<option value="tr" <?php
echo osc_watermark_place() == 'tr' ? 'selected="true"' : '';
?>
><?php
_e('Top Right');
?>
</option>
<option value="bl" <?php
echo osc_watermark_place() == 'bl' ? 'selected="true"' : '';
?>
><?php
_e('Bottom Left');
?>
</option>
<option value="br" <?php
echo osc_watermark_place() == 'br' ? 'selected="true"' : '';
?>
><?php
_e('Bottom Right');
?>
</option>
</select>
</p>
</div>
</fieldset>
<input id="button_save" type="submit" value="<?php
_e('Update');
?>
" />
</form>
/**
* Calculate offset acording to watermark alignment
*
* @param resource $image
* @param array $opt
* @return array
*/
private function calculateOffset($image, $text)
{
//, array $opt) {
$offset = array('x' => 0, 'y' => 0);
// get image size and calculate bounding box
$isize = $this->getImageSize($image);
$bbox = $this->calculateBBox($text);
switch (osc_watermark_place()) {
case 'tl':
$offset['x'] = 1;
$offset['y'] = $bbox['height'] + 1;
break;
case 'tr':
$offset['x'] = $isize['x'] - $bbox['top_right']['x'] - 1;
$offset['y'] = $bbox['height'] + 1;
break;
case 'bl':
$offset['x'] = 1;
$offset['y'] = $isize['y'] - 1;
break;
case 'br':
$offset['x'] = $isize['x'] - $bbox['top_right']['x'] - 1;
$offset['y'] = $isize['y'] - 1;
break;
default:
$offset['x'] = $isize['x'] / 2 - $bbox['top_right']['x'] / 2;
$offset['y'] = $isize['y'] / 2 - $bbox['top_right']['y'] / 2;
break;
}
return $offset;
}
public function doWatermarkImage()
{
$this->_watermarked = true;
$path_watermark = osc_uploads_path() . 'watermark.png';
if (osc_use_imagick()) {
$wm = new Imagick($path_watermark);
$wgeo = $wm->getImageGeometry();
switch (osc_watermark_place()) {
case 'tl':
$dest_x = 0;
$dest_y = 0;
break;
case 'tr':
$dest_x = $this->_width - $wgeo['width'];
$dest_y = 0;
break;
case 'bl':
$dest_x = 0;
$dest_y = $this->_height - $wgeo['height'];
break;
case 'br':
$dest_x = $this->_width - $wgeo['width'];
$dest_y = $this->_height - $wgeo['height'];
break;
default:
$dest_x = ($this->_width - $wgeo['width']) / 2;
$dest_y = ($this->_height - $wgeo['height']) / 2;
break;
}
$this->im->compositeImage($wm, imagick::COMPOSITE_OVER, $dest_x, $dest_y);
$wm->destroy();
} else {
$watermark = imagecreatefrompng($path_watermark);
$watermark_width = imagesx($watermark);
$watermark_height = imagesy($watermark);
switch (osc_watermark_place()) {
case 'tl':
$dest_x = 0;
$dest_y = 0;
break;
case 'tr':
$dest_x = $this->_width - $watermark_width;
$dest_y = 0;
break;
case 'bl':
$dest_x = 0;
$dest_y = $this->_height - $watermark_height;
break;
case 'br':
$dest_x = $this->_width - $watermark_width;
$dest_y = $this->_height - $watermark_height;
break;
default:
$dest_x = ($this->_width - $watermark_width) / 2;
$dest_y = ($this->_height - $watermark_height) / 2;
break;
}
$this->_imagecopymerge_alpha($this->im, $watermark, $dest_x, $dest_y, 0, 0, $watermark_width, $watermark_height, 100);
imagedestroy($watermark);
}
return $this;
}
