');
document.write('
function resize_image
($image_path,
$max_width,
$max_height,
$file_prefix,
$dir,
$border,
$mime) {');
document.write('
// Determine image filename from image_path');
document.write('
$fileArray =
explode("/",
$image_path);
');
document.write('
$file_elements =
count($fileArray);
');
document.write('
$last_element =
$file_elements -
1;
');
document.write('
if (!
empty($file_ext)) {');
document.write('
$out_file =
$file_prefix.
$fileArray[$last_element];
');
document.write('
} else {');
document.write('
$out_file =
$fileArray[$last_element];
');
document.write('
} ');
document.write('
');
document.write('
// Rebuild directory string so we know where to save thumbnail file');
document.write('
$directory =
"";
');
document.write('
for ($a=
0;
$a<=
($last_element -
1);
$a++
) {');
document.write('
if (empty($directory)) {');
document.write('
$directory =
$fileArray[$a];
');
document.write('
} else {');
document.write('
$directory =
$directory.
"/".
$fileArray[$a];
');
document.write('
} ');
document.write('
}');
document.write('
if (!
empty($dir)) { $directory =
$directory.
"/".
$dir;
}');
document.write('
');
document.write('
$out_file =
$directory.
"/".
$out_file;
');
document.write('
');
document.write('
$size =
getimagesize($image_path);
');
document.write('
if (($mime ==
"image/jpeg") ||
($mime ==
"image/pjpeg")) {');
document.write('
$im_in = imagecreatefromjpeg
($image_path);
');
document.write('
} elseif ($mime ==
"image/gif") {');
document.write('
$im_in = imagecreatefromgif
($image_path);
');
document.write('
} elseif ($mime ==
"image/png") {');
document.write('
$im_in = imagecreatefrompng
($image_path);
');
document.write('
}');
document.write('
');
document.write('
// Get original image dimensions');
document.write('
$origW =
$size[0];
');
document.write('
$origH =
$size[1];
');
document.write('
');
document.write('
// Determine scale percentage - we have 3 cases here');
document.write('
if (empty($max_width) &&
empty($max_height)) {');
document.write('
// This is gonna be tricky \'cause we want to avoid proportion problems');
document.write('
// Do short side first, then figure out other dimention');
document.write('
if ($origW >
$origH) {');
document.write('
// Horizontal orientation');
document.write('
// Determine ideal scale');
document.write('
$scale =
floor($max_height /
$origH);
');
document.write('
$new_height =
$max_height;
');
document.write('
$new_width =
$max_width;
');
document.write('
');
document.write('
$optW =
floor($origW*
$scale);
');
document.write('
');
document.write('
// Now we need to first crop image to the right proportions before scaling');
document.write('
if ($max_width ==
$max_height) {');
document.write('
$cropW =
$origH;
');
document.write('
$cropH =
$origH;
');
document.write('
$origW =
$cropW;
');
document.write('
$origH =
$cropH;
');
document.write('
} elseif ($max_width <
$max_height) {');
document.write('
$ratio =
$max_width/
$max_height;
');
document.write('
$cropW =
($origW*
$ratio);
');
document.write('
$cropH =
$origH;
');
document.write('
$origW =
$cropW;
');
document.write('
$origH =
$cropH;
');
document.write('
} elseif ($max_width >
$max_height) {');
document.write('
$ratio =
$max_height/
$max_width;
');
document.write('
$cropW =
$origW;
');
document.write('
$cropH =
($origH*
$ratio);
');
document.write('
$origW =
$cropW;
');
document.write('
$origH =
$cropH;
');
document.write('
} ');
document.write('
$im_out = imagecreatetruecolor
($cropW,
$cropH);
');
document.write(' imagecopy
($im_out,
$im_in,
0,
0,
0,
0,
$cropW,
$cropH);
');
document.write('
if (($mime ==
"image/jpeg") ||
($mime ==
"image/pjpeg")) {');
document.write(' imagejpeg
($im_out,
$out_file,
100);
');
document.write('
$im_in = imagecreatefromjpeg
($out_file);
');
document.write('
} elseif ($mime ==
"image/gif") {');
document.write(' imagegif
($im_out,
$out_file,
100);
');
document.write('
$im_in = imagecreatefromgif
($out_file);
');
document.write('
} elseif ($mime ==
"image/png") {');
document.write(' imagepng
($im_out,
$out_file,
100);
');
document.write('
$im_in = imagecreatefrompng
($image_path);
');
document.write('
} ');
document.write('
');
document.write('
} elseif ($origW <
$origH) {');
document.write('
// Vertical orientation');
document.write('
// Determine ideal scale');
document.write('
$scale =
floor($max_width /
$origW);
');
document.write('
$new_width =
$max_width;
');
document.write('
$new_height =
$max_height;
');
document.write('
');
document.write('
$optH =
floor($origH*
$scale);
');
document.write('
');
document.write('
// Now we need to first crop image to the right proportions before scaling');
document.write('
if ($max_width ==
$max_height) {');
document.write('
$cropW =
$origW;
');
document.write('
$cropH =
$origW;
');
document.write('
$origW =
$cropW;
');
document.write('
$origH =
$cropH;
');
document.write('
} elseif ($max_width <
$max_height) {');
document.write('
$ratio =
$max_width/
$max_height;
');
document.write('
$cropW =
($origW*
$ratio);
');
document.write('
$cropH =
$origH;
');
document.write('
$origW =
$cropW;
');
document.write('
$origH =
$cropH;
');
document.write('
} elseif ($max_width >
$max_height) {');
document.write('
$ratio =
$max_height/
$max_width;
');
document.write('
$cropW =
$origW;
');
document.write('
$cropH =
($origH*
$ratio);
');
document.write('
$origW =
$cropW;
');
document.write('
$origH =
$cropH;
');
document.write('
} ');
document.write('
$im_out = imagecreatetruecolor
($cropW,
$cropH);
');
document.write(' imagecopy
($im_out,
$im_in,
0,
0,
0,
0,
$cropW,
$cropH);
');
document.write('
if (($mime ==
"image/jpeg") ||
($mime ==
"image/pjpeg")) {');
document.write(' imagejpeg
($im_out,
$out_file,
100);
');
document.write('
$im_in = imagecreatefromjpeg
($out_file);
');
document.write('
} elseif ($mime ==
"image/gif") {');
document.write(' imagegif
($im_out,
$out_file,
100);
');
document.write('
$im_in = imagecreatefromgif
($out_file);
');
document.write('
} elseif ($mime ==
"image/png") {');
document.write(' imagepng
($im_out,
$out_file,
100);
');
document.write('
$im_in = imagecreatefrompng
($out_file);
');
document.write('
} ');
document.write('
} elseif ($origW ==
$origH) {');
document.write('
// Square - easy');
document.write('
$new_width =
$max_width;
');
document.write('
$new_height =
$max_height;
');
document.write('
}');
document.write('
} elseif (!
empty($max_width) &&
empty($max_height)) { ');
document.write('
$scale =
($max_width /
$origW);
');
document.write('
$new_width =
$max_width;
');
document.write('
$new_height =
floor($origH *
$scale);
');
document.write('
} elseif (!
empty($max_height) &&
empty($max_width)) {');
document.write('
$scale =
($max_height /
$origH);
');
document.write('
$new_height =
$max_height;
');
document.write('
$new_width =
floor($origW *
$scale);
');
document.write('
}');
document.write('
');
document.write('
$im_out = imagecreatetruecolor
($new_width,
$new_height);
');
document.write(' imagecopyresized
($im_out,
$im_in,
0,
0,
0,
0,
$new_width,
$new_height,
$origW,
$origH);
');
document.write('
if (($mime ==
"image/jpeg") ||
($mime ==
"image/pjpeg")) {');
document.write(' imagejpeg
($im_out,
$out_file,
100);
');
document.write('
} elseif ($mime ==
"image/gif") {');
document.write(' imagegif
($im_out,
$out_file,
100);
');
document.write('
} elseif ($mime ==
"image/png") {');
document.write(' imagepng
($im_out,
$out_file,
100);
');
document.write('
}');
document.write('
');
document.write('
// Draw border');
document.write('
if ($border ==
1) {');
document.write('
if (($mime ==
"image/jpeg") ||
($mime ==
"image/pjpeg")) {');
document.write('
$im_in = imagecreatefromjpeg
($out_file);
');
document.write('
} elseif ($mime ==
"image/gif") {');
document.write('
$im_in = imagecreatefromgif
($out_file);
');
document.write('
} elseif ($mime ==
"image/png") {');
document.write('
$im_in = imagecreatefrompng
($out_file);
');
document.write('
}');
document.write('
$color = ImageColorAllocate
($im_in,
0,
0,
0);
');
document.write(' ImageLine
($im_in,
0,
0,
($max_width-1),
0,
$color);
// Top border');
document.write(' ImageLine
($im_in,
($max_width-1),
1,
($max_width-1),
($max_height-1),
$color);
// Right border');
document.write(' ImageLine
($im_in,
($max_width-1),
($max_height-1),
1,
($max_height-1),
$color);
// Bottom border');
document.write(' ImageLine
($im_in,
0,
($max_height-1),
0,
0,
$color);
// Left border');
document.write('
if (($mime ==
"image/jpeg") ||
($mime ==
"image/pjpeg")) {');
document.write(' imagejpeg
($im_in,
$out_file,
100);
');
document.write('
} elseif ($mime ==
"image/gif") {');
document.write(' imagegif
($im_in,
$out_file,
100);
');
document.write('
} elseif ($mime ==
"image/png") {');
document.write(' imagepng
($im_in,
$out_file,
100);
');
document.write('
}');
document.write('
}');
document.write('
');
document.write(' imagedestroy
($im_out);
');
document.write(' imagedestroy
($im_in);
');
document.write('
');
document.write('
return $origW;
');
document.write('
return $origH;
');
document.write('
}');
document.write('