Jump to content

[SOLVED] Problem GD And BMP

kakashi86

By kakashi86
in PHP Coding Help

Recommended Posts

kakashi86 Newbie

kakashi86

Posted
Posted

Hello guys I have a problem with the GD library.

I have a PHP class that allows me to resize the images.

I added a function to convert Bmp to Jpg, but the script I'm wrong and I am always resize the once instead of them all together

class Resize_Image {

var $image_to_resize;
var $new_width;
var $new_height;
var $ratio;
var $new_image_name;
var $save_folder;

function resize()
{
if(!file_exists($this->image_to_resize))
{
  exit("File ".$this->image_to_resize." does not exist.");
}

$info = GetImageSize($this->image_to_resize);

if(empty($info))
{
  exit("The file ".$this->image_to_resize." doesn't seem to be an image.");
}

$width = $info[0];
$height = $info[1];
$mime = $info['mime'];

/* Keep Aspect Ratio? */

if($this->ratio)
{
    if($width > $this->new_width || $height > $this->new_height){
        if($width > $height){
            $factor = (float)$this->new_width / (float)$width;
            $this->new_height = $factor * $height;
        }
        else
        {
            $factor = (float)$this->new_height / (float)$height;
            $this->new_width = $factor * $width;
        }
    }
    else
    {
        $this->new_width = $width ;
        $this->new_height = $height;
    }
}

// What sort of image?
$type = substr(strrchr($mime, '/'), 1);

switch ($type)
{
case 'jpeg':
case 'jpg' :
case 'JPG' :
    $image_create_func = 'ImageCreateFromJPEG';
    $image_save_func = 'ImageJPEG';
    $new_image_ext = 'jpg';
    break;

case 'png':
    $image_create_func = 'ImageCreateFromPNG';
    $image_save_func = 'ImageJPEG';
    $new_image_ext = 'jpg';
    break;

case 'bmp':
    $image_create_func = 'ImageCreateFromBMP';
    $image_save_func = 'ImageJPEG';
    $new_image_ext = 'jpg';
    break;

case 'gif':
    $image_create_func = 'ImageCreateFromGIF';
    $image_save_func = 'ImageJPEG';
    $new_image_ext = 'jpg';
    break;

case 'vnd.wap.wbmp':
    $image_create_func = 'ImageCreateFromWBMP';
    $image_save_func = 'ImageJPEG';
    $new_image_ext = 'jpg';
    break;

case 'xbm':
    $image_create_func = 'ImageCreateFromXBM';
    $image_save_func = 'ImageJPEG';
    $new_image_ext = 'jpg';
    break;

default:
    $image_create_func = 'ImageCreateFromJPEG';
    $image_save_func = 'ImageJPEG';
    $new_image_ext = 'jpg';
}

function imagecreatefrombmp($p_sFile)
    {
        //    Load the image into a string
        $file    =    fopen($p_sFile,"rb");
        $read    =    fread($file,10);
        while(!feof($file)&&($read<>""))
            $read    .=    fread($file,1024);
       
        $temp    =    unpack("H*",$read);
        $hex    =    $temp[1];
        $header    =    substr($hex,0,108);
       
        //    Process the header
        //    Structure: <a href="http://www.fastgraph.com/help/bmp_header_format.html" target="_blank">http://www.fastgraph.com/help/bmp_header_format.html</a>
        if (substr($header,0,4)=="424d")
        {
            //    Cut it in parts of 2 bytes
            $header_parts    =    str_split($header,2);
           
            //    Get the width        4 bytes
            $width            =    hexdec($header_parts[19].$header_parts[18]);
           
            //    Get the height        4 bytes
            $height            =    hexdec($header_parts[23].$header_parts[22]);
           
            //    Unset the header params
            unset($header_parts);
        }
       
        //    Define starting X and Y
        $x                =    0;
        $y                =    1;
       
        //    Create newimage
        $image            =    imagecreatetruecolor($width,$height);
       
        //    Grab the body from the image
        $body            =    substr($hex,108);

        //    Calculate if padding at the end-line is needed
        //    Divided by two to keep overview.
        //    1 byte = 2 HEX-chars
        $body_size        =    (strlen($body)/2);
        $header_size    =    ($width*$height);

        //    Use end-line padding? Only when needed
        $usePadding        =    ($body_size>($header_size*3)+4);
       
        //    Using a for-loop with index-calculation instaid of str_split to avoid large memory consumption
        //    Calculate the next DWORD-position in the body
        for ($i=0;$i<$body_size;$i+=3)
        {
            //    Calculate line-ending and padding
            if ($x>=$width)
            {
                //    If padding needed, ignore image-padding
                //    Shift i to the ending of the current 32-bit-block
                if ($usePadding)
                    $i    +=    $width%4;
               
                //    Reset horizontal position
                $x    =    0;
               
                //    Raise the height-position (bottom-up)
                $y++;
               
                //    Reached the image-height? Break the for-loop
                if ($y>$height)
                    break;
            }
           
            //    Calculation of the RGB-pixel (defined as BGR in image-data)
            //    Define $i_pos as absolute position in the body
            $i_pos    =    $i*2;
            $r        =    hexdec($body[$i_pos+4].$body[$i_pos+5]);
            $g        =    hexdec($body[$i_pos+2].$body[$i_pos+3]);
            $b        =    hexdec($body[$i_pos].$body[$i_pos+1]);
           
            //    Calculate and draw the pixel
            $color    =    imagecolorallocate($image,$r,$g,$b);
            imagesetpixel($image,$x,$height-$y,$color);
           
            //    Raise the horizontal position
            $x++;
        }
       
        //    Unset the body / free the memory
        unset($body);
       
        //    Return image-object
        return $image;
    }
    if($type != "bmp"){
        // New Image
        $image_c = ImageCreateTrueColor($this->new_width, $this->new_height);    
        $new_image = $image_create_func($this->image_to_resize);
        ImageCopyResampled($image_c, $new_image, 0, 0, 0, 0, $this->new_width, $this->new_height, $width, $height);
    }

            if($this->save_folder)
            {
               if($this->new_image_name)
               {
               $new_name = $this->new_image_name.'.'.$new_image_ext;
               }
               else
               {
               $new_name = $this->new_thumb_name(basename($this->image_to_resize)).'_resized.'.$new_image_ext;
               }

            $save_path = $this->save_folder.$new_name;
            }
            else
            {
            /* Show the image without saving it to a folder */
               header("Content-Type: ".$mime);

               $image_save_func($image_c,60);

               $save_path = '';
            }
        if($type != "bmp"){
            $process = $image_save_func($image_c, $save_path,60);
        }
            return array('result' => $process, 'new_file_path' => $save_path);

        }

    function new_thumb_name($filename)
    {
        $string = trim($filename);
        $string = strtolower($string);
        $string = trim(ereg_replace("[^ A-Za-z0-9_]", " ", $string));
        $string = ereg_replace("[ tnr]+", "_", $string);
        $string = str_replace(" ", '_', $string);
        $string = ereg_replace("[ _]+", "_", $string);

        return $string;
    }

 

 

The error that gives me is this Fatal error: Can not redeclare imagecreatefrombmp () (previously declared in C: \ AppServ \ www \ libs \ thumbnail.inc.php: 767) in C: \ AppServ \ www \ libs \ thumbnail.inc . php on line 767

 

you know help me?

Link to comment
https://forums.phpfreaks.com/topic/160179-solved-problem-gd-and-bmp/
Share on other sites
kakashi86 Newbie

kakashi86

Posted
  • Author
Posted

fix

 

class Resize_Image {

var $image_to_resize;
var $new_width;
var $new_height;
var $ratio;
var $new_image_name;
var $save_folder;

function resize()
{
if(!file_exists($this->image_to_resize))
{
  exit("File ".$this->image_to_resize." does not exist.");
}

$info = GetImageSize($this->image_to_resize);

if(empty($info))
{
  exit("The file ".$this->image_to_resize." doesn't seem to be an image.");
}

$width = $info[0];
$height = $info[1];
$mime = $info['mime'];

/* Keep Aspect Ratio? */

if($this->ratio)
{
if($width > $this->new_width || $height > $this->new_height){
	if($width > $height){
		$factor = (float)$this->new_width / (float)$width;
		$this->new_height = $factor * $height;
	}
	else
	{
		$factor = (float)$this->new_height / (float)$height;
		$this->new_width = $factor * $width;
	}
}
else
{
	$this->new_width = $width ;
	$this->new_height = $height;
}
}

// What sort of image?
$type = substr(strrchr($mime, '/'), 1);

function ConvertBMP2GD($src, $dest = false) {
if(!($src_f = fopen($src, "rb"))) {
	return false;
}
if(!($dest_f = fopen($dest, "wb"))) {
	return false;
}
$header = unpack("vtype/Vsize/v2reserved/Voffset", fread($src_f,14));
$info = unpack("Vsize/Vwidth/Vheight/vplanes/vbits/Vcompression/Vimagesize/Vxres/Vyres/Vncolor/Vimportant",fread($src_f, 40));

extract($info);
extract($header);

if($type != 0x4D42) { // signature "BM"
	return false;
}

$palette_size = $offset - 54;
$ncolor = $palette_size / 4;
$gd_header = "";
// true-color vs. palette
$gd_header .= ($palette_size == 0) ? "\xFF\xFE" : "\xFF\xFF";
$gd_header .= pack("n2", $width, $height);
$gd_header .= ($palette_size == 0) ? "\x01" : "\x00";
if($palette_size) {
	$gd_header .= pack("n", $ncolor);
}
// no transparency
$gd_header .= "\xFF\xFF\xFF\xFF";

fwrite($dest_f, $gd_header);

if($palette_size) {
	$palette = fread($src_f, $palette_size);
	$gd_palette = "";
	$j = 0;
	while($j < $palette_size) {
		$b = $palette{$j++};
		$g = $palette{$j++};
		$r = $palette{$j++};
		$a = $palette{$j++};
		$gd_palette .= "$r$g$b$a";
	}
$gd_palette .= str_repeat("\x00\x00\x00\x00", 256 - $ncolor);
fwrite($dest_f, $gd_palette);
}

$scan_line_size = (($bits * $width) + 7) >> 3;
$scan_line_align = ($scan_line_size & 0x03) ? 4 - ($scan_line_size &
0x03) : 0;

for($i = 0, $l = $height - 1; $i < $height; $i++, $l--) {
	// BMP stores scan lines starting from bottom
	fseek($src_f, $offset + (($scan_line_size + $scan_line_align) *
	$l));
	$scan_line = fread($src_f, $scan_line_size);
	if($bits == 24) {
		$gd_scan_line = "";
		$j = 0;
		while($j < $scan_line_size) {
			$b = $scan_line{$j++};
			$g = $scan_line{$j++};
			$r = $scan_line{$j++};
			$gd_scan_line .= "\x00$r$g$b";
		}
	}
	else if($bits ==  {
		$gd_scan_line = $scan_line;
	}
	else if($bits == 4) {
		$gd_scan_line = "";
		$j = 0;
		while($j < $scan_line_size) {
			$byte = ord($scan_line{$j++});
			$p1 = chr($byte >> 4);
			$p2 = chr($byte & 0x0F);
			$gd_scan_line .= "$p1$p2";
		} 
		$gd_scan_line = substr($gd_scan_line, 0, $width);
	}
	else if($bits == 1)
	{
		$gd_scan_line = "";
		$j = 0;
		while($j < $scan_line_size) {
		$byte = ord($scan_line{$j++});
		$p1 = chr((int) (($byte & 0x80) != 0));
		$p2 = chr((int) (($byte & 0x40) != 0));
		$p3 = chr((int) (($byte & 0x20) != 0));
		$p4 = chr((int) (($byte & 0x10) != 0));
		$p5 = chr((int) (($byte & 0x08) != 0));
		$p6 = chr((int) (($byte & 0x04) != 0));
		$p7 = chr((int) (($byte & 0x02) != 0));
		$p8 = chr((int) (($byte & 0x01) != 0));
		$gd_scan_line .= "$p1$p2$p3$p4$p5$p6$p7$p8";
	} 
		$gd_scan_line = substr($gd_scan_line, 0, $width);
	}

	fwrite($dest_f, $gd_scan_line);
}
fclose($src_f);
fclose($dest_f);
return true;
}

function imagecreatefrombmp($filename) {
$tmp_name = tempnam("/tmp", "GD");
if(ConvertBMP2GD($filename, $tmp_name))
{
	$img = imagecreatefromgd($tmp_name);
	unlink($tmp_name);
	return $img;
} 
return false;
} 

switch ($type)
{
case 'jpeg':
case 'jpg' :
case 'JPG' :
    $image_create_func = 'ImageCreateFromJPEG';
    $image_save_func = 'ImageJPEG';
$new_image_ext = 'jpg';
    break;

case 'png':
    $image_create_func = 'ImageCreateFromPNG';
    $image_save_func = 'ImageJPEG';
$new_image_ext = 'jpg';
    break;

case 'bmp':
    //$image_create_func = 'imagecreatefrombmp';
    $image_save_func = 'ImageJPEG';
$new_image_ext = 'jpg';
    break;

case 'gif':
    $image_create_func = 'ImageCreateFromGIF';
    $image_save_func = 'ImageJPEG';
$new_image_ext = 'jpg';
    break;

case 'vnd.wap.wbmp':
    $image_create_func = 'ImageCreateFromWBMP';
    $image_save_func = 'ImageJPEG';
$new_image_ext = 'jpg';
    break;

case 'xbm':
    $image_create_func = 'ImageCreateFromXBM';
    $image_save_func = 'ImageJPEG';
$new_image_ext = 'jpg';
    break;

default:
$image_create_func = 'ImageCreateFromJPEG';
    $image_save_func = 'ImageJPEG';
$new_image_ext = 'jpg';
}

	// New Image
	$image_c = ImageCreateTrueColor($this->new_width, $this->new_height);	
	if($type != "bmp"){
		$new_image = $image_create_func($this->image_to_resize);}
	else{
		$new_image = imagecreatefrombmp($this->image_to_resize);}
	ImageCopyResampled($image_c, $new_image, 0, 0, 0, 0, $this->new_width, $this->new_height, $width, $height);

		if($this->save_folder)
		{
		   if($this->new_image_name)
		   {
				$new_name = $this->new_image_name.'.'.$new_image_ext;
		   }
		   else
		   {
				$new_name = $this->new_thumb_name(basename($this->image_to_resize)).'.'.$new_image_ext;
		   }

				$save_path = $this->save_folder.$new_name;
		}
		else
		{
			/* Show the image without saving it to a folder */
		   header("Content-Type: ".$mime);
		   $image_save_func($image_c,60);
		   $save_path = '';
		}
		$process = $image_save_func($image_c, $save_path,60);
		return array('result' => $process, 'new_file_path' => $save_path);

function new_thumb_name($filename)
{
	$string = trim($filename);
	$string = strtolower($string);
	$string = trim(ereg_replace("[^ A-Za-z0-9_]", " ", $string));
	$string = ereg_replace("[ tnr]+", "_", $string);
	$string = str_replace(" ", '_', $string);
	$string = ereg_replace("[ _]+", "_", $string);

	return $string;
}
}
}

 

;D

Archived

This topic is now archived and is closed to further replies.

Go to topic listing
×
×
  • Create New...

Important Information

We have placed cookies on your device to help make this website better. You can adjust your cookie settings, otherwise we'll assume you're okay to continue.