com.newsblob.phphtmllib/test/thumbnail.php

<?php
//    Image thumbnail0r (with an "0" :])
//    mike[@]filespanker.com
//
//    PARAMETERS:
//
//    img:
//        The image file as relative to THIS script.
//    h:
//        The thumbnail's height.    Default: 30
//    w:
//        The thumbnail's width.    Default: 30
//    mode:
//        1          = stretch:      The image is resized to height and width

//        0[default] = proportioned: The image is shrunken, but keeps proportions
//    type:
//        [optional]
//        jpg         = JPEG
//        gif        = GIF
//        png        = PNG
//        If this is not set, it is determined by its file extension.
//
//    This script's functions rely completely on your gd lib version.
//
//    So, if I recall correctly:
//        gd v1.5 or lower : GIF
//        gd v1.6 or higher: PNG
//        gd v1.8 or higher: PNG and JPEG
//
//    So, all three image types should never work on the same gd lib :[
//    You can thank Unisys for that.
//
//    Before mailing me, please actually look at the code.
//Theres not much I could have really screwed up, and its probably an
//    issue with your gd library.  Try up/downgrading it.

// Configuration:


//// CODE

  if( !isset($w) ) {
    $w = 50;
}

if( !isset($h) ) {
    $h = 50;
}


SetType($mode,   'integer');
SetType($w,      'integer');
SetType($h,     'integer');
SetType($img,     'string' );

function percent($p, $w) {
    return(real)(100 * ($p / $w));
}

function unpercent($percent, $whole) {
    return(real)(($percent * $whole) / 100);
}

// Initialization

// Make sure the file exists...
if( !file_exists($img) ) {
    echo "Error: could not find file: $img.";
    exit();
}

// If the user defined a type to use.
if( !isset($type) ) {
    $ext = explode('.', $img);
    $ext = $ext[count($ext)-1];
    switch( strtolower($ext) ) {
        case 'jpeg'  :
            $type = 'jpg';
            break;
        default :
            $type = $ext;
            break;
    }
}

// Create the image...
switch( strtolower($type) ) {
    case 'jpg':
        $tmp = imagecreatefromjpeg($img);
        break;

    case 'gif':
        $tmp = @imagecreatefromgif($img);
        break;

    case 'png':
        $tmp = @imagecreatefrompng($img);
        break;

    default:
        echo 'Error: Unrecognized image format.';
        exit();
        break;
}

if( $tmp ) {
    // Resize it

    $ow  = imagesx ($tmp);    // Original image width
    $oh  = imagesy ($tmp);    // Original image height

    if( $mode ) {
        // Just smash it up to fit the dimensions
        $nw = $w;
        $nh = $h;
    } else {
        // Make it proportional.
        if( $ow > $oh ) {
            $nw  = $w;
            $nh = unpercent(percent($nw, $ow), $oh);
        } else if( $oh > $ow ) {
            $nh = $h;
            $nw = unpercent(percent($nh, $oh), $ow);
        } else {
            $nh = $h;
            $oh = $w;
        }
    }

    $out = imagecreate($nw, $nh);
    imagecopyresized($out, $tmp, 0, 0, 0, 0, $nw, $nh, $ow, $oh);
    imagedestroy($tmp);
} else {
    echo 'Could not create image resource.';
    exit;
}


if( $out ) {
    switch( strtolower($type) ) {
        case 'jpg':
            header('Content-type: image/jpeg');
            imagejpeg($out);
            break;

        case 'gif':
            header('Content-type: image/gif');
            imagegif($out);
            break;

        case 'png':
            header('Content-type: image/png');
            imagepng($out);
            break;
    }
    imagedestroy($out);
} else {
    echo 'ERROR: Could not create resized image.';
}
?>

1	<?php
2	// Image thumbnail0r (with an "0" :])
3	// mike[@]filespanker.com
4	//
5	// PARAMETERS:
6	//
7	// img:
8	// The image file as relative to THIS script.
9	// h:
10	// The thumbnail's height. Default: 30
11	// w:
12	// The thumbnail's width. Default: 30
13	// mode:
14	// 1 = stretch: The image is resized to height and width
15
16	// 0[default] = proportioned: The image is shrunken, but keeps proportions
17	// type:
18	// [optional]
19	// jpg = JPEG
20	// gif = GIF
21	// png = PNG
22	// If this is not set, it is determined by its file extension.
23	//
24	// This script's functions rely completely on your gd lib version.
25	//
26	// So, if I recall correctly:
27	// gd v1.5 or lower : GIF
28	// gd v1.6 or higher: PNG
29	// gd v1.8 or higher: PNG and JPEG
30	//
31	// So, all three image types should never work on the same gd lib :[
32	// You can thank Unisys for that.
33	//
34	// Before mailing me, please actually look at the code.
35	//Theres not much I could have really screwed up, and its probably an
36	// issue with your gd library. Try up/downgrading it.
37
38	// Configuration:
39
40
41	//// CODE
42
43	if( !isset($w) ) {
44	$w = 50;
45	}
46
47	if( !isset($h) ) {
48	$h = 50;
49	}
50
51
52	SetType($mode, 'integer');
53	SetType($w, 'integer');
54	SetType($h, 'integer');
55	SetType($img, 'string' );
56
57	function percent($p, $w) {
58	return(real)(100 * ($p / $w));
59	}
60
61	function unpercent($percent, $whole) {
62	return(real)(($percent * $whole) / 100);
63	}
64
65	// Initialization
66
67	// Make sure the file exists...
68	if( !file_exists($img) ) {
69	echo "Error: could not find file: $img.";
70	exit();
71	}
72
73	// If the user defined a type to use.
74	if( !isset($type) ) {
75	$ext = explode('.', $img);
76	$ext = $ext[count($ext)-1];
77	switch( strtolower($ext) ) {
78	case 'jpeg' :
79	$type = 'jpg';
80	break;
81	default :
82	$type = $ext;
83	break;
84	}
85	}
86
87	// Create the image...
88	switch( strtolower($type) ) {
89	case 'jpg':
90	$tmp = imagecreatefromjpeg($img);
91	break;
92
93	case 'gif':
94	$tmp = @imagecreatefromgif($img);
95	break;
96
97	case 'png':
98	$tmp = @imagecreatefrompng($img);
99	break;
100
101	default:
102	echo 'Error: Unrecognized image format.';
103	exit();
104	break;
105	}
106
107	if( $tmp ) {
108	// Resize it
109
110	$ow = imagesx ($tmp); // Original image width
111	$oh = imagesy ($tmp); // Original image height
112
113	if( $mode ) {
114	// Just smash it up to fit the dimensions
115	$nw = $w;
116	$nh = $h;
117	} else {
118	// Make it proportional.
119	if( $ow > $oh ) {
120	$nw = $w;
121	$nh = unpercent(percent($nw, $ow), $oh);
122	} else if( $oh > $ow ) {
123	$nh = $h;
124	$nw = unpercent(percent($nh, $oh), $ow);
125	} else {
126	$nh = $h;
127	$oh = $w;
128	}
129	}
130
131	$out = imagecreate($nw, $nh);
132	imagecopyresized($out, $tmp, 0, 0, 0, 0, $nw, $nh, $ow, $oh);
133	imagedestroy($tmp);
134	} else {
135	echo 'Could not create image resource.';
136	exit;
137	}
138
139
140	if( $out ) {
141	switch( strtolower($type) ) {
142	case 'jpg':
143	header('Content-type: image/jpeg');
144	imagejpeg($out);
145	break;
146
147	case 'gif':
148	header('Content-type: image/gif');
149	imagegif($out);
150	break;
151
152	case 'png':
153	header('Content-type: image/png');
154	imagepng($out);
155	break;
156	}
157	imagedestroy($out);
158	} else {
159	echo 'ERROR: Could not create resized image.';
160	}
161	?>
162
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