[15854] | 1 | <?php |
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| 2 | if (!defined('HEADER_MANAGER_PATH')) die('Hacking attempt!'); |
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| 3 | |
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| 4 | /** |
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| 5 | * give a list of available banners |
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| 6 | * @param: bool delete_orphans (from unachieved cropping process) |
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| 7 | */ |
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| 8 | function list_banners($delete_orphans=false) |
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[16687] | 9 | { |
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[26298] | 10 | if (!file_exists(HEADER_MANAGER_DIR)) |
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| 11 | { |
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| 12 | return array(); |
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| 13 | } |
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| 14 | |
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[15854] | 15 | $dir = scandir(HEADER_MANAGER_DIR); |
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| 16 | $banners = array(); |
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| 17 | |
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| 18 | foreach ($dir as $file) |
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| 19 | { |
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[26298] | 20 | if (in_array($file, array('.','..','index.php','.svn'))) continue; |
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| 21 | if (!in_array(strtolower(get_extension($file)), array('jpg','jpeg','png','gif'))) continue; |
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| 22 | if (strpos($file, '-thumbnail')!==false) continue; |
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[20169] | 23 | |
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| 24 | $banner = get_banner($file); |
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[15854] | 25 | |
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[26298] | 26 | if ($delete_orphans and !file_exists($banner['THUMB'])) |
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[15854] | 27 | { |
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[20169] | 28 | @unlink($banner['PATH']); |
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[15854] | 29 | } |
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[20169] | 30 | else |
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| 31 | { |
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| 32 | $banners[ get_filename_wo_extension($banner['NAME']) ] = $banner; |
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| 33 | } |
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[15854] | 34 | } |
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| 35 | |
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| 36 | return $banners; |
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| 37 | } |
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| 38 | |
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| 39 | /** |
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| 40 | * get full size and thumbnail urls and size for a banner |
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| 41 | * @param: string filename |
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| 42 | */ |
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| 43 | function get_banner($file) |
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| 44 | { |
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| 45 | if (file_exists(HEADER_MANAGER_DIR . $file)) |
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| 46 | { |
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| 47 | return array( |
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| 48 | 'NAME' => $file, |
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[26298] | 49 | 'PATH' => get_root_url() . HEADER_MANAGER_DIR . $file, |
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| 50 | 'THUMB' => get_root_url() . HEADER_MANAGER_DIR . get_filename_wo_extension($file) . '-thumbnail.' . get_extension($file), |
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[15854] | 51 | 'SIZE' => getimagesize(HEADER_MANAGER_DIR . $file), |
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| 52 | ); |
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| 53 | } |
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| 54 | else |
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| 55 | { |
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| 56 | return false; |
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| 57 | } |
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| 58 | } |
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| 59 | |
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| 60 | /** |
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| 61 | * get properties of the jCrop window |
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| 62 | * @param: array picture(width, height[, coi]) |
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| 63 | * @return: array crop(display_width, display_height, l, r, t, b, coi(x, y)) |
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| 64 | */ |
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[22857] | 65 | function hm_get_crop_display($picture) |
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[15854] | 66 | { |
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| 67 | global $conf; |
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| 68 | |
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| 69 | // find coi |
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| 70 | if (!empty($picture['coi'])) |
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| 71 | { |
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| 72 | $picture['coi'] = array( |
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| 73 | 'l' => char_to_fraction($picture['coi'][0])*$picture['width'], |
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| 74 | 't' => char_to_fraction($picture['coi'][1])*$picture['height'], |
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| 75 | 'r' => char_to_fraction($picture['coi'][2])*$picture['width'], |
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| 76 | 'b' => char_to_fraction($picture['coi'][3])*$picture['height'], |
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| 77 | ); |
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| 78 | } |
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| 79 | else |
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| 80 | { |
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| 81 | $picture['coi'] = array( |
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| 82 | 'l' => 0, |
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| 83 | 't' => 0, |
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| 84 | 'r' => $picture['width'], |
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| 85 | 'b' => $picture['height'], |
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| 86 | ); |
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| 87 | } |
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| 88 | $crop['coi']['x'] = ($picture['coi']['r']+$picture['coi']['l'])/2; |
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| 89 | $crop['coi']['y'] = ($picture['coi']['b']+$picture['coi']['t'])/2; |
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| 90 | |
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[26298] | 91 | $crop['desired_width'] = $conf['header_manager']['width']; |
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| 92 | $crop['desired_height'] = $conf['header_manager']['height']; |
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| 93 | |
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| 94 | if ($picture['width'] > $crop['desired_width']) |
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[15854] | 95 | { |
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[26298] | 96 | $crop['box_width'] = $crop['desired_width']; |
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| 97 | $crop['box_height'] = round($picture['height']*$crop['box_width']/$picture['width']); |
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[15854] | 98 | } |
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| 99 | else |
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| 100 | { |
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[26298] | 101 | $crop['box_width'] = $picture['width']; |
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| 102 | $crop['box_height'] = $picture['height']; |
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[15854] | 103 | } |
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| 104 | |
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[26298] | 105 | $crop['real_width'] = $picture['width']; |
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| 106 | $crop['real_height'] = round($crop['desired_height']*$crop['real_width']/$crop['desired_width']); |
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| 107 | |
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| 108 | $crop['l'] = 0; |
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| 109 | $crop['r'] = $crop['real_width']; |
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| 110 | $crop['t'] = max(0, $crop['coi']['y']-$crop['real_height']/2); |
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| 111 | $crop['b'] = min($picture['height'], $crop['t']+$crop['real_height']); |
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| 112 | |
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[15854] | 113 | return $crop; |
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| 114 | } |
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