xref: /webtrees/app/Report/ReportPdfText.php (revision 5bfc689774bb9a6401271c4ed15a6d50652c991b)
1<?php
2
3/**
4 * webtrees: online genealogy
5 * Copyright (C) 2022 webtrees development team
6 * This program is free software: you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation, either version 3 of the License, or
9 * (at your option) any later version.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License
15 * along with this program. If not, see <https://www.gnu.org/licenses/>.
16 */
17
18declare(strict_types=1);
19
20namespace Fisharebest\Webtrees\Report;
21
22use function count;
23use function explode;
24use function hexdec;
25use function preg_match;
26use function str_replace;
27use function substr_count;
28
29/**
30 * Class ReportPdfText
31 */
32class ReportPdfText extends ReportBaseText
33{
34    /**
35     * PDF Text renderer
36     *
37     * @param PdfRenderer $renderer
38     *
39     * @return void
40     */
41    public function render($renderer): void
42    {
43        // Set up the style
44        if ($renderer->getCurrentStyle() !== $this->styleName) {
45            $renderer->setCurrentStyle($this->styleName);
46        }
47        $temptext = str_replace('#PAGENUM#', (string) $renderer->tcpdf->PageNo(), $this->text);
48        // underline «title» part of Source item
49        $temptext = str_replace([
50            '«',
51            '»',
52        ], [
53            '<u>',
54            '</u>',
55        ], $temptext);
56
57        // Paint the text color or they might use inherited colors by the previous function
58        $match = [];
59        if (preg_match('/#?(..)(..)(..)/', $this->color, $match)) {
60            $r = hexdec($match[1]);
61            $g = hexdec($match[2]);
62            $b = hexdec($match[3]);
63            $renderer->tcpdf->setTextColor($r, $g, $b);
64        } else {
65            $renderer->tcpdf->setTextColor(0, 0, 0);
66        }
67        $temptext = RightToLeftSupport::spanLtrRtl($temptext);
68        $temptext = str_replace(
69            [
70                '<br><span dir="rtl">',
71                '<br><span dir="ltr">',
72                '> ',
73                ' <',
74            ],
75            [
76                '<span dir="rtl" ><br>',
77                '<span dir="ltr" ><br>',
78                '>&nbsp;',
79                '&nbsp;<',
80            ],
81            $temptext
82        );
83        $renderer->tcpdf->writeHTML(
84            $temptext,
85            false,
86            false,
87            true,
88            false,
89            ''
90        ); //change height - line break etc. - the form is mirror on rtl pages
91        // Reset the text color to black or it will be inherited
92        $renderer->tcpdf->setTextColor(0, 0, 0);
93    }
94
95    /**
96     * Returns the height in points of the text element
97     * The height is already calculated in getWidth()
98     *
99     * @param PdfRenderer $renderer
100     *
101     * @return float
102     */
103    public function getHeight($renderer): float
104    {
105        return 0;
106    }
107
108    /**
109     * Splits the text into lines if necessary to fit into a giving cell
110     *
111     * @param PdfRenderer $renderer
112     *
113     * @return array{0:float,1:int,2:float}
114     */
115    public function getWidth($renderer): array
116    {
117        // Setup the style name, a font must be selected to calculate the width
118        if ($renderer->getCurrentStyle() !== $this->styleName) {
119            $renderer->setCurrentStyle($this->styleName);
120        }
121
122        // Check for the largest font size in the box
123        $fsize = $renderer->getCurrentStyleHeight();
124        if ($fsize > $renderer->largestFontHeight) {
125            $renderer->largestFontHeight = $fsize;
126        }
127
128        // Get the line width for the text in points
129        $lw = $renderer->tcpdf->GetStringWidth($this->text);
130        // Line Feed counter - Number of lines in the text
131        $lfct = substr_count($this->text, "\n") + 1;
132        // If there is still remaining wrap width...
133        $wrapWidthRemaining = $this->wrapWidthRemaining;
134        if ($wrapWidthRemaining > 0) {
135            // Check with line counter too!
136            if ($lw >= $wrapWidthRemaining || $lfct > 1) {
137                $newtext = '';
138                $lines   = explode("\n", $this->text);
139                // Go throught the text line by line
140                foreach ($lines as $line) {
141                    // Line width in points + a little margin
142                    $lw = $renderer->tcpdf->GetStringWidth($line);
143                    // If the line has to be wraped
144                    if ($lw > $wrapWidthRemaining) {
145                        $words    = explode(' ', $line);
146                        $addspace = count($words);
147                        $lw       = 0;
148                        foreach ($words as $word) {
149                            $addspace--;
150                            $lw += $renderer->tcpdf->GetStringWidth($word . ' ');
151                            if ($lw <= $wrapWidthRemaining) {
152                                $newtext .= $word;
153                                if ($addspace !== 0) {
154                                    $newtext .= ' ';
155                                }
156                            } else {
157                                $lw = $renderer->tcpdf->GetStringWidth($word . ' ');
158                                $newtext .= "\n$word";
159                                if ($addspace !== 0) {
160                                    $newtext .= ' ';
161                                }
162                                // Reset the wrap width to the cell width
163                                $wrapWidthRemaining = $this->wrapWidthCell;
164                            }
165                        }
166                    } else {
167                        $newtext .= $line;
168                    }
169                    // Check the Line Feed counter
170                    if ($lfct > 1) {
171                        // Add a new line as long as it’s not the last line
172                        $newtext .= "\n";
173                        // Reset the line width
174                        $lw = 0;
175                        // Reset the wrap width to the cell width
176                        $wrapWidthRemaining = $this->wrapWidthCell;
177                    }
178                    $lfct--;
179                }
180                $this->text = $newtext;
181                $lfct       = substr_count($this->text, "\n");
182
183                return [
184                    $lw,
185                    1,
186                    $lfct,
187                ];
188            }
189        }
190        $l    = 0;
191        $lfct = substr_count($this->text, "\n");
192        if ($lfct > 0) {
193            $l = 2;
194        }
195
196        return [
197            $lw,
198            $l,
199            $lfct,
200        ];
201    }
202}
203