void paint_julia_prev(infoptr pic, point mouse_pos)
{
struct picture_info prev_pic;
dpoint p, tmp;
int n = 0;
prev_pic.area = get_prev_rect(pic);
init_coords(&prev_pic); /* Asetetaan sopiva skaalaus */
/* Julia-vakio hiiren koordinaateista */
prev_pic.julia_c = to_dpoint(mouse_pos, pic);
SRGP_setClipRectangle(prev_pic.area);
SRGP_setColor(SRGP_BLACK); /* Peitetään vanha kuva */
SRGP_fillRectangleCoord(prev_pic.area.bottom_left.x + 1,
prev_pic.area.bottom_left.y + 1,
prev_pic.area.top_right.x - 1,
prev_pic.area.top_right.y - 1);
SRGP_setColor(SRGP_WHITE); /* Valkea reunus */
SRGP_rectangle(prev_pic.area);
p.x = 0; /* Inverse functionin */
p.y = 0; /* alkupiste */
while(n < JULIA_LIMIT)
{ /* z[n+1] = sqrt(z[n] - c) */
tmp.x = p.x - prev_pic.julia_c.x;
tmp.y = p.y - prev_pic.julia_c.y;
p = c_sqrt(tmp);
SRGP_point(to_point(p, &prev_pic));
n++;
}
SRGP_setClipRectangle(pic->area);
}
void print_coords(infoptr pic, point mouse_pos, rectangle box)
{
char coord_string[20];
dpoint coords;
/* Peitetään vanha teksti */
SRGP_setColor(SRGP_BLACK);
SRGP_fillRectangle(box);
/* Muotoillaan uusi teksti */
coords = to_dpoint(mouse_pos, pic);
sprintf(coord_string, "(%.17f, %.17f)", coords.x, coords.y);
SRGP_setColor(SRGP_WHITE);
SRGP_setClipRectangle(box); /* Varmistetaan ettei teksti ylitä rajoja */
SRGP_text(box.bottom_left, coord_string);
SRGP_setClipRectangle(pic->area);
}
static void
EVUprint (char *text)
{
SRGP_inquireAttributes (&bund);
SRGP_setColor (COLOR_BLACK);
SRGP_setWriteMode (WRITE_REPLACE);
SRGP_setClipRectangle (SRGP_defRectangle(0,0,1023,799));
SRGP_text (SRGP_defPoint(15,ycoord), text);
ycoord -= ydelta;
SRGP_setAttributes (&bund);
}
PRIVATE void moveTheTruck(SUIT_object o, long currentTime, long totalTime)
{
static int prevOffset = 0;
static rectangle startRect;
int currentOffset;
rectangle curRect;
int width;
double timeFraction;
static point p;
if ( currentTime == 0 ) /* first call */
{
prevOffset = 0;
startRect = SUIT_mapViewportToScreen(o, OBJECT_VIEWPORT(o));
SRGP_setClipRectangle(startRect);
return;
}
timeFraction = ( (double) currentTime) / totalTime;
width = (startRect.top_right.x - startRect.bottom_left.x) + 1;
currentOffset = timeFraction * ( (double) (width - 1) );
if ( currentOffset == prevOffset )
return;
curRect = startRect;
curRect.bottom_left.x += prevOffset;
p.x = startRect.bottom_left.x + currentOffset;
p.y = startRect.bottom_left.y;
SRGP_copyPixel(0, curRect, p);
SRGP_refresh(); /* force it to happen on screen */
prevOffset = currentOffset;
}
