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


1 /*
2  * $Id: SetTintCommand.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,
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46  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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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 SetTintCommand extends GenericCommand {
59
60     public SetTintCommand() {}
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     public void doCommand( FlashFile file, Context context, Script parent, int frameNum ) throws IVException {
76         Instance inst = getCommandInstance(file, context, parent, frameNum);
77
78         // process corresponding flash def first
79 processFlashDef(inst, file, context);
80
81         int percent = parseNumber( getParameter( context, "percent" ), 100, 100 );
82         int red = parseNumber( getParameter( context, "red" ), 0, 255 );
83         int green = parseNumber( getParameter( context, "green" ), 0, 255 );
84         int blue = parseNumber( getParameter( context, "blue" ), 0, 255 );
85         //int alpha = parseNumber( getParameter( context, "alpha" ), 255, 255 );
86
87         CXForm cx = inst.cxform = CXForm.newIdentity(true);
88
89         double perc = percent/100.0;
90         percent = (int) ((1.0-perc)*255.0);
91         cx.setRedMul(percent);
92         cx.setGreenMul(percent);
93         cx.setBlueMul(percent);
94         //cx.setAlphaMul(percent);
95
96         cx.setRedAdd( (int) (red*perc) );
97         cx.setGreenAdd( (int) (green*perc) );
98         cx.setBlueAdd( (int) (blue*perc) );
99         //cx.setAlphaAdd( (int) (alpha*perc) );
100 }
101
102 }
103
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