diff options
Diffstat (limited to 'inc/functions.php')
| -rw-r--r-- | inc/functions.php | 99 |
1 files changed, 90 insertions, 9 deletions
diff --git a/inc/functions.php b/inc/functions.php index a42d0288..0c14ee18 100644 --- a/inc/functions.php +++ b/inc/functions.php @@ -309,28 +309,28 @@ return $res; } - function resize($type, $source_pic, $destination_pic, $max_width, $max_height) { - $return = Array(); - + function createimage($type, $source_pic) { switch($type) { case 'jpg': case 'jpeg': - $src = imagecreatefromjpeg($source_pic); + return imagecreatefromjpeg($source_pic); break; case 'png': - $src = imagecreatefrompng($source_pic); + return imagecreatefrompng($source_pic); break; case 'gif': - $src = imagecreatefromgif($source_pic); + return imagecreatefromgif($source_pic); break; case 'bmp': - $src = imagecreatefrombmp($source_pic); + return imagecreatefrombmp($source_pic); break; default: error('Unknwon file extension.'); } - - list($width,$height)=getimagesize($source_pic); + } + + function resize($src, $width, $height, $destination_pic, $max_width, $max_height) { + $return = Array(); $x_ratio = $max_width / $width; $y_ratio = $max_height / $height; @@ -362,4 +362,85 @@ return $return; } + + function imagebmp(&$img, $filename=""){ + $widthOrig = imagesx($img); + // width = 16*x + $widthFloor = ((floor($widthOrig/16))*16); + $widthCeil = ((ceil($widthOrig/16))*16); + $height = imagesy($img); + + $size = ($widthCeil*$height*3)+54; + + // Bitmap File Header + $result = 'BM'; // header (2b) + $result .= int_to_dword($size); // size of file (4b) + $result .= int_to_dword(0); // reserved (4b) + $result .= int_to_dword(54); // byte location in the file which is first byte of IMAGE (4b) + // Bitmap Info Header + $result .= int_to_dword(40); // Size of BITMAPINFOHEADER (4b) + $result .= int_to_dword($widthCeil); // width of bitmap (4b) + $result .= int_to_dword($height); // height of bitmap (4b) + $result .= int_to_word(1); // biPlanes = 1 (2b) + $result .= int_to_word(24); // biBitCount = {1 (mono) or 4 (16 clr ) or 8 (256 clr) or 24 (16 Mil)} (2b) + $result .= int_to_dword(0); // RLE COMPRESSION (4b) + $result .= int_to_dword(0); // width x height (4b) + $result .= int_to_dword(0); // biXPelsPerMeter (4b) + $result .= int_to_dword(0); // biYPelsPerMeter (4b) + $result .= int_to_dword(0); // Number of palettes used (4b) + $result .= int_to_dword(0); // Number of important colour (4b) + + // is faster than chr() + $arrChr = array(); + for($i=0; $i<256; $i++){ + $arrChr[$i] = chr($i); + } + + // creates image data + $bgfillcolor = array("red"=>0, "green"=>0, "blue"=>0); + + // bottom to top - left to right - attention blue green red !!! + $y=$height-1; + for ($y2=0; $y2<$height; $y2++) { + for ($x=0; $x<$widthFloor; ) { + $rgb = imagecolorsforindex($img, imagecolorat($img, $x++, $y)); + $result .= $arrChr[$rgb["blue"]].$arrChr[$rgb["green"]].$arrChr[$rgb["red"]]; + $rgb = imagecolorsforindex($img, imagecolorat($img, $x++, $y)); + $result .= $arrChr[$rgb["blue"]].$arrChr[$rgb["green"]].$arrChr[$rgb["red"]]; + $rgb = imagecolorsforindex($img, imagecolorat($img, $x++, $y)); + $result .= $arrChr[$rgb["blue"]].$arrChr[$rgb["green"]].$arrChr[$rgb["red"]]; + $rgb = imagecolorsforindex($img, imagecolorat($img, $x++, $y)); + $result .= $arrChr[$rgb["blue"]].$arrChr[$rgb["green"]].$arrChr[$rgb["red"]]; + $rgb = imagecolorsforindex($img, imagecolorat($img, $x++, $y)); + $result .= $arrChr[$rgb["blue"]].$arrChr[$rgb["green"]].$arrChr[$rgb["red"]]; + $rgb = imagecolorsforindex($img, imagecolorat($img, $x++, $y)); + $result .= $arrChr[$rgb["blue"]].$arrChr[$rgb["green"]].$arrChr[$rgb["red"]]; + $rgb = imagecolorsforindex($img, imagecolorat($img, $x++, $y)); + $result .= $arrChr[$rgb["blue"]].$arrChr[$rgb["green"]].$arrChr[$rgb["red"]]; + $rgb = imagecolorsforindex($img, imagecolorat($img, $x++, $y)); + $result .= $arrChr[$rgb["blue"]].$arrChr[$rgb["green"]].$arrChr[$rgb["red"]]; + } + for ($x=$widthFloor; $x<$widthCeil; $x++) { + $rgb = ($x<$widthOrig) ? imagecolorsforindex($img, imagecolorat($img, $x, $y)) : $bgfillcolor; + $result .= $arrChr[$rgb["blue"]].$arrChr[$rgb["green"]].$arrChr[$rgb["red"]]; + } + $y--; + } + + // see imagegif + if($filename==""){ + echo $result; + } else { + $file = fopen($filename, "wb"); + fwrite($file, $result); + fclose($file); + } + } + // imagebmp helpers + function int_to_dword($n){ + return chr($n & 255).chr(($n >> 8) & 255).chr(($n >> 16) & 255).chr(($n >> 24) & 255); + } + function int_to_word($n){ + return chr($n & 255).chr(($n >> 8) & 255); + } ?>
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