public function drawAlphaPixel($X, $Y, $Alpha, $R, $G, $B)
    {
        if (isset($this->Mask[$X]) && isset($this->Mask[$X][$Y])) {
            return 0;
        }

        if ($X < 0 || $Y < 0 || $X >= $this->XSize || $Y >= $this->YSize) {
            return -1;
        }
        if ($R < 0) {
            $R = 0;
        } if ($R > 255) {
            $R = 255;
        }
        if ($G < 0) {
            $G = 0;
        } if ($G > 255) {
            $G = 255;
        }
        if ($B < 0) {
            $B = 0;
        } if ($B > 255) {
            $B = 255;
        }

        if ($this->Shadow && $this->ShadowX != 0 && $this->ShadowY != 0) {
            $AlphaFactor = floor(($Alpha / 100) * $this->Shadowa);
            $ShadowColor = $this->allocateColor(
                $this->Picture,
                $this->ShadowR,
                $this->ShadowG,
                $this->ShadowB,
                $AlphaFactor
            );
            imagesetpixel($this->Picture, $X + $this->ShadowX, $Y + $this->ShadowY, $ShadowColor);
        }

        $C_Aliased = $this->allocateColor($this->Picture, $R, $G, $B, $Alpha);
        imagesetpixel($this->Picture, $X, $Y, $C_Aliased);
    }
public function drawAlphaPixel($X, $Y, $Alpha, $R, $G, $B)
    {
        if (isset($this->Mask[$X]) && isset($this->Mask[$X][$Y])) {
            return 0;
        }

        if ($X < 0 || $Y < 0 || $X >= $this->XSize || $Y >= $this->YSize) {
            return -1;
        }
        if ($R < 0) {
            $R = 0;
        } if ($R > 255) {
            $R = 255;
        }
        if ($G < 0) {
            $G = 0;
        } if ($G > 255) {
            $G = 255;
        }
        if ($B < 0) {
            $B = 0;
        } if ($B > 255) {
            $B = 255;
        }

        if ($this->Shadow && $this->ShadowX != 0 && $this->ShadowY != 0) {
            $AlphaFactor = floor(($Alpha / 100) * $this->Shadowa);
            $ShadowColor = $this->allocateColor(
                $this->Picture,
                $this->ShadowR,
                $this->ShadowG,
                $this->ShadowB,
                $AlphaFactor
            );
            imagesetpixel($this->Picture, $X + $this->ShadowX, $Y + $this->ShadowY, $ShadowColor);
        }

        $C_Aliased = $this->allocateColor($this->Picture, $R, $G, $B, $Alpha);
        imagesetpixel($this->Picture, $X, $Y, $C_Aliased);
    }
public function drawAlphaPixel ( $ X , $ Y , $ Alpha , $ R , $ G , $ B ) { if ( isset ( $ this -> Mask [ $ X ] ) && isset ( $ this -> Mask [ $ X ] [ $ Y ] ) ) { return 0 ; } if ( $ X < 0 || $ Y < 0 || $ X >= $ this -> XSize || $ Y >= $ this -> YSize ) { return - 1 ; } if ( $ R < 0 ) { $ R = 0 ; } if ( $ R > 255 ) { $ R = 255 ; } if ( $ G < 0 ) { $ G = 0 ; } if ( $ G > 255 ) { $ G = 255 ; } if ( $ B < 0 ) { $ B = 0 ; } if ( $ B > 255 ) { $ B = 255 ; } if ( $ this -> Shadow && $ this -> ShadowX != 0 && $ this -> ShadowY != 0 ) { $ AlphaFactor = floor ( ( $ Alpha / 100 ) * $ this -> Shadowa ) ; $ ShadowColor = $ this -> allocateColor ( $ this -> Picture , $ this -> ShadowR , $ this -> ShadowG , $ this -> ShadowB , $ AlphaFactor ) ; imagesetpixel ( $ this -> Picture , $ X + $ this -> ShadowX , $ Y + $ this -> ShadowY , $ ShadowColor ) ; } $ C_Aliased = $ this -> allocateColor ( $ this -> Picture , $ R , $ G , $ B , $ Alpha ) ; imagesetpixel ( $ this -> Picture , $ X , $ Y , $ C_Aliased ) ; }
Draw a semi-transparent pixel
@param int $X
@param int $Y
@param int $Alpha
@param int $R
@param int $G
@param int $B
@return null|integer
Draw a semi - transparent pixel