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{

// ïîñòàâèòü òî÷êó

	return;

	return;

*( b -> bmp + s + 1) = (c >> 8) & 0xff;

*( b -> bmp + s + 2) = (c >> 16)& 0xff;

{

// ïîëó÷èòü òî÷êó

	return 0;

	return 0;

green = *( b -> bmp + s + 1);

red   = *( b -> bmp + s + 2);

}

{

// ëèíèÿ çàäàííîãî öâåòà ñ èñïîëüçîâàíèåì

// àëãîpèòìà Áðåçåíõýìà

int xerr=0, yerr=0, delta_x, delta_y;

int incx, incy;

delta_x = x2 - x1;

delta_y = y2 - y1;

// øàã âû÷èñëÿåòñÿ ëèáî ïî âåpòèêàëüíîé, ëèáî ãîpèçîíòàëüíîé

// ëèíèè

if (delta_x > 0)

	incx = 1;

else

	if (0 == delta_x)

		incx = 0;

	else

		incx = -1;

	incy = 1;

else

	if ( 0 == delta_y)

		incy = 0;

	else

		incy = -1;

if (delta_x < 0)

	delta_x *= -1;

if (delta_y < 0)

	delta_y *= -1;

	dist = delta_x;

else

	dist = delta_y;

for (t = 0; t <= dist+1; t++)

	{

	gb_pixel_set(b, x1, y1, c);

	xerr+=delta_x;

	yerr+=delta_y;

		{

		xerr -= dist;

		x1 += incx;

		}

		{

		yerr -= dist;

		y1 += incy;

		}

}

{

// ïðÿìîóãîëüíèê

gb_line (b, x,     y+h-1, x+w-1, y+h-1, c);

gb_line (b, x,     y,     x,     y+h-1, c);

gb_line (b, x+w-1, y,     x+w-1, y+h-1, c);

}

{

int _y;

int d;

_y = r;

d = 3-2*r;

while( _y >= _x)

	{

	gb_pixel_set(b,  _x + x,  _y + y, c);

	gb_pixel_set(b,  _x + x, -_y + y, c);

	gb_pixel_set(b, -_x + x,  _y + y, c);

	gb_pixel_set(b, -_x + x, -_y + y, c);

	gb_pixel_set(b,  _y + x,  _x + y, c);

	gb_pixel_set(b,  _y + x, -_x + y, c);

	gb_pixel_set(b, -_y + x,  _x + y, c);

	gb_pixel_set(b, -_y + x, -_x + y, c);

	if( d<0 )

		d = d+4*_x+6;

        else

		{

		d = d+4*(_x-_y)+10;

		_y--;

		}

	_x++;

	}

{

// çàêðàøåííûé ïðÿìîóãîëüíèê

int i, j;

	return;

for (i = 0; i < h; i++)

//	gb_pixel_set(b, x+j, y+i, c);

	{

	s = 3*( (y+i)*(b->w) + x + j );

	*( b -> bmp + s + 1) = (c >> 8) & 0xff;

	*( b -> bmp + s + 2) = (c >> 16)& 0xff;

}

{

// âûâîä èçîáðàæåíèÿ

unsigned d;

	return;

	return;

	for (x = 0; x < w; x++)

		if ( gb_pixel_get(b_src, x_s+x, y_s+y, &d) )

			gb_pixel_set(b_dest, x_d+x, y_d+y, d);

{

// âûâîä èçîáðàæåíèÿ ñ ïðîçðà÷íûì öâåòîì

unsigned d;

	return;

	return;

	for (x = 0; x < w; x++)

		if ( gb_pixel_get(b_src, x_s+x, y_s+y, &d) )

			if (c != d)

				gb_pixel_set(b_dest, x_d+x, y_d+y, d);

{

void	*name;

void	*function;

} export_t;

char szGb_pixel_get[]   =  "gb_pixel_get";

char szGb_line[]        =  "gb_line";

char szGb_rect[]        =  "gb_rect";

char szGb_bar[]         =  "gb_bar";

char szGb_circle[]      =  "gb_circle";

char szGb_image_set[]   =  "gb_image_set";

char szGb_image_set_t[] =  "gb_image_set_t";

{

{ szGb_pixel_set,   (void*) gb_pixel_set},

{ szGb_pixel_get,   (void*) gb_pixel_get},

{ szGb_line,        (void*) gb_line},

{ szGb_rect,        (void*) gb_rect},

{ szGb_bar,         (void*) gb_bar},

{ szGb_circle,      (void*) gb_circle},

{ szGb_image_set,   (void*) gb_image_set},

{ szGb_image_set_t, (void*) gb_image_set_t},

{ NULL, NULL },

};