--TEST-- Test Imagick, colorMatrixImage --SKIPIF-- --FILE-- 1.5, 1 => 0, 2 => 0, 3 => 0, 4 => -0.157, 5 => 0, 6 => 1, 7 => 0.5, 8 => 0, 9 => -0.157, 10 => 0, 11 => 0, 12 => 0.5, 13 => 0, 14 => 0.5, 15 => 0, 16 => 0, 17 => 0, 18 => 1, 19 => 0, 20 => 0, 21 => 0, 22 => 0, 23 => 0, 24 => 1, ); function colorMatrixImage($colorMatrix) { $imagick = new \Imagick(); $imagick->newPseudoImage(640, 480, "magick:logo"); //$imagick->setImageOpacity(1); //A color matrix should look like: // $colorMatrix = [ // 1.5, 0.0, 0.0, 0.0, 0.0, -0.157, // 0.0, 1.0, 0.5, 0.0, 0.0, -0.157, // 0.0, 0.0, 1.5, 0.0, 0.0, -0.157, // 0.0, 0.0, 0.0, 1.0, 0.0, 0.0, // 0.0, 0.0, 0.0, 0.0, 1.0, 0.0, // 0.0, 0.0, 0.0, 0.0, 0.0, 1.0 // ]; $background = new \Imagick(); $background->newPseudoImage($imagick->getImageWidth(), $imagick->getImageHeight(), "pattern:checkerboard"); $background->setImageFormat('png'); $imagick->setImageFormat('png'); $imagick->colorMatrixImage($colorMatrix); $background->compositeImage($imagick, \Imagick::COMPOSITE_ATOP, 0, 0); $bytes = $background->getImageBlob(); if (strlen($bytes) <= 0) { echo "Failed to generate image.";} } colorMatrixImage($colorMatrix) ; echo "Ok"; ?> --EXPECTF-- Ok