1+ package blender ;
2+
3+ import java .awt .BorderLayout ;
4+ import java .awt .Dimension ;
5+ import java .awt .Graphics ;
6+ import java .awt .Graphics2D ;
7+ import java .awt .GridLayout ;
8+ import java .awt .Image ;
9+ import java .awt .event .ActionEvent ;
10+ import java .awt .event .ActionListener ;
11+ import java .awt .image .BufferedImage ;
12+ import java .awt .image .MemoryImageSource ;
13+ import java .beans .PropertyChangeEvent ;
14+ import java .beans .PropertyChangeListener ;
15+ import java .io .File ;
16+ import java .io .IOException ;
17+
18+ import javax .imageio .ImageIO ;
19+ import javax .swing .ImageIcon ;
20+ import javax .swing .JButton ;
21+ import javax .swing .JFrame ;
22+ import javax .swing .JLabel ;
23+ import javax .swing .JPanel ;
24+
25+ import util .Timer ;
26+
27+ import blender .parallel .BlenderParallel ;
28+ import blender .sequential .BlenderSequential ;
29+ import blender .thread .pool .BlenderPool ;
30+ import blender .threads .BlenderThreads ;
31+
32+ public class GUI extends JFrame {
33+ private static final long serialVersionUID = 1L ;
34+
35+ /* Configuration */
36+ private Dimension displaySize = new Dimension (400 , 300 );
37+ private String imgFile1Path = "img/40c.jpg" ;
38+ private String imgFile2Path = "img/dreamliner.jpg" ;
39+ /* ************** */
40+
41+ private BufferedImage img1 ;
42+ private BufferedImage img2 ;
43+
44+ private Dimension imageSize ;
45+ private ImagePanel img1Panel ;
46+ private ImagePanel img2Panel ;
47+ ImagePanel resultImagePanel ;
48+ public ImageIcon icon ;
49+
50+ private int [] resultBuffer ;
51+ private MemoryImageSource resultImageSource ;
52+
53+ public GUI () {
54+ super ("Blender" );
55+
56+ initFrame ();
57+ setVisible (true );
58+ }
59+
60+ public void initFrame () {
61+
62+ try {
63+ setDefaultCloseOperation (EXIT_ON_CLOSE );
64+ setLayout (new BorderLayout ());
65+ add (getImagesPanel (), BorderLayout .CENTER );
66+ add (getInfoPanel (), BorderLayout .SOUTH );
67+
68+ pack ();
69+ } catch (IOException e ) {
70+ // TODO Auto-generated catch block
71+ e .printStackTrace ();
72+ }
73+
74+ }
75+
76+ private JPanel getImagesPanel () throws IOException {
77+ JPanel imgPanels = new JPanel ();
78+ img1Panel = new ImagePanel ();
79+ imgPanels .add (img1Panel );
80+ img2Panel = new ImagePanel ();
81+ imgPanels .add (img2Panel );
82+ resultImagePanel = new ImagePanel ();
83+ imgPanels .add (resultImagePanel );
84+
85+ initImagePanels ();
86+
87+ resultBuffer = new int [imageSize .height * imageSize .width ];
88+ resultImageSource = new MemoryImageSource (imageSize .width ,
89+ imageSize .height , resultBuffer , 0 , imageSize .width );
90+
91+ resultImageSource .setAnimated (true );
92+ resultImagePanel .setImage (resultImagePanel
93+ .createImage (resultImageSource ));
94+
95+ resetResultsPanel ();
96+
97+ return imgPanels ;
98+ }
99+
100+ private JPanel getInfoPanel () {
101+
102+ JPanel infoPanel = new JPanel ();
103+ infoPanel .setLayout (new GridLayout (5 , 1 ));
104+
105+ // Sequential
106+ Blender sequentialBlender = new BlenderSequential (img1 , img2 ,
107+ getFrame (), resultBuffer , resultImageSource );
108+ infoPanel .add (getPanelFor ("Sequential" , sequentialBlender ));
109+
110+ // Sequential
111+ Blender threadsBlender = new BlenderThreads (img1 , img2 , getFrame (),
112+ resultBuffer , resultImageSource );
113+ infoPanel .add (getPanelFor ("Threads" , threadsBlender ));
114+
115+ // Pool
116+ Blender poolBlender = new BlenderPool (img1 , img2 , getFrame (),
117+ resultBuffer , resultImageSource );
118+ infoPanel .add (getPanelFor ("Thread pool" , poolBlender ));
119+
120+ // Pool
121+ Blender forkJoinBlender = new BlenderPool (img1 , img2 , getFrame (),
122+ resultBuffer , resultImageSource );
123+ infoPanel .add (getPanelFor ("ForkJoin" , forkJoinBlender ));
124+
125+ Blender parallelBlender = new BlenderParallel (img1 , img2 , getFrame (),
126+ resultBuffer , resultImageSource );
127+ infoPanel .add (getPanelFor ("Parallel" , parallelBlender ));
128+
129+ return infoPanel ;
130+ }
131+
132+ private JPanel getPanelFor (String string , Blender blenderProcess ) {
133+ JPanel panel = new JPanel ();
134+
135+ JButton button = new JButton (string );
136+ button .setPreferredSize (new Dimension (200 , 25 ));
137+ panel .add (button );
138+
139+ JLabel runtimeLabel = new JLabel ();
140+ runtimeLabel .setPreferredSize (new Dimension (100 , 25 ));
141+ panel .add (runtimeLabel );
142+
143+ JLabel speedupLabel = new JLabel ();
144+ speedupLabel .setPreferredSize (new Dimension (100 , 25 ));
145+ panel .add (speedupLabel );
146+
147+ ActionListener listener = new ButtonListener (blenderProcess , runtimeLabel , speedupLabel );
148+ button .addActionListener (listener );
149+
150+ return panel ;
151+ }
152+
153+ public void resetResultsPanel () {
154+ for (int row = 0 ; row < imageSize .height ; row ++) {
155+ for (int col = 0 ; col < imageSize .width ; col ++) {
156+ resultBuffer [row * imageSize .width + col ] = java .awt .Color .WHITE
157+ .getRGB ();
158+ }
159+ }
160+ resultImageSource .newPixels ();
161+ }
162+
163+ public void initImagePanels () throws IOException {
164+ img1 = ImageIO .read (new File (imgFile1Path ));
165+ img2 = ImageIO .read (new File (imgFile2Path ));
166+
167+
168+ Graphics2D g2d = img1 .createGraphics ();
169+ g2d .drawImage (img1 , 0 , 0 , null );
170+ g2d .dispose ();
171+
172+ g2d = img2 .createGraphics ();
173+ g2d .drawImage (img2 , 0 , 0 , null );
174+ g2d .dispose ();
175+ imageSize = new Dimension (img1 .getWidth (), img1 .getHeight ());
176+
177+ img1Panel .setImage (img1 );
178+ img2Panel .setImage (img2 );
179+ }
180+
181+ public GUI getFrame () {
182+ return this ;
183+ }
184+
185+ protected long sequentialRuntime ;
186+ private final class ButtonListener implements ActionListener {
187+ private final Blender blenderProcess ;
188+ private final JLabel runtimeLabel ;
189+ private final JLabel speedupLabel ;
190+
191+ public ButtonListener (Blender blenderProcess , JLabel runtimeLabel , JLabel speedupLabel ) {
192+ this .runtimeLabel = runtimeLabel ;
193+
194+ this .blenderProcess = blenderProcess ;
195+ this .speedupLabel = speedupLabel ;
196+
197+ runtimeLabel .setText (Timer .getRuntime ()+"ms" );
198+ }
199+
200+ @ Override
201+ public void actionPerformed (ActionEvent arg0 ) {
202+ resetResultsPanel ();
203+ this .blenderProcess .addPropertyChangeListener (new PropertyChangeListener () {
204+ @ Override
205+ public void propertyChange (PropertyChangeEvent e ) {
206+ Long runtime = (Long ) e .getNewValue ();
207+ if (e .getSource () instanceof BlenderSequential )
208+ sequentialRuntime = (Long ) runtime ;
209+ runtimeLabel .setText (runtime +"ms" );
210+ if (sequentialRuntime > 0 ) {
211+ double speedup = sequentialRuntime *1.0 /runtime ;
212+ String speedupText = String .format ("%.2f" , speedup );
213+ speedupLabel .setText (speedupText +"x" );
214+ }
215+ }
216+ });
217+ Thread t = new Thread (this .blenderProcess );
218+ t .start ();
219+ }
220+ }
221+
222+ class ImagePanel extends JPanel {
223+
224+ private static final long serialVersionUID = -6160628506441192086L ;
225+ private Image img ;
226+
227+ public ImagePanel () {
228+ setPreferredSize (displaySize );
229+
230+ }
231+
232+ public void setImage (Image img ) {
233+ this .img = img ;
234+ repaint ();
235+ }
236+
237+ public void paintComponent (Graphics g ) {
238+ if (img != null ) {
239+ Dimension size = getSize ();
240+ g .drawImage (img , 0 , 0 , size .width , size .height , 0 , 0 ,
241+ img .getWidth (null ), img .getHeight (null ), this );
242+ }
243+ }
244+ }
245+
246+ public static void main (String [] args ) {
247+
248+ @ SuppressWarnings ("unused" )
249+ GUI window = new GUI ();
250+
251+ }
252+
253+ }
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