[22853] | 1 | <?php |
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| 2 | /* |
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| 3 | Plugin Name: Crop Image |
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[22939] | 4 | Version: 2.5.d |
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[22853] | 5 | Description: Enables to Crop Images already uploaded to the gallery, basic functionality. Tested with v2.5.1, v2.4.6 |
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| 6 | Plugin URI: http://piwigo.org/ext/extension_view.php?eid=700 |
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| 7 | Author: Chillexistence |
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| 8 | Author URI: http://piwigo.org |
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| 9 | |
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| 10 | Parts of this functions.inc.php were taken from Header Manager Extension and adapted. |
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| 11 | */ |
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| 12 | if (!defined('CROPIMAGE_PATH')) die('Hacking attempt!'); |
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| 13 | |
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| 14 | include_once(PHPWG_ROOT_PATH.'admin/include/functions.php'); |
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| 15 | include_once(PHPWG_ROOT_PATH.'admin/include/image.class.php'); |
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| 16 | |
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| 17 | /** |
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| 18 | * get full size and thumbnail urls and size for a banner |
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| 19 | * @param: string filename |
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| 20 | */ |
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| 21 | function get_file_to_crop($file) |
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| 22 | { |
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| 23 | if (file_exists(get_root_url().$file)) |
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| 24 | { |
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| 25 | return array( |
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| 26 | 'NAME' => $file, |
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| 27 | 'PATH' => get_root_url(). $file, |
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| 28 | 'SIZE' => getimagesize($file), |
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| 29 | ); |
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| 30 | } |
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| 31 | else |
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| 32 | { |
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| 33 | return false; |
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| 34 | } |
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| 35 | } |
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| 36 | |
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| 37 | /** |
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| 38 | * get properties of the jCrop window |
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| 39 | * @param: array picture(width, height[, coi]) |
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| 40 | * @return: array crop(display_width, display_height, l, r, t, b, coi(x, y)) |
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| 41 | */ |
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| 42 | function get_crop_display($picture) |
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| 43 | { |
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| 44 | global $conf; |
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| 45 | |
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| 46 | // find coi |
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| 47 | if (!empty($picture['coi'])) |
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| 48 | { |
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| 49 | $picture['coi'] = array( |
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| 50 | 'l' => char_to_fraction($picture['coi'][0])*$picture['width'], |
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| 51 | 't' => char_to_fraction($picture['coi'][1])*$picture['height'], |
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| 52 | 'r' => char_to_fraction($picture['coi'][2])*$picture['width'], |
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| 53 | 'b' => char_to_fraction($picture['coi'][3])*$picture['height'], |
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| 54 | ); |
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| 55 | } |
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| 56 | else |
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| 57 | { |
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| 58 | $picture['coi'] = array( |
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| 59 | 'l' => 0, |
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| 60 | 't' => 0, |
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| 61 | 'r' => $picture['width'], |
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| 62 | 'b' => $picture['height'], |
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| 63 | ); |
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| 64 | } |
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| 65 | $crop['coi']['x'] = ($picture['coi']['r']+$picture['coi']['l'])/2; |
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| 66 | $crop['coi']['y'] = ($picture['coi']['b']+$picture['coi']['t'])/2; |
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| 67 | |
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| 68 | $conf['original_resize_maxwidth'] = (isset($conf['original_resize_maxwidth']) and $conf['original_resize_maxwidth'] > 500) ? $conf['original_resize_maxwidth'] : 1000; |
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| 69 | $conf['original_resize_maxheight'] = (isset($conf['original_resize_maxheight']) and $conf['original_resize_maxheight'] > 500) ? $conf['original_resize_maxheight'] : 2000; |
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| 70 | |
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| 71 | $crop['display_width'] = $picture['width']; |
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| 72 | $crop['display_height'] = $picture['height']; |
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| 73 | |
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| 74 | $adapted_crop_height = round($conf['original_resize_maxheight']*$picture['width']/$conf['original_resize_maxwidth']); |
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| 75 | |
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| 76 | $crop['l'] = 0; |
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| 77 | $crop['r'] = $picture['width']; |
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| 78 | $crop['t'] = max(0, $crop['coi']['y']-$adapted_crop_height/2); |
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| 79 | $crop['b'] = min($crop['display_height'], $crop['t']+$adapted_crop_height); |
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| 80 | |
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| 81 | return $crop; |
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| 82 | } |
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| 83 | |
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| 84 | ?> |
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