scbcolor.c

Go to the documentation of this file.

/*
 * File Name: scbcolor.c
 */

/*
 * This file is part of liberscribble.
 *
 * liberscribble is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 2 of the License, or
 * (at your option) any later version.
 *
 * liberscribble is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 */

/**
 * Copyright (C) 2008 iRex Technologies B.V.
 * All rights reserved.
 */


//----------------------------------------------------------------------------
// Include Files
//----------------------------------------------------------------------------

// system include files, between < >
#include <stdio.h>

// ereader include files, between < >

// local include files, between " "
#include "scbcolor.h"
#include "scblog.h"
#include "scbtype.h"
#include "scbconfig.h"


//----------------------------------------------------------------------------
// Type Declarations
//----------------------------------------------------------------------------


//----------------------------------------------------------------------------
// Global Constants
//----------------------------------------------------------------------------


//----------------------------------------------------------------------------
// Static Variables
//----------------------------------------------------------------------------


//============================================================================
// Local Function Definitions
//============================================================================


//============================================================================
// Functions Implementation
//============================================================================

void trace(const char *arg, ...)
{
    // TODO: replace this function with macro
    printf("%s\n", arg);
}


void erscribble_color_set_white(ScbColorPtr ptr)
{
    if (NULL == ptr) return;
    ptr->red    = 0xff;
    ptr->green  = 0xff;
    ptr->blue   = 0xff;
    ptr->pixel  = 0xffff;
}


void erscribble_color_set_black(ScbColorPtr ptr)
{
    if (NULL == ptr) return;
    ptr->red    = 0;
    ptr->green  = 0;
    ptr->blue   = 0;
    ptr->pixel  = 0;
}


void erscribble_color_set_light_gray(ScbColorPtr ptr)
{
    if (NULL == ptr) return;
    ptr->red    = 0xaa;
    ptr->green  = 0xaa;
    ptr->blue   = 0xaa;
    ptr->pixel  = 0xaaaa;
}


void erscribble_color_set_dark_gray(ScbColorPtr ptr)
{
    if (NULL == ptr) return;
    ptr->red    = 0x55;
    ptr->green  = 0x55;
    ptr->blue   = 0x55;
    ptr->pixel  = 0x5555;
}


ScbDevColor erscribble_color_to_dev_color(ScbColorPtr ptr)
{
    if (NULL == ptr) return ERSCRIBBLE_DEV_COLOR_UNKNOWN;
    if (0 == ptr->red && 0 == ptr->green && 0 == ptr->blue)
    {
        return ERSCRIBBLE_DEV_COLOR_BLACK;
    }
    else if (0xff == ptr->red && 0xff == ptr->green && 0xff == ptr->blue)
    {
        return ERSCRIBBLE_DEV_COLOR_WHITE;
    }
    else if (0xaa == ptr->red && 0xaa == ptr->green && 0xaa == ptr->blue)
    {
        return ERSCRIBBLE_DEV_COLOR_LIGHT_GRAY;
    }
    else if (0x55 == ptr->red && 0x55 == ptr->green && 0x55 == ptr->blue)
    {
        return ERSCRIBBLE_DEV_COLOR_DARK_GRAY;
    }
    return ERSCRIBBLE_DEV_COLOR_UNKNOWN;
}


void erscribble_dev_color_to_color(ScbColorPtr ptr, const ScbDevColor color)
{
    if (NULL == ptr) return;
    switch(color)
    {
    case  ERSCRIBBLE_DEV_COLOR_WHITE :

        erscribble_color_set_white(ptr);

        break;
    case ERSCRIBBLE_DEV_COLOR_LIGHT_GRAY :

        erscribble_color_set_light_gray(ptr);

        break;
    case ERSCRIBBLE_DEV_COLOR_DARK_GRAY :

        erscribble_color_set_dark_gray(ptr);

        break;
    default:

        erscribble_color_set_black(ptr);

        break;
    }
}