01: /*
02: * Copyright 2005 Joe Walker
03: *
04: * Licensed under the Apache License, Version 2.0 (the "License");
05: * you may not use this file except in compliance with the License.
06: * You may obtain a copy of the License at
07: *
08: * http://www.apache.org/licenses/LICENSE-2.0
09: *
10: * Unless required by applicable law or agreed to in writing, software
11: * distributed under the License is distributed on an "AS IS" BASIS,
12: * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13: * See the License for the specific language governing permissions and
14: * limitations under the License.
15: */
16: package jsx3.vector;
17:
18: import org.directwebremoting.ScriptBuffer;
19: import org.directwebremoting.proxy.ScriptProxy;
20: import org.directwebremoting.proxy.io.Context;
21:
22: /**
23: * A more efficient way of painting many vector lines of the same color and thickness.
24: * @author Joe Walker [joe at getahead dot org]
25: * @author DRAPGEN - Dwr Reverse Ajax Proxy GENerator
26: */
27: public class LineGroup extends jsx3.vector.Shape {
28: /**
29: * All reverse ajax proxies need context to work from
30: * @param scriptProxy The place we are writing scripts to
31: * @param context The script that got us to where we are now
32: */
33: public LineGroup(Context context, String extension,
34: ScriptProxy scriptProxy) {
35: super (context, extension, scriptProxy);
36: }
37:
38: /**
39: * The instance initializer.
40: * @param left left position (in pixels) of the object relative to its parent container
41: * @param top top position (in pixels) of the object relative to its parent container
42: * @param width width (in pixels) of the object
43: * @param height height (in pixels) of the object
44: */
45: public LineGroup(int left, int top, int width, int height) {
46: super ((Context) null, (String) null, (ScriptProxy) null);
47: ScriptBuffer script = new ScriptBuffer();
48: script.appendCall("new LineGroup", left, top, width, height);
49: setInitScript(script);
50: }
51:
52: /**
53: * add a line to the group
54: * @param x1 the x-coordinate of the start point of the line
55: * @param y1 the y-coordinate of the start point of the line
56: * @param x2 the x-coordinate of the end point of the line
57: * @param y2 the y-coordinate of the end point of the line
58: */
59: public void addLine(int x1, int y1, int x2, int y2) {
60: ScriptBuffer script = new ScriptBuffer();
61: script.appendCall(getContextPath() + "addLine", x1, y1, x2, y2);
62: getScriptProxy().addScript(script);
63: }
64:
65: /**
66: * add a line to the group
67: * @param x1 the x-coordinate of the start point of the line
68: * @param y1 the y-coordinate of the start point of the line
69: * @param dx the horizontal change from the start to the end point of the line
70: * @param dy the vertical change from the start to the end point of the line
71: */
72: public void addRelativeLine(int x1, int y1, int dx, int dy) {
73: ScriptBuffer script = new ScriptBuffer();
74: script.appendCall(getContextPath() + "addRelativeLine", x1, y1,
75: dx, dy);
76: getScriptProxy().addScript(script);
77: }
78:
79: /**
80: * clear all lines out of the group
81: */
82: public void clearLines() {
83: ScriptBuffer script = new ScriptBuffer();
84: script.appendCall(getContextPath() + "clearLines");
85: getScriptProxy().addScript(script);
86: }
87:
88: }
|