1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
|
/*
* Copyright 1999-2004 The Apache Software Foundation.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/* $Id$ */
package org.apache.fop.image;
// AWT
import java.awt.image.ColorModel;
import java.awt.image.IndexColorModel;
import java.awt.image.BufferedImage;
import java.awt.color.ColorSpace;
import java.awt.Color;
// JAI
import javax.media.jai.JAI;
import javax.media.jai.RenderedOp;
// Sun codec
import com.sun.media.jai.codec.FileCacheSeekableStream;
/**
* FopImage object using JAI.
* @author Eric SCHAEFFER
* @see AbstractFopImage
* @see FopImage
*/
public class JAIImage extends AbstractFopImage {
public JAIImage(FopImage.ImageInfo imgReader) {
super(imgReader);
}
protected void loadImage() {
try {
com.sun.media.jai.codec.FileCacheSeekableStream seekableInput =
new FileCacheSeekableStream(inputStream);
RenderedOp imageOp = JAI.create("stream", seekableInput);
inputStream.close();
inputStream = null;
this.height = imageOp.getHeight();
this.width = imageOp.getWidth();
ColorModel cm = imageOp.getColorModel();
this.bitsPerPixel = 8;
// this.bitsPerPixel = cm.getPixelSize();
this.colorSpace = ColorSpace.getInstance(ColorSpace.CS_LINEAR_RGB);
BufferedImage imageData = imageOp.getAsBufferedImage();
int[] tmpMap = imageData.getRGB(0, 0, this.width,
this.height, null, 0, this.width);
if (cm.hasAlpha()) {
// java.awt.Transparency. BITMASK or OPAQUE or TRANSLUCENT
int transparencyType = cm.getTransparency();
if (transparencyType == java.awt.Transparency.OPAQUE) {
this.isTransparent = false;
} else if (transparencyType == java.awt.Transparency.BITMASK) {
if (cm instanceof IndexColorModel) {
this.isTransparent = false;
byte[] alphas = new byte[
((IndexColorModel) cm).getMapSize()];
byte[] reds = new byte[
((IndexColorModel) cm).getMapSize()];
byte[] greens = new byte[
((IndexColorModel) cm).getMapSize()];
byte[] blues = new byte[
((IndexColorModel) cm).getMapSize()];
((IndexColorModel) cm).getAlphas(alphas);
((IndexColorModel) cm).getReds(reds);
((IndexColorModel) cm).getGreens(greens);
((IndexColorModel) cm).getBlues(blues);
for (int i = 0;
i < ((IndexColorModel) cm).getMapSize();
i++) {
if ((alphas[i] & 0xFF) == 0) {
this.isTransparent = true;
this.transparentColor = new Color(
(int)(reds[i] & 0xFF),
(int)(greens[i] & 0xFF),
(int)(blues[i] & 0xFF));
break;
}
}
} else {
// TRANSLUCENT
/*
* this.isTransparent = false;
* for (int i = 0; i < this.width * this.height; i++) {
* if (cm.getAlpha(tmpMap[i]) == 0) {
* this.isTransparent = true;
* this.transparentColor = new PDFColor(cm.getRed(tmpMap[i]),
* cm.getGreen(tmpMap[i]), cm.getBlue(tmpMap[i]));
* break;
* }
* }
* // or use special API...
*/
this.isTransparent = false;
}
} else {
this.isTransparent = false;
}
} else {
this.isTransparent = false;
}
// Should take care of the ColorSpace and bitsPerPixel
this.bitmapsSize = this.width * this.height * 3;
this.bitmaps = new byte[this.bitmapsSize];
for (int i = 0; i < this.height; i++) {
for (int j = 0; j < this.width; j++) {
int p = tmpMap[i * this.width + j];
int r = (p >> 16) & 0xFF;
int g = (p >> 8) & 0xFF;
int b = (p) & 0xFF;
this.bitmaps[3 * (i * this.width + j)] =
(byte)(r & 0xFF);
this.bitmaps[3 * (i * this.width + j) + 1] =
(byte)(g & 0xFF);
this.bitmaps[3 * (i * this.width + j) + 2] =
(byte)(b & 0xFF);
}
}
} catch (Exception ex) {
/*throw new FopImageException("Error while loading image "
+ "" + " : "
+ ex.getClass() + " - "
+ ex.getMessage());
*/}
}
}
|
