template-functions.php — Slider Ultimate 2.0.8

ultimate-slider / includes / template-functions.php

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template-functions.php

157 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	$image_file_path = $plugin_upload_path . basename( $image_url );
54
55	$aspect_ratio_fraction = ewd_us_get_aspect_ratio_fraction();
56
57	$image_string = file_get_contents( $image_url );
58
59	$stamp = imagecreatefrompng( EWD_US_PLUGIN_URL . '/assets/img/star-watermark.png' );
60	$image = imagecreatefromstring( $image_string );
61
62	$height = imagesy( $image );
63	$width = imagesx( $image );
64
65	if ( $width < 2500 ) {
66	$stamp_width = round( $width / 10 );
67	$stamp_height = $stamp_width;
68	$scaled_stamp = imagescale( $stamp, $stamp_width, $stamp_height );
69	}
70	else {
71	$scaled_stamp = $stamp;
72	}
73
74	$margin_right = 10;
75	$margin_bottom = $height - ( $width * $aspect_ratio_fraction ) + 10;
76	$sx = imagesx( $scaled_stamp );
77	$sy = imagesy( $scaled_stamp );
78
79	imagecopy( $image, $scaled_stamp, imagesx( $image ) - $sx - $margin_right, imagesy( $image ) - $sy - $margin_bottom, 0, 0, imagesx( $scaled_stamp ), imagesy( $scaled_stamp ) );
80
81	header( 'Content-type: image/png' );
82	imagepng( $image, $image_file_path );
83	imagedestroy( $image );
84	}
85
86	function ewd_us_get_aspect_ratio_fraction() {
87	global $ewd_us_controller;
88
89	$aspect_ratio = $ewd_us_controller->settings->get_setting( 'aspect-ratio' );
90
91	if ($aspect_ratio == "3_1") {$aspect_ratio_fraction = .333333333;}
92	elseif ($aspect_ratio == "2_1") {$aspect_ratio_fraction = .5;}
93	elseif ($aspect_ratio == "16_9") {$aspect_ratio_fraction = .5625;}
94	elseif ($aspect_ratio == "3_2") {$aspect_ratio_fraction = .666666666;}
95	elseif ($aspect_ratio == "4_3") {$aspect_ratio_fraction = .75;}
96	elseif ($aspect_ratio == "1_1") {$aspect_ratio_fraction = 1;}
97	else {$aspect_ratio_fraction = .444444444;}
98
99	return $aspect_ratio_fraction;
100	}
101
102	if ( ! function_exists( 'ewd_us_get_aspect_fraction' ) ) {
103	function ewd_us_get_aspect_fraction( $aspect_ratio ) {
104
105	if ($aspect_ratio == "3_1") {$aspect_fraction = .333333333;}
106	if ($aspect_ratio == "16_7") {$aspect_fraction = .4375;}
107	if ($aspect_ratio == "2_1") {$aspect_fraction = .5;}
108	if ($aspect_ratio == "16_9") {$aspect_fraction = .5625;}
109	if ($aspect_ratio == "3_2") {$aspect_fraction = .666666667;}
110	if ($aspect_ratio == "4_3") {$aspect_fraction = .75;}
111	if ($aspect_ratio == "1_1") {$aspect_fraction = 1;}
112
113	return $aspect_fraction;
114	}
115	}
116
117	if ( ! function_exists( 'ewd_hex_to_rgb' ) ) {
118	function ewd_hex_to_rgb( $hex ) {
119
120	$hex = str_replace("#", "", $hex);
121
122	// return if the string isn't a color code
123	if ( strlen( $hex ) !== 3 and strlen( $hex ) !== 6 ) { return '0,0,0'; }
124
125	if(strlen($hex) == 3) {
126	$r = hexdec( substr( $hex, 0, 1 ) . substr( $hex, 0, 1 ) );
127	$g = hexdec( substr( $hex, 1, 1 ) . substr( $hex, 1, 1 ) );
128	$b = hexdec( substr( $hex, 2, 1 ) . substr( $hex, 2, 1 ) );
129	} else {
130	$r = hexdec( substr( $hex, 0, 2 ) );
131	$g = hexdec( substr( $hex, 2, 2 ) );
132	$b = hexdec( substr( $hex, 4, 2 ) );
133	}
134
135	$rgb = $r . ", " . $g . ", " . $b;
136
137	return $rgb;
138	}
139	}
140
141	if ( ! function_exists( 'ewd_format_classes' ) ) {
142	function ewd_format_classes( $classes ) {
143
144	if ( count( $classes ) ) {
145	return ' class="' . join( ' ', $classes ) . '"';
146	}
147	}
148	}
149
150	if ( ! function_exists( 'ewd_add_frontend_ajax_url' ) ) {
151	function ewd_add_frontend_ajax_url() { ?>
152
153	<script type="text/javascript">
154	var ajaxurl = '<?php echo admin_url('admin-ajax.php'); ?>';
155	</script>
156	<?php }
157	}