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