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1
17
18
19
20 package org.apache.fop.fonts.truetype;
21
22 import java.io.IOException  ;
23 import java.io.InputStream ;
24 import java.util.Iterator ;
25 import java.util.List ;
26 import java.util.Map ;
27
28 import org.apache.fop.fonts.BFEntry;
29 import org.apache.fop.fonts.CIDFontType;
30 import org.apache.fop.fonts.CustomFont;
31 import org.apache.fop.fonts.FontLoader;
32 import org.apache.fop.fonts.FontResolver;
33 import org.apache.fop.fonts.MultiByteFont;
34
35
38 public class TTFFontLoader extends FontLoader {
39
40 private String fontFileURI;
41 private TTFFile ttf;
42 private MultiByteFont multiFont;
43 private CustomFont returnFont;
44 private FontResolver resolver;
45
46 public TTFFontLoader(String fontFileURI, InputStream in, FontResolver resolver)
47 throws IOException {
48 this.fontFileURI = fontFileURI;
49 this.resolver = resolver;
50
51 this.ttf = new TTFFile();
52 FontFileReader reader = new FontFileReader(in);
53 boolean supported = ttf.readFont(reader, null);
54 if (!supported) {
55 throw new IOException ("Could not load TrueType font: " + fontFileURI);
56 }
57 multiFont = new MultiByteFont();
58 multiFont.setResolver(this.resolver);
59 returnFont = multiFont;
60 read();
61 }
62
63 private void read() throws IOException {
64 returnFont.setFontName(ttf.getFamilyName());
65 returnFont.setCapHeight(ttf.getCapHeight());
67 returnFont.setXHeight(ttf.getXHeight());
68 returnFont.setAscender(ttf.getLowerCaseAscent());
69 returnFont.setDescender(ttf.getLowerCaseDescent());
70 returnFont.setFontBBox(ttf.getFontBBox());
71 returnFont.setFlags(ttf.getFlags());
73 returnFont.setStemV(Integer.parseInt(ttf.getStemV())); returnFont.setItalicAngle(Integer.parseInt(ttf.getItalicAngle()));
75 returnFont.setMissingWidth(0);
76 multiFont.setCIDType(CIDFontType.CIDTYPE2);
77 int[] wx = ttf.getWidths();
78 multiFont.setWidthArray(wx);
79 List entries = ttf.getCMaps();
80 BFEntry[] bfentries = new BFEntry[entries.size()];
81 int pos = 0;
82 Iterator iter = ttf.getCMaps().listIterator();
83 while (iter.hasNext()) {
84 TTFCmapEntry ce = (TTFCmapEntry)iter.next();
85 bfentries[pos] = new BFEntry(ce.getUnicodeStart(), ce.getUnicodeEnd(),
86 ce.getGlyphStartIndex());
87 pos++;
88 }
89 multiFont.setBFEntries(bfentries);
90 copyKerning(ttf, true);
91 multiFont.setEmbedFileName(this.fontFileURI);
92
93 }
94
95 private void copyKerning(TTFFile ttf, boolean isCid) {
96
97 Iterator iter;
99 if (isCid) {
100 iter = ttf.getKerning().keySet().iterator();
101 } else {
102 iter = ttf.getAnsiKerning().keySet().iterator();
103 }
104
105 while (iter.hasNext()) {
106 Integer kpx1 = (Integer )iter.next();
107
108 Map h2;
109 if (isCid) {
110 h2 = (Map )ttf.getKerning().get(kpx1);
111 } else {
112 h2 = (Map )ttf.getAnsiKerning().get(kpx1);
113 }
114
115 returnFont.putKerningEntry(kpx1, h2);
116 }
117 }
118
119
120
121 public CustomFont getFont() {
122 return this.returnFont;
123 }
124
125 }
126 |
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