF layerF(int w, int h);
extern tLayerF layerbg(float bg);
extern tLayerF layerbgs(float bgs[]);
float getaapix(tLayerF l, int ch, float x, float y);
void setpix(tLayerF l, int ch, int x, int y, float pix);
float getpix(tLayerF l, int ch, int x, int y);
typedef struct
{
float min[CHANNELS]; /**< minimum value per channel*/
float max[CHANNELS]; /**< maximum value per channel*/
float mean[CHANNELS];/**< mean value per channel*/
float intmin; /**< minimum intensity value */
float intmax; /**< maximum intensity value */
float intmean; /**< mean intensity value */
int visible; /**< visible pixels */
}
tLayerStats;
extern int stats(tLayerF srcimg, tLayerStats *stats);
#endif
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