Tutorial: php gd bar graph

php gd bar graph


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This example shows how to create Bar Graph in php gd.

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php gd bar graph
<?php $data = array('3000','2470','225','663','6666','3456','789'); $sum = array_sum($data); $height = 255; $width = 320; $im = imagecreate($width,$height); $white = imagecolorallocate($im,255,255,255); $black
 
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<?php header("Content-type: image/png"); $arrval = array(12,123,21,32,77,85,166,176,163,121); $height = 260; $width = 330; $im...,'Line Graph by: Roseindia Technologies',$red); imagepng($im); ?> After
 
PHP GD Progress Bar
<?php header("Content-type: image/jpeg"); $current = isset($_GET['c']) ? $_GET['c'] : 50; $start = isset($_GET['s']) ? $_GET['s'] : 0; $end = isset($_GET['e']) ? $_GET['e'] : 100; $p = isset($_GET['p
 
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<?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 echo '<pre> '; print_r(gd_info()); echo '</pre> '; ?> After running the program you will get the following output Array ( [GD Version] => bundled (2.0.34 compatible) [FreeType Support
 
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PHP GD arc Function <?php $img = imagecreate(200, 200); $red = imagecolorallocate($img, 255, 0, 0); $black = imagecolorallocate($img, 0, 0, 0);  imagearc($img, 100, 100, 150, 150, 0, 360, $black);  header("Content-type
 
PHP GD image set pixel
<?php $x = 200; $y = 200; $gd = imagecreatetruecolor($x, $y...; 190); $red = imagecolorallocate($gd, 255, 255, 255); for ($i = 0; $i < 100000; $i++) { imagesetpixel($gd, round($x),round($y), $red
 
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<?php session_start(); class CaptchaSecurityImages { var $font = 'C:/WINNT/Fonts/arial.ttf'; function generateCode($characters) { $possible... initialize new GD image stream'); $background_color = imagecolorallocate($image
 
PHP GD imagesy
<?php $img = imagecreatetruecolor(300, 200); echo imagesy($img); ?> After running the program you will get the following output OUTPUT:200
 
PHP GD imagesx
<?php $img = imagecreatetruecolor(300, 200); echo imagesx($img); ?> After running the program you will get the following output OUTPUT :300
 
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 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 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 imagettfbox
<?php $im = imagecreatetruecolor(300, 150); $black...'; $bbox = imagettfbbox(10, 45, $font, 'PHP version ' . phpversion..., $black, $font, 'PHP version ' . phpversion()); $bbox = imagettfbbox(10
 
PHP GD fill image
<?php $im = imagecreatetruecolor(55, 30); $white = imagecolorallocate($im, 255, 255, 255); imagefilledrectangle($im, 4, 4, 50, 25, $white); imagejpeg($im, 'imagefilledrectangle.jpg'); echo("Image filled
 
PHP GD Merge Image
<?php $backgroundSource = "merge.jpg"; $feedBurnerStatsSource = "images.jpg"; $outputImage = imagecreatefromjpeg($backgroundSource); $feedBurnerStats = imagecreatefromjpeg($feedBurnerStatsSource
 
PHP GD image convolution
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PHP GD font size
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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_COLORIZE,255,0,0)){ throw new Exception(" Can't filter image"); } header
 
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
 
PHP GD image filter
<?php $logo1 = imagecreatefromjpeg('images.jpg'); $logo2 = imagecreatefromjpeg('images.jpg'); $output = imagecreatetruecolor(imagesx($logo1) * 2, imagesy($logo1)); imagefilter($logo1, IMG_FILTER_PIXELATE, 3); imagefilter
 
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 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 $file = 'images.jpg'; header('Content-type: image/jpeg'); list($width, $height) = getimagesize($file); $source = imagecreatefromjpeg($file); $bwimage= imagecreate($width, $height); for ($c=0;$c<256;$c
 
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<?php 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 art
<?php $width=200; $height=200; Header("Content-type: image/jpeg"); $im = imagecreate($width,$height); $white=ImageColorAllocate($im,255,255,255); $blue=ImageColorAllocate($im,1,18,250); $red=ImageColorAllocate
 
PHP GD graphics
<?php $img = imagecreate(250,80); $black = imagecolorallocate($img, 0, 0, 0); $white = imagecolorallocate($img, 255, 255, 255); $red = imagecolorallocate($img, 255, 0, 0); $green = imagecolorallocate($img, 0, 255
 
PHP GD circle
<?php $text = "RoseindiaRoseindiaRoseindiaRoseindiaRoseindia "; $image = imagecreatetruecolor(400,400); $white = imagecolorallocate($image,255,255,255); imagefill($image,0,0,$white); $red = imagecolorallocate
 
PHP GD Draw Rectangle
<?php header("Content-type: image/jpeg"); $width = 350; $height = 360; $im = ImageCreateTrueColor($width, $height); ImageAntiAlias($im, true); $white = ImageColorAllocate($im, 255, 255, 255
 
PHP GD add text to image
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PHP GD Punch
<?php $image = imagecreatefromjpeg("images.jpg"); $displacement = displacement($image); $image = imagedisplace($image,$displacement); header("Content-type: image/jpeg"); imagejpeg($image); imagedestroy
 
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 Captcha Refersh
index.php <?php session_start(); if(isset($_POST['submit_x']) &...;title>Captcha</title> </head> <body> <?php...;<?php echo $_SERVER['PHP_SELF']; ?>" method="post"
 
PHP GD imagesetbrush() Function
<?php $php = imagecreatefromjpeg('im.jpg'); $im...); imagefilledrectangle($im, 0, 0, 299, 99, $white); imagesetbrush($im, $php); imageline...'); imagejpeg($im); imagedestroy($im); imagedestroy($php); ?> After
 
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Bar Chart in Java
to draw simple bar chart in Java. A bar chart (bar graph) is a way of comparing two... Bar Chart in Java      ... or vertically oriented. We are providing you an example which shows the Bar
 
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 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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