public static Canvas pull() {
Canvas canvas = (Canvas) Global.window.document.getElementById("store");
if (canvas == null) {
canvas = (Canvas) Global.window.document.createElement("canvas");
Global.window.document.body.appendChild(canvas);
}
canvas.setAttribute("id", "store");
if (buffer == null) {
canvas.setAttribute("width", "100");
canvas.setAttribute("height", "100");
} else {
canvas.setAttribute("width", "" + lx);
canvas.setAttribute("height", "" + ly);
}
canvas.setAttribute("style", "display:none");
CanvasRenderingContext2D ctx = canvas.getContext("2d");
if (buffer == null) {
CanvasImageData imgData = ctx.createImageData(100, 100);
for (int i = 0; i < imgData.data.$length(); i += 4) {
imgData.data.$set(i, 255);
imgData.data.$set(i + 1, 0);
imgData.data.$set(i + 2, 0);
imgData.data.$set(i + 3, 100);
}
ctx.putImageData(imgData, 0, 0);
} else {
CanvasImageData imgData = ctx.createImageData(lx, ly);
JSObjectAdapter.$js("var view = new Uint8Array(this.buffer)");
for (int i = 0; i < imgData.data.$length(); i++)
JSObjectAdapter.$js("imgData.data[i] = view[i]");
ctx.putImageData(imgData, 0, 0);
}
return canvas;
// Canvas c = (Canvas)Global.window.document.getElementById("gameCanvas");
// ctx = c.getContext("2d");
// ctx.drawImage(canvas, 100, 100);
}
public static void push() {
Image img = (Image) Global.window.document.getElementById("image");
if (img == null) {
img = (Image) Global.window.document.createElement("img");
Global.window.document.body.appendChild(img);
}
Canvas canvas = (Canvas) Global.window.document.getElementById("store");
if (canvas == null) {
canvas = (Canvas) Global.window.document.createElement("canvas");
Global.window.document.body.appendChild(canvas);
}
canvas.setAttribute("id", "store");
canvas.setAttribute("height", "" + img.height);
canvas.setAttribute("width", "" + img.width);
canvas.setAttribute("style", "display:none");
CanvasRenderingContext2D ctx = canvas.getContext("2d");
ctx.drawImage(img, 0, 0);
Global.console.log("(" + canvas.width + "," + canvas.height + ")");
CanvasImageData imgData = ctx.getImageData(0, 0, canvas.width, canvas.height);
// We are going to use that JSObject Adapter to really make sure we obtain
// all the JS code
// Currently, it is working like intended
lx = img.width;
ly = img.height;
JSObjectAdapter.$js("this.buffer = new ArrayBuffer(imgData.data.length)");
JSObjectAdapter.$js("var view = new Uint8Array(this.buffer)");
for (int i = 0; i < imgData.data.$length(); i++) {
JSObjectAdapter.$js("view[i] = imgData.data[i]");
}
}