src/class.upload.php
function imagecreatenew($x, $y, $fill = true, $trsp = false) {
        if ($x < 1) $x = 1; if ($y < 1) $y = 1;
        if ($this->gdversion() >= 2 && !$this->image_is_palette) {
            // create a true color image
            $dst_im = imagecreatetruecolor($x, $y);
            // this preserves transparency in PNGs, in true color
            if (empty($this->image_background_color) || $trsp) {
                imagealphablending($dst_im, false );
                imagefilledrectangle($dst_im, 0, 0, $x, $y, imagecolorallocatealpha($dst_im, 0, 0, 0, 127));
            }
        } else {
            // creates a palette image
            $dst_im = imagecreate($x, $y);
            // preserves transparency for palette images, if the original image has transparency
            if (($fill && $this->image_is_transparent && empty($this->image_background_color)) || $trsp) {
                imagefilledrectangle($dst_im, 0, 0, $x, $y, $this->image_transparent_color);
                imagecolortransparent($dst_im, $this->image_transparent_color);
            }
        }
        // fills with background color if any is set
        if ($fill && !empty($this->image_background_color) && !$trsp) {
            list($red, $green, $blue) = $this->getcolors($this->image_background_color);
            $background_color = imagecolorallocate($dst_im, $red, $green, $blue);
            imagefilledrectangle($dst_im, 0, 0, $x, $y, $background_color);
        }
        return $dst_im;
    }
function imagecreatenew($x, $y, $fill = true, $trsp = false) {
        if ($x < 1) $x = 1; if ($y < 1) $y = 1;
        if ($this->gdversion() >= 2 && !$this->image_is_palette) {
            // create a true color image
            $dst_im = imagecreatetruecolor($x, $y);
            // this preserves transparency in PNGs, in true color
            if (empty($this->image_background_color) || $trsp) {
                imagealphablending($dst_im, false );
                imagefilledrectangle($dst_im, 0, 0, $x, $y, imagecolorallocatealpha($dst_im, 0, 0, 0, 127));
            }
        } else {
            // creates a palette image
            $dst_im = imagecreate($x, $y);
            // preserves transparency for palette images, if the original image has transparency
            if (($fill && $this->image_is_transparent && empty($this->image_background_color)) || $trsp) {
                imagefilledrectangle($dst_im, 0, 0, $x, $y, $this->image_transparent_color);
                imagecolortransparent($dst_im, $this->image_transparent_color);
            }
        }
        // fills with background color if any is set
        if ($fill && !empty($this->image_background_color) && !$trsp) {
            list($red, $green, $blue) = $this->getcolors($this->image_background_color);
            $background_color = imagecolorallocate($dst_im, $red, $green, $blue);
            imagefilledrectangle($dst_im, 0, 0, $x, $y, $background_color);
        }
        return $dst_im;
    }
function imagecreatenew ( $ x , $ y , $ fill = true , $ trsp = false ) { if ( $ x < 1 ) $ x = 1 ; if ( $ y < 1 ) $ y = 1 ; if ( $ this -> gdversion ( ) >= 2 && ! $ this -> image_is_palette ) { // create a true color image $ dst_im = imagecreatetruecolor ( $ x , $ y ) ; // this preserves transparency in PNGs, in true color if ( empty ( $ this -> image_background_color ) || $ trsp ) { imagealphablending ( $ dst_im , false ) ; imagefilledrectangle ( $ dst_im , 0 , 0 , $ x , $ y , imagecolorallocatealpha ( $ dst_im , 0 , 0 , 0 , 127 ) ) ; } } else { // creates a palette image $ dst_im = imagecreate ( $ x , $ y ) ; // preserves transparency for palette images, if the original image has transparency if ( ( $ fill && $ this -> image_is_transparent && empty ( $ this -> image_background_color ) ) || $ trsp ) { imagefilledrectangle ( $ dst_im , 0 , 0 , $ x , $ y , $ this -> image_transparent_color ) ; imagecolortransparent ( $ dst_im , $ this -> image_transparent_color ) ; } } // fills with background color if any is set if ( $ fill && ! empty ( $ this -> image_background_color ) && ! $ trsp ) { list ( $ red , $ green , $ blue ) = $ this -> getcolors ( $ this -> image_background_color ) ; $ background_color = imagecolorallocate ( $ dst_im , $ red , $ green , $ blue ) ; imagefilledrectangle ( $ dst_im , 0 , 0 , $ x , $ y , $ background_color ) ; } return $ dst_im ; }
Creates a container image

@access private
@param  integer  $x    Width
@param  integer  $y    Height
@param  boolean  $fill Optional flag to draw the background color or not
@param  boolean  $trsp Optional flag to set the background to be transparent
@return resource Container image
Creates a container image