From 894f3cdb18ed2d60b724793a8db4ac6eda0a380e Mon Sep 17 00:00:00 2001
From: Michael Jumper <zhangmaike@users.sourceforge.net>
Date: Mon, 12 Mar 2012 17:27:42 -0700
Subject: [PATCH] Implement start, line, and curve instructions.

---
 src/main/resources/guacamole.js |   56 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 56 insertions(+)

diff --git a/src/main/resources/guacamole.js b/src/main/resources/guacamole.js
index 385e3dd..b7328ba 100644
--- a/src/main/resources/guacamole.js
+++ b/src/main/resources/guacamole.js
@@ -68,6 +68,24 @@ Guacamole.Client = function(tunnel) {
     var displayWidth = 0;
     var displayHeight = 0;
 
+    /**
+     * Translation from Guacamole protocol line caps to Layer line caps.
+     */
+    var lineCap = {
+        0: "butt",
+        1: "round",
+        2: "square"
+    };
+
+    /**
+     * Translation from Guacamole protocol line caps to Layer line caps.
+     */
+    var lineJoin = {
+        0: "bevel",
+        1: "miter",
+        2: "round"
+    };
+
     // Create display
     var display = document.createElement("div");
     display.style.position = "relative";
@@ -299,6 +317,24 @@ Guacamole.Client = function(tunnel) {
 
         },
 
+        "cstroke": function(parameters) {
+
+            var channelMask = parseInt(parameters[0]);
+            var layer = getLayer(parseInt(parameters[1]));
+            var cap = lineCap[parseInt(parameters[2])];
+            var join = lineJoin[parseInt(parameters[3])];
+            var thickness = parseInt(parameters[4]);
+            var r = parseInt(parameters[5]);
+            var g = parseInt(parameters[6]);
+            var b = parseInt(parameters[7]);
+            var a = parseInt(parameters[8]);
+
+            layer.setChannelMask(channelMask);
+
+            layer.strokeColor(cap, join, thickness, r, g, b, a);
+
+        },
+
         "cursor": function(parameters) {
 
             cursorHotspotX = parseInt(parameters[0]);
@@ -359,6 +395,16 @@ Guacamole.Client = function(tunnel) {
             guac_client.disconnect();
         },
 
+        "line": function(parameters) {
+
+            var layer = getLayer(parseInt(parameters[0]));
+            var x = parseInt(parameters[1]);
+            var y = parseInt(parameters[2]);
+
+            layer.lineTo(x, y);
+
+        },
+
         "move": function(parameters) {
             
             var layer_index = parseInt(parameters[0]);
@@ -456,6 +502,16 @@ Guacamole.Client = function(tunnel) {
             }
 
         },
+        
+        "start": function(parameters) {
+
+            var layer = getLayer(parseInt(parameters[0]));
+            var x = parseInt(parameters[1]);
+            var y = parseInt(parameters[2]);
+
+            layer.moveTo(x, y);
+
+        },
 
         "sync": function(parameters) {
 
-- 
1.7.10.4