|
Displaying 1 - 50 of about 26073 Related Tutorials.
|
 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
|
About PHP GD
, PHP,
Tcl, Lua, REXX, Ruby etc.
The GD library is used to create...' and wrappers are available for Perl, PHP and
other languages. GD can create images... to enable GD option in WAMP:
i) Run WAMP server:
ii) Select PHP settings from PHP
|
PHP GD Create Thumbnail
<?php
$i =
new imagethumbnail();
$i->open("index.jpg");
$i->setX(100);
header("Content-type:
image/jpeg;");
$i->imagejpeg();
class imagethumbnail
{
var $filename;
var $x;
var $y;
var $image
|
|
|
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
|
PHP GD Library, PHP GD Tutorial
The PHP GD Library is one of the most used image-processing libraries used in the PHP programs. IT is one of the robust library to create GIF, JPG and PNG..., resize, crop image on the fly.
In this section you will learn PHP GD Library
|
|
|
PHP GD image Character up
<?php
$im = imagecreate(120,
120);
$string = 'This
is the text...($im,
0, 0,
0);
imagecharup($im,
5, 13,
13, $string,
$black);
header('Content-type:
image/png');
imagepng($im);
?>
After running the program you
|
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($img
|
PHP GD center text
(($height
- $text_height)
/ 2);
$image_string = ImageString($im,
$font...
<?php
$width = 400;
$height = 100;
$im = ImageCreate($width... - 1,
$border);
$text = 'This
is the text which is center of image
|
PHP GD Pie Chart
<?php
$image = imagecreatetruecolor(300,
300);
$white = imagecolorallocate($image,
0xFF, 0xFF,
0xFF);
$gray = imagecolorallocate($image,
0xC0, 0xC0,
0xC0);
$darkgray = imagecolorallocate($image,
0x90, 0x90,
0x90
|
php gd background color
<?php
header("Content-type:
image/png");
$width = 350;
$height = 360;
$im =
ImageCreateTrueColor($width,
$height);
$red = ImageColorAllocate($im,
255, 0,
0);
ImageFillToBorder($im,
0, 0,
$red, $red
|
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
|
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
|
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
|
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
|
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
|
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
|
php gd bar graph
<?php
$data =
array('3000','2470','225','663','6666','3456','789');
$sum =
array_sum($data);
$height =
255;
$width =
320;
$im =
imagecreate...+20);
}
imagejpeg($im);
header("Content-type:
image/jpeg"
|
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
|
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
|
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
|
Php gd hello world
/Fonts/arial.ttf';
$string = 'Hello
World!';
imagettftext ($image,
30, 0,
10, 130,
$white, $font_path,
$string);
imagegif($image);
imagedestroy($image...
<?php
ini_set("display_errors",
"1");
error
|
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
|
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
|
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
|
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
|
PHP GD draw line
<?php
header ("Content-type:
image/jpeg");
$handle = ImageCreate (130,
50) or die
("Cannot Create
image");
$bg_color = ImageColorAllocate ($handle,
255, 0,
0);
$txt_color = ImageColorAllocate
|
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
|
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
|
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
|
PHP GD get gd information
<?php
echo '<pre> ';
print_r(gd_info());
echo '</pre>...
Array
(
[GD Version] => bundled (2.0.34 compatible)
[FreeType Support...;
[GIF Read Support] => 1
[GIF Create Support] => 1
[JPEG
|
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
|
PHP GD Merge Image
<?php
$backgroundSource = "merge.jpg";
$feedBurnerStatsSource = "images.jpg";
$outputImage = imagecreatefromjpeg...,$feedBurnerStatsX,$feedBurnerStatsY,100);
header('Content-type:
image/jpeg
|
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
|
PHP GD Set image brightness
<?php
$im = imagecreatefromjpeg('brightness.jpg');
if($im
&& imagefilter($im,
IMG_FILTER_BRIGHTNESS, 100))
{
echo 'Image...);
}
else
{
echo 'Image
brightness change failed.';
}
?>
After
|
PHP GD filters
<?php
try{
if(!$image=imagecreatefromjpeg('images.jpg')){
throw new Exception('Error
creating image');
}
if(!imagefilter($image,IMG_FILTER...("Content-type:
image/jpeg");
imagejpeg($image);
imagedestroy($image
|
PHP GD get image dimensions
<?php
if($img
= @GetImageSize("images.jpg"))
{
echo "image exists ,
here is some info<br>";
echo "width = $img...
{
echo"image does not
exist";
}
?>
After running
|
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
|
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);
?>
|
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
|
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
|
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
|
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;
$image_p
|
PHP GD Captcha Refersh
=
imagecreate($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
|
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
|
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
|
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
|
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
|
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
|
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
|
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
|
