<?php

/**
 * @package dompdf
 * @link    http://dompdf.github.com/
 * @author  Benj Carson <benjcarson@digitaljunkies.ca>
 * @author  Fabien Ménager <fabien.menager@gmail.com>
 * @license http://www.gnu.org/copyleft/lesser.html GNU Lesser General Public License
 */
namespace DynamicOOOS\Dompdf\Renderer;

use DynamicOOOS\Dompdf\Frame;
use DynamicOOOS\Dompdf\Image\Cache;
/**
 * Image renderer
 *
 * @access  private
 * @package dompdf
 */
class Image extends Block
{
    /**
     * @param Frame $frame
     */
    function render(Frame $frame)
    {
        // Render background & borders
        $style = $frame->get_style();
        $cb = $frame->get_containing_block();
        list($x, $y, $w, $h) = $frame->get_border_box();
        $this->_set_opacity($frame->get_opacity($style->opacity));
        list($tl, $tr, $br, $bl) = $style->get_computed_border_radius($w, $h);
        $has_border_radius = $tl + $tr + $br + $bl > 0;
        if ($has_border_radius) {
            $this->_canvas->clipping_roundrectangle($x, $y, (float) $w, (float) $h, $tl, $tr, $br, $bl);
        }
        if (($bg = $style->background_color) !== "transparent") {
            $this->_canvas->filled_rectangle($x, $y, (float) $w, (float) $h, $bg);
        }
        if (($url = $style->background_image) && $url !== "none") {
            $this->_background_image($url, $x, $y, $w, $h, $style);
        }
        if ($has_border_radius) {
            $this->_canvas->clipping_end();
        }
        $this->_render_border($frame);
        $this->_render_outline($frame);
        list($x, $y) = $frame->get_padding_box();
        $x += (float) $style->length_in_pt($style->padding_left, $cb["w"]);
        $y += (float) $style->length_in_pt($style->padding_top, $cb["h"]);
        $w = (float) $style->length_in_pt($style->width, $cb["w"]);
        $h = (float) $style->length_in_pt($style->height, $cb["h"]);
        if ($has_border_radius) {
            list($wt, $wr, $wb, $wl) = array($style->border_top_width, $style->border_right_width, $style->border_bottom_width, $style->border_left_width);
            // we have to get the "inner" radius
            if ($tl > 0) {
                $tl -= ($wt + $wl) / 2;
            }
            if ($tr > 0) {
                $tr -= ($wt + $wr) / 2;
            }
            if ($br > 0) {
                $br -= ($wb + $wr) / 2;
            }
            if ($bl > 0) {
                $bl -= ($wb + $wl) / 2;
            }
            $this->_canvas->clipping_roundrectangle($x, $y, $w, $h, $tl, $tr, $br, $bl);
        }
        $src = $frame->get_image_url();
        $alt = null;
        if (Cache::is_broken($src) && ($alt = $frame->get_node()->getAttribute("alt"))) {
            $font = $style->font_family;
            $size = $style->font_size;
            $spacing = $style->word_spacing;
            $this->_canvas->text($x, $y, $alt, $font, $size, $style->color, $spacing);
        } else {
            $this->_canvas->image($src, $x, $y, $w, $h, $style->image_resolution);
        }
        if ($has_border_radius) {
            $this->_canvas->clipping_end();
        }
        if ($msg = $frame->get_image_msg()) {
            $parts = \preg_split("/\\s*\n\\s*/", $msg);
            $height = 10;
            $_y = $alt ? $y + $h - \count($parts) * $height : $y;
            foreach ($parts as $i => $_part) {
                $this->_canvas->text($x, $_y + $i * $height, $_part, "times", $height * 0.8, array(0.5, 0.5, 0.5));
            }
        }
        if ($this->_dompdf->getOptions()->getDebugLayout() && $this->_dompdf->getOptions()->getDebugLayoutBlocks()) {
            $this->_debug_layout($frame->get_border_box(), "blue");
            if ($this->_dompdf->getOptions()->getDebugLayoutPaddingBox()) {
                $this->_debug_layout($frame->get_padding_box(), "blue", array(0.5, 0.5));
            }
        }
        $id = $frame->get_node()->getAttribute("id");
        if (\strlen($id) > 0) {
            $this->_canvas->add_named_dest($id);
        }
    }
}
