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1
50
51 package com.lowagie.text.pdf.codec.wmf;
52
53 import java.awt.Color  ;
54 import java.io.IOException ;
55 import java.io.InputStream ;
56
57 import com.lowagie.text.Utilities;
58
59 public class InputMeta {
60
61 InputStream in;
62 int length;
63
64 public InputMeta(InputStream in) {
65 this.in = in;
66 }
67
68 public int readWord() throws IOException {
69 length += 2;
70 int k1 = in.read();
71 if (k1 < 0)
72 return 0;
73 return (k1 + (in.read() << 8)) & 0xffff;
74 }
75
76 public int readShort() throws IOException {
77 int k = readWord();
78 if (k > 0x7fff)
79 k -= 0x10000;
80 return k;
81 }
82
83 public int readInt() throws IOException {
84 length += 4;
85 int k1 = in.read();
86 if (k1 < 0)
87 return 0;
88 int k2 = in.read() << 8;
89 int k3 = in.read() << 16;
90 return k1 + k2 + k3 + (in.read() << 24);
91 }
92
93 public int readByte() throws IOException {
94 ++length;
95 return in.read() & 0xff;
96 }
97
98 public void skip(int len) throws IOException {
99 length += len;
100 Utilities.skip(in, len);
101 }
102
103 public int getLength() {
104 return length;
105 }
106
107 public Color readColor() throws IOException {
108 int red = readByte();
109 int green = readByte();
110 int blue = readByte();
111 readByte();
112 return new Color (red, green, blue);
113 }
114 }
115 |
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