<?php
/**
 * webtrees: online genealogy
 * Copyright (C) 2016 webtrees development team
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 * You should have received a copy of the GNU General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 */
namespace Fisharebest\Webtrees\Report;

/**
 * Class ReportHtmlImage
 */
class ReportHtmlImage extends ReportBaseImage {
	/**
	 * Image renderer
	 *
	 * @param ReportHtml $renderer
	 */
	public function render($renderer) {
		global $lastpicbottom, $lastpicpage, $lastpicleft, $lastpicright;

		// Get the current positions
		if ($this->x == '.') {
			$this->x = $renderer->getX();
		}
		if ($this->y == '.') {
			//-- first check for a collision with the last picture
			if (isset($lastpicbottom)) {
				if (($renderer->pageNo() == $lastpicpage) && ($lastpicbottom >= $renderer->getY()) && ($this->x >= $lastpicleft) && ($this->x <= $lastpicright)) {
					$renderer->setY($lastpicbottom + ($renderer->cPadding * 2));
				}
			}
			$this->y = $renderer->getY();
		}

		// Image alignment
		switch ($this->align) {
		case 'L':
			echo '<div style="position:absolute;top:', $this->y, 'pt;left:0pt;width:', $renderer->getRemainingWidth(), "pt;text-align:left;\">\n";
			echo '<img src="', $this->file, '" style="width:', $this->width, 'pt;height:', $this->height, "pt;\" alt=\"\">\n</div>\n";
			break;
		case 'C':
			echo '<div style="position:absolute;top:', $this->y, 'pt;left:0pt;width:', $renderer->getRemainingWidth(), "pt;text-align:center;\">\n";
			echo '<img src="', $this->file, '" style="width:', $this->width, 'pt;height:', $this->height, "pt;\" alt=\"\">\n</div>\n";
			break;
		case 'R':
			echo '<div style="position:absolute;top:', $this->y, 'pt;left:0pt;width:', $renderer->getRemainingWidth(), "pt;text-align:right;\">\n";
			echo '<img src="', $this->file, '" style="width:', $this->width, 'pt;height:', $this->height, "pt;\" alt=\"\">\n</div>\n";
			break;
		default:
			echo '<img src="', $this->file, '" style="position:absolute;', $renderer->alignRTL, ':', $this->x, 'pt;top:', $this->y, 'pt;width:', $this->width, 'pt;height:', $this->height, "pt;\" alt=\"\">\n";
		}

		$lastpicpage   = $renderer->pageNo();
		$lastpicleft   = $this->x;
		$lastpicright  = $this->x + $this->width;
		$lastpicbottom = $this->y + $this->height;
		// Setup for the next line
		if ($this->line == 'N') {
			$renderer->setY($lastpicbottom);
		}
		// Keep max Y updated
		$renderer->addMaxY($lastpicbottom);
	}

	/**
	 * Get the image height
	 * This would be called from the TextBox only for multiple images
	 * so we add a bit bottom space between the images
	 *
	 * @param ReportHtml $html
	 *
	 * @return float
	 */
	public function getHeight($html) {
		return $this->height + ($html->cPadding * 2);
	}

}
