Distort image

← despeckleImage   drawImage →
This method is available if Imagick has been compiled against ImageMagick version 6.3.6 or newer.
Various distortion effects.

$imagick = new \Imagick(realpath($this->distortImageControl->getImagePath()));
$points = array(
    0, 0,
    25, 25,
    100, 0,
    100, 50
);
$imagick->setimagebackgroundcolor("#fad888");
$imagick->setImageVirtualPixelMethod(\Imagick::VIRTUALPIXELMETHOD_BACKGROUND);
$imagick->distortImage(\Imagick::DISTORTION_AFFINE, $points, true);
header("Content-Type: image/jpeg");
echo $imagick;

$imagick = new \Imagick(realpath($this->distortImageControl->getImagePath()));
$points = array(
    0.9, 0.3,
    -0.2, 0.7,
    20, 15
);
$imagick->setimagebackgroundcolor("#fad888");
$imagick->setImageVirtualPixelMethod(\Imagick::VIRTUALPIXELMETHOD_BACKGROUND);
$imagick->distortImage(\Imagick::DISTORTION_AFFINEPROJECTION, $points, true);
header("Content-Type: image/jpeg");
echo $imagick;

//Make some text arc around the center of it's image
  convert logo: -resize x150 -gravity NorthEast -crop 100x100+10+0! \
  \( -background none label:'IM Examples' \
  -virtual-pixel Background +distort Arc '270 50 20' \
  -repage +75+21\! \)  -flatten  arc_overlay.jpg
$imagick = new \Imagick(realpath($this->distortImageControl->getImagePath()));
$degrees = array(180);
$imagick->setimagebackgroundcolor("#fad888");
$imagick->setImageVirtualPixelMethod(\Imagick::VIRTUALPIXELMETHOD_BACKGROUND);
$imagick->distortImage(\Imagick::DISTORTION_ARC, $degrees, true);
header("Content-Type: image/jpeg");
echo $imagick;

$imagick = new \Imagick(realpath($this->distortImageControl->getImagePath()));
$degrees = array(180, 45, 100, 20);
$imagick->setimagebackgroundcolor("#fad888");
$imagick->setImageVirtualPixelMethod(\Imagick::VIRTUALPIXELMETHOD_BACKGROUND);
$imagick->distortImage(\Imagick::DISTORTION_ARC, $degrees, true);
header("Content-Type: image/jpeg");
echo $imagick;

$imagick = new \Imagick(realpath($this->distortImageControl->getImagePath()));
$points = array(
    0, 0, 25, 25, # top left
    176, 0, 126, 0, # top right
    0, 135, 0, 105, # bottom right
    176, 135, 176, 135 # bottum left
);
$imagick->setImageBackgroundColor("#fad888");
$imagick->setImageVirtualPixelMethod(\Imagick::VIRTUALPIXELMETHOD_BACKGROUND);
$imagick->distortImage(\Imagick::DISTORTION_BILINEAR, $points, true);
header("Content-Type: image/jpeg");
echo $imagick;

$imagick = new \Imagick(realpath($this->distortImageControl->getImagePath()));
$points = array(
    1.5, # scale 150%
    150 # rotate
);
$imagick->setimagebackgroundcolor("#fad888");
$imagick->setImageVirtualPixelMethod(\Imagick::VIRTUALPIXELMETHOD_BACKGROUND);
$imagick->distortImage(\Imagick::DISTORTION_SCALEROTATETRANSLATE, $points, true);
header("Content-Type: image/jpeg");
echo $imagick;

//$imagick = new \Imagick(realpath($this->rsiControl->getImagePath()));
$imagick = new \Imagick();
/* Create new checkerboard pattern */
$imagick->newPseudoImage(100, 100, "pattern:checkerboard");
/* Set the image format to png */
$imagick->setImageFormat('png');
/* Fill new visible areas with transparent */
$imagick->setImageVirtualPixelMethod(\Imagick::VIRTUALPIXELMETHOD_TRANSPARENT);
/* Activate matte */
$imagick->setImageMatte(true);
/* Control points for the distortion */
$controlPoints = array(10, 10,
    10, 5,
    10, $imagick->getImageHeight() - 20,
    10, $imagick->getImageHeight() - 5,
    $imagick->getImageWidth() - 10, 10,
    $imagick->getImageWidth() - 10, 20,
    $imagick->getImageWidth() - 10, $imagick->getImageHeight() - 10,
    $imagick->getImageWidth() - 10, $imagick->getImageHeight() - 30);
/* Perform the distortion */
$imagick->distortImage(\Imagick::DISTORTION_PERSPECTIVE, $controlPoints, true);
header("Content-Type: image/jpeg");
echo $imagick->getImageBlob();

//X-of-destination = (sx*xs + ry+ys +tx) / (px*xs + py*ys +1)
//Y-of-destination = (rx*xs + sy+ys +ty) / (px*xs + py*ys +1)
// sx   ry   tx
// rx   sy   ty
// px   py
$imagick = new \Imagick(realpath($this->distortImageControl->getImagePath()));
$points = array(
    1.945622, 0.071451,
    -12.187838, 0.799032,
    1.276214, -24.470275, 0.006258, 0.000715
);
$imagick->setimagebackgroundcolor("#fad888");
$imagick->setImageVirtualPixelMethod(\Imagick::VIRTUALPIXELMETHOD_BACKGROUND);
$imagick->distortImage(\Imagick::DISTORTION_PERSPECTIVEPROJECTION, $points, true);
header("Content-Type: image/jpeg");
echo $imagick;

// Order     X1,Y1 I1,J1     X2,Y2 I2,J2     X3,Y3 I3,J3     X4,Y4 I4,J4 . . . .
// The 'Order' argument is usually an integer from '1' onward, though a special value
// of '1.5' can also be used. This defines the 'order' or complexity of the 2-dimensional
// mathematical equation (using both 'x' and 'y') , that will be applied.
// For example an order '1' polynomial will fit a equation of the form...
// Xd = 	 C2x*Xs + C1x*Ys + C0x	  ,      	Yd = 	 C2y*Xs + C1y*Ys + C0y 
// See also http://www.imagemagick.org/Usage/distorts/#polynomial

        $imagick = new \Imagick(realpath($this->distortImageControl->getImagePath()));
        $points = array(
            1.5,   //Order 1.5 = special
            0, 0, 26, 0,
            128, 0, 114, 23,
            128, 128, 128, 100,
            0, 128, 0, 123
        );
        $imagick->setimagebackgroundcolor("#fad888");
        $imagick->setImageVirtualPixelMethod(\Imagick::VIRTUALPIXELMETHOD_BACKGROUND);
        $imagick->distortImage(\Imagick::DISTORTION_POLYNOMIAL, $points, true);
        header("Content-Type: image/jpeg");
        echo $imagick;

//v6.4.2-6
$imagick = new \Imagick(realpath($this->distortImageControl->getImagePath()));
$points = array(
    0
);
//Only do partial arc
  $points = array(
      60,20, 0,0, -60,60
  );
  HorizontalTile
$imagick->setimagebackgroundcolor("#fad888");
$imagick->setImageVirtualPixelMethod(\Imagick::VIRTUALPIXELMETHOD_HORIZONTALTILE);
$imagick->distortImage(\Imagick::DISTORTION_POLAR, $points, true);
header("Content-Type: image/jpeg");
echo $imagick;

//v6.4.2-6
$imagick = new \Imagick(realpath($this->distortImageControl->getImagePath()));
$points = array(
    0
);
$imagick->setimagebackgroundcolor("#fad888");
$imagick->setImageVirtualPixelMethod(\Imagick::VIRTUALPIXELMETHOD_BACKGROUND);
$imagick->distortImage(\Imagick::DISTORTION_DEPOLAR, $points, true);
header("Content-Type: image/jpeg");
echo $imagick;

// The arguments needed for the 'Barrel' distort method. Generally you supply
// 3 or 4 values only...
// A   B   C   [ D   [ X , Y ] ]
// The optional X,Y arguments provide an optional 'center' for the radial distortion,
// otherwise it defaults to the exact center of the image given (regardless of its virtual offset).
// The coefficients are designed so that if all four A to D values, add up to '1.0', the minimal
// width/height of the image will not change. For this reason if D (which controls the overall
// scaling of the image) is not supplied it will be set so all four values do add up to '1.0'.

        $imagick = new \Imagick(realpath($this->distortImageControl->getImagePath()));

        $points = array(
            //0.2, 0.0, 0.0, 1.0
            0.4, 0.6, 0.0, 1.0
        );

        $imagick->setimagebackgroundcolor("#fad888");
        $imagick->setImageVirtualPixelMethod(\Imagick::VIRTUALPIXELMETHOD_EDGE);
        $imagick->distortImage(\Imagick::DISTORTION_BARREL, $points, true);
        header("Content-Type: image/jpeg");
        echo $imagick;

//  Rsrc = r / ( A*r3 + B*r2 + C*r + D )
// This equation does NOT produce the 'reverse' the 'Barrel' distortion.
// You can NOT use it to 'undo' the previous distortion.

        $imagick = new \Imagick(realpath($this->distortImageControl->getImagePath()));

        $points = array(
            //0.2, 0.0, 0.0, 1.0
            0.2, 0.1, 0.0, 1.0
        );

        $imagick->setimagebackgroundcolor("#fad888");
        $imagick->setImageVirtualPixelMethod(\Imagick::VIRTUALPIXELMETHOD_EDGE);
        $imagick->distortImage(\Imagick::DISTORTION_BARRELINVERSE, $points, true);
        header("Content-Type: image/jpeg");
        echo $imagick;

//The control points move points in the image in a taffy like motion
$imagick = new \Imagick(realpath($this->distortImageControl->getImagePath()));
$points = array(
    //Setup some control points that don't move
    5 * $imagick->getImageWidth() / 100, 5 * $imagick->getImageHeight() / 100,
    5 * $imagick->getImageWidth() / 100, 5 * $imagick->getImageHeight() / 100,
    5 * $imagick->getImageWidth() / 100, 95 * $imagick->getImageHeight() / 100,
    5 * $imagick->getImageWidth() / 100, 95 * $imagick->getImageHeight() / 100,
    95 * $imagick->getImageWidth() / 100, 95 * $imagick->getImageHeight() / 100,
    95 * $imagick->getImageWidth() / 100, 95 * $imagick->getImageHeight() / 100,
    5 * $imagick->getImageWidth() / 100, 5 * $imagick->getImageHeight() / 100,
    95 * $imagick->getImageWidth() / 100, 95 * $imagick->getImageHeight() / 100,
      //Move the centre of the image down and to the right
      50 * $imagick->getImageWidth() / 100, 50 * $imagick->getImageHeight() / 100,
      60 * $imagick->getImageWidth() / 100, 60 * $imagick->getImageHeight() / 100,
      //Move a point near the top-right of the image down and to the left and down
      90 * $imagick->getImageWidth(), 10 * $imagick->getImageHeight(),
      80 * $imagick->getImageWidth(), 15 * $imagick->getImageHeight(),  
);
$imagick->setimagebackgroundcolor("#fad888");
$imagick->setImageVirtualPixelMethod(\Imagick::VIRTUALPIXELMETHOD_EDGE);
$imagick->distortImage(\Imagick::DISTORTION_SHEPARDS, $points, true);
header("Content-Type: image/jpeg");
echo $imagick;