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Java > Open Source Codes > org > openlaszlo > iv > flash > commands > SetCustomColorCommand


1 /*
2  * $Id: SetCustomColorCommand.java,v 1.5 2002/06/12 23:54:14 skavish Exp $
3  *
4  * ===========================================================================
5  *
6  * The JGenerator Software License, Version 1.0
7  *
8  * Copyright (c) 2000 Dmitry Skavish (skavish@usa.net). All rights reserved.
9  *
10  * Redistribution and use in source and binary forms, with or without
11  * modification, are permitted provided that the following conditions are met:
12  *
13  * 1. Redistributions of source code must retain the above copyright
14  * notice, this list of conditions and the following disclaimer.
15  *
16  * 2. Redistributions in binary form must reproduce the above copyright
17  * notice, this list of conditions and the following disclaimer in
18  * the documentation and/or other materials provided with the
19  * distribution.
20  *
21  * 3. The end-user documentation included with the redistribution, if
22  * any, must include the following acknowlegement:
23  * "This product includes software developed by Dmitry Skavish
24  * (skavish@usa.net, http://www.flashgap.com/)."
25  * Alternately, this acknowlegement may appear in the software itself,
26  * if and wherever such third-party acknowlegements normally appear.
27  *
28  * 4. The name "The JGenerator" must not be used to endorse or promote
29  * products derived from this software without prior written permission.
30  * For written permission, please contact skavish@usa.net.
31  *
32  * 5. Products derived from this software may not be called "The JGenerator"
33  * nor may "The JGenerator" appear in their names without prior written
34  * permission of Dmitry Skavish.
35  *
36  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
37  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
38  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
39  * DISCLAIMED. IN NO EVENT SHALL DMITRY SKAVISH OR THE OTHER
40  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
41  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
42  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
43  * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
44  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
45  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
46  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
47  * SUCH DAMAGE.
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49  */
50
51 package org.openlaszlo.iv.flash.commands;
52
53 import org.openlaszlo.iv.flash.parser.*;
54 import org.openlaszlo.iv.flash.api.*;
55 import org.openlaszlo.iv.flash.util.*;
56 import org.openlaszlo.iv.flash.context.Context;
57
58 public class SetCustomColorCommand extends GenericCommand {
59
60     public SetCustomColorCommand() {}
61
62     private int parseNumber( String JavaDoc num, int def, int max ) {
63         if( num == null ) return def;
64         try {
65             double d = Double.valueOf(num).doubleValue();
66             if( d < 0 || d > max ) {
67                 return def;
68             }
69             return (int) d;
70         } catch( NumberFormatException JavaDoc e ) {
71             return def;
72         }
73     }
74
75     private int parsePercent( String JavaDoc num ) {
76         int percent = parseNumber( num, 100, 100 );
77         return (percent*255)/100;
78     }
79
80     public void doCommand( FlashFile file, Context context, Script parent, int frameNum ) throws IVException {
81         Instance inst = getCommandInstance(file, context, parent, frameNum);
82
83         // process corresponding flash def first
84 processFlashDef(inst, file, context);
85
86         int percentred = parsePercent( getParameter( context, "percentred" ) );
87         int percentgreen = parsePercent( getParameter( context, "percentgreen" ) );
88         int percentblue = parsePercent( getParameter( context, "percentblue" ) );
89         int percentalpha = parsePercent( getParameter( context, "percentalpha" ) );
90         int offsetred = parseNumber( getParameter( context, "offsetred" ), 0, 255 );
91         int offsetgreen = parseNumber( getParameter( context, "offsetgreen" ), 0, 255 );
92         int offsetblue = parseNumber( getParameter( context, "offsetblue" ), 0, 255 );
93         int offsetalpha = parseNumber( getParameter( context, "offsetalpha" ), 0, 255 );
94
95         CXForm cx = inst.cxform = new CXForm(true);
96
97         cx.setRedMul( percentred );
98         cx.setGreenMul( percentgreen );
99         cx.setBlueMul( percentblue );
100         cx.setAlphaMul( percentalpha );
101
102         cx.setRedAdd( offsetred );
103         cx.setGreenAdd( offsetgreen );
104         cx.setBlueAdd( offsetblue );
105         cx.setAlphaAdd( offsetalpha );
106     }
107
108 }
109
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