5tarl0rd

<?php

//////////////////////////////////////////////////////////////

///  phpThumb() by James Heinrich <info@silisoftware.com>   //

//        available at http://phpthumb.sourceforge.net     ///

//////////////////////////////////////////////////////////////

///                                                         //

// phpthumb.ico.php - .ICO output format functions          //

//                                                         ///

//////////////////////////////////////////////////////////////





class phpthumb_ico {



	function phpthumb_ico() {

		return true;

	}





	function GD2ICOstring(&$gd_image_array) {

		foreach ($gd_image_array as $key => $gd_image) {



			$ImageWidths[$key]  = ImageSX($gd_image);

			$ImageHeights[$key] = ImageSY($gd_image);

	    	$bpp[$key]          = ImageIsTrueColor($gd_image) ? 32 : 24;

	    	$totalcolors[$key]  = ImageColorsTotal($gd_image);



			$icXOR[$key] = '';

			for ($y = $ImageHeights[$key] - 1; $y >= 0; $y--) {

				for ($x = 0; $x < $ImageWidths[$key]; $x++) {

					$argb = phpthumb_functions::GetPixelColor($gd_image, $x, $y);

					$a = round(255 * ((127 - $argb['alpha']) / 127));

					$r = $argb['red'];

					$g = $argb['green'];

					$b = $argb['blue'];



					if ($bpp[$key] == 32) {

						$icXOR[$key] .= chr($b).chr($g).chr($r).chr($a);

					} elseif ($bpp[$key] == 24) {

						$icXOR[$key] .= chr($b).chr($g).chr($r);

					}



					if ($a < 128) {

						@$icANDmask[$key][$y] .= '1';

					} else {

						@$icANDmask[$key][$y] .= '0';

					}

				}

				// mask bits are 32-bit aligned per scanline

				while (strlen($icANDmask[$key][$y]) % 32) {

					$icANDmask[$key][$y] .= '0';

				}

			}

			$icAND[$key] = '';

			foreach ($icANDmask[$key] as $y => $scanlinemaskbits) {

				for ($i = 0; $i < strlen($scanlinemaskbits); $i += 8) {

					$icAND[$key] .= chr(bindec(str_pad(substr($scanlinemaskbits, $i, 8), 8, '0', STR_PAD_LEFT)));

				}

			}



		}



	    foreach ($gd_image_array as $key => $gd_image) {

			$biSizeImage = $ImageWidths[$key] * $ImageHeights[$key] * ($bpp[$key] / 8);



	    	// BITMAPINFOHEADER - 40 bytes

			$BitmapInfoHeader[$key]  = '';

			$BitmapInfoHeader[$key] .= "\x28\x00\x00\x00";                              // DWORD  biSize;

			$BitmapInfoHeader[$key] .= phpthumb_functions::LittleEndian2String($ImageWidths[$key], 4);      // LONG   biWidth;

			// The biHeight member specifies the combined

			// height of the XOR and AND masks.

			$BitmapInfoHeader[$key] .= phpthumb_functions::LittleEndian2String($ImageHeights[$key] * 2, 4); // LONG   biHeight;

	    	$BitmapInfoHeader[$key] .= "\x01\x00";                                      // WORD   biPlanes;

	   		$BitmapInfoHeader[$key] .= chr($bpp[$key])."\x00";                          // wBitCount;

			$BitmapInfoHeader[$key] .= "\x00\x00\x00\x00";                              // DWORD  biCompression;

			$BitmapInfoHeader[$key] .= phpthumb_functions::LittleEndian2String($biSizeImage, 4);            // DWORD  biSizeImage;

	    	$BitmapInfoHeader[$key] .= "\x00\x00\x00\x00";                              // LONG   biXPelsPerMeter;

	    	$BitmapInfoHeader[$key] .= "\x00\x00\x00\x00";                              // LONG   biYPelsPerMeter;

	    	$BitmapInfoHeader[$key] .= "\x00\x00\x00\x00";                              // DWORD  biClrUsed;

	    	$BitmapInfoHeader[$key] .= "\x00\x00\x00\x00";                              // DWORD  biClrImportant;

		}





		$icondata  = "\x00\x00";                                      // idReserved;   // Reserved (must be 0)

		$icondata .= "\x01\x00";                                      // idType;       // Resource Type (1 for icons)

		$icondata .= phpthumb_functions::LittleEndian2String(count($gd_image_array), 2);  // idCount;      // How many images?



		$dwImageOffset = 6 + (count($gd_image_array) * 16);

		foreach ($gd_image_array as $key => $gd_image) {

	    	// ICONDIRENTRY   idEntries[1]; // An entry for each image (idCount of 'em)



	    	$icondata .= chr($ImageWidths[$key]);                     // bWidth;          // Width, in pixels, of the image

	    	$icondata .= chr($ImageHeights[$key]);                    // bHeight;         // Height, in pixels, of the image

	    	$icondata .= chr($totalcolors[$key]);                     // bColorCount;     // Number of colors in image (0 if >=8bpp)

	    	$icondata .= "\x00";                                      // bReserved;       // Reserved ( must be 0)



	    	$icondata .= "\x01\x00";                                  // wPlanes;         // Color Planes

			$icondata .= chr($bpp[$key])."\x00";                      // wBitCount;       // Bits per pixel



			$dwBytesInRes = 40 + strlen($icXOR[$key]) + strlen($icAND[$key]);

			$icondata .= phpthumb_functions::LittleEndian2String($dwBytesInRes, 4);       // dwBytesInRes;    // How many bytes in this resource?



		    $icondata .= phpthumb_functions::LittleEndian2String($dwImageOffset, 4);      // dwImageOffset;   // Where in the file is this image?

			$dwImageOffset += strlen($BitmapInfoHeader[$key]);

			$dwImageOffset += strlen($icXOR[$key]);

			$dwImageOffset += strlen($icAND[$key]);

	    }



	    foreach ($gd_image_array as $key => $gd_image) {

			$icondata .= $BitmapInfoHeader[$key];

			$icondata .= $icXOR[$key];

			$icondata .= $icAND[$key];

	    }



	    return $icondata;

	}



}



?>