-
Notifications
You must be signed in to change notification settings - Fork 0
/
imagecache_actions.inc
340 lines (301 loc) · 12.5 KB
/
imagecache_actions.inc
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
<?php
function imagecache_resize_form($action) {
$form['width'] = array(
'#type' => 'textfield',
'#title' => t('Width'),
'#default_value' => isset($action['width']) ? $action['width'] : '100%',
'#description' => t('Enter a width in pixels or as a percentage. i.e. 500 or 80%.'),
);
$form['height'] = array(
'#type' => 'textfield',
'#title' => t('Height'),
'#default_value' => isset($action['height']) ? $action['height'] : '100%',
'#description' => t('Enter a height in pixels or as a percentage. i.e. 500 or 80%.'),
);
return $form;
}
function imagecache_resize_image(&$image, $data) {
if (!imageapi_image_resize($image, $data['width'], $data['height'])) {
watchdog('imagecache', 'imagecache_resize_image failed. image: %image, data: %data.', array('%path' => $image, '%data' => print_r($data, TRUE)), WATCHDOG_ERROR);
return FALSE;
}
return TRUE;
}
function theme_imagecache_resize($element) {
$data = $element['#value'];
if ($data['width'] && $data['height']) {
return check_plain($data['width']) . 'x' . check_plain($data['height']);
}
return ($data['width']) ? t('width @width', array('@width' => $data['width'])) : t('height @height', array('@height' => $data['height']));
}
/**
* ImageCache Scale
*/
function imagecache_scale_form($data = array()) {
$form = imagecache_resize_form($data);
$form['upscale'] = array(
'#type' => 'checkbox',
'#default_value' => (isset($data['upscale'])) ? $data['upscale'] : 0,
'#title' => t('Allow Upscaling'),
'#description' => t('Let scale make images larger than their original size'),
);
return $form;
}
function theme_imagecache_scale($element) {
return theme_imagecache_resize($element) . ' ' . ($element['#value']['upscale'] ? '(' . t('upscaling allowed') . ')' : '');
}
function imagecache_scale_image(&$image, $data) {
// Set impossibly large values if the width and height aren't set.
$data['width'] = $data['width'] ? $data['width'] : 9999999;
$data['height'] = $data['height'] ? $data['height'] : 9999999;
if (!imageapi_image_scale($image, $data['width'], $data['height'], $data['upscale'])) {
watchdog('imagecache', 'imagecache_scale_image failed. image: %image, data: %data.', array('%image' => $image->source, '%data' => print_r($data, TRUE)), WATCHDOG_ERROR);
return FALSE;
}
return TRUE;
}
/**
* ImageCache Scale and Crop
*/
function imagecache_scale_and_crop_form($data = array()) {
return imagecache_resize_form($data);
}
function theme_imagecache_scale_and_crop($element) {
return theme_imagecache_resize($element);
}
function imagecache_scale_and_crop_image(&$image, $data) {
if (!imageapi_image_scale_and_crop($image, $data['width'], $data['height'])) {
watchdog('imagecache', 'imagecache_scale_and_crop failed. image: %image, data: %data.', array('%image' => $image->source, '%data' => print_r($data, TRUE)), WATCHDOG_ERROR);
return FALSE;
}
return TRUE;
}
/**
* ImageCache Deprecated Scale.
* This will be removed in imagecache 2.1
*/
function imagecache_deprecated_scale_form($data = array()) {
$helptext = array();
$helptext['inside'] = t('<strong>Inside dimensions</strong>: Final dimensions will be less than or equal to the entered width and height. Useful for ensuring a maximum height and/or width.');
$helptext['outside'] = t('<strong>Outside dimensions</strong>: Final dimensions will be greater than or equal to the entered width and height. Ideal for cropping the result to a square.');
$description = '<ul><li>'. implode('</li><li>', $helptext) .'</li><ul>';
$form['fit'] = array(
'#type' => 'select',
'#title' => t('Scale to fit'),
'#options' => array('inside' => t('Inside dimensions'), 'outside' => t('Outside dimensions')),
'#default_value' => isset($data['fit']) ? $data['fit'] : NULL,
'#weight' => 1,
'#description' => $description,
);
$form['width'] = array(
'#type' => 'textfield',
'#title' => t('Width'),
'#default_value' => isset($data['width']) ? $data['width'] : '',
'#description' => t('Enter a width in pixels or as a percentage. i.e. 500 or 80%.'),
);
$form['height'] = array(
'#type' => 'textfield',
'#title' => t('Height'),
'#default_value' => isset($data['height']) ? $data['height'] : '',
'#description' => t('Enter a height in pixels or as a percentage. i.e. 500 or 80%.'),
);
return $form;
}
function theme_imagecache_deprecated_scale($element) {
$data = $element['#value'];
$fits = array('inside' => t('Inside dimensions'), 'outside' => t('Outside dimensions'));
return t('width: @width, height: @height, fit: @fit', array('@width' => $data['width'], '@height' => $data['height'], '@fit' => $fits[$data['fit']]));
}
function imagecache_deprecated_scale_image(&$image, $data) {
if ($data['fit'] == 'outside' && $data['width'] && $data['height']) {
$ratio = $image->info['width'] / $image->info['height'];
$new_ratio = $data['width']/$data['height'];
$data['width'] = $ratio > $new_ratio ? 0 : $data['width'];
$data['height'] = $ratio < $new_ratio ? 0 : $data['height'];
}
// Set impossibly large values if the width and height aren't set.
$data['width'] = $data['width'] ? $data['width'] : 9999999;
$data['height'] = $data['height'] ? $data['height'] : 9999999;
if (!imageapi_image_scale($image, $data['width'], $data['height'])) {
watchdog('imagecache', 'imagecache_deprecated_scale failed. image: %image, data: %data.', array('%image' => $image->source, '%data' => print_r($data, TRUE)), WATCHDOG_ERROR);
return FALSE;
}
return TRUE;
}
/**
* ImageCache Crop
*/
function imagecache_crop_form($data = array()) {
$data += array(
'width' => '',
'height' => '',
'xoffset' => '',
'yoffset' => '',
);
$form['width'] = array(
'#type' => 'textfield',
'#title' => t('Width'),
'#default_value' => $data['width'],
'#description' => t('Enter a width in pixels or as a percentage. i.e. 500 or 80%.'),
);
$form['height'] = array(
'#type' => 'textfield',
'#title' => t('Height'),
'#default_value' => $data['height'],
'#description' => t('Enter a height in pixels or as a percentage. i.e. 500 or 80%.'),
);
$form['xoffset'] = array(
'#type' => 'textfield',
'#title' => t('X offset'),
'#default_value' => $data['xoffset'],
'#description' => t('Enter an offset in pixels or use a keyword: <em>left</em>, <em>center</em>, or <em>right</em>.'),
);
$form['yoffset'] = array(
'#type' => 'textfield',
'#title' => t('Y offset'),
'#default_value' => $data['yoffset'],
'#description' => t('Enter an offset in pixels or use a keyword: <em>top</em>, <em>center</em>, or <em>bottom</em>.'),
);
return $form;
}
function theme_imagecache_crop($element) {
$data = $element['#value'];
return t('width: @width, height: @height, xoffset: @xoffset, yoffset: @yoffset', array(
'@width' => $data['width'],
'@height' => $data['height'],
'@xoffset' => $data['xoffset'],
'@yoffset' => $data['yoffset'],
));
}
function imagecache_crop_image(&$image, $data) {
if (!imageapi_image_crop($image, $data['xoffset'], $data['yoffset'], $data['width'], $data['height'])) {
watchdog('imagecache', 'imagecache_crop failed. image: %image, data: %data.', array('%image' => $image->source, '%data' => print_r($data, TRUE)), WATCHDOG_ERROR);
return FALSE;
}
return TRUE;
}
/**
* ImageCache Desaturate
*/
function imagecache_desaturate_form($data = array()) {
return array();
}
function theme_imagecache_desaturate($element) {
return '';
}
function imagecache_desaturate_image(&$image, $data = array()) {
if (!imageapi_image_desaturate($image)) {
watchdog('imagecache', 'imagecache_desaturate failed. image: %image, data: %data.', array('%image' => $image->source, '%data' => print_r($data, TRUE)), WATCHDOG_ERROR);
return FALSE;
}
return TRUE;
}
/**
* ImageCache Rotate
*/
function imagecache_rotate_form($data = array()) {
$form['degrees'] = array(
'#type' => 'textfield',
'#default_value' => (isset($data['degrees'])) ? $data['degrees'] : 0,
'#title' => t('Rotation angle'),
'#description' => t('The number of degrees the image should be rotated. Positive numbers are clockwise, negative are counter-clockwise.'),
);
$form['random'] = array(
'#type' => 'checkbox',
'#default_value' => (isset($data['random'])) ? $data['random'] : 0,
'#title' => t('Randomize'),
'#description' => t('Randomize the rotation angle for each image. The angle specified above is used as a maximum.'),
);
$form['bgcolor'] = array(
'#type' => 'textfield',
'#default_value' => (isset($data['bgcolor'])) ? $data['bgcolor'] : '',
'#title' => t('Background color'),
'#description' => t('The background color to use for exposed areas of the image. Use web-style hex colors (#FFFFFF for white, #000000 for black). An empty value will cause images that support transparency to have transparent backgrounds, otherwise it will be white.'),
);
return $form;
}
function theme_imagecache_rotate($element) {
$data = $element['#value'];
if ($data['random']) {
return t('random between -@degrees° and @degrees°', array('@degrees' => $data['degrees']));
}
return t('@degrees°', array('@degrees' => $data['degrees']));
}
function imagecache_rotate_image(&$image, $data) {
// Merge in default values.
$data += array(
'degrees' => '0',
'random' => FALSE,
'bgcolor' => '',
);
// Set sane default values.
if (strlen(trim($data['bgcolor']))) {
$data['bgcolor'] = hexdec(str_replace('#', '', $data['bgcolor']));
}
else {
$data['bgcolor'] = NULL;
}
if ($data['random']) {
$degrees = abs((float)$data['degrees']);
$data['degrees'] = rand(-1 * $degrees, $degrees);
}
if (!imageapi_image_rotate($image, $data['degrees'], $data['bgcolor'])) {
watchdog('imagecache', 'imagecache_rotate_image failed. image: %image, data: %data.', array('%image' => $image->source, '%data' => print_r($data, TRUE)), WATCHDOG_ERROR);
return FALSE;
}
return TRUE;
}
/**
* ImageCache Sharpen
*/
function imagecache_sharpen_form($data) {
$form['info'] = array(
'#value' => t('<strong>NOTE:</strong> The sigma parameter below is currently <em>only</em> used when the Imagemagick toolkit is active.'),
);
$form['radius'] = array(
'#type' => 'textfield',
'#default_value' => (isset($data['radius'])) ? $data['radius'] : '0.5' ,
'#title' => t('Radius'),
'#description' => t('The radius of the gaussian, in pixels, not counting the center pixel. If you\'re using Imagemagick, you can set this to 0 to let Imagemagick select a suitable radius. Typically 0.5 to 1 for screen resolutions. (default 0.5)'),
);
$form['sigma'] = array(
'#type' => 'textfield',
'#default_value' => (isset($data['sigma'])) ? $data['sigma'] : '0.5' ,
'#title' => t('Sigma'),
'#description' => t('The standard deviation of the gaussian, in pixels. General rule of thumb: if radius < 1 then sigma = radius, else sigma = sqrt(radius). (default 0.5)'),
);
$form['amount'] = array(
'#type' => 'textfield',
'#default_value' => (isset($data['amount'])) ? $data['amount'] : '100' ,
'#title' => t('Amount'),
'#description' => t('The percentage of the difference between the original and the blur image that is added back into the original. Typically 50 to 200. (default 100).'),
);
$form['threshold'] = array(
'#type' => 'textfield',
'#default_value' => (isset($data['threshold'])) ? $data['threshold'] : '0.05' ,
'#title' => t('Threshold'),
'#description' => t('The threshold, as a fraction of max RGB levels, needed to apply the difference amount. Typically 0 to 0.2. (default 0.05).'),
);
return $form;
}
function theme_imagecache_sharpen($element) {
$data = $element['#value'];
return t('radius: @radius, sigma: @sigma, amount: @amount, threshold: @threshold', array(
'@radius' => $data['radius'],
'@sigma' => $data['sigma'],
'@amount' => $data['amount'],
'@threshold' => $data['threshold'],
));
}
function imagecache_sharpen_image(&$image, $data) {
// Set sane default values.
$data['radius'] = $data['radius'] ? $data['radius'] : "0.5";
$data['sigma'] = $data['sigma'] ? $data['sigma'] : "0.5";
$data['amount'] = $data['amount'] ? $data['amount'] : "100";
$data['threshold'] = $data['threshold'] ? $data['threshold'] : "0.05";
if (!imageapi_image_sharpen($image, $data['radius'], $data['sigma'], $data['amount'], $data['threshold'])) {
watchdog('imagecache', 'imagecache_sharpen_image failed. image: %image, data: %data.', array('%image' => $image->source, '%data' => print_r($data, TRUE)), WATCHDOG_ERROR);
return FALSE;
}
return TRUE;
}