/*
* 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.h>
#include <liboilfunction.h>
OIL_DEFINE_CLASS (argb_paint_u8, "uint8_t *i_4xn, uint8_t *s1_4, uint8_t *s2_n, int n");
#define div255(x) (((x + 128) + ((x + 128)>>8))>>8)
#define blend(x,y,a) div255((x)*(a) + (y)*(255-(a)))
/**
* oil_argb_paint_u8:
* @i_4xn: array
* @s1_4: source color
* @s2_n: source alpha array
* @n: number of elements
*
* Composites source color onto in-place array according to the alpha
* array.
*
* Deprecated.
*/
static void
argb_paint_u8_ref (uint8_t *dest, const uint8_t *color, const uint8_t *alpha, int n)
{
int i;
for(i=0;i<n;i++){
dest[0] = blend(color[0],dest[0],alpha[0]);
dest[1] = blend(color[1],dest[1],alpha[0]);
dest[2] = blend(color[2],dest[2],alpha[0]);
dest[3] = blend(color[3],dest[3],alpha[0]);
dest+=4;
alpha++;
}
}
OIL_DEFINE_IMPL_REF (argb_paint_u8_ref, argb_paint_u8);
#ifdef __SYMBIAN32__
OilFunctionClass* __oil_function_class_argb_paint_u8() {
return &_oil_function_class_argb_paint_u8;
}
#endif
#ifdef __SYMBIAN32__
OilFunctionImpl* __oil_function_impl_argb_paint_u8_ref() {
return &_oil_function_impl_argb_paint_u8_ref;
}
#endif
#ifdef __SYMBIAN32__
EXPORT_C void** _oil_function_class_ptr_argb_paint_u8 () {
oil_function_class_ptr_argb_paint_u8 = __oil_function_class_argb_paint_u8();
return &oil_function_class_ptr_argb_paint_u8->func;
}
#endif