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/*
* Pure Data Packet. Header file for image processing routines (used in modules).
* Copyright (c) by Tom Schouten <pdp@zzz.kotnet.org>
*
* 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., 675 Mass Ave, Cambridge, MA 02139, USA.
*
*/
/* this is a c wrapper around platform specific (mmx) code */
#ifndef PDP_IMAGEPROC_H
#define PDP_IMAGEPROC_H
/*
#ifdef __cplusplus
extern "C"
{
#endif
*/
/****************************** 16 bit signed (pixel) routines ***************************************/
#include "pdp_types.h"
//typedef unsigned long u32;
//typedef unsigned long long u64;
//typedef short s16;
//typedef long s32;
// mix 2 images
void *pdp_imageproc_mix_new(void);
void pdp_imageproc_mix_delete(void *x);
void pdp_imageproc_mix_setleftgain(void *x, float gain);
void pdp_imageproc_mix_setrightgain(void *x, float gain);
void pdp_imageproc_mix_process(void *x, s16 *image, s16 *image2, u32 width, u32 height);
// random mix 2 images
// note: random number generator can be platform specific
// however, it should be seeded. (same seed produces the same result)
// threshold = 0 -> left image
// threshold = 1 -> right image
void *pdp_imageproc_randmix_new(void);
void pdp_imageproc_randmix_delete(void *x);
void pdp_imageproc_randmix_setthreshold(void *x, float threshold);
void pdp_imageproc_randmix_setseed(void *x, float seed);
void pdp_imageproc_randmix_process(void *x, s16 *image, s16 *image2, u32 width, u32 height);
// produce a random image
// note: random number generator can be platform specific
// however, it should be seeded. (same seed produces the same result)
void *pdp_imageproc_random_new(void);
void pdp_imageproc_random_delete(void *x);
void pdp_imageproc_random_setseed(void *x, float seed);
void pdp_imageproc_random_process(void *x, s16 *image, u32 width, u32 height);
// apply a gain to an image
void *pdp_imageproc_gain_new(void);
void pdp_imageproc_gain_delete(void *x);
void pdp_imageproc_gain_setgain(void *x, float gain);
void pdp_imageproc_gain_process(void *x, s16 *image, u32 width, u32 height);
// add two images
void pdp_imageproc_add_process(s16 *image, s16 *image2, u32 width, u32 height);
// mul two images
void pdp_imageproc_mul_process(s16 *image, s16 *image2, u32 width, u32 height);
// affine transformation (applies gain + adds offset)
void *pdp_imageproc_affine_new(void);
void pdp_imageproc_affine_delete(void *x);
void pdp_imageproc_affine_setgain(void *x, float gain);
void pdp_imageproc_affine_setoffset(void *x, float offset);
void pdp_imageproc_affine_process(void *x, s16 *image, u32 width, u32 height);
// 3x1 or 1x3 in place convolution
// orientation
#define PDP_IMAGEPROC_CONV_HORIZONTAL 0
#define PDP_IMAGEPROC_CONV_VERTICAL 1
void *pdp_imageproc_conv_new(void);
void pdp_imageproc_conv_delete(void *x);
void pdp_imageproc_conv_setmin1(void *x, float val);
void pdp_imageproc_conv_setzero(void *x, float val);
void pdp_imageproc_conv_setplus1(void *x, float val);
void pdp_imageproc_conv_setbordercolor(void *x, float intensity);
void pdp_imageproc_conv_process(void *x, s16 *image, u32 width, u32 height, u32 orientation, u32 nbpasses);
// colour rotation for 2 colour planes
// matrix is column encoded
void *pdp_imageproc_crot2d_new(void);
void pdp_imageproc_crot2d_delete(void *x);
void pdp_imageproc_crot2d_setmatrix(void *x, float *matrix);
void pdp_imageproc_crot2d_process(void *x, s16 *image, u32 width, u32 height);
// colour rotation for 3 colour planes
void *pdp_imageproc_crot3d_new(void);
void pdp_imageproc_crot3d_delete(void *x);
void pdp_imageproc_crot3d_setmatrix(void *x, float *matrix);
void pdp_imageproc_crot3d_process(void *x, s16 *image, u32 width, u32 height);
// biquad space
// directions
#define PDP_IMAGEPROC_BIQUAD_TOP2BOTTOM (1<<0)
#define PDP_IMAGEPROC_BIQUAD_BOTTOM2TOP (1<<1)
#define PDP_IMAGEPROC_BIQUAD_LEFT2RIGHT (1<<2)
#define PDP_IMAGEPROC_BIQUAD_RIGHT2LEFT (1<<3)
void *pdp_imageproc_bq_new(void);
void pdp_imageproc_bq_delete(void *x);
void pdp_imageproc_bq_setcoef(void *x, float *coef); // a0,a1,a2,b0,b1,b2
void pdp_imageproc_bq_process(void *x, s16 *image, u32 width, u32 height, u32 direction, u32 nbpasses);
// biquad time
void *pdp_imageproc_bqt_new(void);
void pdp_imageproc_bqt_delete(void *x);
void pdp_imageproc_bqt_setcoef(void *x, float *coef); // a0,a1,a2,b0,b1,b2
void pdp_imageproc_bqt_process(void *x, s16 *image, s16 *state0, s16 *state1, u32 width, u32 height);
/*
#ifdef __cplusplus
}
#endif
*/
#endif //PDP_IMAGEPROC_H
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