Moving imagecreatefrombmp to polyfill

1 files changed, 1 insertions, 164 deletions

diff --git a/inc/image.php b/inc/image.php
index 291f3e2a..34283b80 100644
--- a/inc/image.php
+++ b/inc/image.php
@@ -5,6 +5,7 @@
  */
 
 defined('TINYBOARD') or exit;
+require_once 'inc/polyfill.php';
 
 class Image {
 	public $src, $format, $image, $size;
@@ -497,169 +498,5 @@ class ImageBMP extends ImageBase {
 }
 
 
-/*********************************************/
-/* Fonction: imagecreatefrombmp              */
-/* Author:   DHKold                          */
-/* Contact:  admin@dhkold.com                */
-/* Date:     The 15th of June 2005           */
-/* Version:  2.0B                            */
-/*********************************************/
 
-function imagecreatefrombmp($filename) {
-   if (! $f1 = fopen($filename,"rb")) return FALSE;
-   $FILE = unpack("vfile_type/Vfile_size/Vreserved/Vbitmap_offset", fread($f1,14));
-   if ($FILE['file_type'] != 19778) return FALSE;
-   $BMP = unpack('Vheader_size/Vwidth/Vheight/vplanes/vbits_per_pixel'.
-				 '/Vcompression/Vsize_bitmap/Vhoriz_resolution'.
-				 '/Vvert_resolution/Vcolors_used/Vcolors_important', fread($f1,40));
-   $BMP['colors'] = pow(2,$BMP['bits_per_pixel']);
-   if ($BMP['size_bitmap'] == 0) $BMP['size_bitmap'] = $FILE['file_size'] - $FILE['bitmap_offset'];
-   $BMP['bytes_per_pixel'] = $BMP['bits_per_pixel']/8;
-   $BMP['bytes_per_pixel2'] = ceil($BMP['bytes_per_pixel']);
-   $BMP['decal'] = ($BMP['width']*$BMP['bytes_per_pixel']/4);
-   $BMP['decal'] -= floor($BMP['width']*$BMP['bytes_per_pixel']/4);
-   $BMP['decal'] = 4-(4*$BMP['decal']);
-   if ($BMP['decal'] == 4) $BMP['decal'] = 0;
-
-   $PALETTE = array();
-   if ($BMP['colors'] < 16777216)
-   {
-	$PALETTE = unpack('V'.$BMP['colors'], fread($f1,$BMP['colors']*4));
-   }
-
-   $IMG = fread($f1,$BMP['size_bitmap']);
-   $VIDE = chr(0);
-
-   $res = imagecreatetruecolor($BMP['width'],$BMP['height']);
-   $P = 0;
-   $Y = $BMP['height']-1;
-   while ($Y >= 0)
-   {
-	$X=0;
-	while ($X < $BMP['width'])
-	{
-	 if ($BMP['bits_per_pixel'] == 24)
-		$COLOR = unpack("V",substr($IMG,$P,3).$VIDE);
-	 elseif ($BMP['bits_per_pixel'] == 16)
-	 {  
-		$COLOR = unpack("n",substr($IMG,$P,2));
-		$COLOR[1] = $PALETTE[$COLOR[1]+1];
-	 }
-	 elseif ($BMP['bits_per_pixel'] == 8)
-	 {  
-		$COLOR = unpack("n",$VIDE.substr($IMG,$P,1));
-		$COLOR[1] = $PALETTE[$COLOR[1]+1];
-	 }
-	 elseif ($BMP['bits_per_pixel'] == 4)
-	 {
-		$COLOR = unpack("n",$VIDE.substr($IMG,floor($P),1));
-		if (($P*2)%2 == 0) $COLOR[1] = ($COLOR[1] >> 4) ; else $COLOR[1] = ($COLOR[1] & 0x0F);
-		$COLOR[1] = $PALETTE[$COLOR[1]+1];
-	 }
-	 elseif ($BMP['bits_per_pixel'] == 1)
-	 {
-		$COLOR = unpack("n",$VIDE.substr($IMG,floor($P),1));
-		if     (($P*8)%8 == 0) $COLOR[1] =  $COLOR[1]        >>7;
-		elseif (($P*8)%8 == 1) $COLOR[1] = ($COLOR[1] & 0x40)>>6;
-		elseif (($P*8)%8 == 2) $COLOR[1] = ($COLOR[1] & 0x20)>>5;
-		elseif (($P*8)%8 == 3) $COLOR[1] = ($COLOR[1] & 0x10)>>4;
-		elseif (($P*8)%8 == 4) $COLOR[1] = ($COLOR[1] & 0x8)>>3;
-		elseif (($P*8)%8 == 5) $COLOR[1] = ($COLOR[1] & 0x4)>>2;
-		elseif (($P*8)%8 == 6) $COLOR[1] = ($COLOR[1] & 0x2)>>1;
-		elseif (($P*8)%8 == 7) $COLOR[1] = ($COLOR[1] & 0x1);
-		$COLOR[1] = $PALETTE[$COLOR[1]+1];
-	 }
-	 else
-		return FALSE;
-	 imagesetpixel($res,$X,$Y,$COLOR[1]);
-	 $X++;
-	 $P += $BMP['bytes_per_pixel'];
-	}
-	$Y--;
-	$P+=$BMP['decal'];
-   }
-   fclose($f1);
-
- return $res;
-}
-
-function imagebmp(&$img, $filename='') {
-	$widthOrig = imagesx($img);
-	$widthFloor = ((floor($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);
-}