displaylist.java

来自「利用opensource的开源jar实现生成flash文件」· Java 代码 · 共 205 行

/*
 *  DisplayList.java
 *  Examples
 *
 *  Created by Stuart MacKay on Tue May 13 2003.
 *  Copyright (c) 2001-2006 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 DisplayList class illustrates how to use the classes that update and change
 * the Flash Player's display list.
 *
 * To run this example, type the following on a command line:
 *
 *     java DisplayList [--resultDir path]
 *
 * where
 *
 *       resultDir is the directory where the Flash file generated by the example is
 *       written to.
 *
 */
public class DisplayList extends Example
{
    public static void main(String[] args)
    {
        new DisplayList(args);
    }

    public DisplayList(String[] args)
    {
        super(args);
    
        createMovie();
    
        writeFile("DisplayList.swf");
    }
    
    public void createMovie()
    {
        int width = 3200;
        int height = 2400;
    
        movie.setFrameRate(2.0f);
        movie.setFrameSize(new FSBounds(0, 0, 17600, 3600));
        movie.add(new FSSetBackgroundColor(FSColorTable.lightblue()));
    
        /*
         * Define the basic components of the rectangle shapes.
         */
        int identifier = 0;
    
        FSBounds bounds = new FSBounds(-width/2, -height/2, width/2, height/2);
    
        ArrayList lineStyles = new ArrayList();
        ArrayList fillStyles = new ArrayList();
    
        /*
         * Define the outline of the rectangle.
         */
        ArrayList rectangle = new ArrayList();
    
        rectangle.add(new FSShapeStyle(1, 1, 0, -width/2, -height/2));
        rectangle.add(new FSLine(width, 0));
        rectangle.add(new FSLine(0, height));
        rectangle.add(new FSLine(-width, 0));
        rectangle.add(new FSLine(0, -height));

        /*
         * Define a red rectangle.
         */
        identifier = movie.newIdentifier();
    
        lineStyles.add(new FSSolidLine(20, FSColorTable.black()));
        fillStyles.add(new FSSolidFill(FSColorTable.red()));
    
        FSDefineShape redRectangle = new FSDefineShape(identifier, bounds, 
            fillStyles, lineStyles, new FSShape(rectangle));
    
        movie.add(redRectangle);
    
        /*
         * Define a yellow rectangle.
         */
        identifier = movie.newIdentifier();

        bounds = new FSBounds(-width/2, -height/2, width/2, height/2);

        lineStyles = new ArrayList();
        fillStyles = new ArrayList();

        lineStyles.add(new FSSolidLine(20, FSColorTable.black()));
        fillStyles.add(new FSSolidFill(FSColorTable.yellow()));
    
        FSDefineShape yellowRectangle = new FSDefineShape(identifier, bounds, 
            fillStyles, lineStyles, new FSShape(rectangle));
    
        movie.add(yellowRectangle);
        
        /*
         * The FSPlaceObject class is used to add a shape on the display list.
         *
         * Objects are referenced by their unique identifier - specified when the
         * object is created. Objects are placed on the display list on a given
         * layer. Layers define the order in which shapes are displayed. Shapes
         * with a higher layer number are displayed in front of those with a lower
         * layer number. The location and appearance of the shape is controlled
         * by an FSCoordTransform and optional FSColorTranform objects. These
         * transforms can be used to display a shape without changing the original
         * definition - allowing it to be reused.
         *
         * The FSPlaceObject class provides a simplified constructor which allows
         * the coordinates where an object will be placed to be specified rather
         * than explicitly creating an FSCoordTranform object.
         *
         * FSShowFrame is used to render the display list on the screen. The scope
         * of a frame is delimited by successive FSShowFrame objects.
         */
    
        /*
         * Place the red rectangle on layer 1, at coordinates (100,80).
         */
        movie.add(new FSPlaceObject(redRectangle.getIdentifier(), 1, 2000, 1600));
        movie.add(new FSShowFrame());
    
        /*
         * Place the yellow rectangle in front of the red rectangle.
         */
        movie.add(new FSPlaceObject(yellowRectangle.getIdentifier(), 2, 2400, 2000));
        movie.add(new FSShowFrame());
    
        /*
         * To Change the location of an object it first must be removed then placed
         * at its new location. The FSPlaceObject2 class simplifies this into single
         * step - see later.
         */
        movie.add(new FSRemoveObject(redRectangle.getIdentifier(), 1));
        movie.add(new FSPlaceObject(redRectangle.getIdentifier(), 1, 2800, 1600));
        movie.add(new FSShowFrame());
    
        /*
         * The FSPlaceObject2 class provides more control over how the display
         * list is updated. It should be used in preference to the FSPlaceObject
         * class. For placing new objects on the display list the constructors
         * are identical.
         */
        movie.add(new FSPlaceObject2(redRectangle.getIdentifier(), 3, 6400, 1600));
        movie.add(new FSShowFrame());
    
        /*
         * Place the yellow rectangle in front of the red rectangle.
         */
        movie.add(new FSPlaceObject2(yellowRectangle.getIdentifier(), 4, 6800, 2000));
        movie.add(new FSShowFrame());
    
        /*
         * To Change the location of an object only the layer number is required to
         * reference the object.
         */
        movie.add(new FSPlaceObject2(3, 7200, 1600));
        movie.add(new FSShowFrame());
    
        /*
         * The FSPlaceObject2 class can also be used to replace an object on a layer
         * with another. Only the identifier of the new object and the layer number
         * of the object being replaced is required. The new object will be placed
         * at the same location as the one it replaces.
         */
        movie.add(new FSPlaceObject2(redRectangle.getIdentifier(), 5, 11200, 1600));
        movie.add(new FSShowFrame());
    
        movie.add(new FSPlaceObject2(yellowRectangle.getIdentifier(), 5));
        movie.add(new FSShowFrame());
    
        /*
         * The FSPlaceObject2 class can define clipping region where the outline of a
         * shape is used to clip objects placed in front of it up to and including a
         * given layer number.
         *
         * Use the outline of th red rectangle to clip all objects placed
         * in front, up to layer 8.
         */
        movie.add(new FSPlaceObject2(redRectangle.getIdentifier(), 6, 8, 14800, 1600));
        movie.add(new FSPlaceObject2(redRectangle.getIdentifier(), 7, 15200, 2000));
        movie.add(new FSPlaceObject2(yellowRectangle.getIdentifier(), 8, 15600, 2400));
        movie.add(new FSShowFrame());
    
        /*
         * the FSRemoveObject2 class is slightly simpler to use than FSRemoveObject
         * as only the layer number is required to remove an object.
         */
        movie.add(new FSRemoveObject2(8));
        movie.add(new FSShowFrame());
    }
}