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 = $node_im;
}
function preRender($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;
}