module ChunkyPNG::Canvas::Operations

def replace!(other, offset_x = 0, offset_y = 0)

Other tags:
    See: #replace -
    See: #compose! -

Raises:
  • (ChunkyPNG::OutOfBounds) - when the other canvas doesn't fit on this one,

Returns:
  • (ChunkyPNG::Canvas) - Returns itself, but with the other canvas placed onto it.

Parameters:
  • offset_y (Integer) -- The y-offset to apply the new forgeround on.
  • offset_x (Integer) -- The x-offset to apply the new forgeround on.
  • other (ChunkyPNG::Canvas) -- The foreground canvas to get the pixels from. 
def replace!(other, offset_x = 0, offset_y = 0)
  check_size_constraints!(other, offset_x, offset_y)
  for y in 0...other.height do
    pixels[(y + offset_y) * width + offset_x, other.width] = other.pixels[y * other.width, other.width]
  end
  self
end