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1
51 package org.apache.fop.image;
52
53
54 import java.awt.image.ColorModel  ;
56 import java.awt.image.ImageConsumer ;
57 import java.awt.image.ImageProducer ;
58 import java.awt.image.PixelGrabber ;
59 import java.util.Hashtable ;
60
61
65 public class FopImageConsumer implements ImageConsumer {
66 protected int width = -1;
67 protected int height = -1;
68 protected Integer imageStatus = new Integer (-1);
69 protected int hints = 0;
70 protected Hashtable properties = null;
71 protected ColorModel cm = null;
72 protected ImageProducer ip = null;
73
74 public FopImageConsumer(ImageProducer iprod) {
75 this.ip = iprod;
76 }
77
78 public void imageComplete(int status) {
79
101 synchronized (this.imageStatus) {
102 if (imageStatus.intValue() != ImageConsumer.STATICIMAGEDONE
104 && imageStatus.intValue() != ImageConsumer.SINGLEFRAMEDONE)
105 this.imageStatus = new Integer (status);
106 }
107 }
108
109 public void setColorModel(ColorModel model) {
110 this.cm = model;
112 }
113
114 public void setDimensions(int width, int height) {
115 this.width = width;
117 this.height = height;
118 }
119
120 public void setHints(int hintflags) {
121 this.hints = hintflags;
123 }
124
125 public void setProperties(Hashtable props) {
126 this.properties = props;
128 }
129
130 public void setPixels(int x, int y, int w, int h, ColorModel model,
131 byte[] pixels, int off, int scansize) {}
132
133 public void setPixels(int x, int y, int w, int h, ColorModel model,
134 int[] pixels, int off, int scansize) {}
135
136 public boolean isImageReady() throws Exception {
137 synchronized (this.imageStatus) {
138 if (this.imageStatus.intValue() == ImageConsumer.IMAGEABORTED)
139 throw new Exception ("Image aborted");
140 if (this.imageStatus.intValue() == ImageConsumer.IMAGEERROR)
141 throw new Exception ("Image error");
142
143 if (imageStatus.intValue() == ImageConsumer.STATICIMAGEDONE
144 || imageStatus.intValue() == ImageConsumer.SINGLEFRAMEDONE)
145 return true;
146
147 return false;
148 }
149 }
150
151 public int getWidth() {
152 return this.width;
153 }
154
155 public int getHeight() {
156 return this.height;
157 }
158
159 public ColorModel getColorModel() {
160 return this.cm;
161 }
162
163 public int[] getImage() throws Exception {
164 int tmpMap[] = new int[this.width * this.height];
165 PixelGrabber pg = new PixelGrabber (this.ip, 0, 0, this.width,
166 this.height, tmpMap, 0,
167 this.width);
168 pg.setDimensions(this.width, this.height);
169 pg.setColorModel(this.cm);
170 pg.setHints(this.hints);
171 pg.setProperties(this.properties);
172 try {
173 pg.grabPixels();
174 } catch (InterruptedException intex) {
175 throw new Exception ("Image grabbing interrupted : "
176 + intex.getMessage());
177 }
178 return tmpMap;
179 }
180
181 }
182 |
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