1 | <?php |
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2 | /* |
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3 | * PHP QR Code encoder |
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4 | * |
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5 | * Image output of code using GD2 |
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6 | * |
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7 | * PHP QR Code is distributed under LGPL 3 |
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8 | * Copyright (C) 2010 Dominik Dzienia <deltalab at poczta dot fm> |
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9 | * |
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10 | * This library is free software; you can redistribute it and/or |
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11 | * modify it under the terms of the GNU Lesser General Public |
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12 | * License as published by the Free Software Foundation; either |
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13 | * version 3 of the License, or any later version. |
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14 | * |
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15 | * This library is distributed in the hope that it will be useful, |
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16 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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17 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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18 | * Lesser General Public License for more details. |
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19 | * |
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20 | * You should have received a copy of the GNU Lesser General Public |
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21 | * License along with this library; if not, write to the Free Software |
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22 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
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23 | */ |
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24 | |||||||
25 | define('QR_IMAGE', true); |
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26 | |||||||
27 | class QRimage { |
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28 | |||||||
29 | //---------------------------------------------------------------------- |
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30 | public static function png($frame, $filename = false, $pixelPerPoint = 4, $outerFrame = 4, $saveandprint = false) |
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31 | { |
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32 | $image = self::image($frame, $pixelPerPoint, $outerFrame); |
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33 | |||||||
34 | if ($filename === false) { |
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35 | Header("Content-type: image/png"); |
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36 | ImagePng($image); |
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0 ignored issues
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Bug
introduced
by
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37 | } else { |
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38 | if ($saveandprint === true) { |
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39 | ImagePng($image, $filename); |
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40 | header("Content-type: image/png"); |
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41 | ImagePng($image); |
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42 | } else { |
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43 | ImagePng($image, $filename); |
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44 | } |
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45 | } |
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46 | |||||||
47 | ImageDestroy($image); |
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0 ignored issues
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show
It seems like
$image can also be of type false ; however, parameter $image of imagedestroy() does only seem to accept resource , maybe add an additional type check?
(
Ignorable by Annotation
)
If this is a false-positive, you can also ignore this issue in your code via the
![]() |
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48 | } |
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49 | |||||||
50 | //---------------------------------------------------------------------- |
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51 | public static function jpg($frame, $filename = false, $pixelPerPoint = 8, $outerFrame = 4, $q = 85) |
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52 | { |
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53 | $image = self::image($frame, $pixelPerPoint, $outerFrame); |
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54 | |||||||
55 | if ($filename === false) { |
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56 | Header("Content-type: image/jpeg"); |
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57 | ImageJpeg($image, null, $q); |
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0 ignored issues
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show
It seems like
$image can also be of type false ; however, parameter $image of imagejpeg() does only seem to accept resource , maybe add an additional type check?
(
Ignorable by Annotation
)
If this is a false-positive, you can also ignore this issue in your code via the
![]() |
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58 | } else { |
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59 | ImageJpeg($image, $filename, $q); |
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60 | } |
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61 | |||||||
62 | ImageDestroy($image); |
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0 ignored issues
–
show
It seems like
$image can also be of type false ; however, parameter $image of imagedestroy() does only seem to accept resource , maybe add an additional type check?
(
Ignorable by Annotation
)
If this is a false-positive, you can also ignore this issue in your code via the
![]() |
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63 | } |
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64 | |||||||
65 | //---------------------------------------------------------------------- |
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66 | private static function image($frame, $pixelPerPoint = 4, $outerFrame = 4) |
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67 | { |
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68 | $h = count($frame); |
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69 | $w = strlen($frame[0]); |
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70 | |||||||
71 | $imgW = $w + 2 * $outerFrame; |
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72 | $imgH = $h + 2 * $outerFrame; |
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73 | |||||||
74 | $base_image = ImageCreate($imgW, $imgH); |
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75 | |||||||
76 | $col[0] = ImageColorAllocate($base_image, 255, 255, 255); |
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0 ignored issues
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show
Comprehensibility
Best Practice
introduced
by
It seems like
$base_image can also be of type false ; however, parameter $image of imagecolorallocate() does only seem to accept resource , maybe add an additional type check?
(
Ignorable by Annotation
)
If this is a false-positive, you can also ignore this issue in your code via the
![]() |
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77 | $col[1] = ImageColorAllocate($base_image, 0, 0, 0); |
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78 | |||||||
79 | imagefill($base_image, 0, 0, $col[0]); |
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0 ignored issues
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show
It seems like
$base_image can also be of type false ; however, parameter $image of imagefill() does only seem to accept resource , maybe add an additional type check?
(
Ignorable by Annotation
)
If this is a false-positive, you can also ignore this issue in your code via the
![]() |
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80 | |||||||
81 | for ($y = 0; $y < $h; $y++) { |
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82 | for ($x = 0; $x < $w; $x++) { |
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83 | if ($frame[$y][$x] == '1') { |
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84 | ImageSetPixel($base_image, $x + $outerFrame, $y + $outerFrame, $col[1]); |
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0 ignored issues
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show
It seems like
$base_image can also be of type false ; however, parameter $image of imagesetpixel() does only seem to accept resource , maybe add an additional type check?
(
Ignorable by Annotation
)
If this is a false-positive, you can also ignore this issue in your code via the
![]() |
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85 | } |
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86 | } |
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87 | } |
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88 | |||||||
89 | $target_image = ImageCreate($imgW * $pixelPerPoint, $imgH * $pixelPerPoint); |
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90 | ImageCopyResized($target_image, $base_image, 0, 0, 0, 0, $imgW * $pixelPerPoint, $imgH * $pixelPerPoint, $imgW, $imgH); |
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0 ignored issues
–
show
It seems like
$target_image can also be of type false ; however, parameter $dst_image of imagecopyresized() does only seem to accept resource , maybe add an additional type check?
(
Ignorable by Annotation
)
If this is a false-positive, you can also ignore this issue in your code via the
![]() It seems like
$base_image can also be of type false ; however, parameter $src_image of imagecopyresized() does only seem to accept resource , maybe add an additional type check?
(
Ignorable by Annotation
)
If this is a false-positive, you can also ignore this issue in your code via the
![]() |
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91 | ImageDestroy($base_image); |
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0 ignored issues
–
show
It seems like
$base_image can also be of type false ; however, parameter $image of imagedestroy() does only seem to accept resource , maybe add an additional type check?
(
Ignorable by Annotation
)
If this is a false-positive, you can also ignore this issue in your code via the
![]() |
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92 | |||||||
93 | return $target_image; |
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94 | } |
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95 | } |