source: abuse/trunk/src/imlib/image-24.cpp @ 124 Tweet

/*
 *  Abuse - dark 2D side-scrolling platform game
 *  Copyright (c) 1995 Crack dot Com
 *
 *  This software was released into the Public Domain. As with most public
 *  domain software, no warranty is made or implied by Crack dot Com or
 *  Jonathan Clark.
 */

#include "config.h"

#include "image.hpp"

/* image-24.cpp : a 24-bit implementation of the image class */

//
// Constructor
//
image::image( short width, short height, unsigned char *page_buffer, short create_descriptor )
{
    w = width;
    h = height;

    if( create_descriptor || page_buffer )
    {
        if( create_descriptor == 2 )
        {
            special = new image_descriptor( width, height, 1, ( page_buffer != NULL ) );
        }
        else
        {
            special = new image_descriptor( width, height, 0, ( page_buffer != NULL ) );
        }
    }
    else
    {
        special = NULL;
    }

    make_page( width, height, page_buffer );
    image_list.add_end( (linked_node *)this );
}

//
// Constructor
//
image::image( spec_entry *e, bFILE *fp )
{
    short ii;

    fp->seek( e->offset, 0 );
    w = fp->read_short();
    h = fp->read_short();
    special = NULL;
    make_page( w, h, NULL );

    for( ii = 0; ii < h; ii++ )
    {
        fp->read( scan_line( ii ), w );
    }

    image_list.add_end( (linked_node *)this );
}

//
// Constructor
//
image::image( bFILE *fp )
{
    short ii;

    w = fp->read_short();
    h = fp->read_short();
    special = NULL;
    make_page( w, h, NULL );

    for( ii = 0; ii < h; ii++ )
    {
        fp->read( scan_line( ii ), w );
    }

    image_list.add_end( (linked_node *)this );
}

//
// Destructor
//
image::~image()
{
    image_list.unlink( (linked_node *)this );
    delete_page();
    if( special )
    {
        delete special;
    }
}

//
// total_pixels
//
long image::total_pixels( unsigned char background )
{
    short ii, jj;
    long count;
    unsigned char *c;

    count = 0;
    for( ii = height() - 1; ii >= 0; ii-- )
    {
        c = scan_line( ii );
        for( jj = width() - 1; j >= 0; jj--, c++ )
        {
            if( *c != background )
            {
                count++;
            }
        }
    }

    return count;
}

//
// clear
//
void image::clear( short color )
{
    
}