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1
51 package org.apache.fop.image;
52
53 import java.net.URL  ;
55 import java.awt.image.ImageProducer ;
56 import java.awt.image.ColorModel ;
57 import java.awt.image.IndexColorModel ;
58
59 import com.sun.jimi.core.*;
61
62 import org.apache.fop.datatypes.ColorSpace;
64 import org.apache.fop.pdf.PDFColor;
65 import org.apache.fop.image.analyser.ImageReader;
66
67
74 public class JimiImage extends AbstractFopImage {
75 public JimiImage(URL href) throws FopImageException {
76 super(href);
77 try {
78 Class c = Class.forName("com.sun.jimi.core.Jimi");
79 } catch (ClassNotFoundException e) {
80 throw new FopImageException("Jimi image library not available");
81 }
82 }
83
84 public JimiImage(URL href,
85 ImageReader imgReader) throws FopImageException {
86 super(href, imgReader);
87 try {
88 Class c = Class.forName("com.sun.jimi.core.Jimi");
89 } catch (ClassNotFoundException e) {
90 throw new FopImageException("Jimi image library not available");
91 }
92 }
93
94 protected void loadImage() throws FopImageException {
95 int[] tmpMap = null;
96 try {
97 ImageProducer ip = Jimi.getImageProducer(this.m_href.openStream(),
98 Jimi.SYNCHRONOUS
99 | Jimi.IN_MEMORY);
100 FopImageConsumer consumer = new FopImageConsumer(ip);
101 ip.startProduction(consumer);
102
103 while (!consumer.isImageReady()) {
104 Thread.sleep(500);
105 }
106 this.m_height = consumer.getHeight();
107 this.m_width = consumer.getWidth();
108
109 try {
110 tmpMap = consumer.getImage();
111 } catch (Exception ex) {
112 throw new FopImageException("Image grabbing interrupted : "
113 + ex.getMessage());
114 }
115
116 ColorModel cm = consumer.getColorModel();
117 this.m_bitsPerPixel = 8;
118 this.m_colorSpace = new ColorSpace(ColorSpace.DEVICE_RGB);
120 if (cm.hasAlpha()) {
121 int transparencyType =
122 cm.getTransparency(); if (transparencyType == java.awt.Transparency.OPAQUE) {
124 this.m_isTransparent = false;
125 } else if (transparencyType
126 == java.awt.Transparency.BITMASK) {
127 if (cm instanceof IndexColorModel ) {
128 this.m_isTransparent = false;
129 byte[] alphas =
130 new byte[((IndexColorModel )cm).getMapSize()];
131 byte[] reds =
132 new byte[((IndexColorModel )cm).getMapSize()];
133 byte[] greens =
134 new byte[((IndexColorModel )cm).getMapSize()];
135 byte[] blues =
136 new byte[((IndexColorModel )cm).getMapSize()];
137 ((IndexColorModel )cm).getAlphas(alphas);
138 ((IndexColorModel )cm).getReds(reds);
139 ((IndexColorModel )cm).getGreens(greens);
140 ((IndexColorModel )cm).getBlues(blues);
141 for (int i = 0;
142 i < ((IndexColorModel )cm).getMapSize(); i++) {
143 if ((alphas[i] & 0xFF) == 0) {
144 this.m_isTransparent = true;
145 this.m_transparentColor =
146 new PDFColor((int)(reds[i] & 0xFF),
147 (int)(greens[i] & 0xFF),
148 (int)(blues[i] & 0xFF));
149 break;
150 }
151 }
152 } else {
153
164 this.m_isTransparent = false;
166 }
167 } else {
168 this.m_isTransparent = false;
169 }
170 } else {
171 this.m_isTransparent = false;
172 }
173 } catch (Exception ex) {
174 throw new FopImageException("Error while loading image "
175 + this.m_href.toString() + " : "
176 + ex.getClass() + " - "
177 + ex.getMessage());
178 }
179
180
181 this.m_bitmapsSize = this.m_width * this.m_height * 3;
183 this.m_bitmaps = new byte[this.m_bitmapsSize];
184 for (int i = 0; i < this.m_height; i++) {
185 for (int j = 0; j < this.m_width; j++) {
186 int p = tmpMap[i * this.m_width + j];
187 int r = (p >> 16) & 0xFF;
188 int g = (p >> 8) & 0xFF;
189 int b = (p) & 0xFF;
190 this.m_bitmaps[3 * (i * this.m_width + j)] = (byte)(r & 0xFF);
191 this.m_bitmaps[3 * (i * this.m_width + j) + 1] = (byte)(g
192 & 0xFF);
193 this.m_bitmaps[3 * (i * this.m_width + j) + 2] = (byte)(b
194 & 0xFF);
195 }
196 }
197 }
198
199 }
200
201 |
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