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/*
* Copyright 1994-2012 Olivier Girondel
*
* This file is part of lebiniou.
*
* lebiniou 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.
*
* lebiniou 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 lebiniou. If not, see <http://www.gnu.org/licenses/>.
*/
/* begin blabla intro */
/*
* This is a very simple plugin that will show you:
*
* . what is necessary to define a new plugin
* . basic 2d graphic functions
* . access to the input/sound buffer
* . plugin modes & options
*
*/
/* end blabla intro */
/* You first need to include this file */
#include "context.h"
/* The plugin's id. MUST be unique.
* Convention is to use the UNIX timestamp of when you
* start coding the plugin, basically the $ date "+%s"
* command in the shell */
u_long id = 944338581;
u_long options = BE_GFX \
| BEQ_UNIQUE \
| BEQ_NORANDOM;
u_long mode = OVERLAY;
char dname[] = "The foo plugin";
char desc[] = "Basic/demo plugin";
static u_short x, y;
void
create(__attribute__ ((unused)) Context_t *ctx)
{
x = CENTERX;
y = CENTERY;
}
void
destroy(__attribute__ ((unused)) Context_t *ctx)
{
}
void
run(Context_t *ctx)
{
static u_short idx = 0;
u_short steps, s;
Buffer8_t *dst;
if (ctx->input == NULL)
return;
steps = (u_short)(drand48() * 100);
dst = passive_buffer(ctx);
Buffer8_clear(dst);
pthread_mutex_lock(&ctx->input->mutex);
if (drand48() < .5)
for (s = 0; s < steps; s++) {
Pixel_t c = ctx->input->data_u[A_MONO][idx] * 255;
set_pixel_nc(dst, x++, y, c);
if (x == WIDTH) {
x = 0;
if (++y == HEIGHT)
y = 0;
}
if (++idx == ctx->input->size)
idx = 0;
}
else
for (s = 0; s < steps; s++) {
Pixel_t c = ctx->input->data_u[A_MONO][idx] * 255;
set_pixel_nc(dst, x, y++, c);
if (y == HEIGHT) {
y = 0;
if (++x == WIDTH)
x = 0;
}
if (++idx == ctx->input->size)
idx = 0;
}
pthread_mutex_unlock(&ctx->input->mutex);
}
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