function Draw($im, &$map)
{
// Get the positions of the end-points
$x1 = $map->nodes[$this->a->name]->x;
$y1 = $map->nodes[$this->a->name]->y;
$x2 = $map->nodes[$this->b->name]->x;
$y2 = $map->nodes[$this->b->name]->y;
if (is_null($x1)) {
wm_warn("LINK " . $this->name . " uses a NODE with no POSITION! [WMWARN35]\n");
return;
}
if (is_null($y1)) {
wm_warn("LINK " . $this->name . " uses a NODE with no POSITION! [WMWARN35]\n");
return;
}
if (is_null($x2)) {
wm_warn("LINK " . $this->name . " uses a NODE with no POSITION! [WMWARN35]\n");
return;
}
if (is_null($y2)) {
wm_warn("LINK " . $this->name . " uses a NODE with no POSITION! [WMWARN35]\n");
return;
}
if ($this->linkstyle == 'twoway' && $this->labeloffset_in < $this->labeloffset_out && intval($map->get_hint("nowarn_bwlabelpos")) == 0) {
wm_warn("LINK " . $this->name . " probably has it's BWLABELPOSs the wrong way around [WMWARN50]\n");
}
list($dx, $dy) = calc_offset($this->a_offset, $map->nodes[$this->a->name]->width, $map->nodes[$this->a->name]->height);
$x1 += $dx;
$y1 += $dy;
list($dx, $dy) = calc_offset($this->b_offset, $map->nodes[$this->b->name]->width, $map->nodes[$this->b->name]->height);
$x2 += $dx;
$y2 += $dy;
if ($x1 == $x2 && $y1 == $y2 && sizeof($this->vialist) == 0) {
wm_warn("Zero-length link " . $this->name . " skipped. [WMWARN45]");
return;
}
$outlinecol = new Colour($this->outlinecolour);
$commentcol = new Colour($this->commentfontcolour);
$outline_colour = $outlinecol->gdallocate($im);
$xpoints = array();
$ypoints = array();
$xpoints[] = $x1;
$ypoints[] = $y1;
# warn("There are VIAs.\n");
foreach ($this->vialist as $via) {
# imagearc($im, $via[0],$via[1],20,20,0,360,$map->selected);
if (isset($via[2])) {
$xpoints[] = $map->nodes[$via[2]]->x + $via[0];
$ypoints[] = $map->nodes[$via[2]]->y + $via[1];
} else {
$xpoints[] = $via[0];
$ypoints[] = $via[1];
}
}
$xpoints[] = $x2;
$ypoints[] = $y2;
# list($link_in_colour,$link_in_scalekey, $link_in_scaletag) = $map->NewColourFromPercent($this->inpercent,$this->usescale,$this->name);
# list($link_out_colour,$link_out_scalekey, $link_out_scaletag) = $map->NewColourFromPercent($this->outpercent,$this->usescale,$this->name);
$link_in_colour = $this->colours[IN];
$link_out_colour = $this->colours[OUT];
$gd_in_colour = $link_in_colour->gdallocate($im);
$gd_out_colour = $link_out_colour->gdallocate($im);
// $map->links[$this->name]->inscalekey = $link_in_scalekey;
// $map->links[$this->name]->outscalekey = $link_out_scalekey;
$link_width = $this->width;
// these will replace the one above, ultimately.
$link_in_width = $this->width;
$link_out_width = $this->width;
// for bulging animations
if ($map->widthmod || $map->get_hint('link_bulge') == 1) {
// a few 0.1s and +1s to fix div-by-zero, and invisible links
$link_width = ($link_width * $this->inpercent * 1.5 + 0.1) / 100 + 1;
// these too
$link_in_width = ($link_in_width * $this->inpercent * 1.5 + 0.1) / 100 + 1;
$link_out_width = ($link_out_width * $this->outpercent * 1.5 + 0.1) / 100 + 1;
}
// If there are no vias, treat this as a 2-point angled link, not curved
if (sizeof($this->vialist) == 0 || $this->viastyle == 'angled') {
// Calculate the spine points - the actual not a curve really, but we
// need to create the array, and calculate the distance bits, otherwise
// things like bwlabels won't know where to go.
$this->curvepoints = calc_straight($xpoints, $ypoints);
// then draw the "curve" itself
draw_straight($im, $this->curvepoints, array($link_in_width, $link_out_width), $outline_colour, array($gd_in_colour, $gd_out_colour), $this->name, $map, $this->splitpos, $this->linkstyle == 'oneway' ? TRUE : FALSE);
} elseif ($this->viastyle == 'curved') {
// Calculate the spine points - the actual curve
$this->curvepoints = calc_curve($xpoints, $ypoints);
// then draw the curve itself
draw_curve($im, $this->curvepoints, array($link_in_width, $link_out_width), $outline_colour, array($gd_in_colour, $gd_out_colour), $this->name, $map, $this->splitpos, $this->linkstyle == 'oneway' ? TRUE : FALSE);
}
if (!$commentcol->is_none()) {
if ($commentcol->is_contrast()) {
$commentcol_in = $link_in_colour->contrast();
$commentcol_out = $link_out_colour->contrast();
} else {
$commentcol_in = $commentcol;
$commentcol_out = $commentcol;
}
$comment_colour_in = $commentcol_in->gdallocate($im);
$comment_colour_out = $commentcol_out->gdallocate($im);
$this->DrawComments($im, array($comment_colour_in, $comment_colour_out), array($link_in_width * 1.1, $link_out_width * 1.1));
}
$curvelength = $this->curvepoints[count($this->curvepoints) - 1][2];
// figure out where the labels should be, and what the angle of the curve is at that point
list($q1_x, $q1_y, $junk, $q1_angle) = find_distance_coords_angle($this->curvepoints, $this->labeloffset_out / 100 * $curvelength);
list($q3_x, $q3_y, $junk, $q3_angle) = find_distance_coords_angle($this->curvepoints, $this->labeloffset_in / 100 * $curvelength);
# imageline($im, $q1_x+20*cos(deg2rad($q1_angle)),$q1_y-20*sin(deg2rad($q1_angle)), $q1_x-20*cos(deg2rad($q1_angle)), $q1_y+20*sin(deg2rad($q1_angle)), $this->owner->selected );
# imageline($im, $q3_x+20*cos(deg2rad($q3_angle)),$q3_y-20*sin(deg2rad($q3_angle)), $q3_x-20*cos(deg2rad($q3_angle)), $q3_y+20*sin(deg2rad($q3_angle)), $this->owner->selected );
# warn("$q1_angle $q3_angle\n");
if (!is_null($q1_x)) {
$outbound = array($q1_x, $q1_y, 0, 0, $this->outpercent, $this->bandwidth_out, $q1_angle, OUT);
$inbound = array($q3_x, $q3_y, 0, 0, $this->inpercent, $this->bandwidth_in, $q3_angle, IN);
if ($map->sizedebug) {
$outbound[5] = $this->max_bandwidth_out;
$inbound[5] = $this->max_bandwidth_in;
}
if ($this->linkstyle == 'oneway') {
$tasks = array($outbound);
} else {
$tasks = array($inbound, $outbound);
}
foreach ($tasks as $task) {
$thelabel = "";
$thelabel = $map->ProcessString($this->bwlabelformats[$task[7]], $this);
if ($thelabel != '') {
wm_debug("Bandwidth for label is " . $task[5] . "\n");
$padding = intval($this->get_hint('bwlabel_padding'));
// if screenshot_mode is enabled, wipe any letters to X and wipe any IP address to 127.0.0.1
// hopefully that will preserve enough information to show cool stuff without leaking info
if ($map->get_hint('screenshot_mode') == 1) {
$thelabel = screenshotify($thelabel);
}
if ($this->labelboxstyle == 'angled') {
$angle = $task[6];
} else {
$angle = 0;
}
$map->DrawLabelRotated($im, $task[0], $task[1], $angle, $thelabel, $this->bwfont, $padding, $this->name, $this->bwfontcolour, $this->bwboxcolour, $this->bwoutlinecolour, $map, $task[7]);
// imagearc($im, $task[0], $task[1], 10,10,0,360,$map->selected);
}
}
}
}
