小编Trk*_*Rap的帖子

我怎样才能只画两张带有反转的图像我不知道如何反转。请帮忙。

    var canvas = document.createElement('canvas');
    canvas.width = 16 * scale;
    canvas.height = 32 * scale;
    //we assign the same classname the image has, for CSS purposes
    canvas.setAttribute('class', skinImage.getAttribute('class'));
    canvas.setAttribute('title', skinImage.getAttribute('title'));
    var context = canvas.getContext("2d"),
    s = scale;
    context.imageSmoothingEnabled=!1,
    context.mozImageSmoothingEnabled=!1,
    context.oImageSmoothingEnabled=!1,
    CanvasRenderingContext2D.webkitImageSmoothingEnabled=!1,
    context.clearRect(0,0,canvas.width,canvas.height);

    //back draw the head
    context.drawImage(skinImage, 24,  8,  8, 8,  4*s,  0*s,  8*s, 8*s);
    //back draw the body
    context.drawImage(skinImage, 32, 20, 8, 12, 4*s,  8*s,  8*s, 12*s);
    //back draw the right leg
    context.drawImage(skinImage, 52, 20, 4, 12, …