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Initial refactor of raster operations to real transfer functions.

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This commit is contained in:
Michael Jumper
2012-02-27 12:23:38 -08:00
parent 9d3ce8c474
commit 02e1333e58
2 changed files with 146 additions and 83 deletions
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63
guacamole-common-js/src/main/resources/guacamole.js
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@@ -67,6 +67,36 @@ Guacamole.Client = function(tunnel) {
var displayWidth = 0;
var displayHeight = 0;
/**
* Map of all Guacamole binary raster operations to transfer functions.
* @private
*/
var transferFunctions = {
0x10: function (src, dst) { return 0x00; }, /* BLACK */
0x1F: function (src, dst) { return 0xFF; }, /* WHITE */
0x13: function (src, dst) { return src; }, /* SRC */
0x15: function (src, dst) { return dst; }, /* DEST */
0x1C: function (src, dst) { return ~src; }, /* NSRC */
0x1A: function (src, dst) { return ~dst; }, /* NDEST */
0x11: function (src, dst) { return src & dst; }, /* AND */
0x1E: function (src, dst) { return ~(src & dst); }, /* NAND */
0x17: function (src, dst) { return src | dst; }, /* OR */
0x18: function (src, dst) { return ~(src | dst); }, /* NOR */
0x16: function (src, dst) { return src ^ dst; }, /* XOR */
0x19: function (src, dst) { return ~(src ^ dst); }, /* XNOR */
0x14: function (src, dst) { return ~src & dst; }, /* AND inverted source */
0x1D: function (src, dst) { return ~src | dst; }, /* OR inverted source */
0x12: function (src, dst) { return src & ~dst; }, /* AND inverted destination */
0x1B: function (src, dst) { return src | ~dst; } /* OR inverted destination */
};
// Create display
var display = document.createElement("div");
display.style.position = "relative";
@@ -84,7 +114,7 @@ Guacamole.Client = function(tunnel) {
// Create cursor layer
var cursor = new Guacamole.Client.LayerContainer(0, 0);
cursor.getLayer().setCompositeOperation(Guacamole.Layer.SRC);
cursor.getLayer().setChannelMask(Guacamole.Layer.SRC);
// Position cursor layer
var cursor_element = cursor.getElement();
@@ -349,7 +379,7 @@ Guacamole.Client = function(tunnel) {
var y = parseInt(parameters[3]);
var data = parameters[4];
layer.setCompositeOperation(channelMask);
layer.setChannelMask(channelMask);
layer.draw(
x,
@@ -375,7 +405,7 @@ Guacamole.Client = function(tunnel) {
var dstX = parseInt(parameters[7]);
var dstY = parseInt(parameters[8]);
dstL.setCompositeOperation(channelMask);
dstL.setChannelMask(channelMask);
dstL.copyRect(
srcL,
@@ -389,6 +419,31 @@ Guacamole.Client = function(tunnel) {
},
"transfer": function(parameters) {
var srcL = getLayer(parseInt(parameters[0]));
var srcX = parseInt(parameters[1]);
var srcY = parseInt(parameters[2]);
var srcWidth = parseInt(parameters[3]);
var srcHeight = parseInt(parameters[4]);
var transferFunction = transferFunctions[parameters[5]];
var dstL = getLayer(parseInt(parameters[6]));
var dstX = parseInt(parameters[7]);
var dstY = parseInt(parameters[8]);
dstL.transfer(
srcL,
srcX,
srcY,
srcWidth,
srcHeight,
dstX,
dstY,
transferFunction
);
},
"rect": function(parameters) {
var channelMask = parseInt(parameters[0]);
@@ -402,7 +457,7 @@ Guacamole.Client = function(tunnel) {
var b = parseInt(parameters[8]);
var a = parseInt(parameters[9]);
layer.setCompositeOperation(channelMask);
layer.setChannelMask(channelMask);
layer.drawRect(
x, y, w, h,