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/*
* PiDiP module.
* Copyright (c) by Yves Degoyon (ydegoyon@free.fr)
*
* 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.
*
*/
#include "pdp.h"
#include "yuv.h"
#include "time.h"
#include "sys/time.h"
#define DEFAULT_RED_VALUE 255
#define DEFAULT_GREEN_VALUE 255
#define DEFAULT_BLUE_VALUE 255
#define DEFAULT_WIDTH 320
#define DEFAULT_HEIGHT 240
typedef struct pdp_background_struct
{
t_object x_obj;
t_outlet *x_outlet0;
int x_packet0;
int x_colorR;
int x_colorG;
int x_colorB;
int x_colorY;
int x_colorU;
int x_colorV;
int x_width;
int x_height;
} t_pdp_background;
static void pdp_background_bang(t_pdp_background *x)
{
t_pdp *header;
unsigned char *data;
unsigned char *pY, *pU, *pV;
int px, py;
x->x_packet0 = pdp_packet_new_bitmap_yv12( x->x_width, x->x_height );
data = (unsigned char *)pdp_packet_data(x->x_packet0);
pY = data;
pV = data+(x->x_width*x->x_height);
pU = data+(x->x_width*x->x_height)+((x->x_width*x->x_height)>>2);
memset( pY, (unsigned char)x->x_colorY, x->x_width*x->x_height );
memset( pV, (unsigned char)x->x_colorV, (x->x_width*x->x_height>>2) );
memset( pU, (unsigned char)x->x_colorU, (x->x_width*x->x_height>>2) );
pdp_packet_pass_if_valid(x->x_outlet0, &x->x_packet0);
}
static void pdp_background_dim(t_pdp_background *x, t_floatarg fwidth, t_floatarg fheight)
{
if ( ( (int)fwidth>0 ) && ( (int) fheight>0 ) )
{
if ( ((int)fwidth)%8 == 0 )
{
x->x_width = (int)fwidth;
}
else
{
x->x_width = (int)fwidth + (8-((int)fwidth)%8); // align on 8
}
if ( ((int)fheight)%8 == 0 )
{
x->x_height = (int)fheight;
}
else
{
x->x_height = (int)fheight + (8-((int)fheight)%8); // align on 8
}
}
}
static void pdp_background_red(t_pdp_background *x, t_floatarg fred)
{
if ( ( (int)fred>=0 ) && ( (int) fred <= 255 ) )
{
x->x_colorR = (int) fred;
x->x_colorY = yuv_RGBtoY( (x->x_colorR << 16) + (x->x_colorG << 8) + x->x_colorB );
x->x_colorU = yuv_RGBtoU( (x->x_colorR << 16) + (x->x_colorG << 8) + x->x_colorB );
x->x_colorV = yuv_RGBtoV( (x->x_colorR << 16) + (x->x_colorG << 8) + x->x_colorB );
}
}
static void pdp_background_green(t_pdp_background *x, t_floatarg fgreen)
{
if ( ( (int)fgreen>=0 ) && ( (int) fgreen <= 255 ) )
{
x->x_colorG = (int) fgreen;
x->x_colorY = yuv_RGBtoY( (x->x_colorR << 16) + (x->x_colorG << 8) + x->x_colorB );
x->x_colorU = yuv_RGBtoU( (x->x_colorR << 16) + (x->x_colorG << 8) + x->x_colorB );
x->x_colorV = yuv_RGBtoV( (x->x_colorR << 16) + (x->x_colorG << 8) + x->x_colorB );
}
}
static void pdp_background_blue(t_pdp_background *x, t_floatarg fblue)
{
if ( ( (int)fblue>=0 ) && ( (int) fblue <= 255 ) )
{
x->x_colorB = (int) fblue;
x->x_colorY = yuv_RGBtoY( (x->x_colorR << 16) + (x->x_colorG << 8) + x->x_colorB );
x->x_colorU = yuv_RGBtoU( (x->x_colorR << 16) + (x->x_colorG << 8) + x->x_colorB );
x->x_colorV = yuv_RGBtoV( (x->x_colorR << 16) + (x->x_colorG << 8) + x->x_colorB );
}
}
static void pdp_background_free(t_pdp_background *x)
{
// nothing to do
}
t_class *pdp_background_class;
void *pdp_background_new(void)
{
t_pdp_background *x = (t_pdp_background *)pd_new(pdp_background_class);
inlet_new(&x->x_obj, &x->x_obj.ob_pd, gensym("float"), gensym("red"));
inlet_new(&x->x_obj, &x->x_obj.ob_pd, gensym("float"), gensym("green"));
inlet_new(&x->x_obj, &x->x_obj.ob_pd, gensym("float"), gensym("blue"));
x->x_outlet0 = outlet_new(&x->x_obj, &s_anything);
x->x_colorR = DEFAULT_RED_VALUE;
x->x_colorG = DEFAULT_GREEN_VALUE;
x->x_colorB = DEFAULT_BLUE_VALUE;
x->x_colorY = yuv_RGBtoY( (x->x_colorR << 16) + (x->x_colorG << 8) + x->x_colorB );
x->x_colorU = yuv_RGBtoU( (x->x_colorR << 16) + (x->x_colorG << 8) + x->x_colorB );
x->x_colorV = yuv_RGBtoV( (x->x_colorR << 16) + (x->x_colorG << 8) + x->x_colorB );
x->x_width = DEFAULT_WIDTH;
x->x_height = DEFAULT_HEIGHT;
x->x_packet0 = -1;
return (void *)x;
}
#ifdef __cplusplus
extern "C"
{
#endif
void pdp_background_setup(void)
{
pdp_background_class = class_new(gensym("pdp_background"), (t_newmethod)pdp_background_new,
(t_method)pdp_background_free, sizeof(t_pdp_background), 0, A_NULL);
class_addmethod(pdp_background_class, (t_method)pdp_background_bang, gensym("bang"), A_NULL);
class_addmethod(pdp_background_class, (t_method)pdp_background_red, gensym("red"), A_FLOAT, A_NULL);
class_addmethod(pdp_background_class, (t_method)pdp_background_green, gensym("green"), A_FLOAT, A_NULL);
class_addmethod(pdp_background_class, (t_method)pdp_background_blue, gensym("blue"), A_FLOAT, A_NULL);
class_addmethod(pdp_background_class, (t_method)pdp_background_dim, gensym("dim"), A_FLOAT, A_FLOAT, A_NULL);
}
#ifdef __cplusplus
}
#endif
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