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/*
* Copyright 1994-2020 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/>.
*/
#ifndef __SCANLINE_H
#define __SCANLINE_H
#include "parameters.h"
// scanline direction
static enum Direction direction;
static int current_direction;
// line thickness
static int thickness;
static uint16_t size;
// compatibility for the scanline_y plugin
#ifdef __SCANLINE_Y
#define LEFTWARDS DOWNWARDS
#define RIGHTWARDS UPWARDS
#endif
json_t *
get_parameters(const uint8_t fetch_all)
{
json_t *params = json_object();
plugin_parameters_add_string_list(params, BPP_DIRECTION, DIRECTION_NB, direction_list, direction, DIRECTION_NB-1, "Direction");
plugin_parameters_add_int(params, BPP_THICKNESS, thickness, 1, 10, 1, "Line thickness");
return params;
}
static void
set_size(void)
{
size = MAX(SIZE * thickness / 100.0, 1);
}
void
set_parameters(const Context_t *ctx, const json_t *in_parameters)
{
if (plugin_parameter_parse_string_list_as_int_range(in_parameters, BPP_DIRECTION, DIRECTION_NB, direction_list, (int *)&direction) & PLUGIN_PARAMETER_CHANGED) {
switch (direction) {
case LEFTWARDS:
current_direction = -1;
break;
case RIGHTWARDS:
current_direction = +1;
break;
case BOUNCE:
default:
current_direction = b_rand_boolean() ? -1 : +1;
break;
}
}
if (plugin_parameter_parse_int_range(in_parameters, BPP_THICKNESS, &thickness) & PLUGIN_PARAMETER_CHANGED) {
set_size();
}
}
json_t *
parameters(const Context_t *ctx, const json_t *in_parameters, const uint8_t fetch_all)
{
if (NULL != in_parameters) {
set_parameters(ctx, in_parameters);
}
return get_parameters(fetch_all);
}
void on_switch_on(Context_t *);
int8_t
create(Context_t *ctx)
{
on_switch_on(ctx);
return 1;
}
#endif /* __SCANLINE_H */
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