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: /mnt/lmsestudio-instance-vol002/lms_5d22fc93410e/vendor/dompdf/dompdf/src/FrameReflower/ [ drwxr-xr-x ]
name : Image.php <?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 Dompdf\FrameReflower; use Dompdf\Helpers; use Dompdf\FrameDecorator\Block as BlockFrameDecorator; use Dompdf\FrameDecorator\Image as ImageFrameDecorator; /** * Image reflower class * * @package dompdf */ class Image extends AbstractFrameReflower { /** * Image constructor. * @param ImageFrameDecorator $frame */ function __construct(ImageFrameDecorator $frame) { parent::__construct($frame); } /** * @param BlockFrameDecorator|null $block */ function reflow(BlockFrameDecorator $block = null) { $this->_frame->position(); //FLOAT //$frame = $this->_frame; //$page = $frame->get_root(); //if ($frame->get_style()->float !== "none" ) { // $page->add_floating_frame($this); //} // Set the frame's width $this->get_min_max_width(); if ($block) { $block->add_frame_to_line($this->_frame); } } /** * @return array */ function get_min_max_width() { if ($this->get_dompdf()->getOptions()->getDebugPng()) { // Determine the image's size. Time consuming. Only when really needed? list($img_width, $img_height) = Helpers::dompdf_getimagesize($this->_frame->get_image_url(), $this->get_dompdf()->getHttpContext()); print "get_min_max_width() " . $this->_frame->get_style()->width . ' ' . $this->_frame->get_style()->height . ';' . $this->_frame->get_parent()->get_style()->width . " " . $this->_frame->get_parent()->get_style()->height . ";" . $this->_frame->get_parent()->get_parent()->get_style()->width . ' ' . $this->_frame->get_parent()->get_parent()->get_style()->height . ';' . $img_width . ' ' . $img_height . '|'; } $style = $this->_frame->get_style(); $width_forced = true; $height_forced = true; //own style auto or invalid value: use natural size in px //own style value: ignore suffix text including unit, use given number as px //own style %: walk up parent chain until found available space in pt; fill available space // //special ignored unit: e.g. 10ex: e treated as exponent; x ignored; 10e completely invalid ->like auto $width = ($style->width > 0 ? $style->width : 0); if (Helpers::is_percent($width)) { $t = 0.0; for ($f = $this->_frame->get_parent(); $f; $f = $f->get_parent()) { $f_style = $f->get_style(); $t = $f_style->length_in_pt($f_style->width); if ($t != 0) { break; } } $width = ((float)rtrim($width, "%") * $t) / 100; //maybe 0 } else { // Don't set image original size if "%" branch was 0 or size not given. // Otherwise aspect changed on %/auto combination for width/height // Resample according to px per inch // See also ListBulletImage::__construct $width = $style->length_in_pt($width); } $height = ($style->height > 0 ? $style->height : 0); if (Helpers::is_percent($height)) { $t = 0.0; for ($f = $this->_frame->get_parent(); $f; $f = $f->get_parent()) { $f_style = $f->get_style(); $t = (float)$f_style->length_in_pt($f_style->height); if ($t != 0) { break; } } $height = ((float)rtrim($height, "%") * $t) / 100; //maybe 0 } else { // Don't set image original size if "%" branch was 0 or size not given. // Otherwise aspect changed on %/auto combination for width/height // Resample according to px per inch // See also ListBulletImage::__construct $height = $style->length_in_pt($height); } if ($width == 0 || $height == 0) { // Determine the image's size. Time consuming. Only when really needed! list($img_width, $img_height) = Helpers::dompdf_getimagesize($this->_frame->get_image_url(), $this->get_dompdf()->getHttpContext()); // don't treat 0 as error. Can be downscaled or can be catched elsewhere if image not readable. // Resample according to px per inch // See also ListBulletImage::__construct if ($width == 0 && $height == 0) { $dpi = $this->_frame->get_dompdf()->getOptions()->getDpi(); $width = (float)($img_width * 72) / $dpi; $height = (float)($img_height * 72) / $dpi; $width_forced = false; $height_forced = false; } elseif ($height == 0 && $width != 0) { $height_forced = false; $height = ($width / $img_width) * $img_height; //keep aspect ratio } elseif ($width == 0 && $height != 0) { $width_forced = false; $width = ($height / $img_height) * $img_width; //keep aspect ratio } } // Handle min/max width/height if ($style->min_width !== "none" || $style->max_width !== "none" || $style->min_height !== "none" || $style->max_height !== "none" ) { list( /*$x*/, /*$y*/, $w, $h) = $this->_frame->get_containing_block(); $min_width = $style->length_in_pt($style->min_width, $w); $max_width = $style->length_in_pt($style->max_width, $w); $min_height = $style->length_in_pt($style->min_height, $h); $max_height = $style->length_in_pt($style->max_height, $h); if ($max_width !== "none" && $width > $max_width) { if (!$height_forced) { $height *= $max_width / $width; } $width = $max_width; } if ($min_width !== "none" && $width < $min_width) { if (!$height_forced) { $height *= $min_width / $width; } $width = $min_width; } if ($max_height !== "none" && $height > $max_height) { if (!$width_forced) { $width *= $max_height / $height; } $height = $max_height; } if ($min_height !== "none" && $height < $min_height) { if (!$width_forced) { $width *= $min_height / $height; } $height = $min_height; } } if ($this->get_dompdf()->getOptions()->getDebugPng()) { print $width . ' ' . $height . ';'; } $style->width = $width . "pt"; $style->height = $height . "pt"; $style->min_width = "none"; $style->max_width = "none"; $style->min_height = "none"; $style->max_height = "none"; return [$width, $width, "min" => $width, "max" => $width]; } }