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0
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1 /*
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2 * Copyright (c) 2001 Yuki Sawada
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3 * All rights reserved.
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4 *
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5 * Redistribution and use in source and binary forms, with or without
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6 * modification, are permitted provided that the following conditions
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7 * are met:
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8 * 1. Redistributions of source code must retain the above copyright
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9 * notice, this list of conditions and the following disclaimer.
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10 * 2. Redistributions in binary form must reproduce the above copyright
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11 * notice, this list of conditions and the following disclaimer in the
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12 * documentation and/or other materials provided with the distribution.
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13 * 3. The name of the author may not be used to endorse or promote products
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14 * derived from this software without specific prior written permission.
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15 *
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16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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21 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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26 *
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27 * This code uses some parts of AVG32 for Macintosh by Kenjo.
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28 */
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29
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30 #include <stdio.h>
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31 #include <stdlib.h>
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32 #include <stdexcept>
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33 #include <string>
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34
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35 using namespace std;
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36
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52
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37 #include "codeconv.h"
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0
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38 #include "font.h"
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39 #include "font_peer.h"
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40
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41 namespace XKFont {
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42
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43 #define FN_DAT_SIZE 2544768
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44
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45 PeerFn::PeerFn(const char *name, int index, int hsize, int vsize) : buffer(0)
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46 {
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52
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47 FILE *fp = 0;
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0
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48
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52
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49 buffer = new unsigned char[FN_DAT_SIZE];
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50 fp = fopen(name, "rb");
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51 if (!fp) {
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52 delete[] buffer;
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53 buffer = 0;
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54 string err = string("XKFont::PeerFn::PeerFn : Cannot open font file ")+name;
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55 throw std::invalid_argument(err);
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56 }
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57 fread(buffer, 1, FN_DAT_SIZE, fp);
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58 fclose(fp);
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59
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60 return;
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0
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61 }
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62
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63
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64 PeerFn::~PeerFn() {
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65 delete[] buffer;
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66 }
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67
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68 bool
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69 PeerFn::GlyphCreate(unsigned int code, Glyph* glyph)
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70 {
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52
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71 unsigned char *p1, *p2;
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72 unsigned int h, l, offset;
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73 int x, y;
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0
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74
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52
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75 l = codeconv_euc_to_jis(code);
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76 l -= 0x2121;
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77 h = l >> 8;
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78 l &= 0xff;
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79 offset = (h * 0x5e + l) * 12 * 24;
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80 if (offset > FN_DAT_SIZE - 12 * 24)
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81 offset = 0;
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0
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82
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52
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83 glyph->bitmap_left = 0;
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84 glyph->bitmap_top = 21;
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85 glyph->bitmap.width = 24;
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86 glyph->bitmap.rows = 24;
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0
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87
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88 #if 0
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52
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89 glyph->metrics.ascender = private->vsize - 4;
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90 glyph->metrics.descender = -4;
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0
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91 #endif
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52
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92 glyph->advance.x = 24 + 1;
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93 glyph->advance.y = 24 + 1;
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0
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94
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52
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95 glyph->bitmap.buffer = new unsigned char[24*24];
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0
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96
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52
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97 p1 = glyph->bitmap.buffer;
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98 p2 = buffer + offset;
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99 for (y = 0; y < 24; y++) {
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100 for (x = 0; x < 12; x++) {
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101 unsigned char c = ~*p2++;
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102 unsigned char c1;
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103 c1 = (c) & 0x0f;
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104 *p1++ = (c1<<4) | c1;
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105 c1 = (c>>4)& 0x0f;
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106 *p1++ = (c1<<4) | c1;
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107 }
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108 }
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109 return true;
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0
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110 }
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111
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112 } /* end of namespace XKFont */
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