note 58521 deleted from ref.image by tularis

From: Date: Sun, 29 Jun 2008 21:04:10 +0000
Subject: note 58521 deleted from ref.image by tularis
References: 1  Groups: php.notes 
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Note Submitter: skumar2k15 [at] gmail [dot] com ---- Generate a line graphs on-the-fly through php image functions. <br> code for linechart.php <? // Add values to the graph $graphValues=array(0,80,23,11,190,245,50,80,111,240,55); // Define .PNG image header("Content-type: image/png"); $imgWidth=250; $imgHeight=250; // Create image and define colors $image=imagecreate($imgWidth, $imgHeight); $colorWhite=imagecolorallocate($image, 255, 255, 255); $colorGrey=imagecolorallocate($image, 192, 192, 192); $colorBlue=imagecolorallocate($image, 0, 0, 255); // Create border around image imageline($image, 0, 0, 0, 250, $colorGrey); imageline($image, 0, 0, 250, 0, $colorGrey); imageline($image, 249, 0, 249, 249, $colorGrey); imageline($image, 0, 249, 249, 249, $colorGrey); // Create grid for ($i=1; $i<11; $i++){ imageline($image, $i*25, 0, $i*25, 250, $colorGrey); imageline($image, 0, $i*25, 250, $i*25, $colorGrey); } // Create line graph for ($i=0; $i<10; $i++){ imageline($image, $i*25, (250-$graphValues[$i]), ($i+1)*25, (250-$graphValues[$i+1]), $colorBlue); } // Output graph and clear image from memory imagepng($image); imagedestroy($image); ?> Thanks and regards, skumar k.

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