xref: /webtrees/app/Report/ReportPdfText.php (revision 0ea23b7829d8bd38dc862b61285e14b0e1858a16) 
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 */
16namespace Fisharebest\Webtrees\Report;
17
18use Fisharebest\Webtrees\Functions\FunctionsRtl;
19
20/**
21 * Class ReportPdfText
22 */
23class ReportPdfText extends ReportBaseText
24{
25    /**
26     * PDF Text renderer
27     *
28     * @param ReportTcpdf $renderer
29     *
30     * @return void
31     */
32    public function render($renderer)
33    {
34        // Set up the style
35        if ($renderer->getCurrentStyle() != $this->styleName) {
36            $renderer->setCurrentStyle($this->styleName);
37        }
38        $temptext = str_replace('#PAGENUM#', $renderer->PageNo(), $this->text);
39        // underline «title» part of Source item
40        $temptext = str_replace([
41            '«',
42            '»',
43        ], [
44            '<u>',
45            '</u>',
46        ], $temptext);
47
48        // Paint the text color or they might use inherited colors by the previous function
49        $match = [];
50        if (preg_match('/#?(..)(..)(..)/', $this->color, $match)) {
51            $r = hexdec($match[1]);
52            $g = hexdec($match[2]);
53            $b = hexdec($match[3]);
54            $renderer->SetTextColor($r, $g, $b);
55        } else {
56            $renderer->SetTextColor(0, 0, 0);
57        }
58        $temptext = FunctionsRtl::spanLtrRtl($temptext);
59        $temptext = str_replace(
60            [
61                '<br><span dir="rtl" >',
62                '<br><span dir="ltr" >',
63                '> ',
64                ' <',
65            ],
66            [
67                '<span dir="rtl" ><br>',
68                '<span dir="ltr" ><br>',
69                '>&nbsp;',
70                '&nbsp;<',
71            ],
72            $temptext
73        );
74        $renderer->writeHTML(
75            $temptext,
76            false,
77            false,
78            true,
79            false,
80            ''
81        ); //change height - line break etc. - the form is mirror on rtl pages
82        // Reset the text color to black or it will be inherited
83        $renderer->SetTextColor(0, 0, 0);
84    }
85
86    /**
87     * Returns the height in points of the text element
88     *
89     * The height is already calculated in getWidth()
90     *
91     * @param ReportTcpdf $pdf
92     *
93     * @return float 0
94     */
95    public function getHeight($pdf): float
96    {
97        return 0;
98    }
99
100    /**
101     * Splits the text into lines if necessary to fit into a giving cell
102     *
103     * @param ReportTcpdf $pdf
104     *
105     * @return float|array
106     */
107    public function getWidth($pdf)
108    {
109        // Setup the style name, a font must be selected to calculate the width
110        if ($pdf->getCurrentStyle() != $this->styleName) {
111            $pdf->setCurrentStyle($this->styleName);
112        }
113        // Check for the largest font size in the box
114        $fsize = $pdf->getCurrentStyleHeight();
115        if ($fsize > $pdf->largestFontHeight) {
116            $pdf->largestFontHeight = $fsize;
117        }
118
119        // Get the line width
120        $lw = $pdf->GetStringWidth($this->text);
121        // Line Feed counter - Number of lines in the text
122        $lfct = substr_count($this->text, "\n") + 1;
123        // If there is still remaining wrap width...
124        if ($this->wrapWidthRemaining > 0) {
125            // Check with line counter too!
126            // but floor the $wrapWidthRemaining first to keep it bugfree!
127            $wrapWidthRemaining = (int) ($this->wrapWidthRemaining);
128            if ($lw >= $wrapWidthRemaining || $lfct > 1) {
129                $newtext = '';
130                $lines   = explode("\n", $this->text);
131                // Go throught the text line by line
132                foreach ($lines as $line) {
133                    // Line width in points + a little margin
134                    $lw = $pdf->GetStringWidth($line);
135                    // If the line has to be wraped
136                    if ($lw >= $wrapWidthRemaining) {
137                        $words    = explode(' ', $line);
138                        $addspace = count($words);
139                        $lw       = 0;
140                        foreach ($words as $word) {
141                            $addspace--;
142                            $lw += $pdf->GetStringWidth($word . ' ');
143                            if ($lw <= $wrapWidthRemaining) {
144                                $newtext .= $word;
145                                if ($addspace != 0) {
146                                    $newtext .= ' ';
147                                }
148                            } else {
149                                $lw = $pdf->GetStringWidth($word . ' ');
150                                $newtext .= "\n$word";
151                                if ($addspace != 0) {
152                                    $newtext .= ' ';
153                                }
154                                // Reset the wrap width to the cell width
155                                $wrapWidthRemaining = $this->wrapWidthCell;
156                            }
157                        }
158                    } else {
159                        $newtext .= $line;
160                    }
161                    // Check the Line Feed counter
162                    if ($lfct > 1) {
163                        // Add a new line as long as it’s not the last line
164                        $newtext .= "\n";
165                        // Reset the line width
166                        $lw = 0;
167                        // Reset the wrap width to the cell width
168                        $wrapWidthRemaining = $this->wrapWidthCell;
169                    }
170                    $lfct--;
171                }
172                $this->text = $newtext;
173                $lfct       = substr_count($this->text, "\n");
174
175                return [
176                    $lw,
177                    1,
178                    $lfct,
179                ];
180            }
181        }
182        $l    = 0;
183        $lfct = substr_count($this->text, "\n");
184        if ($lfct > 0) {
185            $l = 2;
186        }
187
188        return [
189            $lw,
190            $l,
191            $lfct,
192        ];
193    }
194}
195