[16981] | 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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[22716] | 49 | $angle = 360 - $angle; |
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[16981] | 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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