libpipi/pipi/codec.c

/*
 *  libpipi       Proper image processing implementation library
 *  Copyright (c) 2004-2008 Sam Hocevar <sam@zoy.org>
 *                All Rights Reserved
 *
 *  $Id$
 *
 *  This library is free software. It comes without any warranty, to
 *  the extent permitted by applicable law. You can redistribute it
 *  and/or modify it under the terms of the Do What The Fuck You Want
 *  To Public License, Version 2, as published by Sam Hocevar. See
 *  http://sam.zoy.org/wtfpl/COPYING for more details.
 */

/*
 * codec.c: image I/O functions
 */

#include <stdio.h>
#include <stdlib.h>

#include "config.h"
#include "common.h"

#include "pipi.h"
#include "pipi_internals.h"

pipi_image_t *pipi_load(const char *name)
{
#if USE_SDL
    return pipi_load_sdl(name);
#elif USE_IMLIB2
    return pipi_load_imlib2(name);
#elif USE_OPENCV
    return pipi_load_opencv(name);
#else
#   error "No imaging library"
#endif
}

pipi_image_t *pipi_new(int width, int height)
{
#if USE_SDL
    return pipi_new_sdl(width, height);
#elif USE_IMLIB2
    return pipi_new_imlib2(width, height);
#elif USE_OPENCV
    return pipi_new_opencv(width, height);
#endif
}

pipi_image_t *pipi_copy(pipi_image_t const *img)
{
    pipi_image_t *dst;
    int x, y;
    dst = pipi_new(img->width, img->height);
    for(y = 0; y < img->height; y++)
    {
        for(x = 0; x < img->width; x++)
        {
            double r, g, b;
            pipi_getpixel(img, x, y, &r, &g, &b);
            pipi_setpixel(dst, x, y, r, g, b);
        }
    }
    return dst;
}

void pipi_free(pipi_image_t *img)
{
#if USE_SDL
    return pipi_free_sdl(img);
#elif USE_IMLIB2
    return pipi_free_imlib2(img);
#elif USE_OPENCV
    return pipi_free_opencv(img);
#endif
}

void pipi_save(pipi_image_t *img, const char *name)
{
#if USE_SDL
    return pipi_save_sdl(img, name);
#elif USE_IMLIB2
    return pipi_save_imlib2(img, name);
#elif USE_OPENCV
    return pipi_save_opencv(img, name);
#endif
}