package com.flagstone.cookbook; /* * ChangeColour.java * Cookbook * * Copyright (c) 2001-2010 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. */ import java.io.File; import java.util.ArrayList; import java.util.List; import com.flagstone.transform.Background; import com.flagstone.transform.Movie; import com.flagstone.transform.MovieHeader; import com.flagstone.transform.Place2; import com.flagstone.transform.PlaceType; import com.flagstone.transform.ShowFrame; import com.flagstone.transform.datatype.Bounds; import com.flagstone.transform.datatype.Color; import com.flagstone.transform.datatype.ColorTransform; import com.flagstone.transform.datatype.WebPalette; import com.flagstone.transform.fillstyle.FillStyle; import com.flagstone.transform.fillstyle.SolidFill; import com.flagstone.transform.linestyle.LineStyle; import com.flagstone.transform.linestyle.LineStyle1; import com.flagstone.transform.shape.DefineShape; import com.flagstone.transform.shape.Line; import com.flagstone.transform.shape.Shape; import com.flagstone.transform.shape.ShapeRecord; import com.flagstone.transform.shape.ShapeStyle; /* * This example shows how to change the colour of a shape: * * To run this example, type the following on a command line: * * java -cp ... com.flagstone.cookbook.ChangeColour file-out * * where: * * file-out is the path where the file will be written. If no output file * is specified then a file named after the example will be written to the * current directory. */ public class ChangeColour { public static void main(String[] args) { try { String out = args.length == 0 ? "ChangeColour.swf" : args[0]; ChangeColour example = new ChangeColour(); Movie movie = new Movie(); example.createMovie(movie); movie.encodeToFile(new File(out)); } catch (Exception e) { e.printStackTrace(); } } void createMovie(Movie movie) { int uid = 1; int xLower = 0; int yLower = 0; int xUpper = 8000; int yUpper = 8000; DefineShape rectangle = defineRectangle(uid++, WebPalette.RED.color()); float framesPerSecond = 1.0f; MovieHeader header = new MovieHeader(); header.setFrameRate(framesPerSecond); header.setFrameSize(new Bounds(xLower, yLower, xUpper, yUpper)); movie.add(header); movie.add(new Background(WebPalette.LIGHT_BLUE.color())); movie.add(rectangle); movie.add(Place2.show(rectangle.getIdentifier(), 1, 4000, 4000)); movie.add(ShowFrame.getInstance()); /* * Change the colour of the rectangle. Here the terms are added to the * colour defined for the solid fill style of the rectangle. */ movie.add(new Place2().setType(PlaceType.MODIFY).setLayer(1) .setColorTransform(new ColorTransform(-255, 255, 0, 0))); movie.add(ShowFrame.getInstance()); /* * Change the colour of the rectangle by changing the saturation of the * colours by specifying a multiplier for each channel. The alpha * channel is omitted so the transparency is not changed. */ movie.add(new Place2().setType(PlaceType.MODIFY).setLayer(1) .setColorTransform(new ColorTransform(0.7f, 1.0f, 1.0f, 1.0f))); movie.add(ShowFrame.getInstance()); /* * Both the add and multiply transforms can be performed in a single * step. */ movie.add(new Place2().setType(PlaceType.MODIFY).setLayer(1) .setColorTransform(new ColorTransform(0, 128, 128, 0, 0.9f, 1.0f, 1.0f, 1.0f))); movie.add(ShowFrame.getInstance()); } private DefineShape defineRectangle(int identifier, Color fillColor) { final int width = 4000; final int height = 4000; final int lineWidth = 20; final Color lineColor = WebPalette.BLACK.color(); /* * Create the bounding box for the shape taking into account the * thickness of the border. */ final Bounds bounds = new Bounds( -(width + lineWidth) / 2, -(height + lineWidth) / 2, (width + lineWidth) / 2, (height + lineWidth) / 2); List<LineStyle> lineStyles = new ArrayList<LineStyle>(); List<FillStyle> fillStyles = new ArrayList<FillStyle>(); lineStyles.add(new LineStyle1(lineWidth, lineColor)); fillStyles.add(new SolidFill(fillColor)); /* * Create the outline of the shape. */ List<ShapeRecord> shapeRecords = new ArrayList<ShapeRecord>(); shapeRecords.add(new ShapeStyle().setLineStyle(1).setFillStyle(1) .setMove(-width/2, -height/2)); shapeRecords.add(new Line(width, 0)); shapeRecords.add(new Line(0, height)); shapeRecords.add(new Line(-width, 0)); shapeRecords.add(new Line(0, -height)); DefineShape rectangle = new DefineShape(identifier, bounds, fillStyles, lineStyles, new Shape(shapeRecords)); return rectangle; } }