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[broadway] Make the surface object a plain js object, not the context

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This commit is contained in:
Alexander Larsson 2011-04-06 09:46:49 +02:00
parent 9f848aaf30
commit 7c20d59411
1 changed files with 20 additions and 17 deletions
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37
gdk/broadway/broadway.js
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@ -94,21 +94,26 @@ var inputSocket = null;
function createSurface(id, x, y, width, height, isTemp)
{
var surface = { id: id, x: x, y:y, width: width, height: height, isTemp: isTemp };
surface.drawQueue = [];
surface.transientParent = 0;
var canvas = document.createElement("canvas");
canvas.width = width;
canvas.height = height;
canvas.surfaceId = id;
canvas.surface = surface;
canvas.style["position"] = "absolute";
canvas.style["left"] = x + "px";
canvas.style["top"] = y + "px";
canvas.style["display"] = "none";
document.body.appendChild(canvas);
surface.canvas = canvas;
var context = canvas.getContext("2d");
context.globalCompositeOperation = "source-over";
document.body.appendChild(canvas);
context.drawQueue = [];
context.isTemp = isTemp;
context.transientParent = 0;
surfaces[id] = context;
surface.context = context;
surfaces[id] = surface;
}
var GDK_CROSSING_NORMAL = 0;
@ -152,19 +157,17 @@ function flushSurface(surface)
{
var commands = surface.drawQueue;
surface.queue = [];
var context = surface.context;
var i = 0;
for (i = 0; i < commands.length; i++) {
var cmd = commands[i];
var context = surfaces[cmd.id];
switch (cmd.op) {
/* put image data surface */
case 'i':
case 'i': // put image data surface
context.globalCompositeOperation = "source-over";
context.drawImage(cmd.img, cmd.x, cmd.y);
break;
/* copy rects */
case 'b':
case 'b': // copy rects
context.save();
context.beginPath();
@ -199,7 +202,7 @@ function flushSurface(surface)
context.restore();
break;
default:
default:
alert("Unknown drawing op " + cmd.op);
}
}
@ -293,8 +296,8 @@ function handleCommands(cmdObj)
surface.canvas.width = w;
surface.canvas.height = h;
surface.globalCompositeOperation = "copy";
surface.drawImage(tmpCanvas, 0, 0, tmpCanvas.width, tmpCanvas.height);
surface.context.globalCompositeOperation = "copy";
surface.context.drawImage(tmpCanvas, 0, 0, tmpCanvas.width, tmpCanvas.height);
break;
@ -411,9 +414,9 @@ function handleLoad(event)
}
function getSurfaceId(ev) {
var id = ev.target.surfaceId;
if (id != undefined)
return id;
var surface = ev.target.surface;
if (surface != undefined)
return surface.id;
return 0;
}