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stefan dot wehowsky at profilschmiede dot de ¶
23 years ago
This function is intended to serve as an example for the "imageCopyMerge"-function.

I hope it will help some of the less experienced php-coders here.

I wrote it to mark objects of a real estate broker as "sold" by copying the "sold"-picture right into the picture of the house.



<?php



//$sourcefile = Filename of the picture into that $insertfile will be inserted.

//$insertfile = Filename of the picture that is to be inserted into $sourcefile.

//$targetfile = Filename of the modified picture.

//$transition = Intensity of the transition (in percent)

//$pos          = Position where $insertfile will be inserted in $sourcefile

//                0 = middle

//                1 = top left

//                2 = top right

//                3 = bottom right

//                4 = bottom left

//                5 = top middle

//                6 = middle right

//                7 = bottom middle

//                8 = middle left

//

//

function mergePix($sourcefile,$insertfile, $targetfile, $pos=0,$transition=50)

{

    

//Get the resource id?s of the pictures

    $insertfile_id = imageCreateFromJPEG($insertfile);

    $sourcefile_id = imageCreateFromJPEG($sourcefile);



//Get the sizes of both pix    

    $sourcefile_width=imageSX($sourcefile_id);

    $sourcefile_height=imageSY($sourcefile_id);

    $insertfile_width=imageSX($insertfile_id);

    $insertfile_height=imageSY($insertfile_id);



//middle

    if( $pos == 0 )

    {

        $dest_x = ( $sourcefile_width / 2 ) - ( $insertfile_width / 2 );

        $dest_y = ( $sourcefile_height / 2 ) - ( $insertfile_height / 2 );

    }



//top left

    if( $pos == 1 )

    {

        $dest_x = 0;

        $dest_y = 0;

    }



//top right

    if( $pos == 2 )

    {

        $dest_x = $sourcefile_width - $insertfile_width;

        $dest_y = 0;

    }



//bottom right

    if( $pos == 3 )

    {

        $dest_x = $sourcefile_width - $insertfile_width;

        $dest_y = $sourcefile_height - $insertfile_height;

    }



//bottom left    

    if( $pos == 4 )

    {

        $dest_x = 0;

        $dest_y = $sourcefile_height - $insertfile_height;

    }



//top middle

    if( $pos == 5 )

    {

        $dest_x = ( ( $sourcefile_width - $insertfile_width ) / 2 );

        $dest_y = 0;

    }



//middle right

    if( $pos == 6 )

    {

        $dest_x = $sourcefile_width - $insertfile_width;

        $dest_y = ( $sourcefile_height / 2 ) - ( $insertfile_height / 2 );

    }

        

//bottom middle    

    if( $pos == 7 )

    {

        $dest_x = ( ( $sourcefile_width - $insertfile_width ) / 2 );

        $dest_y = $sourcefile_height - $insertfile_height;

    }



//middle left

    if( $pos == 8 )

    {

        $dest_x = 0;

        $dest_y = ( $sourcefile_height / 2 ) - ( $insertfile_height / 2 );

    }

    

//The main thing : merge the two pix    

    imageCopyMerge($sourcefile_id, $insertfile_id,$dest_x,$dest_y,0,0,$insertfile_width,$insertfile_height,$transition);



//Create a jpeg out of the modified picture

    imagejpeg ($sourcefile_id,"$targetfile");

    

}
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