[RESOLVED] Trying to add white background and text to image with gd.

[matthewst]

What I'm trying to do:

resized|white background
image|and text here

here____|

What I currently have:

image here___| all white
not resized| no text
and looks_| displays
like a____|

negative___text__|_is cut off

Here is my code:

<?php
header("Content-type: image/jpg");

$insert = imagecreatefromjpeg("image.jpg"); 
$im = imagecreate(1300, 800);
$background = imagecolorallocatealpha($im, 255, 255, 255, 127);
imagecolortransparent($insert,imagecolorat($insert,50,50));
$insert_x = imagesx($insert); 
$insert_y = imagesy($insert); 
$text = "blah blah blah blah";
$text_color = imagecolorallocate($im, 233, 14, 91);
imagecopymerge($im,$insert,0,0,0,0,$insert_x,$insert_y,100); 
imagestring($im, 8, 1150, 300, $text, $text_color);
imagejpeg($im,"",100); 
?>

[matthewst]

Got the image resizer to work by including and external script but now my text doesn't show up at all.

<?php
header("Content-type: image/jpg");
include('imgsize.php');

$insert = imagecreatefromjpeg(resizeImage('image.jpg','','650')); 
$im = imagecreate(1300, 800);
$background = imagecolorallocatealpha($im, 255, 255, 255, 127);
imagecolortransparent($insert,imagecolorat($insert,50,50));
$insert_x = imagesx($insert); 
$insert_y = imagesy($insert); 
$text = "blah blah blah blah";
$text_color = imagecolorallocate($im, 233, 14, 91);
imagecopymerge($im,$insert,0,0,0,0,$insert_x,$insert_y,100); 
imagestring($im, 8, 1150, 300, $text, $text_color);
imagejpeg($im,"",100); 
?>

imagesize.php:

<?php
// Image Resize Script by Zipline Interactive
// http://www.gozipline.com
// http://www.gozipline.com/42,phpimageresizefunction
// [e-mail]
// 02/02/2008

// This will resize an image keeping its height/width aspect ratio if you do not specify a height value.

// USAGE:

// MAINTAIN ASPECT AND SAVE FILE.
// This will create a new files called 'resizedImage.jpg' with a longest side resized to 600px.
//    resizeImage('../uploads/uploadedImage.jpg','resizedImage.jpg','600'); 

// MATIAN ASPECT AND SHOW THE IMAGE IN THE BROWSER.
// No other output can be shown before this image.
//    resizeImage('../images/uploadedImage.jpg','','450');

// RESHAPE IMAGE WITH SET SIZES
// This will reshape the image to the set dimensions and save as a jpg file.
//    resizeImage('uploadedImage.jpg','../images/resized/resizedImage.jpg','150','150');


function resizeImage($source, $destination = NULL,$wdt, $height = NULL){
    if(empty($height)){
        // Height is nit set so we are keeping the same aspect ratio.
        list($width, $height) = getimagesize($source);
        if($width > $height){
            $w = $wdt;
            $h = ($height / $width) * $w;
            $w = $w;
        }else{
            $w = $wdt;
            $h = $w;
            $w = ($width / $height) * $w;
        }
    }else{
        // Both width and Height are set.
        // this will reshape to the new sizes.
        $w = $wdt;
        $h = $height;
    }
    $source_image = @file_get_contents($source) or die('Could not open'.$source);
    $source_image = @imagecreatefromstring($source_image) or die($source.' is not a valid image');
    $sw = imagesx($source_image);
    $sh = imagesy($source_image);
    $ar = $sw/$sh;
    $tar = $w/$h;
    if($ar >= $tar){
        $x1 = round(($sw - ($sw * ($tar/$ar)))/2);
        $x2 = round($sw * ($tar/$ar));
        $y1 = 0;
        $y2 = $sh;
    }else{
        $x1 = 0;
        $y1 = 0;
        $x2 = $sw;
        $y2 = round($sw/$tar);
    }
    $slate = @imagecreatetruecolor($w, $h) or die('Invalid thumbnail dimmensions');
    imagecopyresampled($slate, $source_image, 0, 0, $x1, $y1, $w, $h, $x2, $y2);
    // If $destination is not set this will output the raw image to the browser and not save the file
    if(!$destination) header('Content-type: image/jpeg');
    @imagejpeg($slate, $destination, 75) or die('Directory permission problem');
    ImageDestroy($slate);
    ImageDestroy($source_image);
    if(!$destination) exit;
    return true;
}
?>

Any Ideas?

[matthewst]

Am I in the right area?

[matthewst]

I could really use some guidance with this.

[matthewst]

Okay, I've been able to increase the canvas size which allowed me to place text outside the image. Now I'm trying to increase the text size as well as wrap it. Any time I try to do anything with imagettftext the page just displays the url. No image, no errors. Just http://www.mypage.com/blah.php

Any ideas?

<?php
header("Content-type: image/jpg");
//include('imgsize.php');
//$insert = imagecreatefromjpeg(resizeImage('image.jpg','','650')); 

$insert = imagecreatefromjpeg('image.jpg'); 
$im = imagecreate(1800, 600);
$background = imagecolorallocatealpha($im, 255, 255, 255, 127);
imagecolortransparent($insert,imagecolorat($insert,50,50));
$insert_x = imagesx($insert); 
$insert_y = imagesy($insert);
$font = 'arial.ttf'; 
$text = "watermark text";
$text2 = "blah blah blah \n blah blah blah";
$warpText = wordwrap($text2, 30, "\n");
$text_color = imagecolorallocate($im, 0, 0, 0);
$text_color2 = imagecolorallocate($im, 0, 0, 0);
imagecopymerge($im,$insert,0,0,0,0,$insert_x,$insert_y,100); 
imagestring($im, 8, 995, 568, $text, $text_color);
imagestring($im, $font, 1280, 20, $text2, $text_color2);
//imagettftext($im, 30, 0, 0, 0, $text_color2, $font, $warpText);
imagejpeg($im,"",75); 
?>

[matthewst]

Had to change $font = "arial.ttf" to $font = "./arial.ttf" to get imagettftext to work.

I'm still having trouble with the image looking like a negative though.

[matthewst]

Strange, if I change:

$insert = imagecreatefromjpeg('image.jpg');

to

$insert = imagecreatefromgif('image.gif');

I get color but it looks really low quality.

[matthewst]

When I change:

$im = imagecreate(1800, 600);

to

$im = imagecreatetruecolor(1800, 600);

The original image is flawless but the canvas or "background" turns black. If someone can tell me how to change that to white or transparent then I'll be all set.

[matthewst]

GOT IT!!

$insert = imagecreatefromjpeg('image.jpg');
$im = imagecreatetruecolor(1800, 600);
$white = imagecolorallocate($im, 255, 255, 255); 
imagefill ( $im, 0, 0, $white );

Thanks!