function watermark::_get_image_color in ImageCache Actions 8

Same name and namespace in other branches

1. 5.3 watermark.inc \watermark::_get_image_color()
2. 5.2 watermark.inc \watermark::_get_image_color()
3. 6.2 watermark.inc \watermark::_get_image_color()
4. 6 watermark.inc \watermark::_get_image_color()
5. 7 watermark.inc \watermark::_get_image_color()

TODO

Parameters

resource $image:

int $r:

int $g:

int $b:

int $alpha:

Return value

int

1 call to watermark::_get_image_color()

watermark::create_watermark in ./watermark.inc

TODO

File

./watermark.inc, line 105

Routine for image layering.

Class

watermark

@file Routine for image layering.

Code

function _get_image_color($image, $r, $g, $b, $alpha) {
  $c = imagecolorexactalpha($image, $r, $g, $b, $alpha);
  if ($c != -1) {
    return $c;
  }

  // @todo: this now uses imagecolorallocatealpha(): test
  $c = imagecolorallocatealpha($image, $r, $g, $b, $alpha);
  if ($c != -1) {
    return $c;
  }

  // @todo: this now uses imagecolorclosestalpha(): test
  return imagecolorclosestalpha($image, $r, $g, $b, $alpha);
}