function pDraw::drawAlphaPixel in Visitors 7

Same name and namespace in other branches

1. 7.2 pChart/class/pDraw.class.php \pDraw::drawAlphaPixel()

2 calls to pDraw::drawAlphaPixel()

pDraw::drawAntialiasPixel in pChart/class/pDraw.class.php

pDraw::drawFromPicture in pChart/class/pDraw.class.php

File

pChart/class/pDraw.class.php, line 1168

Class

pDraw

Code

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