add new drupal version

1 files changed, 314 insertions, 0 deletions

diff --git a/kolab.org/www/drupal-7.26/modules/image/image.effects.inc b/kolab.org/www/drupal-7.26/modules/image/image.effects.inc
new file mode 100644
index 0000000..35a6a74
--- /dev/null
+++ b/kolab.org/www/drupal-7.26/modules/image/image.effects.inc
@@ -0,0 +1,314 @@
+<?php
+
+/**
+ * @file
+ * Functions needed to execute image effects provided by Image module.
+ */
+
+/**
+ * Implements hook_image_effect_info().
+ */
+function image_image_effect_info() {
+  $effects = array(
+    'image_resize' => array(
+      'label' => t('Resize'),
+      'help' => t('Resizing will make images an exact set of dimensions. This may cause images to be stretched or shrunk disproportionately.'),
+      'effect callback' => 'image_resize_effect',
+      'dimensions callback' => 'image_resize_dimensions',
+      'form callback' => 'image_resize_form',
+      'summary theme' => 'image_resize_summary',
+    ),
+    'image_scale' => array(
+      'label' => t('Scale'),
+      'help' => t('Scaling will maintain the aspect-ratio of the original image. If only a single dimension is specified, the other dimension will be calculated.'),
+      'effect callback' => 'image_scale_effect',
+      'dimensions callback' => 'image_scale_dimensions',
+      'form callback' => 'image_scale_form',
+      'summary theme' => 'image_scale_summary',
+    ),
+    'image_scale_and_crop' => array(
+      'label' => t('Scale and crop'),
+      'help' => t('Scale and crop will maintain the aspect-ratio of the original image, then crop the larger dimension. This is most useful for creating perfectly square thumbnails without stretching the image.'),
+      'effect callback' => 'image_scale_and_crop_effect',
+      'dimensions callback' => 'image_resize_dimensions',
+      'form callback' => 'image_resize_form',
+      'summary theme' => 'image_resize_summary',
+    ),
+    'image_crop' => array(
+      'label' => t('Crop'),
+      'help' => t('Cropping will remove portions of an image to make it the specified dimensions.'),
+      'effect callback' => 'image_crop_effect',
+      'dimensions callback' => 'image_resize_dimensions',
+      'form callback' => 'image_crop_form',
+      'summary theme' => 'image_crop_summary',
+    ),
+    'image_desaturate' => array(
+      'label' => t('Desaturate'),
+      'help' => t('Desaturate converts an image to grayscale.'),
+      'effect callback' => 'image_desaturate_effect',
+      'dimensions passthrough' => TRUE,
+    ),
+    'image_rotate' => array(
+      'label' => t('Rotate'),
+      'help' => t('Rotating an image may cause the dimensions of an image to increase to fit the diagonal.'),
+      'effect callback' => 'image_rotate_effect',
+      'dimensions callback' => 'image_rotate_dimensions',
+      'form callback' => 'image_rotate_form',
+      'summary theme' => 'image_rotate_summary',
+    ),
+  );
+
+  return $effects;
+}
+
+/**
+ * Image effect callback; Resize an image resource.
+ *
+ * @param $image
+ *   An image object returned by image_load().
+ * @param $data
+ *   An array of attributes to use when performing the resize effect with the
+ *   following items:
+ *   - "width": An integer representing the desired width in pixels.
+ *   - "height": An integer representing the desired height in pixels.
+ *
+ * @return
+ *   TRUE on success. FALSE on failure to resize image.
+ *
+ * @see image_resize()
+ */
+function image_resize_effect(&$image, $data) {
+  if (!image_resize($image, $data['width'], $data['height'])) {
+    watchdog('image', 'Image resize failed using the %toolkit toolkit on %path (%mimetype, %dimensions)', array('%toolkit' => $image->toolkit, '%path' => $image->source, '%mimetype' => $image->info['mime_type'], '%dimensions' => $image->info['width'] . 'x' . $image->info['height']), WATCHDOG_ERROR);
+    return FALSE;
+  }
+  return TRUE;
+}
+
+/**
+ * Image dimensions callback; Resize.
+ *
+ * @param $dimensions
+ *   Dimensions to be modified - an array with components width and height, in
+ *   pixels.
+ * @param $data
+ *   An array of attributes to use when performing the resize effect with the
+ *   following items:
+ *   - "width": An integer representing the desired width in pixels.
+ *   - "height": An integer representing the desired height in pixels.
+ */
+function image_resize_dimensions(array &$dimensions, array $data) {
+  // The new image will have the exact dimensions defined for the effect.
+  $dimensions['width'] = $data['width'];
+  $dimensions['height'] = $data['height'];
+}
+
+/**
+ * Image effect callback; Scale an image resource.
+ *
+ * @param $image
+ *   An image object returned by image_load().
+ * @param $data
+ *   An array of attributes to use when performing the scale effect with the
+ *   following items:
+ *   - "width": An integer representing the desired width in pixels.
+ *   - "height": An integer representing the desired height in pixels.
+ *   - "upscale": A boolean indicating that the image should be upscaled if the
+ *     dimensions are larger than the original image.
+ *
+ * @return
+ *   TRUE on success. FALSE on failure to scale image.
+ *
+ * @see image_scale()
+ */
+function image_scale_effect(&$image, $data) {
+  // Set sane default values.
+  $data += array(
+    'width' => NULL,
+    'height' => NULL,
+    'upscale' => FALSE,
+  );
+
+  if (!image_scale($image, $data['width'], $data['height'], $data['upscale'])) {
+    watchdog('image', 'Image scale failed using the %toolkit toolkit on %path (%mimetype, %dimensions)', array('%toolkit' => $image->toolkit, '%path' => $image->source, '%mimetype' => $image->info['mime_type'], '%dimensions' => $image->info['width'] . 'x' . $image->info['height']), WATCHDOG_ERROR);
+    return FALSE;
+  }
+  return TRUE;
+}
+
+/**
+ * Image dimensions callback; Scale.
+ *
+ * @param $dimensions
+ *   Dimensions to be modified - an array with components width and height, in
+ *   pixels.
+ * @param $data
+ *   An array of attributes to use when performing the scale effect with the
+ *   following items:
+ *   - "width": An integer representing the desired width in pixels.
+ *   - "height": An integer representing the desired height in pixels.
+ *   - "upscale": A boolean indicating that the image should be upscaled if the
+ *     dimensions are larger than the original image.
+ */
+function image_scale_dimensions(array &$dimensions, array $data) {
+  if ($dimensions['width'] && $dimensions['height']) {
+    image_dimensions_scale($dimensions, $data['width'], $data['height'], $data['upscale']);
+  }
+}
+
+/**
+ * Image effect callback; Crop an image resource.
+ *
+ * @param $image
+ *   An image object returned by image_load().
+ * @param $data
+ *   An array of attributes to use when performing the crop effect with the
+ *   following items:
+ *   - "width": An integer representing the desired width in pixels.
+ *   - "height": An integer representing the desired height in pixels.
+ *   - "anchor": A string describing where the crop should originate in the form
+ *     of "XOFFSET-YOFFSET". XOFFSET is either a number of pixels or
+ *     "left", "center", "right" and YOFFSET is either a number of pixels or
+ *     "top", "center", "bottom".
+ * @return
+ *   TRUE on success. FALSE on failure to crop image.
+ * @see image_crop()
+ */
+function image_crop_effect(&$image, $data) {
+  // Set sane default values.
+  $data += array(
+    'anchor' => 'center-center',
+  );
+
+  list($x, $y) = explode('-', $data['anchor']);
+  $x = image_filter_keyword($x, $image->info['width'], $data['width']);
+  $y = image_filter_keyword($y, $image->info['height'], $data['height']);
+  if (!image_crop($image, $x, $y, $data['width'], $data['height'])) {
+    watchdog('image', 'Image crop failed using the %toolkit toolkit on %path (%mimetype, %dimensions)', array('%toolkit' => $image->toolkit, '%path' => $image->source, '%mimetype' => $image->info['mime_type'], '%dimensions' => $image->info['width'] . 'x' . $image->info['height']), WATCHDOG_ERROR);
+    return FALSE;
+  }
+  return TRUE;
+}
+
+/**
+ * Image effect callback; Scale and crop an image resource.
+ *
+ * @param $image
+ *   An image object returned by image_load().
+ * @param $data
+ *   An array of attributes to use when performing the scale and crop effect
+ *   with the following items:
+ *   - "width": An integer representing the desired width in pixels.
+ *   - "height": An integer representing the desired height in pixels.
+ * @return
+ *   TRUE on success. FALSE on failure to scale and crop image.
+ * @see image_scale_and_crop()
+ */
+function image_scale_and_crop_effect(&$image, $data) {
+  if (!image_scale_and_crop($image, $data['width'], $data['height'])) {
+    watchdog('image', 'Image scale and crop failed using the %toolkit toolkit on %path (%mimetype, %dimensions)', array('%toolkit' => $image->toolkit, '%path' => $image->source, '%mimetype' => $image->info['mime_type'], '%dimensions' => $image->info['width'] . 'x' . $image->info['height']), WATCHDOG_ERROR);
+    return FALSE;
+  }
+  return TRUE;
+}
+
+/**
+ * Image effect callback; Desaturate (grayscale) an image resource.
+ *
+ * @param $image
+ *   An image object returned by image_load().
+ * @param $data
+ *   An array of attributes to use when performing the desaturate effect.
+ * @return
+ *   TRUE on success. FALSE on failure to desaturate image.
+ * @see image_desaturate()
+ */
+function image_desaturate_effect(&$image, $data) {
+  if (!image_desaturate($image)) {
+    watchdog('image', 'Image desaturate failed using the %toolkit toolkit on %path (%mimetype, %dimensions)', array('%toolkit' => $image->toolkit, '%path' => $image->source, '%mimetype' => $image->info['mime_type'], '%dimensions' => $image->info['width'] . 'x' . $image->info['height']), WATCHDOG_ERROR);
+    return FALSE;
+  }
+  return TRUE;
+}
+
+/**
+ * Image effect callback; Rotate an image resource.
+ *
+ * @param $image
+ *   An image object returned by image_load().
+ * @param $data
+ *   An array of attributes to use when performing the rotate effect containing
+ *   the following items:
+ *   - "degrees": The number of (clockwise) degrees to rotate the image.
+ *   - "random": A boolean indicating that a random rotation angle should be
+ *     used for this image. The angle specified in "degrees" is used as a
+ *     positive and negative maximum.
+ *   - "bgcolor": The background color to use for exposed areas of the image.
+ *     Use web-style hex colors (#FFFFFF for white, #000000 for black). Leave
+ *     blank for transparency on image types that support it.
+ * @return
+ *   TRUE on success. FALSE on failure to rotate image.
+ * @see image_rotate().
+ */
+function image_rotate_effect(&$image, $data) {
+  // Set sane default values.
+  $data += array(
+    'degrees' => 0,
+    'bgcolor' => NULL,
+    'random' => FALSE,
+  );
+
+  // Convert short #FFF syntax to full #FFFFFF syntax.
+  if (strlen($data['bgcolor']) == 4) {
+    $c = $data['bgcolor'];
+    $data['bgcolor'] = $c[0] . $c[1] . $c[1] . $c[2] . $c[2] . $c[3] . $c[3];
+  }
+
+  // Convert #FFFFFF syntax to hexadecimal colors.
+  if ($data['bgcolor'] != '') {
+    $data['bgcolor'] = hexdec(str_replace('#', '0x', $data['bgcolor']));
+  }
+  else {
+    $data['bgcolor'] = NULL;
+  }
+
+  if (!empty($data['random'])) {
+    $degrees = abs((float) $data['degrees']);
+    $data['degrees'] = rand(-1 * $degrees, $degrees);
+  }
+
+  if (!image_rotate($image, $data['degrees'], $data['bgcolor'])) {
+    watchdog('image', 'Image rotate failed using the %toolkit toolkit on %path (%mimetype, %dimensions)', array('%toolkit' => $image->toolkit, '%path' => $image->source, '%mimetype' => $image->info['mime_type'], '%dimensions' => $image->info['width'] . 'x' . $image->info['height']), WATCHDOG_ERROR);
+    return FALSE;
+  }
+  return TRUE;
+}
+
+/**
+ * Image dimensions callback; Rotate.
+ *
+ * @param $dimensions
+ *   Dimensions to be modified - an array with components width and height, in
+ *   pixels.
+ * @param $data
+ *   An array of attributes to use when performing the rotate effect containing
+ *   the following items:
+ *   - "degrees": The number of (clockwise) degrees to rotate the image.
+ *   - "random": A boolean indicating that a random rotation angle should be
+ *     used for this image. The angle specified in "degrees" is used as a
+ *     positive and negative maximum.
+ */
+function image_rotate_dimensions(array &$dimensions, array $data) {
+  // If the rotate is not random and the angle is a multiple of 90 degrees,
+  // then the new dimensions can be determined.
+  if (!$data['random'] && ((int) ($data['degrees']) == $data['degrees']) && ($data['degrees'] % 90 == 0)) {
+    if ($data['degrees'] % 180 != 0) {
+      $temp = $dimensions['width'];
+      $dimensions['width'] = $dimensions['height'];
+      $dimensions['height'] = $temp;
+    }
+  }
+  else {
+    $dimensions['width'] = $dimensions['height'] = NULL;
+  }
+}