/*

 * LIBOIL - Library of Optimized Inner Loops

 * Copyright (c) 2003,2004 David A. Schleef <ds@schleef.org>

 * All rights reserved.

 *

 * Redistribution and use in source and binary forms, with or without

 * modification, are permitted provided that the following conditions

 * are met:

 * 1. Redistributions of source code must retain the above copyright

 *    notice, this list of conditions and the following disclaimer.

 * 2. Redistributions in binary form must reproduce the above copyright

 *    notice, this list of conditions and the following disclaimer in the

 *    documentation and/or other materials provided with the distribution.

 * 

 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR

 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED

 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE

 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,

 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES

 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR

 * SERVICES; LOSS OF USE, 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.

 */

//Portions Copyright (c)  2008-2009 Nokia Corporation and/or its subsidiary(-ies). All rights reserved. 

#ifdef HAVE_CONFIG_H

#include "config.h"

#endif

#include <liboil/liboilfunction.h>

#include "liboil/liboilcolorspace.h"

/**

 * oil_rgb2bgr:

 * @d_3xn:

 * @s_3xn:

 * @n:

 *

 * Converts arrays of 24-bit RGB pixels from RGBRGBRGB ordering to

 * BGRBGRBGR ordering (and vice-versa).

 */

OIL_DEFINE_CLASS (rgb2bgr, "uint8_t *d_3xn, uint8_t* s_3xn, int n");

/**

 * oil_rgb2rgba:

 * @d_4xn:

 * @s_3xn:

 * @n:

 *

 * Converts arrays of 24-bit RGB pixels in RGBRGBRGB memory order

 * to 32-bit RGBA pixels in RGBARGBA order.

 */

OIL_DEFINE_CLASS (rgb2rgba, "uint8_t *d_4xn, uint8_t* s_3xn, int n");

/**

 * oil_rgb565_to_argb:

 * @d:

 * @s:

 * @n:

 *

 * Converts arrays of 16-bit RGB565 pixels to 32-bit ARGB pixels.

 */

OIL_DEFINE_CLASS (rgb565_to_argb, "uint32_t *d, uint16_t* s, int n");

static void

rgb2bgr_ref (uint8_t *dest, const uint8_t* src, int n)

{

  int i;

  uint8_t tmp;

  for (i = 0; i < n; i++) {

    tmp = src[2];

    dest[1] = src[1];

    dest[2] = src[0];

    dest[0] = tmp;

    dest += 3;

    src += 3;

  }

}

OIL_DEFINE_IMPL_REF (rgb2bgr_ref, rgb2bgr);

static void

rgb2rgba_ref (uint8_t *dest, const uint8_t* src, int n)

{

  int i;

  for (i = 0; i < n; i++) {

    dest[0] = src[0];

    dest[1] = src[1];

    dest[2] = src[2];

    dest[3] = 0xFF;

    dest += 4;

    src += 3;

  }

}

OIL_DEFINE_IMPL_REF (rgb2rgba_ref, rgb2rgba);

void

rgb565_to_argb_ref (uint32_t *d, uint16_t* s, int n)

{

  int i;

  int r,g,b;

  for (i = 0; i < n; i++) {

    r = (s[i] >> 8) & 0xf8;

    g = (s[i] >> 3) & 0xfc;

    b = (s[i] << 3) & 0xf8;

    d[i] = oil_argb(255, r | (r>>5), g | (g>>6), b | (b>>5));

  }

}

OIL_DEFINE_IMPL_REF (rgb565_to_argb_ref, rgb565_to_argb);

#ifdef	__SYMBIAN32__

OilFunctionClass* __oil_function_class_rgb2bgr() {

		return &_oil_function_class_rgb2bgr;

}

#endif

#ifdef	__SYMBIAN32__

OilFunctionClass* __oil_function_class_rgb2rgba() {

		return &_oil_function_class_rgb2rgba;

}

#endif

#ifdef	__SYMBIAN32__

OilFunctionClass* __oil_function_class_rgb565_to_argb() {

		return &_oil_function_class_rgb565_to_argb;

}

#endif

#ifdef	__SYMBIAN32__

OilFunctionImpl* __oil_function_impl_rgb2bgr_ref() {

		return &_oil_function_impl_rgb2bgr_ref;

}

#endif

#ifdef	__SYMBIAN32__

OilFunctionImpl* __oil_function_impl_rgb2rgba_ref() {

		return &_oil_function_impl_rgb2rgba_ref;

}

#endif

#ifdef	__SYMBIAN32__

OilFunctionImpl* __oil_function_impl_rgb565_to_argb_ref() {

		return &_oil_function_impl_rgb565_to_argb_ref;

}

#endif

#ifdef	__SYMBIAN32__

EXPORT_C void** _oil_function_class_ptr_rgb2bgr ()	{

	oil_function_class_ptr_rgb2bgr = __oil_function_class_rgb2bgr();

	return &oil_function_class_ptr_rgb2bgr->func;

	}

#endif

#ifdef	__SYMBIAN32__

EXPORT_C void** _oil_function_class_ptr_rgb2rgba ()	{

	oil_function_class_ptr_rgb2rgba = __oil_function_class_rgb2rgba();

	return &oil_function_class_ptr_rgb2rgba->func;

	}

#endif

#ifdef	__SYMBIAN32__

EXPORT_C void** _oil_function_class_ptr_rgb565_to_argb ()	{

	oil_function_class_ptr_rgb565_to_argb = __oil_function_class_rgb565_to_argb();

	return &oil_function_class_ptr_rgb565_to_argb->func;

	}

#endif