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Viewing changes to docs/homepage/counter.php

  • Committer: Michael R. Head
  • Date: 2006-09-06 22:11:55 UTC
  • Revision ID: burner@n23-20060906221155-7e398d23438a7ee4
Add the files from the 3.0.1 release package

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docs/homepage/counter.php
 
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<?php
 
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        // counter.php the program to show the counter number.
 
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        function CounterImage() {
 
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           $counterLogFile = ".counter.log";
 
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           if (file_exists($counterLogFile) == true) {
 
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              if(($fp= fopen($counterLogFile, "r+")) == false) {
 
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                 printf("fopen of the file %s failed\n", $counterLogFile);
 
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                 exit;
 
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              }
 
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              if (($content = fread($fp, filesize($counterLogFile))) == false) {
 
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                 printf(" fread failed on the file %s\n", $counterLogFile);
 
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                 exit;
 
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              } else {
 
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                 $content=chop($content); //trim the return character
 
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                 if (($imageLocation = convertToImage($content)) == false) {
 
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                    printf("ConverttoImage failed\n");
 
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                    exit;
 
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                 } else {
 
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                    $content++;
 
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                    if (rewind($fp) == 0) {
 
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                       printf("rewind failed\n");
 
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                       exit;
 
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                    }
 
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                    if (!fwrite($fp, $content, strlen($content))) {
 
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                       printf("fwrite failed while updateing count in the file %s\n", $counterLogFile);
 
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                       exit;
 
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                    }
 
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                    return $imageLocation;
 
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                 }
 
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              }
 
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           }else {
 
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              if (($fp = fopen($counterLogFile, "w")) ==false) {
 
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                 printf("fopen of the file %s failed\n", $counterLogFile);
 
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                 exit;
 
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              }
 
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              if (!fwrite($fp, "1", 1)) {
 
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                 printf("fwrite failed on the file %s\n", $counterLogFile);
 
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                 exit;
 
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              }
 
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           }
 
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        }
 
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        function ConvertToImage($content) {
 
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           $imageFile = ".counter.png";
 
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           $relativePath = ".counter.png";
 
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           $noOfChars = strlen($content);
 
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           $charHeight = ImageFontHeight(5);
 
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           $charWidth = ImageFontWidth(5);
 
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           $strWidth = $charWidth * $noOfChars;
 
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           $strHeight = $charHeight;
 
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           //15 padding
 
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           $imgWidth = $strWidth + 15;
 
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           $imgHeight = $strHeight + 15;
 
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           $imgCenterX = $imgWidth /2;
 
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           $imgCenterY = $imgHeight /2;
 
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           $im = ImageCreate($imgWidth, $imgHeight);
 
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           $script = ImageColorAllocate($im, 0, 255, 0);
 
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           $outercolor = ImageColorAllocate($im, 99, 140, 214);
 
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           $innercolor = ImageColorAllocate($im, 0, 0, 0);
 
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           ImageFilledRectangle($im, 0, 0, $imgWidth, $imgHeight, $outercolor);
 
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           ImageFilledRectangle($im, 3, 3, $imgWidth -4, $imgHeight-4, $innercolor);
 
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           //draw string
 
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           $drawPosX = $imgCenterX - ($strWidth /2) +1;
 
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           $drawPosY = $imgCenterY - ($strHeight /2);
 
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           ImageString($im, 5, $drawPosX, $drawPosY, $content, $script);
 
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           //save image and return
 
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           ImagePNG($im, $imageFile);
 
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           return $relativePath;
 
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        }
 
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?>