xref: /webtrees/app/Report/ReportPdfText.php (revision 2ebcf907ed34213f816592af04e6c160335d6311)
1<?php
2
3/**
4 * webtrees: online genealogy
5 * Copyright (C) 2021 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 Fisharebest\Webtrees\Functions\FunctionsRtl;
23
24use function count;
25use function explode;
26use function hexdec;
27use function preg_match;
28use function str_replace;
29use function substr_count;
30
31/**
32 * Class ReportPdfText
33 */
34class ReportPdfText extends ReportBaseText
35{
36    /**
37     * PDF Text renderer
38     *
39     * @param PdfRenderer $renderer
40     *
41     * @return void
42     */
43    public function render($renderer): void
44    {
45        // Set up the style
46        if ($renderer->getCurrentStyle() !== $this->styleName) {
47            $renderer->setCurrentStyle($this->styleName);
48        }
49        $temptext = str_replace('#PAGENUM#', (string) $renderer->tcpdf->PageNo(), $this->text);
50        // underline «title» part of Source item
51        $temptext = str_replace([
52            '«',
53            '»',
54        ], [
55            '<u>',
56            '</u>',
57        ], $temptext);
58
59        // Paint the text color or they might use inherited colors by the previous function
60        $match = [];
61        if (preg_match('/#?(..)(..)(..)/', $this->color, $match)) {
62            $r = hexdec($match[1]);
63            $g = hexdec($match[2]);
64            $b = hexdec($match[3]);
65            $renderer->tcpdf->SetTextColor($r, $g, $b);
66        } else {
67            $renderer->tcpdf->SetTextColor(0, 0, 0);
68        }
69        $temptext = FunctionsRtl::spanLtrRtl($temptext);
70        $temptext = str_replace(
71            [
72                '<br><span dir="rtl">',
73                '<br><span dir="ltr">',
74                '> ',
75                ' <',
76            ],
77            [
78                '<span dir="rtl" ><br>',
79                '<span dir="ltr" ><br>',
80                '>&nbsp;',
81                '&nbsp;<',
82            ],
83            $temptext
84        );
85        $renderer->tcpdf->writeHTML(
86            $temptext,
87            false,
88            false,
89            true,
90            false,
91            ''
92        ); //change height - line break etc. - the form is mirror on rtl pages
93        // Reset the text color to black or it will be inherited
94        $renderer->tcpdf->SetTextColor(0, 0, 0);
95    }
96
97    /**
98     * Returns the height in points of the text element
99     * The height is already calculated in getWidth()
100     *
101     * @param PdfRenderer $renderer
102     *
103     * @return float
104     */
105    public function getHeight($renderer): float
106    {
107        return 0;
108    }
109
110    /**
111     * Splits the text into lines if necessary to fit into a giving cell
112     *
113     * @param PdfRenderer $renderer
114     *
115     * @return array{0:float,1:int,2:float}
116     */
117    public function getWidth($renderer): array
118    {
119        // Setup the style name, a font must be selected to calculate the width
120        if ($renderer->getCurrentStyle() !== $this->styleName) {
121            $renderer->setCurrentStyle($this->styleName);
122        }
123
124        // Check for the largest font size in the box
125        $fsize = $renderer->getCurrentStyleHeight();
126        if ($fsize > $renderer->largestFontHeight) {
127            $renderer->largestFontHeight = $fsize;
128        }
129
130        // Get the line width for the text in points
131        $lw = $renderer->tcpdf->GetStringWidth($this->text);
132        // Line Feed counter - Number of lines in the text
133        $lfct = substr_count($this->text, "\n") + 1;
134        // If there is still remaining wrap width...
135        $wrapWidthRemaining = $this->wrapWidthRemaining;
136        if ($wrapWidthRemaining > 0) {
137            // Check with line counter too!
138            if ($lw >= $wrapWidthRemaining || $lfct > 1) {
139                $newtext = '';
140                $lines   = explode("\n", $this->text);
141                // Go throught the text line by line
142                foreach ($lines as $line) {
143                    // Line width in points + a little margin
144                    $lw = $renderer->tcpdf->GetStringWidth($line);
145                    // If the line has to be wraped
146                    if ($lw > $wrapWidthRemaining) {
147                        $words    = explode(' ', $line);
148                        $addspace = count($words);
149                        $lw       = 0;
150                        foreach ($words as $word) {
151                            $addspace--;
152                            $lw += $renderer->tcpdf->GetStringWidth($word . ' ');
153                            if ($lw <= $wrapWidthRemaining) {
154                                $newtext .= $word;
155                                if ($addspace !== 0) {
156                                    $newtext .= ' ';
157                                }
158                            } else {
159                                $lw = $renderer->tcpdf->GetStringWidth($word . ' ');
160                                $newtext .= "\n$word";
161                                if ($addspace !== 0) {
162                                    $newtext .= ' ';
163                                }
164                                // Reset the wrap width to the cell width
165                                $wrapWidthRemaining = $this->wrapWidthCell;
166                            }
167                        }
168                    } else {
169                        $newtext .= $line;
170                    }
171                    // Check the Line Feed counter
172                    if ($lfct > 1) {
173                        // Add a new line as long as it’s not the last line
174                        $newtext .= "\n";
175                        // Reset the line width
176                        $lw = 0;
177                        // Reset the wrap width to the cell width
178                        $wrapWidthRemaining = $this->wrapWidthCell;
179                    }
180                    $lfct--;
181                }
182                $this->text = $newtext;
183                $lfct       = substr_count($this->text, "\n");
184
185                return [
186                    $lw,
187                    1,
188                    $lfct,
189                ];
190            }
191        }
192        $l    = 0;
193        $lfct = substr_count($this->text, "\n");
194        if ($lfct > 0) {
195            $l = 2;
196        }
197
198        return [
199            $lw,
200            $l,
201            $lfct,
202        ];
203    }
204}
205