├── Anton.ttf
├── functions.php
├── index.php
├── readme.md
├── toystory-example.jpg
└── toystory.jpg


/Anton.ttf:
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https://raw.githubusercontent.com/trepmal/meme-gen/0ff19339623f08ecf59aff8a973ca02700c28ed8/Anton.ttf


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/functions.php:
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  1 | <?php
  2 | /**
  3 |  * Memegen
  4 |  *
  5 |  * Generate meme-style image
  6 |  *
  7 |  * memegen_build_image()
  8 |  * memegen_font_size_guess()
  9 |  * memegen_imagettfstroketext()
 10 |  * memegen_sanitize()
 11 |  *
 12 |  */
 13 | 
 14 | /**
 15 |  * Build the image based on array of args
 16 |  *
 17 |  * @param array $args
 18 |  *     top_text    string Text for top of image
 19 |  *     bottom_text string Text for bottom of image
 20 |  *     filename    string Filename to save image as
 21 |  *     font        string Path to font file
 22 |  *     memebase    string Path to base image
 23 |  *     textsize    int    Font size
 24 |  *     textfit     bool   Fit text to image
 25 |  *     linespacing int    Line spacing // Pending
 26 |  *     padding     int    Padding between text and image
 27 |  * @return void
 28 |  */
 29 | function memegen_build_image( $args = array() ) {
 30 | 
 31 | 	list( $width, $height ) = getimagesize( $args['memebase'] );
 32 | 
 33 | 	$args['textsize'] = empty( $args['textsize'] ) ? round( $height/10 ) : $args['textsize'];
 34 | 
 35 | 	extract( $args );
 36 | 
 37 | 	// alright, lets make an image
 38 | 	$im = imagecreatefromjpeg( $args['memebase'] );
 39 | 
 40 | 	// make base image transparent
 41 | 	$black = imagecolorallocate( $im, 0, 0, 0 );
 42 | 	imagecolortransparent( $im, $black );
 43 | 
 44 | 	$textcolor = imagecolorallocate( $im, 255, 255, 255 );
 45 | 
 46 | 	$angle = 0;
 47 | 
 48 | 	$top_text = strtoupper( trim( $args['top_text'] ) );
 49 | 	$bottom_text = strtoupper( trim( $args['bottom_text'] ) );
 50 | 
 51 | 	$fit = isset( $textfit ) ? $textfit : true;
 52 | 
 53 | 	// top layer text
 54 | 	extract( memegen_font_size_guess( $textsize, ($width-$padding*2), $font, $top_text, $fit ) );
 55 | 	$from_side = ($width - $box_width)/2;
 56 | 	$from_top = $box_height + $padding;
 57 | 	// imagettftext( $im, $textsize, $angle, $from_side, $from_top, $textcolor, $font, $top_text );
 58 | 	memegen_imagettfstroketext( $im, $fontsize, $angle, $from_side, $from_top, $textcolor, $black, $font, $top_text, 1 );
 59 | 
 60 | 	// bottom layer text
 61 | 	extract( memegen_font_size_guess( $textsize, ($width-$padding*2), $font, $bottom_text, $fit ) );
 62 | 	$from_side = ($width - $box_width)/2;
 63 | 	$from_top = $height - $padding;
 64 | 	// imagettftext( $im, $textsize, $angle, $from_side, $from_top, $textcolor, $font, $bottom_text );
 65 | 	memegen_imagettfstroketext( $im, $fontsize, $angle, $from_side, $from_top, $textcolor, $black, $font, $bottom_text, 1 );
 66 | 
 67 | 	$basename = basename( $args['memebase'], '.jpg' );
 68 | 	// output
 69 | 	header('Content-Type: image/jpeg');
 70 | 	header('Content-Disposition: filename="'. $basename .'-'. $filename .'.jpg"');
 71 | 	imagejpeg( $im );
 72 | 	imagedestroy( $im );
 73 | 
 74 | }
 75 | 
 76 | /**
 77 |  * Font size guess
 78 |  *
 79 |  * Check if font box is too big for image and reduce recursively as needed till it does
 80 |  *
 81 |  * @param int $fontsize
 82 |  * @param int $imwidth
 83 |  * @param string $font TTF
 84 |  * @param string $text
 85 |  * @param bool $fit Try and fit text to image
 86 |  * @return array Font size, font box width, font box height
 87 |  */
 88 | function memegen_font_size_guess( $fontsize, $imwidth, $font, $text, $fit ) {
 89 | 
 90 | 	$angle = 0;
 91 | 
 92 | 	$_box = imageftbbox( $fontsize, $angle, $font, $text );
 93 | 	$box_width = $_box[4] - $_box[6];
 94 | 	$box_height = $_box[3] - $_box[5];
 95 | 
 96 | 	if ( $box_width > $imwidth && $fit ) {
 97 | 
 98 | 		// $sub = round( ( $box_width - $imwidth) * .08, 0, PHP_ROUND_HALF_DOWN );
 99 | 		// if ( $sub < 1 ) $sub = 1;
100 | 		$sub = 1;
101 | 		$fontsize = $fontsize - $sub;
102 | 
103 | 		return memegen_font_size_guess( $fontsize, $imwidth, $font, $text, $fit );
104 | 
105 | 	}
106 | 
107 | 	return compact( 'fontsize', 'box_width', 'box_height' );
108 | 
109 | }
110 | 
111 | /**
112 |  * Writes the given text with a border into the image using TrueType fonts.
113 |  * http://www.johnciacia.com/2010/01/04/using-php-and-gd-to-add-border-to-text/
114 |  * @author John Ciacia
115 |  * @param image An image resource
116 |  * @param size The font size
117 |  * @param angle The angle in degrees to rotate the text
118 |  * @param x Upper left corner of the text
119 |  * @param y Lower left corner of the text
120 |  * @param textcolor This is the color of the main text
121 |  * @param strokecolor This is the color of the text border
122 |  * @param fontfile The path to the TrueType font you wish to use
123 |  * @param text The text string in UTF-8 encoding
124 |  * @param px Number of pixels the text border will be
125 |  * @see http://us.php.net/manual/en/function.imagettftext.php
126 |  */
127 | function memegen_imagettfstroketext(&$image, $size, $angle, $x, $y, &$textcolor, &$strokecolor, $fontfile, $text, $px) {
128 | 
129 | 	for($c1 = ($x-abs($px)); $c1 <= ($x+abs($px)); $c1++)
130 | 		for($c2 = ($y-abs($px)); $c2 <= ($y+abs($px)); $c2++)
131 | 			$bg = imagettftext($image, $size, $angle, $c1, $c2, $strokecolor, $fontfile, $text);
132 | 
133 | 	return imagettftext($image, $size, $angle, $x, $y, $textcolor, $fontfile, $text);
134 | }
135 | 
136 | /**
137 |  * Sanitize
138 |  *
139 |  * Replace non-alphanumeric characters with hyphens
140 |  * Reduce any multihyphens down to one
141 |  *
142 |  * @param string $input
143 |  * @return string $input
144 |  */
145 | function memegen_sanitize( $input ) {
146 | 	$input = preg_replace( '/[^a-zA-Z0-9-_]/', '-', $input );
147 | 	$input = preg_replace( '/--*/', '-', $input );
148 | 	return $input;
149 | }
150 | 


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/index.php:
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 1 | <?php
 2 | /**
 3 |  * Example
 4 |  */
 5 | 
 6 | require_once( 'functions.php' );
 7 | 
 8 | // if form not submitted, show it and bail
 9 | if ( ! isset( $_GET['top_text'] ) && ! isset( $_GET['bottom_text'] ) ) {
10 | 	?>
11 | 	<form>
12 | 	<p>Top text:<br /><input name="top_text" /></p>
13 | 	<p>Bottom text:<br /><input name="bottom_text" /></p>
14 | 	<p><input type="submit" /></p>
15 | 	</form>
16 | 	<img src="toystory.jpg" />
17 | 	<?php
18 | 	die();
19 | }
20 | 
21 | // get form submission (or defaults)
22 | $top_text    = isset( $_GET['top_text'] )    ? $_GET['top_text']    : 'Cat hair';
23 | $bottom_text = isset( $_GET['bottom_text'] ) ? $_GET['bottom_text'] : 'Cat hair everywhere';
24 | $filename    = memegen_sanitize( $bottom_text ? $bottom_text : $top_text );
25 | 
26 | // setup args for image
27 | $args = array(
28 | 	'top_text'    => $top_text,
29 | 	'bottom_text' => $bottom_text,
30 | 	'filename'    => $filename,
31 | 	'font'        => dirname(__FILE__) .'/Anton.ttf',
32 | 	'memebase'    => dirname(__FILE__) .'/toystory.jpg',
33 | 	'textsize'    => 40,
34 | 	'textfit'     => true,
35 | 	'padding'     => 10,
36 | );
37 | 
38 | // create and output image
39 | memegen_build_image( $args );
40 | 


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/readme.md:
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1 | Meme Gen
2 | ========
3 | 
4 | ![bones](toystory-example.jpg)
5 | 
6 | Font credit: http://www.google.com/fonts/specimen/Anton


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/toystory-example.jpg:
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https://raw.githubusercontent.com/trepmal/meme-gen/0ff19339623f08ecf59aff8a973ca02700c28ed8/toystory-example.jpg


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/toystory.jpg:
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https://raw.githubusercontent.com/trepmal/meme-gen/0ff19339623f08ecf59aff8a973ca02700c28ed8/toystory.jpg


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