mirror of
https://github.com/Icinga/icingaweb2.git
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263 lines
8.7 KiB
PHP
263 lines
8.7 KiB
PHP
<?php
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/**
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* @package dompdf
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* @link http://dompdf.github.com/
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* @author Benj Carson <benjcarson@digitaljunkies.ca>
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* @license http://www.gnu.org/copyleft/lesser.html GNU Lesser General Public License
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*/
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namespace Dompdf\Renderer;
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use Dompdf\Frame;
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use Dompdf\FrameDecorator\AbstractFrameDecorator;
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use Dompdf\Helpers;
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/**
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* Renders block frames
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*
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* @package dompdf
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*/
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class Block extends AbstractRenderer
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{
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/**
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* @param Frame $frame
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*/
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function render(Frame $frame)
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{
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$style = $frame->get_style();
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$node = $frame->get_node();
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list($x, $y, $w, $h) = $frame->get_border_box();
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$this->_set_opacity($frame->get_opacity($style->opacity));
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if ($node->nodeName === "body") {
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$h = $frame->get_containing_block("h") - (float)$style->length_in_pt(array(
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$style->margin_top,
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$style->border_top_width,
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$style->border_bottom_width,
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$style->margin_bottom),
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(float)$style->length_in_pt($style->width));
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}
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// Handle anchors & links
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if ($node->nodeName === "a" && $href = $node->getAttribute("href")) {
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$href = Helpers::build_url($this->_dompdf->getProtocol(), $this->_dompdf->getBaseHost(), $this->_dompdf->getBasePath(), $href);
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$this->_canvas->add_link($href, $x, $y, (float)$w, (float)$h);
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}
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// Draw our background, border and content
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list($tl, $tr, $br, $bl) = $style->get_computed_border_radius($w, $h);
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if ($tl + $tr + $br + $bl > 0) {
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$this->_canvas->clipping_roundrectangle($x, $y, (float)$w, (float)$h, $tl, $tr, $br, $bl);
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}
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if (($bg = $style->background_color) !== "transparent") {
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$this->_canvas->filled_rectangle($x, $y, (float)$w, (float)$h, $bg);
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}
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if (($url = $style->background_image) && $url !== "none") {
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$this->_background_image($url, $x, $y, $w, $h, $style);
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}
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if ($tl + $tr + $br + $bl > 0) {
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$this->_canvas->clipping_end();
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}
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$border_box = array($x, $y, $w, $h);
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$this->_render_border($frame, $border_box);
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$this->_render_outline($frame, $border_box);
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if ($this->_dompdf->getOptions()->getDebugLayout() && $this->_dompdf->getOptions()->getDebugLayoutBlocks()) {
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$this->_debug_layout($frame->get_border_box(), "red");
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if ($this->_dompdf->getOptions()->getDebugLayoutPaddingBox()) {
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$this->_debug_layout($frame->get_padding_box(), "red", array(0.5, 0.5));
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}
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}
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if ($this->_dompdf->getOptions()->getDebugLayout() && $this->_dompdf->getOptions()->getDebugLayoutLines() && $frame->get_decorator()) {
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foreach ($frame->get_decorator()->get_line_boxes() as $line) {
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$frame->_debug_layout(array($line->x, $line->y, $line->w, $line->h), "orange");
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}
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}
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$id = $frame->get_node()->getAttribute("id");
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if (strlen($id) > 0) {
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$this->_canvas->add_named_dest($id);
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}
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}
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/**
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* @param AbstractFrameDecorator $frame
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* @param null $border_box
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* @param string $corner_style
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*/
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protected function _render_border(AbstractFrameDecorator $frame, $border_box = null, $corner_style = "bevel")
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{
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$style = $frame->get_style();
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$bp = $style->get_border_properties();
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if (empty($border_box)) {
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$border_box = $frame->get_border_box();
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}
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// find the radius
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$radius = $style->get_computed_border_radius($border_box[2], $border_box[3]); // w, h
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// Short-cut: If all the borders are "solid" with the same color and style, and no radius, we'd better draw a rectangle
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if (
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in_array($bp["top"]["style"], array("solid", "dashed", "dotted")) &&
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$bp["top"] == $bp["right"] &&
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$bp["right"] == $bp["bottom"] &&
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$bp["bottom"] == $bp["left"] &&
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array_sum($radius) == 0
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) {
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$props = $bp["top"];
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if ($props["color"] === "transparent" || $props["width"] <= 0) {
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return;
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}
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list($x, $y, $w, $h) = $border_box;
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$width = (float)$style->length_in_pt($props["width"]);
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$pattern = $this->_get_dash_pattern($props["style"], $width);
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$this->_canvas->rectangle($x + $width / 2, $y + $width / 2, (float)$w - $width, (float)$h - $width, $props["color"], $width, $pattern);
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return;
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}
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// Do it the long way
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$widths = array(
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(float)$style->length_in_pt($bp["top"]["width"]),
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(float)$style->length_in_pt($bp["right"]["width"]),
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(float)$style->length_in_pt($bp["bottom"]["width"]),
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(float)$style->length_in_pt($bp["left"]["width"])
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);
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foreach ($bp as $side => $props) {
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list($x, $y, $w, $h) = $border_box;
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$length = 0;
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$r1 = 0;
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$r2 = 0;
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if (!$props["style"] ||
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$props["style"] === "none" ||
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$props["width"] <= 0 ||
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$props["color"] == "transparent"
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) {
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continue;
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}
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switch ($side) {
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case "top":
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$length = (float)$w;
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$r1 = $radius["top-left"];
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$r2 = $radius["top-right"];
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break;
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case "bottom":
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$length = (float)$w;
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$y += (float)$h;
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$r1 = $radius["bottom-left"];
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$r2 = $radius["bottom-right"];
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break;
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case "left":
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$length = (float)$h;
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$r1 = $radius["top-left"];
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$r2 = $radius["bottom-left"];
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break;
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case "right":
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$length = (float)$h;
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$x += (float)$w;
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$r1 = $radius["top-right"];
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$r2 = $radius["bottom-right"];
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break;
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default:
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break;
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}
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$method = "_border_" . $props["style"];
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// draw rounded corners
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$this->$method($x, $y, $length, $props["color"], $widths, $side, $corner_style, $r1, $r2);
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}
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}
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/**
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* @param AbstractFrameDecorator $frame
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* @param null $border_box
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* @param string $corner_style
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*/
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protected function _render_outline(AbstractFrameDecorator $frame, $border_box = null, $corner_style = "bevel")
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{
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$style = $frame->get_style();
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$props = array(
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"width" => $style->outline_width,
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"style" => $style->outline_style,
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"color" => $style->outline_color,
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);
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if (!$props["style"] || $props["style"] === "none" || $props["width"] <= 0) {
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return;
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}
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if (empty($border_box)) {
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$border_box = $frame->get_border_box();
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}
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$offset = (float)$style->length_in_pt($props["width"]);
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$pattern = $this->_get_dash_pattern($props["style"], $offset);
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// If the outline style is "solid" we'd better draw a rectangle
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if (in_array($props["style"], array("solid", "dashed", "dotted"))) {
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$border_box[0] -= $offset / 2;
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$border_box[1] -= $offset / 2;
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$border_box[2] += $offset;
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$border_box[3] += $offset;
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list($x, $y, $w, $h) = $border_box;
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$this->_canvas->rectangle($x, $y, (float)$w, (float)$h, $props["color"], $offset, $pattern);
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return;
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}
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$border_box[0] -= $offset;
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$border_box[1] -= $offset;
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$border_box[2] += $offset * 2;
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$border_box[3] += $offset * 2;
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$method = "_border_" . $props["style"];
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$widths = array_fill(0, 4, (float)$style->length_in_pt($props["width"]));
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$sides = array("top", "right", "left", "bottom");
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$length = 0;
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foreach ($sides as $side) {
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list($x, $y, $w, $h) = $border_box;
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switch ($side) {
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case "top":
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$length = (float)$w;
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break;
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case "bottom":
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$length = (float)$w;
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$y += (float)$h;
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break;
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case "left":
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$length = (float)$h;
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break;
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case "right":
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$length = (float)$h;
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$x += (float)$w;
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break;
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default:
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break;
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}
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$this->$method($x, $y, $length, $props["color"], $widths, $side, $corner_style);
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}
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}
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}
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