function preCalculate(&$map)
{
wm_debug("Link " . $this->name . ": Calculating geometry.\n");
// don't bother doing anything if it's a template
if ($this->isTemplate()) {
return;
}
$points = array();
list($dx, $dy) = WMUtility::calculateOffset($this->a_offset, $this->a->width, $this->a->height);
$points[] = new WMPoint($this->a->x + $dx, $this->a->y + $dy);
foreach ($this->vialist as $via) {
wm_debug("VIALIST...\n");
// if the via has a third element, the first two are relative to that node
if (isset($via[2])) {
$relativeTo = $map->getNode($via[2]);
wm_debug("Relative to {$relativeTo}\n");
$point = new WMPoint($relativeTo->x + $via[0], $relativeTo->y + $via[1]);
} else {
$point = new WMPoint($via[0], $via[1]);
}
wm_debug("Adding {$point}\n");
$points[] = $point;
}
list($dx, $dy) = WMUtility::calculateOffset($this->b_offset, $this->b->width, $this->b->height);
$points[] = new WMPoint($this->b->x + $dx, $this->b->y + $dy);
if ($points[0]->closeEnough($points[1]) && sizeof($this->vialist) == 0) {
wm_warn("Zero-length link " . $this->name . " skipped. [WMWARN45]");
$this->geometry = null;
return;
}
$widths = array($this->width, $this->width);
// for bulging animations, modulate the width with the percentage value
if ($map->widthmod || $map->get_hint('link_bulge') == 1) {
// a few 0.1s and +1s to fix div-by-zero, and invisible links
$widths[0] = ($widths[0] * $this->percentUsages[IN] * 1.5 + 0.1) / 100 + 1;
$widths[1] = ($widths[1] * $this->percentUsages[OUT] * 1.5 + 0.1) / 100 + 1;
}
$style = $this->viastyle;
// don't bother with any curve stuff if there aren't any Vias defined, even if the style is 'curved'
if (count($this->vialist) == 0) {
$style = "angled";
}
$this->geometry = WMLinkGeometryFactory::create($style);
$this->geometry->Init($this, $points, $widths, $this->linkstyle == 'oneway' ? 1 : 2, $this->splitpos, $this->arrowstyle);
}
function preRender($im, &$map)
{
// don't bother drawing if it's a template
if ($this->isTemplate()) {
return;
}
// apparently, some versions of the gd extension will crash if we continue...
if ($this->label == '' && $this->iconfile == '') {
return;
}
// start these off with sensible values, so that bbox
// calculations are easier.
$labelBoundingBox = new WMBoundingBox();
$labelBoundingBox->addWMPoint($this->getPosition());
$iconBoundingBox = new WMBoundingBox();
$iconBoundingBox->addWMPoint($this->getPosition());
$icon_x1 = $this->x;
$icon_x2 = $this->x;
$icon_y1 = $this->y;
$icon_y2 = $this->y;
$label_x1 = $this->x;
$label_x2 = $this->x;
$label_y1 = $this->y;
$label_y2 = $this->y;
$boxWidth = 0;
$boxHeight = 0;
$icon_w = 0;
$icon_h = 0;
list($labelFillColour, $iconFillColour) = $this->calculateColours($map);
// figure out a bounding rectangle for the label
if ($this->label != '') {
$padding = 4.0;
$padFactor = 1.0;
$this->processedLabel = $map->ProcessString($this->label, $this, true, true);
// if screenshot_mode is enabled, wipe any letters to X and wipe any IP address to 127.0.0.1
// hopefully that will preserve enough information to show cool stuff without leaking info
if ($map->get_hint('screenshot_mode') == 1) {
$this->processedLabel = WMUtility::stringAnonymise($this->processedLabel);
}
list($stringWidth, $stringHeight) = $map->myimagestringsize($this->labelfont, $this->processedLabel);
if ($this->labelangle == 90 || $this->labelangle == 270) {
$boxWidth = $stringHeight * $padFactor + $padding;
$boxHeight = $stringWidth * $padFactor + $padding;
} else {
$boxWidth = $stringWidth * $padFactor + $padding;
$boxHeight = $stringHeight * $padFactor + $padding;
}
$halfWidth = $boxWidth / 2;
$halfHeight = $boxHeight / 2;
$label_x1 = $this->x - $halfWidth;
$label_y1 = $this->y - $halfHeight;
$label_x2 = $this->x + $halfWidth;
$label_y2 = $this->y + $halfHeight;
$labelBoundingBox->addPoint($this->x - $halfWidth, $this->y - $halfHeight);
$labelBoundingBox->addPoint($this->x + $halfWidth, $this->y + $halfHeight);
wm_debug("Node->pre_render: " . $this->name . " Label Metrics are: {$stringWidth} x {$stringHeight} -> {$boxWidth} x {$boxHeight}\n");
if ($this->labelangle == 90) {
$txt_x = $this->x + $stringHeight / 2;
$txt_y = $this->y + $stringWidth / 2;
}
if ($this->labelangle == 270) {
$txt_x = $this->x - $stringHeight / 2;
$txt_y = $this->y - $stringWidth / 2;
}
if ($this->labelangle == 0) {
$txt_x = $this->x - $stringWidth / 2;
$txt_y = $this->y + $stringHeight / 2;
}
if ($this->labelangle == 180) {
$txt_x = $this->x + $stringWidth / 2;
$txt_y = $this->y - $stringHeight / 2;
}
$this->width = $boxWidth;
$this->height = $boxHeight;
}
// figure out a bounding rectangle for the icon
if ($this->iconfile != '') {
$iconImageRef = null;
$icon_w = 0;
$icon_h = 0;
if ($this->iconfile == 'rbox' || $this->iconfile == 'box' || $this->iconfile == 'round' || $this->iconfile == 'inpie' || $this->iconfile == 'outpie' || $this->iconfile == 'gauge' || $this->iconfile == 'nink') {
wm_debug("Artificial Icon type " . $this->iconfile . " for {$this->name}\n");
// this is an artificial icon - we don't load a file for it
$iconImageRef = imagecreatetruecolor($this->iconscalew, $this->iconscaleh);
imageSaveAlpha($iconImageRef, true);
$nothing = imagecolorallocatealpha($iconImageRef, 128, 0, 0, 127);
imagefill($iconImageRef, 0, 0, $nothing);
$fill = null;
$ink = null;
$aiconFillColour = $this->aiconfillcolour;
$aiconInkColour = $this->aiconoutlinecolour;
// if useiconscale isn't set, then use the static colour defined, or copy the colour from the label
if ($this->useiconscale == "none") {
if ($aiconFillColour->isCopy() && !$labelFillColour->isNone()) {
$fill = $labelFillColour;
} else {
if ($aiconFillColour->isRealColour()) {
$fill = $aiconFillColour;
}
}
} else {
// if useiconscale IS defined, use that to figure out the fill colour
$fill = $iconFillColour;
}
if (!$this->aiconoutlinecolour->isNone()) {
$ink = $aiconInkColour;
}
wm_debug("AICON colours are {$ink} and {$fill}\n");
if ($this->iconfile == 'box') {
$this->drawAIconBox($iconImageRef, $fill, $ink);
}
if ($this->iconfile == 'rbox') {
$this->drawAIconRoundedBox($iconImageRef, $fill, $ink);
}
if ($this->iconfile == 'round') {
$this->drawAIconRound($iconImageRef, $fill, $ink);
}
if ($this->iconfile == 'nink') {
$this->drawAIconNINK($iconImageRef, $ink);
}
// XXX - needs proper colours
if ($this->iconfile == 'inpie' || $this->iconfile == 'outpie') {
$this->drawAIconPie($iconImageRef, $fill, $ink);
}
if ($this->iconfile == 'gauge') {
wm_warn('gauge AICON not implemented yet [WMWARN99]');
}
} else {
$realiconfile = $map->ProcessString($this->iconfile, $this);
if (is_readable($realiconfile)) {
imagealphablending($im, true);
// draw the supplied icon, instead of the labelled box
$iconImageRef = imagecreatefromfile($realiconfile);
if (true === isset($iconFillColour)) {
$this->colourizeImage($iconImageRef, $iconFillColour);
}
if ($iconImageRef) {
$icon_w = imagesx($iconImageRef);
$icon_h = imagesy($iconImageRef);
if ($this->iconscalew * $this->iconscaleh > 0) {
wm_debug("If this is the last thing in your logs, you probably have a buggy GD library. Get > 2.0.33 or use PHP builtin.\n");
imagealphablending($iconImageRef, true);
wm_debug("SCALING ICON here\n");
if ($icon_w > $icon_h) {
$scalefactor = $icon_w / $this->iconscalew;
} else {
$scalefactor = $icon_h / $this->iconscaleh;
}
$new_width = $icon_w / $scalefactor;
$new_height = $icon_h / $scalefactor;
$scaled = imagecreatetruecolor($new_width, $new_height);
imagealphablending($scaled, false);
imagecopyresampled($scaled, $iconImageRef, 0, 0, 0, 0, $new_width, $new_height, $icon_w, $icon_h);
imagedestroy($iconImageRef);
$iconImageRef = $scaled;
}
} else {
wm_warn("Couldn't open ICON: '" . $realiconfile . "' - is it a PNG, JPEG or GIF? [WMWARN37]\n");
}
} else {
if ($realiconfile != 'none') {
wm_warn("ICON '" . $realiconfile . "' does not exist, or is not readable. Check path and permissions. [WMARN38]\n");
}
}
}
if ($iconImageRef) {
$icon_w = imagesx($iconImageRef);
$icon_h = imagesy($iconImageRef);
$icon_x1 = $this->x - $icon_w / 2;
$icon_y1 = $this->y - $icon_h / 2;
$icon_x2 = $this->x + $icon_w / 2;
$icon_y2 = $this->y + $icon_h / 2;
$this->width = imagesx($iconImageRef);
$this->height = imagesy($iconImageRef);
$this->boundingboxes[] = array($icon_x1, $icon_y1, $icon_x2, $icon_y2);
}
}
// do any offset calculations
$deltaX = 0;
$deltaY = 0;
if ($this->labeloffset != '' && $this->iconfile != '') {
$this->labeloffsetx = 0;
$this->labeloffsety = 0;
list($deltaX, $deltaY) = WMUtility::calculateOffset($this->labeloffset, $icon_w + $boxWidth - 1, $icon_h + $boxHeight);
}
$label_x1 += $this->labeloffsetx + $deltaX;
$label_x2 += $this->labeloffsetx + $deltaX;
$label_y1 += $this->labeloffsety + $deltaY;
$label_y2 += $this->labeloffsety + $deltaY;
if ($this->label != '') {
$this->boundingboxes[] = array($label_x1, $label_y1, $label_x2, $label_y2);
}
// work out the bounding box of the whole thing
$bbox_x1 = min($label_x1, $icon_x1);
$bbox_x2 = max($label_x2, $icon_x2) + 1;
$bbox_y1 = min($label_y1, $icon_y1);
$bbox_y2 = max($label_y2, $icon_y2) + 1;
// create TWO imagemap entries - one for the label and one for the icon
// (so we can have close-spaced icons better)
$temp_width = $bbox_x2 - $bbox_x1;
$temp_height = $bbox_y2 - $bbox_y1;
// create an image of that size and draw into it
$node_im = imagecreatetruecolor($temp_width, $temp_height);
// ImageAlphaBlending($node_im, false);
imageSaveAlpha($node_im, true);
$nothing = imagecolorallocatealpha($node_im, 128, 0, 0, 127);
imagefill($node_im, 0, 0, $nothing);
$label_x1 -= $bbox_x1;
$label_x2 -= $bbox_x1;
$label_y1 -= $bbox_y1;
$label_y2 -= $bbox_y1;
$icon_x1 -= $bbox_x1;
$icon_y1 -= $bbox_y1;
// Draw the icon, if any
if (isset($iconImageRef)) {
imagecopy($node_im, $iconImageRef, $icon_x1, $icon_y1, 0, 0, imagesx($iconImageRef), imagesy($iconImageRef));
imagedestroy($iconImageRef);
}
// Draw the label, if any
if ($this->label != '') {
$txt_x -= $bbox_x1;
$txt_x += $this->labeloffsetx + $deltaX;
$txt_y -= $bbox_y1;
$txt_y += $this->labeloffsety + $deltaY;
// if there's an icon, then you can choose to have no background
if (!$this->labelbgcolour->isNone()) {
imagefilledrectangle($node_im, $label_x1, $label_y1, $label_x2, $label_y2, $labelFillColour->gdAllocate($node_im));
}
if ($this->selected) {
imagerectangle($node_im, $label_x1, $label_y1, $label_x2, $label_y2, $map->selected);
// would be nice if it was thicker, too...
imagerectangle($node_im, $label_x1 + 1, $label_y1 + 1, $label_x2 - 1, $label_y2 - 1, $map->selected);
} else {
// $label_outline_colour = $this->labeloutlinecolour;
if ($this->labeloutlinecolour->isRealColour()) {
imagerectangle($node_im, $label_x1, $label_y1, $label_x2, $label_y2, $this->labeloutlinecolour->gdallocate($node_im));
}
}
// $shcol = $this->labelfontshadowcolour;
if ($this->labelfontshadowcolour->isRealColour()) {
$map->myimagestring($node_im, $this->labelfont, $txt_x + 1, $txt_y + 1, $this->processedLabel, $this->labelfontshadowcolour->gdallocate($node_im), $this->labelangle);
}
$txcol = $this->labelfontcolour;
if ($txcol->isContrast()) {
if ($labelFillColour->isRealColour()) {
$txcol = $labelFillColour->getContrastingColour();
} else {
wm_warn("You can't make a contrast with 'none'. [WMWARN43]\n");
$txcol = new WMColour(0, 0, 0);
}
}
$map->myimagestring($node_im, $this->labelfont, $txt_x, $txt_y, $this->processedLabel, $txcol->gdAllocate($node_im), $this->labelangle);
}
$this->centre_x = $this->x - $bbox_x1;
$this->centre_y = $this->y - $bbox_y1;
$this->image = $node_im;
}
function preRender($im, &$map)
{
// don't bother drawing if it's a template
if ($this->isTemplate()) {
return;
}
// apparently, some versions of the gd extension will crash if we continue...
if ($this->label == '' && $this->iconfile == '') {
return;
}
$iconObj = null;
$labelObj = null;
$labelFillColour = $this->calculateFillColour();
$iconFillColour = $this->calculateIconFillColour();
// start these off with sensible values, so that bbox
// calculations are easier.
$icon_x1 = $this->x;
$icon_x2 = $this->x;
$icon_y1 = $this->y;
$icon_y2 = $this->y;
$label_x1 = $this->x;
$label_x2 = $this->x;
$label_y1 = $this->y;
$label_y2 = $this->y;
$boxWidth = 0;
$boxHeight = 0;
$icon_w = 0;
$icon_h = 0;
// figure out a bounding rectangle for the label
if ($this->label != '') {
$labelObj = new WMNodeLabel($this);
$this->processedLabel = $map->ProcessString($this->label, $this, true, true);
// if screenshot_mode is enabled, wipe any letters to X and wipe any IP address to 127.0.0.1
// hopefully that will preserve enough information to show cool stuff without leaking info
if ($map->get_hint('screenshot_mode') == 1) {
$this->processedLabel = WMUtility::stringAnonymise($this->processedLabel);
}
$labelObj->calculateGeometry($this->processedLabel, $this->labelfont);
$labelObj->preRender($labelFillColour, $this->labeloutlinecolour, $this->labelfontshadowcolour, $this->labelfontcolour);
// $padding = 4.0;
// $padFactor = 1.0;
//
//
// list($stringWidth, $stringHeight) = $map->myimagestringsize($this->labelfont, $this->processedLabel);
//
// if ($this->labelangle == 90 || $this->labelangle == 270) {
// $boxWidth = ($stringHeight * $padFactor) + $padding;
// $boxHeight = ($stringWidth * $padFactor) + $padding;
// } else {
// $boxWidth = ($stringWidth * $padFactor) + $padding;
// $boxHeight = ($stringHeight * $padFactor) + $padding;
// }
//
// $halfWidth = $boxWidth / 2;
// $halfHeight = $boxHeight / 2;
//
// $label_x1 = $this->x - $halfWidth;
// $label_y1 = $this->y - $halfHeight;
//
// $label_x2 = $this->x + $halfWidth;
// $label_y2 = $this->y + $halfHeight;
//
// wm_debug("Node->pre_render: " . $this->name . " Label Metrics are: $stringWidth x $stringHeight -> $boxWidth x $boxHeight\n");
//
// if ($this->labelangle == 90) {
// $txt_x = $this->x + ($stringHeight / 2);
// $txt_y = $this->y + ($stringWidth / 2);
// }
//
// if ($this->labelangle == 270) {
// $txt_x = $this->x - ($stringHeight / 2);
// $txt_y = $this->y - ($stringWidth / 2);
// }
//
// if ($this->labelangle == 0) {
// $txt_x = $this->x - ($stringWidth / 2);
// $txt_y = $this->y + ($stringHeight / 2);
// }
//
// if ($this->labelangle == 180) {
// $txt_x = $this->x + ($stringWidth / 2);
// $txt_y = $this->y - ($stringHeight / 2);
// }
//
// $this->width = $boxWidth;
// $this->height = $boxHeight;
}
// figure out a bounding rectangle for the icon
if ($this->iconfile != '') {
$iconImageRef = null;
$icon_w = 0;
$icon_h = 0;
// $artificialIconNames = array('rbox', 'round', 'box', 'inpie', 'outpie', 'gauge', 'nink');
//if (in_array($this->iconfile, $artificialIconNames)) {
if (WMNodeArtificialIcon::isAICONName($this->iconfile)) {
$iconObj = new WMNodeArtificialIcon($this, $aiconInkColour, $aiconFillColour, $iconFillColour, $aiconOutlineColour, $labelFillColour);
} else {
$iconObj = new WMNodeImageIcon($this);
}
$iconObj->calculateGeometry();
$iconObj->preRender();
$iconImageRef = $iconObj->getImageRef();
if ($iconImageRef) {
$icon_w2 = imagesx($iconImageRef) / 2;
$icon_h2 = imagesy($iconImageRef) / 2;
$iconRect = new WMRectangle(-$icon_w2, -$icon_h2, $icon_w2, $icon_h2);
$iconRect->translate($this->x, $this->y);
$icon_w = imagesx($iconImageRef);
$icon_h = imagesy($iconImageRef);
$icon_x1 = $this->x - $icon_w / 2;
$icon_y1 = $this->y - $icon_h / 2;
$icon_x2 = $this->x + $icon_w / 2;
$icon_y2 = $this->y + $icon_h / 2;
$this->width = imagesx($iconImageRef);
$this->height = imagesy($iconImageRef);
$this->boundingboxes[] = array($icon_x1, $icon_y1, $icon_x2, $icon_y2);
}
}
// do any offset calculations
$deltaX = 0;
$deltaY = 0;
if ($this->labeloffset != '' && $this->iconfile != '') {
$this->labeloffsetx = 0;
$this->labeloffsety = 0;
list($deltaX, $deltaY) = WMUtility::calculateOffset($this->labeloffset, $icon_w + $boxWidth - 1, $icon_h + $boxHeight);
}
$label_x1 += $this->labeloffsetx + $deltaX;
$label_x2 += $this->labeloffsetx + $deltaX;
$label_y1 += $this->labeloffsety + $deltaY;
$label_y2 += $this->labeloffsety + $deltaY;
if ($this->label != '') {
$this->boundingboxes[] = array($label_x1, $label_y1, $label_x2, $label_y2);
}
// work out the bounding box of the whole thing
$totalBoundingBox = new WMBoundingBox();
// $totalBoundingBox->addRectangle();
// $totalBoundingBox->addRectangle();
$bbox_x1 = min($label_x1, $icon_x1);
$bbox_x2 = max($label_x2, $icon_x2) + 1;
$bbox_y1 = min($label_y1, $icon_y1);
$bbox_y2 = max($label_y2, $icon_y2) + 1;
// create TWO imagemap entries - one for the label and one for the icon
// (so we can have close-spaced icons better)
$temp_width = $bbox_x2 - $bbox_x1;
$temp_height = $bbox_y2 - $bbox_y1;
// create an image of that size and draw into it
$node_im = imagecreatetruecolor($temp_width, $temp_height);
// ImageAlphaBlending($node_im, false);
imageSaveAlpha($node_im, true);
$nothing = imagecolorallocatealpha($node_im, 128, 0, 0, 127);
imagefill($node_im, 0, 0, $nothing);
$label_x1 -= $bbox_x1;
$label_x2 -= $bbox_x1;
$label_y1 -= $bbox_y1;
$label_y2 -= $bbox_y1;
$icon_x1 -= $bbox_x1;
$icon_y1 -= $bbox_y1;
$labelObj->translate(-$bbox_x1 + $deltaX + $this->labeloffsetx, -$bbox_y1 + $deltaY + $this->labeloffsety);
// Draw the icon, if any
if (isset($iconImageRef)) {
$iconObj->draw($node_im);
// imagecopy($node_im, $iconImageRef, $icon_x1, $icon_y1, 0, 0, imagesx($iconImageRef), imagesy($iconImageRef));
// imagedestroy($iconImageRef);
}
// Draw the label, if any
if ($this->label != '') {
$labelObj->draw($node_im);
}
$this->centre_x = $this->x - $bbox_x1;
$this->centre_y = $this->y - $bbox_y1;
$this->image = $node_im;
}
function preRender($im, &$map)
{
// don't bother drawing if it's a template
if ($this->isTemplate()) {
return;
}
// apparently, some versions of the gd extension will crash if we continue...
if ($this->label == '' && $this->iconfile == '') {
return;
}
$iconObj = null;
$labelObj = null;
$labelFillColour = $this->calculateFillColour();
$iconFillColour = $this->calculateIconFillColour();
// start these off with sensible values, so that bbox
// calculations are easier.
$icon_x1 = $this->x;
$icon_x2 = $this->x;
$icon_y1 = $this->y;
$icon_y2 = $this->y;
$label_x1 = $this->x;
$label_x2 = $this->x;
$label_y1 = $this->y;
$label_y2 = $this->y;
$boxWidth = 0;
$boxHeight = 0;
$icon_w = 0;
$icon_h = 0;
// figure out a bounding rectangle for the label
if ($this->label != '') {
$labelObj = new WMNodeLabel($this);
$this->processedLabel = $map->ProcessString($this->label, $this, true, true);
// if screenshot_mode is enabled, wipe any letters to X and wipe any IP address to 127.0.0.1
// hopefully that will preserve enough information to show cool stuff without leaking info
if ($map->get_hint('screenshot_mode') == 1) {
$this->processedLabel = WMUtility::stringAnonymise($this->processedLabel);
}
$labelObj->calculateGeometry($this->processedLabel, $this->labelfont);
$labelObj->preRender($labelFillColour, $this->labeloutlinecolour, $this->labelfontshadowcolour, $this->labelfontcolour);
}
// figure out a bounding rectangle for the icon
if ($this->iconfile != '') {
$iconImageRef = null;
$icon_w = 0;
$icon_h = 0;
if (WMNodeArtificialIcon::isAICONName($this->iconfile)) {
$aiconFillColour = $this->aiconfillcolour;
$aiconInkColour = $this->aiconoutlinecolour;
// if useiconscale isn't defined, use the static colours defined by AICONFILLCOLOR and AICONOUTLINECOLOR
// (or copy the colour from the label fill colour)
if ($this->useiconscale == 'none') {
if ($aiconFillColour->isCopy() && !$labelFillColour->isNone()) {
$aiconFillColour = $labelFillColour;
}
} else {
// if useiconscale IS defined, use that to figure out the file colour
$aiconFillColour = $this->calculateIconFillColour();
}
$iconObj = new WMNodeArtificialIcon($this, $aiconInkColour, $aiconFillColour, $iconFillColour, $labelFillColour);
} else {
$iconObj = new WMNodeImageIcon($this);
}
$iconObj->calculateGeometry();
$iconObj->preRender();
$iconImageRef = $iconObj->getImageRef();
if ($iconImageRef) {
$icon_w2 = imagesx($iconImageRef) / 2;
$icon_h2 = imagesy($iconImageRef) / 2;
$iconRect = new WMRectangle(-$icon_w2, -$icon_h2, $icon_w2, $icon_h2);
$iconRect->translate($this->x, $this->y);
$icon_w = imagesx($iconImageRef);
$icon_h = imagesy($iconImageRef);
$icon_x1 = $this->x - $icon_w / 2;
$icon_y1 = $this->y - $icon_h / 2;
$icon_x2 = $this->x + $icon_w / 2;
$icon_y2 = $this->y + $icon_h / 2;
$this->width = imagesx($iconImageRef);
$this->height = imagesy($iconImageRef);
$this->boundingboxes[] = array($icon_x1, $icon_y1, $icon_x2, $icon_y2);
}
}
// do any offset calculations
$deltaX = 0;
$deltaY = 0;
if ($this->labeloffset != '' && $this->iconfile != '') {
$this->labeloffsetx = 0;
$this->labeloffsety = 0;
list($deltaX, $deltaY) = WMUtility::calculateOffset($this->labeloffset, $icon_w + $boxWidth - 1, $icon_h + $boxHeight);
}
$label_x1 += $this->labeloffsetx + $deltaX;
$label_x2 += $this->labeloffsetx + $deltaX;
$label_y1 += $this->labeloffsety + $deltaY;
$label_y2 += $this->labeloffsety + $deltaY;
if ($this->label != '') {
$this->boundingboxes[] = array($label_x1, $label_y1, $label_x2, $label_y2);
}
// work out the bounding box of the whole thing
$totalBoundingBox = new WMBoundingBox();
// $totalBoundingBox->addRectangle();
// $totalBoundingBox->addRectangle();
$bbox_x1 = min($label_x1, $icon_x1);
$bbox_x2 = max($label_x2, $icon_x2) + 1;
$bbox_y1 = min($label_y1, $icon_y1);
$bbox_y2 = max($label_y2, $icon_y2) + 1;
// create TWO imagemap entries - one for the label and one for the icon
// (so we can have close-spaced icons better)
$temp_width = $bbox_x2 - $bbox_x1;
$temp_height = $bbox_y2 - $bbox_y1;
// create an image of that size and draw into it
$node_im = imagecreatetruecolor($temp_width, $temp_height);
// ImageAlphaBlending($node_im, false);
imageSaveAlpha($node_im, true);
$nothing = imagecolorallocatealpha($node_im, 128, 0, 0, 127);
imagefill($node_im, 0, 0, $nothing);
$label_x1 -= $bbox_x1;
$label_x2 -= $bbox_x1;
$label_y1 -= $bbox_y1;
$label_y2 -= $bbox_y1;
$icon_x1 -= $bbox_x1;
$icon_y1 -= $bbox_y1;
// Draw the icon, if any
if (isset($iconImageRef)) {
$iconObj->draw($node_im, $icon_x1, $icon_y1);
// imagecopy($node_im, $iconImageRef, $icon_x1, $icon_y1, 0, 0, imagesx($iconImageRef), imagesy($iconImageRef));
// imagedestroy($iconImageRef);
}
// Draw the label, if any
if ($this->label != '') {
$labelObj->translate(-$bbox_x1 + $deltaX + $this->labeloffsetx, -$bbox_y1 + $deltaY + $this->labeloffsety);
$labelObj->draw($node_im);
}
$this->centre_x = $this->x - $bbox_x1;
$this->centre_y = $this->y - $bbox_y1;
$this->image = $node_im;
}
public function testWeathermapInternals()
{
$this->assertEquals(array(0, 0), WMUtility::calculateOffset("donkey", 10, 20));
$this->assertEquals(array(0, 0), WMUtility::calculateOffset("", 10, 20));
$this->assertEquals(array(0, 0), WMUtility::calculateOffset("C", 10, 20));
// +Y is down (i.e. South)
$this->assertEquals(array(0, -10), WMUtility::calculateOffset("N", 10, 20));
$this->assertEquals(array(0, 10), WMUtility::calculateOffset("S", 10, 20));
}