modules/acidfree/image.imagick.inc

<?php
/* $Id: image.imagick.inc,v 1.4 2005/11/09 23:59:37 vhmauery Exp $ */

/**
 * Return information about the imagick toolkit
 */
function image_imagick_info() {
  return array('name' => 'imagick', 'title' => 'Imagick (libmagick6) Toolkit.');
  
}

function image_imagick_check_settings() {
  if ($check = get_extension_funcs('imagick')) {
    if (in_array('imagick_readimage', $check)) {
      return true;
    }
  }
  return false;
}
/**
 * Validate and return toolkit specific settings
 */
function image_imagick_settings() {
    if (!image_imagick_check_settings()) {
        form_set_error('image_toolkit', t("The built-in imagick image toolkit requires that the imagick module for PHP be installed and configured properly. For more information see %url.", array('%url' => '<a href="http://pecl.php.net/package/imagick</a>')));
    }
    $imagick_settings['imagick_imagejpeg_quality'] = array(
            '#type'=>'textfield',
            '#title'=>t('Imagick JPEG image quality (1-100)'),
            '#default_value'=>variable_get('imagick_imagejpeg_quality', 75),
        );
    return $imagick_settings;
}

/**
 * Common helper functions
 */
function _image_imagick_report($handle, $function) {
    $reason = imagick_failedreason($handle);
    $description = imagick_faileddescription($handle);
    drupal_set_message(t('%function failed: %reason: %description',
        array('%function' => $function, '%reason' => $reason, '%description' => $description)));
}
function _image_imagick_read($file) {
    $handle = imagick_readimage($file);
    if (!$handle) {
        drupal_set_message(t('imagick_readimage failed to open file %file', array('%file' => $file)));
        return false;
    } elseif (imagick_iserror($handle)) {
        _image_imagick_report($handle, 'imagick_readimage');
        return false;
    }
    return $handle;
}
function _image_imagick_write($handle, $file) {
    if (!$handle) {
        drupal_set_message(t('imagick_readimage failed to open file %file', array('%file' => $file)));
        return false;
    } else {
        if (!imagick_set_image_quality($handle, variable_get('imagick_imagejpeg_quality', 75))) {
            _image_imagick_report($handle, 'imagick_set_image_quality');
            return false;
        }
        if (!imagick_writeimage($handle, $file)) {
            _image_imagick_report($handle, 'imagick_writeimage');    
            return false;
        }
    }
    return true;
}

/**
 * Resize an image to the given width and height
 */
function image_imagick_resize($source, $dest, $width, $height) {
    if (!($handle = _image_imagick_read($source)))
        return false;
    if (!imagick_scale($handle, $width, $height, "!")) {
        _image_imagick_report($handle, 'imagick_scale');    
        return false;
    }
    return _image_imagick_write($handle, $dest);
}

/**
 * Rotate an image
 */
function image_imagick_rotate($source, $dest, $degrees) {
    if (!($handle = _image_imagick_read($source)))
        return false;
    if (!imagick_rotate($handle, $degrees)) {
        _image_imagick_report($handle, 'imagick_rotate');    
        return false;
    }
    return _image_imagick_write($handle, $dest);
}

/**
 * Crop an image to the specified dimensions
 */
function image_imagick_crop($source, $dest, $x, $y, $width, $height) {
    if (!($handle = _image_imagick_read($source)))
        return false;
    if (!imagick_crop($handle, $x, $y, $width, $height)) {
        _image_imagick_report($handle, 'imagick_crop');    
        return false;
    }
    return _image_imagick_write($handle, $dest);
}

/**
 * Composite one image on another
 */
function image_imagick_composite($donkey, $tail, $dest, $x, $y) {
    if (!($handle = _image_imagick_read($donkey)))
        return false;
    if (!($comp_handle = _image_imagick_read($tail)))
        return false;
    imagick_composite($handle, IMAGICK_COMPOSITE_OP_OVER,
            $comp_handle, 200, 200);
    return _image_imagick_write($handle, $dest);
}

?>
1	<?php
2	/* $Id: image.imagick.inc,v 1.4 2005/11/09 23:59:37 vhmauery Exp $ */
3
4	/**
5	* Return information about the imagick toolkit
6	*/
7	function image_imagick_info() {
8	return array('name' => 'imagick', 'title' => 'Imagick (libmagick6) Toolkit.');
9
10	}
11
12	function image_imagick_check_settings() {
13	if ($check = get_extension_funcs('imagick')) {
14	if (in_array('imagick_readimage', $check)) {
15	return true;
16	}
17	}
18	return false;
19	}
20	/**
21	* Validate and return toolkit specific settings
22	*/
23	function image_imagick_settings() {
24	if (!image_imagick_check_settings()) {
25	form_set_error('image_toolkit', t("The built-in imagick image toolkit requires that the imagick module for PHP be installed and configured properly. For more information see %url.", array('%url' => '<a href="http://pecl.php.net/package/imagick</a>')));
26	}
27	$imagick_settings['imagick_imagejpeg_quality'] = array(
28	'#type'=>'textfield',
29	'#title'=>t('Imagick JPEG image quality (1-100)'),
30	'#default_value'=>variable_get('imagick_imagejpeg_quality', 75),
31	);
32	return $imagick_settings;
33	}
34
35	/**
36	* Common helper functions
37	*/
38	function _image_imagick_report($handle, $function) {
39	$reason = imagick_failedreason($handle);
40	$description = imagick_faileddescription($handle);
41	drupal_set_message(t('%function failed: %reason: %description',
42	array('%function' => $function, '%reason' => $reason, '%description' => $description)));
43	}
44	function _image_imagick_read($file) {
45	$handle = imagick_readimage($file);
46	if (!$handle) {
47	drupal_set_message(t('imagick_readimage failed to open file %file', array('%file' => $file)));
48	return false;
49	} elseif (imagick_iserror($handle)) {
50	_image_imagick_report($handle, 'imagick_readimage');
51	return false;
52	}
53	return $handle;
54	}
55	function _image_imagick_write($handle, $file) {
56	if (!$handle) {
57	drupal_set_message(t('imagick_readimage failed to open file %file', array('%file' => $file)));
58	return false;
59	} else {
60	if (!imagick_set_image_quality($handle, variable_get('imagick_imagejpeg_quality', 75))) {
61	_image_imagick_report($handle, 'imagick_set_image_quality');
62	return false;
63	}
64	if (!imagick_writeimage($handle, $file)) {
65	_image_imagick_report($handle, 'imagick_writeimage');
66	return false;
67	}
68	}
69	return true;
70	}
71
72	/**
73	* Resize an image to the given width and height
74	*/
75	function image_imagick_resize($source, $dest, $width, $height) {
76	if (!($handle = _image_imagick_read($source)))
77	return false;
78	if (!imagick_scale($handle, $width, $height, "!")) {
79	_image_imagick_report($handle, 'imagick_scale');
80	return false;
81	}
82	return _image_imagick_write($handle, $dest);
83	}
84
85	/**
86	* Rotate an image
87	*/
88	function image_imagick_rotate($source, $dest, $degrees) {
89	if (!($handle = _image_imagick_read($source)))
90	return false;
91	if (!imagick_rotate($handle, $degrees)) {
92	_image_imagick_report($handle, 'imagick_rotate');
93	return false;
94	}
95	return _image_imagick_write($handle, $dest);
96	}
97
98	/**
99	* Crop an image to the specified dimensions
100	*/
101	function image_imagick_crop($source, $dest, $x, $y, $width, $height) {
102	if (!($handle = _image_imagick_read($source)))
103	return false;
104	if (!imagick_crop($handle, $x, $y, $width, $height)) {
105	_image_imagick_report($handle, 'imagick_crop');
106	return false;
107	}
108	return _image_imagick_write($handle, $dest);
109	}
110
111	/**
112	* Composite one image on another
113	*/
114	function image_imagick_composite($donkey, $tail, $dest, $x, $y) {
115	if (!($handle = _image_imagick_read($donkey)))
116	return false;
117	if (!($comp_handle = _image_imagick_read($tail)))
118	return false;
119	imagick_composite($handle, IMAGICK_COMPOSITE_OP_OVER,
120	$comp_handle, 200, 200);
121	return _image_imagick_write($handle, $dest);
122	}
123
124	?>