I need your help
I have two images,
1. http://i.imgur.com/pyWGk.jpg (face image, type: jpeg)
2. http://i.imgur.com/LYk07.png (frame image, with hole in face, type: png)
I want insert face image into frame image
I tried this script
<?php
$image = imagecreatefromjpeg('face.jpg');
$frame = imagecreatefrompng('ironman.png');
$iw = imagesx($image);
$ih = imagesy($image);
$fw = imagesx($frame);
$fh = imagesy($frame);
imagealphablending($frame, true);
imagesavealpha($frame, true);
imagecopy($image, $frame, 0, 0, 0, 0, $fw, $fh);
header('Content-Type: image/jpeg');
imagejpeg($image);
imagedestroy($image);
imagedestroy($frame);
?>
The problem are:
Resolution of result image doesn't same with resolution of frame image, and
How to change position of face image, so the face image can right on hole in frame image
You can scale images to get the same resolutions. Here's the sample code for scaling:
function scale($scale){
//you can get image width and height from image info
$width = $image_width * $scale / 100;
$height = $image_height * $scale / 100;
$scaled_image = imagecreatetruecolor($width, $height);
imagecopyresampled($scaled_image, $old_image, 0, 0, 0, 0, $width, $height, $image_width, $image_height);
}
To change position of face image you can set parameters you want in imagecopy function. You'll need to set dst_x and dst_y.
Related
I am going to grab some images from different websites and resize and the download them. I am using the following script:
$img = file_get_contents($picarr[0]);
$im = imagecreatefromstring($img);
$width = imagesx($im);
$height = imagesy($im);
if($width > $height){
$newwidth = 600;
$newheight = (600*$height)/$width;
}else{
$newheight = 400;
$newwidth = (400*$width)/$height;
}
$thumb = imagecreatetruecolor($newwidth, $newheight);
imagecopyresampled($thumb, $im, 0, 0, 0, 0, $newwidth, $newheight, $width, $height);
imagejpeg($thumb,'D:\mypic\9.jpg', 100); //save image as jpg
imagedestroy($thumb);
imagedestroy($im);
this code is worked, but it seems it's following the original photo's scale (which is 4:3, and the size of original picture is 720 x 540). So the output is 600 x 450. How can I or is it possible to force resize the image to 600 x 400 ?
EDIT: Also, I am trying to add some watermark on the image.I know the way to add watermark when I submit the form, but how can I do this while running this script
I have a resize image script that takes a 130x81 image and adds it to a 130x130 image, when the imagecopyresampled function runs it adds a black background into the space that is left over, even though the base image is white. Code below, I could really appreciate some help.
The image I am trying to merge onto the 130x130 file php created is:
$width = 130;
$height = 130;
$filename = 'process-add.jpg'; //130x81px jpg
$this->_image = imagecreatefromjpeg($filename);
$background = imagecreatetruecolor(130,130);//create the background 130x130
$whiteBackground = imagecolorallocate($background, 255, 255, 255);
imagefill($background,0,0,$whiteBackground); // fill the background with white
imagecopyresampled($background, $this->_image,(130-$width)/2,(130-$height)/2, 0, 0, $width, $height, $width, $height); // copy the image to the background
ImageJpeg ($background,null,100); //display
I have read on multiple posts to add:
imagealphablending($background, false);
into the code which should fix it, but it doesn't make any difference.
Thanks in advance!
This has been solved. The issue was with teh width and height on the imagecopyresampled call. See the code block below:
<?
ini_set('allow_url_fopen', true);
$filename = 'http://img.yessy.com/1402152287-17201a.jpg'; // 130x81
$image = imagecreatefromjpeg($filename);
list($originalWidth, $originalHeight) = getimagesize($filename);
// Size of image to create
$width = 130;
$height = 130;
$background = imagecreatetruecolor($width, $height);//create the background 130x130
$whiteBackground = imagecolorallocate($background, 255, 255, 255);
imagefill($background,0,0,$whiteBackground); // fill the background with white
imagecopyresampled($background, $image, 0, ($height - $originalHeight) / 2, 0, 0, $originalWidth, $originalHeight, $originalWidth, $originalHeight); // copy the image to the background
header("Content-type: image/jpeg");
ImageJpeg ($background,null,100); //display
?>
I want to download this image:
http://imgs.xkcd.com/clickdrag/1n2w.png
But the image is too large for me so i want to resize it to lets say 100 times smaller than it is now. Also i want the image to have its original name (in this case 1n2w.png).
For downloading i was thinking of using somet
$content = file_get_contents('http://imgs.xkcd.com/clickdrag/1n2w.png');
file_put_contents('/images', $content);
But it didnt work. Maybe i need to use curl for this?
As for the resizing part i dont know what to use, so if possible i would like too see some suggestions on this.
For image re-sizing you can use it.
$percent = 0.5;
$filename = '/home/Pictures/downloaded_file.jpg';
header('Content-type: image/jpeg');
list($width, $height) = getimagesize($filename);
$new_width = $width * $percent;
$new_height = $height * $percent;
$image_p = imagecreatetruecolor($new_width, $new_height);
$image = imagecreatefromjpeg($filename)
;
imagecopyresampled($image_p, $image, 0, 0, 0, 0, $new_width, $new_height, $width, $height);
imagejpeg($image_p, null, 100);
i want to resize uploaded images to width: 180px with proportional height. Is there any classes to do this?
Thanks for help!
I think this question can use an answer with an actual code example. The code below shows you how you to resize an image inside a directory uploaded, and save the resized image in the folder resized.
<?php
// the file
$filename = 'uploaded/my_image.jpg';
// the desired width of the image
$width = 180;
// content type
header('Content-Type: image/jpeg');
list($width_orig, $height_orig) = getimagesize($filename);
$ratio_orig = $width_orig/$height_orig;
$height = $width/$ratio_orig;
// resample
$image_p = imagecreatetruecolor($width, $height);
$image = imagecreatefromjpeg($filename);
imagecopyresampled($image_p, $image, 0, 0, 0, 0, $width, $height, $width_orig, $height_orig);
// output
imagejpeg($image_p, 'resized/my_image.jpg', 80);
?>
First you need to get the current image dimensions:
$width = imagesx($image);
$height = imagesy($image);
Then calculate the scaling factor:
$scalingFactor = $newImageWidth / $width;
When having the scaling factor just calculate the new height of the image:
$newImageHeight = $height * $scalingFactor;
Then just create the new image;
$newImage = imagecreatetruecolor($newImageWidth, $newImageHeight);
imagecopyresampled($newImage, $image, 0, 0, 0, 0, $newImageWidth, $newImageHeight, $width, $height);
Probably these snippets will help:
http://www.codeslices.net/snippets/resize-scale-image-proportionally-to-given-width-in-php http://www.codeslices.net/snippets/resize-scale-image-proportionally-in-php
at least they worked for me.
you may use imagecopyresampled php function. new sizes you also can calculate.
User jquery plugin JCrop, and set its aspect ratio for the image...
Check this link for details:
http://www.webresourcesdepot.com/jquery-image-crop-plugin-jcrop/
here is the website im talking about
http://makeupbyarpi.com/portfolio.php
you'll notice some of the images are smushed width-wise.
the code i used is this:
$width="500";
$height="636";
$img_src = $_FILES['galleryimg']['tmp_name'];
$thumb = "../gallery/".rand(0,100000).".jpg";
//Create image stream
$image = imagecreatefromjpeg($img_src);
//Gather and store the width and height
list($image_width, $image_height) = getimagesize($img_src);
//Resample/resize the image
$tmp_img = imagecreatetruecolor($width, $height);
imagecopyresampled($tmp_img, $image, 0, 0, 0, 0, $width, $height, $image_width, $image_height);
//Attempt to save the new thumbnail
if(is_writeable(dirname($thumb))){
imagejpeg($tmp_img, $thumb, 100);
}
//Free memory
imagedestroy($tmp_img);
imagedestroy($image);
the images that get uploaded are huge sometimes 3000px by 2000px and i have php crop it down to 500 x 536 and some landscape based images get smushed. is there a formula i can use to crop it carefully so that the image comes out good?
thanks
You could resize and add a letterbox if required. You simply need to resize the width and then calculate the new height (assuming width to height ratio is same as original) then if the height is not equal to the preferred height you need to draw a black rectangle (cover background) and then centre the image.
You could also do a pillarbox, but then you do the exact same as above except that width becomes height and height becomes width.
Edit: Actually, you resize the one that is the biggest, if width is bigger, you resize that and if height is bigger then you resize that. And depending on which one you resize, your script should either letterbox or pillarbox.
EDIT 2:
<?php
// Define image to resize
$img_src = $_FILES['galleryimg']['tmp_name'];
$thumb = "../gallery/" . rand(0,100000) . ".jpg";
// Define resize width and height
$width = 500;
$height = 636;
// Open image
$img = imagecreatefromjpeg($img_src);
// Store image width and height
list($img_width, $img_height) = getimagesize($img_src);
// Create the new image
$new_img = imagecreatetruecolor($width, $height);
// Calculate stuff and resize image accordingly
if (($width/$img_width) < ($height/$img_height)) {
$new_width = $width;
$new_height = ($width/$img_width) * $img_height;
$new_x = 0;
$new_y = ($height - $new_height) / 2;
} else {
$new_width = ($height/$img_height) * $img_width;
$new_height = $height;
$new_x = ($width - $new_width) / 2;
$new_y = 0;
}
imagecopyresampled($new_img, $img, $new_x, $new_y, 0, 0, $new_width, $new_height, $img_width, $img_height);
// Save thumbnail
if (is_writeable(dirname($thumb))) {
imagejpeg($new_img, $thumb, 100);
}
// Free up resources
imagedestroy($new_img);
imagedestroy($img);
?>
Sorry it took a while, I ran across a small bug in the calculation part which I was unable to fix for like 10 minutes =/ This should work.