Php watermarks images 4-PHP source code

Ec (2); & lt ;? & Nbsp; ** & nbsp; * generate a watermark. Two methods are called to generate a watermark text and a watermark image. & nbsp; & nbsp; * & nbsp; function_createMask () & nbsp; & nbsp ;{& nbsp; & nbsp; & nbsp; & script ec (2); script

/**
* Generate a watermark. Two methods are called to generate a watermark text and a watermark image.
*/
Function _ createMask ()
{
If ($ this-> mask_word)
{
// Obtain the font information
$ This-> _ setFontInfo ();

If ($ this-> _ isFull ())
{
Die ("the watermark text is too large ");
}
Else
{
$ This-> h_dst = imagecreatetruecolor ($ this-> dst_w, $ this-> dst_h );
$ White = ImageColorAllocate ($ this-> h_dst, 255,255,255 );
Imagefilledrectangle ($ this-> h_dst, $ this-> dst_w, $ this-> dst_h, $ white); // fill in the background color
$ This-> _ drawBorder ();
Imagecopyresampled ($ this-> h_dst, $ this-> h_src,
$ This-> start_x, $ this-> start_y,
$ This-> src_x, $ this-> src_y,
$ This-> fill_w, $ this-> fill_h,
$ This-> copy_w, $ this-> copy_h );
$ This-> _ createMaskWord ($ this-> h_dst );
}
}

If ($ this-> mask_img)
{
$ This-> _ loadMaskImg (); // get the width and height when loading

If ($ this-> _ isFull ())
{
// Generate the watermark on the source image and copy it again
$ This-> _ createMaskImg ($ this-> h_src );
$ This-> h_dst = imagecreatetruecolor ($ this-> dst_w, $ this-> dst_h );
$ White = ImageColorAllocate ($ this-> h_dst, 255,255,255 );
Imagefilledrectangle ($ this-> h_dst, $ this-> dst_w, $ this-> dst_h, $ white); // fill in the background color
$ This-> _ drawBorder ();
Imagecopyresampled ($ this-> h_dst, $ this-> h_src,
$ This-> start_x, $ this-> start_y,
$ This-> src_x, $ this-> src_y,
$ This-> fill_w, $ this-> fill_h,
$ This-> copy_w, $ this-> copy_h );
}
Else
{
// Create a new image and copy it
$ This-> h_dst = imagecreatetruecolor ($ this-> dst_w, $ this-> dst_h );
$ White = ImageColorAllocate ($ this-> h_dst, 255,255,255 );
Imagefilledrectangle ($ this-> h_dst, $ this-> dst_w, $ this-> dst_h, $ white); // fill in the background color
$ This-> _ drawBorder ();
Imagecopyresampled ($ this-> h_dst, $ this-> h_src,
$ This-> start_x, $ this-> start_y,
$ This-> src_x, $ this-> src_y,
$ This-> fill_w, $ this-> fill_h,
$ This-> copy_w, $ this-> copy_h );
$ This-> _ createMaskImg ($ this-> h_dst );
}
}

If (empty ($ this-> mask_word) & empty ($ this-> mask_img ))
{
$ This-> h_dst = imagecreatetruecolor ($ this-> dst_w, $ this-> dst_h );
$ White = ImageColorAllocate ($ this-> h_dst, 255,255,255 );
Imagefilledrectangle ($ this-> h_dst, $ this-> dst_w, $ this-> dst_h, $ white); // fill in the background color
$ This-> _ drawBorder ();

Imagecopyresampled ($ this-> h_dst, $ this-> h_src,
$ This-> start_x, $ this-> start_y,
$ This-> src_x, $ this-> src_y,
$ This-> fill_w, $ this-> fill_h,
$ This-> copy_w, $ this-> copy_h );
}
}

/**
* Draw borders
*/
Function _ drawBorder ()
{
If (! Empty ($ this-> img_border_size ))
{
$ C = $ this-> _ parseColor ($ this-> img_border_color );
$ Color = ImageColorAllocate ($ this-> h_src, $ c [0], $ c [1], $ c [2]);
Imagefilledrectangle ($ this-> h_dst, $ this-> dst_w, $ this-> dst_h, $ color); // fill the background color
}
}

/**
* Generate watermark text
*/
Function _ createMaskWord ($ src)
{
$ This-> _ countMaskPos ();
$ This-> _ checkMaskValid ();

$ C = $ this-> _ parseColor ($ this-> mask_font_color );
$ Color = imagecolorallocatealpha ($ src, $ c [0], $ c [1], $ c [2], $ this-> mask_txt_pct );

If (is_numeric ($ this-> font ))
{
Imagestring ($ src,
$ This-> font,
$ This-> mask_pos_x, $ this-> mask_pos_y,
$ This-> mask_word,
$ Color );
}
Else
{
Imagettftext ($ src,
$ This-> font_size, 0,
$ This-> mask_pos_x, $ this-> mask_pos_y,
$ Color,
$ This-> font,
$ This-> mask_word );
}
}

/**
* Generate a watermark image
*/
Function _ createMaskImg ($ src)
{
$ This-> _ countMaskPos ();
$ This-> _ checkMaskValid ();
Imagecopymerge ($ src,
$ This-> h_mask,
$ This-> mask_pos_x, $ this-> mask_pos_y,
0, 0,
$ This-> mask_w, $ this-> mask_h,
$ This-> mask_img_pct );

Imagedestroy ($ this-> h_mask );
}

/**
* Attach a watermark image
*/
Function _ loadMaskImg ()
{
$ Mask_type = $ this-> _ getImgType ($ this-> mask_img );
$ This-> _ checkValid ($ mask_type );

// File_get_contents function requires php version> 4.3.0
$ Src = '';
If (function_exists ("file_get_contents "))
{
$ Src = file_get_contents ($ this-> mask_img );
}
Else
{
$ Handle = fopen ($ this-> mask_img, "r ");
While (! Feof ($ handle ))
{
$ Src. = fgets ($ fd, 4096 );
}
Fclose ($ handle );
}
If (empty ($ this-> mask_img ))
{
Die ("the watermark image is empty ");
}
$ This-> h_mask = ImageCreateFromString ($ src );
$ This-> mask_w = $ this-> getImgWidth ($ this-> h_mask );
$ This-> mask_h = $ this-> getImgHeight ($ this-> h_mask );
}

/**
* Image output
*/
Function _ output ()
{
$ Img_type = $ this-> img_type;
$ Func_name = $ this-> all_type [$ img_type] ['output'];
If (function_exists ($ func_name ))
{
// Judge the browser. If IE is used, no headers are sent.
If (isset ($ _ SERVER ['HTTP _ USER_AGENT '])
{
$ Ua = strtoupper ($ _ SERVER ['HTTP _ USER_AGENT ']);
If (! Preg_match ('/^. * MSIE. * \) $/I', $ ua ))
{
Header ("Content-type: $ img_type ");
}
}
$ Func_name ($ this-> h_dst, $ this-> dst_img, $ this-> img_display_quality );
}
Else
{
Return false;
}
}

/**
* Color Analysis
*
* @ Param string $ color hexadecimal color
*/
Function _ parseColor ($ color)
{
$ Arr = array ();
For ($ ii = 1; $ ii {
$ Arr [] = hexdec (substr ($ color, $ ii, 2 ));
$ Ii ++;
}

Return $ arr;
}

/**
* Calculate the coordinates
*/
?>