template-functions.php — Slider Ultimate 2.2.10

ultimate-slider / includes / template-functions.php

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template-functions.php

163 lines

1	<?php
2
3	/**
4	* Create a shortcode to display a slider
5	* @since 2.0.0
6	*/
7	function ewd_us_slider_shortcode( $atts ) {
8
9	// Define shortcode attributes
10	$slider_atts = array(
11	'slider_type' => null,
12	'post__in_string' => '',
13	'posts' => -1,
14	'category' => false,
15	'carousel' => false,
16	'slide_indicators' => null,
17	'timer_bar' => null
18	);
19
20	// Create filter so addons can modify the accepted attributes
21	$slider_atts = apply_filters( 'ewd_us_slider_shortcode_atts', $slider_atts );
22
23	// Extract the shortcode attributes
24	$args = shortcode_atts( $slider_atts, $atts );
25
26	// Render menu
27	ewd_us_load_view_files();
28	$slider = new ewdusViewSlider( $args );
29
30	return $slider->render();
31	}
32	add_shortcode( 'ultimate-slider', 'ewd_us_slider_shortcode' );
33
34	function ewd_us_load_view_files() {
35
36	$files = array(
37	EWD_US_PLUGIN_DIR . '/views/Base.class.php' // This will load all default classes
38	);
39
40	$files = apply_filters( 'ewd_us_load_view_files', $files );
41
42	foreach( $files as $file ) {
43	require_once( $file );
44	}
45
46	}
47
48	function ewd_us_create_watermarked_image( $image_url ) {
49
50	$upload_dir = wp_upload_dir();
51	$plugin_upload_path = $upload_dir['basedir'] . "/ultimate-slider/";
52
53	wp_mkdir_p( $plugin_upload_path );
54
55	$path_parts = pathinfo( $image_url );
56
57	$image_file_path = $plugin_upload_path . $path_parts['filename'] . '_watermarked.png';
58
59	$aspect_ratio_fraction = ewd_us_get_aspect_ratio_fraction();
60
61	$image_string = file_get_contents( $image_url );
62
63	$stamp = imagecreatefrompng( EWD_US_PLUGIN_URL . '/assets/img/star-watermark.png' );
64	$image = imagecreatefromstring( $image_string );
65
66	$height = intval( imagesy( $image ) );
67	$width = intval( imagesx( $image ) );
68
69	if ( $width < 2500 ) {
70	$stamp_width = round( $width / 10 );
71	$stamp_height = $stamp_width;
72	$scaled_stamp = imagescale( $stamp, $stamp_width, $stamp_height );
73	}
74	else {
75	$scaled_stamp = $stamp;
76	}
77
78	$margin_right = 10;
79	$margin_bottom = intval( $height - ( $width * $aspect_ratio_fraction ) + 10 );
80	$sx = intval( imagesx( $scaled_stamp ) );
81	$sy = intval( imagesy( $scaled_stamp ) );
82	$posx = $width -$sx - $margin_right;
83	$posy = $height - $sy - $margin_bottom;
84
85	imagecopy( $image, $scaled_stamp, $posx, $posy, 0, 0, $sx, $sy );
86
87	imagepng( $image, $image_file_path );
88
89	imagedestroy( $image );
90	}
91
92	function ewd_us_get_aspect_ratio_fraction() {
93	global $ewd_us_controller;
94
95	$aspect_ratio = $ewd_us_controller->settings->get_setting( 'aspect-ratio' );
96
97	if ($aspect_ratio == "3_1") {$aspect_ratio_fraction = .333333333;}
98	elseif ($aspect_ratio == "2_1") {$aspect_ratio_fraction = .5;}
99	elseif ($aspect_ratio == "16_9") {$aspect_ratio_fraction = .5625;}
100	elseif ($aspect_ratio == "3_2") {$aspect_ratio_fraction = .666666666;}
101	elseif ($aspect_ratio == "4_3") {$aspect_ratio_fraction = .75;}
102	elseif ($aspect_ratio == "1_1") {$aspect_ratio_fraction = 1;}
103	else {$aspect_ratio_fraction = .444444444;}
104
105	return $aspect_ratio_fraction;
106	}
107
108	if ( ! function_exists( 'ewd_us_get_aspect_fraction' ) ) {
109	function ewd_us_get_aspect_fraction( $aspect_ratio ) {
110
111	if ($aspect_ratio == "3_1") {$aspect_fraction = .333333333;}
112	if ($aspect_ratio == "16_7") {$aspect_fraction = .4375;}
113	if ($aspect_ratio == "2_1") {$aspect_fraction = .5;}
114	if ($aspect_ratio == "16_9") {$aspect_fraction = .5625;}
115	if ($aspect_ratio == "3_2") {$aspect_fraction = .666666667;}
116	if ($aspect_ratio == "4_3") {$aspect_fraction = .75;}
117	if ($aspect_ratio == "1_1") {$aspect_fraction = 1;}
118
119	return $aspect_fraction;
120	}
121	}
122
123	if ( ! function_exists( 'ewd_hex_to_rgb' ) ) {
124	function ewd_hex_to_rgb( $hex ) {
125
126	$hex = str_replace("#", "", $hex);
127
128	// return if the string isn't a color code
129	if ( strlen( $hex ) !== 3 and strlen( $hex ) !== 6 ) { return '0,0,0'; }
130
131	if(strlen($hex) == 3) {
132	$r = hexdec( substr( $hex, 0, 1 ) . substr( $hex, 0, 1 ) );
133	$g = hexdec( substr( $hex, 1, 1 ) . substr( $hex, 1, 1 ) );
134	$b = hexdec( substr( $hex, 2, 1 ) . substr( $hex, 2, 1 ) );
135	} else {
136	$r = hexdec( substr( $hex, 0, 2 ) );
137	$g = hexdec( substr( $hex, 2, 2 ) );
138	$b = hexdec( substr( $hex, 4, 2 ) );
139	}
140
141	$rgb = $r . ", " . $g . ", " . $b;
142
143	return $rgb;
144	}
145	}
146
147	if ( ! function_exists( 'ewd_format_classes' ) ) {
148	function ewd_format_classes( $classes ) {
149
150	if ( count( $classes ) ) {
151	return ' class="' . join( ' ', $classes ) . '"';
152	}
153	}
154	}
155
156	if ( ! function_exists( 'ewd_add_frontend_ajax_url' ) ) {
157	function ewd_add_frontend_ajax_url() { ?>
158
159	<script type="text/javascript">
160	var ajaxurl = '<?php echo admin_url('admin-ajax.php'); ?>';
161	</script>
162	<?php }
163	}