1 | <?php |
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2 | if (!defined('PHPWG_ROOT_PATH')) die('Hacking attempt!'); |
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3 | |
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4 | include_once(PHPWG_ROOT_PATH.'admin/include/functions.php'); |
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5 | include_once(PHPWG_ROOT_PATH.'admin/include/image.class.php'); |
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6 | |
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7 | /** |
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8 | * apply rotation and update the image.rotation column |
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9 | */ |
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10 | function rotate_image($image_id, $rotate_hd, $angle) |
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11 | { |
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12 | /* echo '$image_id = '.var_export($image_id, true).'<br>'; */ |
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13 | /* echo '$rotate_hd = '.var_export($rotate_hd, true).'<br>'; */ |
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14 | /* echo '$angle = '.var_export($angle, true).'<br>'; */ |
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15 | global $conf; |
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16 | |
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17 | $query=' |
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18 | SELECT |
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19 | id, |
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20 | path, |
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21 | representative_ext, |
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22 | rotation |
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23 | FROM '.IMAGES_TABLE.' |
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24 | WHERE id = '.$image_id.' |
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25 | ;'; |
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26 | $row = pwg_db_fetch_assoc(pwg_query($query)); |
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27 | if ($row == null) |
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28 | { |
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29 | return false; |
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30 | } |
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31 | |
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32 | $base_angle = pwg_image::get_rotation_angle_from_code($row['rotation']); |
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33 | |
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34 | if ($rotate_hd) { |
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35 | if ('auto' == $angle) { |
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36 | $angle = pwg_image::get_rotation_angle($row['path']); |
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37 | $rotation_code = 0; |
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38 | } |
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39 | else { |
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40 | // the angle is based on what the user sees (the thumbnail) and not on |
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41 | // the original, which may have a different angle |
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42 | $angle = ($base_angle + $angle) % 360; |
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43 | |
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44 | // the derivatives must not be rotated |
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45 | $rotation_code = 4; |
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46 | } |
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47 | |
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48 | if (isset($conf['rotate_image_jpegtran']) and $conf['rotate_image_jpegtran']) { |
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49 | $angle = 360 - $angle; |
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50 | $command = 'jpegtran -copy all -rotate '.$angle.' -outfile '.$row['path'].' '.$row['path']; |
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51 | exec($command); |
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52 | } |
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53 | else { |
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54 | $image = new pwg_image($row['path']); |
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55 | $image->set_compression_quality(98); |
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56 | $image->rotate($angle); |
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57 | $image->write($row['path']); |
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58 | } |
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59 | |
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60 | $conf['use_exif'] = false; |
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61 | $conf['use_iptc'] = false; |
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62 | sync_metadata(array($row['id'])); |
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63 | |
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64 | single_update( |
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65 | IMAGES_TABLE, |
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66 | array('rotation' => $rotation_code), |
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67 | array('id' => $row['id']) |
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68 | ); |
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69 | } |
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70 | elseif ('auto' != $angle) { |
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71 | $angle = ($base_angle + $angle) % 360; |
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72 | $rotation_code = pwg_image::get_rotation_code_from_angle($angle); |
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73 | |
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74 | // to show that it's a manual rotation, we use 4,5,6,7 instead of 0,1,2,3 |
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75 | $rotation_code+= 4; |
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76 | |
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77 | single_update( |
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78 | IMAGES_TABLE, |
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79 | array('rotation' => $rotation_code), |
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80 | array('id' => $row['id']) |
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81 | ); |
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82 | } |
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83 | |
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84 | delete_element_derivatives($row); |
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85 | } |
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86 | ?> |
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