Re: [GD-DEVEL] Need help with GD Library

[email protected] (Steven Binion)
Newsgroups php.gd.devel
Message-ID <[email protected]> 
Code as requested.

================================================================================

<?
    if( ! isset($_POST) && isset($HTTP_POST_VARS) ) $_POST =& 
$HTTP_POST_VARS;
    if( ! isset($_GET) && isset($HTTP_GET_VARS) ) $_GET =& $HTTP_GET_VARS;
    if( ! isset($_COOKIE) && isset($HTTP_COOKIE_VARS) ) $_COOKIE =& 
$HTTP_COOKIE_VARS;
    if( ! isset($_FILES) && isset($HTTP_POST_FILES) ) $_FILES =& 
$HTTP_POST_FILES;
  
       set_magic_quotes_runtime(0);
    error_reporting( E_ERROR | E_WARNING | E_PARSE );

    //define( "SITE_ROOT", getEnv( "DOCUMENT_ROOT" ) );
    define( "SITE_ROOT", dirname(__FILE__) );
    define( "PHP_SELF", getEnv( "SCRIPT_NAME" ) );

    //define( "PROG_PATH", substr( PHP_SELF, 0, ( strlen( PHP_SELF ) - 
strlen( basename( PHP_SELF ) ) ) ) );
    define( "PROG_PATH", "/" );
    define( "ICON_PATH", "pics/icons/" );
    define( "BUTTON_PATH", "pics/buttons/" ) ;
    define( "FONT_PATH", "pics/fonts/" ) ;

    define( "ICON_FULL_PATH", SITE_ROOT .  PROG_PATH  . ICON_PATH );
    define( "BUTTON_FULL_PATH", SITE_ROOT . PROG_PATH  . BUTTON_PATH );
    define( "FONT_FULL_PATH", SITE_ROOT  .  PROG_PATH  . FONT_PATH  );
   
    $aIcons = getImgArray( ICON_FULL_PATH );
    $aButtons = getImgArray( BUTTON_FULL_PATH );
    $aFonts = getImgArray( FONT_FULL_PATH );


//----------------------------------------------   
    function   submit( $var ){
       global   $_POST, $_GET ;
       return ( strlen(trim($_POST[ $var ])) ) ? trim( $_POST[ $var ] ) 
: trim( $_GET[ $var ] );
    }

//----------------------------------------------   
    function    txt2img( $text, $buttongif, $lefticon, $righticon, 
$font, $fontsize, $fontcolor,$top_margin, $bottom_margin, $left_margin, 
$right_margin )
    {
        $url = "txt=" . urlEncode( $text ) . "&buttongif=" . 
urlEncode($buttongif) .
                   "&lefticon=" . urlEncode($lefticon) . "&righticon=" . 
urlEncode($righticon).
                   "&font=". urlEncode($font) . "&fontsize=". 
urlEncode($fontsize) . "&fontcolor=" . urlEncode( $fontcolor ) .
                   "&top_margin=" . urlEncode( $top_margin ) .
                   "&bottom_margin=" . urlEncode( $bottom_margin ) .
                   "&left_margin=" . urlEncode( $left_margin ) .
                   "&right_margin=" . urlEncode( $right_margin ) ;
        $url = ereg_replace( " ", "" , $url  );
        return  "button.php?$url" ;
    }



//----------------------------------------------   
    function    getImgArray( $icon_path = "." )
    {
        $dpath = ereg_replace( SITE_ROOT.PROG_PATH, "", $icon_path );
        $d = dir( $icon_path );
        while( $entry = $d->read() )
        {
            if( (".." != $entry) && ("." != $entry)  ) $aIcons[] = 
$dpath . $entry ;
        }
        $d->close();
        sort( $aIcons );
        //for( $i = 0 ; $i < count( $aIcons ); $i++ ) print "$i<img 
src='" . $aIcons[ $i ] . "' border=0 >&nbsp;&nbsp;" ;
        return $aIcons ;
    }


//----------------------------------------------   
    function    displayFiles( $array, $name, $nCol = 6, $bText = False, 
$bRnd = False )
    {
        if( $name ) :
            $selvalue = submit($name);
        endif;
       
        print "<table border=0>\n" ;
        $nCount = count( $array );
        //$nCol = 6 ;
        $nRow = ( $nCount % $nCol  ) ? Floor( $nCount/$nCol ) + 1 : 
Floor( $nCount/$nCol );

        mt_srand( ( double ) microtime() * 1000000 );
        $rnd = mt_rand( 0, $nCount-1 ) ;

        for( $row = 0; $row < $nRow; $row ++ ):
            $start = $row * $nCol + ( $row > 0 ? -1*$row : 0 ) ;
            print "<tr>\n" ;
            for( $j = $start ; $j < ($start + $nCol); $j++ ) :
                $nIndex = $row + $j ;
                if( $selvalue ) :
                    $checked = ( $selvalue == $array[ $nIndex ] ) ? " 
checked " : "" ;
                else:
                    $checked = ( $nIndex == $rnd && $bRnd ) ? " checked 
" : "" ;
                endif;
                if( $array[ $nIndex ] ) :
                    print "<td><input type='radio' name='$name' value='" 
. $array[ $nIndex ] . "' $checked ></td><td>" ;
                    //print ( !$bText ) ? "<img src='" . $array[ $nIndex 
] . "' border=0 >" : "<div class='form_text'>" . $array[ $nIndex ] . 
"</div>" ;
                    print ( !$bText ) ? "<img src='" . $array[ $nIndex ] 
. "' border=0 >" : "<img src='showfont.php?font=" . $array[ $nIndex ] . 
"' border=0>" ;
                   
                    print "</td>\n" ;
                endif;
            endfor;
            print "</tr>\n" ;
        endfor;
        print "</table>\n" ;
    }
   

//----------------------------------------------   
    /*
        array info of return imageTTFText, 4 point( x,y ) as follow:
        (6,7) -------- (4,5)
           Text Out Put
        (0,1) -------- (2,3)
    */
//----------------------------------------------   
class    TTFButton
{
    // image Handles
    var    $hNew ;
    var    $hButton;
    var    $hIconL;
    var    $hTxt;
    var $hIconR;

    var $sButton = "pics/buttons/btn_001_on.gif";
    var $sIconL = "" ;
    var $sIconR = "" ;

    var $top_margin = 0 ;
    var $bottom_margin = 0 ;
    var $left_margin = 15 ;
    var $right_margin = 15;
       
    var    $text = "Demo Text";
    var $ttf_font = "pics/fonts/arial.ttf" ;
    var $font_size = 12 ;
    var $html_color = "#000000" ;
   
    function    TTFButton( $txt = "",  $sButton = "" ) //, $sIconL = "", 
$sIconR = "", $sTTFFont = "", $nFontSize = 12, $sHtmlColor = "#000000" )
    {
        if( $txt ) $this->text = ( ord(trim($txt)) > 127 ) ? 
$this->gb2utf8($txt) : $txt;
        if( $sButton ) $this->sButton = $sButton ;
        /*
        if( $sTTFFont ) $this->ttf_font = $sTTFFont ;
        if( $nFontSize ) $this->font_size = $nFontSize ;
        if( $sIconL ) $this->sIconL = $sIconL ;
        if( $sIconR ) $this->sIconR = $sIconR ;
        if( $sHtmlColor ) $this->html_color = trim($sHtmlColor) ;
        */
    }


    function    ripper()
    {       
        $this->hButton = $this->imageCreateFromImg( $this->sButton );
       
        $this->txt2img() ;
       
        $nLeft = $this->left_margin ? $this->left_margin : 6 ;
        $nRight = $this->right_margin ? $this->right_margin : 6 ;
        $nTxt = imageSX( $this->hTxt );
       
        $nIconMargin = 4 ;
        if( is_file( $this->sIconL ) ) :
            $this->hIconL = $this->imageCreateFromImg( $this->sIconL ) ;
            $nIconL =  imageSX( $this->hIconL ) + $nIconMargin;
        endif;
        if( is_file( $this->sIconR ) ) :
            $this->hIconR = $this->imageCreateFromImg( $this->sIconR ) ;
            $nIconR =  imageSX( $this->hIconR ) + $nIconMargin;
        endif;
       
        $newX = $nLeft + $nIconL + $nTxt + $nIconR + $nRight;
        $newY = imageSY($this->hButton) ;
        $this->hNew = imageCreate( $newX, $newY );       

        //int ImageCopy (resource dst_im, resource src_im, int dst_x, 
int dst_y, int src_x, int src_y, int src_w, int src_h)
       
        imageCopy( $this->hNew, $this->hButton,       0, 0,     0, 0,    
$nLeft, $newY );  // Cut Button Left
        imageCopy( $this->hNew, $this->hButton,  $nLeft, 0,     $nLeft, 
0,     $nIconL+$nTxt+$nIconR, $newY ); // Background of IconL + Text + IconR

        if( $this->hIconL ) :
            $dst_y = $this->dst_y( $this->hIconL );
            imageCopy( $this->hNew, $this->hIconL,       $nLeft, 
$dst_y,     0, 0,     $nIconL-$nIconMargin,   imageSY($this->hIconL)   
); // Copy IconL
        endif;

        $dst_y = $this->dst_y( $this->hTxt );
        imageCopy( $this->hNew, $this->hTxt,      $nLeft+$nIconL,  
$dst_y,     0, 0,     $nTxt, imageSY($this->hTxt)   ); // Copy Text

        if( $this->hIconR ) :
            $dst_y = $this->dst_y( $this->hIconR );
            imageCopy( $this->hNew, $this->hIconR,       
$nLeft+$nIconL+$nTxt+$nIconMargin, $dst_y,     0, 0,     $nIconR, 
imageSY($this->hIconR) ); // Copy IconR
        endif;

        imageCopy( $this->hNew, $this->hButton, 
$nLeft+$nIconL+$nTxt+$nIconR, 0, imageSX($this->hButton)-$nRight, 0, 
$nRight, $newY ); // Cut Button Right
    }
   
    function    dst_y( $hImg )
    {
        $valid_height = imageSY( $this->hButton ) - $this->top_margin - 
$this->bottom_margin ;
        $dst_y = $this->top_margin+Floor( ( $valid_height - 
imageSY($hImg) ) / 2 );
        return $dst_y ;
    }
   
   
    function    imageCreateFromImg( $filename )
    {
        $split = split( "\.", basename( trim( $filename ) ) );
        $ext = $split[ count($split) - 1 ] ;
        switch( strtolower( $ext ) )
        {
            case    "gif" :
                return imageCreateFromGif( $filename );
                break;
            case     "png" :
                return imagecreatefrompng( $filename );
                break;
            case     "jpg" :
            case     "jpeg" :
                return imagecreatefromjpeg( $filename );
                break;
        }
    }
   
   
    function    show()
    {
        $this->ripper();
        $split = split( "\.", basename( trim( $this->sButton ) ) );
        $ext = $split[ count($split) - 1 ] ;
        switch( strtolower( $ext ) )
        {
            case    "gif" :
                Header( "Content-Type: image/gif" );
                imageGif( $this->hNew ) ;
                break;
            case     "png" :
                Header("Content-type: image/png");
                ImagePNG($this->hNew);
                break;
            case     "jpg" :
            case     "jpeg" :
                Header("Content-type: image/jpeg");
                ImageJPEG($this->hNew );
                break;
        }
        $this->cleanup();
    }
   
   
    function    cleanup()
    {       
        imageDestroy($this->hNew );
        imageDestroy( $this->hTxt );
        imageDestroy( $this->hButton );
        if( $this->hIconL ) imageDestroy( $this->hIconL );
        if( $this->hIconR ) imageDestroy( $this->hIconR );
        //print "New Y = " . imageSY( $this->hNew ) . " TXT Y = " . 
imageSY($this->hTxt) . " /2 = " . 
Floor((imageSY($this->hNew)-imageSY($this->hTxt))/2);
    }


    function    txt2img()
    {
        $hImg_temp = imageCreate( 10, 10 );
        $txt_color = $this->txtcolor( $hImg_temp );
        $p4 = imageTTFText( $hImg_temp, $this->font_size, 0, 0, 0, 
$txt_color, $this->ttf_font, $this->text );
        imageDestroy( $hImg_temp );
       
        $margin = 4 ;
        $x_size = ($p4[2]-$p4[0]) + $margin ;
        $y_size = $p4[1]-$p4[7] + $margin ;
        $this->hTxt = imageCreate( $x_size, $y_size );
        //$hTxt = imageCreate( 600, 300 );
        $bg_color = imageColorAllocate( $this->hTxt, 200, 200, 200 );
        imageFill( $this->hTxt, 0, 0, $bg_color );
        imageColorTransparent( $this->hTxt, $bg_color );
        $x = 0+floor($margin/2) ;
        $y = $y_size-floor($margin/2);
        $txt_color = $this->txtcolor( $this->hTxt );
        imageTTFText( $this->hTxt, $this->font_size, 0, $x, $y, 
$txt_color, $this->ttf_font, $this->text );
        //$txt_shadow = imageColorAllocate( $hTxt, 100, 100, 100 );
        //imageTTFText( $hTxt, $this->font_size, 0, $x-1, $y-1, 
$txt_shadow, $this->ttf_font, $this->text );
        //return $hTxt ;
    }
   
    function    txtcolor( $hImg_temp )
    {
        $hexcolor = ( "#" == substr( $this->html_color, 0, 1 )  ) ? 
substr( $this->html_color, 1, strlen($this->html_color)-1 ) . "000000" : 
$this->html_color . "000000" ;
        return imageColorAllocate( $hImg_temp, 
hexdec(substr($hexcolor,0,2))  ,  hexdec(substr($hexcolor,2,2)),  
hexdec(substr($hexcolor,4,2)) );
    }

}

function    ImageOut( $im = "" )
{
     if (function_exists("imagejpeg")) {
        $im ? ImageJPEG($im, "", 100) : Header("Content-type: image/jpeg");
      }
      elseif (function_exists("imagepng")) {
        $im ? ImagePNG($im) : Header("Content-type: image/png");
      }
      elseif (function_exists("imagegif")) {
        $im ? ImageGIF($im) :  Header("Content-type: image/gif");
      }
      elseif (function_exists("imagewbmp")) {
        $im ? ImageWBMP($im) : Header("Content-type: image/vnd.wap.wbmp");
      }
      else
        die("No image support in this PHP server");
}       
?>

======================================================================

Pierre wrote:
> On 3/10/07, Steven Binion <[email protected]> wrote:
>> Well I didn't write the code and it isn't modified in anyway. hope this
>> will be sufficient. https://sourceforge.net/projects/phpbutton/
>
> Not really, I can help if you show me some code. It is also not that
> hard to write such script yourself.
>
> Check out our PHP FAQ here:
>
> http://www.libgd.org/FAQ_PHP,  "Where can I find an example of PHP
> programming with gd?" links to some good resources.
>
> There is even some books about PHP and gd, the last one being:
>
> http://www.amazon.com/exec/obidos/ASIN/839166516X
>
>
> --Pierre
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