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Displaying 1 - 50 of about 4014 Related Tutorials.
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 PHP GD crop image
<?php
$src = imagecreatefromjpeg('image1.jpg');
$dest = imagecreatetruecolor(80,
40);
imagecopy($dest,
$src, 0,
0, 20,
13, 80,
40);
header('Content-Type:
image/jpeg');
imagegif($dest);
imagedestroy($dest
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PHP GD Library, PHP GD Tutorial
, resize, crop image on the fly.
In this section you will learn PHP GD Library in detail. Let?s get start with the PHP GD Library...The PHP GD Library is one of the most used image-processing libraries used
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PHP GD rotate image
<?php
$image = 'images.jpg';
$degrees = 180;
header('Content-type:
image/jpeg') ;
$source = imagecreatefromjpeg($image)
;
$rotate = imagerotate($source,
$degrees, 0)
;
imagejpeg($rotate)
;
?>
After running
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PHP GD watermark an Image
<?php
ini_set("display_errors",
"1");
error_reporting(E_ALL);
$image_src = 'images.jpg';
$watermark_src = 'watermark.jpg';
$opacity = 30;
$padding = 20;
$image = imagecreatefromjpeg($image_src
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PHP GD image convolution
<?php
$image = imagecreatefromjpeg('images.jpg');
$emboss = array(array(2,
0, 0),
array(0,
-1, 0),
array(0,
0, -1));
imageconvolution($image,
$emboss, 1,
127);
header('Content-Type:
image/jpeg');
imagejpeg($image
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PHP GD fill image
<?php
$im = imagecreatetruecolor(55,
30);
$white...);
imagejpeg($im,
'imagefilledrectangle.jpg');
echo("Image
filled... running the program you will get the following output
output: Image filled
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PHP GD image filter
<?php
$logo1 = imagecreatefromjpeg('images.jpg');
$logo2 = imagecreatefromjpeg('images.jpg');
$output = imagecreatetruecolor(imagesx($logo1)
* 2...);
imagedestroy($logo1);
imagedestroy($logo2);
header('Content-Type:
image/jpeg
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PHP GD image set pixel
<?php
$x = 200;
$y = 200;
$gd = imagecreatetruecolor($x,
$y...'])
/ 2;
}
header('Content-Type:
image/png');
imagepng($gd);
?>
After...; 190);
$red = imagecolorallocate($gd,
255, 255,
255);
for ($i
= 0;
$i
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PHP GD Hue an Image
<?php
$im = imagecreatefromJPEG('images.jpg');
echo 'Hue white&
black:' . imagecolorclosesthwb($im,
116, 115,
152);
imagedestroy($im);
?>
After running the program you will get the following output
OUTPUT:Hue
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PHP GD add text to image
PHP GD Add Text to Image Example
<?php
header ("Content-type:
image/jpeg");
$string = "This
is my text";
$font = 4;
$width = imagefontwidth($font)
* strlen($string) ;
$height = imagefontheight
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PHP GD Image Resize
<?php
$file = 'images.jpg';
$save = 'new.jpg';
list($width... = imagecreatetruecolor($modwidth,
$modheight) ;
$image = imagecreatefromjpeg($file)
;
imagecopyresampled($tn,
$image, 0,
0, 0,
0, $modwidth,
$modheight
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PHP GD copy of image
<?php
$src = imagecreatefromjpeg('images.jpg');
$dest = imagecreatetruecolor(80,
40);
imagecopy($dest,
$src, 0,
0, 20,
13, 80,
40);
header('Content-Type:
image/jpeg');
imagejpeg($dest);
imagedestroy($dest
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PHP GD Colorization of image
<?php
$im = imagecreatefromjpeg('images.jpg');
if($im
&& imagefilter($im,
IMG_FILTER_COLORIZE, 0,
255, 0))
{
echo 'Image
successfully shaded green.';
imagejpeg($im,
'images.jpg');
imagedestroy($im);
}
else
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PHP GD flip image
<?php
$image =
imagecreatefromjpeg("images.jpg");
$image =
flip($image,1,1);
header("Content-type:
image/jpeg");
imagejpeg($image);
imagedestroy($image);
function flip($i,$h=1,$v=0)
{
$width =
imagesx
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Jmagick crop image
Jmagick crop image hi,
How can I crop the images using Jmagick
Thanks.
hi,
To crop an image you can use the cropImage() method of MagickImage. Following code explains how an image may cropped
ImageInfo ii = new
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PHP GD image grayscale
<?php
$source_file = "images.jpg";
$im...*$imgh))
{
echo "The
image is grayscale.";
}
else
{
echo "The
image is NOT grayscale.";
}
?>
After running the program you
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PHP GD text on image
<?php
header("Content-Type:
image/jpeg");
$im = ImageCreateFromjpeg("images.jpg");
$black = ImageColorAllocate($im,
255, 255,
255);
$start_x = 10;
$start_y = 20;
Imagettftext($im,
12, 0,
$start
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PHP GD image to text
<?php
$file =
imagecreatefromjpeg("image1.jpg");
$bw =
0...);
}
$image =
imagecreatetruecolor($full_x,
$full_y);
imagecopyresized($image,
$file, 0,
0, 0,
0, imagesx($image),
imagesy($image),
imagesx($file
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About PHP GD
What is PHP GD Library
GD: The GD graphics library is a developed by Thomas..., PHP,
Tcl, Lua, REXX, Ruby etc.
The GD library is used to create dynamic image creation. GD is an open source
code library and written in 'C
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PHP GD image negative Color
<?php
function negate($image)
{
if(function_exists('imagefilter'))
{
return imagefilter($image,
IMG_FILTER_NEGATE);
}
for($x
= 0;
$x < imagesx($image);
++$x)
{
for($y
= 0;
$y < imagesy($image);
++$y)
{
$index
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PHP GD Merge Image
<?php
$backgroundSource = "merge.jpg";
$feedBurnerStatsSource = "images.jpg";
$outputImage = imagecreatefromjpeg...,$feedBurnerStatsX,$feedBurnerStatsY,100);
header('Content-type:
image/jpeg
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PHP GD image gamma correct
<?php
$im = imagecreatefromjpeg('im.jpg');
imagegammacorrect($im,
1.0, 1.537);
imagejpeg($im,
'php_gamma_corrected.jpeg');
echo("Image
corrected and saved successfully.");
imagedestroy($im);
?>
After
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PHP GD Set image brightness
<?php
$im = imagecreatefromjpeg('brightness.jpg');
if($im
&& imagefilter($im,
IMG_FILTER_BRIGHTNESS, 100))
{
echo 'Image...);
}
else
{
echo 'Image
brightness change failed.';
}
?>
After
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PHP GD filters
<?php
try{
if(!$image=imagecreatefromjpeg('images.jpg')){
throw new Exception('Error
creating image');
}
if(!imagefilter($image,IMG_FILTER...("Content-type:
image/jpeg");
imagejpeg($image);
imagedestroy($image
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PHP GD get image dimensions
<?php
if($img
= @GetImageSize("images.jpg"))
{
echo "image exists ,
here is some info<br>";
echo "width = $img...
{
echo"image does not
exist";
}
?>
After running
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PHP GD set image title
<?php
$zend = imagecreatefromjpeg('images.jpg');
$im = imagecreatetruecolor(200,
200);
imagesettile($im,
$zend);
imagefilledrectangle($im,
0, 0,
199, 199,
IMG_COLOR_TILED);
header('Content-Type:
image/jpeg');
imagejpeg
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PHP GD add text to image
PHP GD Add text to Images
<?php
$im = imagecreatetruecolor(300,
300);
$w = imagesx($im);
$h = imagesy($im);
$text...:
image/gif');
imagegif($im);
imagedestroy ($text);
imagedestroy($im);
?>
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PHP GD image Character up
<?php
$im = imagecreate(120,
120);
$string = 'This
is the text.';
$bg = imagecolorallocate($im,
255, 0,
0);
$black = imagecolorallocate...('Content-type:
image/png');
imagepng($im);
?>
After running the program you
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PHP GD Image into black and white
<?php
$i =
new imagethumbnail_blackandwhite();
$i->open("...-type:
image/jpeg;");
$i->imagejpeg();
class imagethumbnail
{
var $filename;
var $x;
var $y;
var $image;
var $thumbnail;
function
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PHP GD Grayscale
<?php
$file = 'images.jpg';
header('Content-type:
image/jpeg');
list($width,
$height) =
getimagesize($file);
$source = imagecreatefromjpeg($file);
$bwimage= imagecreate($width,
$height);
for ($c=0;$c<256;$c
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php gd image create from string
<?php
$String = 'iVBORw0KGgoAAAANSUhEUgAAABwAAAASCAMAAAB/2U7WAAAABl...'
. '8a5HSE35Q3eO2XP1A1wQkZSgETvDtKdQAAAABJRU5ErkJggg==';
$String = base64_decode($String);
$image = imagecreatefromstring($String);
if ($image
!== false)
{
header('Content-Type:
image/png
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About PHP GD Arc
PHP GD arc Function
<?php
$img = imagecreate(200, 200);
$red = imagecolorallocate($img, 255, 0, 0);
$black = imagecolorallocate($img, 0, 0, 0); ...: image/png");
imagepng($img);
imagedestroy($img);
?>
After running
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Crop Image
Crop Image
This section shows you how the image get crops.
To crop an image... image and a filter
object by using the class FilteredImageSource. To crop an image
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PHP GD imagecopyresampled
<?php
$filename = 'image1.jpg';
$percent = 0.2;
header('Content-type:
image/jpeg');
list($width,
$height) =
getimagesize($filename);
$new_width = $width
* $percent;
$new_height = $height
* $percent;
$image_p
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PHP GD Captcha Refersh
=
imagecreate($width, $height)
or die('Cannot
initialize new GD image stream...index.php
<?php
session_start();
if(isset($_POST['submit_x'])
&...($_POST['message']))
{
$data =
base64_decode($_SESSION['captcha_image_code
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PHP GD watermark on Images
<?php
$main_img = "main.jpg";
$watermark_img = "RI... = imagecreatefromjpeg($watermark_img);
$image = imagecreatefromjpeg($main_img);
if(!$image
|| !$watermark)
die("Error:
main image or watermark could not be loaded
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PHP GD captcha
_size =
$height * 0.75;
$image =
imagecreate($width, $height)
or die('Cannot
initialize new GD image stream');
$background_color =
imagecolorallocate($image...
<?php
session_start();
class CaptchaSecurityImages {
var $font
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PHP GD random bar chart on image
<?php
Header( "Content-type:
image/jpeg");
$im =
imagecreatefromjpeg( "images.jpg");
$red=ImageColorAllocate($im,255,0,0);
$green=ImageColorAllocate($im,0,255,0);
$blue=ImageColorAllocate($im,0,0,255
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PHP GD center text
<?php
$width = 400;
$height = 100;
$im = ImageCreate($width... - 1,
$border);
$text = 'This
is the text which is center of image...(($height
- $text_height)
/ 2);
$image_string = ImageString($im,
$font
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PHP GD gif
<?php
function LoadGif($imgname)
{
$im =
@imagecreatefromgif($imgname);
if(!$im)
{
$im =
imagecreatetruecolor (150,
30);
$bgc...:
image/gif');
$img = LoadGif('Roseindia');
imagegif($img);
imagedestroy($img
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PHP GD transparent png
<?php
$im = imagecreatetruecolor(55,
30);
$red = imagecolorallocate($im,
255, 0,
0);
$black = imagecolorallocate($im,
0, 0,
0...;Transparent
image created and saved successfully.");
?>
After
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PHP GD Replace Color
<?php
$image = "images.jpg";
$data = getimagesize($image... = imagecreatefromJPEG($image);
$color =
imagecolorallocate($im,hexdec(substr($hex,0,2... colormatch($image,$x,$y,$hex)
{
$rgb =
imagecolorat($image,$x,$y);
$r
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PHP GD bold text
<?php
header('Content-type:
image/png');
$image = imagecreatetruecolor(400,
30);
$red = imagecolorallocate($image,
255, 0,
0);
$grey = imagecolorallocate($image,
128, 128,
128);
$black = imagecolorallocate($image
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PHP GD xpm
<?php
if(!(imagetypes() & IMG_XPM))
{
die('Support
for xpm was not found!');
}
$xpm = imagecreatefromxpm('./example.xpm');
imagejpeg($im,
'./example.jpg', 100);
imagedestroy($im);
?>
After running the program
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PHP GD circle
<?php
$text =
"RoseindiaRoseindiaRoseindiaRoseindiaRoseindia
";
$image =
imagecreatetruecolor(400,400);
$white =
imagecolorallocate...:
image/jpeg");
imagejpeg($image,"",100);
imagedestroy($image
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PHP GD font size
<?php
header ("Content-type:
image/png");
$handle = ImageCreate (130,
50) or die
("Cannot Create
image");
$bg_color = ImageColorAllocate ($handle,
255, 0,
0);
$txt_color = ImageColorAllocate
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PHP GD draw text
<?php
header('Content-type:
image/png');
$im = imagecreatetruecolor(400,
30);
$white = imagecolorallocate($im,
255, 255,
255);
$grey = imagecolorallocate($im,
128, 128,
128);
$black = imagecolorallocate($im,
0, 0
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PHP GD imagettftext
<?php
header('Content-type:
image/png');
$im = imagecreatetruecolor(400,
30);
$white = imagecolorallocate($im,
255, 255,
255);
$grey = imagecolorallocate($im,
128, 128,
128);
$black = imagecolorallocate($im,
0, 0
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PHP GD imagettfbox
<?php
$im = imagecreatetruecolor(300,
150);
$black...';
$bbox = imagettfbbox(10,
45, $font,
'PHP version ' .
phpversion...,
$black, $font,
'PHP version ' .
phpversion());
$bbox = imagettfbbox(10
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PHP GD Add Border to image
<?php
$im = imagecreate(200,
60);
$bg = imagecolorallocate($im,
225, 225,
225);
$textcolor = imagecolorallocate($im,
0, 0,
255...,$y+$h,$bordercolors);
header("Content-type:
image/png");
imagepng
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