/*
 *  Transforms.java
 *  Examples
 *
 *  Created by Stuart MacKay on Fri Jul 25 2003.
 *  Copyright (c) 2001-2004 Flagstone Software Ltd. All rights reserved.
 *
 *  This code is distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
 *  EXPRESS OR IMPLIED, AND Flagstone HEREBY DISCLAIMS ALL SUCH WARRANTIES, INCLUDING
 *  WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
 *  PURPOSE, AND NONINFRINGEMENT OF THIRD PARTY RIGHTS.
 */

package com.flagstone.transform.examples;

import com.flagstone.transform.*;
import java.util.*;

/*
 * The Transforms class illustrates the different coordinate and colour transforms
 * that can be applied to an object to change its appearance without changing the
 * original definition.
 *
 * To run this example, type the following on a command line:
 *
 *     java com.flagstone.transform.examples.Transforms [--resultDir path]
 *
 * where
 *
 *	   resultDir is the directory where the Flash file generated by the example is
 *	   written to.
 *
 */
public class Transforms extends Example
{
    public static void main(String[] args)
    {
        new Transforms(args);
    }

    public Transforms(String[] args)
    {
        super(args);
    
        createMovie();
    
        writeFile("Transforms.swf");
    }
    
    void createMovie()
    {
        int width = 3200;
        int height = 2400;
    
    	movie.setFrameRate(2.0f);
        movie.setFrameSize(new FSBounds(0, 0, 16000, 8000));
        movie.add(new FSSetBackgroundColor(FSColorTable.lightblue()));
    
        /*
         * Define the objects used to create the rectangle.
         */
        int identifier = movie.newIdentifier();
    
        FSBounds bounds = new FSBounds(-width/2, -height/2, width/2, height/2);

        ArrayList lineStyles = new ArrayList();
        ArrayList fillStyles = new ArrayList();
    
        lineStyles.add(new FSSolidLine(1, FSColorTable.black()));
        fillStyles.add(new FSSolidFill(FSColorTable.red()));
    
        ArrayList shapeRecords = new ArrayList();
    
        shapeRecords.add(new FSShapeStyle(1, 1, 0, -width/2, -height/2));
        shapeRecords.add(new FSLine(width, 0));
        shapeRecords.add(new FSLine(0, height));
        shapeRecords.add(new FSLine(-width, 0));
        shapeRecords.add(new FSLine(0, -height));
    
        FSDefineShape rectangle = new FSDefineShape(identifier, bounds, fillStyles, lineStyles, new FSShape(shapeRecords));
    
        movie.add(rectangle);
    
        // Define variables for the different transforms that will be applied to the shape.
        
        FSCoordTransform transform = null;
        FSColorTransform colourTransform = null;
    
        /*
         * Both the FSPlaceObject and FSPlaceObject2 can be used to add an object
         * to the display list and apply either a coordinate,  color transform or
         * both.
         *
         * The first example applies a simple translation transform to set the
         * location of the object on the Flash Player's screen. Both classes
         * provide constructors where the x and y coordinates are provided as 
         * arguments avoiding the need to explicitly create an FSCoordTransform
         * object.
         */
        transform = new FSCoordTransform(2000, 2000);
        
        movie.add(new FSPlaceObject(rectangle.getIdentifier(), 1, transform));
        movie.add(new FSShowFrame());
    
        /*
         * Scale the rectangle in both the x and y directions. The order of compositing the
         * transforms is important. If the scale transform was the first argument then the
         * coordinates would also be scaled.
         */
        transform = new FSCoordTransform(5600, 2000);
		transform.scale(0.6, 1.1);
		
        movie.add(new FSPlaceObject(rectangle.getIdentifier(), 2, transform));
        movie.add(new FSShowFrame());
    
        /*
         * Rotate the rectangle clockwise by the specified number of degrees.
         */
        transform = new FSCoordTransform(9200, 2000);
        transform.rotate(15.0);
    
        movie.add(new FSPlaceObject(rectangle.getIdentifier(), 3, transform));
        movie.add(new FSShowFrame());
    
        /*
         * Apply a shearing transform to both the x and y directions.
         */
        transform = new FSCoordTransform(13600, 2000);
        transform.shear(0.1, 0.2);
    
        movie.add(new FSPlaceObject(rectangle.getIdentifier(), 4, transform));
        movie.add(new FSShowFrame());
    
        /*
         * Change the colour of the rectangle. Here the terms are added to the
         * colour defined for the solid fill style of the rectangle. A value
         * for the alpha channel can also be specified - here it is omitted.
         */
        transform = new FSCoordTransform(2000, 6000);
    
        colourTransform = new FSColorTransform(-3100, 2560, 0);
    
        movie.add(new FSPlaceObject(rectangle.getIdentifier(), 5, transform, colourTransform));
        movie.add(new FSShowFrame());
    
        /*
         * Change the colour of the rectangle by changing the saturation of the colours
         * by specifiying a multiplier for each channel. The alpha channel is omitted
         * as the FSDefineShape class does not support transparent shapes.
         */
        transform = new FSCoordTransform(6000, 6000);
    
        colourTransform = new FSColorTransform(0.7f, 1.0f, 1.0f);
    
        movie.add(new FSPlaceObject(rectangle.getIdentifier(), 6, transform, colourTransform));
        movie.add(new FSShowFrame());
    
        /*
         * Both the add and mulriply transforms can be performed in a single step.
         */
        transform = new FSCoordTransform(10000, 6000);
    
        colourTransform = new FSColorTransform(0.9f, 1.0f, 1.0f, 0, 128, 128);
    
        movie.add(new FSPlaceObject(rectangle.getIdentifier(), 7, transform, colourTransform));
        movie.add(new FSShowFrame());
    }
}