source: abuse/trunk/src/imlib/image-24.cpp @ 2 Tweet

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

#include "image.hpp"

//
// 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 )
{
        
}