001: /*
002: * $Id: SetTintCommand.java,v 1.5 2002/06/12 23:54:14 skavish Exp $
003: *
004: * ===========================================================================
005: *
006: * The JGenerator Software License, Version 1.0
007: *
008: * Copyright (c) 2000 Dmitry Skavish (skavish@usa.net). All rights reserved.
009: *
010: * Redistribution and use in source and binary forms, with or without
011: * modification, are permitted provided that the following conditions are met:
012: *
013: * 1. Redistributions of source code must retain the above copyright
014: * notice, this list of conditions and the following disclaimer.
015: *
016: * 2. Redistributions in binary form must reproduce the above copyright
017: * notice, this list of conditions and the following disclaimer in
018: * the documentation and/or other materials provided with the
019: * distribution.
020: *
021: * 3. The end-user documentation included with the redistribution, if
022: * any, must include the following acknowlegement:
023: * "This product includes software developed by Dmitry Skavish
024: * (skavish@usa.net, http://www.flashgap.com/)."
025: * Alternately, this acknowlegement may appear in the software itself,
026: * if and wherever such third-party acknowlegements normally appear.
027: *
028: * 4. The name "The JGenerator" must not be used to endorse or promote
029: * products derived from this software without prior written permission.
030: * For written permission, please contact skavish@usa.net.
031: *
032: * 5. Products derived from this software may not be called "The JGenerator"
033: * nor may "The JGenerator" appear in their names without prior written
034: * permission of Dmitry Skavish.
035: *
036: * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
037: * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
038: * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
039: * DISCLAIMED. IN NO EVENT SHALL DMITRY SKAVISH OR THE OTHER
040: * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
041: * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
042: * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
043: * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
044: * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
045: * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
046: * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
047: * SUCH DAMAGE.
048: *
049: */
050:
051: package org.openlaszlo.iv.flash.commands;
052:
053: import org.openlaszlo.iv.flash.parser.*;
054: import org.openlaszlo.iv.flash.api.*;
055: import org.openlaszlo.iv.flash.util.*;
056: import org.openlaszlo.iv.flash.context.Context;
057:
058: public class SetTintCommand extends GenericCommand {
059:
060: public SetTintCommand() {
061: }
062:
063: private int parseNumber(String num, int def, int max) {
064: if (num == null)
065: return def;
066: try {
067: double d = Double.valueOf(num).doubleValue();
068: if (d < 0 || d > max) {
069: return def;
070: }
071: return (int) d;
072: } catch (NumberFormatException e) {
073: return def;
074: }
075: }
076:
077: public void doCommand(FlashFile file, Context context,
078: Script parent, int frameNum) throws IVException {
079: Instance inst = getCommandInstance(file, context, parent,
080: frameNum);
081:
082: // process corresponding flash def first
083: processFlashDef(inst, file, context);
084:
085: int percent = parseNumber(getParameter(context, "percent"),
086: 100, 100);
087: int red = parseNumber(getParameter(context, "red"), 0, 255);
088: int green = parseNumber(getParameter(context, "green"), 0, 255);
089: int blue = parseNumber(getParameter(context, "blue"), 0, 255);
090: //int alpha = parseNumber( getParameter( context, "alpha" ), 255, 255 );
091:
092: CXForm cx = inst.cxform = CXForm.newIdentity(true);
093:
094: double perc = percent / 100.0;
095: percent = (int) ((1.0 - perc) * 255.0);
096: cx.setRedMul(percent);
097: cx.setGreenMul(percent);
098: cx.setBlueMul(percent);
099: //cx.setAlphaMul(percent);
100:
101: cx.setRedAdd((int) (red * perc));
102: cx.setGreenAdd((int) (green * perc));
103: cx.setBlueAdd((int) (blue * perc));
104: //cx.setAlphaAdd( (int) (alpha*perc) );
105: }
106:
107: }
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