Cleaner code and whitespace.
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Savetheinternet
parent
25e4d3b6e9
commit
90dd6f5949
@ -409,84 +409,83 @@
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return $return;
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}
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function imagebmp(&$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($img);
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function imagebmp(&$img, $filename='') {
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$widthOrig = imagesx($img);
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$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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$size = ($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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$result .= int_to_dword(0); // Number of important colour (4b)
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// Bitmap File Header
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$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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// 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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$bgfillcolor = array("red"=>0, "green"=>0, "blue"=>0);
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// creates image data
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$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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$y--;
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}
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// bottom to top - left to right - attention blue green red !!!
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$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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// 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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