/*      _______   __   __   __   ______   __   __   _______   __   __
 *     / _____/\ / /\ / /\ / /\ / ____/\ / /\ / /\ / ___  /\ /  |\/ /\
 *    / /\____\// / // / // / // /\___\// /_// / // /\_/ / // , |/ / /
 *   / / /__   / / // / // / // / /    / ___  / // ___  / // /| ' / /
 *  / /_// /\ / /_// / // / // /_/_   / / // / // /\_/ / // / |  / /
 * /______/ //______/ //_/ //_____/\ /_/ //_/ //_/ //_/ //_/ /|_/ /
 * \______\/ \______\/ \_\/ \_____\/ \_\/ \_\/ \_\/ \_\/ \_\/ \_\/
 *
 * Copyright (c) 2004, 2005, 2006, 2007 Olof Naessén and Per Larsson
 *
 *                                                         Js_./
 * Per Larsson a.k.a finalman                          _RqZ{a<^_aa
 * Olof Naessén a.k.a jansem/yakslem                _asww7!uY`>  )\a//
 *                                                 _Qhm`] _f "'c  1!5m
 * Visit: http://guichan.darkbits.org             )Qk<P ` _: :+' .'  "{[
 *                                               .)j(] .d_/ '-(  P .   S
 * License: (BSD)                                <Td/Z <fP"5(\"??"\a.  .L
 * Redistribution and use in source and          _dV>ws?a-?'      ._/L  #'
 * binary forms, with or without                 )4d[#7r, .   '     )d`)[
 * modification, are permitted provided         _Q-5'5W..j/?'   -?!\)cam'
 * that the following conditions are met:       j<<WP+k/);.        _W=j f
 * 1. Redistributions of source code must       .$%w\/]Q  . ."'  .  mj$
 *    retain the above copyright notice,        ]E.pYY(Q]>.   a     J@\
 *    this list of conditions and the           j(]1u<sE"L,. .   ./^ ]{a
 *    following disclaimer.                     4'_uomm\.  )L);-4     (3=
 * 2. Redistributions in binary form must        )_]X{Z('a_"a7'<a"a,  ]"[
 *    reproduce the above copyright notice,       #}<]m7`Za??4,P-"'7. ).m
 *    this list of conditions and the            ]d2e)Q(<Q(  ?94   b-  LQ/
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 *    documentation and/or other materials      .Z!=J ]e []('-4f _ ) -.)m]'
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 *    names of its contributors may be used     =3)= _f  (_yQmWW$#(    "
 *    to endorse or promote products derived     -   W,  sQQQQmZQ#Wwa]..
 *    from this software without specific        (js, \[QQW$QWW#?!V"".
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 *                                                 -]n w/ '         [.
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT       )/ )/           !
 * HOLDERS AND CONTRIBUTORS "AS IS" AND ANY         <  (; sac    ,    '
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 * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF            c <   r
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 * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR        _bQf` y`..)a
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 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES               _Pa,)!f/<[]/  ?"
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 * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,     ?a.<%"'  " -'.a_ _,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION)                     ^
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
 * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

/*
 * For comments regarding functions please see the header file.
 */

#include "guichan/allegro/allegroimageloader.hpp"

#include "guichan/allegro/allegroimage.hpp"
#include "guichan/exception.hpp"

namespace gcn
{
    Image* AllegroImageLoader::load(const std::string& filename, bool convertToDisplayFormat)
    {
#if !(ALLEGRO_VERSION == 4 && ALLEGRO_SUB_VERSION == 0)
        int colconv = get_color_conversion();
#endif

        set_color_conversion(COLORCONV_NONE);

        PALETTE pal;
        BITMAP *bmp = loadBitmap(filename, pal);

        if (bmp == NULL)
        {
            throw GCN_EXCEPTION(std::string("Unable to load: ") + filename);
        }

        BITMAP *bmp2 = create_bitmap_ex(32, bmp->w, bmp->h);

        if (bmp2 == NULL)
        {
            throw GCN_EXCEPTION(std::string("Not enough memory to load: ") + filename);
        }

        set_palette(pal);
        blit(bmp, bmp2, 0, 0, 0, 0, bmp->w, bmp->h);
        destroy_bitmap(bmp);

#if (ALLEGRO_VERSION == 4 && ALLEGRO_SUB_VERSION == 0)
        set_color_conversion(COLORCONV_TOTAL);
#else
        set_color_conversion(colconv);
#endif

        Image *image = new AllegroImage(bmp2, true);

        if (convertToDisplayFormat)
        {
            image->convertToDisplayFormat();
        }

        return image;
    }

    BITMAP* AllegroImageLoader::loadBitmap(const std::string& filename, PALETTE pal)
    {
        return load_bitmap(filename.c_str(), pal);
    }
}