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124b42c9f1
Remove tcpdf because of improper CSS support and use Dompdf instead, to be able to generate pdfs that look similar to the html views refs #4356
866 lines
26 KiB
PHP
866 lines
26 KiB
PHP
<?php
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/**
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* @package dompdf
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* @link http://www.dompdf.com/
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* @author Benj Carson <benjcarson@digitaljunkies.ca>
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* @author Helmut Tischer <htischer@weihenstephan.org>
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* @author Fabien Ménager <fabien.menager@gmail.com>
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* @license http://www.gnu.org/copyleft/lesser.html GNU Lesser General Public License
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* @version $Id: abstract_renderer.cls.php 448 2011-11-13 13:00:03Z fabien.menager $
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*/
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/**
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* Base renderer class
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*
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* @access private
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* @package dompdf
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*/
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abstract class Abstract_Renderer {
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/**
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* Rendering backend
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*
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* @var Canvas
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*/
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protected $_canvas;
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/**
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* Current dompdf instance
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*
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* @var DOMPDF
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*/
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protected $_dompdf;
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/**
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* Class constructor
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*
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* @param DOMPDF $dompdf The current dompdf instance
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*/
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function __construct(DOMPDF $dompdf) {
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$this->_dompdf = $dompdf;
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$this->_canvas = $dompdf->get_canvas();
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}
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/**
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* Render a frame.
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*
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* Specialized in child classes
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*
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* @param Frame $frame The frame to render
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*/
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abstract function render(Frame $frame);
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//........................................................................
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/**
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* Render a background image over a rectangular area
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*
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* @param string $img The background image to load
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* @param float $x The left edge of the rectangular area
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* @param float $y The top edge of the rectangular area
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* @param float $width The width of the rectangular area
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* @param float $height The height of the rectangular area
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* @param Style $style The associated Style object
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*/
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protected function _background_image($url, $x, $y, $width, $height, $style) {
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$sheet = $style->get_stylesheet();
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// Skip degenerate cases
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if ( $width == 0 || $height == 0 )
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return;
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$box_width = $width;
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$box_height = $height;
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//debugpng
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if (DEBUGPNG) print '[_background_image '.$url.']';
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list($img, $type, $msg) = Image_Cache::resolve_url($url,
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$sheet->get_protocol(),
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$sheet->get_host(),
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$sheet->get_base_path());
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// Bail if the image is no good
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if ( Image_Cache::is_broken($img) )
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return;
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//Try to optimize away reading and composing of same background multiple times
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//Postponing read with imagecreatefrom ...()
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//final composition paramters and name not known yet
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//Therefore read dimension directly from file, instead of creating gd object first.
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//$img_w = imagesx($src); $img_h = imagesy($src);
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list($img_w, $img_h) = dompdf_getimagesize($img);
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if (!isset($img_w) || $img_w == 0 || !isset($img_h) || $img_h == 0) {
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return;
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}
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$repeat = $style->background_repeat;
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$bg_color = $style->background_color;
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//Increase background resolution and dependent box size according to image resolution to be placed in
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//Then image can be copied in without resize
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$bg_width = round((float)($width * DOMPDF_DPI) / 72);
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$bg_height = round((float)($height * DOMPDF_DPI) / 72);
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//Need %bg_x, $bg_y as background pos, where img starts, converted to pixel
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list($bg_x, $bg_y) = $style->background_position;
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if ( is_percent($bg_x) ) {
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// The point $bg_x % from the left edge of the image is placed
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// $bg_x % from the left edge of the background rectangle
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$p = ((float)$bg_x)/100.0;
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$x1 = $p * $img_w;
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$x2 = $p * $bg_width;
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$bg_x = $x2 - $x1;
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} else {
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$bg_x = (float)($style->length_in_pt($bg_x)*DOMPDF_DPI) / 72;
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}
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$bg_x = round($bg_x + $style->length_in_pt($style->border_left_width)*DOMPDF_DPI / 72);
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if ( is_percent($bg_y) ) {
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// The point $bg_y % from the left edge of the image is placed
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// $bg_y % from the left edge of the background rectangle
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$p = ((float)$bg_y)/100.0;
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$y1 = $p * $img_h;
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$y2 = $p * $bg_height;
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$bg_y = $y2 - $y1;
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} else {
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$bg_y = (float)($style->length_in_pt($bg_y)*DOMPDF_DPI) / 72;
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}
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$bg_y = round($bg_y + $style->length_in_pt($style->border_top_width)*DOMPDF_DPI / 72);
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//clip background to the image area on partial repeat. Nothing to do if img off area
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//On repeat, normalize start position to the tile at immediate left/top or 0/0 of area
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//On no repeat with positive offset: move size/start to have offset==0
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//Handle x/y Dimensions separately
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if ( $repeat !== "repeat" && $repeat !== "repeat-x" ) {
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//No repeat x
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if ($bg_x < 0) {
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$bg_width = $img_w + $bg_x;
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} else {
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$x += ($bg_x * 72)/DOMPDF_DPI;
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$bg_width = $bg_width - $bg_x;
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if ($bg_width > $img_w) {
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$bg_width = $img_w;
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}
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$bg_x = 0;
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}
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if ($bg_width <= 0) {
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return;
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}
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$width = (float)($bg_width * 72)/DOMPDF_DPI;
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} else {
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//repeat x
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if ($bg_x < 0) {
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$bg_x = - ((-$bg_x) % $img_w);
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} else {
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$bg_x = $bg_x % $img_w;
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if ($bg_x > 0) {
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$bg_x -= $img_w;
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}
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}
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}
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if ( $repeat !== "repeat" && $repeat !== "repeat-y" ) {
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//no repeat y
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if ($bg_y < 0) {
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$bg_height = $img_h + $bg_y;
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} else {
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$y += ($bg_y * 72)/DOMPDF_DPI;
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$bg_height = $bg_height - $bg_y;
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if ($bg_height > $img_h) {
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$bg_height = $img_h;
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}
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$bg_y = 0;
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}
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if ($bg_height <= 0) {
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return;
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}
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$height = (float)($bg_height * 72)/DOMPDF_DPI;
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} else {
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//repeat y
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if ($bg_y < 0) {
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$bg_y = - ((-$bg_y) % $img_h);
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} else {
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$bg_y = $bg_y % $img_h;
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if ($bg_y > 0) {
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$bg_y -= $img_h;
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}
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}
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}
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//Optimization, if repeat has no effect
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if ( $repeat === "repeat" && $bg_y <= 0 && $img_h+$bg_y >= $bg_height ) {
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$repeat = "repeat-x";
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}
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if ( $repeat === "repeat" && $bg_x <= 0 && $img_w+$bg_x >= $bg_width ) {
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$repeat = "repeat-y";
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}
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if ( ($repeat === "repeat-x" && $bg_x <= 0 && $img_w+$bg_x >= $bg_width) ||
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($repeat === "repeat-y" && $bg_y <= 0 && $img_h+$bg_y >= $bg_height) ) {
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$repeat = "no-repeat";
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}
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//Use filename as indicator only
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//different names for different variants to have different copies in the pdf
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//This is not dependent of background color of box! .'_'.(is_array($bg_color) ? $bg_color["hex"] : $bg_color)
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//Note: Here, bg_* are the start values, not end values after going through the tile loops!
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$filedummy = $img;
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/*
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//Make shorter strings with limited characters for cache associative array index - needed?
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//Strip common base path - server root, explicite temp, default temp; remove unwanted characters;
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$filedummy = strtr($filedummy,"\\:","//");
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$p = strtr($_SERVER["DOCUMENT_ROOT"],"\\:","//");
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$l = strlen($p);
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if ( substr($filedummy,0,$l) == $p) {
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$filedummy = substr($filedummy,$l);
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} else {
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$p = strtr(DOMPDF_TEMP_DIR,"\\:","//");
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$l = strlen($p);
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if ( substr($filedummy,0,$l) == $p) {
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$filedummy = substr($filedummy,$l);
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} else {
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$p = strtr(sys_get_temp_dir(),"\\:","//");
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$l = strlen($p);
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if ( substr($filedummy,0,$l) == $p) {
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$filedummy = substr($filedummy,$l);
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}
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}
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}
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*/
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$is_png = false;
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$filedummy .= '_'.$bg_width.'_'.$bg_height.'_'.$bg_x.'_'.$bg_y.'_'.$repeat;
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//debugpng
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//if (DEBUGPNG) print '<pre>[_background_image name '.$filedummy.']</pre>';
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//Optimization to avoid multiple times rendering the same image.
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//If check functions are existing and identical image already cached,
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//then skip creation of duplicate, because it is not needed by addImagePng
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if ( method_exists( $this->_canvas, "get_cpdf" ) &&
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method_exists( $this->_canvas->get_cpdf(), "addImagePng" ) &&
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method_exists( $this->_canvas->get_cpdf(), "image_iscached" ) &&
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$this->_canvas->get_cpdf()->image_iscached($filedummy) ) {
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$bg = null;
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//debugpng
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//if (DEBUGPNG) print '[_background_image skip]';
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}
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else {
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// Create a new image to fit over the background rectangle
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$bg = imagecreatetruecolor($bg_width, $bg_height);
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switch (strtolower($type)) {
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case IMAGETYPE_PNG:
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$is_png = true;
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imagesavealpha($bg, true);
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imagealphablending($bg, false);
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$src = imagecreatefrompng($img);
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break;
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case IMAGETYPE_JPEG:
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$src = imagecreatefromjpeg($img);
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break;
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case IMAGETYPE_GIF:
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$src = imagecreatefromgif($img);
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break;
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case IMAGETYPE_BMP:
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$src = imagecreatefrombmp($img);
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break;
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default: return; // Unsupported image type
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}
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if ($src == null) {
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return;
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}
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//Background color if box is not relevant here
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//Non transparent image: box clipped to real size. Background non relevant.
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//Transparent image: The image controls the transparency and lets shine through whatever background.
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//However on transparent imaage preset the composed image with the transparency color,
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//to keep the transparency when copying over the non transparent parts of the tiles.
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$ti = imagecolortransparent($src);
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if ($ti >= 0) {
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$tc = imagecolorsforindex($src,$ti);
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$ti = imagecolorallocate($bg,$tc['red'],$tc['green'],$tc['blue']);
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imagefill($bg,0,0,$ti);
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imagecolortransparent($bg, $ti);
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}
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//This has only an effect for the non repeatable dimension.
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//compute start of src and dest coordinates of the single copy
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if ( $bg_x < 0 ) {
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$dst_x = 0;
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$src_x = -$bg_x;
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} else {
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$src_x = 0;
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$dst_x = $bg_x;
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}
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if ( $bg_y < 0 ) {
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$dst_y = 0;
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$src_y = -$bg_y;
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} else {
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$src_y = 0;
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$dst_y = $bg_y;
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}
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//For historical reasons exchange meanings of variables:
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//start_* will be the start values, while bg_* will be the temporary start values in the loops
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$start_x = $bg_x;
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$start_y = $bg_y;
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// Copy regions from the source image to the background
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if ( $repeat === "no-repeat" ) {
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// Simply place the image on the background
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imagecopy($bg, $src, $dst_x, $dst_y, $src_x, $src_y, $img_w, $img_h);
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} else if ( $repeat === "repeat-x" ) {
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for ( $bg_x = $start_x; $bg_x < $bg_width; $bg_x += $img_w ) {
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if ( $bg_x < 0 ) {
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$dst_x = 0;
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$src_x = -$bg_x;
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$w = $img_w + $bg_x;
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} else {
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$dst_x = $bg_x;
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$src_x = 0;
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$w = $img_w;
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}
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imagecopy($bg, $src, $dst_x, $dst_y, $src_x, $src_y, $w, $img_h);
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}
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} else if ( $repeat === "repeat-y" ) {
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for ( $bg_y = $start_y; $bg_y < $bg_height; $bg_y += $img_h ) {
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if ( $bg_y < 0 ) {
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$dst_y = 0;
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$src_y = -$bg_y;
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$h = $img_h + $bg_y;
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} else {
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$dst_y = $bg_y;
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$src_y = 0;
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$h = $img_h;
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}
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imagecopy($bg, $src, $dst_x, $dst_y, $src_x, $src_y, $img_w, $h);
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}
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} else if ( $repeat === "repeat" ) {
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for ( $bg_y = $start_y; $bg_y < $bg_height; $bg_y += $img_h ) {
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for ( $bg_x = $start_x; $bg_x < $bg_width; $bg_x += $img_w ) {
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if ( $bg_x < 0 ) {
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$dst_x = 0;
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$src_x = -$bg_x;
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$w = $img_w + $bg_x;
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} else {
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$dst_x = $bg_x;
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$src_x = 0;
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$w = $img_w;
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}
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if ( $bg_y < 0 ) {
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$dst_y = 0;
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$src_y = -$bg_y;
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$h = $img_h + $bg_y;
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} else {
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$dst_y = $bg_y;
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$src_y = 0;
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$h = $img_h;
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}
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imagecopy($bg, $src, $dst_x, $dst_y, $src_x, $src_y, $w, $h);
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}
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}
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}
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else {
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print 'Unknown repeat!';
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}
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imagedestroy($src);
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} /* End optimize away creation of duplicates */
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$this->_canvas->clipping_rectangle($x, $y, $box_width, $box_height);
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//img: image url string
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//img_w, img_h: original image size in px
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//width, height: box size in pt
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//bg_width, bg_height: box size in px
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//x, y: left/top edge of box on page in pt
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//start_x, start_y: placement of image relativ to pattern
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//$repeat: repeat mode
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//$bg: GD object of result image
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//$src: GD object of original image
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//When using cpdf and optimization to direct png creation from gd object is available,
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//don't create temp file, but place gd object directly into the pdf
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if ( !$is_png && method_exists( $this->_canvas, "get_cpdf" ) &&
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method_exists( $this->_canvas->get_cpdf(), "addImagePng" ) ) {
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// Note: CPDF_Adapter image converts y position
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$this->_canvas->get_cpdf()->addImagePng($filedummy, $x, $this->_canvas->get_height() - $y - $height, $width, $height, $bg);
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}
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else {
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$tmp_name = tempnam(DOMPDF_TEMP_DIR, "bg_dompdf_img_");
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@unlink($tmp_name);
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$tmp_file = "$tmp_name.png";
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//debugpng
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if (DEBUGPNG) print '[_background_image '.$tmp_file.']';
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imagepng($bg, $tmp_file);
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$this->_canvas->image($tmp_file, $x, $y, $width, $height);
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imagedestroy($bg);
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//debugpng
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if (DEBUGPNG) print '[_background_image unlink '.$tmp_file.']';
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if (!DEBUGKEEPTEMP)
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unlink($tmp_file);
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}
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$this->_canvas->clipping_end();
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}
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protected function _get_dash_pattern($style, $width) {
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$pattern = array();
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switch ($style) {
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default:
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/*case "solid":
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case "double":
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case "groove":
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case "inset":
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case "outset":
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case "ridge":*/
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case "none": break;
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case "dotted":
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if ( $width <= 1 )
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$pattern = array($width, $width*2);
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else
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$pattern = array($width);
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break;
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case "dashed":
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$pattern = array(3 * $width);
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break;
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}
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return $pattern;
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}
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protected function _border_none($x, $y, $length, $color, $widths, $side, $corner_style = "bevel") {
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return;
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}
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protected function _border_hidden($x, $y, $length, $color, $widths, $side, $corner_style = "bevel") {
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return;
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}
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// Border rendering functions
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protected function _border_dotted($x, $y, $length, $color, $widths, $side, $corner_style = "bevel") {
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list($top, $right, $bottom, $left) = $widths;
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$pattern = $this->_get_dash_pattern("dotted", $$side);
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switch ($side) {
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case "top":
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$delta = $top / 2;
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case "bottom":
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$delta = isset($delta) ? $delta : -$bottom / 2;
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$this->_canvas->line($x, $y + $delta, $x + $length, $y + $delta, $color, $$side, $pattern);
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break;
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case "left":
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$delta = $left / 2;
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case "right":
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$delta = isset($delta) ? $delta : - $right / 2;
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$this->_canvas->line($x + $delta, $y, $x + $delta, $y + $length, $color, $$side, $pattern);
|
|
break;
|
|
|
|
default:
|
|
return;
|
|
|
|
}
|
|
}
|
|
|
|
|
|
protected function _border_dashed($x, $y, $length, $color, $widths, $side, $corner_style = "bevel") {
|
|
list($top, $right, $bottom, $left) = $widths;
|
|
|
|
$pattern = $this->_get_dash_pattern("dashed", $$side);
|
|
|
|
switch ($side) {
|
|
|
|
case "top":
|
|
$delta = $top / 2;
|
|
case "bottom":
|
|
$delta = isset($delta) ? $delta : -$bottom / 2;
|
|
$this->_canvas->line($x, $y + $delta, $x + $length, $y + $delta, $color, $$side, $pattern);
|
|
break;
|
|
|
|
case "left":
|
|
$delta = $left / 2;
|
|
case "right":
|
|
$delta = isset($delta) ? $delta : - $right / 2;
|
|
$this->_canvas->line($x + $delta, $y, $x + $delta, $y + $length, $color, $$side, $pattern);
|
|
break;
|
|
|
|
default:
|
|
return;
|
|
}
|
|
|
|
}
|
|
|
|
|
|
protected function _border_solid($x, $y, $length, $color, $widths, $side, $corner_style = "bevel") {
|
|
list($top, $right, $bottom, $left) = $widths;
|
|
|
|
// All this polygon business is for beveled corners...
|
|
switch ($side) {
|
|
|
|
case "top":
|
|
if ( $corner_style === "bevel" ) {
|
|
|
|
$points = array($x, $y,
|
|
$x + $length, $y,
|
|
$x + $length - $right, $y + $top,
|
|
$x + $left, $y + $top);
|
|
$this->_canvas->polygon($points, $color, null, null, true);
|
|
} else
|
|
$this->_canvas->filled_rectangle($x, $y, $length, $top, $color);
|
|
|
|
break;
|
|
|
|
case "bottom":
|
|
if ( $corner_style === "bevel" ) {
|
|
$points = array($x, $y,
|
|
$x + $length, $y,
|
|
$x + $length - $right, $y - $bottom,
|
|
$x + $left, $y - $bottom);
|
|
$this->_canvas->polygon($points, $color, null, null, true);
|
|
} else
|
|
$this->_canvas->filled_rectangle($x, $y - $bottom, $length, $bottom, $color);
|
|
|
|
break;
|
|
|
|
case "left":
|
|
if ( $corner_style === "bevel" ) {
|
|
$points = array($x, $y,
|
|
$x, $y + $length,
|
|
$x + $left, $y + $length - $bottom,
|
|
$x + $left, $y + $top);
|
|
$this->_canvas->polygon($points, $color, null, null, true);
|
|
} else
|
|
$this->_canvas->filled_rectangle($x, $y, $left, $length, $color);
|
|
|
|
break;
|
|
|
|
case "right":
|
|
if ( $corner_style === "bevel" ) {
|
|
$points = array($x, $y,
|
|
$x, $y + $length,
|
|
$x - $right, $y + $length - $bottom,
|
|
$x - $right, $y + $top);
|
|
$this->_canvas->polygon($points, $color, null, null, true);
|
|
} else
|
|
$this->_canvas->filled_rectangle($x - $right, $y, $right, $length, $color);
|
|
|
|
break;
|
|
|
|
default:
|
|
return;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
protected function _border_double($x, $y, $length, $color, $widths, $side, $corner_style = "bevel") {
|
|
list($top, $right, $bottom, $left) = $widths;
|
|
|
|
$line_width = $$side / 3;
|
|
|
|
// We draw the outermost edge first. Points are ordered: outer left,
|
|
// outer right, inner right, inner left, or outer top, outer bottom,
|
|
// inner bottom, inner top.
|
|
switch ($side) {
|
|
|
|
case "top":
|
|
if ( $corner_style === "bevel" ) {
|
|
$left_line_width = $left / 3;
|
|
$right_line_width = $right / 3;
|
|
|
|
$points = array($x, $y,
|
|
$x + $length, $y,
|
|
$x + $length - $right_line_width, $y + $line_width,
|
|
$x + $left_line_width, $y + $line_width,);
|
|
$this->_canvas->polygon($points, $color, null, null, true);
|
|
|
|
$points = array($x + $left - $left_line_width, $y + $top - $line_width,
|
|
$x + $length - $right + $right_line_width, $y + $top - $line_width,
|
|
$x + $length - $right, $y + $top,
|
|
$x + $left, $y + $top);
|
|
$this->_canvas->polygon($points, $color, null, null, true);
|
|
|
|
} else {
|
|
$this->_canvas->filled_rectangle($x, $y, $length, $line_width, $color);
|
|
$this->_canvas->filled_rectangle($x, $y + $top - $line_width, $length, $line_width, $color);
|
|
|
|
}
|
|
break;
|
|
|
|
case "bottom":
|
|
if ( $corner_style === "bevel" ) {
|
|
$left_line_width = $left / 3;
|
|
$right_line_width = $right / 3;
|
|
|
|
$points = array($x, $y,
|
|
$x + $length, $y,
|
|
$x + $length - $right_line_width, $y - $line_width,
|
|
$x + $left_line_width, $y - $line_width);
|
|
$this->_canvas->polygon($points, $color, null, null, true);
|
|
|
|
$points = array($x + $left - $left_line_width, $y - $bottom + $line_width,
|
|
$x + $length - $right + $right_line_width, $y - $bottom + $line_width,
|
|
$x + $length - $right, $y - $bottom,
|
|
$x + $left, $y - $bottom);
|
|
$this->_canvas->polygon($points, $color, null, null, true);
|
|
|
|
} else {
|
|
$this->_canvas->filled_rectangle($x, $y - $line_width, $length, $line_width, $color);
|
|
$this->_canvas->filled_rectangle($x, $y - $bottom, $length, $line_width, $color);
|
|
}
|
|
|
|
break;
|
|
|
|
case "left":
|
|
if ( $corner_style === "bevel" ) {
|
|
$top_line_width = $top / 3;
|
|
$bottom_line_width = $bottom / 3;
|
|
|
|
$points = array($x, $y,
|
|
$x, $y + $length,
|
|
$x + $line_width, $y + $length - $bottom_line_width,
|
|
$x + $line_width, $y + $top_line_width);
|
|
$this->_canvas->polygon($points, $color, null, null, true);
|
|
|
|
$points = array($x + $left - $line_width, $y + $top - $top_line_width,
|
|
$x + $left - $line_width, $y + $length - $bottom + $bottom_line_width,
|
|
$x + $left, $y + $length - $bottom,
|
|
$x + $left, $y + $top);
|
|
$this->_canvas->polygon($points, $color, null, null, true);
|
|
|
|
} else {
|
|
$this->_canvas->filled_rectangle($x, $y, $line_width, $length, $color);
|
|
$this->_canvas->filled_rectangle($x + $left - $line_width, $y, $line_width, $length, $color);
|
|
}
|
|
|
|
break;
|
|
|
|
case "right":
|
|
if ( $corner_style === "bevel" ) {
|
|
$top_line_width = $top / 3;
|
|
$bottom_line_width = $bottom / 3;
|
|
|
|
|
|
$points = array($x, $y,
|
|
$x, $y + $length,
|
|
$x - $line_width, $y + $length - $bottom_line_width,
|
|
$x - $line_width, $y + $top_line_width);
|
|
$this->_canvas->polygon($points, $color, null, null, true);
|
|
|
|
$points = array($x - $right + $line_width, $y + $top - $top_line_width,
|
|
$x - $right + $line_width, $y + $length - $bottom + $bottom_line_width,
|
|
$x - $right, $y + $length - $bottom,
|
|
$x - $right, $y + $top);
|
|
$this->_canvas->polygon($points, $color, null, null, true);
|
|
|
|
} else {
|
|
$this->_canvas->filled_rectangle($x - $line_width, $y, $line_width, $length, $color);
|
|
$this->_canvas->filled_rectangle($x - $right, $y, $line_width, $length, $color);
|
|
}
|
|
|
|
break;
|
|
|
|
default:
|
|
return;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
protected function _border_groove($x, $y, $length, $color, $widths, $side, $corner_style = "bevel") {
|
|
list($top, $right, $bottom, $left) = $widths;
|
|
|
|
$half_widths = array($top / 2, $right / 2, $bottom / 2, $left / 2);
|
|
|
|
$this->_border_inset($x, $y, $length, $color, $half_widths, $side);
|
|
|
|
switch ($side) {
|
|
|
|
case "top":
|
|
$x += $left / 2;
|
|
$y += $top / 2;
|
|
$length -= $left / 2 + $right / 2;
|
|
break;
|
|
|
|
case "bottom":
|
|
$x += $left / 2;
|
|
$y -= $bottom / 2;
|
|
$length -= $left / 2 + $right / 2;
|
|
break;
|
|
|
|
case "left":
|
|
$x += $left / 2;
|
|
$y += $top / 2;
|
|
$length -= $top / 2 + $bottom / 2;
|
|
break;
|
|
|
|
case "right":
|
|
$x -= $right / 2;
|
|
$y += $top / 2;
|
|
$length -= $top / 2 + $bottom / 2;
|
|
break;
|
|
|
|
default:
|
|
return;
|
|
|
|
}
|
|
|
|
$this->_border_outset($x, $y, $length, $color, $half_widths, $side);
|
|
|
|
}
|
|
|
|
protected function _border_ridge($x, $y, $length, $color, $widths, $side, $corner_style = "bevel") {
|
|
list($top, $right, $bottom, $left) = $widths;
|
|
|
|
$half_widths = array($top / 2, $right / 2, $bottom / 2, $left / 2);
|
|
|
|
$this->_border_outset($x, $y, $length, $color, $half_widths, $side);
|
|
|
|
switch ($side) {
|
|
|
|
case "top":
|
|
$x += $left / 2;
|
|
$y += $top / 2;
|
|
$length -= $left / 2 + $right / 2;
|
|
break;
|
|
|
|
case "bottom":
|
|
$x += $left / 2;
|
|
$y -= $bottom / 2;
|
|
$length -= $left / 2 + $right / 2;
|
|
break;
|
|
|
|
case "left":
|
|
$x += $left / 2;
|
|
$y += $top / 2;
|
|
$length -= $top / 2 + $bottom / 2;
|
|
break;
|
|
|
|
case "right":
|
|
$x -= $right / 2;
|
|
$y += $top / 2;
|
|
$length -= $top / 2 + $bottom / 2;
|
|
break;
|
|
|
|
default:
|
|
return;
|
|
|
|
}
|
|
|
|
$this->_border_inset($x, $y, $length, $color, $half_widths, $side);
|
|
|
|
}
|
|
|
|
protected function _tint($c) {
|
|
if ( !is_numeric($c) )
|
|
return $c;
|
|
|
|
return min(1, $c + 0.16);
|
|
}
|
|
|
|
protected function _shade($c) {
|
|
if ( !is_numeric($c) )
|
|
return $c;
|
|
|
|
return max(0, $c - 0.33);
|
|
}
|
|
|
|
protected function _border_inset($x, $y, $length, $color, $widths, $side, $corner_style = "bevel") {
|
|
list($top, $right, $bottom, $left) = $widths;
|
|
|
|
switch ($side) {
|
|
|
|
case "top":
|
|
case "left":
|
|
$shade = array_map(array($this, "_shade"), $color);
|
|
$this->_border_solid($x, $y, $length, $shade, $widths, $side);
|
|
break;
|
|
|
|
case "bottom":
|
|
case "right":
|
|
$tint = array_map(array($this, "_tint"), $color);
|
|
$this->_border_solid($x, $y, $length, $tint, $widths, $side);
|
|
break;
|
|
|
|
default:
|
|
return;
|
|
}
|
|
}
|
|
|
|
protected function _border_outset($x, $y, $length, $color, $widths, $side, $corner_style = "bevel") {
|
|
list($top, $right, $bottom, $left) = $widths;
|
|
|
|
switch ($side) {
|
|
case "top":
|
|
case "left":
|
|
$tint = array_map(array($this, "_tint"), $color);
|
|
$this->_border_solid($x, $y, $length, $tint, $widths, $side);
|
|
break;
|
|
|
|
case "bottom":
|
|
case "right":
|
|
$shade = array_map(array($this, "_shade"), $color);
|
|
$this->_border_solid($x, $y, $length, $shade, $widths, $side);
|
|
break;
|
|
|
|
default:
|
|
return;
|
|
|
|
}
|
|
}
|
|
|
|
protected function _set_opacity($opacity) {
|
|
if ( is_numeric($opacity) && $opacity <= 1.0 && $opacity >= 0.0 ) {
|
|
$this->_canvas->set_opacity( $opacity );
|
|
}
|
|
}
|
|
|
|
protected function _debug_layout($box, $color = "red", $style = array()) {
|
|
$this->_canvas->rectangle($box[0], $box[1], $box[2], $box[3], CSS_Color::parse($color), 0.1, $style);
|
|
}
|
|
//........................................................................
|
|
}
|