drawAlpha method

void drawAlpha({ required double x, required double y, required PaintMethod paintMethod, })

DrawAlpha() paints on the image's alpha channel in order to set effected pixels to transparent. The available paint methods are:

• PointMethod: Select the target pixel
• ReplaceMethod: Select any pixel that matches the target pixel.
• FloodfillMethod: Select the target pixel and matching neighbors.
• FillToBorderMethod: Select the target pixel and neighbors not matching border color.
• ResetMethod: Select all pixels.

• x : x ordinate
• y : y ordinate
• paintMethod paint method.

Implementation

void drawAlpha({
  required double x,
  required double y,
  required PaintMethod paintMethod,
}) =>
    _magickWandBindings.DrawAlpha(
      _wandPtr,
      x,
      y,
      paintMethod.index,
    );