xref: /webtrees/app/Report/ReportPdfText.php (revision e7f56f2af615447ab1a7646851f88b465ace9e04) 
1<?php
2/**
3 * webtrees: online genealogy
4 * Copyright (C) 2018 webtrees development team
5 * This program is free software: you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation, either version 3 of the License, or
8 * (at your option) any later version.
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
13 * You should have received a copy of the GNU General Public License
14 * along with this program. If not, see <http://www.gnu.org/licenses/>.
15 */
16declare(strict_types=1);
17
18namespace Fisharebest\Webtrees\Report;
19
20use Fisharebest\Webtrees\Functions\FunctionsRtl;
21
22/**
23 * Class ReportPdfText
24 */
25class ReportPdfText extends ReportBaseText
26{
27    /**
28     * PDF Text renderer
29     *
30     * @param ReportTcpdf $renderer
31     *
32     * @return void
33     */
34    public function render($renderer)
35    {
36        // Set up the style
37        if ($renderer->getCurrentStyle() != $this->styleName) {
38            $renderer->setCurrentStyle($this->styleName);
39        }
40        $temptext = str_replace('#PAGENUM#', $renderer->PageNo(), $this->text);
41        // underline «title» part of Source item
42        $temptext = str_replace([
43            '«',
44            '»',
45        ], [
46            '<u>',
47            '</u>',
48        ], $temptext);
49
50        // Paint the text color or they might use inherited colors by the previous function
51        $match = [];
52        if (preg_match('/#?(..)(..)(..)/', $this->color, $match)) {
53            $r = hexdec($match[1]);
54            $g = hexdec($match[2]);
55            $b = hexdec($match[3]);
56            $renderer->SetTextColor($r, $g, $b);
57        } else {
58            $renderer->SetTextColor(0, 0, 0);
59        }
60        $temptext = FunctionsRtl::spanLtrRtl($temptext);
61        $temptext = str_replace(
62            [
63                '<br><span dir="rtl" >',
64                '<br><span dir="ltr" >',
65                '> ',
66                ' <',
67            ],
68            [
69                '<span dir="rtl" ><br>',
70                '<span dir="ltr" ><br>',
71                '>&nbsp;',
72                '&nbsp;<',
73            ],
74            $temptext
75        );
76        $renderer->writeHTML(
77            $temptext,
78            false,
79            false,
80            true,
81            false,
82            ''
83        ); //change height - line break etc. - the form is mirror on rtl pages
84        // Reset the text color to black or it will be inherited
85        $renderer->SetTextColor(0, 0, 0);
86    }
87
88    /**
89     * Returns the height in points of the text element
90     *
91     * The height is already calculated in getWidth()
92     *
93     * @param ReportTcpdf $pdf
94     *
95     * @return float 0
96     */
97    public function getHeight($pdf): float
98    {
99        return 0;
100    }
101
102    /**
103     * Splits the text into lines if necessary to fit into a giving cell
104     *
105     * @param ReportTcpdf $pdf
106     *
107     * @return float|array
108     */
109    public function getWidth($pdf)
110    {
111        // Setup the style name, a font must be selected to calculate the width
112        if ($pdf->getCurrentStyle() != $this->styleName) {
113            $pdf->setCurrentStyle($this->styleName);
114        }
115        // Check for the largest font size in the box
116        $fsize = $pdf->getCurrentStyleHeight();
117        if ($fsize > $pdf->largestFontHeight) {
118            $pdf->largestFontHeight = $fsize;
119        }
120
121        // Get the line width
122        $lw = $pdf->GetStringWidth($this->text);
123        // Line Feed counter - Number of lines in the text
124        $lfct = substr_count($this->text, "\n") + 1;
125        // If there is still remaining wrap width...
126        if ($this->wrapWidthRemaining > 0) {
127            // Check with line counter too!
128            // but floor the $wrapWidthRemaining first to keep it bugfree!
129            $wrapWidthRemaining = (int) ($this->wrapWidthRemaining);
130            if ($lw >= $wrapWidthRemaining || $lfct > 1) {
131                $newtext = '';
132                $lines   = explode("\n", $this->text);
133                // Go throught the text line by line
134                foreach ($lines as $line) {
135                    // Line width in points + a little margin
136                    $lw = $pdf->GetStringWidth($line);
137                    // If the line has to be wraped
138                    if ($lw >= $wrapWidthRemaining) {
139                        $words    = explode(' ', $line);
140                        $addspace = count($words);
141                        $lw       = 0;
142                        foreach ($words as $word) {
143                            $addspace--;
144                            $lw += $pdf->GetStringWidth($word . ' ');
145                            if ($lw <= $wrapWidthRemaining) {
146                                $newtext .= $word;
147                                if ($addspace != 0) {
148                                    $newtext .= ' ';
149                                }
150                            } else {
151                                $lw = $pdf->GetStringWidth($word . ' ');
152                                $newtext .= "\n$word";
153                                if ($addspace != 0) {
154                                    $newtext .= ' ';
155                                }
156                                // Reset the wrap width to the cell width
157                                $wrapWidthRemaining = $this->wrapWidthCell;
158                            }
159                        }
160                    } else {
161                        $newtext .= $line;
162                    }
163                    // Check the Line Feed counter
164                    if ($lfct > 1) {
165                        // Add a new line as long as it’s not the last line
166                        $newtext .= "\n";
167                        // Reset the line width
168                        $lw = 0;
169                        // Reset the wrap width to the cell width
170                        $wrapWidthRemaining = $this->wrapWidthCell;
171                    }
172                    $lfct--;
173                }
174                $this->text = $newtext;
175                $lfct       = substr_count($this->text, "\n");
176
177                return [
178                    $lw,
179                    1,
180                    $lfct,
181                ];
182            }
183        }
184        $l    = 0;
185        $lfct = substr_count($this->text, "\n");
186        if ($lfct > 0) {
187            $l = 2;
188        }
189
190        return [
191            $lw,
192            $l,
193            $lfct,
194        ];
195    }
196}
197