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1
4 package com.openedit.modules.image;
5
6 import java.awt.Graphics2D  ;
7 import java.awt.Rectangle ;
8 import java.awt.RenderingHints ;
9 import java.awt.image.BufferedImage ;
10 import java.io.File ;
11 import java.io.FileInputStream ;
12 import java.io.FileOutputStream ;
13 import java.io.InputStream ;
14 import java.io.OutputStream ;
15
16 import javax.imageio.ImageIO ;
17
18 import org.openedit.repository.InputStreamItem;
19
20 import com.openedit.page.Page;
21 import com.openedit.page.manage.PageManager;
22 import com.openedit.users.User;
23 import com.openedit.util.FileUtils;
24 import com.openedit.util.PathUtilities;
25
26 public class ImageCrop
27 {
28 protected Rectangle fieldRange;
29 protected PageManager fieldPageManager;
30
31 public Rectangle getRange()
32 {
33 return fieldRange;
34 }
35
36 public void setRange(Rectangle inRange)
37 {
38 fieldRange = inRange;
39 }
40 public void setRange( int inX, int inY, int inWidth, int inHeight)
41 {
42 setRange(new Rectangle (inX, inY, inWidth, inHeight));
43 }
44 public void crop( String inPath, User inUser, String inMessage ) throws Exception
45 {
46 Page input = getPageManager().getPage(inPath);
47 if ( input.exists() )
48 {
49 InputStream in = null;
50 OutputStream out = null;
51 File tmp = File.createTempFile("crop", "image");
52 try
53 {
54 in = input.getContentItem().getInputStream();
55 BufferedImage origImage = ImageIO.read(in);
56 BufferedImage done = crop(origImage);
57 String type = PathUtilities.extractPageType(inPath);
58 out = new FileOutputStream ( tmp );
59 ImageIO.write(done, type, out);
60 }
61 finally
62 {
63 FileUtils.safeClose(in);
64 FileUtils.safeClose(out);
65 }
66 InputStreamItem item = new InputStreamItem();
67 item.setAuthor(inUser.getUserName());
68 item.setMessage(inMessage);
69 item.setPath(inPath);
70 item.setInputStream(new FileInputStream (tmp));
71 item.setMakeVersion(true);
72 input.setContentItem(item);
73 getPageManager().putPage(input);
74 tmp.delete();
75 }
76 }
77 public BufferedImage crop(BufferedImage inImage)
78 {
79
81 int x = Math.max(0, (int)getRange().getX());
82 int y = Math.max(0, (int)getRange().getY());
83
84 int w = Math.min((int)getRange().getWidth(), inImage.getWidth() - x );
85 int h = Math.min((int)getRange().getHeight(), inImage.getHeight() - y);
86
87
88 x = Math.min(inImage.getWidth(), x);
89 y = Math.min(inImage.getHeight(), y );
90
91 BufferedImage crop = inImage.getSubimage(x,y,w, h);
92 return crop;
93 }
94
95 public PageManager getPageManager()
96 {
97 return fieldPageManager;
98 }
99
100 public void setPageManager(PageManager inPageManager)
101 {
102 fieldPageManager = inPageManager;
103 }
104
105 public void setRange(String inX, String inY, String inWidth, String inHeight)
106 {
107 setRange(Integer.parseInt(inX),Integer.parseInt(inY),Integer.parseInt(inWidth),Integer.parseInt(inHeight) );
108 }
109
110 public void resize(String inEditPath, User inUser, String inMessage) throws Exception
111 {
112 Page input = getPageManager().getPage(inEditPath);
113 if ( input.exists() )
114 {
115 InputStream in = null;
116 OutputStream out = null;
117 File tmp = File.createTempFile("resize", "image");
118 try
119 {
120 in = input.getContentItem().getInputStream();
121 BufferedImage origImage = ImageIO.read(in);
122
123 BufferedImage scaledImage = new BufferedImage ( getRange().width,
124 getRange().height, BufferedImage.TYPE_INT_RGB );
125 Graphics2D scaledGraphics = scaledImage.createGraphics();
126 scaledGraphics.setRenderingHint( RenderingHints.KEY_INTERPOLATION,
127 RenderingHints.VALUE_INTERPOLATION_BICUBIC);
128 scaledGraphics.drawImage( origImage, 0, 0, getRange().width,
129 getRange().height, null );
130
131 String type = PathUtilities.extractPageType(inEditPath);
132 out = new FileOutputStream ( tmp );
133 ImageIO.write(scaledImage, type, out);
134 }
135 finally
136 {
137 FileUtils.safeClose(in);
138 FileUtils.safeClose(out);
139 }
140 InputStreamItem item = new InputStreamItem();
141 item.setAuthor(inUser.getUserName());
142 item.setMessage(inMessage);
143 item.setPath(inEditPath);
144 item.setInputStream(new FileInputStream (tmp));
145 item.setMakeVersion(true);
146 input.setContentItem(item);
147 getPageManager().putPage(input);
148 tmp.delete();
149 }
150
151 }
152 }
153 |
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