/**
* {@inheritDoc}
*/
public function watermarkText($wm_txt_text, $wm_txt_font_path, $wm_txt_start_x = 0, $wm_txt_start_y = 0, $wm_txt_font_size = 10, $wm_txt_font_color = 'transwhitetext', $wm_txt_font_alpha = 60)
{
if (false === $this->isClassSetup()) {
return false;
}
// setup source image object
if (false === $this->setupSourceImageObject()) {
return false;
}
// check previous step contain errors?
if ($this->isPreviousError() === true) {
return false;
}
if (!is_file($wm_txt_font_path)) {
$this->status = false;
$this->status_msg = 'Unable to load font file.';
return false;
}
$wm_txt_font_path = realpath($wm_txt_font_path);
// find text width and height
// +10 will be -5 padding on watermark text area.
$ImagickDraw = new \ImagickDraw();
$ImagickDraw->setFont($wm_txt_font_path);
$ImagickDraw->setFontSize($wm_txt_font_size);
$ImagickDraw->setGravity(\Imagick::GRAVITY_NORTHWEST);
// set new resolution for font due to it is smaller than GD if it was not set.
$ImagickDraw->setresolution(96, 96);
$type_space = $this->Imagick->queryFontMetrics($ImagickDraw, $wm_txt_text, false);
if (is_array($type_space) && array_key_exists('textWidth', $type_space) && array_key_exists('textHeight', $type_space)) {
$wm_txt_height = $type_space['textHeight'];
$wm_txt_width = $type_space['textWidth'];
}
unset($type_space);
// if start x or y is number, convert to integer value
if (is_numeric($wm_txt_start_x)) {
$wm_txt_start_x = intval($wm_txt_start_x);
}
if (is_numeric($wm_txt_start_y)) {
$wm_txt_start_y = intval($wm_txt_start_y);
}
// if start x or y is NOT number, find the real position of start x or y from word left, center, right, top, middle, bottom
if (!is_numeric($wm_txt_start_x) || !is_numeric($wm_txt_start_y)) {
if (!is_numeric($wm_txt_start_x)) {
switch (strtolower($wm_txt_start_x)) {
case 'center':
$image_width = $this->Imagick->getImageWidth();
$watermark_width = $wm_txt_width;
$wm_txt_start_x = $this->calculateStartXOfCenter($watermark_width, $image_width);
unset($image_width, $watermark_width);
break;
case 'right':
$image_width = $this->Imagick->getImageWidth();
$wm_txt_start_x = intval($image_width - $wm_txt_width) - 5;
// minus 5 because Imagick is different from GD.
unset($image_width);
break;
case 'left':
default:
$wm_txt_start_x = 10;
// Imagick is different from GD, so increase it.
break;
}
}
if (!is_numeric($wm_txt_start_y)) {
switch (strtolower($wm_txt_start_y)) {
case 'middle':
$image_height = $this->Imagick->getImageHeight();
$watermark_height = $wm_txt_height;
$wm_txt_start_y = $this->calculateStartXOfCenter($watermark_height, $image_height);
unset($image_height, $watermark_height);
break;
case 'bottom':
$image_height = $this->Imagick->getImageHeight();
if ($image_height - ($wm_txt_height + 5) > '0') {
$wm_txt_start_y = intval($image_height - ($wm_txt_height + 5));
} else {
$wm_txt_start_y = intval($image_height - $wm_txt_height);
}
unset($image_height);
break;
case 'top':
default:
$wm_txt_start_y = 10;
// Imagick is different from GD, so increase it.
break;
}
}
}
// begins watermark text --------------------------------------------------------------------------------------------
// set color
$black = new \ImagickPixel('black');
$white = new \ImagickPixel('white');
$transwhite = new \ImagickPixel('rgba(255, 255, 255, 0)');
// set color transparent white
$transwhitetext = new \ImagickPixel('rgba(255, 255, 255, ' . $this->convertAlpha127ToRgba($wm_txt_font_alpha) . ')');
if (!isset(${$wm_txt_font_color})) {
$wm_txt_font_color = 'transwhitetext';
}
// fill font color
$ImagickDraw->setFillColor(${$wm_txt_font_color});
// write text on image
if ($this->source_image_frames > 1) {
// if source image is animated gif
$this->Imagick = $this->Imagick->coalesceImages();
if (is_object($this->Imagick)) {
$i = 1;
foreach ($this->Imagick as $Frame) {
$Frame->annotateImage($ImagickDraw, $wm_txt_start_x, $wm_txt_start_y, 0, $wm_txt_text);
$Frame->setImagePage(0, 0, 0, 0);
if ($i == 1) {
$this->ImagickFirstFrame = $Frame->getImage();
}
$i++;
}
unset($Frame, $i);
}
} else {
$this->Imagick->annotateImage($ImagickDraw, $wm_txt_start_x, $wm_txt_start_y, 0, $wm_txt_text);
if ($this->source_image_type == '1') {
// if source image is gif, set image page to prevent sizing error.
$this->Imagick->setImagePage(0, 0, 0, 0);
}
$this->ImagickFirstFrame = null;
}
// end watermark text -----------------------------------------------------------------------------------------------
$ImagickDraw->clear();
$black->destroy();
$transwhite->destroy();
$transwhitetext->destroy();
$white->destroy();
unset($black, $ImagickDraw, $transwhite, $transwhitetext, $white, $wm_txt_height, $wm_txt_width);
$this->destination_image_height = $this->Imagick->getImageHeight();
$this->destination_image_width = $this->Imagick->getImageWidth();
$this->source_image_height = $this->destination_image_height;
$this->source_image_width = $this->destination_image_width;
$this->status = true;
$this->status_msg = null;
return true;
}
<?php
$im = new Imagick();
$im->clear();
$im->destroy();
$im = new ImagickDraw();
$im->clear();
$im->destroy();
$im = new ImagickPixel();
$im->clear();
$im->destroy();
$magick = new Imagick('magick:rose');
$im = new ImagickPixelIterator($magick);
$im->clear();
$im->destroy();
echo 'success';
