ok
Mini Shell
<?php
class bmp {
var $mpdf = null;
function bmp(&$mpdf) {
$this->mpdf = $mpdf;
}
function _getBMPimage($data, $file) {
$info = array();
// Adapted from script by Valentin Schmidt
// http://staff.dasdeck.de/valentin/fpdf/fpdf_bmp/
$bfOffBits = $this->_fourbytes2int_le(substr($data, 10, 4));
$width = $this->_fourbytes2int_le(substr($data, 18, 4));
$height = $this->_fourbytes2int_le(substr($data, 22, 4));
$flip = ($height < 0);
if ($flip)
$height = -$height;
$biBitCount = $this->_twobytes2int_le(substr($data, 28, 2));
$biCompression = $this->_fourbytes2int_le(substr($data, 30, 4));
$info = array('w' => $width, 'h' => $height);
if ($biBitCount < 16) {
$info['cs'] = 'Indexed';
$info['bpc'] = $biBitCount;
$palStr = substr($data, 54, ($bfOffBits - 54));
$pal = '';
$cnt = strlen($palStr) / 4;
for ($i = 0; $i < $cnt; $i++) {
$n = 4 * $i;
$pal .= $palStr[$n + 2] . $palStr[$n + 1] . $palStr[$n];
}
$info['pal'] = $pal;
} else {
$info['cs'] = 'DeviceRGB';
$info['bpc'] = 8;
}
if ($this->mpdf->restrictColorSpace == 1 || $this->mpdf->PDFX || $this->mpdf->restrictColorSpace == 3) {
if (($this->mpdf->PDFA && !$this->mpdf->PDFAauto) || ($this->mpdf->PDFX && !$this->mpdf->PDFXauto)) {
$this->mpdf->PDFAXwarnings[] = "Image cannot be converted to suitable colour space for PDFA or PDFX file - " . $file . " - (Image replaced by 'no-image'.)";
}
return array('error' => "BMP Image cannot be converted to suitable colour space - " . $file . " - (Image replaced by 'no-image'.)");
}
$biXPelsPerMeter = $this->_fourbytes2int_le(substr($data, 38, 4)); // horizontal pixels per meter, usually set to zero
//$biYPelsPerMeter=$this->_fourbytes2int_le(substr($data,42,4)); // vertical pixels per meter, usually set to zero
$biXPelsPerMeter = round($biXPelsPerMeter / 1000 * 25.4);
//$biYPelsPerMeter=round($biYPelsPerMeter/1000 *25.4);
$info['set-dpi'] = $biXPelsPerMeter;
switch ($biCompression) {
case 0:
$str = substr($data, $bfOffBits);
break;
case 1: # BI_RLE8
$str = $this->rle8_decode(substr($data, $bfOffBits), $width);
break;
case 2: # BI_RLE4
$str = $this->rle4_decode(substr($data, $bfOffBits), $width);
break;
}
$bmpdata = '';
$padCnt = (4 - ceil(($width / (8 / $biBitCount))) % 4) % 4;
switch ($biBitCount) {
case 1:
case 4:
case 8:
$w = floor($width / (8 / $biBitCount)) + ($width % (8 / $biBitCount) ? 1 : 0);
$w_row = $w + $padCnt;
if ($flip) {
for ($y = 0; $y < $height; $y++) {
$y0 = $y * $w_row;
for ($x = 0; $x < $w; $x++)
$bmpdata .= $str[$y0 + $x];
}
} else {
for ($y = $height - 1; $y >= 0; $y--) {
$y0 = $y * $w_row;
for ($x = 0; $x < $w; $x++)
$bmpdata .= $str[$y0 + $x];
}
}
break;
case 16:
$w_row = $width * 2 + $padCnt;
if ($flip) {
for ($y = 0; $y < $height; $y++) {
$y0 = $y * $w_row;
for ($x = 0; $x < $width; $x++) {
$n = (ord($str[$y0 + 2 * $x + 1]) * 256 + ord($str[$y0 + 2 * $x]));
$b = ($n & 31) << 3;
$g = ($n & 992) >> 2;
$r = ($n & 31744) >> 7128;
$bmpdata .= chr($r) . chr($g) . chr($b);
}
}
} else {
for ($y = $height - 1; $y >= 0; $y--) {
$y0 = $y * $w_row;
for ($x = 0; $x < $width; $x++) {
$n = (ord($str[$y0 + 2 * $x + 1]) * 256 + ord($str[$y0 + 2 * $x]));
$b = ($n & 31) << 3;
$g = ($n & 992) >> 2;
$r = ($n & 31744) >> 7;
$bmpdata .= chr($r) . chr($g) . chr($b);
}
}
}
break;
case 24:
case 32:
$byteCnt = $biBitCount / 8;
$w_row = $width * $byteCnt + $padCnt;
if ($flip) {
for ($y = 0; $y < $height; $y++) {
$y0 = $y * $w_row;
for ($x = 0; $x < $width; $x++) {
$i = $y0 + $x * $byteCnt; # + 1
$bmpdata .= $str[$i + 2] . $str[$i + 1] . $str[$i];
}
}
} else {
for ($y = $height - 1; $y >= 0; $y--) {
$y0 = $y * $w_row;
for ($x = 0; $x < $width; $x++) {
$i = $y0 + $x * $byteCnt; # + 1
$bmpdata .= $str[$i + 2] . $str[$i + 1] . $str[$i];
}
}
}
break;
default:
return array('error' => 'Error parsing BMP image - Unsupported image biBitCount');
}
if ($this->mpdf->compress) {
$bmpdata = gzcompress($bmpdata);
$info['f'] = 'FlateDecode';
}
$info['data'] = $bmpdata;
$info['type'] = 'bmp';
return $info;
}
function _fourbytes2int_le($s) {
//Read a 4-byte integer from string
return (ord($s[3]) << 24) + (ord($s[2]) << 16) + (ord($s[1]) << 8) + ord($s[0]);
}
function _twobytes2int_le($s) {
//Read a 2-byte integer from string
return (ord(substr($s, 1, 1)) << 8) + ord(substr($s, 0, 1));
}
# Decoder for RLE8 compression in windows bitmaps
# see http://msdn.microsoft.com/library/default.asp?url=/library/en-us/gdi/bitmaps_6x0u.asp
function rle8_decode($str, $width) {
$lineWidth = $width + (3 - ($width - 1) % 4);
$out = '';
$cnt = strlen($str);
for ($i = 0; $i < $cnt; $i++) {
$o = ord($str[$i]);
switch ($o) {
case 0: # ESCAPE
$i++;
switch (ord($str[$i])) {
case 0: # NEW LINE
$padCnt = $lineWidth - strlen($out) % $lineWidth;
if ($padCnt < $lineWidth)
$out .= str_repeat(chr(0), $padCnt);# pad line
break;
case 1: # END OF FILE
$padCnt = $lineWidth - strlen($out) % $lineWidth;
if ($padCnt < $lineWidth)
$out .= str_repeat(chr(0), $padCnt);# pad line
break 3;
case 2: # DELTA
$i += 2;
break;
default: # ABSOLUTE MODE
$num = ord($str[$i]);
for ($j = 0; $j < $num; $j++)
$out .= $str[++$i];
if ($num % 2)
$i++;
}
break;
default:
$out .= str_repeat($str[++$i], $o);
}
}
return $out;
}
# Decoder for RLE4 compression in windows bitmaps
# see http://msdn.microsoft.com/library/default.asp?url=/library/en-us/gdi/bitmaps_6x0u.asp
function rle4_decode($str, $width) {
$w = floor($width / 2) + ($width % 2);
$lineWidth = $w + (3 - ( ($width - 1) / 2) % 4);
$pixels = array();
$cnt = strlen($str);
for ($i = 0; $i < $cnt; $i++) {
$o = ord($str[$i]);
switch ($o) {
case 0: # ESCAPE
$i++;
switch (ord($str[$i])) {
case 0: # NEW LINE
while (count($pixels) % $lineWidth != 0)
$pixels[] = 0;
break;
case 1: # END OF FILE
while (count($pixels) % $lineWidth != 0)
$pixels[] = 0;
break 3;
case 2: # DELTA
$i += 2;
break;
default: # ABSOLUTE MODE
$num = ord($str[$i]);
for ($j = 0; $j < $num; $j++) {
if ($j % 2 == 0) {
$c = ord($str[++$i]);
$pixels[] = ($c & 240) >> 4;
} else
$pixels[] = $c & 15;
}
if ($num % 2)
$i++;
}
break;
default:
$c = ord($str[++$i]);
for ($j = 0; $j < $o; $j++)
$pixels[] = ($j % 2 == 0 ? ($c & 240) >> 4 : $c & 15);
}
}
$out = '';
if (count($pixels) % 2)
$pixels[] = 0;
$cnt = count($pixels) / 2;
for ($i = 0; $i < $cnt; $i++)
$out .= chr(16 * $pixels[2 * $i] + $pixels[2 * $i + 1]);
return $out;
}
}
?>
Zerion Mini Shell 1.0