gp_progress_callback.h

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// SPDX-License-Identifier: LGPL-2.1-or-later
/*
 * Copyright (C) 2009-2024 Cyril Hrubis <metan@ucw.cz>
 */
 
#ifndef CORE_GP_PROGRESS_CALLBACK_H
#define CORE_GP_PROGRESS_CALLBACK_H
 
#include <core/gp_types.h>
 
struct gp_progress_cb {
        float percentage;
 
        int (*callback)(struct gp_progress_cb *self);
        void *priv;
 
        int flags;
 
        unsigned int threads;
};
 
static inline int gp_progress_cb_report(gp_progress_cb *callback,
                                        unsigned int val, unsigned int max,
                                        unsigned int mul __attribute__((unused)))
{
        if (!callback)
                return 0;
 
        if (val % 100)
                return 0;
 
        callback->percentage = 100.00 * val / max;
        return callback->callback(callback);
}
 
static inline void gp_progress_cb_done(gp_progress_cb *callback)
{
        if (!callback)
                return;
 
        callback->percentage = 100;
        callback->callback(callback);
}
 
#define GP_PROGRESS_CALLBACK(name, pcallback, ppriv) \
        gp_progress_cb name = {                      \
                .callback = pcallback,               \
                .priv = ppriv,                       \
        };
 
#endif /* CORE_GP_PROGRESS_CALBACK_H */