function flipBufferVertically(buffer) {
  return makeBuffer(buffer.width, buffer.height, function(context) {
    context.scale(1, -1);
    context.drawImage(buffer, 0, -buffer.height);
  });
}
function flipBufferVertically(buffer) {
  return makeBuffer(buffer.width, buffer.height, function(context) {
    context.scale(1, -1);
    context.drawImage(buffer, 0, -buffer.height);
  });
}
function flipBufferVertically ( buffer ) { return makeBuffer ( buffer . width , buffer . height , function ( context ) { context . scale ( 1 , - 1 ) ; context . drawImage ( buffer , 0 , - buffer . height ) ; } ) ; }
Make a vertically-flipped copy of a buffer or image.
@param {external:canvas|external:image} buffer The original image
@return {external:canvas} The flipped buffer
Make a vertically - flipped copy of a buffer or image .