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/*
* Copyright (C) 2018-2019 - Vito Caputo - <vcaputo@pengaru.com>
*
* This program is free software: you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 3 as published
* by the Free Software Foundation.
*
* 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, see <http://www.gnu.org/licenses/>.
*/
#ifndef _STAGE_H
#define _STAGE_H
#define STAGE_NAME_MAX 16
#define STAGE_LAYERS_MAX 10
typedef struct stage_t stage_t;
typedef void (stage_prepare_func_t)(stage_t *stage, void *object, float alpha, void *render_ctxt);
typedef void (stage_render_func_t)(const stage_t *stage, void *object, float alpha, void *render_ctxt);
typedef void (stage_free_func_t)(const stage_t *stage, void *object);
typedef struct stage_ops_t {
stage_prepare_func_t *prepare_func; /* pre-render object */
stage_render_func_t *render_func; /* render object */
stage_free_func_t *free_func; /* free object */
} stage_ops_t;
typedef struct stage_conf_t {
stage_t *parent;
int layer;
const char *name;
float alpha;
unsigned active:1;
unsigned locked:1;
} stage_conf_t;
stage_t * stage_new(const stage_conf_t *conf, const stage_ops_t *ops, void *object);
void stage_replace(stage_t *stage, const char *name, const stage_ops_t *ops, void *object);
stage_t * stage_free(stage_t *stage);
int stage_render(stage_t *stage, void *render_ctxt);
void stage_dirty(stage_t *stage);
void stage_clear(stage_t *stage);
void stage_set_object(stage_t *stage, void *object);
void * stage_get_object(const stage_t *stage);
void stage_set_alpha(stage_t *stage, float alpha);
float stage_get_alpha(const stage_t *stage);
void stage_set_active(stage_t *stage, int active);
int stage_get_active(const stage_t *stage);
void stage_set_locked(stage_t *stage, int locked);
int stage_get_locked(const stage_t *stage);
void stage_set_layer(stage_t *stage, int layer);
stage_t * stage_lookup_name(stage_t *stage, const char *name);
#endif
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