source: trunk/poppler/mypoppler/poppler/BuiltinFont.cc @ 461

Last change on this file since 461 was 2, checked in by Eugene Romanenko, 15 years ago

First import

File size: 1.3 KB
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1//========================================================================
2//
3// BuiltinFont.cc
4//
5// Copyright 2001-2003 Glyph & Cog, LLC
6//
7//========================================================================
8
9#include <config.h>
10
11#ifdef USE_GCC_PRAGMAS
12#pragma implementation
13#endif
14
15#include <stdlib.h>
16#include <string.h>
17#include "goo/gmem.h"
18#include "FontEncodingTables.h"
19#include "BuiltinFont.h"
20
21//------------------------------------------------------------------------
22
23BuiltinFontWidths::BuiltinFontWidths(BuiltinFontWidth *widths, int sizeA) {
24  int i, h;
25
26  size = sizeA;
27  tab = (BuiltinFontWidth **)gmallocn(size, sizeof(BuiltinFontWidth *));
28  for (i = 0; i < size; ++i) {
29    tab[i] = NULL;
30  }
31  for (i = 0; i < sizeA; ++i) {
32    h = hash(widths[i].name);
33    widths[i].next = tab[h];
34    tab[h] = &widths[i];
35  }
36}
37
38BuiltinFontWidths::~BuiltinFontWidths() {
39  gfree(tab);
40}
41
42GBool BuiltinFontWidths::getWidth(char *name, Gushort *width) {
43  int h;
44  BuiltinFontWidth *p;
45
46  h = hash(name);
47  for (p = tab[h]; p; p = p->next) {
48    if (!strcmp(p->name, name)) {
49      *width = p->width;
50      return gTrue;
51    }
52  }
53  return gFalse;
54}
55
56int BuiltinFontWidths::hash(char *name) {
57  char *p;
58  unsigned int h;
59
60  h = 0;
61  for (p = name; *p; ++p) {
62    h = 17 * h + (int)(*p & 0xff);
63  }
64  return (int)(h % size);
65}
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